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annotate geotemco/lib/slider/slider.html @ 16:fb948097de39

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fix bug: Edittaglist is working on Firefox. fix bug: name of regex used to show with strange <span id="transmark"></span> showing only on FF but not Saf. Change it to use "document.getElementById(id).textContent to get the pure text string.
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Fri, 20 Feb 2015 16:39:08 +0100
parents b12c99b7c3f0
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1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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3
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4 <html>
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5 <head>
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6 <title>Slider (WebFX)</title>
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7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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8 <script type="text/javascript" src="local/webfxlayout.js"></script>
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9
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10 <script type="text/javascript" src="js/range.js"></script>
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11 <script type="text/javascript" src="js/timer.js"></script>
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12 <script type="text/javascript" src="js/slider.js"></script>
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13 <link type="text/css" rel="StyleSheet" href="css/bluecurve/bluecurve.css" />
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14
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15 </head>
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16 <body>
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17 <!-- WebFX Layout Include -->
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18 <script type="text/javascript">
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19
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20 var articleMenu= new WebFXMenu;
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21 articleMenu.left = 384;
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22 articleMenu.top = 86;
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23 articleMenu.width = 140;
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24 articleMenu.add(new WebFXMenuItem("Slider", "slider.html"));
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25 articleMenu.add(new WebFXMenuItem("Implementation", "implementation.html"));
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26 articleMenu.add(new WebFXMenuItem("API", "api.html"));
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27 articleMenu.add(new WebFXMenuItem("Demo", "demo.html"));
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28 articleMenu.add(new WebFXMenuSeparator);
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29 articleMenu.add(new WebFXMenuItem("Download", "http://webfx.eae.net/download/slider102.zip"));
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30 webfxMenuBar.add(new WebFXMenuButton("Article Menu", null, null, articleMenu));
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31
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32 webfxLayout.writeTitle("Slider");
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33 webfxLayout.writeMenu();
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34 webfxLayout.writeDesignedByEdger();
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35
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36 </script>
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37 <div class="webfx-main-body">
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38 <!-- end WebFX Layout Includes -->
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39
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40 <p>
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41 <span class="date">2002-10-07</span>: First public version released<br />
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42 <span class="date">2006-05-28</span>: Changed license to Apache Software License 2.0.<br />
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43 </p>
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44
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45 <h2>Introduction</h2>
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46
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47 <p>Sliders are useful controls for choosing a value in a range of values.
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48 Common uses are volume controls, seekers for movie and sound files as well
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49 as color pickers. A few people have asked for an update to the old
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50 <a href="http://webfx.eae.net/dhtml/slidebar/slidebar.html">Slidebar</a>
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51 component to make it work in Mozilla and work better in IE. But since the
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52 original control was very basic and was not very usable I decided to
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53 create a new one.</p>
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54
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55 <form onsubmit="return false;">
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56 <div class="slider" id="slider-1" tabIndex="1" style="width: auto; margin: 10px;">
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57 <input class="slider-input" id="slider-input-1"/>
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58 </div>
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59 </form>
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60
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61 <script type="text/javascript">
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62
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63 var sliderEl = document.getElementById ? document.getElementById("slider-1") : null;
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64 var inputEl = document.forms[0]["slider-input-1"];
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65 var s = new Slider(sliderEl, inputEl);
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66 s.onchange = function () {
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67 window.status = "Value: " + s.getValue();
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68 };
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69 s.setValue(50);
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70
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71 </script>
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72
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73 <p>When starting with the new slider a few main features where kept in mind:</p>
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74
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75 <ul>
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76 <li>Degrade gracefully for browser without the needed DOM support. This is
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77 achieved by using a basic text input as the base for the control. In case
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78 the browser does not support the needed features then the input can be used
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79 in the normal way.</li>
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80 <li>Full mouse support. Lots of slider controls does not support anything beyond dragging
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81 the handle. The goal was to allow the user to be able to both drag the handle
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82 and hold down the mouse anywhere on the slider to move the handle towards the
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83 mouse.</li>
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84 <li>Full keyboard support. Once the slider is focused the arrow keys and Page Up /
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85 Page Down can be used to change the value.</li>
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86 <li>Mouse wheel support where available.</li>
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87 <li>Skinable using different CSS files.</li>
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88 </ul>
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89
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90 <h2>Requirements</h2>
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91
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92 <p>The slider works in <strong>any</strong> browser but the GUI component works in
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93 browsers with simple DOM level 1 support with one IE extended proprietary property.
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94 That property is <code>offsetWidth</code> (and <code>offsetHeight</code>) and this is
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95 known to be supported by IE5+, Mozilla 1.0+, Konqueror 3+ and it is assumed other future
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96 browsers will support this as well because it has become a de facto standard.</p>
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97
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98 <h2>Usage</h2>
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99
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100 <p>To use the slider we have to include a few JS files and a CSS file.</p>
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101
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102 <pre>
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103 &lt;script type="text/javascript" src="<a href="js/range.js">js/range.js</a>"&gt;&lt;/script&gt;
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104 &lt;script type="text/javascript" src="<a href="js/timer.js">js/timer.js</a>"&gt;&lt;/script&gt;
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105 &lt;script type="text/javascript" src="<a href="js/slider.js">js/slider.js</a>"&gt;&lt;/script&gt;
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106 &lt;link type="text/css" rel="StyleSheet" href="<a href="css/winclassic.css">css/winclassic.css</a>" /&gt;
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107 </pre>
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108
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109 <p>Then we need to define the HTML to use for the slider. Something like this:</p>
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110
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111 <pre>
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112 &lt;div class="slider" id="slider-1" tabIndex="1"&gt;
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113 &lt;input class="slider-input" id="slider-input-1"
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114 name="slider-input-1"/&gt;
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115 &lt;/div&gt;
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116 </pre>
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117
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118 <p>After this we have to create the JS object that handles the logic. If we only
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119 plan to use this in pages and applications that you know will support the dynamic
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120 slider control we can use the following script block. This should be placed directly
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121 after the slider div.</p>
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122
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123 <pre>
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124 &lt;script type="text/javascript"&gt;
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125
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126 var s = new Slider(document.getElementById("slider-1"),
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127 document.getElementById("slider-input-1"));
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128
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129 &lt;/script&gt;
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130 </pre>
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131
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132 <p>If we however cannot guarantee that all user uses browsers that support
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133 <code>document.getElementById</code> we should use <code>document.forms</code>
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134 to find the input and test whether <code>document.getElementById</code> is
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135 defined.</p>
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136
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137 <pre>
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138 &lt;script type="text/javascript"&gt;
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139
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140 var sliderEl = document.getElementById ?
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141 document.getElementById("slider-1") : null;
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142 var inputEl = document.forms[0]["slider-input-1"];
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143 var s = new Slider(sliderEl, inputEl);
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144
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145 &lt;/script&gt;
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146 </pre>
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147
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148 <p>
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149 <a href="slider.html">Slider</a><br />
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150 <a href="implementation.html">Implementation</a><br />
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151 <a href="api.html">API</a><br />
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152 <a href="demo.html">Demo</a><br />
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153 <a href="http://webfx.eae.net/download/slider102.zip">Download</a>
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154 </p>
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155
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156 <p class="author">Author: Erik Arvidsson</p>
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157
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158 <!-- end webfx-main-body -->
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159 </div>
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160
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161 </body>
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162 </html>