DropDown.py 文件源码

def __init__(self,  frame=(0,0,150,32),
                                        buttonSize = (32,32),
                                        data = "this is a test".split(),
                                        font = None,
                                        initialItem = 0,
                                        offset_eps = 0,
                                        action = None,
                                        fullSize = 300,
                                        name = 'dropdown'):
        self.frame = frame  
        self._position = [ self.frame[x] for x in (0,1)]
        self.smallSize = frame[3]
        self.bg_color = None    
        self.border_width = 0
        self.border_color = 'black'
        self.buttonSize = buttonSize    
        self._data = data           
        self.delegate = _DropDownDelegate(self)
        if action:
            if inspect.isfunction(action) and len(inspect.getargspec(action).args) == 2:
                self.action = action
            else:
                raise TypeError('single argument function') 
        self.tvFrame = (0,0, self.frame[2] - self.buttonSize[0], self.buttonSize[1])
        self.tv = ui.TableView(frame=self.tvFrame)
        self.tv.row_height = self.smallSize
        self.tv.name = 'tableview'
        self.tv.allows_selection = True
        self.tv.delegate = self.tv.data_source = self.delegate
        self.tv.border_color = 'black'
        self.tv.border_width = 1
        self.button = ui.Button(frame = (self.frame[2]-self.buttonSize[0], 0) + self.buttonSize)
        self.button.bg_color = 'white'
        self.button.name = 'button'
        self.button.action = self.onArrow
        self.button.border_width = 1
        self.button.border_color = 'black'
        self.button.image=ui.Image.named('ionicons-arrow-down-b-24')
        self.expanded = False
        self.add_subview(self.tv)
        self.tv.frame = self.tvFrame
        self.add_subview(self.button)
        self.fullSize = fullSize
        self.smallSize = self.frame[3]
        self.offset_eps = offset_eps
        self.name = name
        self._hidden = False