/* 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 formObj = document.forms[0];

	formObj.classes.value = getSelectValue(formObj, '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');

	window.focus();

}

function checkPrefix(n) {

	if (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(''', '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 = new Array();

		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 new Array();

	// Cleanup the options

	opts = opts.toLowerCase();

	opts = opts.replace(/;/g, ",");

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

	var optionChunks = opts.split(',');

	var options = new Array();

	for (var i=0; i<optionChunks.length; i++) {

		var parts = optionChunks[i].split('=');

		if (parts.length == 2)

			options[parts[0]] = parts[1];

	}

	return options;

}

function buildOnClick() {

	var formObj = document.forms[0];

	if (!formObj.ispopup.checked) {

		formObj.onclick.value = "";

		return;

	}

	var onclick = "window.open('";

	var url = formObj.popupurl.value;

	onclick += url + "','";

	onclick += formObj.popupname.value + "','";

	if (formObj.popuplocation.checked)

		onclick += "location=yes,";

	if (formObj.popupscrollbars.checked)

		onclick += "scrollbars=yes,";

	if (formObj.popupmenubar.checked)

		onclick += "menubar=yes,";

	if (formObj.popupresizable.checked)

		onclick += "resizable=yes,";

	if (formObj.popuptoolbar.checked)

		onclick += "toolbar=yes,";

	if (formObj.popupstatus.checked)

		onclick += "status=yes,";

	if (formObj.popupdependent.checked)

		onclick += "dependent=yes,";

	if (formObj.popupwidth.value != "")

		onclick += "width=" + formObj.popupwidth.value + ",";

	if (formObj.popupheight.value != "")

		onclick += "height=" + formObj.popupheight.value + ",";

	if (formObj.popupleft.value != "") {

		if (formObj.popupleft.value != "c")

			onclick += "left=" + formObj.popupleft.value + ",";

		else

			onclick += "left='+(screen.availWidth/2-" + (formObj.popupwidth.value/2) + ")+',";

	}

	if (formObj.popuptop.value != "") {

		if (formObj.popuptop.value != "c")

			onclick += "top=" + formObj.popuptop.value + ",";

		else

			onclick += "top='+(screen.availHeight/2-" + (formObj.popupheight.value/2) + ")+',";

	}

	if (onclick.charAt(onclick.length-1) == ',')

		onclick = onclick.substring(0, onclick.length-1);

	onclick += "');";

	if (formObj.popupreturn.checked)

		onclick += "return false;";

	// tinyMCE.debug(onclick);

	formObj.onclick.value = onclick;

	if (formObj.href.value == "")

		formObj.href.value = url;

}

function setAttrib(elm, attrib, value) {

	var formObj = document.forms[0];

	var valueElm = formObj.elements[attrib.toLowerCase()];

	if (typeof(value) == "undefined" || value == null) {

		value = "";

		if (valueElm)

			value = valueElm.value;

	}

	if (value != "") {

		elm.setAttribute(attrib.toLowerCase(), value);

		if (attrib == "style")

			attrib = "style.cssText";

		if (attrib.substring(0, 2) == 'on')

			value = 'return true;' + value;

		if (attrib == "class")

			attrib = "className";

		eval('elm.' + attrib + "=value;");

	} else

		elm.removeAttribute(attrib);

}

function getAnchorListHTML(id, target) {

	var inst = tinyMCEPopup.editor;

	var nodes = inst.dom.select('a.mceItemAnchor,img.mceItemAnchor'), name, i;

	var html = "";

	html += '<select id="' + id + '" name="' + id + '" class="mceAnchorList" o2nfocus="tinyMCE.addSelectAccessibility(event, this, window);" onchange="this.form.' + target + '.value=';

	html += 'this.options[this.selectedIndex].value;">';

	html += '<option value="">---</option>';

	for (i=0; i<nodes.length; i++) {

		if ((name = inst.dom.getAttrib(nodes[i], "name")) != "")

			html += '<option value="#' + name + '">' + name + '</option>';

	}

	html += '</select>';

	return html;

}

function insertAction() {

	var inst = tinyMCEPopup.editor;

	var elm, elementArray, i;

	elm = inst.selection.getNode();

	checkPrefix(document.forms[0].href);

	elm = inst.dom.getParent(elm, "A");

	tinyMCEPopup.execCommand("mceBeginUndoLevel");

	// Create new anchor elements

	if (elm == null) {

		tinyMCEPopup.execCommand("CreateLink", false, "#mce_temp_url#");

		elementArray = tinymce.grep(inst.dom.select("a"), function(n) {return inst.dom.getAttrib(n, 'href') == '#mce_temp_url#';});

		for (i=0; i<elementArray.length; i++) {

			elm = elementArray[i];

			// Move cursor to end

			try {

				tinyMCEPopup.editor.selection.collapse(false);

			} catch (ex) {

				// Ignore

			}

			// Move cursor behind the new anchor

			// Don't remember why this was needed so it's now removed