def __init__(self, **kwargs):
super(Designer, self).__init__(**kwargs)
self.project_watcher = ProjectWatcher(self.project_modified)
self.project_loader = ProjectLoader(self.project_watcher)
self.recent_manager = RecentManager()
self.widget_to_paste = None
self.designer_content = DesignerContent(size_hint=(1, None))
self.designer_settings = DesignerSettings()
self.designer_settings.bind(on_config_change=self._config_change)
self.designer_settings.load_settings()
self.designer_settings.bind(on_close=self._cancel_popup)
Clock.schedule_interval(
self.project_loader.perform_auto_save,
int(
self.designer_settings.config_parser.getdefault(
'global', 'auto_save_time', 5)) * 60)
def __init__(self, **kwargs):
super(Designer, self).__init__(**kwargs)
self.project_watcher = ProjectWatcher(self.project_modified)
self.project_loader = ProjectLoader(self.project_watcher)
self.recent_manager = RecentManager()
self.widget_to_paste = None
self.designer_content = DesignerContent(size_hint=(1, None))
self.designer_settings = DesignerSettings()
self.designer_settings.bind(on_config_change=self._config_change)
self.designer_settings.load_settings()
self.designer_settings.bind(on_close=self._cancel_popup)
Clock.schedule_interval(self.project_loader.perform_auto_save,
int(self.designer_settings.config_parser.getdefault(
'global', 'auto_save_time', 5))*60)
class Designer(FloatLayout):
'''Designer is the Main Window class of Kivy Designer
:data:`message` is a :class:`~kivy.properties.StringProperty`
'''
designer_console = ObjectProperty(None)
'''Instance of :class:`designer.designer_console.ConsoleDialog`
'''
statusbar = ObjectProperty(None)
'''Reference to the :class:`~designer.statusbar.StatusBar` instance.
:data:`statusbar` is a :class:`~kivy.properties.ObjectProperty`
'''
editcontview = ObjectProperty(None)
'''Reference to the :class:`~designer.uix.EditContView` instance.
:data:`v` is a :class:`~kivy.properties.ObjectProperty`
'''
actionbar = ObjectProperty(None)
'''Reference to the :class:`~kivy.actionbar.ActionBar` instance.
ActionBar is used as a MenuBar to display bunch of menu items.
:data:`actionbar` is a :class:`~kivy.properties.ObjectProperty`
'''
undo_manager = ObjectProperty(UndoManager())
'''Reference to the :class:`~designer.UndoManager` instance.
:data:`undo_manager` is a :class:`~kivy.properties.ObjectProperty`
'''
project_watcher = ObjectProperty(None)
'''Reference to the :class:`~designer.project_watcher.ProjectWatcher`.
:data:`project_watcher` is a :class:`~kivy.properties.ObjectProperty`
'''
project_loader = ObjectProperty(None)
'''Reference to the :class:`~designer.project_loader.ProjectLoader`.
:data:`project_loader` is a :class:`~kivy.properties.ObjectProperty`
'''
proj_settings = ObjectProperty(None)
'''Reference of :class:`~designer.project_settings.ProjectSettings`.
:data:`proj_settings` is a :class:`~kivy.properties.ObjectProperty`
'''
_curr_proj_changed = BooleanProperty(False)
'''Specifies whether current project has been changed inside Kivy Designer
:data:`_curr_proj_changed` is a :class:`~kivy.properties.BooleanProperty`
'''
_proj_modified_outside = BooleanProperty(False)
'''Specifies whether current project has been changed outside Kivy Designer
:data:`_proj_modified_outside` is a :class:`~kivy.properties.BooleanProperty`
'''
ui_creator = ObjectProperty(None)
'''Reference to :class:`~designer.ui_creator.UICreator` instance.
:data:`ui_creator` is a :class:`~kivy.properties.ObjectProperty`
'''
designer_content = ObjectProperty(None)
'''Reference to :class:`~designer.designer_content.DesignerContent` instance.
:data:`designer_content` is a :class:`~kivy.properties.ObjectProperty`
'''
proj_tree_view = ObjectProperty(None)
'''Reference to Project Tree instance
:data:`proj_tree_view` is a :class:`~kivy.properties.ObjectProperty`
'''
designer_settings = ObjectProperty(None)
'''Reference of :class:`~designer.designer_settings.DesignerSettings`.
:data:`designer_settings` is a :class:`~kivy.properties.ObjectProperty`
'''
start_page = ObjectProperty(None)
'''Reference of :class:`~designer.start_page.DesignerStartPage`.
:data:`start_page` is a :class:`~kivy.properties.ObjectProperty`
'''
recent_files_cont_menu = ObjectProperty(None)
'''The context sub menu, containing the recently opened/saved projects.
Reference of :class:`~designer.uix.contextual.ContextSubMenu`.
:data:`recent_files_cont_menu` is a :class:`~kivy.properties.ObjectProperty`
'''
def __init__(self, **kwargs):
super(Designer, self).__init__(**kwargs)
self.project_watcher = ProjectWatcher(self.project_modified)
self.project_loader = ProjectLoader(self.project_watcher)
self.recent_manager = RecentManager()
self.widget_to_paste = None
self.designer_content = DesignerContent(size_hint=(1, None))
self.designer_settings = DesignerSettings()
self.designer_settings.bind(on_config_change=self._config_change)
self.designer_settings.load_settings()
self.designer_settings.bind(on_close=self._cancel_popup)
Clock.schedule_interval(self.project_loader.perform_auto_save,
int(self.designer_settings.config_parser.getdefault(
'global', 'auto_save_time', 5))*60)
def _config_change(self, *args):
'''Event Handler for 'on_config_change' event of self.designer_settings.
'''
Clock.unschedule(self.project_loader.perform_auto_save)
Clock.schedule_interval(self.project_loader.perform_auto_save,
int(self.designer_settings.config_parser.getdefault(
'global', 'auto_save_time', 5))*60)
self.ui_creator.kv_code_input.reload_kv = \
bool(self.designer_settings.config_parser.getdefault(
'global', 'reload_kv', True))
self.recent_manager.max_recent_files = \
int(self.designer_settings.config_parser.getdefault(
'global', 'num_recent_files', 5))
def _add_designer_content(self):
'''Add designer_content to Designer, when a project is loaded
'''
for _child in self.children[:]:
if _child == self.designer_content:
return
self.remove_widget(self.start_page)
self.add_widget(self.designer_content, 1)
self.ids['actn_btn_save'].disabled = False
self.ids['actn_btn_save_as'].disabled = False
self.ids['actn_chk_proj_tree'].disabled = False
self.ids['actn_chk_prop_event'].disabled = False
self.ids['actn_chk_widget_tree'].disabled = False
self.ids['actn_chk_status_bar'].disabled = False
self.ids['actn_chk_kv_lang_area'].disabled = False
self.ids['actn_btn_add_file'].disabled = False
self.ids['actn_btn_custom_widget'].disabled = False
self.ids['actn_btn_proj_pref'].disabled = False
self.ids['actn_btn_run_proj'].disabled = False
def on_statusbar_height(self, *args):
'''Callback for statusbar.height
'''
self.designer_content.y = self.statusbar.height
self.on_height(*args)
def on_actionbar_height(self, *args):
'''Callback for actionbar.height
'''
self.on_height(*args)
def on_height(self, *args):
'''Callback for self.height
'''
if self.actionbar and self.statusbar:
self.designer_content.height = self.height - \
self.actionbar.height - self.statusbar.height
self.designer_content.y = self.statusbar.height
def project_modified(self, *args):
'''Event Handler called when Project is modified outside Kivy Designer
'''
#To dispatch modified event only once for all files/folders of proj_dir
if self._proj_modified_outside:
return
self._confirm_dlg = ConfirmationDialog(message="Current Project has "
"been modified\n"
"outside the Kivy Designer.\n"
"Do you want to reload project?")
self._confirm_dlg.bind(on_ok=self._perform_reload,
on_cancel=self._cancel_popup)
self._popup = Popup(title='Kivy Designer', content=self._confirm_dlg,
size_hint=(None, None),size=('200pt', '150pt'),
auto_dismiss=False)
self._popup.open()
self._proj_modified_outside = True
def _perform_reload(self, *args):
'''Perform reload of project after it is modified
'''
#Perform reload of project after it is modified
self._popup.dismiss()
self.project_watcher.allow_event_dispatch = False
self._perform_open(self.project_loader.proj_dir)
self.project_watcher.allow_event_dispatch = True
self._proj_modified_outside = False
def on_show_edit(self, *args):
'''Event Handler of 'on_show_edit' event. This will show EditContView
in ActionBar
'''
if isinstance(self.actionbar.children[0], EditContView):
return
if self.editcontview == None:
self.editcontview = EditContView(
on_undo=self.action_btn_undo_pressed,
on_redo=self.action_btn_redo_pressed,
on_cut=self.action_btn_cut_pressed,
on_copy=self.action_btn_copy_pressed,
on_paste=self.action_btn_paste_pressed,
on_delete=self.action_btn_delete_pressed,
on_selectall=self.action_btn_select_all_pressed,
on_next_screen=self._next_screen,
on_prev_screen=self._prev_screen)
self.actionbar.add_widget(self.editcontview)
widget = self.ui_creator.propertyviewer.widget
if isinstance(widget, Carousel) or\
isinstance(widget, ScreenManager) or\
isinstance(widget, TabbedPanel):
self.editcontview.show_action_btn_screen(True)
else:
self.editcontview.show_action_btn_screen(False)
if self.ui_creator.kv_code_input.clicked:
self._edit_selected = 'KV'
elif self.ui_creator.playground.clicked:
self._edit_selected = 'Play'
else:
self._edit_selected = 'Py'
self.ui_creator.playground.clicked = False
self.ui_creator.kv_code_input.clicked = False
def _prev_screen(self, *args):
widget = self.ui_creator.propertyviewer.widget
if isinstance(widget, Carousel):
widget.load_previous()
elif isinstance(widget, ScreenManager):
widget.current = widget.previous()
elif isinstance(widget, TabbedPanel):
index = widget.tab_list.index(widget.current_tab)
if len(widget.tab_list) <= index + 1:
return
widget.switch_to(widget.tab_list[index + 1])
def _next_screen(self, *args):
widget = self.ui_creator.propertyviewer.widget
if isinstance(widget, Carousel):
widget.load_next()
elif isinstance(widget, ScreenManager):
widget.current = widget.next()
elif isinstance(widget, TabbedPanel):
index = widget.tab_list.index(widget.current_tab)
if index == 0:
return
widget.switch_to(widget.tab_list[index - 1])
def on_touch_down(self, touch):
'''Override of FloatLayout.on_touch_down. Used to determine where
touch is down and to call self.actionbar.on_previous
'''
if not isinstance(self.actionbar.children[0], EditContView) or\
self.actionbar.collide_point(*touch.pos):
return super(FloatLayout, self).on_touch_down(touch)
self.actionbar.on_previous(self)
return super(FloatLayout, self).on_touch_down(touch)
def action_btn_new_pressed(self, *args):
'''Event Handler when ActionButton "New" is pressed.
'''
if not self._curr_proj_changed:
self._show_new_dialog()
return
self._confirm_dlg = ConfirmationDialog('All unsaved changes will be'
' lost.\n'
'Do you want to continue?')
self._confirm_dlg.bind(on_ok=self._show_new_dialog,
on_cancel=self._cancel_popup)
self._popup = Popup(title='New', content = self._confirm_dlg,
size_hint=(None,None),size=('200pt', '150pt'),
auto_dismiss=False)
self._popup.open()
def _show_new_dialog(self, *args):
if hasattr(self, '_popup'):
self._popup.dismiss()
self._new_dialog = NewProjectDialog()
self._new_dialog.bind(on_select=self._perform_new,
on_cancel=self._cancel_popup)
self._popup = Popup(title='New Project', content = self._new_dialog,
size_hint=(None,None),size=('650pt', '450pt'),
auto_dismiss=False)
self._popup.open()
def _perform_new(self, *args):
'''To load new project
'''
if hasattr(self, '_popup'):
self._popup.dismiss()
self.cleanup()
new_proj_dir = os.path.join(get_kivy_designer_dir(),
NEW_PROJECT_DIR_NAME)
if os.path.exists(new_proj_dir):
shutil.rmtree(new_proj_dir)
os.mkdir(new_proj_dir)
template = self._new_dialog.adapter.selection[0].text
kv_file = NEW_PROJECTS[template][0]
py_file = NEW_PROJECTS[template][1]
templates_dir = os.path.join(os.getcwd(), NEW_TEMPLATES_DIR)
shutil.copy(os.path.join(templates_dir, py_file),
os.path.join(new_proj_dir, "main.py"))
shutil.copy(os.path.join(templates_dir, kv_file),
os.path.join(new_proj_dir, "main.kv"))
self.ui_creator.playground.sandbox.error_active = True
with self.ui_creator.playground.sandbox:
self.project_loader.load_new_project(os.path.join(new_proj_dir,
"main.kv"))
root_wigdet = self.project_loader.get_root_widget()
self.ui_creator.playground.add_widget_to_parent(root_wigdet, None,
from_undo=True)
self.ui_creator.kv_code_input.text = self.project_loader.get_full_str()
self.designer_content.update_tree_view(self.project_loader)
self._add_designer_content()
if self.project_loader.class_rules:
for i, _rule in enumerate(self.project_loader.class_rules):
widgets.append((_rule.name, 'custom'))
self.designer_content.toolbox.add_custom()
self.ui_creator.playground.sandbox.error_active = False
def cleanup(self):
'''To cleanup everything loaded by the current project before loading
another project.
'''
self.project_loader.cleanup()
self.ui_creator.cleanup()
self.undo_manager.cleanup()
self.designer_content.toolbox.cleanup()
for node in self.proj_tree_view.root.nodes[:]:
self.proj_tree_view.remove_node(node)
for widget in widgets[:]:
if widget[1] == 'custom':
widgets.remove(widget)
self._curr_proj_changed = False
self.ui_creator.kv_code_input.text = ""
self.designer_content.tab_pannel.list_py_code_inputs = []
for th in self.designer_content.tab_pannel.tab_list[:-1]:
self.designer_content.tab_pannel.remove_widget(th)
def action_btn_open_pressed(self, *args):
'''Event Handler when ActionButton "Open" is pressed.
'''
if not self._curr_proj_changed:
self._show_open_dialog()
return
self._confirm_dlg = ConfirmationDialog('All unsaved changes will be '
'lost.\n'
'Do you want to continue?')
self._confirm_dlg.bind(on_ok=self._show_open_dialog,
on_cancel=self._cancel_popup)
self._popup = Popup(title='Kivy Designer', content = self._confirm_dlg,
size_hint=(None,None),size=('200pt', '150pt'),
auto_dismiss=False)
self._popup.open()
def _show_open_dialog(self, *args):
'''To show FileBrowser to "Open" a project
'''
if hasattr(self, '_popup'):
self._popup.dismiss()
self._fbrowser = FileBrowser(select_string='Open')
def_path = os.getcwd()
if not self.project_loader.new_project and self.project_loader.proj_dir:
def_path = self.project_loader.proj_dir
if self._fbrowser.ids.tabbed_browser.current_tab.text == 'List View':
self._fbrowser.ids.list_view.path = def_path
else:
self._fbrowser.ids.icon_view.path = def_path
self._fbrowser.bind(on_success=self._fbrowser_load,
on_canceled=self._cancel_popup)
self._popup = Popup(title="Open", content = self._fbrowser,
size_hint=(0.9, 0.9), auto_dismiss=False)
self._popup.open()
def _select_class_selected(self, *args):
'''Event Handler for 'on_select' event of self._select_class
'''
selection = self._select_class.listview.adapter.selection[0].text
with self.ui_creator.playground.sandbox:
root_widget = self.project_loader.set_root_widget(selection)
self.ui_creator.playground.add_widget_to_parent(root_widget, None, from_undo=True)
self.ui_creator.kv_code_input.text = self.project_loader.get_root_str()
self._select_class_popup.dismiss()
def _select_class_cancel(self, *args):
'''Event Handler for 'on_cancel' event of self._select_class
'''
self._select_class_popup.dismiss()
def _fbrowser_load(self, instance):
'''Event Handler for 'on_load' event of self._fbrowser
'''
if instance.selection == []:
return
file_path = instance.selection[0]
self._popup.dismiss()
self._perform_open(file_path)
def _perform_open(self, file_path):
'''To open a project given by file_path
'''
for widget in widgets[:]:
if widget[1] == 'custom':
widgets.remove(widget)
self.cleanup()
self.ui_creator.playground.sandbox.error_active = True
root_widget = None
with self.ui_creator.playground.sandbox:
try:
self.project_loader.load_project(file_path)
if self.project_loader.class_rules:
for i, _rule in enumerate(self.project_loader.class_rules):
widgets.append((_rule.name, 'custom'))
self.designer_content.toolbox.add_custom()
#to test listview
#root_wigdet = None
root_wigdet = self.project_loader.get_root_widget()
if not root_wigdet:
#Show list box showing widgets
self._select_class = SelectClass(
self.project_loader.class_rules)
self._select_class.bind(on_select=self._select_class_selected,
on_cancel=self._select_class_cancel)
self._select_class_popup = Popup(title="Select Root Widget",
content = self._select_class,
size_hint=(0.5, 0.5),
auto_dismiss=False)
self._select_class_popup.open()
else:
self.ui_creator.playground.add_widget_to_parent(root_wigdet,
None,
from_undo=True)
self.ui_creator.kv_code_input.text = self.project_loader.get_full_str()
self.recent_manager.add_file(file_path)
#Record everything for later use
self.project_loader.record()
self.designer_content.update_tree_view(self.project_loader)
self._add_designer_content()
except Exception as e:
self.statusbar.show_message('Cannot load Project: %s'%(str(e)))
self.ui_creator.playground.sandbox.error_active = False
def _cancel_popup(self, *args):
'''EventHandler for all self._popup when self._popup.content
emits 'on_cancel' or equivalent.
'''
self._proj_modified_outside = False
self._popup.dismiss()
def action_btn_save_pressed(self, *args):
'''Event Handler when ActionButton "Save" is pressed.
'''
if self.project_loader.root_rule:
try:
if self.project_loader.new_project:
self.action_btn_save_as_pressed()
return
else:
self.project_loader.save_project()
projdir = self.project_loader.proj_dir
self.project_loader.cleanup(stop_watcher=False)
self.ui_creator.playground.cleanup()
self.project_loader.load_project(projdir)
root_wigdet = self.project_loader.get_root_widget()
self.ui_creator.playground.add_widget_to_parent(root_wigdet,
None,
from_undo=True,
from_kv=True)
self._curr_proj_changed = False
self.statusbar.show_message('Project saved successfully')
except:
self.statusbar.show_message('Cannot save project')
def action_btn_save_as_pressed(self, *args):
'''Event Handler when ActionButton "Save As" is pressed.
'''
if self.project_loader.root_rule:
self._curr_proj_changed = False
self._save_as_browser = FileBrowser(select_string='Save')
def_path = os.getcwd()
if not self.project_loader.new_project and self.project_loader.proj_dir:
def_path = self.project_loader.proj_dir
if self._save_as_browser.ids.tabbed_browser.current_tab.text == 'List View':
self._save_as_browser.ids.list_view.path = def_path
else:
self._save_as_browser.ids.icon_view.path = def_path
self._save_as_browser.bind(on_success=self._perform_save_as,
on_canceled=self._cancel_popup)
self._popup = Popup(title="Enter Folder Name",
content = self._save_as_browser,
size_hint=(0.9, 0.9), auto_dismiss=False)
self._popup.open()
def _perform_save_as(self, instance):
'''Event handler for 'on_success' event of self._save_as_browser
'''
if hasattr(self, '_popup'):
self._popup.dismiss()
proj_dir = ''
if instance.ids.tabbed_browser.current_tab.text == 'List View':
proj_dir = instance.ids.list_view.path
else:
proj_dir = instance.ids.icon_view.path
proj_dir = os.path.join(proj_dir, instance.filename)
#try:
if True:
self.project_loader.save_project(proj_dir)
self.recent_manager.add_file(proj_dir)
projdir = self.project_loader.proj_dir
self.project_loader.cleanup()
self.ui_creator.playground.cleanup()
self.project_loader.load_project(projdir)
root_wigdet = self.project_loader.get_root_widget()
self.ui_creator.playground.add_widget_to_parent(root_wigdet,
None,
from_undo=True)
self.statusbar.show_message('Project saved successfully')
#except:
# self.statusbar.show_message('Cannot save project')
def action_btn_settings_pressed(self, *args):
self.designer_settings.parent = None
self._popup = Popup(title="Kivy Designer Settings",
content = self.designer_settings,
size_hint=(None, None),
size=(600, 400), auto_dismiss=False)
self._popup.open()
def action_btn_recent_files_pressed(self, *args):
'''Event Handler when ActionButton "Recent Files" is pressed.
'''
pass
def fill_recent_menu(self, *args):
recent_menu = self.recent_files_cont_menu
for _file in self.recent_manager.list_files:
act_btn = DesignerActionButton(text=_file, shorten=True)
recent_menu.add_widget(act_btn)
act_btn.bind(on_release=self._recent_file_release)
def _recent_file_release(self, instance, *args):
'''Event Handler for 'on_select' event of self._recent_dlg.
'''
self._perform_open(instance.text)
def action_btn_quit_pressed(self, *args):
'''Event Handler when ActionButton "Quit" is pressed.
'''
App.get_running_app().stop()
def action_btn_undo_pressed(self, *args):
'''Event Handler when ActionButton "Undo" is pressed.
'''
if self._edit_selected == 'Play':
self.undo_manager.do_undo()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_undo()
elif self._edit_selected == 'Py':
for code_input in self.designer_content.tab_pannel.list_py_code_inputs:
if code_input.clicked == True:
code_input.clicked = False
code_input.do_undo()
def action_btn_redo_pressed(self, *args):
'''Event Handler when ActionButton "Redo" is pressed.
'''
if self._edit_selected == 'Play':
self.undo_manager.do_redo()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_redo()
elif self._edit_selected == 'Py':
for code_input in self.designer_content.tab_pannel.list_py_code_inputs:
if code_input.clicked == True:
code_input.clicked = False
code_input.do_redo()
def action_btn_cut_pressed(self, *args):
'''Event Handler when ActionButton "Cut" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_cut()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_cut()
elif self._edit_selected == 'Py':
for code_input in self.designer_content.tab_pannel.list_py_code_inputs:
if code_input.clicked == True:
code_input.clicked = False
code_input.do_cut()
def action_btn_copy_pressed(self, *args):
'''Event Handler when ActionButton "Copy" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_copy()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_copy()
elif self._edit_selected == 'Py':
for code_input in self.designer_content.tab_pannel.list_py_code_inputs:
if code_input.clicked == True:
code_input.clicked = False
code_input.do_copy()
def action_btn_paste_pressed(self, *args):
'''Event Handler when ActionButton "Paste" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_paste()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_paste()
elif self._edit_selected == 'Py':
for code_input in self.designer_content.tab_pannel.list_py_code_inputs:
if code_input.clicked == True:
code_input.clicked = False
code_input.do_paste()
def action_btn_delete_pressed(self, *args):
'''Event Handler when ActionButton "Delete" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_delete()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_delete()
elif self._edit_selected == 'Py':
for code_input in self.designer_content.tab_pannel.list_py_code_inputs:
if code_input.clicked == True:
code_input.clicked = False
code_input.do_delete()
def action_btn_select_all_pressed(self, *args):
'''Event Handler when ActionButton "Select All" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_select_all()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_select_all()
elif self._edit_selected == 'Py':
for code_input in self.designer_content.tab_pannel.list_py_code_inputs:
if code_input.clicked == True:
code_input.clicked = False
code_input.do_select_all()
def action_btn_add_custom_widget_press(self, *args):
'''Event Handler when ActionButton "Add Custom Widget" is pressed.
'''
self._custom_browser = FileBrowser(select_string='Add')
self._custom_browser.bind(on_success=self._custom_browser_load,
on_canceled=self._cancel_popup)
self._popup = Popup(title="Add Custom Widget",
content = self._custom_browser,
size_hint=(0.9, 0.9), auto_dismiss=False)
self._popup.open()
def _custom_browser_load(self, instance):
'''Event Handler for 'on_success' event of self._custom_browser
'''
file_path = instance.selection[0]
self._popup.dismiss()
self.ui_creator.playground.sandbox.error_active = True
with self.ui_creator.playground.sandbox:
try:
self.project_loader.add_custom_widget(file_path)
self.designer_content.toolbox.cleanup()
for _rule in (self.project_loader.custom_widgets):
widgets.append((_rule.name, 'custom'))
self.designer_content.toolbox.add_custom()
except ProjectLoaderException as e:
self.statusbar.show_message('Cannot load widget. %s'%str(e))
self.ui_creator.playground.sandbox.error_active = False
def action_chk_btn_toolbox_active(self, chk_btn):
'''Event Handler when ActionCheckButton "Toolbox" is activated.
'''
if chk_btn.checkbox.active:
self._toolbox_parent.add_widget(self.designer_content.splitter_tree)
self.designer_content.splitter_tree.width = self._toolbox_width
else:
self._toolbox_parent = self.designer_content.splitter_tree.parent
self._toolbox_parent.remove_widget(self.designer_content.splitter_tree)
self._toolbox_width = self.designer_content.splitter_tree.width
self.designer_content.splitter_tree.width = 0
def action_chk_btn_property_viewer_active(self, chk_btn):
'''Event Handler when ActionCheckButton "Property Viewer" is activated.
'''
if chk_btn.checkbox.active:
self._toggle_splitter_widget_tree()
if self.ui_creator.splitter_widget_tree.parent is None:
self._splitter_widget_tree_parent.add_widget(self.ui_creator.splitter_widget_tree)
self.ui_creator.splitter_widget_tree.width = self._splitter_widget_tree_width
add_tree = False
if self.ui_creator.grid_widget_tree.parent is not None:
add_tree = True
self.ui_creator.splitter_property.size_hint_y = None
self.ui_creator.splitter_property.height = 300
self._splitter_property_parent.clear_widgets()
if add_tree:
self._splitter_property_parent.add_widget(self.ui_creator.grid_widget_tree)
self._splitter_property_parent.add_widget(self.ui_creator.splitter_property)
else:
self._splitter_property_parent = self.ui_creator.splitter_property.parent
self._splitter_property_parent.remove_widget(self.ui_creator.splitter_property)
self._toggle_splitter_widget_tree()
def action_chk_btn_widget_tree_active(self, chk_btn):
'''Event Handler when ActionCheckButton "Widget Tree" is activated.
'''
if chk_btn.checkbox.active:
self._toggle_splitter_widget_tree()
add_prop = False
if self.ui_creator.splitter_property.parent is not None:
add_prop = True
self._grid_widget_tree_parent.clear_widgets()
self._grid_widget_tree_parent.add_widget(self.ui_creator.grid_widget_tree)
if add_prop:
self._grid_widget_tree_parent.add_widget(self.ui_creator.splitter_property)
self.ui_creator.splitter_property.size_hint_y = None
self.ui_creator.splitter_property.height = 300
else:
self._grid_widget_tree_parent = self.ui_creator.grid_widget_tree.parent
self._grid_widget_tree_parent.remove_widget(self.ui_creator.grid_widget_tree)
self.ui_creator.splitter_property.size_hint_y = 1
self._toggle_splitter_widget_tree()
def _toggle_splitter_widget_tree(self):
'''To show/hide splitter_widget_tree
'''
if self.ui_creator.splitter_widget_tree.parent is not None and\
self.ui_creator.splitter_property.parent is None and\
self.ui_creator.grid_widget_tree.parent is None:
self._splitter_widget_tree_parent = self.ui_creator.splitter_widget_tree.parent
self._splitter_widget_tree_parent.remove_widget(self.ui_creator.splitter_widget_tree)
self._splitter_widget_tree_width = self.ui_creator.splitter_widget_tree.width
self.ui_creator.splitter_widget_tree.width = 0
elif self.ui_creator.splitter_widget_tree.parent is None:
self._splitter_widget_tree_parent.add_widget(self.ui_creator.splitter_widget_tree)
self.ui_creator.splitter_widget_tree.width = self._splitter_widget_tree_width
def action_chk_btn_status_bar_active(self, chk_btn):
'''Event Handler when ActionCheckButton "StatusBar" is activated.
'''
if chk_btn.checkbox.active:
self._statusbar_parent.add_widget(self.statusbar)
self.statusbar.height = self._statusbar_height
else:
self._statusbar_parent = self.statusbar.parent
self._statusbar_height = self.statusbar.height
self._statusbar_parent.remove_widget(self.statusbar)
self.statusbar.height = 0
def action_chk_btn_kv_area_active(self, chk_btn):
'''Event Handler when ActionCheckButton "KVLangArea" is activated.
'''
if chk_btn.checkbox.active:
self.ui_creator.splitter_kv_code_input.height = self._kv_area_height
self._kv_area_parent.add_widget(self.ui_creator.splitter_kv_code_input)
else:
self._kv_area_parent = self.ui_creator.splitter_kv_code_input.parent
self._kv_area_height = self.ui_creator.splitter_kv_code_input.height
self.ui_creator.splitter_kv_code_input.height = 0
self._kv_area_parent.remove_widget(self.ui_creator.splitter_kv_code_input)
def _error_adding_file(self, *args):
'''Event Handler for 'on_error' event of self._add_file_dlg
'''
self.statusbar.show_message('Error while adding file to project')
self._popup.dismiss()
def _added_file(self, *args):
'''Event Handler for 'on_added' event of self._add_file_dlg
'''
self.statusbar.show_message('File successfully added to project')
self._popup.dismiss()
if self._add_file_dlg.target_file[3:] == '.py':
self.designer_content.add_file_to_tree_view(
self._add_file_dlg.target_file)
def action_btn_add_file_pressed(self, *args):
'''Event Handler when ActionButton "Add File" is pressed.
'''
self._add_file_dlg = AddFileDialog(self.project_loader)
self._add_file_dlg.bind(on_added=self._added_file,
on_error=self._error_adding_file,
on_cancel=self._cancel_popup)
self._popup = Popup(title="Add File",
content = self._add_file_dlg,
size_hint=(None, None),
size=(400, 300), auto_dismiss=False)
self._popup.open()
def action_btn_project_pref_pressed(self, *args):
'''Event Handler when ActionButton "Project Prefences" is pressed.
'''
self.proj_settings = ProjectSettings(proj_loader=self.project_loader)
self.proj_settings.load_proj_settings()
self.proj_settings.bind(on_close=self._cancel_popup)
self._popup = Popup(title="Project Preferences",
content = self.proj_settings,
size_hint=(None, None),
size=(600, 400), auto_dismiss=False)
self._popup.open()
def action_btn_run_project_pressed(self, *args):
'''Event Handler when ActionButton "Run" is pressed.
'''
if self.project_loader.file_list == []:
return
args = ''
envs = ''
python_path = self.designer_settings.config_parser.getdefault(
'global', 'python_shell_path', '')
if python_path == '':
self.statusbar.show_message("Python Shell Path not specified,"
" please specify it before running"
" project")
return
if self.proj_settings and self.proj_settings.config_parser:
args = self.proj_settings.config_parser.getdefault('arguments', 'arg', '')
envs = self.proj_settings.config_parser.getdefault('env variables', 'env', '')
for env in envs.split(' '):
self.ui_creator.kivy_console.environment[env[:env.find('=')]] = env[env.find('=')+1:]
for _file in self.project_loader.file_list:
if 'main.py' in os.path.basename(_file):
self.ui_creator.kivy_console.stdin.write('%s %s %s'%
(python_path,
_file, args))
self.ui_creator.tab_pannel.switch_to(
self.ui_creator.tab_pannel.tab_list[2])
return
self.ui_creator.kivy_console.stdin.write('%s %s %s'%
(python_path,
self.project_loader._app_file,
args))
self.ui_creator.tab_pannel.switch_to(
self.ui_creator.tab_pannel.tab_list[2])
def on_sandbox_getting_exception(self, *args):
'''Event Handler for
:class:`~designer.uix.designer_sandbox.DesignerSandbox`
on_getting_exception event. This function will add exception
string in error_console.
'''
s = traceback.format_list(traceback.extract_tb(
self.ui_creator.playground.sandbox.tb))
s = '\n'.join(s)
to_insert = "Exception:\n" + s + '\n' + \
"{!r}".format(self.ui_creator.playground.sandbox.exception)
text = self.ui_creator.error_console.text + to_insert + '\n\n'
self.ui_creator.error_console.text = text
if self.ui_creator.playground.sandbox.error_active:
self.ui_creator.tab_pannel.switch_to(
self.ui_creator.tab_pannel.tab_list[0])
self.ui_creator.playground.sandbox.error_active = False
class Designer(FloatLayout):
'''Designer is the Main Window class of Kivy Designer
:data:`message` is a :class:`~kivy.properties.StringProperty`
'''
designer_console = ObjectProperty(None)
'''Instance of :class:`designer.designer_console.ConsoleDialog`
'''
statusbar = ObjectProperty(None)
'''Reference to the :class:`~designer.statusbar.StatusBar` instance.
:data:`statusbar` is a :class:`~kivy.properties.ObjectProperty`
'''
editcontview = ObjectProperty(None)
'''Reference to the :class:`~designer.uix.EditContView` instance.
:data:`v` is a :class:`~kivy.properties.ObjectProperty`
'''
actionbar = ObjectProperty(None)
'''Reference to the :class:`~kivy.actionbar.ActionBar` instance.
ActionBar is used as a MenuBar to display bunch of menu items.
:data:`actionbar` is a :class:`~kivy.properties.ObjectProperty`
'''
undo_manager = ObjectProperty(UndoManager())
'''Reference to the :class:`~designer.UndoManager` instance.
:data:`undo_manager` is a :class:`~kivy.properties.ObjectProperty`
'''
project_watcher = ObjectProperty(None)
'''Reference to the :class:`~designer.project_watcher.ProjectWatcher`.
:data:`project_watcher` is a :class:`~kivy.properties.ObjectProperty`
'''
project_loader = ObjectProperty(None)
'''Reference to the :class:`~designer.project_loader.ProjectLoader`.
:data:`project_loader` is a :class:`~kivy.properties.ObjectProperty`
'''
proj_settings = ObjectProperty(None)
'''Reference of :class:`~designer.project_settings.ProjectSettings`.
:data:`proj_settings` is a :class:`~kivy.properties.ObjectProperty`
'''
_curr_proj_changed = BooleanProperty(False)
'''Specifies whether current project has been changed inside Kivy Designer
:data:`_curr_proj_changed` is
a :class:`~kivy.properties.BooleanProperty`
'''
_proj_modified_outside = BooleanProperty(False)
'''Specifies whether current project has been changed outside Kivy Designer
:data:`_proj_modified_outside` is a
:class:`~kivy.properties.BooleanProperty`
'''
ui_creator = ObjectProperty(None)
'''Reference to :class:`~designer.ui_creator.UICreator` instance.
:data:`ui_creator` is a :class:`~kivy.properties.ObjectProperty`
'''
designer_content = ObjectProperty(None)
'''Reference to
:class:`~designer.designer_content.DesignerContent` instance.
:data:`designer_content` is a :class:`~kivy.properties.ObjectProperty`
'''
proj_tree_view = ObjectProperty(None)
'''Reference to Project Tree instance
:data:`proj_tree_view` is a :class:`~kivy.properties.ObjectProperty`
'''
designer_settings = ObjectProperty(None)
'''Reference of :class:`~designer.designer_settings.DesignerSettings`.
:data:`designer_settings` is a :class:`~kivy.properties.ObjectProperty`
'''
start_page = ObjectProperty(None)
'''Reference of :class:`~designer.start_page.DesignerStartPage`.
:data:`start_page` is a :class:`~kivy.properties.ObjectProperty`
'''
recent_files_cont_menu = ObjectProperty(None)
'''The context sub menu, containing the recently opened/saved projects.
Reference of :class:`~designer.uix.contextual.ContextSubMenu`.
:data:`recent_files_cont_menu` is a
:class:`~kivy.properties.ObjectProperty`
'''
def __init__(self, **kwargs):
super(Designer, self).__init__(**kwargs)
self.project_watcher = ProjectWatcher(self.project_modified)
self.project_loader = ProjectLoader(self.project_watcher)
self.recent_manager = RecentManager()
self.widget_to_paste = None
self.designer_content = DesignerContent(size_hint=(1, None))
self.designer_settings = DesignerSettings()
self.designer_settings.bind(on_config_change=self._config_change)
self.designer_settings.load_settings()
self.designer_settings.bind(on_close=self._cancel_popup)
Clock.schedule_interval(
self.project_loader.perform_auto_save,
int(
self.designer_settings.config_parser.getdefault(
'global', 'auto_save_time', 5)) * 60)
def show_help(self, *args):
'''Event handler for 'on_help' event of self.start_page
'''
self.help_dlg = HelpDialog()
self._popup = Popup(title='Kivy Designer Help',
content=self.help_dlg,
size_hint=(0.95, 0.95),
auto_dismiss=False)
self._popup.open()
self.help_dlg.bind(on_cancel=self._cancel_popup)
self.help_dlg.rst.source = 'help.rst'
def _config_change(self, *args):
'''Event Handler for 'on_config_change'
event of self.designer_settings.
'''
Clock.unschedule(self.project_loader.perform_auto_save)
Clock.schedule_interval(
self.project_loader.perform_auto_save,
int(
self.designer_settings.config_parser.getdefault(
'global', 'auto_save_time', 5)) * 60)
self.ui_creator.kv_code_input.reload_kv = \
bool(self.designer_settings.config_parser.getdefault(
'global', 'reload_kv', True))
self.recent_manager.max_recent_files = \
int(self.designer_settings.config_parser.getdefault(
'global', 'num_recent_files', 5))
def _add_designer_content(self):
'''Add designer_content to Designer, when a project is loaded
'''
for _child in self.children[:]:
if _child == self.designer_content:
return
self.remove_widget(self.start_page)
self.add_widget(self.designer_content, 1)
self.ids['actn_btn_save'].disabled = False
self.ids['actn_btn_save_as'].disabled = False
self.ids['actn_chk_proj_tree'].disabled = False
self.ids['actn_chk_prop_event'].disabled = False
self.ids['actn_chk_widget_tree'].disabled = False
self.ids['actn_chk_status_bar'].disabled = False
self.ids['actn_chk_kv_lang_area'].disabled = False
self.ids['actn_btn_add_file'].disabled = False
self.ids['actn_btn_custom_widget'].disabled = False
self.ids['actn_btn_proj_pref'].disabled = False
self.ids['actn_btn_run_proj'].disabled = False
def on_statusbar_height(self, *args):
'''Callback for statusbar.height
'''
self.designer_content.y = self.statusbar.height
self.on_height(*args)
def on_actionbar_height(self, *args):
'''Callback for actionbar.height
'''
self.on_height(*args)
def on_height(self, *args):
'''Callback for self.height
'''
if self.actionbar and self.statusbar:
self.designer_content.height = self.height - \
self.actionbar.height - self.statusbar.height
self.designer_content.y = self.statusbar.height
def project_modified(self, *args):
'''Event Handler called when Project is modified outside Kivy Designer
'''
#To dispatch modified event only once for all files/folders of proj_dir
if self._proj_modified_outside:
return
self._confirm_dlg = ConfirmationDialog(
message="Current Project has been modified\n"
"outside the Kivy Designer.\nDo you want to reload project?")
self._confirm_dlg.bind(on_ok=self._perform_reload,
on_cancel=self._cancel_popup)
self._popup = Popup(title='Kivy Designer',
content=self._confirm_dlg,
size_hint=(None, None),
size=('200pt', '150pt'),
auto_dismiss=False)
self._popup.open()
self._proj_modified_outside = True
def _perform_reload(self, *args):
'''Perform reload of project after it is modified
'''
#Perform reload of project after it is modified
self._popup.dismiss()
self.project_watcher.allow_event_dispatch = False
self._perform_open(self.project_loader.proj_dir)
self.project_watcher.allow_event_dispatch = True
self._proj_modified_outside = False
def on_show_edit(self, *args):
'''Event Handler of 'on_show_edit' event. This will show EditContView
in ActionBar
'''
if isinstance(self.actionbar.children[0], EditContView):
return
if self.editcontview is None:
self.editcontview = EditContView(
on_undo=self.action_btn_undo_pressed,
on_redo=self.action_btn_redo_pressed,
on_cut=self.action_btn_cut_pressed,
on_copy=self.action_btn_copy_pressed,
on_paste=self.action_btn_paste_pressed,
on_delete=self.action_btn_delete_pressed,
on_selectall=self.action_btn_select_all_pressed,
on_next_screen=self._next_screen,
on_prev_screen=self._prev_screen)
self.actionbar.add_widget(self.editcontview)
widget = self.ui_creator.propertyviewer.widget
if isinstance(widget, Carousel) or\
isinstance(widget, ScreenManager) or\
isinstance(widget, TabbedPanel):
self.editcontview.show_action_btn_screen(True)
else:
self.editcontview.show_action_btn_screen(False)
if self.ui_creator.kv_code_input.clicked:
self._edit_selected = 'KV'
elif self.ui_creator.playground.clicked:
self._edit_selected = 'Play'
else:
self._edit_selected = 'Py'
self.ui_creator.playground.clicked = False
self.ui_creator.kv_code_input.clicked = False
def _prev_screen(self, *args):
'''Event handler for 'on_prev_screen' for self.editcontview
'''
widget = self.ui_creator.propertyviewer.widget
if isinstance(widget, Carousel):
widget.load_previous()
elif isinstance(widget, ScreenManager):
widget.current = widget.previous()
elif isinstance(widget, TabbedPanel):
index = widget.tab_list.index(widget.current_tab)
if len(widget.tab_list) <= index + 1:
return
widget.switch_to(widget.tab_list[index + 1])
def _next_screen(self, *args):
'''Event handler for 'on_next_screen' for self.editcontview
'''
widget = self.ui_creator.propertyviewer.widget
if isinstance(widget, Carousel):
widget.load_next()
elif isinstance(widget, ScreenManager):
widget.current = widget.next()
elif isinstance(widget, TabbedPanel):
index = widget.tab_list.index(widget.current_tab)
if index == 0:
return
widget.switch_to(widget.tab_list[index - 1])
def on_touch_down(self, touch):
'''Override of FloatLayout.on_touch_down. Used to determine where
touch is down and to call self.actionbar.on_previous
'''
if not isinstance(self.actionbar.children[0], EditContView) or\
self.actionbar.collide_point(*touch.pos):
return super(FloatLayout, self).on_touch_down(touch)
self.actionbar.on_previous(self)
return super(FloatLayout, self).on_touch_down(touch)
def action_btn_new_pressed(self, *args):
'''Event Handler when ActionButton "New" is pressed.
'''
if not self._curr_proj_changed:
self._show_new_dialog()
return
self._confirm_dlg = ConfirmationDialog('All unsaved changes will be'
' lost.\n'
'Do you want to continue?')
self._confirm_dlg.bind(on_ok=self._show_new_dialog,
on_cancel=self._cancel_popup)
self._popup = Popup(title='New',
content=self._confirm_dlg,
size_hint=(None, None),
size=('200pt', '150pt'),
auto_dismiss=False)
self._popup.open()
def _show_new_dialog(self, *args):
if hasattr(self, '_popup'):
self._popup.dismiss()
self._new_dialog = NewProjectDialog()
self._new_dialog.bind(on_select=self._perform_new,
on_cancel=self._cancel_popup)
self._popup = Popup(title='New Project',
content=self._new_dialog,
size_hint=(None, None),
size=('650pt', '450pt'),
auto_dismiss=False)
self._popup.open()
def _perform_new(self, *args):
'''To load new project
'''
if hasattr(self, '_popup'):
self._popup.dismiss()
self.cleanup()
new_proj_dir = os.path.join(get_kivy_designer_dir(),
NEW_PROJECT_DIR_NAME)
if os.path.exists(new_proj_dir):
shutil.rmtree(new_proj_dir)
os.mkdir(new_proj_dir)
template = self._new_dialog.adapter.selection[0].text
kv_file = NEW_PROJECTS[template][0]
py_file = NEW_PROJECTS[template][1]
_dir = os.path.dirname(designer.__file__)
_dir = os.path.split(_dir)[0]
templates_dir = os.path.join(_dir, NEW_TEMPLATES_DIR)
shutil.copy(os.path.join(templates_dir, py_file),
os.path.join(new_proj_dir, "main.py"))
shutil.copy(os.path.join(templates_dir, kv_file),
os.path.join(new_proj_dir, "main.kv"))
self.ui_creator.playground.sandbox.error_active = True
with self.ui_creator.playground.sandbox:
self.project_loader.load_new_project(
os.path.join(new_proj_dir, "main.kv"))
root_wigdet = self.project_loader.get_root_widget()
self.ui_creator.playground.add_widget_to_parent(root_wigdet,
None,
from_undo=True)
self.ui_creator.kv_code_input.text = \
self.project_loader.get_full_str()
self.designer_content.update_tree_view(self.project_loader)
self._add_designer_content()
if self.project_loader.class_rules:
for i, _rule in enumerate(self.project_loader.class_rules):
widgets.append((_rule.name, 'custom'))
self.designer_content.toolbox.add_custom()
self.ui_creator.playground.sandbox.error_active = False
def cleanup(self):
'''To cleanup everything loaded by the current project before loading
another project.
'''
self.project_loader.cleanup()
self.ui_creator.cleanup()
self.undo_manager.cleanup()
self.designer_content.toolbox.cleanup()
for node in self.proj_tree_view.root.nodes[:]:
self.proj_tree_view.remove_node(node)
for widget in widgets[:]:
if widget[1] == 'custom':
widgets.remove(widget)
self._curr_proj_changed = False
self.ui_creator.kv_code_input.text = ""
self.designer_content.tab_pannel.list_py_code_inputs = []
for th in self.designer_content.tab_pannel.tab_list[:-1]:
self.designer_content.tab_pannel.remove_widget(th)
def action_btn_open_pressed(self, *args):
'''Event Handler when ActionButton "Open" is pressed.
'''
if not self._curr_proj_changed:
self._show_open_dialog()
return
self._confirm_dlg = ConfirmationDialog('All unsaved changes will be '
'lost.\n'
'Do you want to continue?')
self._confirm_dlg.bind(on_ok=self._show_open_dialog,
on_cancel=self._cancel_popup)
self._popup = Popup(title='Kivy Designer',
content=self._confirm_dlg,
size_hint=(None, None),
size=('200pt', '150pt'),
auto_dismiss=False)
self._popup.open()
def _show_open_dialog(self, *args):
'''To show FileBrowser to "Open" a project
'''
if hasattr(self, '_popup'):
self._popup.dismiss()
self._fbrowser = FileBrowser(select_string='Open')
def_path = os.getcwd()
if not self.project_loader.new_project and \
self.project_loader.proj_dir:
def_path = self.project_loader.proj_dir
if self._fbrowser.ids.tabbed_browser.current_tab.text == 'List View':
self._fbrowser.ids.list_view.path = def_path
else:
self._fbrowser.ids.icon_view.path = def_path
self._fbrowser.bind(on_success=self._fbrowser_load,
on_canceled=self._cancel_popup)
self._popup = Popup(title="Open",
content=self._fbrowser,
size_hint=(0.9, 0.9),
auto_dismiss=False)
self._popup.open()
def _select_class_selected(self, *args):
'''Event Handler for 'on_select' event of self._select_class
'''
selection = self._select_class.listview.adapter.selection[0].text
with self.ui_creator.playground.sandbox:
root_widget = self.project_loader.set_root_widget(selection)
self.ui_creator.playground.add_widget_to_parent(root_widget,
None,
from_undo=True)
self.ui_creator.kv_code_input.text = \
self.project_loader.get_root_str()
self._select_class_popup.dismiss()
def _select_class_cancel(self, *args):
'''Event Handler for 'on_cancel' event of self._select_class
'''
self._select_class_popup.dismiss()
def _fbrowser_load(self, instance):
'''Event Handler for 'on_load' event of self._fbrowser
'''
if instance.selection == []:
return
file_path = instance.selection[0]
self._popup.dismiss()
self._perform_open(file_path)
def _perform_open(self, file_path):
'''To open a project given by file_path
'''
for widget in widgets[:]:
if widget[1] == 'custom':
widgets.remove(widget)
self.cleanup()
self.ui_creator.playground.sandbox.error_active = True
root_widget = None
with self.ui_creator.playground.sandbox:
try:
self.project_loader.load_project(file_path)
if self.project_loader.class_rules:
for i, _rule in enumerate(self.project_loader.class_rules):
widgets.append((_rule.name, 'custom'))
self.designer_content.toolbox.add_custom()
#to test listview
#root_wigdet = None
root_wigdet = self.project_loader.get_root_widget()
if not root_wigdet:
#Show list box showing widgets
self._select_class = SelectClass(
self.project_loader.class_rules)
self._select_class.bind(
on_select=self._select_class_selected,
on_cancel=self._select_class_cancel)
self._select_class_popup = Popup(
title="Select Root Widget",
content=self._select_class,
size_hint=(0.5, 0.5),
auto_dismiss=False)
self._select_class_popup.open()
else:
self.ui_creator.playground.add_widget_to_parent(
root_wigdet, None, from_undo=True)
self.ui_creator.kv_code_input.text = \
self.project_loader.get_full_str()
self.recent_manager.add_file(file_path)
#Record everything for later use
self.project_loader.record()
self.designer_content.update_tree_view(self.project_loader)
self._add_designer_content()
except Exception as e:
self.statusbar.show_message('Cannot load Project: %s' %
(str(e)))
self.ui_creator.playground.sandbox.error_active = False
def _cancel_popup(self, *args):
'''EventHandler for all self._popup when self._popup.content
emits 'on_cancel' or equivalent.
'''
self._proj_modified_outside = False
self._popup.dismiss()
def action_btn_save_pressed(self, *args):
'''Event Handler when ActionButton "Save" is pressed.
'''
if self.project_loader.root_rule:
try:
if self.project_loader.new_project:
self.action_btn_save_as_pressed()
return
else:
self.project_loader.save_project()
projdir = self.project_loader.proj_dir
self.project_loader.cleanup(stop_watcher=False)
self.ui_creator.playground.cleanup()
self.project_loader.load_project(projdir)
root_wigdet = self.project_loader.get_root_widget()
self.ui_creator.playground.add_widget_to_parent(
root_wigdet, None, from_undo=True, from_kv=True)
self._curr_proj_changed = False
self.statusbar.show_message('Project saved successfully')
except:
self.statusbar.show_message('Cannot save project')
def action_btn_save_as_pressed(self, *args):
'''Event Handler when ActionButton "Save As" is pressed.
'''
if self.project_loader.root_rule:
self._curr_proj_changed = False
self._save_as_browser = FileBrowser(select_string='Save')
def_path = os.getcwd()
if not self.project_loader.new_project and \
self.project_loader.proj_dir:
def_path = self.project_loader.proj_dir
if self._save_as_browser.ids.tabbed_browser.current_tab.text == \
'List View':
self._save_as_browser.ids.list_view.path = def_path
else:
self._save_as_browser.ids.icon_view.path = def_path
self._save_as_browser.bind(on_success=self._perform_save_as,
on_canceled=self._cancel_popup)
self._popup = Popup(title="Enter Folder Name",
content=self._save_as_browser,
size_hint=(0.9, 0.9),
auto_dismiss=False)
self._popup.open()
def _perform_save_as(self, instance):
'''Event handler for 'on_success' event of self._save_as_browser
'''
if hasattr(self, '_popup'):
self._popup.dismiss()
proj_dir = ''
if instance.ids.tabbed_browser.current_tab.text == 'List View':
proj_dir = instance.ids.list_view.path
else:
proj_dir = instance.ids.icon_view.path
proj_dir = os.path.join(proj_dir, instance.filename)
try:
self.project_loader.save_project(proj_dir)
self.recent_manager.add_file(proj_dir)
projdir = self.project_loader.proj_dir
self.project_loader.cleanup()
self.ui_creator.playground.cleanup()
self.project_loader.load_project(projdir)
root_wigdet = self.project_loader.get_root_widget()
self.ui_creator.playground.add_widget_to_parent(root_wigdet,
None,
from_undo=True)
self.statusbar.show_message('Project saved successfully')
except:
self.statusbar.show_message('Cannot save project')
def action_btn_settings_pressed(self, *args):
'''Event handler for 'on_release' event of
DesignerActionButton "Settings"
'''
self.designer_settings.parent = None
self._popup = Popup(title="Kivy Designer Settings",
content=self.designer_settings,
size_hint=(None, None),
size=(600, 400),
auto_dismiss=False)
self._popup.open()
def action_btn_recent_files_pressed(self, *args):
'''Event Handler when ActionButton "Recent Files" is pressed.
'''
pass
def fill_recent_menu(self, *args):
'''Fill self.recent_files_cont_menu with DesignerActionButton
of all Recent Files
'''
recent_menu = self.recent_files_cont_menu
for _file in self.recent_manager.list_files:
act_btn = DesignerActionButton(text=_file, shorten=True)
recent_menu.add_widget(act_btn)
act_btn.bind(on_release=self._recent_file_release)
def _recent_file_release(self, instance, *args):
'''Event Handler for 'on_select' event of self._recent_dlg.
'''
self._perform_open(instance.text)
def action_btn_quit_pressed(self, *args):
'''Event Handler when ActionButton "Quit" is pressed.
'''
App.get_running_app().stop()
def action_btn_undo_pressed(self, *args):
'''Event Handler when ActionButton "Undo" is pressed.
'''
if self._edit_selected == 'Play':
self.undo_manager.do_undo()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_undo()
elif self._edit_selected == 'Py':
list_py = self.designer_content.tab_pannel.list_py_code_inputs
for code_input in list_py:
if code_input.clicked is True:
code_input.clicked = False
code_input.do_undo()
def action_btn_redo_pressed(self, *args):
'''Event Handler when ActionButton "Redo" is pressed.
'''
if self._edit_selected == 'Play':
self.undo_manager.do_redo()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_redo()
elif self._edit_selected == 'Py':
list_py = self.designer_content.tab_pannel.list_py_code_inputs
for code_input in list_py:
if code_input.clicked is True:
code_input.clicked = False
code_input.do_redo()
def action_btn_cut_pressed(self, *args):
'''Event Handler when ActionButton "Cut" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_cut()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_cut()
elif self._edit_selected == 'Py':
list_py = self.designer_content.tab_pannel.list_py_code_inputs
for code_input in list_py:
if code_input.clicked is True:
code_input.clicked = False
code_input.do_cut()
def action_btn_copy_pressed(self, *args):
'''Event Handler when ActionButton "Copy" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_copy()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_copy()
elif self._edit_selected == 'Py':
list_py = self.designer_content.tab_pannel.list_py_code_inputs
for code_input in list_py:
if code_input.clicked is True:
code_input.clicked = False
code_input.do_copy()
def action_btn_paste_pressed(self, *args):
'''Event Handler when ActionButton "Paste" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_paste()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_paste()
elif self._edit_selected == 'Py':
list_py = self.designer_content.tab_pannel.list_py_code_inputs
for code_input in list_py:
if code_input.clicked is True:
code_input.clicked = False
code_input.do_paste()
def action_btn_delete_pressed(self, *args):
'''Event Handler when ActionButton "Delete" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_delete()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_delete()
elif self._edit_selected == 'Py':
list_py = self.designer_content.tab_pannel.list_py_code_inputs
for code_input in list_py:
if code_input.clicked is True:
code_input.clicked = False
code_input.do_delete()
def action_btn_select_all_pressed(self, *args):
'''Event Handler when ActionButton "Select All" is pressed.
'''
if self._edit_selected == 'Play':
self.ui_creator.playground.do_select_all()
elif self._edit_selected == 'KV':
self.ui_creator.kv_code_input.do_select_all()
elif self._edit_selected == 'Py':
list_py = self.designer_content.tab_pannel.list_py_code_inputs
for code_input in list_py:
if code_input.clicked is True:
code_input.clicked = False
code_input.do_select_all()
def action_btn_add_custom_widget_press(self, *args):
'''Event Handler when ActionButton "Add Custom Widget" is pressed.
'''
self._custom_browser = FileBrowser(select_string='Add')
self._custom_browser.bind(on_success=self._custom_browser_load,
on_canceled=self._cancel_popup)
self._popup = Popup(title="Add Custom Widget",
content=self._custom_browser,
size_hint=(0.9, 0.9),
auto_dismiss=False)
self._popup.open()
def _custom_browser_load(self, instance):
'''Event Handler for 'on_success' event of self._custom_browser
'''
file_path = instance.selection[0]
self._popup.dismiss()
self.ui_creator.playground.sandbox.error_active = True
with self.ui_creator.playground.sandbox:
try:
self.project_loader.add_custom_widget(file_path)
self.designer_content.toolbox.cleanup()
for _rule in (self.project_loader.custom_widgets):
widgets.append((_rule.name, 'custom'))
self.designer_content.toolbox.add_custom()
except ProjectLoaderException as e:
self.statusbar.show_message('Cannot load widget. %s' % str(e))
self.ui_creator.playground.sandbox.error_active = False
def action_chk_btn_toolbox_active(self, chk_btn):
'''Event Handler when ActionCheckButton "Toolbox" is activated.
'''
if chk_btn.checkbox.active:
self._toolbox_parent.add_widget(
self.designer_content.splitter_tree)
self.designer_content.splitter_tree.width = self._toolbox_width
else:
self._toolbox_parent = self.designer_content.splitter_tree.parent
self._toolbox_parent.remove_widget(
self.designer_content.splitter_tree)
self._toolbox_width = self.designer_content.splitter_tree.width
self.designer_content.splitter_tree.width = 0
def action_chk_btn_property_viewer_active(self, chk_btn):
'''Event Handler when ActionCheckButton "Property Viewer" is activated.
'''
if chk_btn.checkbox.active:
self._toggle_splitter_widget_tree()
if self.ui_creator.splitter_widget_tree.parent is None:
self._splitter_widget_tree_parent.add_widget(
self.ui_creator.splitter_widget_tree)
self.ui_creator.splitter_widget_tree.width = \
self._splitter_widget_tree_width
add_tree = False
if self.ui_creator.grid_widget_tree.parent is not None:
add_tree = True
self.ui_creator.splitter_property.size_hint_y = None
self.ui_creator.splitter_property.height = 300
self._splitter_property_parent.clear_widgets()
if add_tree:
self._splitter_property_parent.add_widget(
self.ui_creator.grid_widget_tree)
self._splitter_property_parent.add_widget(
self.ui_creator.splitter_property)
else:
self._splitter_property_parent = \
self.ui_creator.splitter_property.parent
self._splitter_property_parent.remove_widget(
self.ui_creator.splitter_property)
self._toggle_splitter_widget_tree()
def action_chk_btn_widget_tree_active(self, chk_btn):
'''Event Handler when ActionCheckButton "Widget Tree" is activated.
'''
if chk_btn.checkbox.active:
self._toggle_splitter_widget_tree()
add_prop = False
if self.ui_creator.splitter_property.parent is not None:
add_prop = True
self._grid_widget_tree_parent.clear_widgets()
self._grid_widget_tree_parent.add_widget(
self.ui_creator.grid_widget_tree)
if add_prop:
self._grid_widget_tree_parent.add_widget(
self.ui_creator.splitter_property)
self.ui_creator.splitter_property.size_hint_y = None
self.ui_creator.splitter_property.height = 300
else:
self._grid_widget_tree_parent = \
self.ui_creator.grid_widget_tree.parent
self._grid_widget_tree_parent.remove_widget(
self.ui_creator.grid_widget_tree)
self.ui_creator.splitter_property.size_hint_y = 1
self._toggle_splitter_widget_tree()
def _toggle_splitter_widget_tree(self):
'''To show/hide splitter_widget_tree
'''
if self.ui_creator.splitter_widget_tree.parent is not None and\
self.ui_creator.splitter_property.parent is None and\
self.ui_creator.grid_widget_tree.parent is None:
self._splitter_widget_tree_parent = \
self.ui_creator.splitter_widget_tree.parent
self._splitter_widget_tree_parent.remove_widget(
self.ui_creator.splitter_widget_tree)
self._splitter_widget_tree_width = \
self.ui_creator.splitter_widget_tree.width
self.ui_creator.splitter_widget_tree.width = 0
elif self.ui_creator.splitter_widget_tree.parent is None:
self._splitter_widget_tree_parent.add_widget(
self.ui_creator.splitter_widget_tree)
self.ui_creator.splitter_widget_tree.width = \
self._splitter_widget_tree_width
def action_chk_btn_status_bar_active(self, chk_btn):
'''Event Handler when ActionCheckButton "StatusBar" is activated.
'''
if chk_btn.checkbox.active:
self._statusbar_parent.add_widget(self.statusbar)
self.statusbar.height = self._statusbar_height
else:
self._statusbar_parent = self.statusbar.parent
self._statusbar_height = self.statusbar.height
self._statusbar_parent.remove_widget(self.statusbar)
self.statusbar.height = 0
def action_chk_btn_kv_area_active(self, chk_btn):
'''Event Handler when ActionCheckButton "KVLangArea" is activated.
'''
if chk_btn.checkbox.active:
self.ui_creator.splitter_kv_code_input.height = \
self._kv_area_height
self._kv_area_parent.add_widget(
self.ui_creator.splitter_kv_code_input)
else:
self._kv_area_parent = \
self.ui_creator.splitter_kv_code_input.parent
self._kv_area_height = \
self.ui_creator.splitter_kv_code_input.height
self.ui_creator.splitter_kv_code_input.height = 0
self._kv_area_parent.remove_widget(
self.ui_creator.splitter_kv_code_input)
def _error_adding_file(self, *args):
'''Event Handler for 'on_error' event of self._add_file_dlg
'''
self.statusbar.show_message('Error while adding file to project')
self._popup.dismiss()
def _added_file(self, *args):
'''Event Handler for 'on_added' event of self._add_file_dlg
'''
self.statusbar.show_message('File successfully added to project')
self._popup.dismiss()
if self._add_file_dlg.target_file[3:] == '.py':
self.designer_content.add_file_to_tree_view(
self._add_file_dlg.target_file)
def action_btn_add_file_pressed(self, *args):
'''Event Handler when ActionButton "Add File" is pressed.
'''
self._add_file_dlg = AddFileDialog(self.project_loader)
self._add_file_dlg.bind(on_added=self._added_file,
on_error=self._error_adding_file,
on_cancel=self._cancel_popup)
self._popup = Popup(title="Add File",
content=self._add_file_dlg,
size_hint=(None, None),
size=(400, 300),
auto_dismiss=False)
self._popup.open()
def action_btn_project_pref_pressed(self, *args):
'''Event Handler when ActionButton "Project Prefences" is pressed.
'''
self.proj_settings = ProjectSettings(proj_loader=self.project_loader)
self.proj_settings.load_proj_settings()
self.proj_settings.bind(on_close=self._cancel_popup)
self._popup = Popup(title="Project Preferences",
content=self.proj_settings,
size_hint=(None, None),
size=(600, 400),
auto_dismiss=False)
self._popup.open()
def action_btn_run_project_pressed(self, *args):
'''Event Handler when ActionButton "Run" is pressed.
'''
if self.project_loader.file_list == []:
return
args = ''
envs = ''
python_path = self.designer_settings.config_parser.getdefault(
'global', 'python_shell_path', '')
if python_path == '':
self.statusbar.show_message("Python Shell Path not specified,"
" please specify it before running"
" project")
return
if self.proj_settings and self.proj_settings.config_parser:
args = self.proj_settings.config_parser.getdefault(
'arguments', 'arg', '')
envs = self.proj_settings.config_parser.getdefault(
'env variables', 'env', '')
for env in envs.split(' '):
self.ui_creator.kivy_console.environment[
env[:env.find('=')]] = env[env.find('=') + 1:]
for _file in self.project_loader.file_list:
if 'main.py' in os.path.basename(_file):
self.ui_creator.kivy_console.stdin.write(
'%s %s %s' % (python_path, _file, args))
self.ui_creator.tab_pannel.switch_to(
self.ui_creator.tab_pannel.tab_list[2])
return
self.ui_creator.kivy_console.stdin.write(
'%s %s %s' % (python_path, self.project_loader._app_file, args))
self.ui_creator.tab_pannel.switch_to(
self.ui_creator.tab_pannel.tab_list[2])
def on_sandbox_getting_exception(self, *args):
'''Event Handler for
:class:`~designer.uix.designer_sandbox.DesignerSandbox`
on_getting_exception event. This function will add exception
string in error_console.
'''
s = traceback.format_list(
traceback.extract_tb(self.ui_creator.playground.sandbox.tb))
s = '\n'.join(s)
to_insert = "Exception:\n" + s + '\n' + \
"{!r}".format(self.ui_creator.playground.sandbox.exception)
text = self.ui_creator.error_console.text + to_insert + '\n\n'
self.ui_creator.error_console.text = text
if self.ui_creator.playground.sandbox.error_active:
self.ui_creator.tab_pannel.switch_to(
self.ui_creator.tab_pannel.tab_list[0])
self.ui_creator.playground.sandbox.error_active = False
def action_btn_about_pressed(self, *args):
'''Event handler for 'on_release' event of DesignerActionButton
"About Kivy Designer"
'''
self.about_dlg = AboutDialog()
self._popup = Popup(title='About Kivy Designer',
content=self.about_dlg,
size_hint=(None, None),
size=(600, 400),
auto_dismiss=False)
self._popup.open()
self.about_dlg.bind(on_cancel=self._cancel_popup)