/* Functions for the advlink plugin popup */

tinyMCEPopup.requireLangPack();

var templates = {
	"window.open" : "window.open('${url}','${target}','${options}')"
};

function preinit() {
	var url;

	if (url = tinyMCEPopup.getParam("external_link_list_url"))
		document.write('<script language="javascript" type="text/javascript" src="' + tinyMCEPopup.editor.documentBaseURI.toAbsolute(url) + '"></script>');
}

function changeClass() {
	var f = document.forms[0];

	f.classes.value = getSelectValue(f, 'classlist');
}

function init() {
	tinyMCEPopup.resizeToInnerSize();

	var formObj = document.forms[0];
	var inst = tinyMCEPopup.editor;
	var elm = inst.selection.getNode();
	var action = "insert";
	var html;

	document.getElementById('hrefbrowsercontainer').innerHTML = getBrowserHTML('hrefbrowser','href','file','advlink');
	document.getElementById('popupurlbrowsercontainer').innerHTML = getBrowserHTML('popupurlbrowser','popupurl','file','advlink');
	document.getElementById('linklisthrefcontainer').innerHTML = getLinkListHTML('linklisthref','href');
	document.getElementById('anchorlistcontainer').innerHTML = getAnchorListHTML('anchorlist','href');
	document.getElementById('targetlistcontainer').innerHTML = getTargetListHTML('targetlist','target');

	// Link list
	html = getLinkListHTML('linklisthref','href');
	if (html == "")
		document.getElementById("linklisthrefrow").style.display = 'none';
	else
		document.getElementById("linklisthrefcontainer").innerHTML = html;

	// Resize some elements
	if (isVisible('hrefbrowser'))
		document.getElementById('href').style.width = '260px';

	if (isVisible('popupurlbrowser'))
		document.getElementById('popupurl').style.width = '180px';

	elm = inst.dom.getParent(elm, "A");
	if (elm != null && elm.nodeName == "A")
		action = "update";

	formObj.insert.value = tinyMCEPopup.getLang(action, 'Insert', true); 

	setPopupControlsDisabled(true);

	if (action == "update") {
		var href = inst.dom.getAttrib(elm, 'href');
		var onclick = inst.dom.getAttrib(elm, 'onclick');

		// Setup form data
		setFormValue('href', href);
		setFormValue('title', inst.dom.getAttrib(elm, 'title'));
		setFormValue('id', inst.dom.getAttrib(elm, 'id'));
		setFormValue('style', inst.dom.getAttrib(elm, "style"));
		setFormValue('rel', inst.dom.getAttrib(elm, 'rel'));
		setFormValue('rev', inst.dom.getAttrib(elm, 'rev'));
		setFormValue('charset', inst.dom.getAttrib(elm, 'charset'));
		setFormValue('hreflang', inst.dom.getAttrib(elm, 'hreflang'));
		setFormValue('dir', inst.dom.getAttrib(elm, 'dir'));
		setFormValue('lang', inst.dom.getAttrib(elm, 'lang'));
		setFormValue('tabindex', inst.dom.getAttrib(elm, 'tabindex', typeof(elm.tabindex) != "undefined" ? elm.tabindex : ""));
		setFormValue('accesskey', inst.dom.getAttrib(elm, 'accesskey', typeof(elm.accesskey) != "undefined" ? elm.accesskey : ""));
		setFormValue('type', inst.dom.getAttrib(elm, 'type'));
		setFormValue('onfocus', inst.dom.getAttrib(elm, 'onfocus'));
		setFormValue('onblur', inst.dom.getAttrib(elm, 'onblur'));
		setFormValue('onclick', onclick);
		setFormValue('ondblclick', inst.dom.getAttrib(elm, 'ondblclick'));
		setFormValue('onmousedown', inst.dom.getAttrib(elm, 'onmousedown'));
		setFormValue('onmouseup', inst.dom.getAttrib(elm, 'onmouseup'));
		setFormValue('onmouseover', inst.dom.getAttrib(elm, 'onmouseover'));
		setFormValue('onmousemove', inst.dom.getAttrib(elm, 'onmousemove'));
		setFormValue('onmouseout', inst.dom.getAttrib(elm, 'onmouseout'));
		setFormValue('onkeypress', inst.dom.getAttrib(elm, 'onkeypress'));
		setFormValue('onkeydown', inst.dom.getAttrib(elm, 'onkeydown'));
		setFormValue('onkeyup', inst.dom.getAttrib(elm, 'onkeyup'));
		setFormValue('target', inst.dom.getAttrib(elm, 'target'));
		setFormValue('classes', inst.dom.getAttrib(elm, 'class'));

		// Parse onclick data
		if (onclick != null && onclick.indexOf('window.open') != -1)
			parseWindowOpen(onclick);
		else
			parseFunction(onclick);

		// Select by the values
		selectByValue(formObj, 'dir', inst.dom.getAttrib(elm, 'dir'));
		selectByValue(formObj, 'rel', inst.dom.getAttrib(elm, 'rel'));
		selectByValue(formObj, 'rev', inst.dom.getAttrib(elm, 'rev'));
		selectByValue(formObj, 'linklisthref', href);

		if (href.charAt(0) == '#')
			selectByValue(formObj, 'anchorlist', href);

		addClassesToList('classlist', 'advlink_styles');

		selectByValue(formObj, 'classlist', inst.dom.getAttrib(elm, 'class'), true);
		selectByValue(formObj, 'targetlist', inst.dom.getAttrib(elm, 'target'), true);
	} else
		addClassesToList('classlist', 'advlink_styles');
}

function checkPrefix(n) {
	if (n.value && Validator.isEmail(n) && !/^\s*mailto:/i.test(n.value) && confirm(tinyMCEPopup.getLang('advlink_dlg.is_email')))
		n.value = 'mailto:' + n.value;

	if (/^\s*www./i.test(n.value) && confirm(tinyMCEPopup.getLang('advlink_dlg.is_external')))
		n.value = 'http://' + n.value;
}

function setFormValue(name, value) {
	document.forms[0].elements[name].value = value;
}

function parseWindowOpen(onclick) {
	var formObj = document.forms[0];

	// Preprocess center code
	if (onclick.indexOf('return false;') != -1) {
		formObj.popupreturn.checked = true;
		onclick = onclick.replace('return false;', '');
	} else
		formObj.popupreturn.checked = false;

	var onClickData = parseLink(onclick);

	if (onClickData != null) {
		formObj.ispopup.checked = true;
		setPopupControlsDisabled(false);

		var onClickWindowOptions = parseOptions(onClickData['options']);
		var url = onClickData['url'];

		formObj.popupname.value = onClickData['target'];
		formObj.popupurl.value = url;
		formObj.popupwidth.value = getOption(onClickWindowOptions, 'width');
		formObj.popupheight.value = getOption(onClickWindowOptions, 'height');

		formObj.popupleft.value = getOption(onClickWindowOptions, 'left');
		formObj.popuptop.value = getOption(onClickWindowOptions, 'top');

		if (formObj.popupleft.value.indexOf('screen') != -1)
			formObj.popupleft.value = "c";

		if (formObj.popuptop.value.indexOf('screen') != -1)
			formObj.popuptop.value = "c";

		formObj.popuplocation.checked = getOption(onClickWindowOptions, 'location') == "yes";
		formObj.popupscrollbars.checked = getOption(onClickWindowOptions, 'scrollbars') == "yes";
		formObj.popupmenubar.checked = getOption(onClickWindowOptions, 'menubar') == "yes";
		formObj.popupresizable.checked = getOption(onClickWindowOptions, 'resizable') == "yes";
		formObj.popuptoolbar.checked = getOption(onClickWindowOptions, 'toolbar') == "yes";
		formObj.popupstatus.checked = getOption(onClickWindowOptions, 'status') == "yes";
		formObj.popupdependent.checked = getOption(onClickWindowOptions, 'dependent') == "yes";

		buildOnClick();
	}
}

function parseFunction(onclick) {
	var formObj = document.forms[0];
	var onClickData = parseLink(onclick);

	// TODO: Add stuff here
}

function getOption(opts, name) {
	return typeof(opts[name]) == "undefined" ? "" : opts[name];
}

function setPopupControlsDisabled(state) {
	var formObj = document.forms[0];

	formObj.popupname.disabled = state;
	formObj.popupurl.disabled = state;
	formObj.popupwidth.disabled = state;
	formObj.popupheight.disabled = state;
	formObj.popupleft.disabled = state;
	formObj.popuptop.disabled = state;
	formObj.popuplocation.disabled = state;
	formObj.popupscrollbars.disabled = state;
	formObj.popupmenubar.disabled = state;
	formObj.popupresizable.disabled = state;
	formObj.popuptoolbar.disabled = state;
	formObj.popupstatus.disabled = state;
	formObj.popupreturn.disabled = state;
	formObj.popupdependent.disabled = state;

	setBrowserDisabled('popupurlbrowser', state);
}

function parseLink(link) {
	link = link.replace(new RegExp('&#39;', 'g'), "'");

	var fnName = link.replace(new RegExp("\\s*([A-Za-z0-9\.]*)\\s*\\(.*", "gi"), "$1");

	// Is function name a template function
	var template = templates[fnName];
	if (template) {
		// Build regexp
		var variableNames = template.match(new RegExp("'?\\$\\{[A-Za-z0-9\.]*\\}'?", "gi"));
		var regExp = "\\s*[A-Za-z0-9\.]*\\s*\\(";
		var replaceStr = "";
		for (var i=0; i<variableNames.length; i++) {
			// Is string value
			if (variableNames[i].indexOf("'${") != -1)
				regExp += "'(.*)'";
			else // Number value
				regExp += "([0-9]*)";

			replaceStr += "$" + (i+1);

			// Cleanup variable name
			variableNames[i] = variableNames[i].replace(new RegExp("[^A-Za-z0-9]", "gi"), "");

			if (i != variableNames.length-1) {
				regExp += "\\s*,\\s*";
				replaceStr += "<delim>";
			} else
				regExp += ".*";
		}

		regExp += "\\);?";

		// Build variable array
		var variables = [];
		variables["_function"] = fnName;
		var variableValues = link.replace(new RegExp(regExp, "gi"), replaceStr).split('<delim>');
		for (var i=0; i<variableNames.length; i++)
			variables[variableNames[i]] = variableValues[i];

		return variables;
	}

	return null;
}

function parseOptions(opts) {
	if (opts == null || opts == "")
		return [];

	// Cleanup the options
	opts = opts.toLowerCase();
	opts = opts.replace(/;/g, ",");
	opts = opts.replace(/[^0-9a-z=,]/g, "");

	var optionChunks = opts.split(',');
	var options = [];

	for (var i=0; i<optionChunks.length; i++) {
		var parts = optionChunks[i].split('=');