utils.js 9.2 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. var utils = {
  17. //take an element with mustache templates as content and re-render
  18. renderElement:function(element,data) {
  19. element.html(Mustache.render(element.html(), data));
  20. },
  21. renderElements:function(selector,data) {
  22. if(selector == null || typeof(selector) == "undefined")
  23. selector = '';
  24. $(selector).each(function() {
  25. utils._renderElement(this);
  26. });
  27. },
  28. renderPage:function(page_selector,data) {
  29. return utils.renderElements('.' + PAGE_TEMPLATE_PREFIX + page_selector,data);
  30. },
  31. setTitle:function(title) {
  32. $('.page-title').text(title);
  33. return this;
  34. },
  35. getTitle:function() {
  36. return $('.page-title').text();
  37. }
  38. }
  39. function hashToArray(hash) {
  40. var keys = Object.keys(hash);
  41. var output = [];
  42. for(var i=0;i<keys.length;i++) {
  43. output.push({'key':keys[i],'value':hash[keys[i]]});
  44. }
  45. return output;
  46. }
  47. function stringHashColor(str) {
  48. var r = 0, g = 0, b = 0, a = 0;
  49. for(var i=0;i<str.length;i++) {
  50. var c = str.charCodeAt(i);
  51. a += c;
  52. r += Math.floor(Math.abs(Math.sin(c)) * a);
  53. g += Math.floor(Math.abs(Math.cos(c)) * a);
  54. b += Math.floor(Math.abs(Math.tan(c)) * a);
  55. }
  56. return 'rgb('+(r%190)+','+(g%190)+','+(b%190)+')'; //always keep values under 180, to keep it darker
  57. }
  58. function scrollTo(posY) {
  59. $('html, body').animate({scrollTop: posY - 120}, 400);
  60. }
  61. function lockClickOrigin(func, origin) {
  62. return function(target, ev) {
  63. if(origin != ev.target)
  64. return function(){};
  65. return func(target, ev);
  66. };
  67. }
  68. function confirm(title, text, callback) {
  69. var modal = $('#confirm-modal');
  70. ko.cleanNode(modal[0]);
  71. modal.attr('data-bind','template: {name: "confirm_template"}');
  72. ko.applyBindings({
  73. title: title,
  74. text: text
  75. }, modal[0]);
  76. modal.find('.confirm-submit').click(callback);
  77. modal.modal('show');
  78. }
  79. function launchModal(modal, data) {
  80. var element = $('#'+modal);
  81. ko.cleanNode(element[0]);
  82. element.attr('data-bind','template: {name: "'+modal+'_template"}');
  83. ko.applyBindings(data, element[0]);
  84. element.is('.ajaxSubmit') ? element.submit(bindSubmit) : '';
  85. switch(modal) {
  86. case 'cell_edit_modal':
  87. if(data.mime.split('/')[0] == 'text') {
  88. var target = document.getElementById('codemirror_target');
  89. var mime = data.mime;
  90. if(mime == "text/json") {
  91. mime = {name: "javascript", json: true};
  92. }
  93. var cm = CodeMirror.fromTextArea(target, {
  94. mode: mime,
  95. tabMode: 'indent',
  96. lineNumbers: true
  97. });
  98. setTimeout(function(){cm.refresh()}, 401); //CM invis bug workaround
  99. element.find('input[type=submit]').click(function() {
  100. cm.save();
  101. });
  102. }
  103. app.focusModel(data.content);
  104. data.content.history.reload();
  105. break;
  106. }
  107. element.modal('show');
  108. logGA(modal.slice(0, modal.indexOf('_modal') != -1 ? modal.indexOf('_modal') : modal.length));
  109. }
  110. function parseXML(xml) {
  111. var parser, xmlDoc;
  112. if (window.DOMParser) {
  113. parser = new DOMParser();
  114. xmlDoc = parser.parseFromString(xml,"text/xml");
  115. }
  116. else {
  117. xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
  118. xmlDoc.async = false;
  119. xmlDoc.loadXML(xml);
  120. }
  121. return new XMLSerializer().serializeToString(xmlDoc);
  122. }
  123. function detectMimeType(data) {
  124. var MIME_TESTS = {
  125. 'type/null':function(data){return !data;},
  126. 'type/int':function(data){return !isNaN(parseInt(data));},
  127. 'text/json':function(data) {
  128. try {
  129. return JSON.parse(data);
  130. }
  131. catch(err){}
  132. },
  133. 'text/xml':function(data) {
  134. return parseXML(data).indexOf('parsererror') == -1;
  135. }
  136. }
  137. var keys = Object.keys(MIME_TESTS);
  138. for(var i=0;i<keys.length;i++) {
  139. if(MIME_TESTS[keys[i]](data))
  140. return keys[i];
  141. }
  142. //images
  143. var types = ['image/png','image/gif','image/jpg','application/pdf']
  144. var b64 = ['iVBORw','R0lG','/9j/','JVBERi']
  145. try {
  146. var decoded = atob(data).toLowerCase().trim();
  147. for(var i=0;i<types.length;i++) {
  148. var location = decoded.indexOf(types[i].split('/')[1]);
  149. if(location >= 0 && location<10) //stupid guess
  150. return types[i];
  151. }
  152. }
  153. catch(error) {
  154. }
  155. for(var i=0;i<types.length;i++) {
  156. if(data.indexOf(b64[i]) >= 0 && data.indexOf(b64[i]) <= 10)
  157. return types[i];
  158. }
  159. return 'type/null';
  160. }
  161. function convertTimestamp(timestamp) {
  162. var date = new Date(parseInt(timestamp)*1000);
  163. return date.getHours() + ":" + date.getMinutes() + ":" + date.getSeconds();
  164. }
  165. function resetElements() {
  166. $(window).unbind('scroll');
  167. $(window).scroll(function(e) {
  168. $(".subnav.sticky").each(function() {
  169. var padder = $(this).data('padder'), top = $(this).position().top + (padder ? window.scrollY : 0);
  170. if(padder && top <= padder.position().top) {
  171. $(this).removeClass('subnav-fixed').data('padder').remove();
  172. $(this).removeData('padder');
  173. }
  174. else if(!padder && top <= window.scrollY + $('.navbar').outerHeight()) {
  175. $(this).addClass('subnav-fixed').data('padder',$('<div></div>').insertBefore($(this)).css('height',$(this).outerHeight()));
  176. }
  177. });
  178. });
  179. resetSearch();
  180. };
  181. function resetSearch() {
  182. app.views.tabledata.searchQuery('');
  183. app.search.cur_input('');
  184. };
  185. function prepForTransport(value) {
  186. value = value.replace(/\"/g,'\\\"').replace(/\//g,'\\/');
  187. if(isNaN(parseInt(value)) && value.trim() != '')
  188. value = '"' + value + '"';
  189. return encodeURIComponent(value);
  190. };
  191. function logGA(postfix) {
  192. if(postfix == null)
  193. postfix = ""
  194. if (typeof trackOnGA == 'function') {
  195. trackOnGA('hbase/' + postfix);
  196. }
  197. };
  198. function table_search(value) {
  199. routie(app.cluster() + '/' + app.views.tabledata.name() +'/query/' + value);
  200. };
  201. function getEditablePosition(contentEditable, trimWhitespaceNodes) {
  202. var el = contentEditable;
  203. if(window.getSelection().getRangeAt(0).startContainer == el) //raw reference for FF fix
  204. return 0;
  205. var index = window.getSelection().getRangeAt(0).startOffset; //ff
  206. var cur_node = window.getSelection().getRangeAt(0).startContainer; //ff
  207. while(cur_node != null && cur_node != el) {
  208. var cur_sib = cur_node.previousSibling || cur_node.previousElementSibling;
  209. while(cur_sib != null) {
  210. var val = $(cur_sib).text() || cur_sib.nodeValue;
  211. if(typeof val !== "undefined" && val != null) {
  212. index += trimWhitespaceNodes ? val.length : val.length;
  213. }
  214. cur_sib = cur_sib.previousSibling;
  215. }
  216. cur_node = cur_node.parentNode;
  217. }
  218. return index;
  219. };
  220. function setCursor(node, pos, trimWhitespaceNodes){
  221. var sel = window.getSelection();
  222. var range = document.createRange();
  223. node = function selectNode(node) {
  224. var nodes = node.childNodes;
  225. if(pos > 0) {
  226. for(var i=0; i<nodes.length; i++) {
  227. var val = trimWhitespaceNodes ? nodes[i].nodeValue.trim() : nodes[i].nodeValue;
  228. if(val) {
  229. if(val.length >= pos) {
  230. return nodes[i];
  231. } else {
  232. pos -= val.length;
  233. }
  234. }
  235. var n = selectNode(nodes[i]);
  236. if (n) return n;
  237. }
  238. }
  239. return false;
  240. }(node);
  241. try {
  242. range.setStart(node, pos);
  243. range.setEnd(node, pos);
  244. range.collapse(true);
  245. sel.removeAllRanges();
  246. sel.addRange(range);
  247. } catch (err) { }
  248. }
  249. window.selectIndex = null;
  250. var fallback = typeof window.getSelection === "undefined";
  251. ko.bindingHandlers.editableText = {
  252. init: function(element, valueAccessor, allBindingsAccessor) {
  253. $(element).on('keydown', function() {
  254. setTimeout(function() {
  255. var modelValue = valueAccessor();
  256. var elementValue = $(element).text();
  257. if (ko.isWriteableObservable(modelValue) && elementValue != modelValue()) {
  258. if(!fallback)
  259. window.selectIndex = getEditablePosition(element); //firefox does some tricky predictive stuff here
  260. modelValue(elementValue);
  261. }
  262. else { //handle non-observable one-way binding
  263. var allBindings = allBindingsAccessor();
  264. if (allBindings['_ko_property_writers'] && allBindings['_ko_property_writers'].htmlValue) allBindings['_ko_property_writers'].htmlValue(elementValue);
  265. }}, 1);
  266. });
  267. },
  268. update: function(element, valueAccessor) {
  269. var value = ko.utils.unwrapObservable(valueAccessor()) || "";
  270. if(value.trim() == "" && !app.search.focused()) {
  271. app.search.doBlur();
  272. } else {
  273. if(!fallback) {
  274. element.innerHTML = app.search.render(value, searchRenderers);
  275. if(window.selectIndex != null) {
  276. setCursor(element, window.selectIndex);
  277. }
  278. }
  279. }
  280. }
  281. };