| /* |
| * 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. |
| */ |
| |
| var htrace = htrace || {}; |
| |
| // Widget containing draggable horizontal partition |
| htrace.PartitionWidget = function(params) { |
| this.draw = function() { |
| this.ctx.save(); |
| this.ctx.fillStyle = this.selected ? "#6600ff" : "#aaaaaa"; |
| this.ctx.fillRect(this.x0, this.y0, this.xF - this.x0, this.yF - this.y0); |
| this.ctx.restore(); |
| }; |
| |
| this.handle = function(e) { |
| switch (e.type) { |
| case "mouseDown": |
| if (!htrace.inBoundingBox(e.x, e.y, |
| this.x0, this.xF, this.y0, this.yF)) { |
| return true; |
| } |
| this.manager.registerHighPriority("mouseUp", this); |
| this.manager.registerHighPriority("mouseMove", this); |
| this.selected = true; |
| $(this.el).css('cursor', 'ew-resize'); |
| return false; |
| case "mouseMove": |
| // Move the partition to the mouse pointer area |
| var x = Math.min(Math.max(e.x, this.xMin), this.xMax); |
| var width = this.xF - this.x0; |
| this.x0 = Math.floor(x - (width / 2)); |
| this.xF = this.x0 + width; |
| return false; |
| case "mouseUp": |
| this.manager.unregister("mouseUp", this); |
| this.manager.unregister("mouseMove", this); |
| $(this.el).css('cursor', 'pointer'); |
| this.selected = false; |
| this.releaseHandler(this.x0); |
| return false; |
| case "draw": |
| this.draw(); |
| return true; |
| default: |
| return true; |
| } |
| }; |
| |
| for (var k in params) { |
| this[k]=params[k]; |
| } |
| this.selected = false; |
| this.manager.register("mouseDown", this); |
| this.manager.register("draw", this); |
| return this; |
| }; |