drag_and_drop.py 文件源码

def tableview_cell_for_row(self, tv, section, row):
        if section == self._folder_section:
            item = self.items[row]
            node = item['node']
        else:
            item = self._files[row]
            node = None

        cell = ui.TableViewCell()

        cvb = cell.content_view.bounds

        x = 15 + cvb.x + item['level'] * 15

        if node and node.children_exists:
            image_view = ui.ImageView()
            image_view.frame = (x, 10, 24, 24)
            image_view.image = ui.Image.named(
                'iob:arrow_down_b_24' if node.path in self._expanded_node_paths else 'iob:arrow_right_b_24'
            )
            cell.content_view.add_subview(image_view)

        x += 24 + 8

        image_view = ui.ImageView()
        image_view.frame = (x, 10, 24, 24)
        image_view.image = ui.Image.named('iob:folder_24' if node else 'iob:document_24')
        cell.content_view.add_subview(image_view)

        x += 24 + 8

        title_label = ui.Label(flex='W')
        title_label.text = item['title']
        title_label.size_to_fit()
        title_label.frame = (
            x, cvb.y + (cvb.height - title_label.height) / 2.0,
            cvb.width - (x - cvb.x) - 8, title_label.height
        )
        cell.content_view.add_subview(title_label)

        separator = ui.View(flex='W')
        separator.background_color = (0, 0, 0, 0.05)
        x = title_label.frame.x - 12 - 8
        separator.frame = (
            x, cvb.y + cvb.height - 1,
            cvb.width - (x - cvb.x), 1
        )
        cell.content_view.add_subview(separator)

        cell_objc = ObjCInstance(cell)
        cell_objc.setSelectionStyle(0)

        return cell