utils.js 9.9 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319
  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. var path = '/hbase/api/putUpload/"' + app.cluster() + '"/"' + app.views.tabledata.name() + '"/"' + data.content.parent.row + '"/"' + data.content.name + '"';
  106. var uploader = new qq.FileUploaderBasic({
  107. button: document.getElementById("file-upload-btn"),
  108. action: path,
  109. fileFieldLabel: 'hbase_file',
  110. multiple: false,
  111. onComplete:function (id, fileName, response) {
  112. data.content.reload();
  113. }
  114. });
  115. break;
  116. }
  117. element.modal('show');
  118. logGA(modal.slice(0, modal.indexOf('_modal') != -1 ? modal.indexOf('_modal') : modal.length));
  119. }
  120. function parseXML(xml) {
  121. var parser, xmlDoc;
  122. if (window.DOMParser) {
  123. parser = new DOMParser();
  124. xmlDoc = parser.parseFromString(xml,"text/xml");
  125. }
  126. else {
  127. xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
  128. xmlDoc.async = false;
  129. xmlDoc.loadXML(xml);
  130. }
  131. return new XMLSerializer().serializeToString(xmlDoc);
  132. }
  133. function detectMimeType(data) {
  134. var MIME_TESTS = {
  135. 'type/null':function(data){return !data;},
  136. 'type/int':function(data){return !isNaN(parseInt(data));},
  137. 'text/json':function(data) {
  138. try {
  139. return JSON.parse(data);
  140. }
  141. catch(err){}
  142. },
  143. 'text/xml':function(data) {
  144. return parseXML(data).indexOf('parsererror') == -1;
  145. }
  146. }
  147. var keys = Object.keys(MIME_TESTS);
  148. for(var i=0;i<keys.length;i++) {
  149. if(MIME_TESTS[keys[i]](data))
  150. return keys[i];
  151. }
  152. //images
  153. var types = ['image/png','image/gif','image/jpg','application/pdf']
  154. var b64 = ['iVBORw','R0lG','/9j/','JVBERi']
  155. try {
  156. var decoded = atob(data).toLowerCase().trim();
  157. for(var i=0;i<types.length;i++) {
  158. var location = decoded.indexOf(types[i].split('/')[1]);
  159. if(location >= 0 && location<10) //stupid guess
  160. return types[i];
  161. }
  162. }
  163. catch(error) {
  164. }
  165. for(var i=0;i<types.length;i++) {
  166. if(data.indexOf(b64[i]) >= 0 && data.indexOf(b64[i]) <= 10)
  167. return types[i];
  168. }
  169. return 'type/null';
  170. }
  171. function convertTimestamp(timestamp) {
  172. var date = new Date(parseInt(timestamp)*1000);
  173. return date.getHours() + ":" + date.getMinutes() + ":" + date.getSeconds();
  174. }
  175. function resetElements() {
  176. $(window).unbind('scroll');
  177. $(window).scroll(function(e) {
  178. $(".subnav.sticky").each(function() {
  179. var padder = $(this).data('padder'), top = $(this).position().top + (padder ? window.scrollY : 0);
  180. if(padder && top <= padder.position().top) {
  181. $(this).removeClass('subnav-fixed').data('padder').remove();
  182. $(this).removeData('padder');
  183. }
  184. else if(!padder && top <= window.scrollY + $('.navbar').outerHeight()) {
  185. $(this).addClass('subnav-fixed').data('padder',$('<div></div>').insertBefore($(this)).css('height',$(this).outerHeight()));
  186. }
  187. });
  188. });
  189. resetSearch();
  190. };
  191. function resetSearch() {
  192. app.views.tabledata.searchQuery('');
  193. app.search.cur_input('');
  194. };
  195. function prepForTransport(value) {
  196. value = value.replace(/\"/g,'\\\"').replace(/\//g,'\\/');
  197. if(isNaN(parseInt(value)) && value.trim() != '')
  198. value = '"' + value + '"';
  199. return encodeURIComponent(value);
  200. };
  201. function logGA(postfix) {
  202. if(postfix == null)
  203. postfix = ""
  204. if (typeof trackOnGA == 'function') {
  205. trackOnGA('hbase/' + postfix);
  206. }
  207. };
  208. function table_search(value) {
  209. routie(app.cluster() + '/' + app.views.tabledata.name() +'/query/' + value);
  210. };
  211. function getEditablePosition(contentEditable, trimWhitespaceNodes) {
  212. var el = contentEditable;
  213. if(window.getSelection().getRangeAt(0).startContainer == el) //raw reference for FF fix
  214. return 0;
  215. var index = window.getSelection().getRangeAt(0).startOffset; //ff
  216. var cur_node = window.getSelection().getRangeAt(0).startContainer; //ff
  217. while(cur_node != null && cur_node != el) {
  218. var cur_sib = cur_node.previousSibling || cur_node.previousElementSibling;
  219. while(cur_sib != null) {
  220. var val = $(cur_sib).text() || cur_sib.nodeValue;
  221. if(typeof val !== "undefined" && val != null) {
  222. index += trimWhitespaceNodes ? val.length : val.length;
  223. }
  224. cur_sib = cur_sib.previousSibling;
  225. }
  226. cur_node = cur_node.parentNode;
  227. }
  228. return index;
  229. };
  230. function setCursor(node, pos, trimWhitespaceNodes){
  231. var sel = window.getSelection();
  232. var range = document.createRange();
  233. node = function selectNode(node) {
  234. var nodes = node.childNodes;
  235. if(pos > 0) {
  236. for(var i=0; i<nodes.length; i++) {
  237. var val = trimWhitespaceNodes ? nodes[i].nodeValue.trim() : nodes[i].nodeValue;
  238. if(val) {
  239. if(val.length >= pos) {
  240. return nodes[i];
  241. } else {
  242. pos -= val.length;
  243. }
  244. }
  245. var n = selectNode(nodes[i]);
  246. if (n) return n;
  247. }
  248. }
  249. return false;
  250. }(node);
  251. try {
  252. range.setStart(node, pos);
  253. range.setEnd(node, pos);
  254. range.collapse(true);
  255. sel.removeAllRanges();
  256. sel.addRange(range);
  257. } catch (err) { }
  258. }
  259. function pullFromRenderer(str, renderer) {
  260. try {
  261. return str.match(searchRenderers.rowkey.nested.scan.select)[0].match(searchRenderers.rowkey.nested.scan.tag)[0];
  262. } catch (e){
  263. return "";
  264. }
  265. }
  266. window.selectIndex = null;
  267. var fallback = typeof window.getSelection === "undefined";
  268. ko.bindingHandlers.editableText = {
  269. init: function(element, valueAccessor, allBindingsAccessor) {
  270. $(element).on('keydown', function() {
  271. setTimeout(function() {
  272. var modelValue = valueAccessor();
  273. var elementValue = $(element).text();
  274. if (ko.isWriteableObservable(modelValue) && elementValue != modelValue()) {
  275. if(!fallback)
  276. window.selectIndex = getEditablePosition(element); //firefox does some tricky predictive stuff here
  277. modelValue(elementValue);
  278. }
  279. else { //handle non-observable one-way binding
  280. var allBindings = allBindingsAccessor();
  281. if (allBindings['_ko_property_writers'] && allBindings['_ko_property_writers'].htmlValue) allBindings['_ko_property_writers'].htmlValue(elementValue);
  282. }}, 1);
  283. });
  284. },
  285. update: function(element, valueAccessor) {
  286. var value = ko.utils.unwrapObservable(valueAccessor()) || "";
  287. if(value.trim() == "" && !app.search.focused()) {
  288. app.search.doBlur();
  289. } else {
  290. if(!fallback) {
  291. element.innerHTML = app.search.render(value, searchRenderers);
  292. if(window.selectIndex != null) {
  293. setCursor(element, window.selectIndex);
  294. }
  295. }
  296. }
  297. }
  298. };