class File_Saver(pride.gui.form.Scrollable_Window):
defaults = {"data" : bytes(), "filename" : '', "autodelete" : False,
"location" : "top"}
subcomponents = {"vertical_slider" : Component(location=None),
"horizontal_slider" : Component(location=None),
"_file_saver" : Component("pride.gui.programs.fileexplorer._File_Saver",
h_range=(0, .1), location="left"),
"directory_viewer" :
Component("pride.gui.programs.fileexplorer.Directory_Viewer",
location="left")}
autoreferences = ("prompt", "file_saver", "directory_viewer")
def create_subcomponents(self):
super(File_Saver, self).create_subcomponents()
window = self.main_window
self.file_saver = window.create(self._file_saver_type, data=self.data,
target_object=self,
**self._file_saver_kwargs)
self.directory_viewer = window.create(self.directory_viewer_type,
**self.directory_viewer_kwargs)
def save_data(self, overwrite=False):
filename = os.path.join(self.directory_viewer.current_node,
self.filename)
filename = os.path.expanduser(filename)
already_exists = os.path.exists(filename)
if already_exists and self.prompt is None:
if overwrite == False:
self.prompt = self.main_window.create(Overwrite_Prompt)
#else:
# if self.prompt is not None and not self.prompt.deleted:
# self.prompt.delete()
# assert self.prompt is None
if overwrite or not already_exists:
size = len(self.data)
units = ["bytes", "KB", "MB", "GB", "TB"]
index = 0
while size > 1024:
index += 1
size /= 1024.0
self.show_status("Saving {0:.2f}{1} to {2}...".format(size, units[index], filename))
try:
with open(filename, "wb") as _file:
_file.write(self.data)
except IOError:
if os.path.exists(filename):
raise
self.show_status("Unable to write to file {}; Ensure all directories exist and are spelled correctly and try again.".format(filename))
else:
if self.autodelete:
self.delete()
class Theme_Editor(pride.gui.link.Linked_Form):
defaults = {"target_theme" : None}
subcomponents = {"form" :
Component("pride.gui.programs.themecustomizer2.Theme_Form"),
"tab_bar" : Component(include_new_tab_button=False),
"file_saver" :
Component("pride.gui.programs.fileexplorer.File_Saver",
location="top", autodelete=True),
"file_selector" :
Component("pride.gui.programs.fileexplorer.File_Selector")}
autoreferences = ("file_saver", "file_selector")
def create_subcomponents(self):
if self.target_theme is None:
self.target_theme = self.theme
theme = self.target_theme
theme_editor_layout = generate_theme_editor_layout(theme)
options_layout = generate_options_layout()
self.layout = layout(links=(page("editor", theme_editor_layout),
page("options", options_layout)))
super(Theme_Editor, self).create_subcomponents()
def save_theme(self):
if self.file_saver is None:
# have to use this window to make the result look "right"
window = self.main_window.children[0].form.main_window
file_saver = window.create(self.file_saver_type,
data=self.theme.serialize(),
**self.file_saver_kwargs)
self.file_saver = file_saver
else:
self.file_saver.delete()
def load_theme(self):
if self.file_selector is None:
# have to use this window to make the result look "right"
window = self.main_window.children[0].form.main_window
file_selector = window.create(self.file_selector_type,
callback=self._load_theme,
**self.file_selector_kwargs)
self.file_selector = file_selector
else:
self.file_selector.delete()
def _load_theme(self, filename):
with open(filename, 'r') as _file:
_bytes = _file.read()
theme_colors = self.theme.deserialize(_bytes)
self.theme.update_theme_colors(theme_colors)
class Spinbox(Field):
defaults = {"minimum" : None, "maximum" : None}
# can only use either minimum or maximum but not both by default
# must specify Spinbox type explicitly if min and max are used.
subcomponents = {"entry" : Component("pride.gui.fields.Spinbox_Entry",
location="left")}
interface = (tuple(), ("minimum", "maximum"))
def create_entry(self, location):
container = self.create(pride.gui.gui.Container, location=location)
entry_type = self.entry_type
entry = self.entry = container.create(entry_type, parent_field=self,
tip_bar_text=self.tip_bar_text,
**self.entry_kwargs)
if self.editable:
subcontainer = container.create(pride.gui.gui.Container,
location="left",
w_range=(0, .05))
kwargs = {"target_entry" : entry, "location" : "top"}
self.inc_button = subcontainer.create(Increment_Button, **kwargs)
assert kwargs == {"target_entry" : entry, "location" : "top"}
self.dec_button = subcontainer.create(Decrement_Button, **kwargs)
def handle_value_changed(self, old_value, new_value):
return super(Spinbox, self).handle_value_changed(int(old_value), int(new_value))
class Callable_Field(Field):
defaults = {"orientation" : "side by side",
"has_label" : False, "button_text" : '', "args" : tuple()}
mutable_defaults = {"kwargs" : dict}
subcomponents = {"entry" : Component("pride.gui.fields.Callable_Entry",
scale_to_text=True)}
interface = (tuple(), ("button_text", "args", "kwargs"))
def create_entry(self, location):
super(Callable_Field, self).create_entry(location)
self.entry.text = self.entry.text # .text may not get set, if so then scale_to_text wont happen
def delete(self):
del self.kwargs
super(Callable_Field, self).delete()
class Media_Entry(Entry):
subcomponents = {"player" : Component("pride.gui.fields.Media_Player")}
autoreferences = ("player", )
def _get_text(self):
return ''
def _set_text(self, value):
super(Media_Entry, self)._set_text(value)
text = property(_get_text, _set_text)
def __init__(self, **kwargs):
super(Media_Entry, self).__init__(**kwargs)
self.create_subcomponents()
def create_subcomponents(self):
self.player = self.create(self.player_type,
**self.player_kwargs)
class Theme_Form(pride.gui.form.Form):
subcomponents = {"form" :
Component("pride.gui.programs.themecustomizer2.Theme_Form")}
def get_parent_theme_editor(self):
parent = self.parent
while not hasattr(parent, "target_theme"):
parent = parent.parent
return parent
def handle_value_changed(self, field, old, new):
self.get_parent_theme_editor().target_theme.update_theme_users()
def save_theme(self):
self.get_parent_theme_editor().save_theme()
def load_theme(self):
self.get_parent_theme_editor().load_theme()
class Linked_Form(pride.gui.tabs.Tabbed_Window):
subcomponents = {"form" : Component("pride.gui.form2.Remote_Form")}
autoreferences = ("form", )
def create_subcomponents(self):
_layout = self.layout
form_type = self.form_type
tabs = []
for page_id, page_layout in _layout[-1].get("links", tuple()):
target = lazy_loaded(Linked_Form, layout=page_layout,
form_type=form_type)
tabs.append(tab_info(target, button_text=page_id,
entry_kwargs={"scale_to_text" : False}))
self.tab_bar_kwargs["tab_info"] = tabs
super(Linked_Form, self).create_subcomponents()
if not tabs:
self.tab_bar.hide()
if _layout[0]:
self.form = self.main_window.create(form_type, layout=_layout)
class Media_Player(pride.gui.link.Linked_Form):
defaults = {"filename": ''}
parser_args = ("filename", )
parser_modifiers = {"filename": {"types": ("positional", )}}
subcomponents = {"tab_bar": Component(include_new_tab_button=False)}
def create_subcomponents(self):
filename = self.filename
alias = os.path.split(filename)[-1]
manifest, manifest_data = load_resources((alias, filename))
control_page = \
page("controls",
layout(
row_info(0,
field_info("filename",
field_type="pride.gui.fields.Media_Field",
play_when_opened=True)),
manifest=manifest, filename=alias))
resource_id = manifest[alias]
store_resource(resource_id, manifest_data[alias])
self.layout = control_page[1] #layout(links=(control_page, ))
super(Media_Player, self).create_subcomponents()
class Slider_Field(Field):
predefaults = {"_minimum" : 0, "_maximum" : 0}
interface = (tuple(), ("minimum", "maximum"))
subcomponents = {"entry" : Component("pride.gui.fields.Slider_Entry")}
def _get_minimum(self):
return self._minimum
def _set_minimum(self, value):
self._minimum = value
if self.minimum == self.maximum:
self.hide()
else:
self.show()
minimum = property(_get_minimum, _set_minimum)
def _get_maximum(self):
return self._maximum
def _set_maximum(self, value):
self._maximum = value
if self.minimum == self.maximum:
self.hide()
else:
self.show()
try:
self.entry.max_button.entry.texture_invalid = True
except AttributeError:
pass
maximum = property(_get_maximum, _set_maximum)
def handle_transition_animation_end(self):
super(Slider_Field, self).handle_transition_animation_end()
self.update_position_from_value()
def update_position_from_value(self):
self.entry.continuum.update_position_from_value()
class Scrollable_Window(pride.gui.gui.Window):
predefaults = {"_x_scroll_value": 0, "_y_scroll_value": 0}
autoreferences = ("main_window", "vertical_slider", "horizontal_slider")
subcomponents = {
"vertical_slider":
Component("pride.gui.fields.Slider_Field",
location="right",
orientation="stacked",
w_range=(0, .025),
name="y_scroll_value",
minimum=0,
maximum=0,
has_label=False,
entry_kwargs={"orientation": "stacked"}),
"horizontal_slider":
Component("pride.gui.fields.Slider_Field",
h_range=(0, .025),
has_label=False,
name="x_scroll_value",
minimum=0,
maximum=0,
location="bottom",
orientation="side by side"),
"main_window":
Component("pride.gui.gui.Window", location="main")
}
interface = (tuple(), ("horizontal_slider_kwargs",
"vertical_slider_kwargs"))
def _get_y_scroll_value(self):
return self._y_scroll_value
def _set_y_scroll_value(self, new_value):
old_value = self._y_scroll_value
self._y_scroll_value = new_value
self.handle_y_scroll(old_value, new_value)
y_scroll_value = property(_get_y_scroll_value, _set_y_scroll_value)
def _get_x_scroll_value(self):
return self._x_scroll_value
def _set_x_scroll_value(self, new_value):
old_value = self._x_scroll_value
self._x_scroll_value = new_value
self.handle_x_scroll(old_value, new_value)
x_scroll_value = property(_get_x_scroll_value, _set_x_scroll_value)
def __init__(self, **kwargs):
super(Scrollable_Window, self).__init__(**kwargs)
self.create_subcomponents()
def create_subcomponents(self):
self.main_window = self.create(self.main_window_type,
**self.main_window_kwargs)
kwargs = self.vertical_slider_kwargs
location = kwargs["location"]
if location is not None:
slider_type = self.vertical_slider_type
self.vertical_slider = self.create(slider_type,
target_object=self,
**kwargs)
kwargs = self.horizontal_slider_kwargs
location = kwargs["location"]
if location is not None:
slider_type = self.horizontal_slider_type
self.horizontal_slider = self.create(slider_type,
target_object=self,
**kwargs)
def handle_x_scroll(self, old_value, new_value):
pass
def handle_y_scroll(self, old_value, new_value):
pass
class Image_Field(Field):
subcomponents = {"entry" : Component("pride.gui.fields.Image_Entry")}
class _Endcap(Text_Field):
defaults = {"editable" : False, "has_label" : False}
subcomponents = {"entry" : Component("pride.gui.fields._Endcap_Entry")}
class Field(pride.gui.gui.Container):
defaults = {"name" : '', "orientation" : "stacked",
"_value_initialized" : False, "field_type" : None,
"editable" : True, "location" : "left", "has_label" : True,
"display_name" : ''}
subcomponents = {"entry" : Component("pride.gui.fields.Entry"),
"label" : Component("pride.gui.gui.Container")}
predefaults = {"target_object" : None}
autoreferences = ("label", "parent_form", "entry")
allowed_values = {"orientation" : ("stacked", "side by side")}
interface = (tuple(), ("name", "orientation", "field_type", "editable",
"location", "has_label", "display_name",
"entry_kwargs"))
def _get_value(self):
try:
return getattr(self.target_object, self.name)
except (TypeError, AttributeError) as exception:
try:
return self.target_object[self.name]
except TypeError:
raise exception
def _set_value(self, value):
if self.editable:
old_value = self.value
if self.handle_value_changed(old_value, value):
try:
setattr(self.target_object, self.name, value)
except (TypeError, AttributeError) as exception:
assert hasattr(self, "target_object")
try: # duck typing might fail for mapping-like objects that don't restrict attribute assignment the way a dict does
self.target_object[self.name] = value
except TypeError:
if hasattr(self, "target_object") and hasattr(self, "name"):
raise exception
self.entry.texture_invalid = True # updates text later
parent_form = self.parent_form
if parent_form is not None:
parent_form.handle_value_changed(self, old_value, value)
value = property(_get_value, _set_value)
def __init__(self, **kwargs):
super(Field, self).__init__(**kwargs)
self.create_subcomponents()
def create_subcomponents(self):
label_kwargs = self.label_kwargs
orientation = self.orientation
if orientation == "stacked":
location = "top"
label_kwargs.setdefault("scale_to_text", False)
label_kwargs.setdefault("h_range", (0, .05))
else:
assert orientation == "side by side"
location = "left"
assert self.label is None
self.create_label(location, **label_kwargs)
self.create_entry(location)
assert hasattr(self, "parent_form")
def create_label(self, location, **label_kwargs):
label_kwargs.setdefault("tip_bar_text", self.tip_bar_text)
label_kwargs.setdefault("location", location)
label_kwargs.setdefault("text", self.display_name or self.name)
self.label = self.create(self.label_type, **label_kwargs)
if not self.has_label:
self.label.hide()
def create_entry(self, location):
kwargs = self.entry_kwargs
kwargs.setdefault("location", location)
entry_type = self.entry_type
self.entry = self.create(entry_type, parent_field=self, **kwargs)
def handle_value_changed(self, old_value, new_value):
if old_value == new_value:
return False
self.alert("Value changing from {} to {}".format(old_value, new_value),
level=self.verbosity["handle_value_changed"])
return True
def delete(self):
del self.entry_kwargs
del self.target_object
super(Field, self).delete()
class Toggle(Field):
subcomponents = {"entry" : Component("pride.gui.fields.Toggle_Entry")}
class Form(Scrollable_Window):
defaults = {"target_object": None, "max_rows": 4}
subcomponents = {
"row": Component("pride.gui.form.Row",
location="top",
h_range=(0, 1.0)),
"horizontal_slider": Component(location=None)
}
mutable_defaults = {
"rows": dict,
"visible_rows": list,
"layout": layout,
"manifest": dict
}
interface = (tuple(), ("max_rows", "manifest"))
hotkeys = {("\t", None): "handle_tab"}
autoreferences = ("selected_entry", )
def _get_fields(self):
rows = self.rows
return iterrows(rows)
fields = property(_get_fields)
def create_subcomponents(self):
if self.target_object is None:
self.target_object = self
for key, value in self.layout[-1].iteritems():
setattr(self, key, value)
super(Form, self).create_subcomponents()
_row_info = self.layout[0]
max_rows = self.max_rows
amount = max_rows
# make a fixed number of visible rows
# set the rows to represent the data of a given range of row_infos
window = self.main_window
self.visible_rows = [
window.create(Visible_Row) for count in range(amount)
]
visible_rows = self.visible_rows
for row_no in range(amount):
try:
self.create_row(_row_info[row_no])
except KeyError:
if row_no in _row_info:
raise
break
self.load_rows()
if self.selected_entry is None and self.rows:
try:
self.selected_entry = self.rows[0].fields[0].entry
except IndexError:
pass
self.synchronize_scroll_bars()
def unload_rows(self, new_row_indices):
for row in self.visible_rows:
row.unload_row(new_row_indices)
def load_rows(self):
start = self.y_scroll_value
rows = self.rows
visible_rows = self.visible_rows
row_infos = self.layout[0]
max_rows = self.max_rows
amount = min(max_rows, len(row_infos))
# must unload rows before calling load_row
self.unload_rows(range(start, start + amount))
for offset in range(amount):
row_no = start + offset
try:
row = self.load_row(row_no)
except KeyError:
break
visible_row = visible_rows[offset]
row.show()
visible_row.load_row(row)
visible_row.show()
excess = max_rows - amount
if excess:
for offset in range(excess):
row_no = start + amount + offset
visible_rows[row_no].hide()
def load_row(self, row_no):
try:
return self.rows[row_no]
except KeyError:
self.create_row(self.layout[0][row_no])
return self.rows[row_no]
def create_row(self, _row_info):
kwargs = copy.deepcopy(self.row_kwargs)
row_type = self.row_type
row_no, row_kwargs = _row_info[0], _row_info[-1]
deep_update(kwargs, row_kwargs)
kwargs.setdefault("row_number", row_no)
window = self.main_window
row = window.create(row_type, **kwargs)
self.rows[row_no] = row
_field_infos = _row_info[1:-1][0]
for _field_info in _field_infos:
self.create_field(_field_info, row)
row.hide()
window.remove(row)
return row
def create_field(self, _field_info, row):
field_name, field_kwargs = _field_info
target_object = field_kwargs.get("target_object", self.target_object)
field_type = self.determine_field_type(target_object, field_name,
field_kwargs)
field_kwargs.setdefault("target_object", self.target_object)
field_kwargs["name"] = field_name
field = row.create(
field_type,
parent_form=self,
field_no=sum(len(_row.fields) for _row in self.rows.values()),
**field_kwargs)
del field_kwargs["target_object"]
row.fields.append(field)
return field
def determine_field_type(self, target_object, name, field_kwargs):
field_type = field_kwargs.get("field_type", None)
if field_type is None:
try:
value = getattr(target_object, name)
except AttributeError as exception:
try:
value = target_object[name]
except TypeError:
raise exception
#if hasattr(value, "field_type"):
# field_type = value.field_type
# check for dropdowns before checking value
if "values" in field_kwargs:
field_type = "pride.gui.fields.Dropdown_Field"
# check for Slider before checking for int/float
elif "minimum" in field_kwargs and "maximum" in field_kwargs:
field_type = "pride.gui.fields.Slider_Field"
# must compare for bool before comparing for int; bool is a subclass of int
elif isinstance(value, bool):
field_type = "pride.gui.fields.Toggle"
elif isinstance(value, int) or isinstance(value, float):
field_type = "pride.gui.fields.Spinbox"
elif isinstance(value, str):
field_type = "pride.gui.fields.Text_Field"
elif hasattr(value, "__call__"):
field_type = "pride.gui.fields.Callable_Field"
#elif isinstance(value, tuple) or isinstance(value, list):
# field_type = "pride.gui.widgets.formext.Tabbed_Form"
if field_type is None:
message = "Unable to determine field_type for {}"
raise ValueError(
message.format((target_object, name, value, field_kwargs)))
return field_type
def handle_value_changed(self, field, old, new):
pass
def synchronize_scroll_bars(self):
slider = self.vertical_slider
if slider is not None:
slider.maximum = max(0, len(self.layout[0]) - self.max_rows)
slider.update_position_from_value()
slider.entry.texture_invalid = True
self.pack()
def handle_y_scroll(self, old, new):
super(Form, self).handle_y_scroll(old, new)
# y_scroll points to the current top row
assert self.y_scroll_value == new, (self.y_scroll_value, new)
self.load_rows()
## check if the selected entry is still visible, unselect it if not
#row_no = self.selected_entry.parent_field.parent.row_number
#amount = min(self.max_rows, len(self.layout[0]))
#if row_no < new and row_no >= new + amount:
# self.selected_entry.deselect()
# new_entry = self.visible_rows[0]._current_row.fields[0].entry
# self.handle_entry_selected(new_entry, scroll=False)
def handle_tab(self):
# go to the next field in the row
# if there are no more fields, go to the next row
# if there are no more rows, go to the initial row
entry = self.selected_entry
field = entry.parent_field
row = field.parent
fields = row.fields
field_index = fields.index(field)
next_field_index = field_index + 1
try:
self.handle_entry_selected(fields[next_field_index].entry,
scroll=True)
except IndexError:
rows = self.rows
row_info = self.layout[0]
row_count = len(row_info)
row_index = row.row_number
next_row_index = (row_index + 1) % row_count
if next_row_index in row_info:
if next_row_index not in rows:
self.create_row(row_info[row_index + 1])
next_row = rows[next_row_index]
else:
next_row = rows[0]
if not next_row.fields:
has_fields = lambda row: row[1]
has_any_fields = [
row for row in row_info.values() if has_fields(row)
]
if not has_any_fields:
return
for next_row_index in range(next_row_index, row_count):
if has_fields(row_info[next_row_index]):
break
else:
for next_row_index in range(next_row_index + 1):
if has_fields(row_info[next_row_index]):
break
if next_row_index not in rows:
self.create_row(row_info[next_row_index])
next_row = rows[next_row_index]
self.handle_entry_selected(next_row.fields[0].entry, scroll=True)
def handle_entry_selected(self, entry, _needs_select=True, scroll=False):
if self.selected_entry is not None:
old_entry = self.selected_entry
old_entry.deselect(entry)
self.selected_entry = entry
if _needs_select:
self.sdl_window.user_input.select_active_item(entry)
if scroll:
row_no = entry.parent_field.parent.row_number
max_index = len(self.layout[0]) - self.max_rows
row_no = min(row_no, max_index)
y_value = self.y_scroll_value
if row_no < y_value:
self.y_scroll_value = row_no
self.handle_y_scroll(y_value, row_no)
elif row_no > y_value + self.max_rows:
self.y_scroll_value = row_no
self.handle_y_scroll(y_value, self.y_scroll_value)
elif row_no == max_index:
self.y_scroll_value = row_no
self.handle_y_scroll(y_value, row_no)
self.synchronize_scroll_bars()
def synchronize_fields(self):
for field in self.fields:
field.entry.texture_invalid = True
def delete(self):
self.rows.clear()
del self.target_object
del self.visible_rows
super(Form, self).delete()
class Dropdown_Field(Callable_Field):
defaults = {"has_label" : True, "values" : tuple(),
"orientation" : "side by side"}
interface = (tuple(), ("values", ))
subcomponents = {"entry" : Component("pride.gui.fields.Dropdown_Entry")}
class Text_Field(Field):
subcomponents = {"entry" : Component("pride.gui.fields.Text_Entry")}
class Media_Field(Field):
defaults = {"has_label" : False, "h_range" : (0, .25),
"play_when_opened" : False,}
subcomponents = {"entry" : Component("pride.gui.fields.Media_Entry")}
interface = (tuple(), ("play_when_opened", ))