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FCKEditor与SyntaxHighlighter整合实现代码高亮显示

2009-06-19 22:54 525 查看
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近日做个小网站，用到了代码高亮嵌入显示功能，想将FCKeditor和dp.SyntaxHighlighter结合使用。因此上网查了许多资料，没有说怎么做的，都是自己改好一个包上传。我研究了一个这些整合好的例子，粗略说一说，对以后开发其它FCKeditor插件也有好处。

第一步：在FCKeditor的路径中找到“editor/plugins/”，在其中创建“highlighter”文件夹。

第二步：将“dp.SyntaxHighlighter/Scripts”文件夹复制到此文件夹中，所有的js文件和一个flash文件也要一通复制过来。

第三步：在“highlighter/”创建“lang”文件夹，在其中新建“zh-cn.js”文件，内容如下——

FCKLang.CodeBtn                     = '插入高亮代码' ;
FCKLang.CodeArea                    = '代码';
FCKLang.CodeDlgTitle                = '插入高亮代码' ;
FCKLang.CodeDlgName                 = '语言' ;
FCKLang.CodeErrNoName               = '请输入代码' ;


第四步：在“highlighter/”创建“fckplugin.js”，内容如下——此文件内容也可以参考其他plugins目录下的同名文件。

// Register the related commands.
//FCKCommands.RegisterCommand( 'HighLighter', new FCKDialogCommand("HighLighter",FCKLang.DlgHighLighterTitle,FCKConfig.Plugins.Items['highlighter'].Path + 'highlighter.html', 540, 540 ) ) ;
FCKCommands.RegisterCommand( 'HighLighter', new FCKDialogCommand("HighLighter",FCKLang['CodeDlgTitle'],FCKConfig.PluginsPath + 'highlighter/highlighter.html', 540, 500 ) ) ;
// Create the "highlighter" toolbar button.
var oHighLighterItem		= new FCKToolbarButton( 'HighLighter', FCKLang['CodeBtn'] ) ;
oHighLighterItem.IconPath	= FCKConfig.PluginsPath + 'highlighter/highlighter.gif' ;
FCKToolbarItems.RegisterItem( 'HighLighter', oHighLighterItem );// 'HighLighter' is the name used in the Toolbar config.
var FCKHighLighter = new Object();
var CSS_PATH 	  = FCKConfig.PluginsPath + "highlighter/dp.SyntaxHighlighter/Styles/";
var pool = {"firstCss" : true };
FCKHighLighter.Add = function( value ){
	var oDiv  = FCK.CreateElement("div");
 	oDiv._FCKhighLighter = "hlDiv" + Math.random()  ; 
	oDiv.className="dp-highlighter";
	oDiv.innerHTML = value;
	if(pool.firstCss) {
		pool.firstCss = false;
		//oDiv.innerHTML += "<link href="" + CSS_PATH + "SyntaxHighlighter.css" mce_href="" + CSS_PATH + "SyntaxHighlighter.css"" + "type='text/css' rel='stylesheet'></link>";
	}
	//  alert(oDiv.innerHTML);
}
FCKHighLighter.OnDoubleClick = function( div ){
//	if(div._FCKhighLighter = "hlDiv") FCKCommands.GetCommand( 'HighLighter' ).Execute() ;
	if(div.className == "dp-highlighter" && div.tagName=="DIV") FCKCommands.GetCommand( 'HighLighter' ).Execute() ;
}
FCK.RegisterDoubleClickHandler( FCKHighLighter.OnDoubleClick, 'DIV' ) ;


第五步：找一个21×21px的gif图片作为按钮，取名为“highlighter.gif”。

第六步：关键步骤，创建插入代码对话框，取名为“highlighter.html”。内容如下——

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="pragma" content="no-cache" />
<meta http-equiv="Cache-Control" content="no-cache, must-revalidate" />
<meta http-equiv="expires" content="Wed, 26 Feb 1997 08:21:57 GMT" />
<meta http-equiv="expires" content="0" />
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shCore.js" mce_src="dp.SyntaxHighlighter/Scripts/shCore.js" ></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushCSharp.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushCSharp.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushPhp.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushPhp.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushJScript.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushJScript.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushJava.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushJava.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushVb.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushVb.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushSql.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushSql.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushXml.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushXml.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushDelphi.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushDelphi.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushPython.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushPython.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushRuby.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushRuby.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushCss.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushCss.js"></mce:script>
<mce:script type="text/javascript" src="dp.SyntaxHighlighter/Scripts/shBrushCpp.js" mce_src="dp.SyntaxHighlighter/Scripts/shBrushCpp.js"></mce:script>
<title>插入代码</title>
<mce:script language="javascript" type="text/javascript"><!--
var oEditor = window.parent.InnerDialogLoaded() ;
var FCKLang = oEditor.FCKLang ;
var FCKHighLighter = oEditor.FCKHighLighter ;
window.onload = function () {
	oEditor.FCKLanguageManager.TranslatePage( document ) ;
	window.parent.SetOkButton( true ) ;	
	LoadSelected();
    document.getElementById("code").focus();
}
function Ok()
{
	if(document.getElementById("code").value.length==0)
	{
		alert(FCKLang['CodeErrNoName']);
		return false;
	}	
//	dp.SyntaxHighlighter.ClipboardSwf = 'dp.SyntaxHighlighter/Scripts/clipboard.swf';
	var result=dp.SyntaxHighlighter.HighlightAll('code',0,1,0,1,0);
	
	var str = "";
	for(key in result)
	{
		str += result[key][0];
	}
	FCKHighLighter.Add( str ) ;
	return true ;
}
var eSelected = oEditor.FCKSelection.GetSelectedElement() ;
function LoadSelected()
{
	if ( !eSelected ){ return ;}
	if ( eSelected.tagName == 'DIV' && eSelected.className=="dp-highlighter" )
	{
	    var ol = eSelected.document.getElementsByTagName("ol");     //火狐下提示这里出错
		var codeClass = ol[0].className.substring(3,ol[0].className.length);
	    var ddlv='';
	    switch(codeClass){
	        case "cpp":
	            document.getElementById("code").className="cpp";
	            ddlv="cpp";
	            break;
	        case "c": //c#,javascript php 不明白为什么这三种语言的CSS名都是dp-c,所以区分不了
	            document.getElementById("code").className="csharp";
	            ddlv="c#";
	            break;
	         case "css":
	            document.getElementById("code").className="css";
	            ddlv="css";
	            break;
	         case "delphi":
	            document.getElementById("code").className="delphi";
	            ddlv="delphi";
	            break;
	         case "j":
	            document.getElementById("code").className="java";
	            ddlv="java";
	            break;
	         case "py":
	            document.getElementById("code").className="python";
	            ddlv="python";
	            break;
	         case "rb":
	            document.getElementById("code").className="ruby";
	            ddlv="ruby";
	            break;
	          case "sql":
	            document.getElementById("code").className="sql";
	            ddlv="sql";
	            break;
	          case "vb":
	            document.getElementById("code").className="vb";
	            ddlv="vb";
	            break;
	           case "xml":
	            document.getElementById("code").className="xml";
	            ddlv="xml";
	            break;
	    }
		var codeTypeNum = document.getElementById("codeType").options.length;
		for(var i=0;i<codeTypeNum;i++)
		{
			if(document.getElementById("codeType").options[i].value == ddlv)
			{
				document.getElementById("codeType").options[i].selected = true;
			}
		}
//		var codeContent = eSelected.nextSibling.innerHTML;
	//	document.getElementById('code').value = codeContent.replace("<" , "<");
	//document.getElementById('code').value = codeContent.replace(/<[^>]+>/g, "");
	
	    if(navigator.userAgent.indexOf("MSIE")>0){
	        document.getElementById('code').value = ol[0].innerText;
	    }else{
	        document.getElementById('code').value = ol[0].textContent;
	    }
	}
	else eSelected == null ;
}
// --></mce:script>
</head>
<body>
    <table style="width:100%;">
        <tr>
            <td style="width:10%; line-height:25px;"><span fckLang="CodeDlgName"></span></td>
            <td>
                <select id="codeType" style="width:250px;" onchange="document.getElementById('code').className =this.value;">
	                <option value="csharp">C#</option>
	                <option value="php">PHP</option>
	                <option value="javascript">Javascript</option>
	                <option value="xml">Xml</option>
	                <option value="xml">Html</option>
	                <option value="css">Css</option>
	                <option value="cpp">C/C++</option>
	                <option value="delphi">Delphi</option>
	                <option value="java">Java</option>
	                <option value="python">Python</option>
	                <option value="ruby">Ruby</option>
	                <option value="sql">Sql</option>
	                <option value="vb">VB</option>
	            </select>	
            </td>
        </tr>
        <tr>
            <td><span fckLang="CodeArea"></span></td>
            <td>
                <textarea  rows="25" cols="80" class="csharp"   name="code" id="code">






最终目录结构如下：



第七步：找到“fckconfig.js”文件。（这是fckeditor的核心配置文件，应该能找到的吧……）找“FCKConfig.ToolbarSets”这个key，然后在里面加入“'HighLighter'”。例如：

FCKConfig.ToolbarSets["Basic"] = [
	['Style','FontFormat','FontName','FontSize','-','Bold','Italic','-','TextColor','BGColor','-','HighLighter']




第八步：还是在“fckconfig.js”中，找到“FCKConfig.Plugins”这个key，添加如下代码：

FCKConfig.Plugins.Add( 'highlighter','zh-cn') ;




好了，以FCKEditor插件形式出现的SyntaxHighlighter代码高亮显示就完成了。

最终效果如图：

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