def __init__(self, onSelected = None, onDouble = None):
Base.__init__(self)
self.items = []
if self.font:
font = self.font
else:
font = getTheme().defaultFont
self.numVisible = self.height / ( font.getTextSize("x")[1] )
self.numItems = 0
self.topItem = 0
self.selected = -1
self.vscroll = VScroll()
self.addChild(self.vscroll)
self.registerEvent(pyui2.locals.SCROLLPOS, self._pyui2ScrollPos)
self.registerEvent(pyui2.locals.LMOUSEBUTTONDOWN, self._pyui2LButtonDown)
self.registerEvent(pyui2.locals.RMOUSEBUTTONDOWN, self._pyui2LButtonDown)
self.registerEvent(pyui2.locals.LMOUSEBUTTONUP, self._pyui2LButtonUp)
self.registerEvent(pyui2.locals.RMOUSEBUTTONUP, self._pyui2LButtonUp)
self.registerEvent(pyui2.locals.LMOUSEDBLCLICK, self._pyui2DoubleClick)
self.registerEvent(pyui2.locals.LIST_SELECTED, self._pyui2SelectEvent)
self.registerEvent(pyui2.locals.LIST_DBLCLICK, self._pyui2DoubleEvent)
self.resize(100,100)
self.selectHandler = onSelected
self.doubleHandler = onDouble
class ListBox(Base):
"""List Box has a scrollable list of selectable items.
List box behavior should incorporate the right mouse button -BrianU 10-31-02
"""
canTab = 1
widgetLabel = "LISTBOX"
def __init__(self, onSelected = None, onDouble = None):
Base.__init__(self)
self.items = []
if self.font:
font = self.font
else:
font = getTheme().defaultFont
self.numVisible = self.height / ( font.getTextSize("x")[1] )
self.numItems = 0
self.topItem = 0
self.selected = -1
self.vscroll = VScroll()
self.addChild(self.vscroll)
self.registerEvent(pyui2.locals.SCROLLPOS, self._pyui2ScrollPos)
self.registerEvent(pyui2.locals.LMOUSEBUTTONDOWN, self._pyui2LButtonDown)
self.registerEvent(pyui2.locals.RMOUSEBUTTONDOWN, self._pyui2LButtonDown)
self.registerEvent(pyui2.locals.LMOUSEBUTTONUP, self._pyui2LButtonUp)
self.registerEvent(pyui2.locals.RMOUSEBUTTONUP, self._pyui2LButtonUp)
self.registerEvent(pyui2.locals.LMOUSEDBLCLICK, self._pyui2DoubleClick)
self.registerEvent(pyui2.locals.LIST_SELECTED, self._pyui2SelectEvent)
self.registerEvent(pyui2.locals.LIST_DBLCLICK, self._pyui2DoubleEvent)
self.resize(100,100)
self.selectHandler = onSelected
self.doubleHandler = onDouble
def clearAllItems(self):
self.items = []
if self.font:
font = self.font
else:
font = getTheme().defaultFont
self.numVisible = self.height / (font.getTextSize("x")[1] )
self.numItems = 0
self.topItem = 0
self.selected = -1
def populateList(self, items):
for item in items:
self.addItem(item, None)
self.sortByName()
def addItem(self, itemText, itemData, color = None):
"""add an item to the list box. the data value is stored for the item
and will be available when events occur on that item.
"""
item = ListBoxItem(itemText, itemData, color, color)
self.items.append(item)
self.numItems = len(self.items)
self.vscroll.setNumItems(self.numItems, self.numVisible)
self.setDirty()
def removeItem(self, itemText):
i = 0
for item in self.items:
if item.name == itemText:
if i <= self.selected:
self.selected -= 1
self.items.pop(i)
#print "removed %s" % itemText
break
#print itemText, item.name
i = i + 1
self.numItems = len(self.items)
self.vscroll.setNumItems(self.numItems, self.numVisible)
self.setDirty()
def removeItemByData(self, itemData):
i = 0
for item in self.items:
if item.data == itemData:
if i <= self.selected:
self.selected -= 1
self.items.pop(i)
break
i = i + 1
self.numItems = len(self.items)
self.vscroll.setNumItems(self.numItems, self.numVisible)
self.setDirty()
def getItemByData(self, itemData):
for item in self.items:
if item.data == itemData:
return item
return None
def present(self, presenter, graphicsContext, parentRect=None):
presenter.drawWidget(self.widgetLabel, self, graphicsContext, parentRect)
offsetX = 0
offsetY = 0
if parentRect != None:
offsetX = parentRect[0]
offsetY = parentRect[1]
for child in self.children:
child.present(presenter, graphicsContext, (self.posX+offsetX, self.posY+offsetY, self.windowRect[2], self.windowRect[3]))
def getSelectedItem(self):
if self.selected > -1 and self.selected < len(self.items):
return self.items[self.selected]
return None
def setSelectedItem(self, name):
i=0
for item in self.items:
if item.name == name:
self.selected = i
self.setDirty()
break
i = i + 1
def resize(self, w, h):
Base.resize(self, w, h)
if self.font:
font = self.font
else:
font = getTheme().defaultFont
self.numVisible = int (self.height / font.getTextSize("x")[1] )
self.vscroll.setNumItems(self.numItems, self.numVisible)
self.vscroll.resize(getTheme().getScrollerSize(), h)
self.vscroll.moveto(self.posX + w - getTheme().getScrollerSize(), self.posY)
def clearSelection(self):
self.selected = -1
self.setDirty()
def clear(self):
self.items = []
self.numItems = 0
self.vscroll.setNumItems(0, self.numVisible)
self.selected = -1
self.setDirty()
def sortByName(self):
self.items.sort(self.itemCompareByName)
self.setDirty()
def sortByData(self):
self.items.sort(self.itemCompareByData)
self.setDirty()
def itemCompareByName(self, item1, item2):
return cmp(item1.name, item2.name)
def itemCompareByData(self, item1, item2):
return cmp(item1.data, item2.data)
def handleEvent(self, event):
if not self.show:
return
# The listbox is a composite widget, it not only consists of the
# list, but also a scrollbar.
if self.vscroll.handleEvent(event):
return 1
if self.eventMap.has_key(event.type):
if self.eventMap[event.type](event):
return 1
return 0
def _pyui2ScrollPos(self, event):
if event.id == self.vscroll.id:
self.topItem = event.pos
self.setDirty()
def _pyui2LButtonDown(self, event):
if not self.hit(event.pos):
return 0
adjEvtPos = self.convertToWindowCoords(event.pos)
if self.font:
font = self.font
else:
font = getTheme().defaultFont
item = int( (adjEvtPos[1] - self.posY) / font.getTextSize("x")[1] )
self.selected = item + self.topItem
self.postEvent(pyui2.locals.LIST_SELECTED)
self.setDirty()
return 0
def _pyui2LButtonUp(self, event):
return 0
def _pyui2DoubleClick(self, event):
if not self.hit(event.pos):
return 0
adjEvtPos = self.convertToWindowCoords(event.pos)
if self.font:
font = self.font
else:
font = getTheme().defaultFont
item = int( (adjEvtPos[1] - self.posY) / font.getTextSize("x")[1] )
self.selected = item + self.topItem
self.postEvent(pyui2.locals.LIST_DBLCLICK)
self.setDirty()
return 1
def _pyui2SelectEvent(self, event):
if event.id == self.id:
if self.selectHandler:
self.selectHandler( self.getSelectedItem() )
return 1
return 0
def _pyui2DoubleEvent(self, event):
if event.id == self.id:
if self.doubleHandler:
self.doubleHandler( self.getSelectedItem() )
return 1
return 0
