/**
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* jQuery EasyUI 1.5.2
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*
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* Copyright (c) 2009-2017 www.jeasyui.com. All rights reserved.
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*
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* Licensed under the freeware license: http://www.jeasyui.com/license_freeware.php
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* To use it on other terms please contact us: info@jeasyui.com
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*
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*/
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/**
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* accordion - jQuery EasyUI
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*
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* Dependencies:
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* panel
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*
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*/
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(function($){
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// function setSize(container, param){
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// var state = $.data(container, 'accordion');
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// var opts = state.options;
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// var panels = state.panels;
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// var cc = $(container);
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// if (param){
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// $.extend(opts, {
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// width: param.width,
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// height: param.height
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// });
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// }
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// cc._size(opts);
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// var headerHeight = 0;
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// var bodyHeight = 'auto';
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// var headers = cc.find('>.panel>.accordion-header');
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// if (headers.length){
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// headerHeight = $(headers[0]).css('height', '')._outerHeight();
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// }
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// if (!isNaN(parseInt(opts.height))){
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// bodyHeight = cc.height() - headerHeight*headers.length;
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// }
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// _resize(true, bodyHeight - _resize(false) + 1);
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// function _resize(collapsible, height){
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// var totalHeight = 0;
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// for(var i=0; i<panels.length; i++){
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// var p = panels[i];
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// var h = p.panel('header')._outerHeight(headerHeight);
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// if (p.panel('options').collapsible == collapsible){
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// var pheight = isNaN(height) ? undefined : (height+headerHeight*h.length);
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// p.panel('resize', {
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// width: cc.width(),
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// height: (collapsible ? pheight : undefined)
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// });
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// totalHeight += p.panel('panel').outerHeight()-headerHeight*h.length;
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// }
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// }
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// return totalHeight;
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// }
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// }
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function setSize(container, param){
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var state = $.data(container, 'accordion');
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var opts = state.options;
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var panels = state.panels;
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var cc = $(container);
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var isHorizontal = (opts.halign=='left' || opts.halign=='right');
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cc.children('.panel-last').removeClass('panel-last');
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cc.children('.panel:last').addClass('panel-last');
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if (param){
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$.extend(opts, {
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width: param.width,
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height: param.height
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});
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}
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cc._size(opts);
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var headerHeight = 0;
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var bodyHeight = 'auto';
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var headers = cc.find('>.panel>.accordion-header');
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if (headers.length){
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if (isHorizontal){
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$(panels[0]).panel('resize', {width:cc.width(),height:cc.height()});
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headerHeight = $(headers[0])._outerWidth();
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} else {
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headerHeight = $(headers[0]).css('height', '')._outerHeight();
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}
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}
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if (!isNaN(parseInt(opts.height))){
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if (isHorizontal){
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bodyHeight = cc.width() - headerHeight*headers.length;
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} else {
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bodyHeight = cc.height() - headerHeight*headers.length;
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}
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}
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// _resize(true, bodyHeight - _resize(false) + 1);
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_resize(true, bodyHeight - _resize(false));
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function _resize(collapsible, height){
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var totalHeight = 0;
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for(var i=0; i<panels.length; i++){
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var p = panels[i];
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if (isHorizontal){
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var h = p.panel('header')._outerWidth(headerHeight);
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} else {
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var h = p.panel('header')._outerHeight(headerHeight);
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}
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if (p.panel('options').collapsible == collapsible){
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var pheight = isNaN(height) ? undefined : (height+headerHeight*h.length);
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if (isHorizontal){
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p.panel('resize', {
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height: cc.height(),
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width: (collapsible ? pheight : undefined)
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});
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totalHeight += p.panel('panel')._outerWidth()-headerHeight*h.length;
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} else {
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p.panel('resize', {
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width: cc.width(),
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height: (collapsible ? pheight : undefined)
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});
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totalHeight += p.panel('panel').outerHeight()-headerHeight*h.length;
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}
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}
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}
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return totalHeight;
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}
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}
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/**
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* find a panel by specified property, return the panel object or panel index.
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*/
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function findBy(container, property, value, all){
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var panels = $.data(container, 'accordion').panels;
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var pp = [];
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for(var i=0; i<panels.length; i++){
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var p = panels[i];
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if (property){
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if (p.panel('options')[property] == value){
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pp.push(p);
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}
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} else {
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if (p[0] == $(value)[0]){
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return i;
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}
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}
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}
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if (property){
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return all ? pp : (pp.length ? pp[0] : null);
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} else {
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return -1;
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}
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}
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function getSelections(container){
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return findBy(container, 'collapsed', false, true);
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}
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function getSelected(container){
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var pp = getSelections(container);
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return pp.length ? pp[0] : null;
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}
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/**
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* get panel index, start with 0
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*/
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function getPanelIndex(container, panel){
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return findBy(container, null, panel);
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}
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/**
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* get the specified panel.
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*/
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function getPanel(container, which){
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var panels = $.data(container, 'accordion').panels;
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if (typeof which == 'number'){
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if (which < 0 || which >= panels.length){
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return null;
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} else {
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return panels[which];
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}
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}
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return findBy(container, 'title', which);
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}
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function setProperties(container){
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var opts = $.data(container, 'accordion').options;
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var cc = $(container);
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if (opts.border){
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cc.removeClass('accordion-noborder');
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} else {
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cc.addClass('accordion-noborder');
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}
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}
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function init(container){
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var state = $.data(container, 'accordion');
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var cc = $(container);
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cc.addClass('accordion');
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state.panels = [];
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cc.children('div').each(function(){
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var opts = $.extend({}, $.parser.parseOptions(this), {
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selected: ($(this).attr('selected') ? true : undefined)
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});
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var pp = $(this);
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state.panels.push(pp);
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createPanel(container, pp, opts);
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});
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cc.bind('_resize', function(e,force){
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if ($(this).hasClass('easyui-fluid') || force){
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setSize(container);
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}
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return false;
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});
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}
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function createPanel(container, pp, options){
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var opts = $.data(container, 'accordion').options;
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pp.panel($.extend({}, {
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collapsible: true,
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minimizable: false,
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maximizable: false,
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closable: false,
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doSize: false,
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collapsed: true,
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headerCls: 'accordion-header',
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bodyCls: 'accordion-body',
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halign: opts.halign
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}, options, {
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onBeforeExpand: function(){
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if (options.onBeforeExpand){
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if (options.onBeforeExpand.call(this) == false){return false}
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}
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if (!opts.multiple){
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// get all selected panel
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var all = $.grep(getSelections(container), function(p){
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return p.panel('options').collapsible;
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});
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for(var i=0; i<all.length; i++){
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unselect(container, getPanelIndex(container, all[i]));
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}
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}
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var header = $(this).panel('header');
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header.addClass('accordion-header-selected');
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header.find('.accordion-collapse').removeClass('accordion-expand');
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},
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onExpand: function(){
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$(container).find('>.panel-last>.accordion-header').removeClass('accordion-header-border');
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if (options.onExpand){options.onExpand.call(this)}
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opts.onSelect.call(container, $(this).panel('options').title, getPanelIndex(container, this));
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},
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onBeforeCollapse: function(){
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if (options.onBeforeCollapse){
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if (options.onBeforeCollapse.call(this) == false){return false}
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}
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$(container).find('>.panel-last>.accordion-header').addClass('accordion-header-border');
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var header = $(this).panel('header');
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header.removeClass('accordion-header-selected');
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header.find('.accordion-collapse').addClass('accordion-expand');
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},
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onCollapse: function(){
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if (isNaN(parseInt(opts.height))){
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$(container).find('>.panel-last>.accordion-header').removeClass('accordion-header-border');
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}
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if (options.onCollapse){options.onCollapse.call(this)}
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opts.onUnselect.call(container, $(this).panel('options').title, getPanelIndex(container, this));
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}
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}));
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var header = pp.panel('header');
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var tool = header.children('div.panel-tool');
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tool.children('a.panel-tool-collapse').hide(); // hide the old collapse button
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var t = $('<a href="javascript:;"></a>').addClass('accordion-collapse accordion-expand').appendTo(tool);
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t.bind('click', function(){
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togglePanel(pp);
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return false;
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});
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pp.panel('options').collapsible ? t.show() : t.hide();
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if (opts.halign=='left' || opts.halign=='right'){
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t.hide();
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}
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header.click(function(){
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togglePanel(pp);
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return false;
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});
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function togglePanel(p){
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var popts = p.panel('options');
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if (popts.collapsible){
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var index = getPanelIndex(container, p);
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if (popts.collapsed){
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select(container, index);
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} else {
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unselect(container, index);
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}
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}
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}
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}
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/**
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* select and set the specified panel active
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*/
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function select(container, which){
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var p = getPanel(container, which);
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if (!p){return}
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stopAnimate(container);
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var opts = $.data(container, 'accordion').options;
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p.panel('expand', opts.animate);
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}
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function unselect(container, which){
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var p = getPanel(container, which);
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if (!p){return}
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stopAnimate(container);
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var opts = $.data(container, 'accordion').options;
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p.panel('collapse', opts.animate);
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}
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function doFirstSelect(container){
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var opts = $.data(container, 'accordion').options;
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$(container).find('>.panel-last>.accordion-header').addClass('accordion-header-border');
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var p = findBy(container, 'selected', true);
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if (p){
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_select(getPanelIndex(container, p));
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} else {
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_select(opts.selected);
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}
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function _select(index){
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var animate = opts.animate;
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opts.animate = false;
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select(container, index);
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opts.animate = animate;
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}
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}
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/**
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* stop the animation of all panels
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*/
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function stopAnimate(container){
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var panels = $.data(container, 'accordion').panels;
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for(var i=0; i<panels.length; i++){
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panels[i].stop(true,true);
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}
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}
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function add(container, options){
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var state = $.data(container, 'accordion');
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var opts = state.options;
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var panels = state.panels;
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if (options.selected == undefined) options.selected = true;
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stopAnimate(container);
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var pp = $('<div></div>').appendTo(container);
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panels.push(pp);
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createPanel(container, pp, options);
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setSize(container);
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opts.onAdd.call(container, options.title, panels.length-1);
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if (options.selected){
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select(container, panels.length-1);
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}
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}
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function remove(container, which){
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var state = $.data(container, 'accordion');
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var opts = state.options;
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var panels = state.panels;
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stopAnimate(container);
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var panel = getPanel(container, which);
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var title = panel.panel('options').title;
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var index = getPanelIndex(container, panel);
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if (!panel){return}
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if (opts.onBeforeRemove.call(container, title, index) == false){return}
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panels.splice(index, 1);
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panel.panel('destroy');
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if (panels.length){
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setSize(container);
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var curr = getSelected(container);
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if (!curr){
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select(container, 0);
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}
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}
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opts.onRemove.call(container, title, index);
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}
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$.fn.accordion = function(options, param){
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if (typeof options == 'string'){
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return $.fn.accordion.methods[options](this, param);
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}
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options = options || {};
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return this.each(function(){
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var state = $.data(this, 'accordion');
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if (state){
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$.extend(state.options, options);
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} else {
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$.data(this, 'accordion', {
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options: $.extend({}, $.fn.accordion.defaults, $.fn.accordion.parseOptions(this), options),
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accordion: $(this).addClass('accordion'),
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panels: []
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});
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init(this);
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}
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setProperties(this);
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setSize(this);
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doFirstSelect(this);
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});
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};
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$.fn.accordion.methods = {
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options: function(jq){
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return $.data(jq[0], 'accordion').options;
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},
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panels: function(jq){
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return $.data(jq[0], 'accordion').panels;
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},
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resize: function(jq, param){
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return jq.each(function(){
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setSize(this, param);
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});
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},
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getSelections: function(jq){
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return getSelections(jq[0]);
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},
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getSelected: function(jq){
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return getSelected(jq[0]);
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},
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getPanel: function(jq, which){
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return getPanel(jq[0], which);
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},
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getPanelIndex: function(jq, panel){
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return getPanelIndex(jq[0], panel);
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},
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select: function(jq, which){
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return jq.each(function(){
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select(this, which);
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});
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},
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unselect: function(jq, which){
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return jq.each(function(){
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unselect(this, which);
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});
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},
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add: function(jq, options){
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return jq.each(function(){
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add(this, options);
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});
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},
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remove: function(jq, which){
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return jq.each(function(){
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remove(this, which);
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});
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}
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};
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$.fn.accordion.parseOptions = function(target){
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var t = $(target);
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return $.extend({}, $.parser.parseOptions(target, [
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'width','height','halign',
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{fit:'boolean',border:'boolean',animate:'boolean',multiple:'boolean',selected:'number'}
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]));
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};
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$.fn.accordion.defaults = {
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width: 'auto',
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height: 'auto',
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fit: false,
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border: true,
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animate: true,
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multiple: false,
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selected: 0,
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halign: 'top', // the header alignment: 'top','left','right'
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onSelect: function(title, index){},
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onUnselect: function(title, index){},
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onAdd: function(title, index){},
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onBeforeRemove: function(title, index){},
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onRemove: function(title, index){}
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};
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})(jQuery);
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