15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2007 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2012 Google Inc. All rights reserved. 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * its contributors may be used to endorse or promote products derived 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * from this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Contains diff method based on Javascript Diff Algorithm By John Resig 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * http://ejohn.org/files/jsdiff.js (released under the MIT license). 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 34f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) * @param {number} offset 35f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) * @param {string} stopCharacters 36f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) * @param {!Node} stayWithinNode 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {string=} direction 385d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {!Range} 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.rangeOfWord = function(offset, stopCharacters, stayWithinNode, direction) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var startNode; 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var startOffset = 0; 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var endNode; 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var endOffset = 0; 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!stayWithinNode) 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) stayWithinNode = this; 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!direction || direction === "backward" || direction === "both") { 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var node = this; 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (node) { 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node === stayWithinNode) { 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!startNode) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) startNode = stayWithinNode; 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node.nodeType === Node.TEXT_NODE) { 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var start = (node === this ? (offset - 1) : (node.nodeValue.length - 1)); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (var i = start; i >= 0; --i) { 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (stopCharacters.indexOf(node.nodeValue[i]) !== -1) { 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) startNode = node; 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) startOffset = i + 1; 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (startNode) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = node.traversePreviousNode(stayWithinNode); 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!startNode) { 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) startNode = stayWithinNode; 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) startOffset = 0; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } else { 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) startNode = this; 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) startOffset = offset; 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!direction || direction === "forward" || direction === "both") { 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = this; 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (node) { 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node === stayWithinNode) { 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!endNode) 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) endNode = stayWithinNode; 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node.nodeType === Node.TEXT_NODE) { 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var start = (node === this ? offset : 0); 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (var i = start; i < node.nodeValue.length; ++i) { 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (stopCharacters.indexOf(node.nodeValue[i]) !== -1) { 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) endNode = node; 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) endOffset = i; 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (endNode) 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = node.traverseNextNode(stayWithinNode); 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!endNode) { 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) endNode = stayWithinNode; 1135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) endOffset = stayWithinNode.nodeType === Node.TEXT_NODE ? stayWithinNode.nodeValue.length : stayWithinNode.childNodes.length; 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } else { 1165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) endNode = this; 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) endOffset = offset; 1185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var result = this.ownerDocument.createRange(); 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) result.setStart(startNode, startOffset); 1225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) result.setEnd(endNode, endOffset); 1235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return result; 1255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1275d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 1285d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {!Node=} stayWithin 1295d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {?Node} 1305d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 1315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.traverseNextTextNode = function(stayWithin) 1325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var node = this.traverseNextNode(stayWithin); 1345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!node) 1355d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) return null; 1365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (node && node.nodeType !== Node.TEXT_NODE) 1385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = node.traverseNextNode(stayWithin); 1395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return node; 1415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1435d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 1445d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {number} offset 1455d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {!{container: !Node, offset: number}} 1465d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 1475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.rangeBoundaryForOffset = function(offset) 1485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var node = this.traverseNextTextNode(this); 1505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (node && offset > node.nodeValue.length) { 1515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) offset -= node.nodeValue.length; 1525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = node.traverseNextTextNode(this); 1535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!node) 1555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return { container: this, offset: 0 }; 1565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return { container: node, offset: offset }; 1575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 159926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)/** 1605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {number|undefined} x 1615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {number|undefined} y 16209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * @param {!Element=} relativeTo 1635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 16409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)Element.prototype.positionAt = function(x, y, relativeTo) 1655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 16609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) var shift = {x: 0, y: 0}; 16709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) if (relativeTo) 16809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) shift = relativeTo.boxInWindow(this.ownerDocument.defaultView); 16909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 1705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (typeof x === "number") 17109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) this.style.setProperty("left", (shift.x + x) + "px"); 1725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) else 1735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.style.removeProperty("left"); 1745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (typeof y === "number") 17609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) this.style.setProperty("top", (shift.y + y) + "px"); 1775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) else 1785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.style.removeProperty("top"); 1795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1815d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 1825d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {boolean} 1835d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 1845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.isScrolledToBottom = function() 1855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 186d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // This code works only for 0-width border. 187d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // Both clientHeight and scrollHeight are rounded to integer values, so we tolerate 188d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // one pixel error. 189d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) return Math.abs(this.scrollTop + this.clientHeight - this.scrollHeight) <= 1; 1905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 192926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)/** 193a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @param {!Node} fromNode 194a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @param {!Node} toNode 195926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) */ 196926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)function removeSubsequentNodes(fromNode, toNode) 197926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 198926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) for (var node = fromNode; node && node !== toNode; ) { 199926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) var nodeToRemove = node; 200926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) node = node.nextSibling; 201591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch nodeToRemove.remove(); 202926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 203926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 204926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 2055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 2065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @constructor 207aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @param {!Size} minimum 208aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @param {?Size=} preferred 209aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch */ 210aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdochfunction Constraints(minimum, preferred) 211aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch{ 212aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch /** 213aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @type {!Size} 214aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch */ 215aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch this.minimum = minimum; 216aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch 217aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch /** 218aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @type {!Size} 219aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch */ 220aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch this.preferred = preferred || minimum; 221aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch 222aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch if (this.minimum.width > this.preferred.width || this.minimum.height > this.preferred.height) 223aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch throw new Error("Minimum size is greater than preferred."); 224aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch} 225aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch 226aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch/** 227aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @param {?Constraints} constraints 228aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @return {boolean} 229aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch */ 230aafa69cb17c9d6606c07663ade5f81388a2c5986Ben MurdochConstraints.prototype.isEqual = function(constraints) 231aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch{ 232aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return !!constraints && this.minimum.isEqual(constraints.minimum) && this.preferred.isEqual(constraints.preferred); 2335d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)} 234aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch 235aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch/** 236aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @param {!Constraints|number} value 237aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @return {!Constraints} 238aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch */ 239aafa69cb17c9d6606c07663ade5f81388a2c5986Ben MurdochConstraints.prototype.widthToMax = function(value) 240aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch{ 241aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch if (typeof value === "number") 242aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return new Constraints(this.minimum.widthToMax(value), this.preferred.widthToMax(value)); 243aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return new Constraints(this.minimum.widthToMax(value.minimum), this.preferred.widthToMax(value.preferred)); 2445d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)} 245aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch 246aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch/** 247aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @param {!Constraints|number} value 248aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @return {!Constraints} 249aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch */ 250aafa69cb17c9d6606c07663ade5f81388a2c5986Ben MurdochConstraints.prototype.addWidth = function(value) 251aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch{ 252aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch if (typeof value === "number") 253aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return new Constraints(this.minimum.addWidth(value), this.preferred.addWidth(value)); 254aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return new Constraints(this.minimum.addWidth(value.minimum), this.preferred.addWidth(value.preferred)); 2555d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)} 256aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch 257aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch/** 258aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @param {!Constraints|number} value 259aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @return {!Constraints} 260aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch */ 261aafa69cb17c9d6606c07663ade5f81388a2c5986Ben MurdochConstraints.prototype.heightToMax = function(value) 262aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch{ 263aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch if (typeof value === "number") 264aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return new Constraints(this.minimum.heightToMax(value), this.preferred.heightToMax(value)); 265aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return new Constraints(this.minimum.heightToMax(value.minimum), this.preferred.heightToMax(value.preferred)); 2665d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)} 267aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch 268aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch/** 269aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @param {!Constraints|number} value 270aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch * @return {!Constraints} 271aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch */ 272aafa69cb17c9d6606c07663ade5f81388a2c5986Ben MurdochConstraints.prototype.addHeight = function(value) 273aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch{ 274aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch if (typeof value === "number") 275aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return new Constraints(this.minimum.addHeight(value), this.preferred.addHeight(value)); 276aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch return new Constraints(this.minimum.addHeight(value.minimum), this.preferred.addHeight(value.preferred)); 2775d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)} 278aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch 279aafa69cb17c9d6606c07663ade5f81388a2c5986Ben Murdoch/** 280a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @param {?Element=} containerElement 281a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @return {!Size} 2825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 28353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)Element.prototype.measurePreferredSize = function(containerElement) 2845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 28553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) containerElement = containerElement || document.body; 28653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) containerElement.appendChild(this); 2875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.positionAt(0, 0); 2885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var result = new Size(this.offsetWidth, this.offsetHeight); 2895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.positionAt(undefined, undefined); 290591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch this.remove(); 2915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return result; 2925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 2935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 29451b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)/** 295a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @param {!Event} event 29651b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) * @return {boolean} 29751b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) */ 29851b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)Element.prototype.containsEventPoint = function(event) 29951b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles){ 30051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) var box = this.getBoundingClientRect(); 30151b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) return box.left < event.x && event.x < box.right && 30251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) box.top < event.y && event.y < box.bottom; 30351b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)} 30451b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) 3055d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 3065d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {!Array.<string>} nameArray 3075d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {?Node} 3085d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 3095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.enclosingNodeOrSelfWithNodeNameInArray = function(nameArray) 3105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 3115d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) for (var node = this; node && node !== this.ownerDocument; node = node.parentNode) { 3125d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) for (var i = 0; i < nameArray.length; ++i) { 3135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node.nodeName.toLowerCase() === nameArray[i].toLowerCase()) 3145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return node; 3155d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) } 3165d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) } 3175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return null; 3185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3205d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 3215d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {string} nodeName 3225d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {?Node} 3235d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 3245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.enclosingNodeOrSelfWithNodeName = function(nodeName) 3255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 3265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return this.enclosingNodeOrSelfWithNodeNameInArray([nodeName]); 3275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 329926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)/** 330926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * @param {string} className 331a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @param {!Element=} stayWithin 3325d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {?Element} 333926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) */ 334926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)Node.prototype.enclosingNodeOrSelfWithClass = function(className, stayWithin) 3355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 3365d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) for (var node = this; node && node !== stayWithin && node !== this.ownerDocument; node = node.parentNode) { 337a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) if (node.nodeType === Node.ELEMENT_NODE && node.classList.contains(className)) 3385d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) return /** @type {!Element} */ (node); 3395d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) } 3405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return null; 3415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3435d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 3445d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {string} query 3455d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {?Node} 3465d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 3475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.query = function(query) 3485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 3495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return this.ownerDocument.evaluate(query, this, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue; 3505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.removeChildren = function() 3535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 3545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (this.firstChild) 3555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.textContent = ""; 3565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3585d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 3595d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {boolean} 3605d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 3615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.isInsertionCaretInside = function() 3625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 3635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var selection = window.getSelection(); 3645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!selection.rangeCount || !selection.isCollapsed) 3655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return false; 3665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var selectionRange = selection.getRangeAt(0); 3675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return selectionRange.startContainer.isSelfOrDescendant(this); 3685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 37119cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) * @param {string} elementName 3725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {string=} className 3735d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {!Element} 3745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 37519cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles)Document.prototype.createElementWithClass = function(elementName, className) 3765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 37719cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) var element = this.createElement(elementName); 3785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (className) 3795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) element.className = className; 38019cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) return element; 38119cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles)} 38219cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) 38319cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles)/** 384f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) * @param {string} elementName 38519cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) * @param {string=} className 3865d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {!Element} 38719cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) */ 38819cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles)Element.prototype.createChild = function(elementName, className) 38919cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles){ 39019cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) var element = this.ownerDocument.createElementWithClass(elementName, className); 3915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.appendChild(element); 3925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return element; 3935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 3945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)DocumentFragment.prototype.createChild = Element.prototype.createChild; 3965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 3985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {string} text 3995d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {!Text} 4005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 4015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.createTextChild = function(text) 4025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 4035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var element = this.ownerDocument.createTextNode(text); 4045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.appendChild(element); 4055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return element; 4065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 4075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)DocumentFragment.prototype.createTextChild = Element.prototype.createTextChild; 4095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 411197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch * @param {...string} var_args 412197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch */ 413197021e6b966cfb06891637935ef33fff06433d1Ben MurdochElement.prototype.createTextChildren = function(var_args) 414197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch{ 415197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch for (var i = 0, n = arguments.length; i < n; ++i) 416197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch this.createTextChild(arguments[i]); 417197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch} 418197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch 419197021e6b966cfb06891637935ef33fff06433d1Ben MurdochDocumentFragment.prototype.createTextChildren = Element.prototype.createTextChildren; 420197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch 421197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch/** 422197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch * @param {...!Element} var_args 423197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch */ 424197021e6b966cfb06891637935ef33fff06433d1Ben MurdochElement.prototype.appendChildren = function(var_args) 425197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch{ 426197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch for (var i = 0, n = arguments.length; i < n; ++i) 427197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch this.appendChild(arguments[i]); 428197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch} 429197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch 430197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch/** 4315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @return {number} 4325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 4335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.totalOffsetLeft = function() 4345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 4355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return this.totalOffset().left; 4365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 4375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 4395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @return {number} 4405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 4415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.totalOffsetTop = function() 4425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 4435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return this.totalOffset().top; 4445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 4455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4465d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 4475d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {!{left: number, top: number}} 4485d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 4495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.totalOffset = function() 4505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 45119cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) var rect = this.getBoundingClientRect(); 45219cde67944066db31e633d9e386f2aa9bf9fadb3Torne (Richard Coles) return { left: rect.left, top: rect.top }; 4535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 4545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4555d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 4565d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {!{left: number, top: number}} 4575d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 4585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.scrollOffset = function() 4595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 4605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var curLeft = 0; 4615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var curTop = 0; 4625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (var element = this; element; element = element.scrollParent) { 4635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) curLeft += element.scrollLeft; 4645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) curTop += element.scrollTop; 4655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 4665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return { left: curLeft, top: curTop }; 4675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 4685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 4705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @constructor 4715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {number=} x 4725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {number=} y 4735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {number=} width 4745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {number=} height 4755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 4765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)function AnchorBox(x, y, width, height) 4775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 4785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.x = x || 0; 4795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.y = y || 0; 4805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.width = width || 0; 4815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.height = height || 0; 4825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 4835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 48509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * @param {!AnchorBox} box 48609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * @return {!AnchorBox} 48709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) */ 48809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)AnchorBox.prototype.relativeTo = function(box) 48909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 49009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return new AnchorBox( 49109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) this.x - box.x, this.y - box.y, this.width, this.height); 4925d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)} 49309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 49409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)/** 49509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * @param {!Element} element 49609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * @return {!AnchorBox} 49709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) */ 49809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)AnchorBox.prototype.relativeToElement = function(element) 49909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles){ 50009380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return this.relativeTo(element.boxInWindow(element.ownerDocument.defaultView)); 5015d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)} 50209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 50309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)/** 504f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu * @param {?AnchorBox} anchorBox 505f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu * @return {boolean} 506f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu */ 507f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo LiuAnchorBox.prototype.equals = function(anchorBox) 508f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu{ 509f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu return !!anchorBox && this.x === anchorBox.x && this.y === anchorBox.y && this.width === anchorBox.width && this.height === anchorBox.height; 5105d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)} 511f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu 512f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu/** 513a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @param {!Window} targetWindow 514a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @return {!AnchorBox} 5155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 5165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.offsetRelativeToWindow = function(targetWindow) 5175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 5185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var elementOffset = new AnchorBox(); 5195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var curElement = this; 5205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var curWindow = this.ownerDocument.defaultView; 5215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (curWindow && curElement) { 5225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) elementOffset.x += curElement.totalOffsetLeft(); 5235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) elementOffset.y += curElement.totalOffsetTop(); 5245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (curWindow === targetWindow) 5255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) break; 5265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) curElement = curWindow.frameElement; 5285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) curWindow = curWindow.parent; 5295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 5305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return elementOffset; 5325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 5335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 5355d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {!Window=} targetWindow 536a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) * @return {!AnchorBox} 5375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 5385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.boxInWindow = function(targetWindow) 5395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 5405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) targetWindow = targetWindow || this.ownerDocument.defaultView; 5415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var anchorBox = this.offsetRelativeToWindow(window); 5435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) anchorBox.width = Math.min(this.offsetWidth, window.innerWidth - anchorBox.x); 5445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) anchorBox.height = Math.min(this.offsetHeight, window.innerHeight - anchorBox.y); 5455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return anchorBox; 5475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 5485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 5505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {string} text 5515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 5525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.setTextAndTitle = function(text) 5535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 5545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.textContent = text; 5555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.title = text; 5565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 5575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)KeyboardEvent.prototype.__defineGetter__("data", function() 5595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 5605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Emulate "data" attribute from DOM 3 TextInput event. 5615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // See http://www.w3.org/TR/DOM-Level-3-Events/#events-Events-TextEvent-data 5625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) switch (this.type) { 5635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) case "keypress": 5645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!this.ctrlKey && !this.metaKey) 5655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return String.fromCharCode(this.charCode); 5665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) else 5675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return ""; 5685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) case "keydown": 5695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) case "keyup": 5705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!this.ctrlKey && !this.metaKey && !this.altKey) 5715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return String.fromCharCode(this.which); 5725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) else 5735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return ""; 5745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 5755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}); 5765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/** 5785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * @param {boolean=} preventDefault 5795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 5805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Event.prototype.consume = function(preventDefault) 5815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 5825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.stopImmediatePropagation(); 5835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (preventDefault) 5845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.preventDefault(); 5855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) this.handled = true; 5865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 5875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5885d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 5895d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {number=} start 5905d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {number=} end 5915d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {!Text} 5925d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 5935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Text.prototype.select = function(start, end) 5945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 5955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) start = start || 0; 5965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) end = end || this.textContent.length; 5975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (start < 0) 5995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) start = end + start; 6005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var selection = this.ownerDocument.defaultView.getSelection(); 6025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) selection.removeAllRanges(); 6035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var range = this.ownerDocument.createRange(); 6045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) range.setStart(this, start); 6055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) range.setEnd(this, end); 6065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) selection.addRange(range); 6075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return this; 6085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 6095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6105d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 6115d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {?number} 6125d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 6135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Element.prototype.selectionLeftOffset = function() 6145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 6155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Calculate selection offset relative to the current element. 6165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var selection = window.getSelection(); 6185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!selection.containsNode(this, true)) 6195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return null; 6205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var leftOffset = selection.anchorOffset; 6225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var node = selection.anchorNode; 6235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (node !== this) { 6255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (node.previousSibling) { 6265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = node.previousSibling; 6275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) leftOffset += node.textContent.length; 6285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 6295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = node.parentNode; 6305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 6315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return leftOffset; 6335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 6345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6355d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 6365d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {?Node} node 6375d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {boolean} 6385d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 6395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.isAncestor = function(node) 6405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 6415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!node) 6425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return false; 6435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var currentNode = node.parentNode; 6455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (currentNode) { 6465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (this === currentNode) 6475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return true; 6485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) currentNode = currentNode.parentNode; 6495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 6505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return false; 6515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 6525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6535d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 6545d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {?Node} descendant 6555d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {boolean} 6565d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 6575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.isDescendant = function(descendant) 6585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 6595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return !!descendant && descendant.isAncestor(this); 6605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 6615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6625d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 6635d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {?Node} node 6645d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {boolean} 6655d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 6665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.isSelfOrAncestor = function(node) 6675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 6685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return !!node && (node === this || this.isAncestor(node)); 6695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 6705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6715d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 6725d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {?Node} node 6735d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {boolean} 6745d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 6755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.isSelfOrDescendant = function(node) 6765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 6775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return !!node && (node === this || this.isDescendant(node)); 6785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 6795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6805d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 6815d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {!Node=} stayWithin 6825d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {?Node} 6835d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 6845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.traverseNextNode = function(stayWithin) 6855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 6865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var node = this.firstChild; 6875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node) 6885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return node; 6895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (stayWithin && this === stayWithin) 6915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return null; 6925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = this.nextSibling; 6945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node) 6955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return node; 6965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = this; 6985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (node && !node.nextSibling && (!stayWithin || !node.parentNode || node.parentNode !== stayWithin)) 6995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = node.parentNode; 7005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!node) 7015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return null; 7025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return node.nextSibling; 7045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 7055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7065d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)/** 7075d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @param {!Node=} stayWithin 7085d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) * @return {?Node} 7095d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles) */ 7105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)Node.prototype.traversePreviousNode = function(stayWithin) 7115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 7125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (stayWithin && this === stayWithin) 7135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return null; 7145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) var node = this.previousSibling; 7155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) while (node && node.lastChild) 7165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) node = node.lastChild; 7175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node) 7185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return node; 7195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return this.parentNode; 7205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 7215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 72209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)/** 723d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) * @param {*} text 724d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) * @param {string=} placeholder 725d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) * @return {boolean} true if was truncated 726d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) */ 727d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)Node.prototype.setTextContentTruncatedIfNeeded = function(text, placeholder) 728d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles){ 729d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // Huge texts in the UI reduce rendering performance drastically. 730d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // Moreover, Blink/WebKit uses <unsigned short> internally for storing text content 731d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // length, so texts longer than 65535 are inherently displayed incorrectly. 732d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) const maxTextContentLength = 65535; 733d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 734d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) if (typeof text === "string" && text.length > maxTextContentLength) { 735d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) this.textContent = typeof placeholder === "string" ? placeholder : text.trimEnd(maxTextContentLength); 736d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) return true; 737d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) } 738d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 739d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) this.textContent = text; 740d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) return false; 741d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)} 742d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 743d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)/** 74409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) * @return {boolean} 74509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) */ 7465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)function isEnterKey(event) { 7475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Check if in IME. 7485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return event.keyCode !== 229 && event.keyIdentifier === "Enter"; 7495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 7505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)function consumeEvent(e) 7525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 7535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) e.consume(); 7545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 755