131 lines
3.8 KiB
JavaScript
131 lines
3.8 KiB
JavaScript
/* 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.
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
(function (root, factory) {
|
|
if (typeof define === 'function' && define.amd) {
|
|
define('pdfjs-web/pdf_attachment_viewer', ['exports', 'pdfjs-web/pdfjs'],
|
|
factory);
|
|
} else if (typeof exports !== 'undefined') {
|
|
factory(exports, require('./pdfjs.js'));
|
|
} else {
|
|
factory((root.pdfjsWebPDFAttachmentViewer = {}), root.pdfjsWebPDFJS);
|
|
}
|
|
}(this, function (exports, pdfjsLib) {
|
|
|
|
/**
|
|
* @typedef {Object} PDFAttachmentViewerOptions
|
|
* @property {HTMLDivElement} container - The viewer element.
|
|
* @property {EventBus} eventBus - The application event bus.
|
|
* @property {DownloadManager} downloadManager - The download manager.
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} PDFAttachmentViewerRenderParameters
|
|
* @property {Array|null} attachments - An array of attachment objects.
|
|
*/
|
|
|
|
/**
|
|
* @class
|
|
*/
|
|
var PDFAttachmentViewer = (function PDFAttachmentViewerClosure() {
|
|
/**
|
|
* @constructs PDFAttachmentViewer
|
|
* @param {PDFAttachmentViewerOptions} options
|
|
*/
|
|
function PDFAttachmentViewer(options) {
|
|
this.attachments = null;
|
|
this.container = options.container;
|
|
this.eventBus = options.eventBus;
|
|
this.downloadManager = options.downloadManager;
|
|
}
|
|
|
|
PDFAttachmentViewer.prototype = {
|
|
reset: function PDFAttachmentViewer_reset() {
|
|
this.attachments = null;
|
|
|
|
var container = this.container;
|
|
while (container.firstChild) {
|
|
container.removeChild(container.firstChild);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_dispatchEvent:
|
|
function PDFAttachmentViewer_dispatchEvent(attachmentsCount) {
|
|
this.eventBus.dispatch('attachmentsloaded', {
|
|
source: this,
|
|
attachmentsCount: attachmentsCount
|
|
});
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_bindLink:
|
|
function PDFAttachmentViewer_bindLink(button, content, filename) {
|
|
button.onclick = function downloadFile(e) {
|
|
this.downloadManager.downloadData(content, filename, '');
|
|
return false;
|
|
}.bind(this);
|
|
},
|
|
|
|
/**
|
|
* @param {PDFAttachmentViewerRenderParameters} params
|
|
*/
|
|
render: function PDFAttachmentViewer_render(params) {
|
|
var attachments = (params && params.attachments) || null;
|
|
var attachmentsCount = 0;
|
|
|
|
if (this.attachments) {
|
|
this.reset();
|
|
}
|
|
this.attachments = attachments;
|
|
|
|
if (!attachments) {
|
|
this._dispatchEvent(attachmentsCount);
|
|
return;
|
|
}
|
|
|
|
var names = Object.keys(attachments).sort(function(a, b) {
|
|
return a.toLowerCase().localeCompare(b.toLowerCase());
|
|
});
|
|
attachmentsCount = names.length;
|
|
|
|
for (var i = 0; i < attachmentsCount; i++) {
|
|
var item = attachments[names[i]];
|
|
var filename = pdfjsLib.getFilenameFromUrl(item.filename);
|
|
var div = document.createElement('div');
|
|
div.className = 'attachmentsItem';
|
|
var button = document.createElement('button');
|
|
this._bindLink(button, item.content, filename);
|
|
button.textContent = pdfjsLib.removeNullCharacters(filename);
|
|
div.appendChild(button);
|
|
this.container.appendChild(div);
|
|
}
|
|
|
|
this._dispatchEvent(attachmentsCount);
|
|
}
|
|
};
|
|
|
|
return PDFAttachmentViewer;
|
|
})();
|
|
|
|
exports.PDFAttachmentViewer = PDFAttachmentViewer;
|
|
}));
|