ajax.html 6.7 KB

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  1. <!doctype html>
  2. <html>
  3. <head>
  4. <meta charset='utf-8'>
  5. <title>Load &amp; Save (Ajax) - Handsontable</title>
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  7. Loading Handsontable (full distribution that includes all dependencies apart from jQuery)
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  24. <link rel="stylesheet" href="css/font-awesome/css/font-awesome.min.css">
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  26. Facebook open graph. Don't copy this to your project :)
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  28. <meta property="og:title" content="Load &amp; Save (Ajax)">
  29. <meta property="og:description"
  30. content="Use the onChange callback to track changes made in the table. In the example below, $.ajax is used to load and save grid data.">
  31. <meta property="og:url" content="http://handsontable.com/demo/ajax.html">
  32. <meta property="og:image" content="http://handsontable.com/demo/image/og-image.png">
  33. <meta property="og:image:type" content="image/png">
  34. <meta property="og:image:width" content="409">
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  36. <link rel="canonical" href="http://handsontable.com/demo/ajax.html">
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  41. </head>
  42. <body>
  43. <div class="wrapper">
  44. <div class="wrapper-row">
  45. <div id="global-menu-clone">
  46. <h1><a href="../index.html">Handsontable</a></h1>
  47. </div>
  48. <div id="container">
  49. <div class="columnLayout">
  50. <div class="rowLayout">
  51. <div class="descLayout">
  52. <div class="pad" data-jsfiddle="example1">
  53. <h2>Load &amp; Save (Ajax)</h2>
  54. <p>Use the
  55. <b>onChange</b> callback to track changes made in the table. In the example below, $.ajax is used to load
  56. and save grid data.
  57. </p>
  58. <p>Note: this is a mockup. Nothing is acually saved. You have to implement that part server-side.</p>
  59. <p>
  60. <button name="load" id="load">Load</button>
  61. <button name="save" id="save">Save</button>
  62. <label><input type="checkbox" name="autosave" id="autosave" checked="checked" autocomplete="off"> Autosave</label>
  63. </p>
  64. <pre id="example1console" class="console">Click "Load" to load data from server</pre>
  65. <div id="example1"></div>
  66. <p>
  67. <button name="dump" data-dump="#example1" data-instance="hot" title="Prints current data source to Firebug/Chrome Dev Tools">
  68. Dump data to console
  69. </button>
  70. </p>
  71. </div>
  72. </div>
  73. <div class="codeLayout">
  74. <div class="pad">
  75. <div class="jsFiddle">
  76. <button class="jsFiddleLink" data-runfiddle="example1">Edit in jsFiddle</button>
  77. </div>
  78. <script data-jsfiddle="example1">
  79. var
  80. $ = function(id) {
  81. return document.getElementById(id);
  82. },
  83. container = $('example1'),
  84. exampleConsole = $('example1console'),
  85. autosave = $('autosave'),
  86. load = $('load'),
  87. save = $('save'),
  88. autosaveNotification,
  89. hot;
  90. hot = new Handsontable(container, {
  91. startRows: 8,
  92. startCols: 6,
  93. rowHeaders: true,
  94. colHeaders: true,
  95. minSpareRows: 1,
  96. contextMenu: true,
  97. afterChange: function (change, source) {
  98. if (source === 'loadData') {
  99. return; //don't save this change
  100. }
  101. if (!autosave.checked) {
  102. return;
  103. }
  104. clearTimeout(autosaveNotification);
  105. ajax('json/save.json', 'GET', JSON.stringify({data: change}), function (data) {
  106. exampleConsole.innerText = 'Autosaved (' + change.length + ' ' + 'cell' + (change.length > 1 ? 's' : '') + ')';
  107. autosaveNotification = setTimeout(function() {
  108. exampleConsole.innerText ='Changes will be autosaved';
  109. }, 1000);
  110. });
  111. }
  112. });
  113. Handsontable.dom.addEvent(load, 'click', function() {
  114. ajax('json/load.json', 'GET', '', function(res) {
  115. var data = JSON.parse(res.response);
  116. hot.loadData(data.data);
  117. exampleConsole.innerText = 'Data loaded';
  118. });
  119. });
  120. Handsontable.dom.addEvent(save, 'click', function() {
  121. // save all cell's data
  122. ajax('json/save.json', 'GET', JSON.stringify({data: hot.getData()}), function (res) {
  123. var response = JSON.parse(res.response);
  124. if (response.result === 'ok') {
  125. exampleConsole.innerText = 'Data saved';
  126. }
  127. else {
  128. exampleConsole.innerText = 'Save error';
  129. }
  130. });
  131. });
  132. Handsontable.dom.addEvent(autosave, 'click', function() {
  133. if (autosave.checked) {
  134. exampleConsole.innerText = 'Changes will be autosaved';
  135. }
  136. else {
  137. exampleConsole.innerText ='Changes will not be autosaved';
  138. }
  139. });
  140. </script>
  141. </div>
  142. </div>
  143. </div>
  144. <div class="footer-text">
  145. </div>
  146. </div>
  147. </div>
  148. </div>
  149. </div>
  150. <div id="outside-links-wrapper"></div>
  151. </body>
  152. </html>