def __init__(self, numVisible = 5, onSelected = None, listItems = None, selection = None, editable = True):
Base.__init__(self)
self.numVisible = numVisible
self.selectionList = ListBox(self._pyui2SelectedEvent)
self.selectionList.setShow(0)
self.addChild(self.selectionList)
self.registerEvent(pyui2.locals.LMOUSEBUTTONDOWN, self._pyui2MouseDown)
self.selectHandler = onSelected
self.addItems(listItems)
self.setSelectedItem(selection)
class DropDownBox(Base):
"""A drop-down selection box. Pass the number of lines to be visible in the drop-down
list to the constructor.
"""
BUTTON_WIDTH = 10
DEFAULT_WIDTH = 10
widgetLabel = "DROPDOWN"
def __init__(self, numVisible = 5, onSelected = None, listItems = None, selection = None, editable = True):
Base.__init__(self)
self.numVisible = numVisible
self.selectionList = ListBox(self._pyui2SelectedEvent)
self.selectionList.setShow(0)
self.addChild(self.selectionList)
self.registerEvent(pyui2.locals.LMOUSEBUTTONDOWN, self._pyui2MouseDown)
self.selectHandler = onSelected
self.addItems(listItems)
self.setSelectedItem(selection)
def getPreferredSize(self):
font = getTheme().getProperty("DEFAULT FONT")
size = font.getTextSize("W" * self.DEFAULT_WIDTH)
return int(size[0]), int(size[1])
def getMaximumSize(self):
return Much, self.getPreferredSize()[1]
## pass-through methods to the list box
def addItem(self, itemText, itemData, color = None):
self.selectionList.addItem(itemText, itemData, color)
#self.selectionList.selected = len(self.selectionList.items) - 1
def addItems(self, itemList, color = None):
if itemList != None:
for itemText, itemData in itemList:
self.selectionList.addItem(itemText, itemData, color)
#self.selectionList.selected = len(self.selectionList.items) - 1
def setSelectedItem(self, selection):
if selection != None:
if selection >= 0 and selection < len(self.selectionList.items):
self.selectionList.selected = selection
def getSelectedItem(self):
return self.selectionList.getSelectedItem()
def removeItem(self, text):
self.selectionList.removeItem(text)
def clearSelection(self):
self.selectionList.clearSelection()
def clear(self):
self.selectionList.clear()
def present(self, presenter, graphicsContext):
presenter.drawWidget(self.widgetLabel, self, graphicsContext)
for child in self.children:
child.present(presenter, graphicsContext, (self.posX, self.posY, self.windowRect[2], self.windowRect[3]))
def hideMe(self, interval):
if self.selectHandler:
self.selectHandler(self.item)
self.selectionList.setShow(0)
return 1
def resize(self, width, height):
Base.resize(self, width, height)
self.positionSelectionList()
def positionSelectionList(self):
font = getTheme().getProperty("DEFAULT FONT")
self.selectionList.resize(self.width, self.numVisible * font.getTextSize("x")[1])
self.selectionList.moveto(self.posX, self.posY + self.height)
def handleEvent(self, event):
if not self.show:
return
if self.selectionList.handleEvent(event):
return 1
if self.eventMap.has_key(event.type):
if self.eventMap[event.type](event):
return 1
return 0
def _pyui2MouseDown(self, event):
if not self.hit(event.pos):
if self.selectionList.show:
self.selectionList.setShow(0)
return 0
adjEvtPos = self.convertToWindowCoords(event.pos)
x = adjEvtPos[0] - self.posX
y = adjEvtPos[1] - self.posY
if x > self.width - self.rect[3] and x < self.width:
if self.selectionList.show == 0:
self.positionSelectionList()
self.selectionList.setShow(1)
else:
self.selectionList.setShow(0)
return 1
def _pyui2SelectedEvent(self, item):
self.item = item
getDesktop().addCallback(self.hideMe, 0.33)
return 1
