/// <summary>
/// Add widget before the specified widget<br/>
/// If specified widget not found then add it to the front<br/>
/// 在指定模块前插入模块<br/>
/// 如果指定模块不存在则插入到开头<br/>
/// </summary>
/// <param name="widgets">Widgets</param>
/// <param name="beforePath">Add before widget that path equals it</param>
/// <param name="path">Widget path, must without extension</param>
/// <param name="args">Arguments</param>
public static void AddBefore(
this IList <TemplateWidget> widgets, string beforePath, string path, object args = null)
{
widgets.AddBefore(x => x.Path == beforePath, new TemplateWidget(path, args));
}
/// <summary>
/// 移动列到指定的列前面
/// </summary>
/// <param name="columns">列列表</param>
/// <param name="column">需要移动的列</param>
/// <param name="key">指定的列的识别键</param>
public static void MoveBefore(
this IList <AjaxTableColumn> columns, AjaxTableColumn column, string key)
{
columns.Remove(column);
columns.AddBefore(c => c.Key == key, column);
}
