class DisclosurePanel(Composite):
def __init__(self, headerText, isOpen=False, **kwargs):
self.handlers = []
self.content = None
# this is awkward: VerticalPanel is the composite,
# so we get the element here, and pass it in to VerticalPanel.
element = None
if kwargs.has_key('Element'):
element = kwargs.pop('Element')
self.mainPanel = VerticalPanel(Element=element)
self.header = ClickableHeader(self)
self.contentWrapper = SimplePanel()
self.mainPanel.add(self.header)
self.mainPanel.add(self.contentWrapper)
DOM.setStyleAttribute(self.contentWrapper.getElement(),
"padding", "0px");
DOM.setStyleAttribute(self.contentWrapper.getElement(),
"overflow", "hidden");
self.isOpen = isOpen
self.headerObj = DefaultHeader(headerText, self)
self.setHeader(self.headerObj)
if not kwargs.has_key('StyleName'): kwargs['StyleName']="gwt-DisclosurePanel"
Composite.__init__(self, self.mainPanel, **kwargs)
self.setContentDisplay()
def add(self, widget):
if self.getContent() is None:
self.setContent(widget)
def addEventHandler(self, handler):
self.handlers.append(handler)
def removeEventHandler(self, handler):
self.handlers.remove(handler)
def clear(self):
self.setContent(None)
def getContent(self):
return self.content
def getHeader(self):
return self.header.getWidget()
def getOpen(self):
return self.isOpen
def remove(self, widget):
if widget == self.getContent():
self.setContent(None)
return True
return False
def setContent(self, widget):
if self.content is not None:
self.contentWrapper.setWidget(None)
self.content.removeStyleName("content")
self.content = widget
if self.content is not None:
self.contentWrapper.setWidget(self.content)
self.content.addStyleName("content")
self.setContentDisplay()
def setHeader(self, widget):
self.header.setWidget(widget)
def setOpen(self, isOpen):
if self.isOpen == isOpen:
return
self.isOpen = isOpen
self.setContentDisplay()
self.fireEvent()
def fireEvent(self):
for handler in self.handlers:
if self.isOpen:
handler.onOpen(self)
else:
handler.onClose(self)
def setContentDisplay(self):
if self.isOpen:
self.addStyleName("open")
self.removeStyleName("closed")
else:
self.addStyleName("closed")
self.removeStyleName("open")
self.contentWrapper.setVisible(self.isOpen)
class DisclosurePanel(Composite):
def __init__(self, *args, **kwargs):
self.handlers = []
self.content = None
# this is awkward: VerticalPanel is the composite,
# so we get the element here, and pass it in to VerticalPanel.
element = kwargs.pop('Element', None)
# process the passed arguments
headerText = headerWidget = None
isOpen = False
if len(args) == 1:
header = args[0]
if len(args) == 2:
header, isOpen = args[:2]
# apparently "basestring" is not understood
if isinstance(header, str):
headerText = header
else:
headerWidget = header
isOpen = kwargs.pop('isOpen', isOpen)
headerText = kwargs.pop('header', headerText)
headerWidget = kwargs.pop('header', headerWidget)
# TODO: add ImageBundle
# images = kwargs.pop('images', None)
# If both headerText and headerWidget are arguments, headerText will
# be used to preserve API compatibility.
headerContent = headerWidget
if headerText is not None or headerContent is None:
if headerText is None:
headerText = ""
headerContent = DefaultHeader(headerText)
self.mainPanel = VerticalPanel(Element=element)
self._init_header(headerContent)
self.contentWrapper = SimplePanel()
self.mainPanel.add(self.header)
self.mainPanel.add(self.contentWrapper)
DOM.setStyleAttribute(self.contentWrapper.getElement(),
"padding", "0px");
DOM.setStyleAttribute(self.contentWrapper.getElement(),
"overflow", "hidden");
if not kwargs.has_key('StyleName'): kwargs['StyleName']="gwt-DisclosurePanel"
Composite.__init__(self, self.mainPanel, **kwargs)
# Must call setOpen after creating the initializing the object
self.isOpen = None
self.setOpen(isOpen)
self.setContentDisplay()
def _init_header(self, headerContent):
self.header = ClickableHeader(self)
self.headerObj = headerContent
self.addEventHandler(self.headerObj)
self.setHeader(self.headerObj)
def add(self, widget):
if self.getContent() is None:
self.setContent(widget)
def addEventHandler(self, handler):
self.handlers.append(handler)
def removeEventHandler(self, handler):
self.handlers.remove(handler)
def clear(self):
self.setContent(None)
def getContent(self):
return self.content
def getHeader(self):
return self.header.getWidget()
def getOpen(self):
return self.isOpen
def remove(self, widget):
if widget == self.getContent():
self.setContent(None)
return True
return False
def setContent(self, widget):
if self.content is not None:
self.contentWrapper.setWidget(None)
self.content.removeStyleName("content")
self.content = widget
if self.content is not None:
self.contentWrapper.setWidget(self.content)
self.content.addStyleName("content")
self.setContentDisplay()
def setHeader(self, widget):
self.header.setWidget(widget)
def setOpen(self, isOpen):
if self.isOpen == isOpen:
return
self.isOpen = isOpen
self.setContentDisplay()
self.fireEvent()
def fireEvent(self):
for handler in self.handlers:
if self.isOpen:
handler.onOpen(self)
else:
handler.onClose(self)
def setContentDisplay(self):
if self.isOpen:
self.addStyleName("open")
self.removeStyleName("closed")
else:
self.addStyleName("closed")
self.removeStyleName("open")
self.contentWrapper.setVisible(self.isOpen)
