tinyMCEPopup.requireLangPack();

var LinkDialog = {
    preInit : function() {
        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>');
    },

    init : function() {
        var f = document.forms[0], ed = tinyMCEPopup.editor;

        // Setup browse button
        document.getElementById('hrefbrowsercontainer').innerHTML = getBrowserHTML('hrefbrowser', 'href', 'file', 'theme_advanced_link');
        if (isVisible('hrefbrowser'))
            document.getElementById('href').style.width = '180px';

        this.fillClassList('class_list');
        this.fillFileList('link_list', 'tinyMCELinkList');
        this.fillTargetList('target_list');

        if (e = ed.dom.getParent(ed.selection.getNode(), 'A')) {
            f.href.value = ed.dom.getAttrib(e, 'href');
            f.linktitle.value = ed.dom.getAttrib(e, 'title');
            f.insert.value = ed.getLang('update');
            selectByValue(f, 'link_list', f.href.value);
            selectByValue(f, 'target_list', ed.dom.getAttrib(e, 'target'));
            selectByValue(f, 'class_list', ed.dom.getAttrib(e, 'class'));
        }
    },

    update : function() {
        var f = document.forms[0], ed = tinyMCEPopup.editor, e, b, href = f.href.value.replace(/ /g, '%20');

        tinyMCEPopup.restoreSelection();
        e = ed.dom.getParent(ed.selection.getNode(), 'A');

        // Remove element if there is no href
        if (!f.href.value) {
            if (e) {
                b = ed.selection.getBookmark();
                ed.dom.remove(e, 1);
                ed.selection.moveToBookmark(b);
                tinyMCEPopup.execCommand("mceEndUndoLevel");
                tinyMCEPopup.close();
                return;
            }
        }

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

            tinymce.each(ed.dom.select("a"), function(n) {
                if (ed.dom.getAttrib(n, 'href') == '#mce_temp_url#') {
                    e = n;

                    ed.dom.setAttribs(e, {
                        href : href,
                        title : f.linktitle.value,
                        target : f.target_list ? getSelectValue(f, "target_list") : null,
                        'class' : f.class_list ? getSelectValue(f, "class_list") : null
                    });
                }
            });
        } else {
            ed.dom.setAttribs(e, {
                href : href,
                title : f.linktitle.value
            });

            if (f.target_list) {
                ed.dom.setAttrib(e, 'target', getSelectValue(f, "target_list"));
            }

            if (f.class_list) {
                ed.dom.setAttrib(e, 'class', getSelectValue(f, "class_list"));
            }
        }

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

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

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

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

    fillFileList : function(id, l) {
        var dom = tinyMCEPopup.dom, lst = dom.get(id), v, cl;

        l = window[l];

        if (l && l.length > 0) {
            lst.options[lst.options.length] = new Option('', '');

            tinymce.each(l, function(o) {
                lst.options[lst.options.length] = new Option(o[0], o[1]);
            });
        } else
            dom.remove(dom.getParent(id, 'tr'));
    },

    fillClassList : function(id) {
        var dom = tinyMCEPopup.dom, lst = dom.get(id), v, cl;

        if (v = tinyMCEPopup.getParam('theme_advanced_styles')) {
            cl = [];

            tinymce.each(v.split(';'), function(v) {
                var p = v.split('=');

                cl.push({'title' : p[0], 'class' : p[1]});
            });
        } else
            cl = tinyMCEPopup.editor.dom.getClasses();

        if (cl.length > 0) {
            lst.options[lst.options.length] = new Option(tinyMCEPopup.getLang('not_set'), '');

            tinymce.each(cl, function(o) {
                lst.options[lst.options.length] = new Option(o.title || o['class'], o['class']);
            });
        } else
            dom.remove(dom.getParent(id, 'tr'));
    },

    fillTargetList : function(id) {
        var dom = tinyMCEPopup.dom, lst = dom.get(id), v;

        lst.options[lst.options.length] = new Option(tinyMCEPopup.getLang('not_set'), '');
        lst.options[lst.options.length] = new Option(tinyMCEPopup.getLang('advanced_dlg.link_target_same'), '_self');
        lst.options[lst.options.length] = new Option(tinyMCEPopup.getLang('advanced_dlg.link_target_blank'), '_blank');

        if (v = tinyMCEPopup.getParam('theme_advanced_link_targets')) {
            tinymce.each(v.split(','), function(v) {
                v = v.split('=');
                lst.options[lst.options.length] = new Option(v[0], v[1]);
            });
        }
    }
};

LinkDialog.preInit();
tinyMCEPopup.onInit.add(LinkDialog.init, LinkDialog);
