auto_tests/tests/DygraphOps.js

   1 // Copyright (c) 2011 Google, Inc.
   2 //
   3 // Permission is hereby granted, free of charge, to any person obtaining a copy
   4 // of this software and associated documentation files (the "Software"), to deal
   5 // in the Software without restriction, including without limitation the rights
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   7 // copies of the Software, and to permit persons to whom the Software is
   8 // furnished to do so, subject to the following conditions:
   9 //
  10 // The above copyright notice and this permission notice shall be included in
  11 // all copies or substantial portions of the Software.
  12 //
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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  18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19 // THE SOFTWARE.
  20
  21
  22 /**
  23  * @fileoverview Utility functions for Dygraphs.
  24  *
  25  * @author konigsberg@google.com (Robert Konigsberg)
  26  */
  27 var DygraphOps = {};
  28
  29 DygraphOps.dispatchDoubleClick = function(g, func) {
  30   var evt = document.createEvent('MouseEvents');
  31   evt.initMouseEvent(
  32       'dblclick',
  33       true, true, document.defaultView,
  34       2, 0, 0, 0, 0,
  35       false, false, false, false, 0, null);
  36   if (func) {
  37     func(evt);
  38   }
  39   g.canvas_.dispatchEvent(evt);
  40 };
  41
  42 DygraphOps.dispatchMouseDown = function(g, x, y, func) {
  43   var px = Dygraph.findPosX(g.canvas_);
  44   var py = Dygraph.findPosY(g.canvas_);
  45
  46   var pageX = px + g.toDomXCoord(x);
  47   var pageY = py + g.toDomYCoord(y);
  48
  49   var evt = document.createEvent('MouseEvents');
  50   evt.initMouseEvent(
  51       'mousedown',
  52       true, true, document.defaultView,
  53       1, pageX, pageY, pageX, pageY,
  54       false, false, false, false, 0, null);
  55   if (func) {
  56     func(evt);
  57   }
  58   g.canvas_.dispatchEvent(evt);
  59 };
  60
  61 DygraphOps.dispatchMouseMove = function(g, x, y, func) {
  62   var px = Dygraph.findPosX(g.canvas_);
  63   var py = Dygraph.findPosY(g.canvas_);
  64
  65   var pageX = px + g.toDomXCoord(x);
  66   var pageY = py + g.toDomYCoord(y);
  67
  68   var evt = document.createEvent('MouseEvents');
  69   evt.initMouseEvent(
  70       'mousemove',
  71       true, true, document.defaultView,
  72       0, pageX, pageY, pageX, pageY,
  73       false, false, false, false, 0, null);
  74   if (func) {
  75     func(evt);
  76   }
  77   g.canvas_.dispatchEvent(evt);
  78 };
  79
  80 DygraphOps.dispatchMouseUp = function(g, x, y, func) {
  81   var px = Dygraph.findPosX(g.canvas_);
  82   var py = Dygraph.findPosY(g.canvas_);
  83
  84   var pageX = px + g.toDomXCoord(x);
  85   var pageY = py + g.toDomYCoord(y);
  86
  87   var evt = document.createEvent('MouseEvents');
  88   evt.initMouseEvent(
  89       'mouseup',
  90       true, true, document.defaultView,
  91       0, pageX, pageY, pageX, pageY,
  92       false, false, false, false, 0, null);
  93   if (func) {
  94     func(evt);
  95   }
  96   g.canvas_.dispatchEvent(evt);
  97 };