def open(self):
self.model = NamespaceModel(self.event_manager, self.element_factory)
self.event_manager.subscribe(self._on_model_refreshed)
self.event_manager.subscribe(self._on_diagram_selection_changed)
sorted_model = self.model.sorted()
def search_func(model, column, key, rowiter):
# Note that this function returns `False` for a match!
assert column == 0
row = model[rowiter]
matched = False
# Search in child rows. If any element in the underlying
# tree matches, it will expand.
for inner in row.iterchildren():
if not search_func(model, column, key, inner.iter):
view.expand_to_path(row.path)
matched = True
element = list(row)[column]
s = format(element)
if s and key.lower() in s.lower():
matched = True
elif not matched:
view.collapse_row(row.path)
return not matched # False means match found!
view = NamespaceView(sorted_model, self.element_factory)
view.set_search_equal_func(search_func)
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
scrolled_window.add(view)
scrolled_window.show()
view.show()
scrolled_window.insert_action_group(
"tree-view",
create_action_group(self, "tree-view")[0])
view.connect("row-activated", self._on_view_row_activated)
view.connect_after("cursor-changed", self._on_view_cursor_changed)
view.connect("destroy", self._on_view_destroyed)
ctrl = Gtk.GestureMultiPress.new(view)
ctrl.set_button(Gdk.BUTTON_SECONDARY)
ctrl.connect("pressed", self._on_show_popup)
self.ctrl.add(ctrl)
ctrl = Gtk.EventControllerKey.new(view)
ctrl.connect("key-pressed", self._on_edit_pressed)
self.ctrl.add(ctrl)
self.view = view
self.model.refresh()
return scrolled_window
def construct(self):
sorted_model = Gtk.TreeModelSort(model=self.model)
def sort_func(model, iter_a, iter_b, userdata):
a = (model.get_value(iter_a, 0).name or "").lower()
b = (model.get_value(iter_b, 0).name or "").lower()
if a == b:
return 0
if a > b:
return 1
return -1
def search_func(model, column, key, rowiter):
# Note that this function returns `False` for a match!
assert column == 0
row = model[rowiter]
matched = False
# Search in child rows. If any element in the underlaying
# tree matches, it will expand.
for inner in row.iterchildren():
if not search_func(model, column, key, inner.iter):
view.expand_to_path(row.path)
matched = True
element = list(row)[column]
if element.name and key.lower() in element.name.lower():
matched = True
elif not matched:
view.collapse_row(row.path)
return not matched # False means match found!
sorted_model.set_sort_func(0, sort_func, None)
sorted_model.set_sort_column_id(0, Gtk.SortType.ASCENDING)
view = NamespaceView(sorted_model, self.element_factory)
view.set_search_equal_func(search_func)
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
scrolled_window.set_shadow_type(Gtk.ShadowType.IN)
scrolled_window.set_placement(Gtk.CornerType.TOP_RIGHT)
scrolled_window.add(view)
scrolled_window.show()
view.show()
scrolled_window.insert_action_group(
"tree-view", create_action_group(self, "tree-view")[0]
)
view.connect_after("event-after", self._on_view_event)
view.connect("row-activated", self._on_view_row_activated)
view.connect_after("cursor-changed", self._on_view_cursor_changed)
view.connect("destroy", self._on_view_destroyed)
self._namespace = view
self._on_model_ready()
return scrolled_window
def construct(self):
"""
Create the widget.
Returns: the newly created widget.
"""
assert self.diagram
view = GtkView(canvas=self.diagram.canvas)
try:
view.set_css_name("diagramview")
except AttributeError:
pass # Gtk.Widget.set_css_name() is added in 3.20
view.drag_dest_set(
Gtk.DestDefaults.ALL,
DiagramPage.VIEW_DND_TARGETS,
Gdk.DragAction.MOVE | Gdk.DragAction.COPY | Gdk.DragAction.LINK,
)
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
scrolled_window.set_shadow_type(Gtk.ShadowType.IN)
scrolled_window.add(view)
scrolled_window.show_all()
self.widget = scrolled_window
view.connect("focus-changed", self._on_view_selection_changed)
view.connect("selection-changed", self._on_view_selection_changed)
view.connect_after("key-press-event", self._on_key_press_event)
view.connect("drag-data-received", self._on_drag_data_received)
self.view = view
self.widget.action_group = create_action_group(self, "diagram")
shortcuts = self.get_toolbox_shortcuts()
def shortcut_action(widget, event):
action_name = shortcuts.get((event.keyval, event.state))
if action_name:
widget.get_toplevel().get_action_group(
"diagram").lookup_action("select-tool").change_state(
GLib.Variant.new_string(action_name))
self.widget.connect("key-press-event", shortcut_action)
self._on_sloppy_lines()
self.select_tool("toolbox-pointer")
self.set_drawing_style(self.properties.get("diagram.sloppiness", 0))
return self.widget
def create_action_group(self):
action_group, accel_group = create_action_group(self, "pref")
set_action_state(
action_group,
"hand-drawn-style",
self.properties.get("diagram.sloppiness", 0.0) > 0.0,
)
set_action_state(
action_group,
"reset-tool-after-create",
self.properties.get("reset-tool-after-create", True),
)
return action_group
def construct(self):
"""
Create the widget.
Returns: the newly created widget.
"""
assert self.diagram
view = GtkView(canvas=self.diagram.canvas)
view.drag_dest_set(
Gtk.DestDefaults.ALL,
DiagramPage.VIEW_DND_TARGETS,
Gdk.DragAction.MOVE | Gdk.DragAction.COPY | Gdk.DragAction.LINK,
)
self.diagram_css = Gtk.CssProvider.new()
view.get_style_context().add_provider(self.diagram_css,
Gtk.STYLE_PROVIDER_PRIORITY_USER)
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
scrolled_window.set_shadow_type(Gtk.ShadowType.IN)
scrolled_window.add(view)
scrolled_window.show_all()
self.widget = scrolled_window
view.connect("focus-changed", self._on_view_selection_changed)
view.connect("selection-changed", self._on_view_selection_changed)
view.connect_after("key-press-event", self._on_key_press_event)
view.connect("drag-data-received", self._on_drag_data_received)
self.view = view
self.widget.action_group = create_action_group(self, "diagram")
self.widget.connect_after("key-press-event", self._on_shortcut_action)
self.select_tool("toolbox-pointer")
self.set_drawing_style()
return self.widget
def create_action_group(self):
action_group, accel_group = create_action_group(self, "pref")
return action_group
