Source Code for Module pyjamas.ui.DialogBox

  1  # Copyright 2006 James Tauber and contributors 
  2  # Copyright (C) 2009 Luke Kenneth Casson Leighton <lkcl@lkcl.net> 
  3  # 
  4  # Licensed under the Apache License, Version 2.0 (the "License"); 
  5  # you may not use this file except in compliance with the License. 
  6  # You may obtain a copy of the License at 
  7  # 
  8  #     http://www.apache.org/licenses/LICENSE-2.0 
  9  # 
 10  # Unless required by applicable law or agreed to in writing, software 
 11  # distributed under the License is distributed on an "AS IS" BASIS, 
 12  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 13  # See the License for the specific language governing permissions and 
 14  # limitations under the License. 
 15  from pyjamas import DOM 
 16  from pyjamas import Factory 
 17   
 18  from PopupPanel import PopupPanel 
 19  from HTML import HTML 
 20  from FlexTable import FlexTable 
 21  from pyjamas.ui import HasHorizontalAlignment 
 22  from pyjamas.ui import HasVerticalAlignment 
 23   
 24 -class DialogBox(PopupPanel): 
 25 -    def __init__(self, autoHide=None, modal=True, **kwargs): 
 26   
 27          PopupPanel.__init__(self, autoHide, modal, **kwargs) 
 28          self.caption = HTML() 
 29          self.child = None 
 30          self.dragging = False 
 31          self.dragStartX = 0 
 32          self.dragStartY = 0 
 33          self.panel = FlexTable(Height="100%", BorderWidth="0", 
 34                                  CellPadding="0", CellSpacing="0") 
 35          self.panel.setWidget(0, 0, self.caption) 
 36          self.panel.getCellFormatter().setHeight(1, 0, "100%") 
 37          self.panel.getCellFormatter().setWidth(1, 0, "100%") 
 38          self.panel.getCellFormatter().setAlignment(1, 0, HasHorizontalAlignment.ALIGN_CENTER, HasVerticalAlignment.ALIGN_MIDDLE) 
 39          PopupPanel.setWidget(self, self.panel) 
 40   
 41          self.setStyleName("gwt-DialogBox") 
 42          self.caption.setStyleName("Caption") 
 43          self.caption.addMouseListener(self) 
 44   
 45 -    def getHTML(self): 
 46          return self.caption.getHTML() 
 47   
 48 -    def getText(self): 
 49          return self.caption.getText() 
 50   
 51 -    def onEventPreview(self, event): 
 52          # preventDefault on mousedown events, outside of the 
 53          # dialog, to stop text-selection on dragging 
 54          type = DOM.eventGetType(event) 
 55          if type == 'mousedown': 
 56              target = DOM.eventGetTarget(event) 
 57              elem = self.caption.getElement() 
 58              event_targets_popup = target and DOM.isOrHasChild(elem, target) 
 59              if event_targets_popup: 
 60                  DOM.eventPreventDefault(event) 
 61          return PopupPanel.onEventPreview(self, event) 
 62   
 63 -    def onMouseDown(self, sender, x, y): 
 64          self.dragging = True 
 65          DOM.setCapture(self.caption.getElement()) 
 66          self.dragStartX = x 
 67          self.dragStartY = y 
 68   
 69 -    def onMouseEnter(self, sender): 
 70          pass 
 71   
 72 -    def onMouseLeave(self, sender): 
 73          pass 
 74   
 75 -    def onMouseMove(self, sender, x, y): 
 76          if self.dragging: 
 77              absX = x + self.getAbsoluteLeft() 
 78              absY = y + self.getAbsoluteTop() 
 79              self.setPopupPosition(absX - self.dragStartX, absY - self.dragStartY) 
 80   
 81 -    def onMouseUp(self, sender, x, y): 
 82          self.dragging = False 
 83          DOM.releaseCapture(self.caption.getElement()) 
 84   
 85 -    def remove(self, widget): 
 86          if self.child != widget: 
 87              return False 
 88   
 89          self.panel.remove(widget) 
 90          self.child = None 
 91          return True 
 92   
 93 -    def setHTML(self, html): 
 94          self.caption.setHTML(html) 
 95   
 96 -    def setText(self, text): 
 97          self.caption.setText(text) 
 98   
 99 -    def doAttachChildren(self): 
100          PopupPanel.doAttachChildren(self) 
101          self.caption.onAttach() 
102   
103 -    def doDetachChildren(self): 
104          PopupPanel.doDetachChildren(self) 
105          self.caption.onDetach() 
106   
107 -    def setWidget(self, widget): 
108          if self.child is not None: 
109              self.panel.remove(self.child) 
110   
111          if widget is not None: 
112              self.panel.setWidget(1, 0, widget) 
113   
114          self.child = widget 
115   
116  Factory.registerClass('pyjamas.ui.DialogBox', DialogBox) 
117