utils.js 11 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. if(data.content.parent) {
  106. var path = '/hbase/api/putUpload/"' + app.cluster() + '"/"' + app.views.tabledata.name() + '"/"' + data.content.parent.row + '"/"' + data.content.name + '"';
  107. var uploader = new qq.FileUploaderBasic({
  108. button: document.getElementById("file-upload-btn"),
  109. action: path,
  110. fileFieldLabel: 'hbase_file',
  111. multiple: false,
  112. onComplete:function (id, fileName, response) {
  113. data.content.reload();
  114. }
  115. });
  116. }
  117. break;
  118. case 'new_row_modal':
  119. $('a.action_addColumnValue').click(function() {
  120. $(this).parent().find("ul").append("<li><input type=\"text\" name=\"column_values\" class=\"ignore\" placeholder = \"family:column_name\"/> <input type=\"text\" name=\"column_values\" class=\"ignore\" placeholder = \"cell_value\"/></li>")
  121. });
  122. break;
  123. case 'new_column_modal':
  124. var uploader = new qq.FileUploaderBasic({
  125. button: document.getElementById("column-upload-btn"),
  126. action: '',
  127. fileFieldLabel: 'hbase_file',
  128. multiple: false,
  129. onComplete:function (id, fileName, response) {
  130. if(response.status == null) {
  131. data.reload();
  132. element.modal('hide');
  133. } else {
  134. $(document).trigger("error", $(response.response).find('div.alert strong').text());
  135. }
  136. },
  137. onSubmit: function() {
  138. uploader._handler._options.action = '/hbase/api/putUpload/"' + app.cluster() + '"/"' + app.views.tabledata.name() + '"/' + prepForTransport(data.row) + '/"' + element.find('#new_column_name').val() + '"';
  139. }
  140. });
  141. break;
  142. }
  143. if(!element.hasClass('in'))
  144. element.modal('show');
  145. logGA(modal.slice(0, modal.indexOf('_modal') != -1 ? modal.indexOf('_modal') : modal.length));
  146. }
  147. function parseXML(xml) {
  148. var parser, xmlDoc;
  149. if (window.DOMParser) {
  150. parser = new DOMParser();
  151. xmlDoc = parser.parseFromString(xml,"text/xml");
  152. }
  153. else {
  154. xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
  155. xmlDoc.async = false;
  156. xmlDoc.loadXML(xml);
  157. }
  158. return new XMLSerializer().serializeToString(xmlDoc);
  159. }
  160. function detectMimeType(data) {
  161. var MIME_TESTS = {
  162. 'text/plain':function(data){return !data;},
  163. 'type/int':function(data){return !isNaN(parseInt(data));},
  164. 'text/json':function(data) {
  165. try {
  166. return JSON.parse(data);
  167. }
  168. catch(err){}
  169. },
  170. 'text/xml':function(data) {
  171. return parseXML(data).indexOf('parsererror') == -1;
  172. }
  173. }
  174. var keys = Object.keys(MIME_TESTS);
  175. for(var i=0;i<keys.length;i++) {
  176. if(MIME_TESTS[keys[i]](data))
  177. return keys[i];
  178. }
  179. //images
  180. var types = ['image/png','image/gif','image/jpg','application/pdf']
  181. var b64 = ['iVBORw','R0lG','/9j/','JVBERi']
  182. try {
  183. var decoded = atob(data).toLowerCase().trim();
  184. for(var i=0;i<types.length;i++) {
  185. var location = decoded.indexOf(types[i].split('/')[1]);
  186. if(location >= 0 && location<10) //stupid guess
  187. return types[i];
  188. }
  189. }
  190. catch(error) {
  191. }
  192. for(var i=0;i<types.length;i++) {
  193. if(data.indexOf(b64[i]) >= 0 && data.indexOf(b64[i]) <= 10)
  194. return types[i];
  195. }
  196. return 'type/null';
  197. }
  198. function convertTimestamp(timestamp) {
  199. var date = new Date(parseInt(timestamp));
  200. return date.toLocaleString();
  201. }
  202. function formatTimestamp(timestamp) {
  203. var date = new Date(parseInt(timestamp));
  204. return date.toUTCString();
  205. }
  206. function resetElements() {
  207. $(window).unbind('scroll');
  208. $(window).scroll(function(e) {
  209. $(".subnav.sticky").each(function() {
  210. var padder = $(this).data('padder'), top = $(this).position().top + (padder ? window.scrollY : 0);
  211. if(padder && top <= padder.position().top) {
  212. $(this).removeClass('subnav-fixed').data('padder').remove();
  213. $(this).removeData('padder');
  214. }
  215. else if(!padder && top <= window.scrollY + $('.navbar').outerHeight()) {
  216. $(this).addClass('subnav-fixed').data('padder',$('<div></div>').insertBefore($(this)).css('height',$(this).outerHeight()));
  217. }
  218. });
  219. });
  220. app.views.tabledata.showGrid(false);
  221. };
  222. function resetSearch() {
  223. app.views.tabledata.searchQuery('');
  224. app.search.cur_input('');
  225. };
  226. function prepForTransport(value) {
  227. value = value.replace(/\"/g,'\\\"').replace(/\//g,'\\/');
  228. if(isNaN(parseInt(value)) && value.trim() != '')
  229. value = '"' + value + '"';
  230. return encodeURIComponent(value);
  231. };
  232. function logGA(postfix) {
  233. if (postfix == null)
  234. postfix = "";
  235. if (typeof trackOnGA == 'function') {
  236. window.setTimeout(function () {
  237. trackOnGA('hbase/' + postfix);
  238. }, 10);
  239. }
  240. };
  241. function table_search(value) {
  242. routie(app.cluster() + '/' + app.views.tabledata.name() +'/query/' + value);
  243. }
  244. function getEditablePosition(contentEditable, trimWhitespaceNodes) {
  245. var el = contentEditable;
  246. if(window.getSelection().getRangeAt(0).startContainer == el) //raw reference for FF fix
  247. return 0;
  248. var index = window.getSelection().getRangeAt(0).startOffset; //ff
  249. var cur_node = window.getSelection().getRangeAt(0).startContainer; //ff
  250. while(cur_node != null && cur_node != el) {
  251. var cur_sib = cur_node.previousSibling || cur_node.previousElementSibling;
  252. while(cur_sib != null) {
  253. var val = $(cur_sib).text() || cur_sib.nodeValue;
  254. if(typeof val !== "undefined" && val != null) {
  255. index += trimWhitespaceNodes ? val.length : val.length;
  256. }
  257. cur_sib = cur_sib.previousSibling;
  258. }
  259. cur_node = cur_node.parentNode;
  260. }
  261. return index;
  262. };
  263. function setCursor(node, pos, trimWhitespaceNodes){
  264. var sel = window.getSelection();
  265. var range = document.createRange();
  266. node = function selectNode(node) {
  267. var nodes = node.childNodes;
  268. if(pos > 0) {
  269. for(var i=0; i<nodes.length; i++) {
  270. var val = trimWhitespaceNodes ? nodes[i].nodeValue.trim() : nodes[i].nodeValue;
  271. if(val) {
  272. if(val.length >= pos) {
  273. return nodes[i];
  274. } else {
  275. pos -= val.length;
  276. }
  277. }
  278. var n = selectNode(nodes[i]);
  279. if (n) return n;
  280. }
  281. }
  282. return false;
  283. }(node);
  284. try {
  285. range.setStart(node, pos);
  286. range.setEnd(node, pos);
  287. range.collapse(true);
  288. sel.removeAllRanges();
  289. sel.addRange(range);
  290. return range;
  291. } catch (err) { }
  292. }
  293. function pullFromRenderer(str, renderer) {
  294. try {
  295. return str.match(renderer.select)[0].match(renderer.tag)[0];
  296. } catch (e){
  297. return "";
  298. }
  299. }
  300. window.selectIndex = null;
  301. var fallback = typeof window.getSelection === "undefined";
  302. ko.bindingHandlers.editableText = {
  303. init: function(element, valueAccessor, allBindingsAccessor) {
  304. $(element).on('keydown', function() {
  305. setTimeout(function() {
  306. var modelValue = valueAccessor();
  307. var elementValue = $(element).text();
  308. if (ko.isWriteableObservable(modelValue) && elementValue != modelValue()) {
  309. if(!fallback)
  310. window.selectIndex = getEditablePosition(element); //firefox does some tricky predictive stuff here
  311. modelValue(elementValue);
  312. }
  313. else { //handle non-observable one-way binding
  314. var allBindings = allBindingsAccessor();
  315. if (allBindings['_ko_property_writers'] && allBindings['_ko_property_writers'].htmlValue) allBindings['_ko_property_writers'].htmlValue(elementValue);
  316. }}, 1);
  317. });
  318. },
  319. update: function(element, valueAccessor) {
  320. var value = ko.utils.unwrapObservable(valueAccessor()) || "";
  321. if(value.trim() == "" && !app.search.focused()) {
  322. app.search.doBlur();
  323. } else {
  324. if(!fallback) {
  325. element.innerHTML = app.search.render(value, searchRenderers);
  326. if(window.selectIndex != null) {
  327. setCursor(element, window.selectIndex);
  328. }
  329. }
  330. }
  331. }
  332. };