controls.js 22 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 searchRenderers = {
  17. 'rowkey': { //class to tag selection
  18. select: /[^\,\{\[]+(([\{\[][^\}\]]+[\}\]])+|)([^\,]+|)/g, //select the substring to process, useful as JS has no lookbehinds old: ([^,]+\[([^,]+(,|)+)+\]|[^,]+)
  19. tag: /.+/g, //select the matches to wrap with tags
  20. nested: {
  21. 'scan': { select: /\+[0-9 ]+/g, tag: /.+/g},
  22. 'columns': { select: /\[.+\]/g, tag: /[^:,\[\]]+:([^,\[\]]+|)/g}, //forced to do this select due to lack of lookbehinds /[\[\]]/g
  23. 'prefix': { select: /[^\*]+\*/g, tag: /\*/g},
  24. 'filter': {
  25. select: /\{[^\{\}]+\}/,
  26. tag:/.+/g,
  27. nested: {
  28. 'linker': {
  29. select: /AND|OR|SKIP|WHILE/g,
  30. tag: /.+/g
  31. }/*,
  32. 'compare_op': {
  33. select: /[\<\=\!\>]{1,2}/g,
  34. tag: /.+/g
  35. }*/ //will be added eventually after html bug is figured out
  36. }
  37. }
  38. }
  39. }
  40. };
  41. var DataTableViewModel = function(options) {
  42. var self = this, _defaults = {
  43. name: '',
  44. columns: [],
  45. items: [],
  46. reload: function() {
  47. },
  48. el:''
  49. };
  50. options = ko.utils.extend(_defaults,options);
  51. ListViewModel.apply(this, [options]);
  52. self.name = ko.observable(options.name);
  53. self.searchQuery.subscribe(function(value) {
  54. self._table.fnFilter(value);
  55. });
  56. self.columns = ko.observableArray(options.columns);
  57. self._el = $('table[data-datasource="' + options.el + '"]');
  58. self._table = null;
  59. self._initTable = function() {
  60. if(!self._table) {
  61. self._table = self._el.dataTable({
  62. "aoColumnDefs": [ { "bSortable": false, "aTargets": [ 0 ] }
  63. ],
  64. "sDom": 'tr',//this has to be in, change to sDom so you can call filter()
  65. 'bAutoWidth':false,
  66. "iDisplayLength": -1});
  67. return self._table;
  68. }
  69. };
  70. self.sort = function(viewModel, event) {
  71. var el = $(event.currentTarget);
  72. };
  73. var _reload = self.reload;
  74. self.reload = function(callback) {
  75. logGA('view_cluster');
  76. if(self._table) {
  77. self._table.fnClearTable();
  78. self._table.fnDestroy();
  79. self._table = null;
  80. }
  81. _reload(function() {
  82. self._initTable();
  83. if(callback!=null)
  84. callback();
  85. });
  86. };
  87. self.canDrop = ko.computed(function() {
  88. var selected = self.selected();
  89. if(selected.length <= 0) return false;
  90. for(var i=0; i<selected.length; i++) {
  91. if(selected[i].enabled()) return false;
  92. }
  93. return true;
  94. });
  95. self.canDisable = ko.computed(function() {
  96. var selected = self.selected();
  97. if(selected.length <= 0) return false;
  98. for(var i=0; i<selected.length; i++) {
  99. if(!selected[i].enabled()) return false;
  100. }
  101. return true;
  102. });
  103. self.canEnable = ko.computed(function() {
  104. var selected = self.selected();
  105. if(selected.length <= 0) return false;
  106. for(var i=0; i<selected.length; i++) {
  107. if(selected[i].enabled()) return false;
  108. }
  109. return true;
  110. });
  111. };
  112. //a Listview of Listviews
  113. var SmartViewModel = function(options) {
  114. var self = this;
  115. options = ko.utils.extend({
  116. name: '',
  117. items: [],
  118. reload: function() {
  119. },
  120. el:'',
  121. sortFields: {
  122. 'Row Key': function(a, b) {
  123. return a.row.localeCompare(b.row);
  124. },
  125. 'Column Count': function(a, b) {
  126. a = a.items().length;
  127. b = b.items().length;
  128. if(a > b)
  129. return 1;
  130. if(a < b)
  131. return -1;
  132. return 0;
  133. },
  134. 'Row Key Length': function(a, b) {
  135. a = a.row.length;
  136. b = b.row.length;
  137. if(a > b)
  138. return 1;
  139. if(a < b)
  140. return -1;
  141. return 0;
  142. }
  143. }
  144. }, options);
  145. ListViewModel.apply(this, [options]); //items: [ListView.items[],ListView.items[]]
  146. self.columnFamilies = ko.observableArray();
  147. self.name = ko.observable(options.name);
  148. self.name.subscribe(function(){
  149. self.querySet.removeAll();
  150. self.querySet.push(new QuerySetPeice({
  151. 'row_key': 'null',
  152. 'scan_length': 10,
  153. 'prefix': 'false'
  154. }));
  155. self._reloadcfs();
  156. }); //fix and decouple
  157. self.lastReloadTime = ko.observable(1);
  158. //self.columnFamilies.subscribe(function(){self.reload();});
  159. self.searchQuery.subscribe(function goToRow(value) //make this as nice as the renderfucnction and split into two, also fire not down on keyup events
  160. {
  161. var inputs = value.match(searchRenderers['rowkey']['select']);
  162. self.querySet.removeAll();
  163. for(var i=0; i<inputs.length; i++) {
  164. if(inputs[i].trim() != "" && inputs[i].trim() != ',') {
  165. var p = inputs[i].split('+');
  166. var scan = p.length > 1 ? parseInt(p[1].trim()) : 0;
  167. var extract = inputs[i].match(searchRenderers['rowkey']['nested']['columns']['select']);
  168. var columns = extract != null ? extract[0].match(searchRenderers['rowkey']['nested']['columns']['tag']) : [];
  169. var filter = inputs[i].match(searchRenderers['rowkey']['nested']['filter']['select']);
  170. self.querySet.push(new QuerySetPeice({
  171. 'row_key': p[0].replace(/[\[\{].+[\]\}]|\*/g,'').trim(), //clean up with column regex selectors instead
  172. 'scan_length': scan ? scan + 1 : 1,
  173. 'columns': columns,
  174. 'prefix': inputs[i].match(searchRenderers['rowkey']['nested']['prefix']['select']) != null,
  175. 'filter': filter != null && filter.length > 0 ? escape(filter[0].slice(1, -1)) : null
  176. }));
  177. }
  178. }
  179. routie(app.cluster() + '/' + app.views.tabledata.name() +'/query/' + value);
  180. self.evaluateQuery();
  181. });
  182. self._reloadcfs = function() {
  183. return API.queryTable("getColumnDescriptors").done(function(data) {
  184. self.columnFamilies.removeAll();
  185. var keys = Object.keys(data);
  186. for(var i=0;i<keys.length;i++) {
  187. self.columnFamilies.push(new ColumnFamily({name:keys[i], enabled:false}));
  188. }
  189. self.reload();
  190. });
  191. };
  192. self.columnQuery = ko.observable("");
  193. self.columnQuery.subscribe(function(query) {
  194. $(self.items()).each(function() {
  195. this.searchQuery(query);
  196. });
  197. });
  198. self.rows = ko.computed(function() {
  199. var a = [];
  200. var items = this.items();
  201. for(var i=0; i<items.length; i++) {
  202. a.push(items[i].row);
  203. }
  204. return a;
  205. }, self);
  206. self.querySet = ko.observableArray();
  207. self.validateQuery = function() {
  208. $(self.querySet()).each(function() {
  209. this.validate();
  210. this.editing(false);
  211. });
  212. };
  213. self.addQuery = function() {
  214. self.validateQuery();
  215. self.querySet.push(new QuerySetPeice({onValidate: function() {
  216. //self.reload();
  217. }}))
  218. };
  219. self.evaluateQuery = function(callback) {
  220. self.validateQuery();
  221. self.reload(callback);
  222. };
  223. var _reload = self.reload;
  224. self.reload = function(callback) {
  225. logGA('view_table');
  226. var queryStart = new Date();
  227. _reload(function() {
  228. self.lastReloadTime((new Date() - queryStart)/1000);
  229. if(callback!=null)
  230. callback();
  231. self.isLoading(false);
  232. });
  233. };
  234. self.truncateLimit = ko.observable(1500);
  235. };
  236. var SmartViewDataRow = function(options) {
  237. var self = this;
  238. options = ko.utils.extend({
  239. sortFields: {
  240. 'Column Family': function(a, b) {
  241. return a.name.localeCompare(b.name);
  242. },
  243. 'Column Name': function(a, b) {
  244. return a.name.split(':')[1].localeCompare(b.name.split(':')[1]);
  245. },
  246. 'Cell Value': function(a, b) {
  247. a = a.value.length;
  248. b = b.value.length;
  249. if(a > b)
  250. return 1;
  251. if(a < b)
  252. return -1;
  253. return 0;
  254. },
  255. 'Timestamp': function(a, b) {
  256. a = parseInt(a.timestamp);
  257. b = parseInt(b.timestamp);
  258. if(a > b)
  259. return 1;
  260. if(a < b)
  261. return -1;
  262. return 0;
  263. },
  264. 'MIME Type': function() {
  265. },
  266. 'Column Name Length': function(a, b) {
  267. a = a.name.split(':')[1].length;
  268. b = b.name.split(':')[1].length;
  269. if(a > b)
  270. return 1;
  271. if(a < b)
  272. return -1;
  273. return 0;
  274. }
  275. }
  276. }, options);
  277. DataRow.apply(self,[options]);
  278. ListViewModel.apply(self,[options]);
  279. self.displayedItems = ko.observableArray();
  280. self.displayRangeStart = 0;
  281. self.displayRangeLength = 20;
  282. self.items.subscribe(function() {
  283. self.displayedItems([]);
  284. self.updateDisplayedItems();
  285. });
  286. self.searchQuery.subscribe(function(searchValue) {
  287. self.scrollLoadSource = ko.computed(function(){
  288. return self.items().filter(function(column) {
  289. return column.name.toLowerCase().indexOf(searchValue.toLowerCase()) != -1;
  290. });
  291. });
  292. self.displayRangeLength = 20;
  293. self.updateDisplayedItems();
  294. });
  295. self.scrollLoadSource = self.items;
  296. self.updateDisplayedItems = function() {
  297. var x = self.displayRangeStart;
  298. self.displayedItems(self.scrollLoadSource().slice(x, x + self.displayRangeLength));
  299. };
  300. self.resetScrollLoad = function() {
  301. self.scrollLoadSource = self.items;
  302. self.updateDisplayedItems();
  303. };
  304. self.toggleSelectedCollapse = function() {
  305. if(self.displayedItems().length == self.displayRangeStart + self.displayRangeLength) {
  306. self.displayedItems(self.displayedItems().filter(function(item) {
  307. return item.isSelected();
  308. }));
  309. self.scrollLoadSource = self.displayedItems;
  310. }
  311. else {
  312. self.resetScrollLoad();
  313. }
  314. };
  315. self.onScroll = function(target, ev) {
  316. if($(ev.target).scrollLeft() == ev.target.scrollWidth - ev.target.clientWidth && self.displayedItems().length < self.scrollLoadSource().length) {
  317. self.displayRangeLength += 15;
  318. self.updateDisplayedItems();
  319. }
  320. };
  321. self.drop = function(cont) {
  322. function doDrop() {
  323. self.isLoading(true);
  324. return API.queryTable('deleteAllRow', self.row, "{}").complete(function() {
  325. app.views.tabledata.items.remove(self); //decouple later
  326. self.isLoading(false);
  327. });
  328. }
  329. (cont === true) ? doDrop() : confirm("Confirm Delete", 'Delete row ' + self.row + '? (This cannot be undone)', doDrop);
  330. };
  331. self.setItems = function(cols) {
  332. var colKeys = Object.keys(cols);
  333. var items = [];
  334. for(var q=0; q<colKeys.length; q++) {
  335. items.push(new ColumnRow({name: colKeys[q],
  336. timestamp: cols[colKeys[q]].timestamp,
  337. value: cols[colKeys[q]].value,
  338. parent: self}));
  339. }
  340. self.items(items);
  341. return self.items();
  342. };
  343. self.selectAllVisible = function(){
  344. for(t=0; t<self.displayedItems().length; t++)
  345. self.displayedItems()[t].isSelected(true);
  346. return self;
  347. };
  348. self.toggleSelectAllVisible = function() {
  349. if(self.selected().length != self.displayedItems().length)
  350. return self.selectAllVisible();
  351. return self.deselectAll();
  352. };
  353. self.push = function(item) {
  354. var column = new ColumnRow(item);
  355. self.items.push(column);
  356. };
  357. var _reload = self.reload;
  358. self.reload = function(callback) {
  359. logGA('get_row');
  360. _reload(function() {
  361. if(callback!=null)
  362. callback();
  363. self.isLoading(false);
  364. });
  365. };
  366. };
  367. var ColumnRow = function(options) {
  368. var self = this;
  369. ko.utils.extend(self,options);
  370. DataRow.apply(self,[options]);
  371. self.value = ko.observable(self.value);
  372. self.history = new CellHistoryPage({row: self.parent.row, column: self.name, timestamp: self.timestamp, items: []});
  373. self.drop = function(cont) {
  374. function doDrop() {
  375. logGA('filter_columns');
  376. self.parent.isLoading(true);
  377. return API.queryTable('deleteColumn', self.parent.row, self.name).done(function(data) {
  378. self.parent.items.remove(self);
  379. if(self.parent.items().length > 0)
  380. self.parent.reload(); //change later
  381. self.parent.isLoading(false);
  382. });
  383. }
  384. (cont === true) ? doDrop() : confirm("Confirm Delete", "Are you sure you want to drop this column?", doDrop);
  385. };
  386. self.reload = function(callback, skipPut) {
  387. self.isLoading(true);
  388. API.queryTable('get', self.parent.row, self.name, 'null').done(function(data) {
  389. if(data.length > 0 && !skipPut)
  390. self.value(data[0].value);
  391. if(typeof callback !== "undefined" && callback != null)
  392. callback();
  393. self.isLoading(false);
  394. });
  395. };
  396. self.value.subscribe(function(value) {
  397. //change transport prep to object wrapper
  398. logGA('put_column');
  399. API.queryTable('putColumn', self.parent.row, self.name, "hbase-post-key-" + JSON.stringify(value)).done(function(data) {
  400. self.reload(function(){}, true);
  401. });
  402. self.editing(false);
  403. });
  404. self.editing = ko.observable(false);
  405. self.isLoading = ko.observable(false); //move to baseclass
  406. };
  407. var SortDropDownView = function(options) {
  408. var self = this;
  409. options = ko.utils.extend({
  410. sortFields: {},
  411. target: null
  412. }, options);
  413. BaseModel.apply(self,[options]);
  414. self.target = options.target;
  415. self.sortAsc = ko.observable(true);
  416. self.sortAsc.subscribe(function(){self.sort()});
  417. self.sortField = ko.observable("");
  418. self.sortField.subscribe(function(){self.sort()});
  419. self.sortFields = ko.observableArray(Object.keys(options.sortFields)); // change to ko.computed?
  420. self.sortFunctionHash = ko.observable(options.sortFields);
  421. self.toggleSortMode = function() {
  422. self.sortAsc(!self.sortAsc());
  423. };
  424. self.sort = function() {
  425. if (!self.target || !(self.sortFields().length > 0)) return;
  426. self.target.sort(function(a, b) {
  427. return (self.sortAsc() ? 1 : -1) * self.sortFunctionHash()[self.sortField() ? self.sortField() : self.sortFields()[0]](a,b); //all sort functions must sort by ASC for default
  428. });
  429. };
  430. };
  431. var TableDataRow = function(options) {
  432. var self = this;
  433. options = ko.utils.extend({
  434. name:"",
  435. enabled:true
  436. }, options);
  437. DataRow.apply(self,[options]);
  438. self.name = options['name'];
  439. self.enabled = ko.observable(options['enabled']);
  440. self.toggle = function(viewModel,event){
  441. var action = ['enable','disable'][self.enabled() << 0], el = $(event.currentTarget);
  442. confirm("Confirm "+action, "Are you sure you want to " + action + " this table?", function() //gotta i18n this!
  443. {
  444. el.showIndicator();
  445. return self[action](el).complete(function() {
  446. el.hideIndicator();
  447. });
  448. });
  449. };
  450. self.enable = function(el) {
  451. return API.queryCluster('enableTable',self.name).complete(function() {
  452. self.enabled(true);
  453. });
  454. };
  455. self.disable = function(el) {
  456. return API.queryCluster('disableTable',self.name).complete(function() {
  457. self.enabled(false);
  458. });
  459. };
  460. self.drop = function(el) {
  461. return API.queryCluster('deleteTable',self.name);
  462. };
  463. };
  464. var QuerySetPeice = function(options) {
  465. var self = this;
  466. options = ko.utils.extend({
  467. row_key: "null",
  468. scan_length: 1,
  469. prefix: false,
  470. columns: [],
  471. filter: null,
  472. onValidate: function(){}
  473. }, options);
  474. BaseModel.apply(self,[options]);
  475. self.row_key = ko.observable(options.row_key);
  476. self.scan_length = ko.observable(options.scan_length);
  477. self.columns = ko.observableArray(options.columns);
  478. self.prefix = ko.observable(options.prefix);
  479. self.filter = ko.observable(options.filter);
  480. self.editing = ko.observable(true);
  481. self.validate = function() {
  482. if(self.scan_length() <= 0 || self.row_key() == "")
  483. return app.views.tabledata.querySet.remove(self); //change later
  484. return options.onValidate();
  485. };
  486. self.row_key.subscribe(self.validate.bind());
  487. self.scan_length.subscribe(self.validate.bind());
  488. };
  489. var ColumnFamily = function(options) {
  490. this.name = options.name;
  491. this.enabled = ko.observable(options.enabled);
  492. this.toggle = function() {
  493. this.enabled(!this.enabled());
  494. app.views.tabledata.reload();
  495. };
  496. }
  497. //tagsearch
  498. var tagsearch = function() {
  499. var self = this;
  500. self.tags = ko.observableArray();
  501. self.mode = ko.observable('idle');
  502. self.cur_input = ko.observable('');
  503. self.hints = ko.observableArray([ {
  504. hint: 'End Query',
  505. shortcut: ',',
  506. mode: ['rowkey', 'prefix', 'scan'],
  507. selected: false
  508. }, {
  509. hint: 'Mark Row Prefix',
  510. shortcut: '*',
  511. mode: ['rowkey'],
  512. selected: false
  513. }, {
  514. hint: 'Start Scan',
  515. shortcut: '+',
  516. mode: ['rowkey', 'prefix'],
  517. selected: false
  518. }, {
  519. hint: 'Start Select Columns',
  520. shortcut: '[',
  521. mode: ['rowkey', 'prefix'],
  522. selected: false
  523. }, {
  524. hint: 'End Column/Family',
  525. shortcut: ',',
  526. mode: ['columns'],
  527. selected: false
  528. }, {
  529. hint: 'End Select Columns',
  530. shortcut: ']',
  531. mode: ['columns'],
  532. selected: false
  533. },
  534. {
  535. hint: 'Start FilterString',
  536. shortcut: '{',
  537. mode: ['rowkey'],
  538. selected: false
  539. },
  540. {
  541. hint: 'End FilterString',
  542. shortcut: '}',
  543. mode: ['filter'],
  544. selected: false
  545. }
  546. ]);
  547. self.activeHints = ko.computed(function() {
  548. var ret = [];
  549. $(self.hints()).each(function(i, hint) {
  550. if (hint.mode.indexOf(self.mode()) > -1)
  551. ret.push(hint);
  552. });
  553. return ret;
  554. });
  555. self.activeHint = ko.observable(-1);
  556. self.modes = {
  557. 'rowkey': {
  558. hint: 'Row Key Value',
  559. type: 'String'
  560. },
  561. 'scan': {
  562. hint: 'Length of Scan or Row Key',
  563. type: 'Integer'
  564. },
  565. 'columns': {
  566. hint: 'Column Family: Column Name',
  567. type: 'String'
  568. },
  569. 'prefix': {
  570. hint: 'Rows starting with',
  571. type: 'String'
  572. },
  573. 'filter': {
  574. hint: 'Thrift FilterString',
  575. type: 'String'
  576. }
  577. }
  578. self.modeQueue = ['idle'];
  579. self.focused = ko.observable(false);
  580. self.insertTag = function(tag) {
  581. var mode = tag.indexOf('+') != -1 ? 'scan' : 'rowkey';
  582. var tag = {value: tag, tag: mode} //parse mode
  583. self.tags.push(tag);
  584. }
  585. self.render = function(input, renderers) {
  586. var keys = Object.keys(renderers);
  587. for(var i=0; i<keys.length; i++) {
  588. input = input.replace(renderers[keys[i]].select, function(selected) {
  589. var hasMatched = false;
  590. var processed = selected.replace(renderers[keys[i]].tag, function(tagged) {
  591. hasMatched = true;
  592. return "<span class='" + keys[i] + " tagsearchTag' title='" + keys[i] + "' data-toggle='tooltip'>" + ('nested' in renderers[keys[i]] ? self.render(tagged, renderers[keys[i]].nested) : tagged) + "</span>";
  593. });
  594. if(hasMatched && renderers[keys[i]]['strip'])
  595. processed = processed.replace(renderers[keys[i]].strip, '');
  596. return processed;
  597. });
  598. }
  599. return input;
  600. };
  601. self.updateMode = function(value) {
  602. var selection = value.slice(0, self.selectionEnd());
  603. var endindex = selection.slice(selection.lastIndexOf(',')).indexOf(',');
  604. if(endindex == -1) endindex = selection.length;
  605. var lastbit = value.substring(selection.lastIndexOf(','), endindex).trim();
  606. if(lastbit == "," || lastbit == "") {
  607. self.mode('idle');
  608. return;
  609. }
  610. var tokens = "[]+,*{}";
  611. var m = 'rowkey';
  612. for(var i=selection.length - 1; i>=0; i--) {
  613. if(tokens.indexOf(selection[i]) != -1) {
  614. if(selection[i] == '{')
  615. m = 'filter';
  616. else if(selection[i] == '[')
  617. m = 'columns';
  618. else if(selection[i] == ']' || selection[i] == '}')
  619. m = 'rowkey';
  620. else if(selection[i] == '+')
  621. m = 'scan';
  622. else if(selection[i] == '-')
  623. m = 'prefix';
  624. break;
  625. }
  626. }
  627. self.mode(m.trim());
  628. };
  629. self.selectionStart = ko.observable(0);
  630. self.selectionEnd = ko.observable(0);
  631. self.hintText = ko.computed(function() {
  632. var value = self.cur_input();
  633. var selection = value.slice(0, self.selectionEnd());
  634. var index = selection.lastIndexOf(',') + 1;
  635. var endindex = value.slice(index).indexOf(',');
  636. endindex = endindex == -1 ? value.length : endindex;
  637. var pre = value.substring(index, index + endindex);
  638. var s = self.selectionStart() - index, e = self.selectionEnd() - index;
  639. if(s == e)
  640. e += 1;
  641. s = s < 0 ? 0 : s;
  642. e = e > pre.length ? pre.length : e;
  643. return pre.slice(0, s) + "<span class='selection'>" + pre.slice(s, e) + "</span>" + pre.slice(e);
  644. });
  645. self.onKeyDown = function(target, ev) {
  646. if(ev.keyCode == 13 && self.cur_input().slice(self.cur_input().lastIndexOf(',')).trim() != ",") {
  647. self.evaluate();
  648. return false;
  649. }
  650. setTimeout(self.updateMenu, 1);
  651. return true;
  652. };
  653. self.updateMenu = function() {
  654. try{
  655. var pos = getEditablePosition(document.getElementById('search-tags'));
  656. self.selectionStart(pos);
  657. self.selectionEnd(pos);
  658. } catch (err) {}
  659. self.updateMode(self.cur_input());
  660. };
  661. self.evaluate = function() {
  662. app.views.tabledata.searchQuery(self.cur_input());
  663. };
  664. $('#search-tags').blur(function(){
  665. self.focused(false);
  666. });
  667. self.doBlur = function() {
  668. if(self.cur_input().trim() == "") {
  669. function doClick() {
  670. $('#search-tags').html('');
  671. setTimeout(function() {
  672. $('#search-tags').focus();
  673. }, 1);
  674. }
  675. $('#search-tags').html('<small>' + $('#search-tags').data("placeholder") + '</small>').one('click', doClick).find('small').on('mousedown', doClick);
  676. }
  677. }
  678. $('#search-tags').focus(function(){
  679. self.focused(true);
  680. });
  681. };
  682. var CellHistoryPage = function(options) {
  683. var self = this;
  684. self.items = ko.observableArray(options.items);
  685. self.loading = ko.observable(false);
  686. self.reload = function(timestamp, append) {
  687. if(!timestamp)
  688. timestamp = options.timestamp
  689. API.queryTable("getVerTs", options.row, options.column, timestamp, 10, 'null').done(function(res) {
  690. self.loading = ko.observable(true);
  691. if(!append)
  692. self.items(res);
  693. else
  694. self.items(self.items() + res);
  695. self.loading = ko.observable(false);
  696. });
  697. };
  698. };