draggable_container 0.1.4

A Draggable Widget Container. Each children is Draggable, Deletable and Fixable.

可以拖动子部件的容器部件

A Draggable Widget Container

可拖动子部件，可删除子部件，可以固定子部件位置

Each children is draggable, deletable, fixable.

截图 / Screenshots

模式 / Mode

• 正常模式 / Normal Mode:

  • 不拦截子部件的手势事件
  • Do not intercept the GestureDetector events of the child widget
  • 不能拖动和删除子部件
  • Can't drag and delete the children widget

• 编辑模式 / Draggable mode:

  • 长按子部件进入编辑模式
  • Long press the children widget to enter the draggable mode
  • 进入编辑模式后，不再需要长按来拖动子部件，直接拖动就可以了
  • In the draggable mode, do not need to long press to drag the children widget, just drag it.
  • 在可删除子部件上显示删除按钮
  • Show the delete button on the deletable child widget
  • 拦截可拖动可删除的子部件的手势事件
  • Intercept the GestureDetector events of the draggable and deletable child widget
  • 可以拖动和删除子部件
  • Can drag and delete the children widget
  • 返回键 退出编辑模式
  • Press the Back key to exit the draggable mode.

• 事件 / Events

  • onChanged(List<T extends DraggableItem> items)
    • 当子项目改变时触发(拖动过后，删除后)
    • Trigger when the items changed(dragged, deleted)
  • onDraggableModeChanged(bool mode)
    • mode为true则进入了编辑模式，为false则退出了编辑模式.
    • When mode is true then in the draggable mode. If false it mean exited the draggable mode.
  • Future<bool> onBeforeDelete(int index, DraggableItem item)
    • 删除item的确认事件，返回true删除，返回false不删除
    • The event for confirm to delete a item, if return true then delete, if false then no action.