pdf.js/web/pdf_attachment_view.js
2015-01-28 20:53:02 +01:00

89 lines
2.7 KiB
JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* Copyright 2012 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals getFileName */
'use strict';
/**
* @typedef {Object} PDFAttachmentViewOptions
* @property {HTMLDivElement} container - The viewer element.
* @property {Array} attachments - An array of attachment objects.
* @property {DownloadManager} downloadManager - The download manager.
*/
/**
* @class
*/
var PDFAttachmentView = (function PDFAttachmentViewClosure() {
/**
* @constructs PDFAttachmentView
* @param {PDFAttachmentViewOptions} options
*/
function PDFAttachmentView(options) {
this.container = options.container;
this.attachments = options.attachments;
this.downloadManager = options.downloadManager;
}
PDFAttachmentView.prototype = {
reset: function PDFAttachmentView_reset() {
var container = this.container;
while (container.firstChild) {
container.removeChild(container.firstChild);
}
},
/**
* @private
*/
_bindLink: function PDFAttachmentView_bindLink(button, item) {
button.onclick = function downloadFile(e) {
var content = item.content;
var filename = item.filename;
this.downloadManager.downloadData(content, getFileName(filename), '');
return false;
}.bind(this);
},
render: function PDFAttachmentView_render() {
var attachments = this.attachments;
this.reset();
if (!attachments) {
return;
}
var names = Object.keys(attachments).sort(function(a, b) {
return a.toLowerCase().localeCompare(b.toLowerCase());
});
for (var i = 0, len = names.length; i < len; i++) {
var item = attachments[names[i]];
var div = document.createElement('div');
div.className = 'attachmentsItem';
var button = document.createElement('button');
this._bindLink(button, item);
button.textContent = getFileName(item.filename);
div.appendChild(button);
this.container.appendChild(div);
}
}
};
return PDFAttachmentView;
})();