tinyMCEPopup.requireLangPack();

var AnchorDialog = {
    init: function (ed) {
        var action, elm, f = document.forms[0];

        this.editor = ed;
        elm = ed.dom.getParent(ed.selection.getNode(), 'A');
        v = ed.dom.getAttrib(elm, 'name') || ed.dom.getAttrib(elm, 'id');

        if (v) {
            this.action = 'update';
            f.anchorName.value = v;
        }

        f.insert.value = ed.getLang(elm ? 'update' : 'insert');
    },

    update: function () {
        var ed = this.editor, elm, name = document.forms[0].anchorName.value, attribName;

        if (!name || !/^[a-z][a-z0-9\-\_:\.]*$/i.test(name)) {
            tinyMCEPopup.alert('advanced_dlg.anchor_invalid');
            return;
        }

        tinyMCEPopup.restoreSelection();

        if (this.action != 'update')
            ed.selection.collapse(1);

        var aRule = ed.schema.getElementRule('a');
        if (!aRule || aRule.attributes.name) {
            attribName = 'name';
        } else {
            attribName = 'id';
        }

        elm = ed.dom.getParent(ed.selection.getNode(), 'A');
        if (elm) {
            elm.setAttribute(attribName, name);
            elm[attribName] = name;
            ed.undoManager.add();
        } else {
            // create with zero-sized nbsp so that in Webkit where anchor is on last line by itself caret cannot be placed after it
            var attrs = {'class': 'mceItemAnchor'};
            attrs[attribName] = name;
            ed.execCommand('mceInsertContent', 0, ed.dom.createHTML('a', attrs, '\uFEFF'));
            ed.nodeChanged();
        }

        tinyMCEPopup.close();
    }
};

tinyMCEPopup.onInit.add(AnchorDialog.init, AnchorDialog);
