class MarkerControl(StraditizerControlBase, QWidget):
"""Widget to control the appearance of the marks
This widget controls the appearance of the
:class:`straditize.cross_mark.CrossMarks` instances in the
:attr:`~straditize.straditizer.Straditizer.marks` attribute of the
:attr:`~straditize.widgets.StraditizerControlBase.straditizer`"""
_toolbar = None
@property
def marks(self):
"""The :class:`~straditize.cross_mark.CrossMarks` of the straditizer
"""
return chain(self.straditizer.marks, self.straditizer.magni_marks)
@docstrings.dedent
def __init__(self, straditizer_widgets, item, *args, **kwargs):
"""
Parameters
----------
%(StraditizerControlBase.init_straditizercontrol.parameters)s
"""
super(MarkerControl, self).__init__(*args, **kwargs)
self.init_straditizercontrol(straditizer_widgets, item)
vbox = QVBoxLayout()
# auto hide button
box_hide = QGridLayout()
self.cb_auto_hide = QCheckBox('Auto-hide')
self.cb_show_connected = QCheckBox('Show additionals')
self.cb_drag_hline = QCheckBox('Drag in y-direction')
self.cb_drag_vline = QCheckBox('Drag in x-direction')
self.cb_selectable_hline = QCheckBox('Horizontal lines selectable')
self.cb_selectable_vline = QCheckBox('Vertical lines selectable')
self.cb_show_hlines = QCheckBox('Show horizontal lines')
self.cb_show_vlines = QCheckBox('Show vertical lines')
box_hide.addWidget(self.cb_auto_hide, 0, 0)
box_hide.addWidget(self.cb_show_connected, 0, 1)
box_hide.addWidget(self.cb_show_vlines, 1, 0)
box_hide.addWidget(self.cb_show_hlines, 1, 1)
box_hide.addWidget(self.cb_drag_hline, 2, 0)
box_hide.addWidget(self.cb_drag_vline, 2, 1)
box_hide.addWidget(self.cb_selectable_hline, 3, 0)
box_hide.addWidget(self.cb_selectable_vline, 3, 1)
vbox.addLayout(box_hide)
style_box = QGridLayout()
style_box.addWidget(QLabel('Unselected:'), 0, 1)
selected_label = QLabel('Selected:')
style_box.addWidget(selected_label, 0, 2)
max_width = selected_label.sizeHint().width()
# line color
self.lbl_color_select = ColorLabel()
self.lbl_color_unselect = ColorLabel()
self.lbl_color_select.setMaximumWidth(max_width)
self.lbl_color_unselect.setMaximumWidth(max_width)
style_box.addWidget(QLabel('Line color:'), 1, 0)
style_box.addWidget(self.lbl_color_unselect, 1, 1)
style_box.addWidget(self.lbl_color_select, 1, 2)
# line width
self.txt_line_width = QLineEdit()
self.txt_line_width_select = QLineEdit()
validator = QDoubleValidator()
validator.setBottom(0)
self.txt_line_width.setValidator(validator)
self.txt_line_width_select.setValidator(validator)
style_box.addWidget(QLabel('Line width:'), 2, 0)
style_box.addWidget(self.txt_line_width, 2, 1)
style_box.addWidget(self.txt_line_width_select, 2, 2)
vbox.addLayout(style_box)
# line style
hbox_line_style = QHBoxLayout()
hbox_line_style.addWidget(QLabel('Line style'))
self.combo_line_style = QComboBox()
hbox_line_style.addWidget(self.combo_line_style)
vbox.addLayout(hbox_line_style)
self.fill_linestyles()
self.combo_line_style.setSizeAdjustPolicy(QComboBox.AdjustToContents)
# marker style
hbox_marker_style = QHBoxLayout()
hbox_marker_style.addWidget(QLabel('Marker size'))
self.txt_marker_size = QLineEdit()
self.txt_marker_size.setMinimumWidth(40)
self.txt_marker_size.setText(str(mpl.rcParams['lines.markersize']))
validator = QDoubleValidator()
validator.setBottom(0)
self.txt_marker_size.setValidator(validator)
hbox_marker_style.addWidget(self.txt_marker_size)
hbox_marker_style.addWidget(QLabel('Marker style'))
self.combo_marker_style = QComboBox()
hbox_marker_style.addWidget(self.combo_marker_style)
vbox.addLayout(hbox_marker_style)
self.setLayout(vbox)
self.widgets2disable = [
self.lbl_color_select, self.lbl_color_unselect, self.cb_auto_hide,
self.txt_line_width, self.txt_line_width_select,
self.combo_line_style, self.cb_show_connected,
self.txt_marker_size, self.combo_marker_style, self.cb_drag_vline,
self.cb_drag_hline, self.cb_selectable_vline,
self.cb_selectable_hline, self.cb_show_hlines, self.cb_show_vlines
]
self.fill_markerstyles()
self.tb_actions = []
# ---------------------------------------------------------------------
# ---------------------------- connections ----------------------------
# ---------------------------------------------------------------------
self.lbl_color_select.color_changed.connect(self.change_select_colors)
self.lbl_color_unselect.color_changed.connect(
self.change_unselect_colors)
self.txt_line_width.textChanged.connect(self.change_line_widths)
self.txt_line_width_select.textChanged.connect(
self.change_selection_line_widths)
self.cb_auto_hide.stateChanged.connect(self.change_auto_hide)
self.combo_marker_style.currentIndexChanged.connect(
self.change_marker_style)
self.combo_line_style.currentIndexChanged.connect(
self.change_line_style)
self.txt_marker_size.textChanged.connect(self.change_marker_size)
self.cb_show_connected.stateChanged.connect(
self.change_show_connected_artists)
self.cb_drag_hline.stateChanged.connect(self.change_hline_draggable)
self.cb_drag_vline.stateChanged.connect(self.change_vline_draggable)
self.cb_selectable_hline.stateChanged.connect(
self.change_hline_selectable)
self.cb_selectable_vline.stateChanged.connect(
self.change_vline_selectable)
self.cb_show_vlines.stateChanged.connect(self.change_show_vlines)
self.cb_show_hlines.stateChanged.connect(self.change_show_hlines)
def draw_figs(self):
"""Draw the figures of the :attr:`marks`"""
for canvas in {m.fig.canvas for m in self.marks}:
canvas.draw_idle()
def fill_linestyles(self):
"""Fill the :attr:`combo_line_style` combobox"""
self.line_styles = [('-', 'solid'), ('--', 'dashed'),
('-.', 'dashdot'), (':', 'dotted'),
('None', None, '', ' ')]
self.combo_line_style.addItems([t[0] for t in self.line_styles])
def fill_markerstyles(self):
"""Fill the :attr:`combo_marker_style` combobox"""
self.marker_styles = [('point', (".", )), ('pixel', (",", )),
('circle', ("o", )),
('triangle down', ("v", "1")),
('triangle up', ("^", "2")),
('triangle left', ("<", "3")),
('triangle right', (">", "4")),
('octagon', ("8", )), ('square', ("s", )),
('pentagon', ("p", )),
('plus (filled)', ("P", )), ('star', ("*", )),
('hexagon1', ("h", )), ('hexagon2', ("H", )),
('plus', ("+", )), ('x', ("x", )),
('x (filled)', ("X", )), ('diamond', ("D", )),
('thin diamond', ("d", )), ('vline', ("|", )),
('hline', ("_", )),
('no marker', ('None', None, '', ' '))]
self.combo_marker_style.addItems([
'%s (%s)' % (key.capitalize(), ','.join(map(str, filter(None, t))))
for key, t in self.marker_styles
])
def set_marker_item(self, marker):
"""Switch the :attr:`combo_marker_style` to the given `marker`
Parameters
----------
marker: str
A matplotlib marker string"""
for i, (key, t) in enumerate(self.marker_styles):
if marker in t:
block = self.combo_marker_style.blockSignals(True)
self.combo_marker_style.setCurrentIndex(i)
self.combo_marker_style.blockSignals(block)
break
def set_line_style_item(self, ls):
"""Switch the :attr:`combo_line_style` to the given linestyle
Parameters
----------
ls: str
The matplotlib linestyle string
"""
for i, t in enumerate(self.line_styles):
if ls in t:
block = self.combo_line_style.blockSignals(True)
self.combo_line_style.setCurrentIndex(i)
self.combo_line_style.blockSignals(block)
break
def should_be_enabled(self, w):
"""Check if a widget `w` should be enabled or disabled
Parameters
----------
w: PyQt5.QtWidgets.QWidget
The widget to (potentially) enable
Returns
-------
bool
True if the :attr:`straditizer` of this instance has marks.
Otherwise False"""
return self.straditizer is not None and bool(self.straditizer.marks)
def change_select_colors(self, color):
"""Change the selection color of the marks
Change the selection color of the marks to the given color.
Parameters
----------
color: PyQt5.QtGui.QColor or a matplotlib color
The color to use
"""
if isinstance(color, QtGui.QColor):
color = np.array(color.getRgb()) / 255.
for mark in self.marks:
key = 'color' if 'color' in mark._select_props else 'c'
mark._select_props[key] = color
mark._unselect_props[key] = mark.hline.get_c()
self.draw_figs()
def change_unselect_colors(self, color):
"""Change the :attr:`straditize.cross_mark.CrossMark.cunselect` color
Change the unselection color of the marks to the given color.
Parameters
----------
color: PyQt5.QtGui.QColor or a matplotlib color
The color to use
"""
if isinstance(color, QtGui.QColor):
color = np.array(color.getRgb()) / 255.
for mark in self.marks:
key = 'color' if 'color' in mark._unselect_props else 'c'
mark._unselect_props[key] = color
for l in chain(mark.hlines, mark.vlines, mark.line_connections):
l.set_color(color)
self.draw_figs()
def change_line_widths(self, lw):
"""Change the linewidth of the marks
Parameters
----------
lw: float
The line width to use
"""
lw = float(lw or 0)
for mark in self.marks:
key = 'lw' if 'lw' in mark._unselect_props else 'linewidth'
mark._unselect_props[key] = lw
if not mark.auto_hide:
for l in chain(mark.hlines, mark.vlines,
mark.line_connections):
l.set_lw(lw)
self.draw_figs()
def change_selection_line_widths(self, lw):
"""Change the linewidth for selected marks
Parameters
----------
lw: float
The linewidth for selected marks"""
lw = float(lw or 0)
for mark in self.marks:
key = 'lw' if 'lw' in mark._select_props else 'linewidth'
mark._select_props[key] = lw
def change_auto_hide(self, auto_hide):
"""Toggle the :attr:`~straditize.cross_mark.CrossMark.auto_hide`
This method disables or enables the
:attr:`~straditize.cross_mark.CrossMark.auto_hide` of the marks
Parameters
----------
auto_hide: bool or PyQt5.QtGui.Qt.Checked or PyQt5.QtGui.Qt.Unchecked
The value to use for the auto_hide. :data:`PyQt5.QtGui.Qt.Checked`
is equivalent to ``True``
"""
if auto_hide is Qt.Checked:
auto_hide = True
elif auto_hide is Qt.Unchecked:
auto_hide = False
for mark in self.marks:
mark.auto_hide = auto_hide
if auto_hide:
for l in chain(mark.hlines, mark.vlines,
mark.line_connections):
l.set_lw(0)
else:
lw = mark._unselect_props.get(
'lw', mark._unselect_props.get('linewidth'))
for l in chain(mark.hlines, mark.vlines,
mark.line_connections):
l.set_lw(lw)
self.draw_figs()
def change_show_connected_artists(self, show):
"""Change the visibility of connected artists
Parameters
----------
show: bool
The visibility for the
:meth:`straditize.cross_mark.CrossMarks.set_connected_artists_visible`
method"""
if show is Qt.Checked:
show = True
elif show is Qt.Unchecked:
show = False
for mark in self.marks:
mark.set_connected_artists_visible(show)
self.draw_figs()
def change_line_style(self, i):
"""Change the line style of the marks
Parameters
----------
i: int
The index of the line style in the :attr:`line_styles` attribute
to use
"""
ls = self.line_styles[i][0]
for mark in self.marks:
for l in chain(mark.hlines, mark.vlines, mark.line_connections):
l.set_ls(ls)
self.draw_figs()
def change_marker_style(self, i):
"""Change the marker style of the marks
Parameters
----------
i: int
The index of the marker style in the :attr:`marker_styles`
attribute to use
"""
marker = self.marker_styles[i][1][0]
for mark in self.marks:
for l in chain(mark.hlines, mark.vlines, mark.line_connections):
l.set_marker(marker)
self.draw_figs()
def change_marker_size(self, markersize):
"""Change the size of the markers
Parameters
----------
markersize: float
The size of the marker to use"""
markersize = float(markersize or 0)
for mark in self.marks:
for l in chain(mark.hlines, mark.vlines, mark.line_connections):
l.set_markersize(markersize)
self.draw_figs()
def fill_from_mark(self, mark):
"""Set the widgets of this :class:`MarkerControl` from a mark
This method sets the color labels, combo boxes, check boxes and
text edits to match the properties of the given `mark`
Parameters
----------
mark: straditize.cross_mark.CrossMark
The mark to use the attributes from
"""
line = mark.hline
try:
cselect = mark._select_props['c']
except KeyError:
try:
cselect = mark._select_props['color']
except KeyError:
cselect = mark.hline.get_c()
lw_key = 'lw' if 'lw' in mark._unselect_props else 'linewidth'
self.set_line_style_item(line.get_linestyle())
self.set_marker_item(line.get_marker())
self.txt_line_width.setText(str(mark._unselect_props.get(lw_key, 0)))
self.txt_line_width_select.setText(
str(mark._select_props.get(lw_key, 0)))
self.txt_marker_size.setText(str(line.get_markersize()))
self.lbl_color_select._set_color(cselect)
self.lbl_color_unselect._set_color(mark.hline.get_c())
self.cb_auto_hide.setChecked(mark.auto_hide)
self.cb_show_connected.setChecked(mark.show_connected_artists)
try:
mark.x
except NotImplementedError:
self.cb_drag_vline.setEnabled(False)
self.cb_show_vlines.setEnabled(False)
self.cb_selectable_vline.setEnabled(False)
else:
self.cb_drag_vline.setEnabled(True)
self.cb_show_vlines.setEnabled(True)
self.cb_selectable_vline.setEnabled(True)
try:
mark.y
except NotImplementedError:
self.cb_drag_hline.setEnabled(False)
self.cb_show_hlines.setEnabled(False)
self.cb_selectable_hline.setEnabled(False)
else:
self.cb_drag_hline.setEnabled(True)
self.cb_show_hlines.setEnabled(True)
self.cb_selectable_hline.setEnabled(True)
self.cb_drag_hline.setChecked('h' in mark.draggable)
self.cb_drag_vline.setChecked('v' in mark.draggable)
self.cb_show_hlines.setChecked(not mark.hide_horizontal)
self.cb_show_vlines.setChecked(not mark.hide_vertical)
self.cb_selectable_hline.setChecked('h' in mark.selectable)
self.cb_selectable_vline.setChecked('v' in mark.selectable)
@property
def line_props(self):
"""The properties of the lines as a :class:`dict`"""
return {
'ls':
self.combo_line_style.currentText(),
'marker':
self.marker_styles[self.combo_marker_style.currentIndex()][1][0],
'lw':
float(self.txt_line_width.text().strip() or 0),
'markersize':
float(self.txt_marker_size.text().strip() or 0),
'c':
self.lbl_color_unselect.color.getRgbF(),
}
@property
def select_props(self):
"""The properties of selected marks as a :class:`dict`"""
return {
'c': self.lbl_color_select.color.getRgbF(),
'lw': float(self.txt_line_width_select.text().strip() or 0)
}
def update_mark(self, mark):
"""Update the properties of a mark to match the settings
Parameters
----------
mark: straditize.cross_mark.CrossMarks
The mark to update
"""
if len(self.straditizer.marks) < 2:
return
# line properties
props = self.line_props
mark._unselect_props.update(props)
mark._select_props.update(self.select_props)
# auto_hide
auto_hide = self.cb_auto_hide.isChecked()
mark.auto_hide = auto_hide
if auto_hide:
props['lw'] = 0
# show_connected
show_connected = self.cb_show_connected.isChecked()
mark.set_connected_artists_visible(show_connected)
# drag hline
drag_hline = self.cb_drag_hline.isChecked()
if drag_hline and 'h' not in mark.draggable:
mark.draggable.append('h')
elif not drag_hline and 'h' in mark.draggable:
mark.draggable.remove('h')
# drag vline
drag_vline = self.cb_drag_vline.isChecked()
if drag_vline and 'v' not in mark.draggable:
mark.draggable.append('v')
elif not drag_vline and 'v' in mark.draggable:
mark.draggable.remove('v')
# select hline
select_hline = self.cb_selectable_hline.isChecked()
if select_hline and 'h' not in mark.selectable:
mark.selectable.append('h')
elif not select_hline and 'h' in mark.selectable:
mark.selectable.remove('h')
# select hline
select_vline = self.cb_selectable_vline.isChecked()
if select_vline and 'v' not in mark.selectable:
mark.selectable.append('v')
elif not select_vline and 'v' in mark.selectable:
mark.selectable.remove('v')
show_horizontal = self.cb_show_hlines.isChecked()
mark.hide_horizontal = ~show_horizontal
show_vertical = self.cb_show_vlines.isChecked()
mark.hide_vertical = ~show_vertical
for l in chain(mark.hlines, mark.vlines):
l.update(props)
for l in mark.hlines:
l.set_visible(show_horizontal)
for l in mark.vlines:
l.set_visible(show_vertical)
def change_hline_draggable(self, state):
"""Enable or disable the dragging of horizontal lines
Parameters
----------
state: Qt.Checked or Qt.Unchecked
If Qt.Checked, the horizontal lines can be dragged and dropped"""
if state == Qt.Checked:
for mark in self.marks:
mark.draggable = np.unique(np.r_[['h'], mark.draggable])
else:
for mark in self.marks:
mark.draggable = np.array(list(set(mark.draggable) - {'h'}))
def change_hline_selectable(self, state):
"""Enable or disable the selection of horizontal lines
Parameters
----------
state: Qt.Checked or Qt.Unchecked
If Qt.Checked, the horizontal lines can be selected"""
if state == Qt.Checked:
for mark in self.marks:
mark.selectable = np.unique(np.r_[['h'], mark.selectable])
else:
for mark in self.marks:
mark.selectable = np.array(list(set(mark.selectable) - {'h'}))
def change_vline_draggable(self, state):
"""Enable or disable the dragging of vertical lines
Parameters
----------
state: Qt.Checked or Qt.Unchecked
If Qt.Checked, the vertical lines can be dragged and dropped"""
if state == Qt.Checked:
for mark in self.marks:
mark.draggable = np.unique(np.r_[['v'], mark.draggable])
else:
for mark in self.marks:
mark.draggable = np.array(list(set(mark.draggable) - {'v'}))
def change_vline_selectable(self, state):
"""Enable or disable the selection of vertical lines
Parameters
----------
state: Qt.Checked or Qt.Unchecked
If Qt.Checked, the vertical lines can be selected"""
if state == Qt.Checked:
for mark in self.marks:
mark.selectable = np.unique(np.r_[['v'], mark.selectable])
else:
for mark in self.marks:
mark.selectable = np.array(list(set(mark.selectable) - {'v'}))
def change_show_hlines(self, state):
"""Enable of disable the visibility of horizontal lines
Parameters
----------
state: Qt.Checked or Qt.Unchecked
If Qt.Checked, all horizontal lines are hidden"""
if state == Qt.Checked:
for mark in self.marks:
mark.hide_horizontal = False
mark.set_visible(True)
else:
for mark in self.marks:
mark.hide_horizontal = True
mark.set_visible(True)
self.draw_figs()
def change_show_vlines(self, state):
"""Enable of disable the visibility of vertical lines
Parameters
----------
state: Qt.Checked or Qt.Unchecked
If Qt.Checked, all vertical lines are hidden"""
if state == Qt.Checked:
for mark in self.marks:
mark.hide_vertical = False
mark.set_visible(True)
else:
for mark in self.marks:
mark.hide_vertical = True
mark.set_visible(True)
self.draw_figs()
def enable_or_disable_widgets(self, b):
"""Renabled to use the :meth:`refresh` method
"""
self.refresh()
def fill_after_adding(self, mark):
if not self._filled:
self.refresh()
def go_to_right_mark(self):
"""Move the plot to the next right cross mark"""
ax = self.straditizer.marks[0].ax
if ax.xaxis_inverted():
return self.go_to_smaller_x_mark(min(ax.get_xlim()))
else:
return self.go_to_greater_x_mark(max(ax.get_xlim()))
def go_to_left_mark(self):
"""Move the plot to the previous left cross mark"""
ax = self.straditizer.marks[0].ax
if ax.xaxis_inverted():
return self.go_to_greater_x_mark(max(ax.get_xlim()))
else:
return self.go_to_smaller_x_mark(min(ax.get_xlim()))
def go_to_greater_x_mark(self, x):
"""Move the plot to the next mark with a x-position greater than `x`
Parameters
----------
x: float
The reference x-position that shall be smaller than the new
centered mark"""
def is_visible(mark):
return (np.searchsorted(np.sort(xlim),
mark.xa) == 1).any() and (np.searchsorted(
np.sort(ylim), mark.ya) == 1).any()
ax = next(self.marks).ax
xlim = np.asarray(ax.get_xlim())
ylim = np.asarray(ax.get_ylim())
marks = self.straditizer.marks
if len(marks[0].xa) > 1:
# get the mark in the center
yc = ylim.mean()
try:
mark = min(filter(is_visible, marks),
key=lambda m: np.abs(m.ya - yc).min())
except ValueError: # empty sequence
mark = min(marks, key=lambda m: np.abs(m.ya - yc).min())
# if all edges are visible already, we return
if (np.searchsorted(xlim, mark.xa) == 1).all():
return
mask = mark.xa > x
if not mask.any(): # already on the right side
return
i = mark.xa[mask].argmin()
x = mark.xa[mask][i]
dx = np.diff(xlim) / 2.
ax.set_xlim(x - dx, x + dx)
ax.set_ylim(*ax.get_ylim())
else:
distances = ((mark.xa > x).any()
and (mark.xa[mark.xa > x] - x).min()
for mark in marks)
try:
dist, mark = min((t for t in zip(distances, marks) if t[0]),
key=lambda t: t[0])
except ValueError: # empty sequence
return
mask = mark.xa > x
i = mark.xa[mask].argmin()
x = mark.xa[mask][i]
j = np.abs(mark.ya - ylim.mean()).argmin()
y = mark.ya[j]
dx = np.diff(xlim) / 2.
ax.set_xlim(x - dx, x + dx)
dy = np.diff(ylim) / 2.
ax.set_ylim(y - dy, y + dy)
self.straditizer.draw_figure()
def go_to_smaller_x_mark(self, x):
"""Move the plot to the next mark with a x-position smaller than `x`
Parameters
----------
x: float
The reference x-position that shall be greater than the new
centered mark"""
def is_visible(mark):
return (np.searchsorted(np.sort(xlim),
mark.xa) == 1).any() and (np.searchsorted(
np.sort(ylim), mark.ya) == 1).any()
ax = next(self.marks).ax
xlim = np.asarray(ax.get_xlim())
ylim = np.asarray(ax.get_ylim())
marks = self.straditizer.marks
if len(marks[0].xa) > 1:
# get the mark in the center
yc = ylim.mean()
try:
mark = min(filter(is_visible, marks),
key=lambda m: np.abs(m.ya - yc).min())
except ValueError: # empty sequence
mark = min(marks, key=lambda m: np.abs(m.ya - yc).min())
# if all edges are visible already, we return
if (np.searchsorted(xlim, mark.xa) == 1).all():
return
mask = mark.xa < x
if not mask.any(): # already on the right side
return
i = mark.xa[mask].argmin()
x = mark.xa[mask][i]
dx = np.diff(xlim) / 2.
ax.set_xlim(x - dx, x + dx)
ax.set_ylim(*ax.get_ylim())
else:
distances = ((mark.xa < x).any()
and (mark.xa[mark.xa < x] - x).min()
for mark in marks)
try:
dist, mark = min((t for t in zip(distances, marks) if t[0]),
key=lambda t: t[0])
except ValueError: # empty sequence
return
mask = mark.xa < x
i = mark.xa[mask].argmin()
x = mark.xa[mask][i]
j = np.abs(mark.ya - ylim.mean()).argmin()
y = mark.ya[j]
dx = np.diff(xlim) / 2.
ax.set_xlim(x - dx, x + dx)
dy = np.diff(ylim) / 2.
ax.set_ylim(y - dy, y + dy)
self.straditizer.draw_figure()
def go_to_upper_mark(self):
"""Go to the next mark above the current y-limits"""
ax = self.straditizer.marks[0].ax
if ax.xaxis_inverted():
return self.go_to_greater_y_mark(max(ax.get_ylim()))
else:
return self.go_to_smaller_y_mark(min(ax.get_ylim()))
def go_to_lower_mark(self):
"""Go to the next mark below the current y-limits"""
ax = self.straditizer.marks[0].ax
if ax.xaxis_inverted():
return self.go_to_smaller_y_mark(min(ax.get_ylim()))
else:
return self.go_to_greater_y_mark(max(ax.get_ylim()))
def go_to_greater_y_mark(self, y):
"""Move the plot to the next mark with a y-position greater than `y`
Parameters
----------
y: float
The reference y-position that shall be smaller than the new
centered mark"""
def is_visible(mark):
return (np.searchsorted(np.sort(xlim),
mark.xa) == 1).any() and (np.searchsorted(
np.sort(ylim), mark.ya) == 1).any()
ax = next(self.marks).ax
xlim = np.asarray(ax.get_xlim())
ylim = np.asarray(ax.get_ylim())
marks = self.straditizer.marks
if len(marks[0].ya) > 1:
# get the mark in the center
xc = xlim.mean()
try:
mark = min(filter(is_visible, marks),
key=lambda m: np.abs(m.xa - xc).min())
except ValueError: # empty sequence
mark = min(marks, key=lambda m: np.abs(m.xa - xc).min())
# if all edges are visible already, we return
if (np.searchsorted(ylim, mark.ya) == 1).all():
return
mask = mark.ya > y
if not mask.any(): # already on the right side
return
i = mark.ya[mask].argmin()
y = mark.ya[mask][i]
dy = np.diff(ylim) / 2.
ax.set_ylim(y - dy, y + dy)
else:
distances = ((mark.ya > y).any()
and (mark.xa[mark.ya > y] - y).min()
for mark in marks)
try:
dist, mark = min((t for t in zip(distances, marks) if t[0]),
key=lambda t: t[0])
except ValueError: # empty sequence
return
mask = mark.ya > y
i = mark.ya[mask].argmin()
y = mark.ya[mask][i]
j = np.abs(mark.xa - xlim.mean()).argmin()
x = mark.xa[j]
dx = np.diff(xlim) / 2.
ax.set_xlim(x - dx, x + dx)
dy = np.diff(ylim) / 2.
ax.set_ylim(y - dy, y + dy)
self.straditizer.draw_figure()
def go_to_smaller_y_mark(self, y):
"""Move the plot to the next mark with a y-position smaller than `x`
Parameters
----------
y: float
The reference y-position that shall be smaller than the new
centered mark"""
def is_visible(mark):
return (np.searchsorted(np.sort(xlim),
mark.xa) == 1).any() and (np.searchsorted(
np.sort(ylim), mark.ya) == 1).any()
ax = next(self.marks).ax
xlim = np.asarray(ax.get_xlim())
ylim = np.asarray(ax.get_ylim())
marks = self.straditizer.marks
if len(marks[0].ya) > 1:
# get the mark in the center
xc = xlim.mean()
try:
mark = min(filter(is_visible, marks),
key=lambda m: np.abs(m.xa - xc).min())
except ValueError: # empty sequence
mark = min(marks, key=lambda m: np.abs(m.xa - xc).min())
# if all edges are visible already, we return
if (np.searchsorted(ylim, mark.ya) == 1).all():
return
mask = mark.ya < y
if not mask.any(): # already on the right side
return
i = mark.ya[mask].argmin()
y = mark.ya[mask][i]
dy = np.diff(ylim) / 2.
ax.set_ylim(y - dy, y + dy)
else:
distances = ((mark.ya < y).any()
and (mark.ya[mark.ya < y] - y).min()
for mark in marks)
try:
dist, mark = min((t for t in zip(distances, marks) if t[0]),
key=lambda t: t[0])
except ValueError: # empty sequence
return
mask = mark.ya < y
i = mark.ya[mask].argmin()
y = mark.ya[mask][i]
j = np.abs(mark.xa - xlim.mean()).argmin()
x = mark.xa[j]
dx = np.diff(xlim) / 2.
ax.set_xlim(x - dx, x + dx)
dy = np.diff(ylim) / 2.
ax.set_ylim(y - dy, y + dy)
self.straditizer.draw_figure()
def add_toolbar_widgets(self, mark):
"""Add the navigation actions to the toolbar"""
tb = self.straditizer.marks[0].ax.figure.canvas.toolbar
if not isinstance(tb, QToolBar):
return
if self.tb_actions:
self.remove_actions()
self.tb_actions.append(tb.addSeparator())
try:
mark.x
except NotImplementedError:
add_right = False
else:
a = tb.addAction(QIcon(get_icon('left_mark.png')), 'left mark',
self.go_to_left_mark)
a.setToolTip('Move to the next cross mark on the left')
self.tb_actions.append(a)
add_right = True
try:
mark.y
except NotImplementedError:
pass
else:
a = tb.addAction(QIcon(get_icon('upper_mark.png')), 'upper mark',
self.go_to_upper_mark)
a.setToolTip('Move to the next cross mark above')
self.tb_actions.append(a)
a = tb.addAction(QIcon(get_icon('lower_mark.png')), 'lower mark',
self.go_to_lower_mark)
a.setToolTip('Move to the next cross mark below')
self.tb_actions.append(a)
if add_right:
a = tb.addAction(QIcon(get_icon('right_mark.png')), 'right mark',
self.go_to_right_mark)
a.setToolTip('Move to the next cross mark on the right')
self.tb_actions.append(a)
self._toolbar = tb
def remove_actions(self):
"""Remove the navigation actions from the toolbar"""
if self._toolbar is None:
return
tb = self._toolbar
for a in self.tb_actions:
tb.removeAction(a)
self.tb_actions.clear()
def refresh(self):
"""Reimplemented to also set the properties of this widget
"""
super(MarkerControl, self).refresh()
if self.straditizer is not None and self.straditizer.marks:
self._filled = True
mark = self.straditizer.marks[0]
self.fill_from_mark(mark)
self.add_toolbar_widgets(mark)
else:
self.remove_actions()
self._filled = False
if self.straditizer is not None:
self.straditizer.mark_added.connect(self.fill_after_adding)
self.straditizer.mark_added.connect(self.update_mark)
class StraditizerWidgets(QWidget, DockMixin):
"""A widget that contains widgets to control the straditization in a GUI
This widget is the basis of the straditize GUI and implemented as a
plugin into the psyplot gui. The open straditizers are handled in the
:attr:`_straditizer` attribute.
The central parts of this widget are
- The combobox to manage the open straditizers
- The QTreeWidget in the :attr:`tree` attribute that contains all the
controls to interface the straditizer
- the tutorial area
- the :guilabel:`Apply` and :guilabel:`Cancel` button"""
#: Boolean that is True if all dialogs should be answered with `Yes`
always_yes = False
#: The QTreeWidget that contains the different widgets for the digitization
tree = None
#: The apply button
apply_button = None
#: The cancel button
cancel_button = None
#: The button to edit the straditizer attributes
attrs_button = None
#: The button to start a tutorial
tutorial_button = None
#: An :class:`InfoButton` to display the docs
info_button = None
#: A QComboBox to select the current straditizer
stradi_combo = None
#: A button to open a new straditizer
btn_open_stradi = None
#: A button to close the current straditizer
btn_close_stradi = None
#: A button to reload the last autosaved state
btn_reload_autosaved = None
#: The :class:`straditize.widgets.progress_widget.ProgressWidget` to
#: display the progress of the straditization
progress_widget = None
#: The :class:`straditize.widgets.data.DigitizingControl` to interface
#: the :straditize.straditizer.Straditizer.data_reader`
digitizer = None
#: The :class:`straditize.widgets.colnames.ColumnNamesManager` to interface
#: the :straditize.straditizer.Straditizer.colnames_reader`
colnames_manager = None
#: The :class:`straditize.widgets.axes_translations.AxesTranslations` to
#: handle the y- and x-axis conversions
axes_translations = None
#: The :class:`straditize.widgets.image_correction.ImageRescaler` class to
#: rescale the image
image_rescaler = None
#: The :class:`straditize.widgets.image_correction.ImageRotator` class to
#: rotate the image
image_rotator = None
#: The :class:`straditize.widgets.plots.PlotControl` to display additional
#: information on the diagram
plot_control = None
#: The :class:`straditize.widgets.marker_control.MarkerControl` to modify
#: the appearance of the :class:`~straditize.straditizer.Straditizer.marks`
#: of the current straditizer
marker_control = None
#: The :class:`straditize.widgets.selection_toolbar.SelectionToolbar` to
#: select features in the stratigraphic diagram
selection_toolbar = None
#: The :class:`straditize.straditizer.Straditizer` instance
straditizer = None
#: open straditizers
_straditizers = []
#: The :class:`straditize.widgets.tutorial.Tutorial` class
tutorial = None
dock_position = Qt.LeftDockWidgetArea
#: Auto-saved straditizers
autosaved = []
hidden = True
title = 'Stratigraphic diagram digitization'
window_layout_action = None
open_external = QtCore.pyqtSignal(list)
def __init__(self, *args, **kwargs):
from straditize.widgets.menu_actions import StraditizerMenuActions
from straditize.widgets.progress_widget import ProgressWidget
from straditize.widgets.data import DigitizingControl
from straditize.widgets.selection_toolbar import SelectionToolbar
from straditize.widgets.marker_control import MarkerControl
from straditize.widgets.plots import PlotControl
from straditize.widgets.axes_translations import AxesTranslations
from straditize.widgets.image_correction import (ImageRotator,
ImageRescaler)
from straditize.widgets.colnames import ColumnNamesManager
self._straditizers = []
super(StraditizerWidgets, self).__init__(*args, **kwargs)
self.tree = QTreeWidget(parent=self)
self.tree.setSelectionMode(QTreeWidget.NoSelection)
self.refresh_button = QToolButton(self)
self.refresh_button.setIcon(QIcon(get_psy_icon('refresh.png')))
self.refresh_button.setToolTip('Refresh from the straditizer')
self.apply_button = EnableButton('Apply', parent=self)
self.cancel_button = EnableButton('Cancel', parent=self)
self.attrs_button = QPushButton('Attributes', parent=self)
self.tutorial_button = QPushButton('Tutorial', parent=self)
self.tutorial_button.setCheckable(True)
self.error_msg = PyErrorMessage(self)
self.stradi_combo = QComboBox()
self.btn_open_stradi = QToolButton()
self.btn_open_stradi.setIcon(QIcon(get_psy_icon('run_arrow.png')))
self.btn_close_stradi = QToolButton()
self.btn_close_stradi.setIcon(QIcon(get_psy_icon('invalid.png')))
self.btn_reload_autosaved = QPushButton("Reload")
self.btn_reload_autosaved.setToolTip(
"Close the straditizer and reload the last autosaved project")
# ---------------------------------------------------------------------
# --------------------------- Tree widgets ----------------------------
# ---------------------------------------------------------------------
self.tree.setHeaderLabels(['', ''])
self.tree.setColumnCount(2)
self.progress_item = QTreeWidgetItem(0)
self.progress_item.setText(0, 'ToDo list')
self.progress_widget = ProgressWidget(self, self.progress_item)
self.menu_actions_item = QTreeWidgetItem(0)
self.menu_actions_item.setText(0, 'Images import/export')
self.tree.addTopLevelItem(self.menu_actions_item)
self.menu_actions = StraditizerMenuActions(self)
self.digitizer_item = item = QTreeWidgetItem(0)
item.setText(0, 'Digitization control')
self.digitizer = DigitizingControl(self, item)
self.col_names_item = item = QTreeWidgetItem(0)
item.setText(0, 'Column names')
self.colnames_manager = ColumnNamesManager(self, item)
self.add_info_button(item, 'column_names.rst')
self.axes_translations_item = item = QTreeWidgetItem(0)
item.setText(0, 'Axes translations')
self.axes_translations = AxesTranslations(self, item)
self.image_transform_item = item = QTreeWidgetItem(0)
item.setText(0, 'Transform source image')
self.image_rescaler = ImageRescaler(self, item)
self.image_rotator_item = item = QTreeWidgetItem(0)
item.setText(0, 'Rotate image')
self.image_rotator = ImageRotator(self)
self.image_transform_item.addChild(item)
self.image_rotator.setup_children(item)
self.plot_control_item = item = QTreeWidgetItem(0)
item.setText(0, 'Plot control')
self.plot_control = PlotControl(self, item)
self.add_info_button(item, 'plot_control.rst')
self.marker_control_item = item = QTreeWidgetItem(0)
item.setText(0, 'Marker control')
self.marker_control = MarkerControl(self, item)
self.add_info_button(item, 'marker_control.rst')
# ---------------------------------------------------------------------
# ----------------------------- Toolbars ------------------------------
# ---------------------------------------------------------------------
self.selection_toolbar = SelectionToolbar(self, 'Selection toolbar')
# ---------------------------------------------------------------------
# ----------------------------- InfoButton ----------------------------
# ---------------------------------------------------------------------
self.info_button = InfoButton(self, get_doc_file('straditize.rst'))
# ---------------------------------------------------------------------
# --------------------------- Layouts ---------------------------------
# ---------------------------------------------------------------------
stradi_box = QHBoxLayout()
stradi_box.addWidget(self.stradi_combo, 1)
stradi_box.addWidget(self.btn_open_stradi)
stradi_box.addWidget(self.btn_close_stradi)
attrs_box = QHBoxLayout()
attrs_box.addWidget(self.attrs_button)
attrs_box.addStretch(0)
attrs_box.addWidget(self.tutorial_button)
btn_box = QHBoxLayout()
btn_box.addWidget(self.refresh_button)
btn_box.addWidget(self.info_button)
btn_box.addStretch(0)
btn_box.addWidget(self.apply_button)
btn_box.addWidget(self.cancel_button)
reload_box = QHBoxLayout()
reload_box.addWidget(self.btn_reload_autosaved)
reload_box.addStretch(0)
vbox = QVBoxLayout()
vbox.addLayout(stradi_box)
vbox.addWidget(self.tree)
vbox.addLayout(attrs_box)
vbox.addLayout(btn_box)
vbox.addLayout(reload_box)
self.setLayout(vbox)
self.apply_button.setEnabled(False)
self.cancel_button.setEnabled(False)
self.tree.expandItem(self.progress_item)
self.tree.expandItem(self.digitizer_item)
# ---------------------------------------------------------------------
# --------------------------- Connections -----------------------------
# ---------------------------------------------------------------------
self.stradi_combo.currentIndexChanged.connect(self.set_current_stradi)
self.refresh_button.clicked.connect(self.refresh)
self.attrs_button.clicked.connect(self.edit_attrs)
self.tutorial_button.clicked.connect(self.start_tutorial)
self.open_external.connect(self._create_straditizer_from_args)
self.btn_open_stradi.clicked.connect(
self.menu_actions.open_straditizer)
self.btn_close_stradi.clicked.connect(self.close_straditizer)
self.btn_reload_autosaved.clicked.connect(self.reload_autosaved)
self.refresh()
header = self.tree.header()
header.setStretchLastSection(False)
header.setSectionResizeMode(0, QHeaderView.Stretch)
def disable_apply_button(self):
"""Method that is called when the :attr:`cancel_button` is clicked"""
for w in [self.apply_button, self.cancel_button]:
try:
w.clicked.disconnect()
except TypeError:
pass
w.setEnabled(False)
self.apply_button.setText('Apply')
self.cancel_button.setText('Cancel')
self.refresh_button.setEnabled(True)
def switch_to_straditizer_layout(self):
"""Switch to the straditizer layout
This method makes this widget visible and stacks it with the psyplot
content widget"""
mainwindow = self.dock.parent()
mainwindow.figures_tree.hide_plugin()
mainwindow.ds_tree.hide_plugin()
mainwindow.fmt_widget.hide_plugin()
self.show_plugin()
mainwindow.tabifyDockWidget(mainwindow.project_content.dock, self.dock)
hsize = self.marker_control.sizeHint().width() + 50
self.menu_actions.setup_shortcuts(mainwindow)
if with_qt5:
mainwindow.resizeDocks([self.dock], [hsize], Qt.Horizontal)
self.tree.resizeColumnToContents(0)
self.tree.resizeColumnToContents(1)
self.info_button.click()
def to_dock(self, main, *args, **kwargs):
ret = super(StraditizerWidgets, self).to_dock(main, *args, **kwargs)
if self.menu_actions.window_layout_action is None:
main.window_layouts_menu.addAction(self.window_layout_action)
main.callbacks['straditize'] = self.open_external.emit
main.addToolBar(self.selection_toolbar)
self.dock.toggleViewAction().triggered.connect(
self.show_or_hide_toolbar)
self.menu_actions.setup_menu_actions(main)
self.menu_actions.setup_children(self.menu_actions_item)
try:
main.open_file_options['Straditize project'] = \
self.create_straditizer_from_args
except AttributeError: # psyplot-gui <= 1.1.0
pass
return ret
def show_or_hide_toolbar(self):
"""Show or hide the toolbar depending on the visibility of this widget
"""
self.selection_toolbar.setVisible(self.is_shown)
def _create_straditizer_from_args(self, args):
"""A method that is called when the :attr:`psyplot_gui.main.mainwindow`
receives a 'straditize' callback"""
self.create_straditizer_from_args(*args)
def create_straditizer_from_args(self,
fnames,
project=None,
xlim=None,
ylim=None,
full=False,
reader_type='area'):
"""Create a straditizer from the given file name
This method is called when the :attr:`psyplot_gui.main.mainwindow`
receives a 'straditize' callback"""
fname = fnames[0]
if fname is not None:
self.menu_actions.open_straditizer(fname)
stradi = self.straditizer
if stradi is None:
return
if xlim is not None:
stradi.data_xlim = xlim
if ylim is not None:
stradi.data_ylim = ylim
if xlim is not None or ylim is not None or full:
if stradi.data_xlim is None:
stradi.data_xlim = [0, np.shape(stradi.image)[1]]
if stradi.data_ylim is None:
stradi.data_ylim = [0, np.shape(stradi.image)[0]]
stradi.init_reader(reader_type)
stradi.data_reader.digitize()
self.refresh()
if not self.is_shown:
self.switch_to_straditizer_layout()
return fname is not None
def start_tutorial(self, state, tutorial_cls=None):
"""Start or stop the tutorial
Parameters
----------
state: bool
If False, the tutorial is stopped. Otherwise it is started
tutorial_cls: straditize.widgets.tutorial.beginner.Tutorial
The tutorial class to use. If None, it will be asked in a
QInputDialog"""
if self.tutorial is not None or not state:
self.tutorial.close()
self.tutorial_button.setText('Tutorial')
elif state:
if tutorial_cls is None:
tutorial_cls, ok = QInputDialog.getItem(
self,
'Start tutorial',
"Select the tutorial type",
["Beginner", "Advanced (Hoya del Castillo)"],
editable=False)
if not ok:
self.tutorial_button.blockSignals(True)
self.tutorial_button.setChecked(False)
self.tutorial_button.blockSignals(False)
return
if tutorial_cls == 'Beginner':
from straditize.widgets.tutorial import Tutorial
else:
from straditize.widgets.tutorial import (
HoyaDelCastilloTutorial as Tutorial)
else:
Tutorial = tutorial_cls
self.tutorial = Tutorial(self)
self.tutorial_button.setText('Stop tutorial')
def edit_attrs(self):
"""Edit the attributes of the current straditizer
This creates a new dataframe editor to edit the
:attr:`straditize.straditizer.Straditizer.attrs` meta informations"""
def add_attr(key):
model = editor.table.model()
n = len(attrs)
model.insertRow(n)
model.setData(model.index(n, 0), key)
model.setData(model.index(n, 1), '', change_type=six.text_type)
from psyplot_gui.main import mainwindow
from straditize.straditizer import common_attributes
attrs = self.straditizer.attrs
editor = mainwindow.new_data_frame_editor(attrs,
'Straditizer attributes')
editor.table.resizeColumnToContents(1)
editor.table.horizontalHeader().setVisible(False)
editor.table.frozen_table_view.horizontalHeader().setVisible(False)
combo = QComboBox()
combo.addItems([''] + common_attributes)
combo.currentTextChanged.connect(add_attr)
hbox = QHBoxLayout()
hbox.addWidget(QLabel('Common attributes:'))
hbox.addWidget(combo)
hbox.addStretch(0)
editor.layout().insertLayout(1, hbox)
return editor, combo
def refresh(self):
"""Refresh from the straditizer"""
for i, stradi in enumerate(self._straditizers):
self.stradi_combo.setItemText(
i,
self.get_attr(stradi, 'project_file')
or self.get_attr(stradi, 'image_file') or '')
# toggle visibility of close button and attributes button
enable = self.straditizer is not None
self.btn_close_stradi.setVisible(enable)
self.attrs_button.setEnabled(enable)
# refresh controls
self.menu_actions.refresh()
self.progress_widget.refresh()
self.digitizer.refresh()
self.selection_toolbar.refresh()
self.plot_control.refresh()
self.marker_control.refresh()
self.axes_translations.refresh()
if self.tutorial is not None:
self.tutorial.refresh()
self.image_rotator.refresh()
self.image_rescaler.refresh()
self.colnames_manager.refresh()
self.btn_reload_autosaved.setEnabled(bool(self.autosaved))
def get_attr(self, stradi, attr):
try:
return stradi.get_attr(attr)
except KeyError:
pass
docstrings.delete_params('InfoButton.parameters', 'parent')
@docstrings.get_sectionsf('StraditizerWidgets.add_info_button')
@docstrings.with_indent(8)
def add_info_button(self,
child,
fname=None,
rst=None,
name=None,
connections=[]):
"""Add an infobutton to the :attr:`tree` widget
Parameters
----------
child: QTreeWidgetItem
The item to which to add the infobutton
%(InfoButton.parameters.no_parent)s
connections: list of QPushButtons
Buttons that should be clicked when the info button is clicked"""
button = InfoButton(self, fname=fname, rst=rst, name=name)
self.tree.setItemWidget(child, 1, button)
for btn in connections:
btn.clicked.connect(button.click)
return button
def raise_figures(self):
"""Raise the figures of the current straditizer in the GUI"""
from psyplot_gui.main import mainwindow
if mainwindow.figures and self.straditizer:
dock = self.straditizer.ax.figure.canvas.manager.window
dock.widget().show_plugin()
dock.raise_()
if self.straditizer.magni is not None:
dock = self.straditizer.magni.ax.figure.canvas.manager.window
dock.widget().show_plugin()
dock.raise_()
def set_current_stradi(self, i):
"""Set the i-th straditizer to the current one"""
if not self._straditizers:
return
self.straditizer = self._straditizers[i]
self.menu_actions.set_stradi_in_console()
block = self.stradi_combo.blockSignals(True)
self.stradi_combo.setCurrentIndex(i)
self.stradi_combo.blockSignals(block)
self.raise_figures()
self.refresh()
self.autosaved.clear()
def _close_stradi(self, stradi):
"""Close the given straditizer and all it's figures"""
is_current = stradi is self.straditizer
if is_current:
self.selection_toolbar.disconnect()
stradi.close()
try:
i = self._straditizers.index(stradi)
except ValueError:
pass
else:
del self._straditizers[i]
self.stradi_combo.removeItem(i)
if is_current and self._straditizers:
self.stradi_combo.setCurrentIndex(0)
elif not self._straditizers:
self.straditizer = None
self.refresh()
self.digitizer.digitize_item.takeChildren()
self.digitizer.btn_digitize.setChecked(False)
self.digitizer.btn_digitize.setCheckable(False)
self.digitizer.toggle_txt_tolerance('')
def close_straditizer(self):
"""Close the current straditizer"""
self._close_stradi(self.straditizer)
def close_all_straditizers(self):
"""Close all straditizers"""
self.selection_toolbar.disconnect()
for stradi in self._straditizers:
stradi.close()
self._straditizers.clear()
self.straditizer = None
self.stradi_combo.clear()
self.digitizer.digitize_item.takeChildren()
self.digitizer.btn_digitize.setChecked(False)
self.digitizer.btn_digitize.setCheckable(False)
self.digitizer.toggle_txt_tolerance('')
self.refresh()
def add_straditizer(self, stradi):
"""Add a straditizer to the list of open straditizers"""
if stradi and stradi not in self._straditizers:
self._straditizers.append(stradi)
self.stradi_combo.addItem(' ')
self.set_current_stradi(len(self._straditizers) - 1)
def reset_control(self):
"""Reset the GUI of straditize"""
if getattr(self.selection_toolbar, '_pattern_selection', None):
self.selection_toolbar._pattern_selection.remove_plugin()
del self.selection_toolbar._pattern_selection
if getattr(self.digitizer, '_samples_editor', None):
self.digitizer._close_samples_fig()
tb = self.selection_toolbar
tb.set_label_wand_mode()
tb.set_rect_select_mode()
tb.new_select_action.setChecked(True)
tb.select_action.setChecked(False)
tb.wand_action.setChecked(False)
self.disable_apply_button()
self.close_all_straditizers()
self.colnames_manager.reset_control()
def autosave(self):
"""Autosave the current straditizer"""
self.autosaved = [self.straditizer.to_dataset().copy(True)] + \
self.autosaved[:4]
def reload_autosaved(self):
"""Reload the autosaved straditizer and close the old one"""
from straditize.straditizer import Straditizer
if not self.autosaved:
return
answer = QMessageBox.question(
self, 'Reload autosave',
'Shall I reload the last autosaved stage? This will close the '
'current figures.')
if answer == QMessageBox.Yes:
self.close_straditizer()
stradi = Straditizer.from_dataset(self.autosaved.pop(0))
self.menu_actions.finish_loading(stradi)
class HelpExplorer(QWidget, DockMixin):
"""A widget for showing the documentation. It behaves somewhat similar
to spyders object inspector plugin and can show restructured text either
as html (if sphinx is installed) or as plain text. It furthermore has a
browser to show html content
Warnings
--------
The :class:`HelpBrowser` class is known to crash under PyQt4 when new web
page domains are loaded. Hence you should disable the browsing to different
remote websites and even disable intersphinx"""
#: The viewer classes used by the help explorer. :class:`HelpExplorer`
#: instances replace this attribute with the corresponding HelpMixin
#: instance
viewers = OrderedDict([('HTML help', UrlHelp), ('Plain text', TextHelp)])
def __init__(self, *args, **kwargs):
super(HelpExplorer, self).__init__(*args, **kwargs)
self.vbox = vbox = QVBoxLayout()
self.combo = QComboBox(parent=self)
vbox.addWidget(self.combo)
self.viewers = OrderedDict([
(key, cls(parent=self)) for key, cls in six.iteritems(self.viewers)
])
for key, ini in six.iteritems(self.viewers):
self.combo.addItem(key)
ini.hide()
vbox.addWidget(ini)
self.viewer = next(six.itervalues(self.viewers))
self.viewer.show()
self.combo.currentIndexChanged[str].connect(self.set_viewer)
self.setLayout(vbox)
def set_viewer(self, name):
"""Sets the current documentation viewer
Parameters
----------
name: str or object
A string must be one of the :attr:`viewers` attribute. An object
can be one of the values in the :attr:`viewers` attribute"""
if isstring(name) and asstring(name) not in self.viewers:
raise ValueError("Don't have a viewer named %s" % (name, ))
elif not isstring(name):
viewer = name
else:
name = asstring(name)
viewer = self.viewers[name]
self.viewer.hide()
self.viewer = viewer
self.viewer.show()
if (isstring(name) and not self.combo.currentText() == name):
self.combo.setCurrentIndex(list(self.viewers).index(name))
@docstrings.dedent
def show_help(self, obj, oname='', files=None):
"""
Show the documentaion of the given object
We first try to use the current viewer based upon it's
:attr:`HelpMixin.can_document_object` attribute. If this does not work,
we check the other viewers
Parameters
----------
%(HelpMixin.show_help.parameters)s"""
oname = asstring(oname)
ret = None
if self.viewer.can_document_object:
try:
ret = self.viewer.show_help(obj, oname=oname, files=files)
except Exception:
logger.debug("Could not document %s with %s viewer!",
oname,
self.combo.currentText(),
exc_info=True)
else:
curr_i = self.combo.currentIndex()
for i, (viewername,
viewer) in enumerate(six.iteritems(self.viewers)):
if i != curr_i and viewer.can_document_object:
self.set_viewer(viewername)
self.combo.blockSignals(True)
self.combo.setCurrentIndex(i)
self.combo.blockSignals(False)
try:
ret = viewer.show_help(obj, oname=oname, files=files)
except Exception:
logger.debug("Could not document %s with %s viewer!",
oname,
viewername,
exc_info=True)
if ret:
self.parent().raise_()
return ret
@docstrings.dedent
def show_rst(self, text, oname='', files=None):
"""
Show restructured text
We first try to use the current viewer based upon it's
:attr:`HelpMixin.can_show_rst` attribute. If this does not work,
we check the other viewers
Parameters
----------
%(HelpMixin.show_rst.parameters)s"""
ret = None
if self.viewer.can_show_rst:
ret = self.viewer.show_rst(text, oname=oname, files=files)
else:
for viewer in six.itervalues(self.viewers):
if viewer.can_show_rst:
self.set_viewer(viewer)
ret = viewer.show_rst(text, oname=oname, files=files)
break
if ret:
self.parent().raise_()
return ret
@docstrings.dedent
def show_intro(self, text=''):
"""
Show an intro text
We first try to use the current viewer based upon it's
:attr:`HelpMixin.can_show_rst` attribute. If this does not work,
we check the other viewers
Parameters
----------
%(HelpMixin.show_intro.parameters)s"""
found = False
for i, viewer in enumerate(six.itervalues(self.viewers)):
viewer.show_intro(text)
if not found and viewer.can_show_rst:
if i:
self.set_viewer(viewer)
found = True
def close(self, *args, **kwargs):
self.viewers['HTML help'].close(*args, **kwargs)
return super(HelpExplorer, self).close(*args, **kwargs)
class HelpExplorer(QWidget, DockMixin):
"""A widget for showing the documentation. It behaves somewhat similar
to spyders object inspector plugin and can show restructured text either
as html (if sphinx is installed) or as plain text. It furthermore has a
browser to show html content
Warnings
--------
The :class:`HelpBrowser` class is known to crash under PyQt4 when new web
page domains are loaded. Hence you should disable the browsing to different
remote websites and even disable intersphinx"""
#: The viewer classes used by the help explorer. :class:`HelpExplorer`
#: instances replace this attribute with the corresponding HelpMixin
#: instance
viewers = OrderedDict([('HTML help', UrlHelp), ('Plain text', TextHelp)])
def __init__(self, *args, **kwargs):
super(HelpExplorer, self).__init__(*args, **kwargs)
self.vbox = vbox = QVBoxLayout()
self.combo = QComboBox(parent=self)
vbox.addWidget(self.combo)
self.viewers = OrderedDict(
[(key, cls(parent=self)) for key, cls in six.iteritems(
self.viewers)])
for key, ini in six.iteritems(self.viewers):
self.combo.addItem(key)
ini.hide()
vbox.addWidget(ini)
self.viewer = next(six.itervalues(self.viewers))
self.viewer.show()
self.combo.currentIndexChanged[str].connect(self.set_viewer)
self.setLayout(vbox)
def set_viewer(self, name):
"""Sets the current documentation viewer
Parameters
----------
name: str or object
A string must be one of the :attr:`viewers` attribute. An object
can be one of the values in the :attr:`viewers` attribute"""
if isstring(name) and asstring(name) not in self.viewers:
raise ValueError("Don't have a viewer named %s" % (name, ))
elif not isstring(name):
viewer = name
else:
name = asstring(name)
viewer = self.viewers[name]
self.viewer.hide()
self.viewer = viewer
self.viewer.show()
if (isstring(name) and
not self.combo.currentText() == name):
self.combo.setCurrentIndex(list(self.viewers).index(name))
@docstrings.dedent
def show_help(self, obj, oname='', files=None):
"""
Show the documentaion of the given object
We first try to use the current viewer based upon it's
:attr:`HelpMixin.can_document_object` attribute. If this does not work,
we check the other viewers
Parameters
----------
%(HelpMixin.show_help.parameters)s"""
oname = asstring(oname)
ret = None
if self.viewer.can_document_object:
try:
ret = self.viewer.show_help(obj, oname=oname, files=files)
except Exception:
logger.debug("Could not document %s with %s viewer!",
oname, self.combo.currentText(), exc_info=True)
else:
curr_i = self.combo.currentIndex()
for i, (viewername, viewer) in enumerate(
six.iteritems(self.viewers)):
if i != curr_i and viewer.can_document_object:
self.set_viewer(viewername)
self.combo.blockSignals(True)
self.combo.setCurrentIndex(i)
self.combo.blockSignals(False)
try:
ret = viewer.show_help(obj, oname=oname, files=files)
except Exception:
logger.debug("Could not document %s with %s viewer!",
oname, viewername, exc_info=True)
if ret:
self.parent().raise_()
return ret
@docstrings.dedent
def show_rst(self, text, oname='', files=None):
"""
Show restructured text
We first try to use the current viewer based upon it's
:attr:`HelpMixin.can_show_rst` attribute. If this does not work,
we check the other viewers
Parameters
----------
%(HelpMixin.show_rst.parameters)s"""
ret = None
if self.viewer.can_show_rst:
ret = self.viewer.show_rst(text, oname=oname, files=files)
else:
for viewer in six.itervalues(self.viewers):
if viewer.can_show_rst:
self.set_viewer(viewer)
ret = viewer.show_rst(text, oname=oname, files=files)
break
if ret:
self.parent().raise_()
return ret
@docstrings.dedent
def show_intro(self, text=''):
"""
Show an intro text
We first try to use the current viewer based upon it's
:attr:`HelpMixin.can_show_rst` attribute. If this does not work,
we check the other viewers
Parameters
----------
%(HelpMixin.show_intro.parameters)s"""
found = False
for i, viewer in enumerate(six.itervalues(self.viewers)):
viewer.show_intro(text)
if not found and viewer.can_show_rst:
if i:
self.set_viewer(viewer)
found = True
def close(self, *args, **kwargs):
self.viewers['HTML help'].close(*args, **kwargs)
return super(HelpExplorer, self).close(*args, **kwargs)
