/**
 * Plugin do SyntaxHighlighter'a rozpoznający użyte kolorowania i ładujący dynamicznie odpowiednie pliki Brush 
 */

var brushesToLoad = null;
var brushesLoaded = 0;

(function() {

var sh = SyntaxHighlighter;

var brushPath = '/plugins/VanillaMCE/plugins/syntaxhighlighter/scripts/';

var brushList = {
		'as3': 'shBrushAS3.js',
        'bash': 'shBrushBash.js',
        'coldfusion': 'shBrushColdFusion.js',
        'csharp': 'shBrushCSharp.js',
        'cpp': 'shBrushCpp.js',
        'css': 'shBrushCss.js',
        'delphi': 'shBrushDelphi.js',
        'diff': 'shBrushDiff.js',
        'erlang': 'shBrushErlang.js',
        'groovy': 'shBrushGroovy.js',
        'html': 'shBrushXml.js',
        'java': 'shBrushJava.js',
        'javaxf': 'shBrushJavaFX.js',
        'jscript': 'shBrushJScript.js',
        'perl': 'shBrushPerl.js',
        'php': 'shBrushPhp.js',
        'powershell': 'shBrushPowerShell.js',
        'python': 'shBrushPython.js',
        'ruby': 'shBrushRuby.js',
        'scala': 'shBrushScala.js',
        'sql': 'shBrushSql.js',
        'plain': 'shBrushPlain.js',
        'vb': 'shBrushVb.js',
        'xml': 'shBrushXml.js'
};

function toArray(source)
{
	var result = [];

	for (var i = 0, l = source.length; i < l; i++)
		result.push(source[i]);

	return result;
};

function getSyntaxHighlighterScriptTags()
{
	var tags = document.getElementsByTagName('script'),
		result = []
		;

	for (var i = 0, l = tags.length; i < l; i++)
		if (tags[i].type == 'syntaxhighlighter')
			result.push(tags[i]);

	return result;
};

SyntaxHighlighter.autoload = function(globalParams, element)
{
	var elements = sh.findElements();
	brushesToLoad = elements.length;
	$.each(elements, function(i,element){
		var brushFile = brushPath + brushList[element.params.brush];
		var brush = [element.params.brush, brushFile];

		SyntaxHighlighter.autoloader(brush);
	});
};

sh.autoloader = function()
{
	var list = arguments,
		elements = sh.findElements(),
		brushes = {},
		scripts = {},
		i
		;

	function addBrush(aliases, url)
	{
		for (var i = 0; i < aliases.length; i++)
			brushes[aliases[i]] = url;
	};

	function getAliases(item)
	{
		return item.pop
			? item
			: item.split(/\s+/)
			;
	}

	// create table of aliases and script urls
	for (i = 0; i < list.length; i++)
	{
		var aliases = getAliases(list[i]),
			url = aliases.pop()
			;

		addBrush(aliases, url);
	}

	// dynamically add <script /> tags to the document body
	for (i = 0; i < elements.length; i++)
	{
		var url = brushes[elements[i].params.brush];

		if(url && scripts[url] === undefined)
		{
			if(elements[i].params['html-script'] === 'true')
			{
				if(scripts[brushes['xml']] === undefined) {
                                        scripts[url] = false;
                                        loadScript(brushPath + brushList['xml'], 'xml');
                                        brushesToLoad++;
				}
			}

			scripts[url] = false;
			loadScript(url, elements[i].params.brush);
		}
	}
	

	function loadScript(url, brushName)
	{
		var script = document.createElement('script'),
			done = false
			;

		script.src = url;
		script.type = 'text/javascript';
		script.language = 'javascript';
		script.onload = script.onreadystatechange = function()
		{
			if (!done && (!this.readyState || this.readyState == 'loaded' || this.readyState == 'complete'))
			{
				done = true;
				scripts[url] = true;
				brushesLoaded++;
				checkAll();

				script.onload = script.onreadystatechange = null;
				script.parentNode.removeChild(script);
			}
		};
		document.body.appendChild(script);
	};

	function checkAll()
	{
		for(var url in scripts)
			if (scripts[url] == false)
				return;

		$.each(sh.brushes, function(brush,brushFunc){
			brushFunc.brushName = brush.toLowerCase();
		});

		if (brushesLoaded == brushesToLoad) {
			sh.highlight();
		}			
	};
};

})();