| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| //----------------------------------------------------------------------------- |
| function main() { |
| // window.addEventListener("load", addClickToExpandImageHandlers, false); |
| } |
| |
| //----------------------------------------------------------------------------- |
| function addClickToExpandImageHandlers() { |
| var elements = document.getElementsByTagName("img") |
| for (var i=0; i<elements.length; i++) { |
| var element = elements[i] |
| if (!hasClass(element, "expand-on-click")) continue |
| |
| addClass(element, "width-transition") |
| element._original_width_ = element.width |
| element._contracted_ = true |
| element.width = element.width / 2 |
| |
| element.addEventListener("click", clickToExpand, false) |
| } |
| } |
| |
| //----------------------------------------------------------------------------- |
| function clickToExpand(event) { |
| var element = this |
| |
| if (element._contracted_) { |
| element.width = element._original_width_ |
| } |
| else { |
| element.width = element._original_width_ / 2 |
| } |
| |
| element._contracted_ = ! element._contracted_ |
| |
| // if (hasClass(element, "contracted")) { |
| // removeClass(element, "contracted") |
| // } |
| // |
| // else { |
| // addClass(element, "contracted") |
| // } |
| } |
| |
| //----------------------------------------------------------------------------- |
| function hasClass(element, className) { |
| var classNames = element.className.split(/\s+/) |
| for (var i=0; i<classNames.length; i++) { |
| if (className == classNames[i]) return true |
| } |
| return false |
| } |
| |
| //----------------------------------------------------------------------------- |
| function addClass(element, className) { |
| if (hasClass(element, className)) return |
| |
| element.className += " " + className |
| } |
| |
| //----------------------------------------------------------------------------- |
| function removeClass(element, className) { |
| var classNames = element.className.split(/\s+/) |
| for (var i=0; i<classNames.length; i++) { |
| if (className == classNames[i]) { |
| classNames[i] = "" |
| } |
| } |
| element.className = classNames.join(" ") |
| } |
| |
| //----------------------------------------------------------------------------- |
| main() |