2017-02-07 18:13:27 +01:00

136 lines
4.3 KiB
JavaScript

define(['jquery',
'underscore',
'backbone',
'goatApp/model/MenuCollection',
'goatApp/view/MenuItemView',
'goatApp/support/GoatUtils'],
function(
$,
_,
Backbone,
MenuCollection,
MenuItemView,
GoatUtils) {
return Backbone.View.extend({
el:'#menu-container',
//TODO: set template
initialize: function() {
this.collection = new MenuCollection();
this.addSpinner();
this.listenTo(this.collection,'menuData:loaded',this.render);
// this.listenTo(this,'menu:click',this.accordionMenu);
this.curLessonLinkId = '';
},
addSpinner: function() {
//<i class="fa fa-spinner fa-spin"></i>
this.$el.append($('<i>',{class:'fa fa-3x fa-spinner fa-spin'}));
},
removeSpinner: function() {
this.$el.find('i.fa-spinner').remove();
},
// rendering top level menu
render: function (){
//for now, just brute force
//TODO: refactor into sub-views/components
this.removeSpinner();
var items, catItems, stages;
items = this.collection.models; // top level items
var menuMarkup = '';
var menuUl = $('<ul>',{class:'nano-content'});
for(var i=0;i<items.length;i++) { //CATEGORY LEVEL
var catId, category, catLink, catArrow, catLinkText, lessonName, stageName;
catId = GoatUtils.makeId(items[i].get('name'));
category = $('<li>',{class:'sub-menu ng-scope'});
catLink = $('<a>',{'category':catId});
catArrow = $('<i>',{class:'fa fa-angle-right pull-right'});
catLinkText = $('<span>',{text:items[i].get('name')});
catLink.append(catArrow);
catLink.append(catLinkText);
var self = this;
catLink.click(_.bind(this.expandCategory,this,catId));
category.append(catLink);
// lesson level (first children level)
//var lessons = new MenuItemView({items:items[i].get('children')}).render();
var lessons=items[i].get('children');
if (lessons) {
var categoryLessonList = $('<ul>',{class:'slideDown lessonsAndStages',id:catId}); //keepOpen
for (var j=0; j < lessons.length;j++) {
var lessonItem = $('<li>',{class:'lesson'});
var lessonName = polyglot.t(lessons[j].name);
var lessonId = catId + '-' + GoatUtils.makeId(lessonName);
if (this.curLessonLinkId === lessonId) {
lessonItem.addClass('selected');
}
var lessonLink = $('<a>',{href:lessons[j].link,text:lessonName,id:lessonId});
lessonLink.click(_.bind(this.onLessonClick,this,lessonId));
lessonItem.append(lessonLink);
//check for lab/stages
categoryLessonList.append(lessonItem);
if (lessons[j].complete) {
lessonItem.append($('<span>',{class:'glyphicon glyphicon-check lesson-complete'}));
}
var stages = lessons[j].children;
for (k=0; k < stages.length; k++) {
var stageItem = $('<li>',{class:'stage'});
var stageName = stages[k].name;
var stageId = lessonId + '-stage' + k;
if (this.curLessonLinkId === stageId) {
stageItem.addClass('selected');
}
var stageLink = $('<a>',{href:stages[k].link,text:stageName,id:stageId});
stageLink.click(_.bind(this.onLessonClick,this,stageId));
stageItem.append(stageLink);
categoryLessonList.append(stageItem);
if (stages[k].complete) {
stageItem.append($('<span>',{class:'glyphicon glyphicon-check lesson-complete'}));
}
}
}
category.append(categoryLessonList);
}
menuUl.append(category);
}
this.$el.html(menuUl);
//if we need to keep a menu open
if (this.openMenu) {
$('#'+this.openMenu).show();
}
},
updateMenu: function() {
//for now ...
this.collection.fetch();
},
onLessonClick: function (elementId) {
$('#'+this.curLessonLinkId).removeClass('selected').parent().removeClass('selected');
//update
$('#'+elementId).addClass('selected').parent().addClass('selected');
this.curLessonLinkId = elementId;
},
expandCategory: function (id) {
if (id) {
//this.selectedCategory = id;
this.accordionMenu(id);
}
},
accordionMenu: function(id) {
if (this.openMenu !== id) {
this.$el.find('#' + this.openMenu).slideUp(200);
this.$el.find('#' + id).slideDown(300);
this.openMenu = id;
} else { //it's open
this.$el.find('#' + id).slideUp(300).attr('isOpen', 0);
this.openMenu = null;
return;
}
}
});
});