dropdown.py 文件源码

def open_finder(self,sender):
        # expand out a view/dialog from sender
        root=self.find_root()
        overlay=ui.Button(frame=(0,0)+tuple(root.frame)[2:],bg_color=(0,0,0,0.25),name='overlay')
        dialog=ui.View(frame=sender.frame,bg_color='white',name='dialog')
        self.tbl=ui.TableView()
        self.tbl.width=dialog.width
        self.tbl.height=dialog.height
        self.listsource=ui.ListDataSource(items=[])
        self.tbl.data_source=self.listsource
        self.tbl.delegate=self.listsource
        self.listsource.action=self.stop_populating
        self.tbl.flex='wh'
        dialog.add_subview(self.tbl)
        overlay.add_subview(dialog)
        overlay.action=self.stop_populating
        root.add_subview(overlay)
        self.dialog=dialog
        def ani():
            dialog.x,dialog.y=ui.convert_point((self.textfield.x,self.textfield.y+self.textfield.height),self,root)
            dialog.width=self.textfield.width
            dialog.height=min(400,root.height-ui.convert_point((0,dialog.y),self,root)[1])
        ui.delay(self.start_populating,0.16)
        ui.animate(ani,0.15)