/* 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('=');

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()];
var dom = tinyMCEPopup.editor.dom;

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

if (valueElm)
value = valueElm.value;
}

// Clean up the style
if (attrib == 'style')
value = dom.serializeStyle(dom.parseStyle(value), 'a');

dom.setAttrib(elm, attrib, value);
}

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");

// Remove element if there is no href
if (!document.forms[0].href.value) {
i = inst.selection.getBookmark();
inst.dom.remove(elm, 1);
inst.selection.moveToBookmark(i);
tinyMCEPopup.execCommand("mceEndUndoLevel");
tinyMCEPopup.close();
return;
}

// Create new anchor elements
if (elm == null) {
inst.getDoc().execCommand("unlink", false, null);
tinyMCEPopup.execCommand("mceInsertLink", false, "#mce_temp_url#", {skip_undo : 1});

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++)
setAllAttribs(elm = elementArray[i]);
} else
setAllAttribs(elm);

// Don't move caret if selection was image
if (elm.childNodes.length != 1 || elm.firstChild.nodeName != 'IMG') {
inst.focus();
inst.selection.select(elm);
inst.selection.collapse(0);
tinyMCEPopup.storeSelection();
}

tinyMCEPopup.execCommand("mceEndUndoLevel");
tinyMCEPopup.close();
}

function setAllAttribs(elm) {
var formObj = document.forms[0];
var href = formObj.href.value.replace(/ /g, '%20');
var target = getSelectValue(formObj, 'targetlist');

setAttrib(elm, 'href', href);
setAttrib(elm, 'title');
setAttrib(elm, 'target', target == '_self' ? '' : target);
setAttrib(elm, 'id');
setAttrib(elm, 'style');
setAttrib(elm, 'class', getSelectValue(formObj, 'classlist'));
setAttrib(elm, 'rel');
setAttrib(elm, 'rev');
setAttrib(elm, 'charset');
setAttrib(elm, 'hreflang');
setAttrib(elm, 'dir');
setAttrib(elm, 'lang');
setAttrib(elm, 'tabindex');
setAttrib(elm, 'accesskey');
setAttrib(elm, 'type');
setAttrib(elm, 'onfocus');
setAttrib(elm, 'onblur');
setAttrib(elm, 'onclick');
setAttrib(elm, 'ondblclick');
setAttrib(elm, 'onmousedown');
setAttrib(elm, 'onmouseup');
setAttrib(elm, 'onmouseover');
setAttrib(elm, 'onmousemove');
setAttrib(elm, 'onmouseout');
setAttrib(elm, 'onkeypress');
setAttrib(elm, 'onkeydown');
setAttrib(elm, 'onkeyup');

// Refresh in old MSIE
if (tinyMCE.isMSIE5)
elm.outerHTML = elm.outerHTML;
}

function getSelectValue(form_obj, field_name) {
var elm = form_obj.elements[field_name];

if (!elm || elm.options == null || elm.selectedIndex == -1)
return "";

return elm.options[elm.selectedIndex].value;
}

function getLinkListHTML(elm_id, target_form_element, onchange_func) {
if (typeof(tinyMCELinkList) == "undefined" || tinyMCELinkList.length == 0)
return "";

var html = "";

html += '<select id="' + elm_id + '" name="' + elm_id + '"';
html += ' class="mceLinkList" onfoc2us="tinyMCE.addSelectAccessibility(event, this, window);" onchange="this.form.' + target_form_element + '.value=';
html += 'this.options[this.selectedIndex].value;';

if (typeof(onchange_func) != "undefined")
html += onchange_func + '(\'' + target_form_element + '\',this.options[this.selectedIndex].text,this.options[this.selectedIndex].value);';

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

for (var i=0; i<tinyMCELinkList.length; i++)
html += '<option value="' + tinyMCELinkList[i][1] + '">' + tinyMCELinkList[i][0] + '</option>';

html += '</select>';

return html;

// tinyMCE.debug('-- image list start --', html, '-- image list end --');
}

function getTargetListHTML(elm_id, target_form_element) {
var targets = tinyMCEPopup.getParam('theme_advanced_link_targets', '').split(';');
var html = '';

html += '<select id="' + elm_id + '" name="' + elm_id + '" onf2ocus="tinyMCE.addSelectAccessibility(event, this, window);" onchange="this.form.' + target_form_element + '.value=';
html += 'this.options[this.selectedIndex].value;">';
html += '<option value="_self">' + tinyMCEPopup.getLang('advlink_dlg.target_same') + '</option>';
html += '<option value="_blank">' + tinyMCEPopup.getLang('advlink_dlg.target_blank') + ' (_blank)</option>';
html += '<option value="_parent">' + tinyMCEPopup.getLang('advlink_dlg.target_parent') + ' (_parent)</option>';
html += '<option value="_top">' + tinyMCEPopup.getLang('advlink_dlg.target_top') + ' (_top)</option>';

for (var i=0; i<targets.length; i++) {
var key, value;

if (targets[i] == "")
continue;

key = targets[i].split('=')[0];
value = targets[i].split('=')[1];

html += '<option value="' + key + '">' + value + ' (' + key + ')</option>';
}

html += '</select>';

return html;
}

// While loading
preinit();
tinyMCEPopup.onInit.add(init);