cae5c324a6
Textbooks now have an empty chapterset by default, instead of one with one empty chapter. The TextbookEdit view dynamically adds an empty chapter if the chapterset is empty; the close button removes all empty chapters from the chapterset.
108 lines
3.1 KiB
JavaScript
108 lines
3.1 KiB
JavaScript
CMS.Models.Textbook = Backbone.AssociatedModel.extend({
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defaults: function() {
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return {
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name: "",
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chapters: new CMS.Collections.ChapterSet(),
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showChapters: false
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};
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},
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relations: [{
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type: Backbone.Many,
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key: "chapters",
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relatedModel: "CMS.Models.Chapter",
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collectionType: "CMS.Collections.ChapterSet"
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}],
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isEmpty: function() {
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return !this.get('name') && this.get('chapters').isEmpty();
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},
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parse: function(response) {
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var ret = $.extend(true, {}, response);
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if("tab_title" in ret && !("name" in ret)) {
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ret.name = ret.tab_title;
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delete ret.tab_title;
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}
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if("url" in ret && !("chapters" in ret)) {
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ret.chapters = {"url": ret.url};
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delete ret.url;
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}
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_.each(ret.chapters, function(chapter, i) {
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chapter.order = chapter.order || i+1;
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});
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return ret;
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},
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toJSON: function() {
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return {
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tab_title: this.get('name'),
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chapters: this.get('chapters').toJSON()
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};
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}
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});
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CMS.Collections.TextbookSet = Backbone.Collection.extend({
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model: CMS.Models.Textbook,
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url: function() { return window.TEXTBOOK_URL; },
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initialize: function() {
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this.listenTo(this, "editOne", this.editOne);
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},
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editOne: function(textbook) {
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this.editing = textbook;
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},
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save: function(options) {
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return this.sync('update', this, options);
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}
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});
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CMS.Models.Chapter = Backbone.AssociatedModel.extend({
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defaults: function() {
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return {
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name: "",
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asset_path: "",
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order: this.collection ? this.collection.nextOrder() : 1
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};
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},
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isEmpty: function() {
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return !this.get('name') && !this.get('asset_path');
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},
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parse: function(response) {
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if("title" in response && !("name" in response)) {
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response.name = response.title;
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delete response.title;
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}
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if("url" in response && !("asset_path" in response)) {
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response.asset_path = response.url;
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delete response.url;
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}
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return response;
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},
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toJSON: function() {
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return {
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title: this.get('name'),
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url: this.get('asset_path')
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};
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}
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});
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CMS.Collections.ChapterSet = Backbone.Collection.extend({
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model: CMS.Models.Chapter,
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comparator: "order",
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nextOrder: function() {
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if(!this.length) return 1;
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return this.last().get('order') + 1;
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},
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isEmpty: function() {
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return this.length === 0 || this.every(function(m) { return m.isEmpty(); });
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}
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});
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CMS.Models.FileUpload = Backbone.Model.extend({
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defaults: {
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"title": "",
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"message": "",
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"selectedFile": null,
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"uploading": false,
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"uploadedBytes": 0,
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"totalBytes": 0
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},
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validate: function(attrs, options) {
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if(attrs.selectedFile && attrs.selectedFile.type !== "application/pdf") {
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return gettext("Only PDF files can be uploaded. Please select a file ending in .pdf to upload.");
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}
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}
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});
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