/* 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('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;

    // Anchor list
    html = getAnchorListHTML('anchorlist','href');
    if (html == "")
        document.getElementById("anchorlistrow").style.display = 'none';
    else
        document.getElementById("anchorlistcontainer").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) {
        var prospect = inst.dom.create("p", null, inst.selection.getContent());
        if (prospect.childNodes.length === 1) {
            elm = prospect.firstChild;
        }
    }

    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');
        var linkTarget = inst.dom.getAttrib(elm, 'target') ? inst.dom.getAttrib(elm, 'target') : "_self";

        // 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', linkTarget);
        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', linkTarget, 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 ed = tinyMCEPopup.editor, nodes = ed.dom.select('a'), name, i, len, html = "";

    for (i=0, len=nodes.length; i<len; i++) {
        if ((name = ed.dom.getAttrib(nodes[i], "name")) != "")
            html += '<option value="#' + name + '">' + name + '</option>';

        if ((name = nodes[i].id) != "" && !nodes[i].href)
            html += '<option value="#' + name + '">' + name + '</option>';
    }

    if (html == "")
        return "";

    html = '<select id="' + id + '" name="' + id + '" class="mceAnchorList"'
        + ' onchange="this.form.' + target + '.value=this.options[this.selectedIndex].value"'
        + '>'
        + '<option value="">---</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" 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 + '" 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);
