Mercurial > libervia-web
diff browser_side/base_widget.py @ 196:c2639c9f86ea
Browser Side: Widgets can now be moved, header (title bar) is draggable:
- DragLabel moved to tools
- new LiberviaDragWidget which manage currently dragged widget
- getLiberviaWidgetsCount give number of widget of WidgetsPanel
- LiberviaWidget's header has now its own class
- new "WIDGET" drag type
/!\ not fully finished, can crash if moved on the bad border (like last row border if the widget is the only one on this row)
author | Goffi <goffi@goffi.org> |
---|---|
date | Tue, 05 Mar 2013 01:20:59 +0100 |
parents | dd27072d8ae0 |
children | 0fc32122a877 |
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--- a/browser_side/base_widget.py Mon Mar 04 23:01:57 2013 +0100 +++ b/browser_side/base_widget.py Tue Mar 05 01:20:59 2013 +0100 @@ -36,6 +36,7 @@ from pyjamas.ui import HasAlignment from pyjamas import DOM import dialog +from tools import LiberviaDragWidget from pyjamas import Window from __pyjamas__ import doc @@ -53,6 +54,8 @@ DropCell.drop_keys[key] = callback def onDragEnter(self, event): + if self == LiberviaDragWidget.current: + return self.addStyleName('dragover') DOM.eventPreventDefault(event) @@ -89,10 +92,26 @@ item=' ' item_type = None DOM.eventPreventDefault(event) - if item_type in self.drop_keys: + if item_type == "WIDGET": + if not LiberviaDragWidget.current: + print "ERROR: No widget registered in LiberviaDragWidget !" + return + _new_panel = LiberviaDragWidget.current + if self == _new_panel: # We can't drop on ourself + return + # we need to remove the widget from the panel as it will be inserted elsewhere + widgets_panel = _new_panel.getWidgetsPanel() + if widgets_panel.getLiberviaWidgetsCount() == 1: + # the dropped widget is the only one in the panel, + # we don't do anything + self.removeStyleName('dragover') + return + widgets_panel.removeWidget(_new_panel) + elif item_type in self.drop_keys: _new_panel = self.drop_keys[item_type](self.host,item) else: - return False + print "WARNING: unmanaged item type" + return if isinstance(self, LiberviaWidget): self.host.unregisterWidget(self) self.onQuit() @@ -112,6 +131,28 @@ DOM.setStyleAttribute(td_elt, "width", "%s%%" % _width)""" #FIXME: delete object ? Check the right way with pyjamas +class WidgetHeader(AbsolutePanel, LiberviaDragWidget): + + def __init__(self, parent, title): + AbsolutePanel.__init__(self) + self.add(title) + button_group_wrapper = SimplePanel() + button_group_wrapper.setStyleName('widgetHeader_buttonsWrapper') + button_group = HorizontalPanel() + button_group.setStyleName('widgetHeader_buttonGroup') + setting_button = Image("media/icons/misc/settings.png") + setting_button.setStyleName('widgetHeader_settingButton') + setting_button.addClickListener(parent.onSetting) + close_button = Image("media/icons/misc/close.png") + close_button.setStyleName('widgetHeader_closeButton') + close_button.addClickListener(parent.onClose) + button_group.add(setting_button) + button_group.add(close_button) + button_group_wrapper.setWidget(button_group) + self.add(button_group_wrapper) + self.addStyleName('widgetHeader') + LiberviaDragWidget.__init__(self, "", "WIDGET", parent) + class LiberviaWidget(DropCell, VerticalPanel, ClickHandler): """Libervia's widget which can replace itself with a dropped widget on DnD""" @@ -127,33 +168,17 @@ self.__title_id = HTMLPanel.createUniqueId() self.__setting_button_id = HTMLPanel.createUniqueId() self.__close_button_id = HTMLPanel.createUniqueId() - header = AbsolutePanel() self.__title = Label(title) self.__title.setStyleName('widgetHeader_title') - header.add(self.__title) - button_group_wrapper = SimplePanel() - button_group_wrapper.setStyleName('widgetHeader_buttonsWrapper') - button_group = HorizontalPanel() - button_group.setStyleName('widgetHeader_buttonGroup') - setting_button = Image("media/icons/misc/settings.png") - setting_button.setStyleName('widgetHeader_settingButton') - setting_button.addClickListener(self.onSetting) - close_button = Image("media/icons/misc/close.png") - close_button.setStyleName('widgetHeader_closeButton') - close_button.addClickListener(self.onClose) - button_group.add(setting_button) - button_group.add(close_button) - button_group_wrapper.setWidget(button_group) - header.add(button_group_wrapper) + header = WidgetHeader(self, self.__title) self.add(header) - header.addStyleName('widgetHeader') self.setSize('100%', '100%') self.addStyleName('widget') if self.__selectable: self.addClickListener(self) self.host.registerWidget(self) - def _getWidgetsPanel(self): + def getWidgetsPanel(self): current = self while current is not None and current.__class__ != WidgetsPanel: current = current.getParent() @@ -166,7 +191,7 @@ def onClose(self, sender): """ Called when the close button is pushed """ - _widgetspanel = self._getWidgetsPanel() + _widgetspanel = self.getWidgetsPanel() _widgetspanel.removeWidget(self) self.onQuit() @@ -175,7 +200,7 @@ pass def onSetting(self, sender): - widpanel = self._getWidgetsPanel() + widpanel = self.getWidgetsPanel() row, col = widpanel.getIndex(self) body = VerticalPanel() @@ -445,7 +470,7 @@ self._sizesAdjust() current = self - blank_page = not [wid for wid in self.flextable if isinstance(wid, LiberviaWidget)] # do we still have widgets on the page ? + blank_page = self.getLiberviaWidgetsCount() == 0 # do we still have widgets on the page ? if blank_page and not self.isLocked(): #we now notice the MainTabPanel that the WidgetsPanel is empty and need to be removed @@ -456,6 +481,10 @@ current = current.getParent() print "Error: no MainTabPanel found !" + def getLiberviaWidgetsCount(self): + """ Get count of contained widgets """ + return len([wid for wid in self.flextable if isinstance(wid, LiberviaWidget)]) + def getIndex(self, wid): return self.flextable.getIndex(wid)