experimental/palette/tooltip.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
   6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   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
  16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19 // THE SOFTWARE.
  20
  21 /**
  22  * @fileoverview Dygraphs options palette tooltip.
  23  *
  24  * @author konigsberg@google.com (Robert Konigsberg)
  25  */
  26 "use strict";
  27
  28 function Tooltip(parent) {
  29   if (!parent) {
  30     parent = $("body")[0];
  31   }
  32   this.elem = $("<div>")
  33       .attr("class", "tooltip")
  34       .appendTo(parent);
  35
  36   this.title = $("<div>")
  37       .attr("class", "title")
  38       .appendTo(this.elem);
  39
  40   this.type = $("<div>")
  41       .attr("class", "type")
  42       .appendTo(this.elem);
  43
  44   this.body = $("<div>")
  45       .attr("class", "body")
  46       .appendTo(this.elem);
  47
  48   this.hide();
  49 }
  50
  51 Tooltip.prototype.show = function(source, title, type, body) {
  52   this.title.html(title);
  53   this.body.html(body);
  54   this.type.text(type); // textContent for arrays.
  55
  56   var offset = source.offset();
  57   this.elem.css({
  58     "width" : "280",
  59     "top" : parseInt(offset.top + source[0].offsetHeight) + 'px',
  60     "left" : parseInt(offset.left + 10) + 'px',
  61     "visibility" : "visible"});
  62 }
  63
  64 Tooltip.prototype.hide = function() {
  65   this.elem.css("visibility", "hidden");
  66 }