class KwargsDictDialogPage(BaseBox):
"""
Defines the :class:`~KwargsDictDialogPage` class for the kwargs dict
dialog.
This class provides the tab/page in the kwargs dict dialog where the items
of the associated kwargs dict can be viewed and modified by the user.
"""
@e13.docstring_substitute(optional=kwargs_doc.format(
'prism._gui.widgets.core.BaseBox'))
def __init__(self, kwargs_dict_dialog_obj, name, std_entries,
banned_entries, *args, **kwargs):
"""
Initialize an instance of the :class:`~KwargsDictDialogPage` class.
Parameters
----------
kwargs_dict_dialog_obj : :obj:`~KwargsDictDialog` object
Instance of the :class:`~KwargsDictDialog` class that initialized
this kwargs dict page.
name : str
The name of this kwargs dict page.
std_entries : list of str
A list of all standard entry types that this kwargs dict should
accept.
banned_entries : list of str
A list of all entry types that this kwargs dict should not accept.
Usually, these entry types are used by *PRISM* and therefore should
not be modified by the user.
%(optional)s
"""
# Save provided kwargs_dict_dialog_obj
self.entry_height = kwargs_dict_dialog_obj.entry_height
self.name = name
self.std_entries = sset(std_entries)
self.banned_entries = sset(banned_entries)
# Call super constructor
super().__init__(*args, **kwargs)
# Create the kwargs dict window
self.init()
# This function creates the kwargs dict page
def init(self):
"""
Sets up the kwargs dict page after it has been initialized.
This function is mainly responsibe for creating the layout of the page;
determining what entry types are available; and preparing for the user
to add entries.
"""
# Create page layout
page_layout = QW.QVBoxLayout(self)
# Create a grid for this layout
self.kwargs_grid = QW.QGridLayout()
self.kwargs_grid.setColumnStretch(1, 1)
self.kwargs_grid.setColumnStretch(2, 2)
page_layout.addLayout(self.kwargs_grid)
# Add a header
self.kwargs_grid.addWidget(QW_QLabel(""), 0, 0)
self.kwargs_grid.addWidget(QW_QLabel("Entry type"), 0, 1)
self.kwargs_grid.addWidget(QW_QLabel("Field value"), 0, 2)
# Make sure that '' is not in std_entries or banned_entries
self.std_entries.discard('')
self.banned_entries.discard('')
# Create list of available entry types
self.avail_entries = sset([attr[12:] for attr in dir(self)
if attr.startswith('create_type_')])
# Convert std_entries to solely contain valid available entry types
self.std_entries.intersection_update(self.avail_entries)
self.std_entries.difference_update(self.banned_entries)
# Add an 'add' button at the bottom of this layout
add_but = QW.QToolButton()
add_but.setFixedSize(self.entry_height, self.entry_height)
add_but.setToolTip("Add a new entry")
add_but.clicked.connect(self.add_editable_entry)
self.add_but = add_but
# If this theme has an 'add' icon, use it
if QG.QIcon.hasThemeIcon('add'): # pragma: no cover
add_but.setIcon(QG.QIcon.fromTheme('add'))
# Else, use a simple plus
else:
add_but.setText('+')
# Add button to layout
page_layout.addWidget(add_but)
page_layout.addStretch()
# Set a minimum width for the first grid column
self.kwargs_grid.setColumnMinimumWidth(0, self.entry_height)
# This function gets the dict value of a page
def get_box_value(self):
"""
Returns the current value of the kwargs dict page.
Returns
-------
page_dict : dict
A dict containing all valid entries that are currently on this
kwargs dict page. Any invalid entries (banned or empty ones) are
ignored.
"""
# Create an empty dict to hold the values in
page_dict = sdict()
# Loop over all items in grid and save them to page_dict
for row in range(1, self.kwargs_grid.rowCount()):
# Obtain item that should contain the entry_type in this row
entry_type_item = self.kwargs_grid.itemAtPosition(row, 1)
# If entry_type_item is None, this row contains no items
if entry_type_item is None:
continue
# Obtain the entry_type
entry_type = get_box_value(entry_type_item.widget())
# If the entry_type is empty or banned, skip this row
if not entry_type or entry_type in self.banned_entries:
continue
# Obtain the value of the corresponding field box
field_value = get_box_value(
self.kwargs_grid.itemAtPosition(row, 2).widget())
# Add this to the dict
page_dict[entry_type] = field_value
# Return page_dict
return(page_dict)
# This function sets the dict value of a page
def set_box_value(self, page_dict):
"""
Sets the current value of the kwargs dict page to `page_dict`.
Parameters
----------
page_dict : dict
A dict containing all entries that this kwargs dict page must have.
Current entries that are also in `page_dict` will be reused,
otherwise they are deleted.
"""
# Make empty dict containing all current valid entries
cur_entry_dict = sdict()
# Remove all entries from kwargs_grid
for row in range(1, self.kwargs_grid.rowCount()):
# Obtain item that should contain the entry_type in this row
entry_type_item = self.kwargs_grid.itemAtPosition(row, 1)
# If entry_type_item is None, this row contains no items
if entry_type_item is None:
continue
# Obtain the entry_type
entry_type = get_box_value(entry_type_item.widget())
# Delete this entry if not in page_dict or if it is not allowed
if(entry_type not in page_dict or not entry_type or
entry_type in self.banned_entries):
self.remove_editable_entry(entry_type_item.widget())
continue
# If this entry appears multiple times, delete its previous entry
if entry_type in cur_entry_dict:
for item in cur_entry_dict[entry_type]:
item.widget().close()
del item
cur_entry_dict.pop(entry_type)
# Add this entry to cur_entry_dict
cur_entry_dict[entry_type] =\
[self.kwargs_grid.takeAt(3) for _ in range(3)]
# Loop over all items in page_dict and act accordingly
for row, (entry_type, field_value) in enumerate(page_dict.items(), 1):
# Check if this entry_type already existed
if entry_type in cur_entry_dict:
# If so, put it back into kwargs_grid
for col, item in enumerate(cur_entry_dict[entry_type]):
self.kwargs_grid.addItem(item, row, col)
else:
# If not, add it to kwargs_grid
self.add_editable_entry()
# Set this new entry to the proper type
set_box_value(self.kwargs_grid.itemAtPosition(row, 1).widget(),
entry_type)
# Set the value of the corresponding field
set_box_value(self.kwargs_grid.itemAtPosition(row, 2).widget(),
field_value)
# This function creates an editable entry
@QC.Slot()
@e13.docstring_substitute(qt_slot=qt_slot_doc)
def add_editable_entry(self):
"""
Adds a new editable entry to the kwargs dict page, which allows for the
user to edit the contents of the kwargs dict.
%(qt_slot)s
"""
# Create a combobox with different standard kwargs
kwargs_box = QW_QEditableComboBox()
kwargs_box.setFixedHeight(self.entry_height)
kwargs_box.addItem('')
kwargs_box.addItems(self.std_entries)
kwargs_box.setToolTip("Select a standard type for this entry or add "
"it manually")
kwargs_box.currentTextChanged.connect(
lambda x: self.entry_type_selected(x, kwargs_box))
# Create a delete button
delete_but = QW.QToolButton()
delete_but.setFixedSize(self.entry_height, self.entry_height)
delete_but.setToolTip("Delete this entry")
delete_but.clicked.connect(
lambda: self.remove_editable_entry(kwargs_box))
# If this theme has a 'remove' icon, use it
if QG.QIcon.hasThemeIcon('remove'): # pragma: no cover
delete_but.setIcon(QG.QIcon.fromTheme('remove'))
# Else, use a simple cross
else:
delete_but.setText('X')
# Determine the number of entries currently in kwargs_grid
next_row = self.kwargs_grid.getItemPosition(
self.kwargs_grid.count()-1)[0]+1
# Make a new editable entry
self.kwargs_grid.addWidget(delete_but, next_row, 0)
self.kwargs_grid.addWidget(kwargs_box, next_row, 1)
self.kwargs_grid.addWidget(QW.QLabel(''), next_row, 2)
# This function deletes an editable entry
@QC.Slot(QW.QComboBox)
@e13.docstring_substitute(qt_slot=qt_slot_doc)
def remove_editable_entry(self, kwargs_box):
"""
Removes the editable entry associated with the provided `kwargs_box`.
%(qt_slot)s
Parameters
----------
kwargs_box : \
:obj:`~prism._gui.widgets.base_widgets.QW_QEditableComboBox` object
The combobox that is used for setting the entry type of this entry.
"""
# Determine at what index the provided kwargs_box currently is
index = self.kwargs_grid.indexOf(kwargs_box)
# As every row contains 3 items, remove item 3 times at this index-1
for _ in range(3):
# Take the current layoutitem at this index-1
item = self.kwargs_grid.takeAt(index-1)
# Close the widget in this item and delete the item
item.widget().close()
del item
# This function is called when an item in the combobox is selected
# TODO: Make sure that two fields cannot have the same name
@QC.Slot(str, QW.QComboBox)
def entry_type_selected(self, entry_type, kwargs_box):
"""
Qt slot that modifies the field box associated with the provided
`kwargs_box` to given `entry_type`.
Parameters
----------
entry_type : str
The entry type that is requested for the field box.
kwargs_box : \
:obj:`~prism._gui.widgets.base_widgets.QW_QEditableComboBox` object
The combobox that is used for setting the entry type of this entry.
"""
# Determine at what index the provided kwargs_box currently is
index = self.kwargs_grid.indexOf(kwargs_box)
# Retrieve what the current field_box is
cur_box = self.kwargs_grid.itemAt(index+1).widget()
# Check what entry_type is given and act accordingly
if not entry_type:
# If '' is selected, use an empty label widget
field_box = QW.QLabel('')
elif entry_type in self.banned_entries:
# If one of the banned types is selected, show a warning message
warn_msg = (r"<b><i>%s</i></b> is a reserved or banned entry type!"
% (entry_type))
field_box = QW.QLabel(warn_msg)
elif entry_type in self.std_entries:
# If one of the standard types is selected, create its box
field_box = getattr(self, 'create_type_%s' % (entry_type))()
else:
# If an unknown type is given, add default box if not used already
if isinstance(cur_box, DefaultBox):
return
else:
field_box = DefaultBox()
# Set the height of this box
field_box.setFixedHeight(self.entry_height)
# Replace current field_box with new field_box
cur_item = self.kwargs_grid.replaceWidget(cur_box, field_box)
cur_item.widget().close()
del cur_item
# This function creates an alpha box
@e13.docstring_append(create_type_doc.format('alpha'))
def create_type_alpha(self):
# Make double spinbox for alpha
alpha_box = QW_QDoubleSpinBox()
alpha_box.setRange(0, 1)
set_box_value(alpha_box, 1)
alpha_box.setToolTip("Alpha value to use for the plotted data")
return(alpha_box)
# This function creates a cmap box
@e13.docstring_append(create_type_doc.format('cmap'))
def create_type_cmap(self):
return(ColorMapBox())
# This function creates a color picker box
@e13.docstring_append(create_type_doc.format('color'))
def create_type_color(self):
return(ColorBox())
# This function creates a dpi box
@e13.docstring_append(create_type_doc.format('dpi'))
def create_type_dpi(self):
# Make spinbox for dpi
dpi_box = QW_QSpinBox()
dpi_box.setRange(1, 9999999)
set_box_value(dpi_box, rcParams['figure.dpi'])
dpi_box.setToolTip("DPI (dots per inch) to use for the projection "
"figure")
return(dpi_box)
# This function creates a linestyle box
@e13.docstring_append(create_type_doc.format('linestyle'))
def create_type_linestyle(self):
# Obtain list with all supported linestyles
linestyles_lst = [(key, value[6:]) for key, value in lineStyles.items()
if value != '_draw_nothing']
linestyles_lst.sort(key=lambda x: x[0])
# Make combobox for linestyles
linestyle_box = QW_QComboBox()
for i, (linestyle, tooltip) in enumerate(linestyles_lst):
linestyle_box.addItem(linestyle)
linestyle_box.setItemData(i, tooltip, QC.Qt.ToolTipRole)
set_box_value(linestyle_box, rcParams['lines.linestyle'])
linestyle_box.setToolTip("Linestyle to be used for the corresponding "
"plot type")
return(linestyle_box)
# This function creates a linewidth box
@e13.docstring_append(create_type_doc.format('linewidth'))
def create_type_linewidth(self):
# Make a double spinbox for linewidth
linewidth_box = QW_QDoubleSpinBox()
linewidth_box.setRange(0, 9999999)
linewidth_box.setSuffix(" pts")
set_box_value(linewidth_box, rcParams['lines.linewidth'])
linewidth_box.setToolTip("Width of the plotted line")
return(linewidth_box)
# This function creates a marker box
@e13.docstring_append(create_type_doc.format('marker'))
def create_type_marker(self):
# Obtain list with all supported markers
markers_lst = [(key, value) for key, value in lineMarkers.items()
if(value != 'nothing' and isinstance(key, str))]
markers_lst.append(('', 'nothing'))
markers_lst.sort(key=lambda x: x[0])
# Make combobox for markers
marker_box = QW_QComboBox()
for i, (marker, tooltip) in enumerate(markers_lst):
marker_box.addItem(marker)
marker_box.setItemData(i, tooltip, QC.Qt.ToolTipRole)
set_box_value(marker_box, rcParams['lines.marker'])
marker_box.setToolTip("Marker to be used for the corresponding plot "
"type")
return(marker_box)
# This function creates a markersize box
@e13.docstring_append(create_type_doc.format('markersize'))
def create_type_markersize(self):
# Make a double spinbox for markersize
markersize_box = QW_QDoubleSpinBox()
markersize_box.setRange(0, 9999999)
markersize_box.setSuffix(" pts")
markersize_box.setToolTip("Size of the plotted markers")
set_box_value(markersize_box, rcParams['lines.markersize'])
return(markersize_box)
# This function creates a fh_arrowlength box
@e13.docstring_append(create_type_doc.format('fh_arrowlength'))
def create_type_fh_arrowlength(self):
# Make a double spinbox for arrow head length
head_length_box = QW_QDoubleSpinBox()
head_length_box.setRange(0, 9999999)
head_length_box.setDecimals(4)
head_length_box.setToolTip("Scaling factor for the length of the "
"plotted arrow head")
return(head_length_box)
# This function creates a ft_arrowlength box
@e13.docstring_append(create_type_doc.format('ft_arrowlength'))
def create_type_ft_arrowlength(self):
# Make a double spinbox for arrow tail length
tail_length_box = QW_QDoubleSpinBox()
tail_length_box.setRange(0, 9999999)
tail_length_box.setDecimals(2)
tail_length_box.setToolTip("Length of the plotted arrow tail relative "
"to the length of its head")
return(tail_length_box)
# This function creates a fh_arrowwidth box
@e13.docstring_append(create_type_doc.format('fh_arrowwidth'))
def create_type_fh_arrowwidth(self):
# Make a double spinbox for arrow head width
head_length_box = QW_QDoubleSpinBox()
head_length_box.setRange(0, 9999999)
head_length_box.setDecimals(4)
head_length_box.setToolTip("Scaling factor for the width of the "
"plotted arrow head")
return(head_length_box)
# This function creates a ft_arrowwidth box
@e13.docstring_append(create_type_doc.format('ft_arrowwidth'))
def create_type_ft_arrowwidth(self):
# Make a double spinbox for arrow tail width
tail_length_box = QW_QDoubleSpinBox()
tail_length_box.setRange(0, 9999999)
tail_length_box.setDecimals(4)
tail_length_box.setToolTip("Scaling factor for the width of the "
"plotted arrow tail")
return(tail_length_box)
# This function creates a rel_xpos box
@e13.docstring_append(create_type_doc.format('rel_xpos'))
def create_type_rel_xpos(self):
# Make a double spinbox for arrow relative x-position
x_pos_box = QW_QDoubleSpinBox()
x_pos_box.setRange(0, 1)
x_pos_box.setDecimals(4)
x_pos_box.setToolTip("Relative x-position of the arrow.")
return(x_pos_box)
# This function creates a rel_xpos box
@e13.docstring_append(create_type_doc.format('rel_ypos'))
def create_type_rel_ypos(self):
# Make a double spinbox for arrow relative y-position
y_pos_box = QW_QDoubleSpinBox()
y_pos_box.setRange(0, 1)
y_pos_box.setDecimals(4)
y_pos_box.setToolTip("Relative y-position of the arrow.")
return(y_pos_box)
# This function creates a scale box
def create_type_scale(self, axis):
"""
Base function for creating the entry types 'xscale' and 'yscale'.
"""
# Make a combobox for scale
scale_box = QW_QComboBox()
scale_box.addItems(['linear', 'log'])
scale_box.setToolTip("Scale type to use on the %s-axis" % (axis))
return(scale_box)
# This function creates a xscale box
@e13.docstring_append(create_type_doc.format('xscale'))
def create_type_xscale(self):
return(self.create_type_scale('x'))
# This function creates a yscale box
@e13.docstring_append(create_type_doc.format('yscale'))
def create_type_yscale(self):
return(self.create_type_scale('y'))
class KwargsDictBoxLayout(QW.QHBoxLayout):
"""
Defines the :class:`~KwargsDictBoxLayout` class for the preferences window.
This class provides the options entry box that gives the user access to a
separate window, where the various different keyword dicts can be modified.
"""
# This function creates an editable list of input boxes for the kwargs
@e13.docstring_substitute(optional=kwargs_doc.format(
'PyQt5.QtWidgets.QHBoxLayout'))
def __init__(self, options_dialog_obj, *args, **kwargs):
"""
Initialize an instance of the :class:`~KwargsDictBoxLayout` class.
Parameters
----------
options_dialog_obj : \
:obj:`~prism._gui.widgets.preferences.OptionsDialog` object
Instance of the
:class:`~prism._gui.widgets.preferences.OptionsDialog` class that
acts as the parent of the :class:`~KwargsDictDialog` this layout
creates.
%(optional)s
"""
# Save provided options_dialog_obj
self.options = options_dialog_obj
# Call super constructor
super().__init__(*args, **kwargs)
# Create the kwargs dict window
self.init()
# This function creates the kwargs dict window
def init(self):
"""
Sets up the box layout after it has been initialized.
This function is mainly responsible for initializing the
:class:`~KwargsDictDialog` class and binding it.
"""
# Initialize the window for the kwargs dict
self.dict_dialog = KwargsDictDialog(self.options)
# Add a view button
view_but = QW.QPushButton('View')
view_but.setToolTip("View/edit the projection keyword dicts")
view_but.setSizePolicy(QW.QSizePolicy.Fixed, QW.QSizePolicy.Fixed)
view_but.clicked.connect(self.dict_dialog)
self.view_but = view_but
self.addWidget(view_but)
# This function calls the add_page()-method of dict_dialog
def add_dict(self, *args, **kwargs):
"""
Adds a new kwargs dict to the box layout, by calling the
:meth:`~KwargsDictDialog.add_page` method using the provided `args` and
`kwargs`.
"""
self.dict_dialog.add_page(*args, **kwargs)
class OverviewDockWidget(QW.QDockWidget):
"""
Defines the :class:`~OverviewDockWidget` class for the Projection GUI.
This class provides the user with the ability to quickly create; draw;
view; and save projection figures.
"""
# TODO: Allow for the lists to be sorted differently?
@docstring_substitute(
optional=kwargs_doc.format('PyQt5.QtWidgets.QDockWidget'))
def __init__(self, main_window_obj, *args, **kwargs):
"""
Initialize an instance of the :class:`~OverviewDockWidget` class.
Parameters
----------
main_window_obj : :obj:`~prism._gui.widgets.MainViewerWindow` object
Instance of the :class:`~prism._gui.widgets.MainViewerWindow` class
that acts as the parent of this dock widget.
%(optional)s
"""
# Save provided MainWindow object
self.main = main_window_obj
self.pipe = self.main.pipe
self.set_proj_attr = self.main.set_proj_attr
self.all_set_proj_attr = self.main.all_set_proj_attr
self.get_proj_attr = self.main.get_proj_attr
self.call_proj_attr = self.main.call_proj_attr
self.all_call_proj_attr = self.main.all_call_proj_attr
# Call the super constructor
super().__init__("Overview", self.main, *args, **kwargs)
# Create the overview widget
self.init()
# This function is called when the main window is closed
def closeEvent(self, *args, **kwargs):
"""
Special :meth:`~PyQt5.QtWidgets.QWidget.closeEvent` event that
automatically performs some clean-up operations before the overview
dock widget closes.
"""
# Close all currently opened figures and subwindows
for fig, subwindow in self.proj_fig_registry.values():
plt.close(fig)
subwindow.close()
# Close the projection overview
super().closeEvent(*args, **kwargs)
# This function creates the projection overview
def init(self):
"""
Sets up the projection overview dock widget after it has been
initialized.
This function is mainly responsible for creating the different overview
lists and menus that allow the user to manipulate projection figures.
"""
# Create an overview
overview_widget = QW.QWidget()
self.proj_overview = QW.QVBoxLayout()
overview_widget.setLayout(self.proj_overview)
self.setWidget(overview_widget)
# Set the contents margins at the bottom to zero
contents_margins = self.proj_overview.getContentsMargins()
self.proj_overview.setContentsMargins(*contents_margins[:3], 0)
# Create empty dict containing all projection figure instances
self.proj_fig_registry = {}
# Make lists of all hcubes and their names
self.hcubes = list(self.get_proj_attr('hcubes'))
self.names = [
self.call_proj_attr('get_hcube_name', hcube)
for hcube in self.hcubes
]
# Divide all hcubes up into three different lists
# Drawn; available; unavailable
unavail_hcubes = [
self.call_proj_attr('get_hcube_name', hcube)
for hcube in self.get_proj_attr('create_hcubes')
]
avail_hcubes = [
name for name in self.names if name not in unavail_hcubes
]
drawn_hcubes = []
# DRAWN PROJECTIONS
# Add list for drawn projections
self.proj_list_d = OverviewListWidget(
hcubes_list=drawn_hcubes,
status_tip="Lists all projections that have been drawn",
context_menu=self.show_drawn_context_menu,
activated=self.show_projection_figures)
self.proj_overview.addWidget(QW.QLabel("Drawn:"))
self.proj_overview.addWidget(self.proj_list_d)
self.create_drawn_context_menu()
# AVAILABLE PROJECTIONS
# Add list for available projections
self.proj_list_a = OverviewListWidget(
hcubes_list=avail_hcubes,
status_tip=("Lists all projections that have been calculated but "
"not drawn"),
context_menu=self.show_available_context_menu,
activated=self.draw_projection_figures)
self.proj_overview.addWidget(QW.QLabel("Available:"))
self.proj_overview.addWidget(self.proj_list_a)
self.create_available_context_menu()
# UNAVAILABLE PROJECTIONS
# Add list for projections that can be created
self.proj_list_u = OverviewListWidget(
hcubes_list=unavail_hcubes,
status_tip="Lists all projections that have not been calculated",
context_menu=self.show_unavailable_context_menu,
activated=self.create_projection_figures)
self.proj_overview.addWidget(QW.QLabel("Unavailable:"))
self.proj_overview.addWidget(self.proj_list_u)
self.create_unavailable_context_menu()
# This function creates the context menu for drawn projections
def create_drawn_context_menu(self):
"""
Creates the context (right-click) menu for the 'Drawn' overview list.
This menu contains all actions that are available for drawn projection
figures.
"""
# Create context menu
menu = QW_QMenu(self, 'Drawn')
# Add show action to menu
show_act = QW_QAction(self,
'S&how',
statustip="Show selected projection figure(s)",
triggered=self.show_projection_figures)
menu.addAction(show_act)
# Add save action to menu
save_act = QW_QAction(
self,
'&Save',
statustip="Save selected projection figure(s) to file",
triggered=self.save_projection_figures)
menu.addAction(save_act)
# Add save as action to menu
save_as_act = QW_QAction(
self,
'Save &as...',
statustip="Save selected projection figure(s) to chosen file",
triggered=self.save_as_projection_figures)
menu.addAction(save_as_act)
# Add redraw action to menu
redraw_act = QW_QAction(
self,
'&Redraw',
statustip="Redraw selected projection figure(s)",
triggered=self.redraw_projection_figures)
menu.addAction(redraw_act)
# Add close action to menu
close_act = QW_QAction(self,
'&Close',
statustip="Close selected projection figure(s)",
triggered=self.close_projection_figures)
menu.addAction(close_act)
# Add details action to menu (single item only)
self.details_u_act = QW_QAction(
self,
'De&tails',
statustip="Show details about selected projection figure",
triggered=self.details_drawn_projection_figure)
menu.addAction(self.details_u_act)
# Save made menu as an attribute
self.context_menu_d = menu
# This function shows the context menu for drawn projections
@QC.Slot()
@docstring_substitute(qt_slot=qt_slot_doc)
def show_drawn_context_menu(self):
"""
Shows the 'Drawn' context menu, giving the user access to its actions.
%(qt_slot)s
"""
# Calculate number of selected items
n_items = len(self.proj_list_d.selectedItems())
# If there is currently at least one item selected, show context menu
if n_items:
# If there is exactly one item selected, enable details
self.details_u_act.setEnabled(n_items == 1)
# Show context menu
self.context_menu_d.popup(QG.QCursor.pos())
# This function creates the context menu for available projections
def create_available_context_menu(self):
"""
Creates the context (right-click) menu for the 'Available' overview
list.
This menu contains all actions that are available for created (but not
drawn) projection figures.
"""
# Create context menu
menu = QW_QMenu(self, 'Available')
# Add draw action to menu
draw_act = QW_QAction(self,
'&Draw',
statustip="Draw selected projection figure(s)",
triggered=self.draw_projection_figures)
menu.addAction(draw_act)
# Add draw&save action to menu
draw_save_act = QW_QAction(
self,
'Draw && &Save',
statustip="Draw & save selected projection figure(s)",
triggered=self.draw_save_projection_figures)
menu.addAction(draw_save_act)
# Add recreate action to menu
recreate_act = QW_QAction(
self,
'&Recreate',
statustip="Recreate selected projection figure(s)",
triggered=self.recreate_projection_figures)
menu.addAction(recreate_act)
# Add delete action to menu
delete_act = QW_QAction(
self,
'D&elete',
statustip="Delete selected projection figure(s)",
triggered=self.delete_projection_figures)
menu.addAction(delete_act)
# Add details action to menu (single item only)
self.details_a_act = QW_QAction(
self,
'De&tails',
statustip="Show details about selected projection figure",
triggered=self.details_available_projection_figure)
menu.addAction(self.details_a_act)
# Save made menu as an attribute
self.context_menu_a = menu
# This function shows the context menu for available projections
@QC.Slot()
@docstring_substitute(qt_slot=qt_slot_doc)
def show_available_context_menu(self):
"""
Shows the 'Available' context menu, giving the user access to its
actions.
%(qt_slot)s
"""
# Calculate number of selected items
n_items = len(self.proj_list_a.selectedItems())
# If there is currently at least one item selected, show context menu
if n_items:
# If there is exactly one item selected, enable details
self.details_a_act.setEnabled(n_items == 1)
# Show context menu
self.context_menu_a.popup(QG.QCursor.pos())
# This function creates the context menu for unavailable projections
def create_unavailable_context_menu(self):
"""
Creates the context (right-click) menu for the 'Unavailable' overview
list.
This menu contains all actions that are available for non-existing
projection figures.
"""
# Create context menu
menu = QW_QMenu(self, 'Unavailable')
# Add create action to menu
create_act = QW_QAction(
self,
'&Create',
statustip="Create selected projection figure(s)",
triggered=self.create_projection_figures)
menu.addAction(create_act)
# Add create&draw action to menu
create_draw_act = QW_QAction(
self,
'Create && &Draw',
statustip="Create & draw selected projection figure(s)",
triggered=self.create_draw_projection_figures)
menu.addAction(create_draw_act)
# Add create, draw & save action to menu
create_draw_save_act = QW_QAction(
self,
'Create, Draw && &Save',
statustip="Create, draw & save selected projection figure(s)",
triggered=self.create_draw_save_projection_figures)
menu.addAction(create_draw_save_act)
# Save made menu as an attribute
self.context_menu_u = menu
# This function shows the context menu for unavailable projections
@QC.Slot()
@docstring_substitute(qt_slot=qt_slot_doc)
def show_unavailable_context_menu(self):
"""
Shows the 'Unavailable' context menu, giving the user access to its
actions.
%(qt_slot)s
"""
# If there is currently at least one item selected, show context menu
if self.proj_list_u.selectedItems():
self.context_menu_u.popup(QG.QCursor.pos())
# This function shows a list of projection figures in the viewing area
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def show_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided `list_items`
and shows them in the projection viewing area.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_d.selectedItems()
# Loop over all items in list_items
for list_item in list_items:
# Retrieve text of list_item
hcube_name = list_item.text()
# Obtain the corresponding figure and subwindow
fig, subwindow = self.proj_fig_registry[hcube_name]
# If subwindow is None, create a new one
if subwindow is None:
# Create a new subwindow
subwindow = QW.QMdiSubWindow(self.main.area_dock.proj_area)
subwindow.setWindowTitle(hcube_name)
# Set a few properties of the subwindow
# TODO: Make subwindow frameless when not being hovered
subwindow.setOption(QW.QMdiSubWindow.RubberBandResize)
# Add subwindow to registry
self.proj_fig_registry[hcube_name][1] = subwindow
# If subwindow is currently not visible, create a canvas for it
if not subwindow.isVisible():
# Create a FigureCanvas instance
canvas = FigureCanvas(fig)
# Add canvas to subwindow
subwindow.setWidget(canvas)
# Add new subwindow to viewing area if not shown before
if subwindow not in self.main.area_dock.proj_area.subWindowList():
self.main.area_dock.proj_area.addSubWindow(subwindow)
# Show subwindow
subwindow.showNormal()
subwindow.setFocus()
# If auto_tile is set to True, tile all the windows
if self.main.get_option('auto_tile'):
self.main.area_dock.proj_area.tileSubWindows()
# This function closes a list of projection figures permanently
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def close_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided `list_items`
and closes their :obj:`~matplotlib.figure.Figure` objects.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_d.selectedItems()
# Loop over all items in list_items
for list_item in list_items:
# Retrieve text of list_item
hcube_name = list_item.text()
# Pop the figure from the registry
fig, subwindow = self.proj_fig_registry.pop(hcube_name)
# Close the figure, canvas and subwindow
plt.close(fig)
subwindow.close()
# Move figure from drawn to available
item = self.proj_list_d.takeItem(self.proj_list_d.row(list_item))
self.proj_list_a.addItem(item)
# This function draws a list of projection figures
# OPTIMIZE: Reshaping a 3D projection figure takes up to 15 seconds
# TODO: Figure out if there is a way to make a figure static, and only
# resize when explicitly told to do so
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def draw_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided `list_items`
and draws them, creating their :class:`~matplotlib.figure.Figure`
instances.
If the `auto_show` option is *True*, drawn figures will be shown
automatically as well.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_a.selectedItems()
# Draw projections
result = self.use_progress_dialog("Drawing projection figures...",
self._draw_projection_figure,
list_items)
# Show all drawn projection figures if the dialog was not cancelled
if result and self.main.get_option('auto_show'):
self.show_projection_figures(list_items)
# Return result
return (result)
# This function draws a projection figure
def _draw_projection_figure(self, list_item):
"""
Draws the projection figure requested in the provided `list_item`,
creating its :class:`~matplotlib.figure.Figure` instance.
This function is used iteratively by :meth:`~draw_projection_figures`.
Parameters
----------
list_item : :obj:`~PyQt5.QtWidgets.QListWidgetItem` object
The item that contains the requested projection figure.
"""
# Retrieve text of list_item
hcube_name = list_item.text()
hcube = self.hcubes[self.names.index(hcube_name)]
# Load in the data corresponding to the requested figure
impl_min, impl_los, proj_res, _ =\
self.call_proj_attr('get_proj_data', hcube)
# Call the proper function for drawing the projection figure
if (len(hcube) == 2):
fig = self.call_proj_attr('draw_2D_proj_fig', hcube, impl_min,
impl_los, proj_res)
else:
fig = self.call_proj_attr('draw_3D_proj_fig', hcube, impl_min,
impl_los, proj_res)
# Register figure in the registry
self.proj_fig_registry[hcube_name] = [fig, None]
# Move figure from available to drawn
item = self.proj_list_a.takeItem(self.proj_list_a.row(list_item))
self.proj_list_d.addItem(item)
# This function deletes a list of projection figures
# TODO: Avoid reimplementing the __get_req_hcubes() logic here
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def delete_projection_figures(self,
list_items=None,
*,
skip_warning=False):
"""
Retrieves the projection figures requested in the provided `list_items`
and delete them, permanently removing their corresponding projection
data.
%(qt_slot)s
%(optional)s
skip_warning : bool. Default: False
Whether or not to skip showing the warning asking the user if they
are sure they want to permanently delete all items in `list_items`.
If *True*, the answer is taken to be *True*.
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_a.selectedItems()
# If skip_warning is False, ask the user if they really want this
if not skip_warning:
button_clicked = QW.QMessageBox.warning(
self, "WARNING: Delete projection(s)",
("Are you sure you want to delete the selected projection "
"figure(s)? (<i>Note: This action is irreversible!</i>)"),
QW.QMessageBox.Yes | QW.QMessageBox.No, QW.QMessageBox.No)
# Else, this answer is always yes
else:
button_clicked = QW.QMessageBox.Yes
# If the answer is yes, loop over all items in list_items
if (button_clicked == QW.QMessageBox.Yes):
for list_item in list_items:
# Retrieve text of list_item
hcube_name = list_item.text()
hcube = self.hcubes[self.names.index(hcube_name)]
# Retrieve the emul_i of this hcube
emul_i = hcube[0]
# Open hdf5-file
with self.pipe._File('r+', None) as file:
# Remove the data belonging to this hcube
del file['%i/proj_hcube/%s' % (emul_i, hcube_name)]
# Try to remove figures as well
fig_path, fig_path_s =\
self.call_proj_attr('get_fig_path', hcube)
if path.exists(fig_path):
os.remove(fig_path)
if path.exists(fig_path_s):
os.remove(fig_path_s)
# Move figure from available to unavailable
item = self.proj_list_a.takeItem(
self.proj_list_a.row(list_item))
self.proj_list_u.addItem(item)
# This function creates a list of projection figures
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def create_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided `list_items`
and creates them, calculating their corresponding projection data.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_u.selectedItems()
# Create projections
result = self.use_progress_dialog("Creating projection figures...",
self._create_projection_figure,
list_items)
# Return result
return (result)
# This function creates a projection figure
def _create_projection_figure(self, list_item):
"""
Creates the projection figure requested in the provided `list_item`,
calculating its projection data.
This function is used iteratively by
:meth:`~create_projection_figures`.
Parameters
----------
list_item : :obj:`~PyQt5.QtWidgets.QListWidgetItem` object
The item that contains the requested projection figure.
"""
# Retrieve text of list_item
hcube_name = list_item.text()
hcube = self.hcubes[self.names.index(hcube_name)]
# Calculate projection data
_, _ = self.all_call_proj_attr('analyze_proj_hcube', hcube)
# Move figure from unavailable to available
item = self.proj_list_u.takeItem(self.proj_list_u.row(list_item))
self.proj_list_a.addItem(item)
# This function saves a list of projection figures to file
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def save_projection_figures(self, list_items=None, *, choose=False):
"""
Retrieves the projection figures requested in the provided `list_items`
and saves their :obj:`~matplotlib.figure.Figure` objects.
%(qt_slot)s
%(optional)s
choose : bool. Default: False
Whether or not the user is allowed to choose where the projection
figure is saved to.
If *False*, it uses the default filename as defined by
:meth:`~prism.Pipeline._Projection__get_fig_path`.
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_d.selectedItems()
# Loop over all items in list_items
for list_item in list_items:
# Retrieve text of list_item
hcube_name = list_item.text()
hcube = self.hcubes[self.names.index(hcube_name)]
# Obtain the corresponding figure
fig, _ = self.proj_fig_registry[hcube_name]
# Obtain the default figure path
fig_paths = self.call_proj_attr('get_fig_path', hcube)
fig_path = fig_paths[self.get_proj_attr('smooth')]
# If choose, save using non-default figure path
if choose:
# Get the supported filetypes
filetypes = FigureCanvas.get_supported_filetypes_grouped()
# Get dict of all supported file extensions in MPL
ext_dict = sdict()
for name, exts in filetypes.items():
ext_dict[name] = ' '.join(['*.%s' % (ext) for ext in exts])
# Set default extension
default_ext = '*.png'
# Initialize empty list of filters and default filter
file_filters = []
default_filter = None
# Obtain list with the different file filters
for name, ext in ext_dict.items():
# Create proper string layout for this filter
file_filter = "%s (%s)" % (name, ext)
file_filters.append(file_filter)
# If this extension is the default one, save it as such
if default_ext in file_filter:
default_filter = file_filter
# Add 'All (Image) Files' filter to the list of filters
file_filters.append("All Image Files (%s)" %
(' '.join(ext_dict.values())))
file_filters.append("All Files (*)")
# Combine list into a single string
file_filters = ';;'.join(file_filters)
# Create an OS-dependent options dict
options = {}
# Do not use Linux' native dialog as it is bad on some dists
if platform.startswith('linux'):
options = {'options': QW.QFileDialog.DontUseNativeDialog}
# Open the file saving system
# Don't use native dialog as it is terrible on some Linux dists
filename, _ = QW.QFileDialog.getSaveFileName(
parent=self.main,
caption="Save %s as..." % (hcube_name),
directory=fig_path,
filter=file_filters,
initialFilter=default_filter,
**options)
# If filename was provided, save image
if filename:
fig.savefig(filename)
# Else, break the loop
else:
break
# Else, use default figure path
else:
fig.savefig(fig_path)
# This function saves a list of projection figures to file
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def save_as_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided `list_items`
and saves their :obj:`~matplotlib.figure.Figure` objects, asking the
user where to save each one.
This function basically calls :meth:`~save_projection_figures` with
`choose` set to *True*.
%(qt_slot)s
%(optional)s
"""
self.save_projection_figures(list_items, choose=True)
# This function redraws a list of projection figures
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def redraw_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided `list_items`
and redraws them, closing and recreating their
:obj:`~matplotlib.figure.Figure` objects.
This function is basically a combination of
:meth:`~close_projection_figures` and :meth:`~draw_projection_figures`.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_d.selectedItems()
# Close and redraw all projection figures in list_items
self.close_projection_figures(list_items)
self.draw_projection_figures(list_items)
# This function draws and saves a list of projection figures
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def draw_save_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided
`list_items`, draws their :obj:`~matplotlib.figure.Figure` objects and
saves them afterward.
This function is basically a combination of
:meth:`~draw_projection_figures` and :meth:`~save_projection_figures`.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_a.selectedItems()
# Draw and save all projection figures in list_items
if self.draw_projection_figures(list_items):
self.save_projection_figures(list_items)
# This function recreates a list of projection figures
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def recreate_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided `list_items`
and recreates them, permanently removing their corresponding projection
data and recalculating it.
This function is basically a combination of
:meth:`~delete_projection_figures` and
:meth:`~create_projection_figures`.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_a.selectedItems()
# Ask the user if they really want to recreate the figures
button_clicked = QW.QMessageBox.warning(
self, "WARNING: Recreate projection(s)",
("Are you sure you want to recreate the selected projection "
"figure(s)? (<i>Note: This action is irreversible!</i>)"),
QW.QMessageBox.Yes | QW.QMessageBox.No, QW.QMessageBox.No)
# Delete and recreate all projection figures in list_items if yes
if (button_clicked == QW.QMessageBox.Yes):
self.delete_projection_figures(list_items, skip_warning=True)
self.create_projection_figures(list_items)
# This function creates and draws a list of projection figures
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def create_draw_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided
`list_items`, calculates their projection data and draws their
:obj:`~matplotlib.figure.Figure` objects afterward.
This function is basically a combination of
:meth:`~create_projection_figures` and
:meth:`~draw_projection_figures`.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_u.selectedItems()
# Create and draw all projection figures in list_items
if self.create_projection_figures(list_items):
self.draw_projection_figures(list_items)
# This function creates, draws and saves a list of projection figures
@QC.Slot()
@QC.Slot(list)
@docstring_substitute(qt_slot=qt_slot_doc,
optional=list_items_optional_doc)
def create_draw_save_projection_figures(self, list_items=None):
"""
Retrieves the projection figures requested in the provided
`list_items`, calculates their projection data, draws their
:obj:`~matplotlib.figure.Figure` objects and saves them afterward.
This function is basically a combination of
:meth:`~create_projection_figures`; :meth:`~draw_projection_figures`
and :meth:`~save_projection_figures`.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_items
if list_items is None:
list_items = self.proj_list_u.selectedItems()
# Create, draw and save all projection figures in list_items
if self.create_projection_figures(list_items):
if self.draw_projection_figures(list_items):
self.save_projection_figures(list_items)
# This function shows a details overview of a drawn projection figure
@QC.Slot()
@QC.Slot(QW.QListWidgetItem)
@docstring_substitute(qt_slot=qt_slot_doc, optional=list_item_optional_doc)
def details_drawn_projection_figure(self, list_item=None):
"""
Retrieves the projection figure requested in the provided `list_item`,
gathers its properties and shows a details dialog listing them.
This function is used for projections in the 'Drawn' list.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_item
if list_item is None:
list_item = self.proj_list_d.selectedItems()[0]
# Show details
self._details_projection_figure(list_item)
# This function shows a details overview of an available projection figure
@QC.Slot()
@QC.Slot(QW.QListWidgetItem)
@docstring_substitute(qt_slot=qt_slot_doc, optional=list_item_optional_doc)
def details_available_projection_figure(self, list_item=None):
"""
Retrieves the projection figure requested in the provided `list_item`,
gathers its properties and shows a details dialog listing them.
This function is used for projections in the 'Available' list.
%(qt_slot)s
%(optional)s
"""
# Obtain the list_item
if list_item is None:
list_item = self.proj_list_a.selectedItems()[0]
# Show details
self._details_projection_figure(list_item)
# This function shows a details overview of a projection figure
# TODO: Add section on how the figure was drawn for drawn projections?
def _details_projection_figure(self, list_item):
"""
Creates and shows a details dialog for the projection figure requested
in the provided `list_item`.
Parameters
----------
list_item : :obj:`~PyQt5.QtWidgets.QListWidgetItem` object
The item that contains the requested projection figure.
"""
# Retrieve text of list_item
hcube_name = list_item.text()
hcube = self.hcubes[self.names.index(hcube_name)]
# Is this a 3D projection?
is_3D = (len(hcube) == 3)
# Gather some details about this projection figure
emul_i = hcube[0] # Emulator iteration
pars = hcube[1:] # Plotted parameters
proj_type = '%iD' % (len(hcube)) # Projection type
# Open hdf5-file
with self.pipe._File('r', None) as file:
# Get the group that contains the data for this projection figure
group = file["%i/proj_hcube/%s" % (emul_i, hcube_name)]
# Gather more details about this projection figure
impl_cut = group.attrs['impl_cut'] # Implausibility cut-offs
cut_idx = group.attrs['cut_idx'] # Number of wildcards
res = group.attrs['proj_res'] # Projection resolution
depth = group.attrs['proj_depth'] # Projection depth
# Get the percentage of plausible space remaining
if self.pipe._n_eval_sam[emul_i]:
pl_space_rem = "{0:#.3%}".format((self.pipe._n_impl_sam[emul_i] /
self.pipe._n_eval_sam[emul_i]))
else:
pl_space_rem = "N/A"
pl_space_rem = QW.QLabel(pl_space_rem)
# Obtain QLabel instances of all details
emul_i = QW.QLabel(str(emul_i))
pars = ', '.join([self.pipe._modellink._par_name[par] for par in pars])
pars = QW.QLabel(pars)
proj_type = QW.QLabel(proj_type)
impl_cut = QW.QLabel(str(impl_cut.tolist()))
cut_idx = QW.QLabel(str(cut_idx))
# Get the labels for the grid shape and size
if is_3D:
grid_shape = QW.QLabel("{0:,}x{0:,}x{1:,}".format(res, depth))
grid_size = QW.QLabel("{0:,}".format(res * res * depth))
else:
grid_shape = QW.QLabel("{0:,}x{1:,}".format(res, depth))
grid_size = QW.QLabel("{0:,}".format(res * depth))
# Convert res and depth as well
res = QW.QLabel("{0:,}".format(res))
depth = QW.QLabel("{0:,}".format(depth))
# Create a layout for the details
details_layout = QW.QVBoxLayout()
# GENERAL
# Create a group for the general details
general_group = QW.QGroupBox("General")
details_layout.addWidget(general_group)
general_layout = QW.QFormLayout()
general_group.setLayout(general_layout)
# Add general details
general_layout.addRow("Emulator iteration", emul_i)
general_layout.addRow("Parameters", pars)
general_layout.addRow("Projection type", proj_type)
general_layout.addRow("% of parameter space remaining", pl_space_rem)
# PROJECTION DATA
# Create a group for the projection data details
data_group = QW.QGroupBox("Projection data")
details_layout.addWidget(data_group)
data_layout = QW.QFormLayout()
data_group.setLayout(data_layout)
# Add projection data details
data_layout.addRow("Grid shape", grid_shape)
data_layout.addRow("Grid size", grid_size)
data_layout.addRow("# of implausibility wildcards", cut_idx)
data_layout.addRow("Implausibility cut-offs", impl_cut)
# Create a details message box for this projection figure
details_box = QW.QDialog(self.main)
details_box.setWindowModality(QC.Qt.NonModal)
details_box.setAttribute(QC.Qt.WA_DeleteOnClose)
details_box.setWindowFlags(QC.Qt.WindowSystemMenuHint | QC.Qt.Window
| QC.Qt.WindowCloseButtonHint
| QC.Qt.MSWindowsOwnDC
| QC.Qt.MSWindowsFixedSizeDialogHint)
details_layout.setSizeConstraint(QW.QLayout.SetFixedSize)
details_box.setWindowTitle("%s: %s details" % (APP_NAME, hcube_name))
details_box.setLayout(details_layout)
# Show the details message box
details_box.show()
# This function creates the proper progress dialog for given operation
def use_progress_dialog(self, label, func, *iterables):
"""
Creates a progress dialog with the given `label`, and executes the
requested `func` using the provided `iterables`.
Depending on the current settings, this function will either create a
:obj:`~prism._gui.widgets.helpers.ThreadedProgressDialog` object that
allows the user to abort the operation (but is slower), or a static
dialog that cannot be interrupted.
Parameters
----------
label : str
The label that is used as the description of what operation is
currently being executed.
func : function
The function that must be called iteratively using the arguments
provided in `iterables`.
iterables : positional arguments
All iterables that must be used to call `func` with.
Returns
-------
result : bool
Whether or not the operations ended successfully, which can be used
by other functions to determine if it should continue.
"""
# Set result to False
result = False
# Use a progress dialog if one was requested
if self.main.get_option('use_progress_dialog'):
# Create a threaded progress dialog for creating projections
progress_dialog = ThreadedProgressDialog(self.main, label, func,
*iterables)
# Wrap in try-statement to make sure the dialog is always closed
try:
# Execute the function provided to the progress dialog
result = progress_dialog()
# Close dialog
finally:
progress_dialog.close()
# Else, do not use one and execute on main thread
else:
# Create a dialog showing that an operation is being executed
dialog = QW.QDialog(self.main)
dialog.setWindowModality(QC.Qt.ApplicationModal)
dialog.setWindowTitle(APP_NAME)
dialog.setAttribute(QC.Qt.WA_DeleteOnClose)
dialog.setWindowFlags(QC.Qt.WindowTitleHint | QC.Qt.Dialog
| QC.Qt.CustomizeWindowHint)
layout = QW.QVBoxLayout(dialog)
layout.addWidget(QW.QLabel(label))
# Show the dialog
dialog.show()
# Make cursor show that it is busy
QW.QApplication.setOverrideCursor(QG.QCursor(QC.Qt.WaitCursor))
# Wait for 0.1 seconds and then process events to update dialog
time.sleep(0.1)
QW.QApplication.instance().processEvents()
# Wrap in try-statement to make sure the dialog is always closed
try:
# Loop over all iterables
for items in zip(*iterables):
func(*items)
# If this finishes successfully, set result to True
else:
result = True
# Restore mouse cursor and close dialog
finally:
QW.QApplication.restoreOverrideCursor()
dialog.close()
# Return result
return (result)
class KwargsDictDialog(QW.QDialog):
"""
Defines the :class:`~KwargsDictDialog` class for the preferences window.
This class provides the 'Projection keyword argument dicts' dialog, which
allows for the various different kwargs dicts to be modified by the user.
"""
@e13.docstring_substitute(optional=kwargs_doc.format(
'PyQt5.QtWidgets.QDialog'))
def __init__(self, options_dialog_obj, *args, **kwargs):
"""
Initialize an instance of the :class:`~KwargsDictDialog` class.
Parameters
----------
options_dialog_obj : \
:obj:`~prism._gui.widgets.preferences.OptionsDialog` object
Instance of the
:class:`~prism._gui.widgets.preferences.OptionsDialog` class that
acts as the parent of this dialog.
%(optional)s
"""
# Save provided options_dialog_obj
self.options = options_dialog_obj
self.options.dict_dialog = self
# Call super constructor
super().__init__(self.options, *args, **kwargs)
# Create the kwargs dict window
self.init()
# This function shows an editable window with the entries in the dict
@QC.Slot()
def __call__(self):
"""
Qt slot that shows the kwargs dict dialog in the center of the
preferences window.
"""
# Show it
self.show()
# Move the kwargs_dicts window to the center of the main window
self.move(self.options.geometry().center()-self.rect().center())
# This function creates the kwargs dict window
def init(self):
"""
Sets up the kwargs dict dialog after it has been initialized.
This function is mainly responsible for setting up the layout of the
dialog, and making sure that new kwargs dict pages can be added.
"""
# Create a window layout
window_layout = QW.QVBoxLayout(self)
# Create a splitter widget for this window
splitter_widget = QW.QSplitter()
splitter_widget.setChildrenCollapsible(False)
window_layout.addWidget(splitter_widget)
# Create a contents widget
self.contents = QW.QListWidget()
self.contents.setMovement(QW.QListView.Static)
self.contents.setSpacing(1)
splitter_widget.addWidget(self.contents)
# Create pages widget
self.pages = QW.QStackedWidget()
splitter_widget.addWidget(self.pages)
# Set signal handling
self.contents.currentRowChanged.connect(self.pages.setCurrentIndex)
# Add a close button
button_box = QW.QDialogButtonBox()
window_layout.addWidget(button_box)
close_but = button_box.addButton(button_box.Close)
close_but.clicked.connect(self.close)
self.close_but = close_but
# Set some properties for this window
self.setWindowTitle("Viewing projection keyword dicts") # Title
# Set the height of an editable entry
self.entry_height = 24
# This function creates a new page
@e13.docstring_substitute(optional=kwargs_doc.format(
'prism._gui.widgets.preferences.KwargsDictDialogPage'))
def add_page(self, name, option_key, tooltip, *args, **kwargs):
"""
Initializes a new :obj:`~KwargsDictDialogPage` object with name `name`
and adds it to this dialog.
Parameters
----------
name : str
The name that this kwargs dict page will have.
option_key : str
The name of the options entry that this page will create.
The value of `option_key` must correspond to the name the
associated dict has in the :meth:`~prism.Pipeline.project` method.
tooltip : str
The tooltip that must be used for this kwargs dict page.
%(optional)s
"""
# Create a page
kwargs_page = KwargsDictDialogPage(self, name, *args, **kwargs)
# Add this new page to the option_entries
self.options.create_entry(option_key, kwargs_page,
self.options.proj_defaults[option_key])
# Create a scrollarea for the page
scrollarea = QW.QScrollArea(self)
scrollarea.setWidgetResizable(True)
scrollarea.setWidget(kwargs_page)
# Add it to the contents and pages widgets
n_contents = self.contents.count()
self.contents.addItem(name)
self.contents.item(n_contents).setData(QC.Qt.ToolTipRole, tooltip)
self.contents.setFixedWidth(
int(1.1*self.contents.sizeHintForColumn(0)))
self.pages.addWidget(scrollarea)
class DefaultBox(BaseBox):
"""
Defines the :class:`~DefaultBox` class.
This class is used for making a non-standard entry in the
:class:`~prism._gui.widgets.preferences.KwargsDictDialogPage` class.
It currently supports inputs of type bool; float; int; and str.
"""
@docstring_substitute(
optional=kwargs_doc.format('prism._gui.widgets.core.BaseBox'))
def __init__(self, *args, **kwargs):
"""
Initialize an instance of the :class:`~DefaultBox` class.
%(optional)s
"""
# Call super constructor
super().__init__(*args, **kwargs)
# Create the default box
self.init()
# This function creates a double box with type and lineedit
def init(self):
"""
Sets up the non-standard default box entry after it has been
initialized.
This function is mainly responsible for creating the type combobox and
allowing for different field boxes to be used for different value
types.
"""
# Create the box_layout
box_layout = QW.QHBoxLayout(self)
box_layout.setContentsMargins(0, 0, 0, 0)
self.box_layout = box_layout
self.setToolTip("Enter the type and value for this unknown entry type")
# Make a look-up dict for types
self.type_dict = {bool: 'bool', float: 'float', int: 'int', str: 'str'}
# Create a combobox for the type
type_box = QW_QComboBox()
type_box.addItems(self.type_dict.values())
type_box.setToolTip("Type of the entered value")
type_box.setSizePolicy(QW.QSizePolicy.Fixed, QW.QSizePolicy.Fixed)
type_box.currentTextChanged.connect(self.create_field_box)
self.type_box = type_box
# Make value box corresponding to the current type
val_box = getattr(self, "create_type_%s" % (type_box.currentText()))()
self.value_box = val_box
# Add everything to the box_layout
box_layout.addWidget(type_box)
box_layout.addWidget(val_box)
# This function creates a field_box depending on the type that was selected
@QC.Slot(str)
@docstring_substitute(qt_slot=qt_slot_doc)
def create_field_box(self, value_type):
"""
Creates a field box for the provided type `value_type` and replaces the
current field box with it.
%(qt_slot)s
Parameters
----------
value_type : {'bool'; 'float'; 'int'; 'str'}
The string that defines what type of field box is requested.
"""
# Create a widget box for the specified value_type
value_box = getattr(self, "create_type_%s" % (value_type))()
# Set this value_box in the layout
cur_item = self.box_layout.replaceWidget(self.value_box, value_box)
cur_item.widget().close()
del cur_item
# Save new value_box
self.value_box = value_box
# This function creates the value box for bools
def create_type_bool(self):
"""
Creates the field box for values of type 'bool' and returns it.
"""
# Create a checkbox for bools
bool_box = QW.QCheckBox()
bool_box.setToolTip("Boolean value for this entry type")
return (bool_box)
# This function creates the value box for floats
def create_type_float(self):
"""
Creates the field box for values of type 'float' and returns it.
"""
# Create a spinbox for floats
float_box = QW_QDoubleSpinBox()
float_box.setRange(-9999999, 9999999)
float_box.setDecimals(6)
float_box.setToolTip("Float value for this entry type")
return (float_box)
# This function creates the value box for integers
def create_type_int(self):
"""
Creates the field box for values of type 'int' and returns it.
"""
# Create a spinbox for integers
int_box = QW_QSpinBox()
int_box.setRange(-9999999, 9999999)
int_box.setToolTip("Integer value for this entry type")
return (int_box)
# This function creates the value box for strings
def create_type_str(self):
"""
Creates the field box for values of type 'str' and returns it.
"""
# Create a lineedit for strings
str_box = QW.QLineEdit()
str_box.setToolTip("String value for this entry type")
return (str_box)
# This function retrieves a value of this special box
def get_box_value(self):
"""
Returns the current value of the field box.
Returns
-------
value : bool, float, int or str
The current value of this default box.
"""
return (get_box_value(self.value_box))
# This function sets the value of this special box
def set_box_value(self, value):
"""
Sets the value type to `type(value)` and the field value to `value`.
Parameters
----------
value : bool, float, int or str
The value to use for this default box. The type of `value`
determines which field box must be used.
"""
set_box_value(self.type_box, self.type_dict[type(value)])
set_box_value(self.value_box, value)
class FigSizeBox(BaseBox):
"""
Defines the :class:`~FigSizeBox` class.
This class is used for making the 'figsize' entry in the
:class:`~prism._gui.widgets.preferences.KwargsDictDialogPage` class.
"""
@docstring_substitute(
optional=kwargs_doc.format('prism._gui.widgets.core.BaseBox'))
def __init__(self, *args, **kwargs):
"""
Initialize an instance of the :class:`~FigSizeBox` class.
%(optional)s
"""
# Call super constructor
super().__init__(*args, **kwargs)
# Create the figsize box
self.init()
# This function creates the figsize box
def init(self):
"""
Sets up the figure size entry after it has been initialized.
This function is mainly responsible for simply creating the two double
spinboxes that allow for the width and height to be set.
"""
# Create the box_layout
box_layout = QW.QHBoxLayout(self)
box_layout.setContentsMargins(0, 0, 0, 0)
self.setToolTip("Figure size dimensions to use for the projection "
"figure")
# Create two double spinboxes for the width and height
# WIDTH
width_box = QW_QDoubleSpinBox()
width_box.setRange(1, 9999999)
width_box.setSuffix("'")
width_box.setStepType(width_box.AdaptiveDecimalStepType)
width_box.setToolTip("Width (in inches) of projection figure")
self.width_box = width_box
# HEIGHT
height_box = QW_QDoubleSpinBox()
height_box.setRange(1, 9999999)
height_box.setSuffix("'")
height_box.setToolTip("Height (in inches) of projection figure")
self.height_box = height_box
# Also create a textlabel with 'X'
x_label = QW.QLabel('X')
x_label.setSizePolicy(QW.QSizePolicy.Fixed, QW.QSizePolicy.Fixed)
# Add everything to the box_layout
box_layout.addWidget(width_box)
box_layout.addWidget(x_label)
box_layout.addWidget(height_box)
# Set default value
set_box_value(self, rcParams['figure.figsize'])
# This function retrieves a value of this special box
def get_box_value(self):
"""
Returns the current width and height of this figsize box and returns
it.
Returns
-------
figsize : tuple
A tuple containing the width and height values of the figsize,
formatted as `(width, height)`.
"""
return ((get_box_value(self.width_box),
get_box_value(self.height_box)))
# This function sets the value of this special box
def set_box_value(self, value):
"""
Sets the current value of the figsize box to `value`.
Parameters
----------
value : tuple
A tuple containing the width and height values of the figsize,
formatted as `(width, height)`.
"""
set_box_value(self.width_box, value[0])
set_box_value(self.height_box, value[1])
class ColorMapBox(BaseBox):
"""
Defines the :class:`~ColorMapBox` class.
This class is used for making the 'cmap' entry in the
:class:`~prism._gui.widgets.preferences.KwargsDictDialogPage` class.
"""
@docstring_substitute(
optional=kwargs_doc.format('prism._gui.widgets.core.BaseBox'))
def __init__(self, *args, **kwargs):
"""
Initialize an instance of the :class:`~ColorMapBox` class.
%(optional)s
"""
# Call super constructor
super().__init__(*args, **kwargs)
# Create the colormap box
self.init()
# This function creates a combobox with colormaps
def init(self):
# Define set of CMasher colormaps that should be at the top
cmr_cmaps = sset(
['dusk', 'freeze', 'gothic', 'heat', 'rainforest', 'sunburst'])
# Check that all of those colormaps are available in CMasher
cmr_cmaps.intersection_update(cmr.cm.cmap_d)
# Obtain a set with default MPL colormaps that should be at the top
std_cmaps = sset(['cividis', 'inferno', 'magma', 'plasma', 'viridis'])
# Add CMasher colormaps to it
std_cmaps.update(['cmr.' + cmap for cmap in cmr_cmaps])
# Obtain reversed set of recommended colormaps
std_cmaps_r = sset([cmap + '_r' for cmap in std_cmaps])
# Obtain a list with all colormaps and their reverses
all_cmaps = sset(
[cmap for cmap in cm.cmap_d if not cmap.endswith('_r')])
all_cmaps_r = sset([cmap for cmap in cm.cmap_d if cmap.endswith('_r')])
# Gather all sets together
cmaps = (std_cmaps, std_cmaps_r, all_cmaps, all_cmaps_r)
# Determine the cumulative lengths of all four sets
cum_len = np.cumsum(list(map(len, cmaps)))
# Set the size for the colormap previews
cmap_size = (100, 15)
# If the colormap icons have not been created yet, do that now
if not hasattr(self, 'cmap_icons'):
cmap_icons = sdict()
for cmap in chain(all_cmaps, all_cmaps_r):
cmap_icons[cmap] = self.create_cmap_icon(cmap, cmap_size)
ColorMapBox.cmap_icons = cmap_icons
# Create a layout for this widget
box_layout = QW.QHBoxLayout(self)
box_layout.setContentsMargins(0, 0, 0, 0)
self.setToolTip("Colormap to be used for the corresponding plot type")
# Create a combobox for cmaps
cmaps_box = QW_QComboBox()
for cmap in chain(*cmaps):
cmap_icon = self.cmap_icons[cmap]
cmaps_box.addItem(cmap_icon, cmap)
# Add some separators
for i in reversed(cum_len[:-1]):
cmaps_box.insertSeparator(i)
cmaps_box.insertSeparator(cum_len[1] + 1)
# Set remaining properties
set_box_value(cmaps_box, rcParams['image.cmap'])
cmaps_box.setIconSize(QC.QSize(*cmap_size))
cmaps_box.currentTextChanged.connect(self.cmap_selected)
# Add cmaps_box to layout
box_layout.addWidget(cmaps_box)
self.cmaps_box = cmaps_box
# This function creates an icon of a colormap
@staticmethod
def create_cmap_icon(cmap, size):
"""
Creates a :obj:`~PyQt5.QtGui.QIcon` object of the given `cmap` with the
provided `size`.
Parameters
----------
cmap : :obj:`~matplotlib.colors.Colormap` object or str
The colormap for which an icon needs to be created.
size : tuple
A tuple containing the width and height dimension values of the
icon to be created.
Returns
-------
icon : :obj:`~PyQt5.QtGui.QIcon` object
The instance of the :class:`~PyQt5.QtGui.QIcon` class that was
created from the provided `cmap` and `size`.
"""
# Obtain the cmap
cmap = cm.get_cmap(cmap)
# Obtain the RGBA values of the colormap
# TODO: Figure out why setting 256 to cmap.N does not work for N > 256
x = np.linspace(0, 1, 256)
rgba = cmap(x)
# Convert to Qt RGBA values
rgba = [
QG.QColor(int(r * 255), int(g * 255), int(b * 255),
int(a * 255)).rgba() for r, g, b, a in rgba
]
# Create an image object
image = QG.QImage(256, 1, QG.QImage.Format_Indexed8)
# Set the value of every pixel in this image
image.setColorTable(rgba)
for i in range(256):
image.setPixel(i, 0, i)
# Scale the image to its proper size
image = image.scaled(*size)
# Convert the image to a pixmap
pixmap = QG.QPixmap.fromImage(image)
# Convert the pixmap to an icon
icon = QG.QIcon(pixmap)
# Return the icon
return (icon)
# This function checks a selected cmap
@QC.Slot(str)
def cmap_selected(self, cmap):
"""
Qt slot that checks a provided `cmap` and shows an error message if
`cmap` is a terrible colormap.
"""
# Make a tuple with terrible colormaps
bad_cmaps = ('gist_ncar', 'gist_rainbow', 'gist_stern', 'jet',
'nipy_spectral')
# If a terrible colormap is selected, show error message
if cmap.startswith(bad_cmaps):
# Create error message
err_msg = ("The selected <b><i>%s</i></b> cmap is terrible for "
"drawing PRISM's projection figures. To avoid "
"introducing fake perceptual features, it is "
"recommended to pick a <i>perceptually uniform "
"sequential</i> colormap, like the ones at the top of "
"this list.<br><br>"
"See <a href=\"%s\">here</a> for more information on "
"this subject." %
(cmap, ("https://cmasher.readthedocs.io/en/latest")))
# Show error window
QW.QMessageBox.warning(self, "%s WARNING" % (cmap.upper()),
err_msg)
# This function retrieves a value of this special box
def get_box_value(self):
"""
Returns the current colormap of the colormap box.
Returns
-------
cmap : :obj:`~matplotlib.colors.Colormap` object
The currently selected colormap.
"""
# Obtain the value
colormap = get_box_value(self.cmaps_box)
# Convert to matplotlib colormap
cmap = cm.get_cmap(colormap)
# Return it
return (cmap)
# This function sets the value of this special box
def set_box_value(self, cmap):
"""
Sets the current colormap to `cmap`.
Parameters
----------
cmap : :obj:`~matplotlib.colors.Colormap` object
The colormap that must be used for this colormap box.
"""
# Obtain the name of the provided colormap
name = cmap.name
# Set this as the current colormap
set_box_value(self.cmaps_box, name)
class ColorBox(BaseBox):
"""
Defines the :class:`~ColorBox` class.
This class is used for making the 'color' entry in the
:class:`~prism._gui.widgets.preferences.KwargsDictDialogPage` class.
"""
@docstring_substitute(
optional=kwargs_doc.format('prism._gui.widgets.core.BaseBox'))
def __init__(self, *args, **kwargs):
"""
Initialize an instance of the :class:`~ColorBox` class.
%(optional)s
"""
# Call super constructor
super().__init__(*args, **kwargs)
# Create the color box
self.init()
# This function creates the color box
def init(self):
"""
Sets up the color box entry after it has been initialized.
This function is mainly responsible for creating the color wheel and
color label, that allow the user to quickly cycle through different
color options.
"""
# Create the box layout
box_layout = QW.QHBoxLayout(self)
box_layout.setContentsMargins(0, 0, 0, 0)
self.setToolTip("Color to be used for the corresponding plot type")
# Declare the default color
self.default_color = rcParams['lines.color']
# Create a color label
color_label = self.create_color_label()
self.color_label = color_label
box_layout.addWidget(color_label)
# Create a color combobox
color_combobox = self.create_color_combobox()
box_layout.addWidget(color_combobox)
self.color_combobox = color_combobox
# Set the starting color of the color box
self.set_box_value(self.default_color)
# This function creates the color label
def create_color_label(self):
"""
Creates a special label that shows the currently selected or hovered
color, and returns it.
"""
# Create the color label
color_label = QW_QLabel()
# Set some properties
color_label.setFrameShape(QW.QFrame.StyledPanel)
color_label.setScaledContents(True)
color_label.setToolTip("Click to open the custom color picker")
color_label.setSizePolicy(QW.QSizePolicy.Fixed, QW.QSizePolicy.Fixed)
color_label.mousePressed.connect(self.show_colorpicker)
# Return it
return (color_label)
# This function creates the color combobox
def create_color_combobox(self):
"""
Creates a combobox that holds all default colors accepted by matplotlib
and returns it.
"""
# Obtain the CN colors
n_cyclic = len(rcParams['axes.prop_cycle'])
CN_COLORS = [("C%i" % (i), "This is MPL cyclic color #%i" % (i))
for i in range(n_cyclic)]
# Make tuple of all colors
colors = (CN_COLORS, BASE_COLORS, CSS4_COLORS)
# Determine the cumulative lengths of all four sets
cum_len = np.cumsum(list(map(len, colors)))
# Make combobox for colors
color_box = QW_QEditableComboBox()
# Fill combobox with all colors
for i, color in enumerate(chain(*colors)):
# If color is a tuple, it consists of (color, tooltip)
if isinstance(color, tuple):
color_box.addItem(color[0])
color_box.setItemData(i, color[1], QC.Qt.ToolTipRole)
else:
color_box.addItem(color)
# Add some separators
for i in reversed(cum_len[:-1]):
color_box.insertSeparator(i)
# Set remaining properties
color_box.setToolTip("Select or type (in HEX) the color")
color_box.highlighted[str].connect(self.set_color_label)
color_box.popup_hidden[str].connect(self.set_color_label)
color_box.currentTextChanged.connect(self.set_color)
return (color_box)
# This function converts an MPL color to a QColor
@staticmethod
def convert_to_qcolor(color):
"""
Converts a provided matplotlib color `color` to a
:obj:`~PyQt5.QtGui.QColor` object.
Parameters
----------
color : str
The matplotlib color that must be converted.
If `color` is a float string, an error will be raised, as Qt5 does
not accept those.
Returns
-------
qcolor : :obj:`~PyQt5.QtGui.QColor` object
The instance of the :class:`~PyQt5.QtGui.QColor` class that
corresponds to the provided `color`.
"""
# If the color can be converted to a float, raise a ValueError
# This is because MPL accepts float strings as valid colors
try:
float(color)
except ValueError:
pass
else:
raise ValueError
# Obtain the RGBA values of an MPL color
r, g, b, a = to_rgba(color)
# Convert to Qt RGBA values
color = QG.QColor(int(r * 255), int(g * 255), int(b * 255),
int(a * 255))
# Return color
return (color)
# This function converts a QColor to an MPL color
@staticmethod
def convert_to_mpl_color(qcolor):
"""
Converts a provided :obj:`~PyQt5.QtGui.QColor` object `color` to a
matplotlib color.
Parameters
----------
qcolor : :obj:`~PyQt5.QtGui.QColor` object
The instance of the :class:`~PyQt5.QtGui.QColor` class must be
converted to a matplotlib color.
Returns
-------
color : str
The corresponding matplotlib color.
The returned `color` is always written in HEX.
"""
hexid = qcolor.name()
return str(hexid)
# This function creates a pixmap of an MPL color
@staticmethod
def create_color_pixmap(color, size):
"""
Creates a :obj:`~PyQt5.QtGui.QPixmap` object consisting of the given
`color` with the provided `size`.
Parameters
----------
color : str
The matplotlib color that must be used for the pixmap.
size : tuple
The width and height dimension values of the pixmap to be created.
Returns
-------
pixmap : :obj:`~PyQt5.QtGui.QPixmap` object
The instance of the :class:`~PyQt5.QtGui.QPixmap` class that was
created from the provided `color` and `size`.
"""
# Obtain the RGBA values of an MPL color
color = ColorBox.convert_to_qcolor(color)
# Create an image object
image = QG.QImage(*size, QG.QImage.Format_RGB32)
# Fill the entire image with the same color
image.fill(color)
# Convert the image to a pixmap
pixmap = QG.QPixmap.fromImage(image)
# Return the pixmap
return (pixmap)
# This function shows the custom color picker dialog
@QC.Slot()
@docstring_substitute(qt_slot=qt_slot_doc)
def show_colorpicker(self):
"""
Shows the colorwheel picker dialog to the user, allowing for any color
option to be selected.
%(qt_slot)s
"""
# Obtain current qcolor
qcolor = self.convert_to_qcolor(self.get_box_value())
# Show color dialog
color = QW.QColorDialog.getColor(
qcolor, parent=self, options=QW.QColorDialog.DontUseNativeDialog)
# If the returned color is valid, save it
if color.isValid():
self.set_color(self.convert_to_mpl_color(color))
# This function sets a given color as the current color
@QC.Slot(str)
@docstring_substitute(qt_slot=qt_slot_doc)
def set_color(self, color):
"""
Sets the current color to the provided `color`, and updates the entry
in the combobox and the label accordingly.
%(qt_slot)s
Parameters
----------
color : str
The color that needs to be used as the current color. The provided
`color` can be any string that is accepted as a color by
matplotlib.
If `color` is invalid, it is set to the current default color
instead.
"""
# If color can be converted to a hex integer, do so and add hash to it
try:
int(color, 16)
except ValueError:
pass
else:
# Make sure that color has a length of 6
if (len(color) == 6):
color = "#%s" % (color)
# Set the color label
default_flag = self.set_color_label(color)
# If default was not used, set the combobox to the proper value as well
if not default_flag:
set_box_value(self.color_combobox, color)
# This function sets the color of the colorlabel
@QC.Slot(str)
@docstring_substitute(qt_slot=qt_slot_doc)
def set_color_label(self, color):
"""
Sets the current color label to the provided `color`.
%(qt_slot)s
Parameters
----------
color : str
The color that needs to be used as the current color label. The
provided `color` can be any string that is accepted as a color by
matplotlib.
If `color` is invalid, it is set to the current default color
instead.
Returns
-------
default_flag : bool
Whether or not the color label is currently set to the default
color. This happens when `color` is an invalid color.
"""
# Try to create the pixmap of the colorlabel
try:
pixmap = self.create_color_pixmap(
color, (70, self.color_combobox.height() - 2))
default_flag = False
# If that cannot be done, create the default instead
except ValueError:
pixmap = self.create_color_pixmap(
self.default_color, (70, self.color_combobox.height() - 2))
default_flag = True
# Set the colorlabel
self.color_label.setPixmap(pixmap)
# Return if default was used or not
return (default_flag)
# This function retrieves a value of this special box
def get_box_value(self):
"""
Returns the current (valid) color value of the color combobox.
Returns
-------
color : str
The current valid matplotlib color value.
"""
# Obtain the value
color = get_box_value(self.color_combobox)
# Try to convert this to QColor
try:
self.convert_to_qcolor(color)
# If this fails, return the default color
except ValueError:
return (self.default_color)
# Else, return the retrieved color
else:
return (color)
# This function sets the value of this special box
def set_box_value(self, value):
"""
Sets the current (default) color value to `value`.
Parameters
----------
value : str
The matplotlib color value that must be set for this colorbox.
"""
self.set_color(value)
self.default_color = value
self.color_combobox.lineEdit().setPlaceholderText(value)
class MainViewerWindow(QW.QMainWindow):
"""
Defines the :class:`~MainViewerWindow` class for the Projection GUI.
This class provides the main window for the GUI and combines all other
widgets; layouts; and elements together.
"""
# Create signal for exception that are raised
exception = QC.Signal()
# Initialize MainViewerWindow class
@docstring_substitute(optional=kwargs_doc.format(
'PyQt5.QtWidgets.QMainWindow'))
def __init__(self, pipeline_obj, *args, **kwargs):
"""
Initialize an instance of the :class:`~MainViewerWindow` class.
Parameters
----------
pipeline_obj : :obj:`~prism.Pipeline` object
Instance of the :class:`~prism.Pipeline` class for which the GUI
needs to be initialized.
%(optional)s
"""
# Save pipeline_obj as pipe
self.pipe = pipeline_obj
# Call super constructor
super().__init__(*args, **kwargs)
# Set up the main window
self.init()
# This function sets up the main window
def init(self):
"""
Sets up the main window after it has been initialized.
This function is mainly responsible for initializing all other widgets
that are required to make the GUI work, and connecting them together.
"""
# Tell the Projection class that the GUI is being used
self.all_set_proj_attr('use_GUI', 1)
# Determine the last emulator iteration
emul_i = self.pipe._make_call('_emulator._get_emul_i', None)
# Try to prepare projections for all iterations
try:
self.all_call_proj_attr('prepare_projections',
emul_i, None, force=False, figure=True)
# If this raises a RequestError, the last iteration cannot be prepared
except RequestError as error:
# If that happens, emit a warning about it
warnings.warn("%s. Falling back to previous iteration."
% (error), RequestWarning, stacklevel=2)
# Reprepare up to the previous iteration
self.all_call_proj_attr('prepare_projections',
emul_i-1, None, force=False, figure=True)
# Save some statistics about pipeline and modellink
self.n_par = self.pipe._modellink._n_par
# Make sure that the viewer is deleted when window is closed
self.setAttribute(QC.Qt.WA_DeleteOnClose)
# Disable the default context menu (right-click menu)
self.setContextMenuPolicy(QC.Qt.NoContextMenu)
# Set window icon and title
self.setWindowTitle(APP_NAME)
self.setWindowIcon(QG.QIcon(APP_ICON_PATH))
# Create statusbar
self.create_statusbar()
# Prepare the windows and toolbars menus
self.windows_menu = QW_QMenu(self, '&Windows')
self.toolbars_menu = QW_QMenu(self, '&Toolbars')
# Get default positions of all dock widgets
self.default_pos = self.get_default_dock_positions()
# OVERVIEW DOCK WIDGET
# Create the projection overview dock widget
self.overview_dock = OverviewDockWidget(self)
# Create an action for enabling/disabling the overview
proj_overview_act = self.overview_dock.toggleViewAction()
proj_overview_act.setShortcut(QC.Qt.ALT + QC.Qt.SHIFT + QC.Qt.Key_O)
proj_overview_act.setStatusTip("Enable/disable the 'Overview' window")
self.windows_menu.addAction(proj_overview_act)
# VIEWING AREA DOCK WIDGET
# Create the projection viewing area dock widget
self.area_dock = ViewingAreaDockWidget(self)
# Create an action for enabling/disabling the viewing area
proj_area_act = self.area_dock.toggleViewAction()
proj_area_act.setShortcut(QC.Qt.ALT + QC.Qt.SHIFT + QC.Qt.Key_V)
proj_area_act.setStatusTip("Enable/disable the 'Viewing area' window")
self.windows_menu.addAction(proj_area_act)
# Create menubar
self.create_menubar()
self.menubar.setFocus()
# Set resolution of window
self.resize(800, 600)
# Set all dock widgets to their default positions
self.set_default_dock_positions()
# Set the exception handler to an internal message window
gui_excepthook = partial(show_exception_details, self)
sys.excepthook = gui_excepthook
# Turn off all regular logging in Pipeline
self.was_logging = bool(self.pipe.do_logging)
self.pipe._make_call('__setattr__', 'do_logging', False)
# This function creates the menubar in the viewer
def create_menubar(self):
"""
Creates the top-level menubar of the main window.
Other widgets can modify this menubar to add additional actions to it.
"""
# Obtain menubar
self.menubar = self.menuBar()
# FILE
# Create file menu
file_menu = self.menubar.addMenu('&File')
# Add save action to file menu
save_act = QW_QAction(
self, '&Save view as...',
shortcut=QG.QKeySequence.Save,
statustip="Save current projection viewing area as an image",
triggered=self.area_dock.save_view,
role=QW_QAction.ApplicationSpecificRole)
file_menu.addAction(save_act)
# Add quit action to file menu
quit_act = QW_QAction(
self, '&Quit',
shortcut=QG.QKeySequence.Quit,
statustip="Quit %s" % (APP_NAME),
triggered=self.close,
role=QW_QAction.QuitRole)
file_menu.addAction(quit_act)
# TOOLS
# Create tools menu, which includes all actions in the proj_toolbar
tools_menu = self.menubar.addMenu('&Tools')
tools_menu.addActions(self.area_dock.proj_toolbar.actions())
# VIEW
# Create view menu
view_menu = self.menubar.addMenu('&View')
# Add the windows submenu to view menu
view_menu.addMenu(self.windows_menu)
# Add default layout action to view menu
default_layout_act = QW_QAction(
self, '&Default layout',
statustip=("Reset all windows and toolbars back to their default "
"layout"),
triggered=self.set_default_dock_positions)
view_menu.addAction(default_layout_act)
# Add a separator
view_menu.addSeparator()
# Add the toolbars submenu to view menu
view_menu.addMenu(self.toolbars_menu)
# HELP
# Create help menu
help_menu = self.menubar.addMenu('&Help')
# Add options action to help menu
self.options = OptionsDialog(self)
options_act = QW_QAction(
self, '&Preferences',
shortcut=QC.Qt.CTRL + QC.Qt.Key_P,
statustip="Adjust viewer preferences",
triggered=self.options,
role=QW_QAction.PreferencesRole)
help_menu.addAction(options_act)
# Add details action to help menu
details_act = QW_QAction(
self, '&Details',
shortcut=QC.Qt.CTRL + QC.Qt.Key_D,
statustip=("Show the pipeline details overview of a specified "
"iteration"),
triggered=self.show_pipeline_details_overview,
role=QW_QAction.ApplicationSpecificRole)
help_menu.addAction(details_act)
# Add a separator
help_menu.addSeparator()
# Add API reference action to help menu
apiref_act = QW_QAction(
self, 'API reference',
statustip="Open %s's API reference in a webbrowser" % (APP_NAME),
triggered=self.api_reference,
role=QW_QAction.ApplicationSpecificRole)
help_menu.addAction(apiref_act)
# Add a separator
help_menu.addSeparator()
# Add about action to help menu
about_act = QW_QAction(
self, '&About...',
statustip="About %s" % (APP_NAME),
triggered=self.about,
role=QW_QAction.AboutRole)
help_menu.addAction(about_act)
# Add aboutQt action to help menu
aboutqt_act = QW_QAction(
self, 'About &Qt...',
statustip="About Qt framework",
triggered=QW.QApplication.aboutQt,
role=QW_QAction.AboutQtRole)
help_menu.addAction(aboutqt_act)
# This function creates the statusbar in the viewer
def create_statusbar(self):
"""
Creates the bottom-level statusbar of the main window, primarily used
for displaying extended descriptions of actions.
"""
# Obtain statusbar
self.statusbar = self.statusBar()
# This function creates a message box with the 'about' information
@QC.Slot()
@docstring_substitute(qt_slot=qt_slot_doc)
def about(self):
"""
Displays a small section with information about the GUI.
%(qt_slot)s
"""
# Make shortcuts for certain links
github_repo = "https://github.com/1313e/PRISM"
# Create the text for the 'about' dialog
text = dedent(r"""
<b>{name} | <a href="{github}">PRISM</a> v{version}</b><br>
Copyright © 2019 Ellert van der Velden<br>
Distributed under the
<a href="{github}/raw/master/LICENSE">BSD-3 License</a>.
""".format(name=APP_NAME,
version=__version__,
github=github_repo))
# Create the 'about' dialog
QW.QMessageBox.about(self, "About %s" % (APP_NAME), text)
# This function opens the RTD API reference documentation in a webbrowser
@QC.Slot()
@docstring_substitute(qt_slot=qt_slot_doc)
def api_reference(self):
"""
Opens the API reference documentation of the GUI in a webbrowser.
%(qt_slot)s
"""
# Open webbrowser
QG.QDesktopServices.openUrl(QC.QUrl(
"https://prism-tool.readthedocs.io/en/latest/api/prism._gui.html"))
# This function is called when the viewer is closed
def closeEvent(self, *args, **kwargs):
"""
Special :meth:`~PyQt5.QtWidgets.QWidget.closeEvent` event that
automatically performs some clean-up operations before the main window
closes.
"""
# Call the closeEvent of the dock widgets
self.overview_dock.close()
self.area_dock.close()
# Save that Projection GUI is no longer being used
self.all_set_proj_attr('use_GUI', 0)
# Set data parameters in Projection class back to defaults
self.options.reset_options()
# Set logging in Pipeline back to what it was before
self.pipe._make_call('__setattr__', 'do_logging', self.was_logging)
# Set the excepthook back to its default value
sys.excepthook = sys.__excepthook__
# Close the main window
super().closeEvent(*args, **kwargs)
# This function allows for projection attributes to be set more easily
def set_proj_attr(self, name, value):
"""
Sets the requested :class:`~prism._projection.Projection` attribute
`name` to `value` on the controller rank.
"""
# Set the attribute
setattr(self.pipe, '_Projection__%s' % (name), value)
# This function is an MPI-version of set_proj_attr
def all_set_proj_attr(self, name, value):
"""
Sets the requested :class:`~prism._projection.Projection` attribute
`name` to `value` on all ranks.
"""
# Set the attribute on all ranks
self.pipe._make_call('__setattr__', '_Projection__%s' % (name), value)
# This function allows for projection attributes to be read more easily
def get_proj_attr(self, name):
"""
Gets the value of the requested :class:`~prism._projection.Projection`
attribute `name` on the controller rank.
"""
# Retrieve the attribute
return(getattr(self.pipe, '_Projection__%s' % (name)))
# This function allows for projection attributes to be called more easily
def call_proj_attr(self, name, *args, **kwargs):
"""
Calls the requested :class:`~prism._projection.Projection` attribute
`name` using the provided `args` and `kwargs` on the controller rank.
"""
# Call the attribute
return(getattr(self.pipe, '_Projection__%s' % (name))(*args, **kwargs))
# This function is an MPI-version of call_proj_attr
def all_call_proj_attr(self, name, *args, **kwargs):
"""
Calls the requested :class:`~prism._projection.Projection` attribute
`name` using the provided `args` and `kwargs` on all ranks.
"""
# Call the attribute on all ranks
return(self.pipe._make_call('_Projection__%s' % (name),
*args, **kwargs))
# This function returns the default positions of dock widgets and toolbars
def get_default_dock_positions(self):
"""
Returns the default positions of all dock widgets connected to the main
window.
"""
# Make dict including the default docking positions
default_pos = {
'Viewing area': QC.Qt.RightDockWidgetArea,
'Overview': QC.Qt.LeftDockWidgetArea}
# Return it
return(default_pos)
# This function sets dock widgets and toolbars to their default position
@QC.Slot()
@docstring_substitute(qt_slot=qt_slot_doc)
def set_default_dock_positions(self):
"""
Sets the positions of all dock widgets connected to the main window to
their default positions.
%(qt_slot)s
"""
# Set the dock widgets and toolbars to their default positions
# OVERVIEW
self.overview_dock.setVisible(True)
self.overview_dock.setFloating(False)
self.addDockWidget(self.default_pos['Overview'], self.overview_dock)
# VIEWING AREA
self.area_dock.setVisible(True)
self.area_dock.setFloating(False)
self.addDockWidget(self.default_pos['Viewing area'], self.area_dock)
self.area_dock.set_default_dock_positions()
# This function shows the details() overview of a given emulator iteration
@QC.Slot()
@docstring_substitute(qt_slot=qt_slot_doc)
def show_pipeline_details_overview(self):
"""
Creates and shows a dialog containing the output of the
:meth:`~prism.Pipeline.details` method for all emulator iterations.
%(qt_slot)s
"""
# Make a details dialog
details_box = QW.QDialog(self)
details_box.setWindowModality(QC.Qt.NonModal)
details_box.setAttribute(QC.Qt.WA_DeleteOnClose)
details_box.setWindowFlags(
QC.Qt.MSWindowsOwnDC |
QC.Qt.Window |
QC.Qt.WindowTitleHint |
QC.Qt.WindowSystemMenuHint |
QC.Qt.WindowCloseButtonHint)
details_box.setWindowTitle("%s: Pipeline details" % (APP_NAME))
# Create a layout for this dialog
layout = QW.QVBoxLayout(details_box)
# Obtain the latest emul_i
emul_i = self.pipe._emulator._emul_i
# Create a details tab widget
tab_widget = QW.QTabWidget()
tab_widget.setCornerWidget(QW.QLabel("Emulator iteration:"),
QC.Qt.TopLeftCorner)
tab_widget.setUsesScrollButtons(True)
tab_widget.setStyleSheet(
"""
QTabWidget::pane {
padding: 1px;}
QTabWidget::tab-bar {
left: 10px;}
""")
layout.addWidget(tab_widget)
# Loop over all emulator iterations and add their pages
for i in range(1, emul_i+1):
# Initialize a StringIO stream to capture the output with
with StringIO() as string_stream:
# Use this stream to capture the overview of details()
with redirect_stdout(string_stream):
# Obtain the details at specified emulator iteration
self.pipe._make_call('details', i)
# Save the entire string stream as a separate object
details = string_stream.getvalue()
# Strip gathered details of all whitespaces
details = details.strip()
# Cut everything off before "GENERAL"
index = details.find("GENERAL")
details = details[index:]
# Now split details up line-by-line
details = details.splitlines()
# Remove all empty lines in details
while True:
try:
details.remove('')
except ValueError:
break
# Search for lines that are in all caps, which are group titles
group_idx = [j for j, line in enumerate(details)
if line.isupper() and line[0].isalpha()]
group_idx.append(-1)
# Create an empty ordered dict with groups
groups = odict()
# Split details at these indices
for j, k in zip(group_idx[:-1], group_idx[1:]):
# Extract the part of the list for this group
group = details[j:k]
# Extract the name and entry for this group
name = group[0].capitalize()
entry = group[1:]
# If first or last lines contain dashes, remove
if(entry[-1].count('-') == len(entry[-1])):
entry.pop(-1)
if(entry[0].count('-') == len(entry[0])):
entry.pop(0)
# Loop over all remaining lines in entry and split at \t
entry = [line.split('\t') for line in entry]
# Add this group entry to the dict
groups[name] = entry
# Make a details layout
details_layout = QW.QVBoxLayout()
details_layout.setSizeConstraint(QW.QLayout.SetFixedSize)
# Make QGroupBoxes for all groups
for name, entry in groups.items():
# Make a QGroupBox for this group
group = QW.QGroupBox(name)
details_layout.addWidget(group)
group_layout = QW.QFormLayout()
group.setLayout(group_layout)
# Loop over all lines in this group's entry
for line in entry:
# If line is a list with one element, it spans both columns
if(len(line) == 1):
# Extract this one element
line = line[0]
# If line is solely dashes, add a separator
if(line.count('-') == len(line)):
sep_line = QW.QFrame()
sep_line.setFrameShape(sep_line.HLine)
sep_line.setFrameShadow(sep_line.Sunken)
group_layout.addRow(sep_line)
# If not, add line as a QLabel
else:
group_layout.addRow(QW.QLabel(line))
# Else, it contains two elements
else:
group_layout.addRow(*map(QW.QLabel, line))
# Add a stretch to the layout
details_layout.addStretch()
# Add this details_layout to a new widget
details_tab = QW.QWidget(details_box)
details_tab.setLayout(details_layout)
# Add the tab to a scrollarea
scrollarea = QW.QScrollArea(details_box)
scrollarea.setFrameStyle(QW.QFrame.NoFrame)
scrollarea.setContentsMargins(0, 0, 0, 0)
scrollarea.setWidgetResizable(True)
scrollarea.setHorizontalScrollBarPolicy(QC.Qt.ScrollBarAlwaysOff)
scrollarea.horizontalScrollBar().setEnabled(False)
scrollarea.setWidget(details_tab)
# Set size constraints on the scrollarea
scrollarea.setMaximumHeight(details_tab.height() + 2)
# Add it to the tab_widget
tab_widget.addTab(scrollarea, "&%i" % (i))
# Set size constraints on the details box
details_box.setFixedWidth(tab_widget.sizeHint().width() +
scrollarea.verticalScrollBar().width() +
layout.contentsMargins().left() +
layout.contentsMargins().right())
details_box.setMaximumHeight(scrollarea.maximumHeight() +
tab_widget.tabBar().sizeHint().height() +
layout.contentsMargins().top() +
layout.contentsMargins().bottom())
# Show the details message box
details_box.show()
class OptionsDialog(QW.QDialog):
"""
Defines the :class:`~OptionsDialog` class for the Projection GUI.
This class provides both the 'Preferences' dialog and the functions that
are required to load; save; set; and change them.
"""
# Create saving, resetting and discarding signals
saving = QC.Signal()
resetting = QC.Signal()
discarding = QC.Signal()
@e13.docstring_substitute(optional=kwargs_doc.format(
'PyQt5.QtWidgets.QDialog'))
def __init__(self, main_window_obj, *args, **kwargs):
"""
Initialize an instance of the :class:`~OptionsDialog` class.
Parameters
----------
main_window_obj : :obj:`~prism._gui.widgets.MainViewerWindow` object
Instance of the :class:`~prism._gui.widgets.MainViewerWindow` class
that acts as the parent of this dialog.
%(optional)s
"""
# Save provided MainWindow object
self.main = main_window_obj
self.pipe = self.main.pipe
self.n_par = self.main.n_par
self.set_proj_attr = self.main.set_proj_attr
self.all_set_proj_attr = self.main.all_set_proj_attr
self.get_proj_attr = self.main.get_proj_attr
self.call_proj_attr = self.main.call_proj_attr
self.all_call_proj_attr = self.main.all_call_proj_attr
# Call super constructor
super().__init__(self.main, *args, **kwargs)
# Create the options window
self.init()
# This function shows the options window
@QC.Slot()
def __call__(self):
"""
Qt slot that shows the options dialog in the center of the main window.
"""
# Show it
self.show()
# Move the options window to the center of the main window
self.move(self.main.geometry().center()-self.rect().center())
# This function overrides the closeEvent method
def closeEvent(self, *args, **kwargs):
"""
Special :meth:`~PyQt5.QtWidgets.QWidget.closeEvent` event that makes
sure that all dialogs will be closed related to the options menu, and
discards all changes made.
"""
# Make sure the kwargs dict dialog is closed
self.dict_dialog.close()
# Close the window
super().closeEvent(*args, **kwargs)
# Set all option boxes back to their saved values
self.discard_options()
# This function creates the options window
def init(self):
"""
Sets up the options dialog after it has been initialized.
This function is mainly responsible for initializing all option entries
that the GUI has, and creating a database for them. It also creates the
layout of the options dialog.
"""
# Create a window layout
window_layout = QW.QVBoxLayout(self)
# Create a tab widget
window_tabs = QW.QTabWidget()
window_layout.addWidget(window_tabs)
# Create a options dict
self.option_entries = sdict()
# Define list with all tabs that should be available in what order
option_tabs = ['general', 'appearance']
# Include all tabs named in options_tabs
for tab in option_tabs:
window_tabs.addTab(*getattr(self, 'create_tab_%s' % (tab))())
# Also add the buttons
self.create_group_buttons(window_layout)
# Set a few properties of options window
self.setWindowModality(QC.Qt.WindowModal) # Modality
self.setWindowTitle("Preferences") # Title
# Add a new method to self.main
self.main.get_option = self.get_option
# This function returns the value of a specific option
def get_option(self, name):
"""
Returns the value of the option entry associated with the given `name`.
"""
return(self.option_entries[name].value)
# This function creates a new options entry
def create_entry(self, name, box, default):
"""
Creates a new :class:`~OptionsEntry` instance, using the provided
`name`, `box` and `default`, and registers it in the options dialog.
Parameters
----------
name : str
The name of this options entry.
box : :obj:`~PyQt5.QtWidgets.QWidget` object
The widget that will hold the values of this entry.
default : object
The default value of this entry.
"""
# Create new options entry
entry = OptionsEntry(self, name, box, default)
# Connect box signals
get_modified_box_signal(box).connect(self.enable_save_button)
# Connect entry slots
self.saving.connect(entry.save_value)
self.resetting.connect(entry.reset_value)
self.discarding.connect(entry.discard_value)
# Add new entry to option_entries
self.option_entries[name] = entry
# This function creates a new tab
def create_tab(self, name, groups_list):
"""
Creates a new options tab with the given `name` and adds the groups
defined in `groups_list` to it.
This function acts as a base function called by `create_tab_`
functions.
Parameters
----------
name : str
The name of this options tab.
groups_list : list of str
A list containing the names of all option groups that need to be
added to this tab.
Returns
-------
tab : :obj:`~PyQt5.QtWidgets.QWidget` object
The created options tab.
name : str
The name of this options tab as provided with `name`.
This variable is mainly returned such that it is easier to pass tab
names between functions.
"""
# Create a tab
tab = QW.QWidget()
layout = QW.QVBoxLayout()
tab.setLayout(layout)
# Include all groups named in groups_list
for group in groups_list:
layout.addWidget(getattr(self, 'create_group_%s' % (group))())
# Add a stretch
layout.addStretch()
# Return tab
return(tab, name)
# This function creates a new group
def create_group(self, name, options_list):
"""
Creates a new option group with the given `name` and adds the options
defined in `options_list` to it.
This function acts as a base function called by `create_group_`
functions.
Parameters
----------
name : str
The name of this option group.
options_list : list of str
A list containing the names of all options that need to be added to
this group.
Returns
-------
group : :obj:`~PyQt5.QtWidgets.QGroupBox` object
The created option group.
"""
# Create a group
group = QW.QGroupBox(name)
layout = QW.QFormLayout()
group.setLayout(layout)
# Include all options named in options_list
for option in options_list:
layout.addRow(*getattr(self, 'create_option_%s' % (option))())
# Return group
return(group)
# GENERAL TAB
def create_tab_general(self):
"""
Creates the 'General' tab and returns it.
"""
self.proj_defaults = sdict(self.get_proj_attr('proj_kwargs'))
self.proj_keys = list(self.proj_defaults.keys())
self.proj_keys.remove('align')
self.proj_keys.extend(['align_col', 'align_row'])
return(self.create_tab("General", ['proj_grid', 'proj_kwargs']))
# INTERFACE TAB
def create_tab_appearance(self):
"""
Creates the 'Appearance' tab and returns it.
"""
return(self.create_tab("Appearance", ['interface']))
# PROJ_GRID GROUP
def create_group_proj_grid(self):
"""
Creates the 'Projection grid' group and returns it.
"""
return(self.create_group("Projection grid",
['proj_res', 'proj_depth']))
# PROJ_KWARGS GROUP
def create_group_proj_kwargs(self):
"""
Creates the 'Projection keywords' group and returns it.
"""
return(self.create_group("Projection keywords",
['align', 'show_cuts', 'smooth',
'use_par_space', 'full_impl_rng',
'kwargs_dicts']))
# INTERFACE GROUP
def create_group_interface(self):
"""
Creates the 'Interface' group and returns it.
"""
return(self.create_group("Interface", ['auto_show', 'auto_tile',
'progress_dialog']))
# FONTS GROUP
def create_group_fonts(self): # pragma: no cover
"""
Creates the 'Fonts' group and returns it.
"""
return(self.create_group("Fonts", ['text_fonts']))
# TEXT_FONTS OPTION
# TODO: Further implement this
def create_option_text_fonts(self): # pragma: no cover
"""
Creates the 'text_fonts' option and returns it.
This option allows for the fonts used in the GUI to be modified.
"""
# PLAIN TEXT
# Create a font families combobox
plain_box = QW.QFontComboBox()
plain_box.setFontFilters(QW.QFontComboBox.MonospacedFonts)
plain_box.setEditable(True)
plain_box.setInsertPolicy(plain_box.NoInsert)
plain_box.completer().setCompletionMode(QW.QCompleter.PopupCompletion)
# Create a font size spinbox
plain_size = QW_QSpinBox()
plain_size.setRange(7, 9999999)
plain_size.setSuffix(" pts")
# RICH TEXT
# Create a font families combobox
rich_box = QW.QFontComboBox()
rich_box.setEditable(True)
rich_box.setInsertPolicy(rich_box.NoInsert)
rich_box.completer().setCompletionMode(QW.QCompleter.PopupCompletion)
# Create a font size spinbox
rich_size = QW_QSpinBox()
rich_size.setRange(7, 9999999)
rich_size.setSuffix(" pts")
# Create a grid for the families and size boxes
font_grid = QW.QGridLayout()
font_grid.setColumnStretch(1, 2)
font_grid.setColumnStretch(3, 1)
# Add everything to this grid
font_grid.addWidget(QW.QLabel("Plain text:"), 0, 0)
font_grid.addWidget(plain_box, 0, 1)
font_grid.addWidget(QW.QLabel("Size:"), 0, 2)
font_grid.addWidget(plain_size, 0, 3)
font_grid.addWidget(QW.QLabel("Rich text:"), 1, 0)
font_grid.addWidget(rich_box, 1, 1)
font_grid.addWidget(QW.QLabel("Size:"), 1, 2)
font_grid.addWidget(rich_size, 1, 3)
font_grid.addWidget(QW.QLabel("NOTE: Does not work yet"), 2, 0, 1, 4)
# Return the grid
return(font_grid,)
# DPI OPTION
# TODO: Further implement this one as well
def create_option_dpi(self): # pragma: no cover
"""
Creates the 'dpi' option and returns it.
This option allows for the DPI used in the GUI to be modified.
"""
# Make a checkbox for setting a custom DPI scaling
dpi_check = QW.QCheckBox("Custom DPI scaling:")
dpi_check.setToolTip("Set this to enable custom DPI scaling of the "
"GUI")
self.create_entry('dpi_flag', dpi_check, False)
# Make a spinbox for setting the DPI scaling
dpi_box = QW_QDoubleSpinBox()
dpi_box.setRange(0, 100)
dpi_box.setSuffix("x")
dpi_box.setSpecialValueText("Auto")
dpi_box.setToolTip("Custom DPI scaling factor to use. "
"'1.0' is no scaling. "
"'Auto' is automatic scaling.")
dpi_check.toggled.connect(dpi_box.setEnabled)
dpi_box.setEnabled(False)
self.create_entry('dpi_scaling', dpi_box, 1.0)
# Return DPI box
return(dpi_check, dpi_box)
# AUTO_TILE OPTION
def create_option_auto_tile(self):
"""
Creates the 'auto_tile' option and returns it.
This option sets whether the projection subwindows are automatically
tiled.
"""
# Make check box for auto tiling
auto_tile_box = QW.QCheckBox("Auto-tile subwindows")
auto_tile_box.setToolTip("Set this to automatically tile all "
"projection subwindows whenever a new one is "
"added")
self.create_entry('auto_tile', auto_tile_box, True)
# Return auto_tile box
return(auto_tile_box,)
# AUTO_SHOW OPTION
def create_option_auto_show(self):
"""
Creates the 'auto_show' option and returns it.
This option sets whether the projection subwindows are automatically
shown whenever created.
"""
# Make check box for auto showing projection figures/subwindows
auto_show_box = QW.QCheckBox("Auto-show subwindows")
auto_show_box.setToolTip("Set this to automatically show a projection "
"subwindow after it has been drawn")
self.create_entry('auto_show', auto_show_box, True)
# Return auto_show box
return(auto_show_box,)
# PROGRESS_DIALOG OPTION
def create_option_progress_dialog(self):
"""
Creates the 'progress_dialog' option and returns it.
This option sets whether a threaded progress dialog is used for some
operations.
"""
# Make check box for using a threaded progress dialog
progress_dialog_box = QW.QCheckBox("Use threaded progress dialog")
progress_dialog_box.setToolTip(
"Set this to use a threaded progress dialog whenever projections "
"are created or drawn.\nThis allows for the operation to be "
"monitored and/or aborted, but also slows down the execution")
self.create_entry('use_progress_dialog', progress_dialog_box, True)
# Return progress_dialog box
return(progress_dialog_box,)
# PROJ_RES OPTION
def create_option_proj_res(self):
"""
Creates the 'proj_res' option and returns it.
This option sets the value of the 'proj_res' projection parameter.
"""
# Make spinbox for option proj_res
proj_res_box = QW_QSpinBox()
proj_res_box.setRange(0, 9999999)
proj_res_box.setToolTip(proj_res_doc)
self.create_entry('proj_res', proj_res_box,
self.proj_defaults['proj_res'])
# Return resolution box
return('Resolution:', proj_res_box)
# PROJ_DEPTH OPTION
def create_option_proj_depth(self):
"""
Creates the 'proj_depth' option and returns it.
This option sets the value of the 'proj_depth' projection parameter.
"""
# Make spinbox for option proj_depth
proj_depth_box = QW_QSpinBox()
proj_depth_box.setRange(0, 9999999)
proj_depth_box.setToolTip(proj_depth_doc)
self.create_entry('proj_depth', proj_depth_box,
self.proj_defaults['proj_depth'])
# Return depth box
return('Depth:', proj_depth_box)
# ALIGN OPTION
def create_option_align(self):
"""
Creates the 'align' option and returns it.
This option sets the value of the 'align' projection parameter.
"""
# Column align
align_col_box = QW.QRadioButton('Column')
align_col_box.setToolTip("Align the projection subplots in a single "
"column")
self.create_entry('align_col', align_col_box,
self.proj_defaults['align'] == 'col')
# Row align
align_row_box = QW.QRadioButton('Row')
align_row_box.setToolTip("Align the projection subplots in a single "
"row")
self.create_entry('align_row', align_row_box,
self.proj_defaults['align'] == 'row')
# Create layout for align and add it to options layout
align_box = QW.QHBoxLayout()
align_box.addWidget(align_col_box)
align_box.addWidget(align_row_box)
align_box.addStretch()
# Return alignment box
return('Alignment:', align_box)
# SHOW_CUTS OPTION
def create_option_show_cuts(self):
"""
Creates the 'show_cuts' option and returns it.
This option sets the value of the 'show_cuts' projection parameter.
"""
# Make check box for show_cuts
show_cuts_box = QW.QCheckBox()
show_cuts_box.setToolTip("Enable/disable showing all implausibility "
"cut-off lines in 2D projections")
self.create_entry('show_cuts', show_cuts_box,
self.proj_defaults['show_cuts'])
# Return shot_cuts box
return('Show cuts?', show_cuts_box)
# SMOOTH OPTION
def create_option_smooth(self):
"""
Creates the 'smooth' option and returns it.
This option sets the value of the 'smooth' projection parameter.
"""
# Make check box for smooth
smooth_box = QW.QCheckBox()
smooth_box.setToolTip("Enable/disable smoothing the projections. When "
"smoothed, the minimum implausibility is forced "
"to be above the first cut-off for implausible "
"regions")
self.create_entry('smooth', smooth_box, self.proj_defaults['smooth'])
# Return smooth box
return('Smooth?', smooth_box)
# USE_PAR_SPACE OPTION
def create_option_use_par_space(self):
"""
Creates the 'use_par_space' option and returns it.
This option sets the value of the 'use_par_space' projection parameter.
"""
# Make check box for use_par_space
use_par_space_box = QW.QCheckBox()
use_par_space_box.setToolTip("Enable/disable using the model parameter"
" space as the axes limits.")
self.create_entry('use_par_space', use_par_space_box,
self.proj_defaults['use_par_space'])
# Return use_par_space box
return('Use parameter space?', use_par_space_box)
# FULL_IMPL_RNG OPTION
def create_option_full_impl_rng(self):
"""
Creates the 'full_impl_rng' option and returns it.
This option sets the value of the 'full_impl_rng' projection parameter.
"""
# Make check box for full_impl_rng
full_impl_rng_box = QW.QCheckBox()
full_impl_rng_box.setToolTip("Enable/disable using the full "
"implausibility value range as the axis "
"limit.")
self.create_entry('full_impl_rng', full_impl_rng_box,
self.proj_defaults['full_impl_rng'])
# Return full_impl_rng box
return('Use full implausibility range?', full_impl_rng_box)
# KWARGS_DICTS OPTION
def create_option_kwargs_dicts(self):
"""
Creates the 'kwargs_dicts' option and returns it.
This option allows for the
:class:`~prism._gui.widgets.preferences.KwargsDictDialog` to be shown
to the user.
This dialog is able to set the values of all 'XXX_kwargs' projection
parameters.
"""
# Create a kwargs_dict_box
kwargs_dict_box = KwargsDictBoxLayout(self)
self.kwargs_dict_box = kwargs_dict_box
# Add all kwargs_dicts to it
# FIG_KWARGS
tooltip = ("Keyword arguments used when creating the subplots figure "
"(<i>plt.figure</i> kwargs)")
kwargs_dict_box.add_dict(
"Figure", 'fig_kwargs', tooltip,
std_entries=['dpi'],
banned_entries=self.get_proj_attr('pop_fig_kwargs'))
# IMPL_KWARGS_2D
tooltip = ("Keyword arguments used for making the 2D minimum "
"implausibility plot (<i>plt.plot</i> kwargs)")
kwargs_dict_box.add_dict(
"2D implausibility", 'impl_kwargs_2D', tooltip,
std_entries=['linestyle', 'linewidth', 'marker', 'markersize',
'color', 'alpha'],
banned_entries=[*self.get_proj_attr('pop_plt_kwargs'), 'cmap'])
# IMPL_KWARGS_3D
tooltip = ("Keyword arguments used for making the 3D minimum "
"implausibility plot (<i>plt.hexbin</i> kwargs)")
kwargs_dict_box.add_dict(
"3D implausibility", 'impl_kwargs_3D', tooltip,
std_entries=['cmap', 'alpha', 'xscale', 'yscale'],
banned_entries=self.get_proj_attr('pop_plt_kwargs'))
# LOS_KWARGS_2D
tooltip = ("Keyword arguments used for making the 2D line-of-sight "
"plot (<i>plt.plot</i> kwargs)")
kwargs_dict_box.add_dict(
"2D line-of-sight", 'los_kwargs_2D', tooltip,
std_entries=['linestyle', 'linewidth', 'marker', 'markersize',
'color', 'alpha'],
banned_entries=[*self.get_proj_attr('pop_plt_kwargs'), 'cmap'])
# LOS_KWARGS_3D
tooltip = ("Keyword arguments used for making the 3D line-of-sight "
"plot (<i>plt.hexbin</i> kwargs)")
kwargs_dict_box.add_dict(
"3D line-of-sight", 'los_kwargs_3D', tooltip,
std_entries=['cmap', 'alpha', 'xscale', 'yscale'],
banned_entries=self.get_proj_attr('pop_plt_kwargs'))
# LINE_KWARGS_EST
tooltip = ("Keyword arguments used for drawing the parameter estimate "
"lines (<i>plt.plot</i> kwargs)")
kwargs_dict_box.add_dict(
"Estimate lines", 'line_kwargs_est', tooltip,
std_entries=['linestyle', 'color', 'alpha', 'linewidth'],
banned_entries=self.get_proj_attr('pop_line_kwargs'))
# ARROW_KWARGS_EST
tooltip = ("Keyword arguments used for drawing the parameter estimate "
"arrows (<i>plt.arrow</i> kwargs)")
kwargs_dict_box.add_dict(
"Estimate arrows", 'arrow_kwargs_est', tooltip,
std_entries=['color', 'alpha', 'fh_arrowlength', 'ft_arrowlength',
'fh_arrowwidth', 'ft_arrowwidth', 'rel_xpos',
'rel_ypos'],
banned_entries=self.get_proj_attr('pop_arrow_kwargs'))
# LINE_KWARGS_CUT
tooltip = ("Keyword arguments used for drawing the implausibility "
"cut-off line(s) in 2D projections (<i>plt.plot</i> kwargs)"
)
kwargs_dict_box.add_dict(
"Cut-off lines", 'line_kwargs_cut', tooltip,
std_entries=['linestyle', 'color', 'alpha', 'linewidth'],
banned_entries=self.get_proj_attr('pop_line_kwargs'))
# Return kwargs_dict box
return('Projection keyword dicts:', kwargs_dict_box)
# BUTTONS GROUP
def create_group_buttons(self, window_layout):
"""
Creates the button box that is shown at the bottom of the options
dialog and registers it in the provided `window_layout`.
"""
# Create a button_box
button_box = QW.QDialogButtonBox()
window_layout.addWidget(button_box)
# Make a 'Reset' button
reset_but = button_box.addButton(button_box.Reset)
reset_but.setToolTip("Reset to defaults")
reset_but.clicked.connect(self.reset_options)
self.reset_but = reset_but
# Make an 'Apply' button
save_but = button_box.addButton(button_box.Apply)
save_but.setToolTip("Apply changes")
save_but.clicked.connect(self.save_options)
save_but.setEnabled(False)
self.save_but = save_but
# Make a 'Close' button
close_but = button_box.addButton(button_box.Close)
close_but.setToolTip("Close without saving")
close_but.clicked.connect(self.close)
close_but.setDefault(True)
self.close_but = close_but
# This function saves the new options values
@QC.Slot()
@e13.docstring_substitute(qt_slot=qt_slot_doc)
def save_options(self):
"""
Saves all current values of all option entries.
Option entries that affect projection parameters are automatically
modified as well.
%(qt_slot)s
"""
# Emit the saving signal
self.saving.emit()
# Save all new values
for key, entry in self.option_entries.items():
# If key is a projection parameter, save it in the Pipeline as well
if key in self.proj_keys:
# Align
if key in ['align_col', 'align_row']:
if entry.box.isChecked():
self.set_proj_attr('align', key[6:])
else:
self.set_proj_attr(key, entry.value)
# Disable the save button
self.disable_save_button()
# This function enables the save button
@QC.Slot()
def enable_save_button(self):
"""
Qt slot that enables the save button at the bottom of the options
dialog.
The save button is enabled if at least one change has been made to any
option entry.
"""
self.save_but.setEnabled(True)
# This function disables the save button
@QC.Slot()
def disable_save_button(self):
"""
Qt slot that disables the save button at the bottom of the options
dialog.
The save button is disabled whenever no changes have been made to any
option entry.
"""
self.save_but.setEnabled(False)
# This function resets the options to default
@QC.Slot()
@e13.docstring_substitute(qt_slot=qt_slot_doc)
def reset_options(self):
"""
Resets the saved and current values of all option entries back to their
default values.
%(qt_slot)s
"""
# Emit the resetting signal
self.resetting.emit()
# Save current options
self.save_options()
# This function discards all changes to the options
@QC.Slot()
@e13.docstring_substitute(qt_slot=qt_slot_doc)
def discard_options(self):
"""
Discards the current values of all option entries and sets them back to
their saved values.
%(qt_slot)s
"""
# Emit the discarding signal
self.discarding.emit()
# Disable the save button
self.disable_save_button()
class ViewingAreaDockWidget(QW.QDockWidget):
"""
Defines the :class:`~ViewingAreaDockWidget` class for the Projection GUI.
This class provides the user with an MDI (Multiple Document Interface) area
using the :class:`~PyQt5.QtWidgets.QMdiArea` class. All drawn projection
figures live in this area and can be interacted with.
"""
@e13.docstring_substitute(
optional=kwargs_doc.format('PyQt5.QtWidgets.QDockWidget'))
def __init__(self, main_window_obj, *args, **kwargs):
"""
Initialize an instance of the :class:`~ViewingAreaDockWidget` class.
Parameters
----------
main_window_obj : :obj:`~prism._gui.widgets.MainViewerWindow` object
Instance of the :class:`~prism._gui.widgets.MainViewerWindow` class
that acts as the parent of this dock widget.
%(optional)s
"""
# Save provided MainWindow object
self.main = main_window_obj
self.pipe = self.main.pipe
self.set_proj_attr = self.main.set_proj_attr
self.all_set_proj_attr = self.main.all_set_proj_attr
self.get_proj_attr = self.main.get_proj_attr
self.call_proj_attr = self.main.call_proj_attr
self.all_call_proj_attr = self.main.all_call_proj_attr
# Call super constructor
super().__init__("Viewing area", self.main, *args, **kwargs)
# Create the projection viewing area
self.init()
# This function creates the main projection viewing area
def init(self):
"""
Sets up the projection viewing area dock widget after it has been
initialized.
This function is mainly responsible for enabling the
:class:`~prism._gui.widgets.OverviewDockWidget` to properly interact
and control the projection figures that have been drawn.
"""
# Create an MdiArea for the viewing area
self.area_window = QW.QMainWindow()
self.proj_area = QW.QMdiArea(self)
self.area_window.setCentralWidget(self.proj_area)
self.proj_area.setFocus()
self.setWidget(self.area_window)
# Options for proj_area
self.proj_area.setViewMode(QW.QMdiArea.SubWindowView)
self.proj_area.setOption(QW.QMdiArea.DontMaximizeSubWindowOnActivation)
self.proj_area.setActivationOrder(QW.QMdiArea.StackingOrder)
self.proj_area.setStatusTip("Main projection viewing area")
# Options for area_window
self.area_window.setAttribute(QC.Qt.WA_DeleteOnClose)
self.area_window.setContextMenuPolicy(QC.Qt.NoContextMenu)
# Obtain dict of default docking positions
self.default_pos = self.get_default_dock_positions()
# Add toolbar to the projection viewer
self.create_projection_toolbar()
# This function saves the current state of the viewer to file
# TODO: See if the window frames can be removed from the saved image
@QC.Slot()
@e13.docstring_substitute(qt_slot=qt_slot_doc)
def save_view(self):
"""
Saves the current view of the viewing area to file.
%(qt_slot)s
"""
# Get dict of all file extensions allowed
exts = sdict({
'Portable Network Graphics': "*.png",
'Joint Photographic Experts Group': "*.jpg *.jpeg",
'Windows Bitmap': "*.bmp",
'Portable Pixmap': "*.ppm",
'X11 Bitmap': "*.xbm",
'X11 Pixmap': "*.xpm"
})
# Set default extension
default_ext = '*.png'
# Initialize empty list of filters and default filter
file_filters = []
default_filter = None
# Obtain list with the different file filters
for name, ext in exts.items():
# Create proper string layout for this filter
file_filter = "%s (%s)" % (name, ext)
file_filters.append(file_filter)
# If this extension is the default one, save it as such
if default_ext in file_filter:
default_filter = file_filter
# Add 'All (Image) Files' filter to the list of filters for convenience
file_filters.append("All Image Files (%s)" % (' '.join(exts.values())))
file_filters.append("All Files (*)")
# Combine list into a single string
file_filters = ';;'.join(file_filters)
# Create an OS-dependent options dict
options = {}
# Do not use Linux' native dialog as it is bad on some dists
if platform.startswith('linux'):
options = {'options': QW.QFileDialog.DontUseNativeDialog}
# Open the file saving system
filename, _ = QW.QFileDialog.getSaveFileName(
parent=self.main,
caption="Save view as...",
directory=path.join(self.pipe._working_dir, "proj_area.png"),
filter=file_filters,
initialFilter=default_filter,
**options)
# If filename was provided, save image
if filename:
# Grab the current state of the projection area as a Pixmap
pixmap = self.proj_area.grab()
# Save pixmap with chosen filename
pixmap.save(filename)
# This function is called when the main window is closed
def closeEvent(self, *args, **kwargs):
"""
Special :meth:`~PyQt5.QtWidgets.QWidget.closeEvent` event that
automatically performs some clean-up operations before the viewing area
closes.
"""
# Close the main window in this widget
self.area_window.close()
# Close the projection viewer
super().closeEvent(*args, **kwargs)
# This function returns the default positions of dock widgets and toolbars
def get_default_dock_positions(self):
"""
Returns the default positions of all dock widgets connected to the
viewing area.
"""
# Make dict including the default docking positions
default_pos = {'Tools': QC.Qt.TopToolBarArea}
# Return it
return (default_pos)
# This function sets dock widgets and toolbars to their default position
@QC.Slot()
@e13.docstring_substitute(qt_slot=qt_slot_doc)
def set_default_dock_positions(self):
"""
Sets the postions of all dock widgets connected to the viewing area to
their default positions.
%(qt_slot)s
"""
# Set the dock widgets and toolbars to their default positions
# TOOLS TOOLBAR
self.proj_toolbar.setVisible(True)
self.area_window.addToolBar(self.default_pos['Tools'],
self.proj_toolbar)
# This function creates the toolbar of the projection viewing area
def create_projection_toolbar(self):
"""
Creates the top-level toolbar of the viewing area, primarily used for
manipulating the area subwindows.
"""
# Create toolbar for projection viewer
self.proj_toolbar = QW_QToolBar(self, "Tools")
# Create an action for enabling/disabling the toolbar
proj_toolbar_act = self.proj_toolbar.toggleViewAction()
proj_toolbar_act.setText("Tools toolbar")
proj_toolbar_act.setStatusTip("Enable/disable the 'Tools' toolbar")
self.main.toolbars_menu.addAction(proj_toolbar_act)
# Add action for cascading all subwindows
cascade_act = QW_QAction(self,
"&Cascade",
shortcut=QC.Qt.CTRL + QC.Qt.SHIFT +
QC.Qt.Key_C,
statustip="Cascade all subwindows",
triggered=self.proj_area.cascadeSubWindows)
self.proj_toolbar.addAction(cascade_act)
# Add action for tiling all subwindows
tile_act = QW_QAction(self,
"&Tile",
shortcut=QC.Qt.CTRL + QC.Qt.SHIFT + QC.Qt.Key_T,
statustip="Tile all subwindows",
triggered=self.proj_area.tileSubWindows)
self.proj_toolbar.addAction(tile_act)
# Add action for closing all subwindows
close_act = QW_QAction(self,
"Close all",
shortcut=QC.Qt.CTRL + QC.Qt.SHIFT + QC.Qt.Key_X,
statustip="Close all subwindows",
triggered=self.proj_area.closeAllSubWindows)
self.proj_toolbar.addAction(close_act)
