| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | /* Copyright 2017 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'; Object.defineProperty(exports, "__esModule", { value: true }); exports.PDFOutlineViewer = undefined; var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); var _pdf = require('../pdf'); function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } var DEFAULT_TITLE = '\u2013'; var PDFOutlineViewer = function () { function PDFOutlineViewer(_ref) { var container = _ref.container, linkService = _ref.linkService, eventBus = _ref.eventBus; _classCallCheck(this, PDFOutlineViewer); this.container = container; this.linkService = linkService; this.eventBus = eventBus; this.reset(); } _createClass(PDFOutlineViewer, [{ key: 'reset', value: function reset() { this.outline = null; this.lastToggleIsShow = true; this.container.textContent = ''; this.container.classList.remove('outlineWithDeepNesting'); } }, { key: '_dispatchEvent', value: function _dispatchEvent(outlineCount) { this.eventBus.dispatch('outlineloaded', { source: this, outlineCount: outlineCount }); } }, { key: '_bindLink', value: function _bindLink(element, item) { var _this = this; if (item.url) { (0, _pdf.addLinkAttributes)(element, { url: item.url, target: item.newWindow ? _pdf.PDFJS.LinkTarget.BLANK : undefined }); return; } var destination = item.dest; element.href = this.linkService.getDestinationHash(destination); element.onclick = function () { if (destination) { _this.linkService.navigateTo(destination); } return false; }; } }, { key: '_setStyles', value: function _setStyles(element, item) { var styleStr = ''; if (item.bold) { styleStr += 'font-weight: bold;'; } if (item.italic) { styleStr += 'font-style: italic;'; } if (styleStr) { element.setAttribute('style', styleStr); } } }, { key: '_addToggleButton', value: function _addToggleButton(div) { var _this2 = this; var toggler = document.createElement('div'); toggler.className = 'outlineItemToggler'; toggler.onclick = function (evt) { evt.stopPropagation(); toggler.classList.toggle('outlineItemsHidden'); if (evt.shiftKey) { var shouldShowAll = !toggler.classList.contains('outlineItemsHidden'); _this2._toggleOutlineItem(div, shouldShowAll); } }; div.insertBefore(toggler, div.firstChild); } }, { key: '_toggleOutlineItem', value: function _toggleOutlineItem(root, show) { this.lastToggleIsShow = show; var togglers = root.querySelectorAll('.outlineItemToggler'); for (var i = 0, ii = togglers.length; i < ii; ++i) { togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden'); } } }, { key: 'toggleOutlineTree', value: function toggleOutlineTree() { if (!this.outline) { return; } this._toggleOutlineItem(this.container, !this.lastToggleIsShow); } }, { key: 'render', value: function render(_ref2) { var outline = _ref2.outline; var outlineCount = 0; if (this.outline) { this.reset(); } this.outline = outline || null; if (!outline) { this._dispatchEvent(outlineCount); return; } var fragment = document.createDocumentFragment(); var queue = [{ parent: fragment, items: this.outline }]; var hasAnyNesting = false; while (queue.length > 0) { var levelData = queue.shift(); for (var i = 0, len = levelData.items.length; i < len; i++) { var item = levelData.items[i]; var div = document.createElement('div'); div.className = 'outlineItem'; var element = document.createElement('a'); this._bindLink(element, item); this._setStyles(element, item); element.textContent = (0, _pdf.removeNullCharacters)(item.title) || DEFAULT_TITLE; div.appendChild(element); if (item.items.length > 0) { hasAnyNesting = true; this._addToggleButton(div); var itemsDiv = document.createElement('div'); itemsDiv.className = 'outlineItems'; div.appendChild(itemsDiv); queue.push({ parent: itemsDiv, items: item.items }); } levelData.parent.appendChild(div); outlineCount++; } } if (hasAnyNesting) { this.container.classList.add('outlineWithDeepNesting'); } this.container.appendChild(fragment); this._dispatchEvent(outlineCount); } }]); return PDFOutlineViewer; }(); exports.PDFOutlineViewer = PDFOutlineViewer; |