97 lines
2.9 KiB
JavaScript
97 lines
2.9 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* Copyright 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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/**
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* @typedef {Object} PDFOutlineViewOptions
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* @property {HTMLDivElement} container - The viewer element.
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* @property {Array} outline - An array of outline objects.
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* @property {IPDFLinkService} linkService - The navigation/linking service.
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*/
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/**
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* @class
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*/
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var PDFOutlineView = (function PDFOutlineViewClosure() {
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/**
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* @constructs PDFOutlineView
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* @param {PDFOutlineViewOptions} options
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*/
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function PDFOutlineView(options) {
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this.container = options.container;
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this.outline = options.outline;
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this.linkService = options.linkService;
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}
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PDFOutlineView.prototype = {
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reset: function PDFOutlineView_reset() {
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var container = this.container;
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while (container.firstChild) {
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container.removeChild(container.firstChild);
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}
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},
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/**
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* @private
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*/
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_bindLink: function PDFOutlineView_bindLink(element, item) {
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var linkService = this.linkService;
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element.href = linkService.getDestinationHash(item.dest);
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element.onclick = function goToDestination(e) {
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linkService.navigateTo(item.dest);
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return false;
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};
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},
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render: function PDFOutlineView_render() {
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var outline = this.outline;
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this.reset();
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if (!outline) {
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return;
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}
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var queue = [{ parent: this.container, items: this.outline }];
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while (queue.length > 0) {
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var levelData = queue.shift();
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for (var i = 0, len = levelData.items.length; i < len; i++) {
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var item = levelData.items[i];
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var div = document.createElement('div');
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div.className = 'outlineItem';
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var element = document.createElement('a');
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this._bindLink(element, item);
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element.textContent = item.title;
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div.appendChild(element);
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if (item.items.length > 0) {
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var itemsDiv = document.createElement('div');
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itemsDiv.className = 'outlineItems';
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div.appendChild(itemsDiv);
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queue.push({ parent: itemsDiv, items: item.items });
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}
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levelData.parent.appendChild(div);
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}
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}
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}
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};
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return PDFOutlineView;
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})();
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