public static void InvokeBeforePlugins(object sender, PluginEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
Control ctrl = sender as Control;
if (ctrl == null)
{
throw new ApplicationExceptionFormat("传的sender {0}不是服务器控件", new object[] { sender.ToString() });
}
Page absolutePage = ctrl.GetAbsolutePage();
IBasePage page2 = absolutePage as IBasePage;
if (page2 == null)
{
throw new ApplicationExceptionFormat("页面不是继承自BasePage", new object[0]);
}
IPagePlugin pluginInstance = page2.PluginInstance;
if (pluginInstance != null)
{
CommandHandler commandPluginHandler = GetCommandPluginHandler(ctrl);
if (commandPluginHandler != null)
{
commandPluginHandler.ExecuteBefore(pluginInstance, ctrl, e);
}
}
EventCallHelper.InvokeBefore(absolutePage, ctrl, new object[] { e.entityModel, e.RedirectURL, e.CurrentUserID });
}
private void InvokePluginList(IPagePlugin pluginInstance, List <CommandPluginHandler> plugin_handlers, Control sender, PluginEventArgs e)
{
if (plugin_handlers.Count > 0)
{
foreach (CommandPluginHandler handler in plugin_handlers)
{
handler.GetEventHandler(pluginInstance)(sender, e);
}
}
}
public PluginEventHandler GetEventHandler(IPagePlugin pluginInstance)
{
PagePluginHandler pageHandler = this.commandHandler.pageHandler;
if (pageHandler.pluginAttribute.Reusable)
{
IPagePlugin target = pageHandler.GetPluginInstance();
return(this.CreateEventHandler(target, this.methodInfo));
}
return(this.CreateEventHandler(pluginInstance, this.methodInfo));
}
public PluginType_Metadata(Type type)
{
this.FullName = type.FullName;
this.BaseType = type.BaseType;
this.Assembly = type.Assembly;
if (typeof(IPagePlugin).IsAssignableFrom(type))
{
IPagePlugin pagePlugin = (IPagePlugin)Activator.CreateInstance(type);
this.Description = pagePlugin.Description;
}
}
public static PageInfo GetPageInfo(IPagePlugin pagePlugin)
{
return(new PageInfo()
{
IsPlugin = true,
CustomPageTypeName = pagePlugin.GetType().AssemblyQualifiedName,
Items = pagePlugin.GetItems(),
SubTitle = pagePlugin.SubTitle,
Title = pagePlugin.Title,
Privoder = pagePlugin.Privoder,
Editable = false
});
}
public PagePluginHandler(PagePluginAttribute plugin_attribute, Type plugin_type)
{
if (plugin_attribute == null)
{
throw new ArgumentNullException("plugin_attribute");
}
if (plugin_type == null)
{
throw new ArgumentNullException("plugin_type");
}
this.pluginAttribute = plugin_attribute;
this.pluginType = plugin_type;
if (plugin_attribute.Reusable)
{
this._pluginInstance = this.NewPagePluginInstance();
}
this._commandHandlers = new Dictionary <string, CommandHandler>();
this.InitCommandPlugins();
}
public static IPagePlugin GetPlugin(Page page)
{
string pagePluginKey = GetPagePluginKey(page);
if (pluginHandlers.ContainsKey(pagePluginKey))
{
PagePluginHandler handler = pluginHandlers[pagePluginKey];
if (handler.pluginAttribute.Reusable)
{
return(handler.GetPluginInstance());
}
IPagePlugin plugin = Activator.CreateInstance(handler.pluginType) as IPagePlugin;
if (plugin == null)
{
throw new ApplicationExceptionFormat("创建页面{0}插件{1}的实例失败", new object[] { handler.pluginAttribute.PageName, handler.pluginType });
}
return(plugin);
}
return(null);
}
public void ExecuteBefore(IPagePlugin pluginInstance, Control sender, PluginEventArgs e)
{
this.InvokePluginList(pluginInstance, this.beforeActions, sender, e);
}
public void ExecuteAfter(IPagePlugin pluginInstance, Control sender, PluginEventArgs e)
{
this.InvokePluginList(pluginInstance, this.afterActions, sender, e);
}
