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/*
 * JBoss, Home of Professional Open Source
 * Copyright ${year}, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

(function ($, rf) {

    rf.ui = rf.ui || {};

    rf.ui.AccordionItem = rf.ui.TogglePanelItem.extendClass({
            // class name
            name:"AccordionItem",

            /**
             * @class AccordionItem
             * @name AccordionItem
             *
             * @constructor
             * @param {String} componentId - component id
             * @param {Hash} options - params
             * */
            init : function (componentId, options) {
                $super.constructor.call(this, componentId, options);

                if (!this.disabled) {
                    rf.Event.bindById(this.id + ":header", "click", this.__onHeaderClick, this);
                }

                if (this.isSelected()) {
                    var item = this;
                    $(document).one("javascriptServiceComplete", function () {
                        item.__fitToHeight(item.getTogglePanel());
                    });
                }
            },

            /***************************** Public Methods  ****************************************************************/

            __onHeaderClick : function (comp) {
                this.getTogglePanel().switchToItem(this.getName());
            },

            /**
             * @return {jQuery Object}
             * */
            __header : function () {
                return $(rf.getDomElement(this.id + ":header"));
            },

            /**
             * @return {jQuery Object}
             * */
            __content : function () {
                if (!this.__content_) {
                    this.__content_ = $(rf.getDomElement(this.id + ":content"));
                }
                return this.__content_;
            },

            /**
             * @private
             *
             * used in TogglePanel
             * */
            __enter : function () {
                var parentPanel = this.getTogglePanel();
                if (parentPanel.isKeepHeight) {
                    this.__content().hide(); // TODO ?
                    this.__fitToHeight(parentPanel);
                }

                this.__content().show();
                this.__header().addClass("rf-ac-itm-hdr-act").removeClass("rf-ac-itm-hdr-inact");

                return this.__fireEnter();
            },

            __fitToHeight : function (parentPanel) {
                var h = parentPanel.getInnerHeight();

                var items = parentPanel.getItems();
                for (var i in items) {
                    h -= items[i].__header().outerHeight();
                }

                this.__content().height(h - 20); // 20 it is padding top and bottom
            },

            getHeight : function (recalculate) {
                if (recalculate || !this.__height) {
                    this.__height = $(rf.getDomElement(this.id)).outerHeight(true)
                }

                return this.__height;
            },

            /**
             * @private
             *
             * used in TogglePanel
             * */
            __leave : function () {
                var continueProcess = this.__fireLeave();
                if (!continueProcess) {
                    return false;
                }

                this.__content().hide();
                this.__header().removeClass("rf-ac-itm-hdr-act").addClass("rf-ac-itm-hdr-inact");

                return true;
            }
        });

    // define super class link
    var $super = rf.ui.AccordionItem.$super;
})(jQuery, RichFaces);
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