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edx-platform/cms/static/js/views/textbook.js

264 lines
9.1 KiB
JavaScript

CMS.Views.ShowTextbook = Backbone.View.extend({
initialize: function() {
this.template = _.template($("#show-textbook-tpl").text());
this.listenTo(this.model, "change", this.render);
},
tagName: "section",
className: "textbook",
events: {
"click .edit": "editTextbook",
"click .delete": "confirmDelete",
"click .show-chapters": "showChapters",
"click .hide-chapters": "hideChapters"
},
render: function() {
var attrs = $.extend({}, this.model.attributes);
attrs.bookindex = this.model.collection.indexOf(this.model);
attrs.course = window.section.attributes;
this.$el.html(this.template(attrs));
return this;
},
editTextbook: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.set("editing", true);
},
confirmDelete: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
var textbook = this.model, collection = this.model.collection;
var msg = new CMS.Views.Prompt.Warning({
title: _.template(gettext("Delete “<%= name %>”?"),
{name: textbook.escape('name')}),
message: gettext("Deleting a textbook cannot be undone and once deleted any reference to it in your courseware's navigation will also be removed."),
actions: {
primary: {
text: gettext("Delete"),
click: function(view) {
view.hide();
var delmsg = new CMS.Views.Notification.Mini({
title: gettext("Deleting") + "&hellip;"
}).show();
textbook.destroy({
complete: function() {
delmsg.hide();
}
});
}
},
secondary: {
text: gettext("Cancel"),
click: function(view) {
view.hide();
}
}
}
}).show();
},
showChapters: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.set('showChapters', true);
},
hideChapters: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.set('showChapters', false);
}
});
CMS.Views.EditTextbook = Backbone.View.extend({
initialize: function() {
this.template = _.template($("#edit-textbook-tpl").text());
this.listenTo(this.model, "invalid", this.render);
var chapters = this.model.get('chapters');
this.listenTo(chapters, "add", this.addOne);
this.listenTo(chapters, "reset", this.addAll);
this.listenTo(chapters, "all", this.render);
},
tagName: "section",
className: "textbook",
render: function() {
this.$el.html(this.template({
name: this.model.escape('name'),
error: this.model.validationError
}));
this.addAll();
return this;
},
events: {
"change input[name=textbook-name]": "setName",
"submit": "setAndClose",
"click .action-cancel": "cancel",
"click .action-add-chapter": "createChapter"
},
addOne: function(chapter) {
var view = new CMS.Views.EditChapter({model: chapter});
this.$("ol.chapters").append(view.render().el);
return this;
},
addAll: function() {
this.model.get('chapters').each(this.addOne, this);
},
createChapter: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.setValues();
this.model.get('chapters').add([{}]);
},
setName: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.set("name", this.$("#textbook-name-input").val(), {silent: true});
},
setValues: function() {
this.setName();
var that = this;
_.each(this.$("li"), function(li, i) {
var chapter = that.model.get('chapters').at(i);
if(!chapter) { return; }
chapter.set({
"name": $(".chapter-name", li).val(),
"asset_path": $(".chapter-asset-path", li).val()
});
});
return this;
},
setAndClose: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.setValues();
if(!this.model.isValid()) { return; }
var saving = new CMS.Views.Notification.Mini({
title: gettext("Saving") + "&hellip;"
}).show();
var that = this;
this.model.save({}, {
success: function() {
that.model.setOriginalAttributes();
that.close();
},
complete: function() {
saving.hide();
}
});
},
cancel: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.reset();
return this.close();
},
close: function() {
var textbooks = this.model.collection;
this.remove();
if(this.model.isNew()) {
// if the textbook has never been saved, remove it
textbooks.remove(this.model);
}
// don't forget to tell the model that it's no longer being edited
this.model.set("editing", false);
return this;
}
});
CMS.Views.ListTextbooks = Backbone.View.extend({
initialize: function() {
this.emptyTemplate = _.template($("#no-textbooks-tpl").text());
this.listenTo(this.collection, 'all', this.render);
this.listenTo(this.collection, 'destroy', this.handleDestroy);
},
tagName: "div",
className: "textbooks-list",
render: function() {
var textbooks = this.collection;
if(textbooks.length === 0) {
this.$el.html(this.emptyTemplate());
} else {
this.$el.empty();
var that = this;
textbooks.each(function(textbook) {
var view;
if (textbook.get("editing")) {
view = new CMS.Views.EditTextbook({model: textbook});
} else {
view = new CMS.Views.ShowTextbook({model: textbook});
}
that.$el.append(view.render().el);
});
}
return this;
},
events: {
"click .new-button": "addOne"
},
addOne: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.collection.add([{editing: true}]);
},
handleDestroy: function(model, collection, options) {
collection.remove(model);
}
});
CMS.Views.EditChapter = Backbone.View.extend({
initialize: function() {
this.template = _.template($("#edit-chapter-tpl").text());
this.listenTo(this.model, "change", this.render);
},
tagName: "li",
className: function() {
return "field-group chapter chapter" + this.model.get('order');
},
render: function() {
this.$el.html(this.template({
name: this.model.escape('name'),
asset_path: this.model.escape('asset_path'),
order: this.model.get('order'),
error: this.model.validationError
}));
return this;
},
events: {
"change .chapter-name": "changeName",
"change .chapter-asset-path": "changeAssetPath",
"click .action-close": "removeChapter",
"click .action-upload": "openUploadDialog",
"submit": "uploadAsset"
},
changeName: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.set({
name: this.$(".chapter-name").val()
}, {silent: true});
return this;
},
changeAssetPath: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.set({
asset_path: this.$(".chapter-asset-path").val()
}, {silent: true});
return this;
},
removeChapter: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.collection.remove(this.model);
return this.remove();
},
openUploadDialog: function(e) {
if(e && e.preventDefault) { e.preventDefault(); }
this.model.set({
name: this.$("input.chapter-name").val(),
asset_path: this.$("input.chapter-asset-path").val()
});
var msg = new CMS.Models.FileUpload({
title: _.template(gettext("Upload a new PDF to “<%= name %>”"),
{name: section.escape('name')}),
message: "Files must be in PDF format.",
mimeTypes: ['application/pdf']
});
var that = this;
var view = new CMS.Views.UploadDialog({
model: msg,
onSuccess: function(response) {
var options = {};
if(!that.model.get('name')) {
options.name = response.displayname;
}
options.asset_path = response.url;
that.model.set(options);
},
});
$(".wrapper-view").after(view.show().el);
}
});