fckplugin.js

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// Register the related command.
var FCKWiki = function(name) { 
    this.Name = name; 
}

//去左空格; 
function ltrim(s){ 
 return s.replace( /^\s*/, ""); 
} 
//去右空格; 
function rtrim(s){ 
 return s.replace( /\s*$/, ""); 
} 
//去左右空格; 
function trim(s){ 
 return rtrim(ltrim(s)); 
}

FCKSelection.GetSelectedHTML = function() {
	if( FCKBrowserInfo.IsIE) {
		var oRange = FCK.EditorDocument.selection.createRange() ;
		//if an object like a table is deleted, the call to GetType before getting again a range returns Control
		switch ( this.GetType() ) {
			case 'Control' :
			return oRange.item(0).outerHTML;

			case 'None' :
			return '' ;

			default :
			return oRange.htmlText ;
		}
	}
	if ( FCKBrowserInfo.IsGecko ) {
		var oSelection = FCK.EditorWindow.getSelection();
		//Gecko doesn't provide a function to get the innerHTML of a selection,
		//so we must clone the selection to a temporary element and check that innerHTML
		var e = FCK.EditorDocument.createElement( 'DIV' );
		for ( var i = 0 ; i < oSelection.rangeCount ; i++ ) {
			e.appendChild( oSelection.getRangeAt(i).cloneContents() );
		}
		return e.innerHTML;
	}
} 

FCKWiki.prototype.Execute = function() {
    // 解除链接 
	if(FCKSelection.HasAncestorNode('A')){
        FCK.ExecuteNamedCommand( 'Unlink' ) ;
        return;
    }

    // 得到当前选区内容 
	var html = FCKSelection.GetSelectedHTML();
    if ( !html ) {
		alert (FCKLang.MakeWikiSelection);
		return;
	}
    // 去除HTML标签 
    html = html.replace(/(<([^>]+)>)/ig,"");

    // 去除开头与结尾的空格并将多个空格合并 
    html = html.replace(/(&nbsp;)+/ig," ");
    html = html.replace(/\s+/g," ");
    html = trim(html);
    
    // 去除非法字符 
    html = html.replace(/&[a-z]{1,5};/ig,"");
    html = html.replace(/[^\s\w\-\_\u00ff-\uffff]/ig,"");
    
    // 输出Wiki链接 
	FCK.InsertHtml( '<a rel="wiki" class="wiki" href="#">' + html + '</a>' ) ;
}

// 管理按钮状态 
FCKWiki.prototype.GetState = function() { 
    return FCK_TRISTATE_OFF;
}

// 注册命令 
FCKCommands.RegisterCommand( 'wiki', new FCKWiki('wiki') );

// 添加工具条和菜单项 
var oWiki = new FCKToolbarButton( 'wiki', FCKLang.WikiTxt ) ;
oWiki.IconPath = FCKConfig.PluginsPath + 'wiki/wiki.gif' ;
FCKToolbarItems.RegisterItem( 'wiki', oWiki ) ;

FCK.ContextMenu.RegisterListener( {
	AddItems : function( menu, tag, tagName ) {
			menu.AddSeparator() ;
			menu.AddItem( 'wiki', FCKLang.WikiTxt, oWiki.IconPath ) ;
	}
}
);