实现WebPart编辑功能
实现WebPart的编辑功能需要用到VS2005提供的EditorZone控件和EditorPart系列控件。EditorPart系列控件包括AppearanceEditorPart、BehaviorEditorPart、LayoutEditorPart、PropertyGridEditPart。
要实现WebPart的编辑功能需要几个条件:(1)用户处于共享页面范围(2)显示模式为编辑模式。
对于(1)来说,只要在Web.config文件中配置一下就OK了。
<allow users="Tom" verbs="enterSharedScope"/> 表示用户名"Tom" 被授权共享页面范围,否则切换成编辑模式会报错。
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对于(2),在页面中添加2个LinkButton,在cs文件中切换一下显示模式,也可以用DropDownList来实现。
EditorPart系列控件中的BehaviorEditorPart、PropertyGridEditPart需要特别说明一下。
BehaviorEditorPart控件看名字也知道大概能做什么了,它在默认情况下可能不会显示出来,实现这个控件需要2个步骤:一、配置Web.config文件,方法上面已经说了,二、以编程的方式将页从用户级别改为共享级别,可以通过使用ToggleScope方法实现。
PropertyGridEditPart:是对自定义属性的修改。
在EditorPart中实现折叠的功能
利用Css和JavaScript脚本来实现。初始情况下,让LEGEND的显示“+”号,并隐藏区块中的内容,通过Click“+”号改变Css。
示例代码如下:
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效果图:
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