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._reloadcfs();
  150. if(app.station() == 'table')
  151. return;
  152. self.querySet.removeAll();
  153. self.evaluateQuery();
  154. }); //fix and decouple
  155. self.lastReloadTime = ko.observable(1);
  156. self.searchQuery.subscribe(function goToRow(value) //make this as nice as the renderfucnction and split into two, also fire not down on keyup events
  157. {
  158. if(app.station() != 'table')
  159. return;
  160. if(value.replace(/\s/g, "") == '' || value == null)
  161. routie(app.cluster() + '/' + app.views.tabledata.name());
  162. var inputs = value.match(searchRenderers['rowkey']['select']);
  163. self.querySet.removeAll();
  164. if(inputs) {
  165. for(var i=0; i<inputs.length; i++) {
  166. if(inputs[i].trim() != "" && inputs[i].trim() != ',') {
  167. var p = inputs[i].split('+');
  168. var scan = p.length > 1 ? parseInt(p[1].trim()) : 0;
  169. var extract = inputs[i].match(searchRenderers['rowkey']['nested']['columns']['select']);
  170. var columns = extract != null ? extract[0].match(searchRenderers['rowkey']['nested']['columns']['tag']) : [];
  171. var filter = inputs[i].match(searchRenderers['rowkey']['nested']['filter']['select']);
  172. self.querySet.push(new QuerySetPiece({
  173. 'row_key': p[0].replace(/[\[\{].+[\]\}]|\*/g,'').trim(), //clean up with column regex selectors instead
  174. 'scan_length': scan ? scan + 1 : 1,
  175. 'columns': columns,
  176. 'prefix': inputs[i].match(searchRenderers['rowkey']['nested']['prefix']['select']) != null,
  177. 'filter': filter != null && filter.length > 0 ? escape(filter[0].slice(1, -1)) : null
  178. }));
  179. }
  180. }
  181. }
  182. self.evaluateQuery();
  183. });
  184. self._reloadcfs = function() {
  185. return API.queryTable("getColumnDescriptors").done(function(data) {
  186. self.columnFamilies.removeAll();
  187. var keys = Object.keys(data);
  188. for(var i=0;i<keys.length;i++) {
  189. self.columnFamilies.push(new ColumnFamily({name:keys[i], enabled:false}));
  190. }
  191. self.reload();
  192. });
  193. };
  194. self.columnQuery = ko.observable("");
  195. self.columnQuery.subscribe(function(query) {
  196. $(self.items()).each(function() {
  197. table_search(query);
  198. });
  199. });
  200. self.rows = ko.computed(function() {
  201. var a = [];
  202. var items = this.items();
  203. for(var i=0; i<items.length; i++) {
  204. a.push(items[i].row);
  205. }
  206. return a;
  207. }, self);
  208. self.querySet = ko.observableArray();
  209. self.validateQuery = function() {
  210. if(self.querySet().length == 0) {
  211. self.querySet.push(new QuerySetPiece({
  212. 'row_key': 'null',
  213. 'scan_length': 10,
  214. 'prefix': 'false'
  215. }));
  216. } else {
  217. $(self.querySet()).each(function() {
  218. this.validate();
  219. this.editing(false);
  220. });
  221. }
  222. };
  223. self.addQuery = function() {
  224. self.validateQuery();
  225. self.querySet.push(new QuerySetPiece({onValidate: function() {
  226. //self.reload();
  227. }}))
  228. };
  229. self.evaluateQuery = function(callback) {
  230. self.validateQuery();
  231. self.reload(callback);
  232. };
  233. var _reload = self.reload;
  234. self.reload = function(callback) {
  235. logGA('view_table');
  236. var queryStart = new Date();
  237. _reload(function() {
  238. self.lastReloadTime((new Date() - queryStart)/1000);
  239. if(callback!=null)
  240. callback();
  241. self.isLoading(false);
  242. });
  243. };
  244. self.truncateLimit = ko.observable(1500);
  245. };
  246. var SmartViewDataRow = function(options) {
  247. var self = this;
  248. options = ko.utils.extend({
  249. sortFields: {
  250. 'Column Family': function(a, b) {
  251. return a.name.localeCompare(b.name);
  252. },
  253. 'Column Name': function(a, b) {
  254. return a.name.split(':')[1].localeCompare(b.name.split(':')[1]);
  255. },
  256. 'Cell Size': function(a, b) {
  257. a = a.value().length;
  258. b = b.value().length;
  259. if(a > b)
  260. return 1;
  261. if(a < b)
  262. return -1;
  263. return 0;
  264. },
  265. 'Cell Value': function(a, b) {
  266. return a.value().localeCompare(b.value());
  267. },
  268. 'Timestamp': function(a, b) {
  269. a = parseInt(a.timestamp);
  270. b = parseInt(b.timestamp);
  271. if(a > b)
  272. return 1;
  273. if(a < b)
  274. return -1;
  275. return 0;
  276. },
  277. 'Column Name Length': function(a, b) {
  278. a = a.name.split(':')[1].length;
  279. b = b.name.split(':')[1].length;
  280. if(a > b)
  281. return 1;
  282. if(a < b)
  283. return -1;
  284. return 0;
  285. }
  286. }
  287. }, options);
  288. DataRow.apply(self,[options]);
  289. ListViewModel.apply(self,[options]);
  290. self.displayedItems = ko.observableArray();
  291. self.displayRangeStart = 0;
  292. self.displayRangeLength = 20;
  293. self.items.subscribe(function() {
  294. self.displayedItems([]);
  295. self.updateDisplayedItems();
  296. });
  297. self.searchQuery.subscribe(function(searchValue) {
  298. self.scrollLoadSource = ko.computed(function(){
  299. return self.items().filter(function(column) {
  300. return column.name.toLowerCase().indexOf(searchValue.toLowerCase()) != -1;
  301. });
  302. });
  303. self.displayRangeLength = 20;
  304. self.updateDisplayedItems();
  305. });
  306. self.scrollLoadSource = self.items;
  307. self.updateDisplayedItems = function() {
  308. var x = self.displayRangeStart;
  309. self.displayedItems(self.scrollLoadSource().slice(x, x + self.displayRangeLength));
  310. };
  311. self.resetScrollLoad = function() {
  312. self.scrollLoadSource = self.items;
  313. self.updateDisplayedItems();
  314. };
  315. self.toggleSelectedCollapse = function() {
  316. if(self.displayedItems().length == self.displayRangeStart + self.displayRangeLength) {
  317. self.displayedItems(self.displayedItems().filter(function(item) {
  318. return item.isSelected();
  319. }));
  320. self.scrollLoadSource = self.displayedItems;
  321. }
  322. else {
  323. self.resetScrollLoad();
  324. }
  325. };
  326. self.onScroll = function(target, ev) {
  327. if($(ev.target).scrollLeft() == ev.target.scrollWidth - ev.target.clientWidth && self.displayedItems().length < self.scrollLoadSource().length) {
  328. self.displayRangeLength += 15;
  329. self.updateDisplayedItems();
  330. }
  331. };
  332. self.drop = function(cont) {
  333. function doDrop() {
  334. self.isLoading(true);
  335. return API.queryTable('deleteAllRow', self.row, "{}").complete(function() {
  336. app.views.tabledata.items.remove(self); //decouple later
  337. self.isLoading(false);
  338. });
  339. }
  340. (cont === true) ? doDrop() : confirm("Confirm Delete", 'Delete row ' + self.row + '? (This cannot be undone)', doDrop);
  341. };
  342. self.setItems = function(cols) {
  343. var colKeys = Object.keys(cols);
  344. var items = [];
  345. for(var q=0; q<colKeys.length; q++) {
  346. items.push(new ColumnRow({name: colKeys[q],
  347. timestamp: cols[colKeys[q]].timestamp,
  348. value: cols[colKeys[q]].value,
  349. parent: self}));
  350. }
  351. self.items(items);
  352. return self.items();
  353. };
  354. self.selectAllVisible = function(){
  355. for(t=0; t<self.displayedItems().length; t++)
  356. self.displayedItems()[t].isSelected(true);
  357. return self;
  358. };
  359. self.toggleSelectAllVisible = function() {
  360. if(self.selected().length != self.displayedItems().length)
  361. return self.selectAllVisible();
  362. return self.deselectAll();
  363. };
  364. self.push = function(item) {
  365. var column = new ColumnRow(item);
  366. self.items.push(column);
  367. };
  368. var _reload = self.reload;
  369. self.reload = function(callback) {
  370. logGA('get_row');
  371. _reload(function() {
  372. if(callback!=null)
  373. callback();
  374. self.isLoading(false);
  375. });
  376. };
  377. };
  378. var ColumnRow = function(options) {
  379. var self = this;
  380. ko.utils.extend(self,options);
  381. DataRow.apply(self,[options]);
  382. self.value = ko.observable(self.value);
  383. self.history = new CellHistoryPage({row: self.parent.row, column: self.name, timestamp: self.timestamp, items: []});
  384. self.drop = function(cont) {
  385. function doDrop() {
  386. logGA('filter_columns');
  387. self.parent.isLoading(true);
  388. return API.queryTable('deleteColumn', self.parent.row, self.name).done(function(data) {
  389. self.parent.items.remove(self);
  390. if(self.parent.items().length > 0)
  391. self.parent.reload(); //change later
  392. self.parent.isLoading(false);
  393. });
  394. }
  395. (cont === true) ? doDrop() : confirm("Confirm Delete", "Are you sure you want to drop this column?", doDrop);
  396. };
  397. self.reload = function(callback, skipPut) {
  398. self.isLoading(true);
  399. API.queryTable('get', self.parent.row, self.name, 'null').done(function(data) {
  400. if(data.length > 0 && !skipPut)
  401. self.value(data[0].value);
  402. if(typeof callback !== "undefined" && callback != null)
  403. callback();
  404. self.isLoading(false);
  405. });
  406. };
  407. self.value.subscribe(function(value) {
  408. //change transport prep to object wrapper
  409. logGA('put_column');
  410. API.queryTable('putColumn', self.parent.row, self.name, "hbase-post-key-" + JSON.stringify(value)).done(function(data) {
  411. self.reload(function(){}, true);
  412. });
  413. self.editing(false);
  414. });
  415. self.editing = ko.observable(false);
  416. self.isLoading = ko.observable(false); //move to baseclass
  417. };
  418. var SortDropDownView = function(options) {
  419. var self = this;
  420. options = ko.utils.extend({
  421. sortFields: {},
  422. target: null
  423. }, options);
  424. BaseModel.apply(self,[options]);
  425. self.target = options.target;
  426. self.sortAsc = ko.observable(true);
  427. self.sortAsc.subscribe(function(){self.sort()});
  428. self.sortField = ko.observable("");
  429. self.sortField.subscribe(function(){self.sort()});
  430. self.sortFields = ko.observableArray(Object.keys(options.sortFields)); // change to ko.computed?
  431. self.sortFunctionHash = ko.observable(options.sortFields);
  432. self.toggleSortMode = function() {
  433. self.sortAsc(!self.sortAsc());
  434. };
  435. self.sort = function() {
  436. if (!self.target || !(self.sortFields().length > 0)) return;
  437. self.target.sort(function(a, b) {
  438. 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
  439. });
  440. };
  441. };
  442. var TableDataRow = function(options) {
  443. var self = this;
  444. options = ko.utils.extend({
  445. name:"",
  446. enabled:true
  447. }, options);
  448. DataRow.apply(self,[options]);
  449. self.name = options['name'];
  450. self.enabled = ko.observable(options['enabled']);
  451. self.toggle = function(viewModel,event){
  452. var action = ['enable','disable'][self.enabled() << 0], el = $(event.currentTarget);
  453. confirm("Confirm "+action, "Are you sure you want to " + action + " this table?", function() //gotta i18n this!
  454. {
  455. el.showIndicator();
  456. return self[action](el).complete(function() {
  457. el.hideIndicator();
  458. });
  459. });
  460. };
  461. self.enable = function(el) {
  462. return API.queryCluster('enableTable',self.name).complete(function() {
  463. self.enabled(true);
  464. });
  465. };
  466. self.disable = function(el) {
  467. return API.queryCluster('disableTable',self.name).complete(function() {
  468. self.enabled(false);
  469. });
  470. };
  471. self.drop = function(el) {
  472. return API.queryCluster('deleteTable',self.name);
  473. };
  474. };
  475. var QuerySetPiece = function(options) {
  476. var self = this;
  477. options = ko.utils.extend({
  478. row_key: "null",
  479. scan_length: 1,
  480. prefix: false,
  481. columns: [],
  482. filter: null,
  483. onValidate: function(){}
  484. }, options);
  485. BaseModel.apply(self,[options]);
  486. self.row_key = ko.observable(options.row_key);
  487. self.scan_length = ko.observable(options.scan_length);
  488. self.columns = ko.observableArray(options.columns);
  489. self.prefix = ko.observable(options.prefix);
  490. self.filter = ko.observable(options.filter);
  491. self.editing = ko.observable(true);
  492. self.validate = function() {
  493. if(self.scan_length() <= 0 || self.row_key() == "")
  494. return app.views.tabledata.querySet.remove(self); //change later
  495. return options.onValidate();
  496. };
  497. self.row_key.subscribe(self.validate.bind());
  498. self.scan_length.subscribe(self.validate.bind());
  499. };
  500. var ColumnFamily = function(options) {
  501. this.name = options.name;
  502. this.enabled = ko.observable(options.enabled);
  503. this.toggle = function() {
  504. this.enabled(!this.enabled());
  505. app.views.tabledata.reload();
  506. };
  507. }
  508. //tagsearch
  509. var tagsearch = function() {
  510. var self = this;
  511. self.tags = ko.observableArray();
  512. self.mode = ko.observable('idle');
  513. self.cur_input = ko.observable('');
  514. self.submitted = ko.observable(false);
  515. self.hints = ko.observableArray([ {
  516. hint: 'End Query',
  517. shortcut: ',',
  518. mode: ['rowkey', 'prefix', 'scan'],
  519. selected: false
  520. }, {
  521. hint: 'Mark Row Prefix',
  522. shortcut: '*',
  523. mode: ['rowkey'],
  524. selected: false
  525. }, {
  526. hint: 'Start Scan',
  527. shortcut: '+',
  528. mode: ['rowkey', 'prefix'],
  529. selected: false
  530. }, {
  531. hint: 'Start Select Columns',
  532. shortcut: '[',
  533. mode: ['rowkey', 'prefix'],
  534. selected: false
  535. }, {
  536. hint: 'End Column/Family',
  537. shortcut: ',',
  538. mode: ['columns'],
  539. selected: false
  540. }, {
  541. hint: 'End Select Columns',
  542. shortcut: ']',
  543. mode: ['columns'],
  544. selected: false
  545. },
  546. {
  547. hint: 'Start FilterString',
  548. shortcut: '{',
  549. mode: ['rowkey'],
  550. selected: false
  551. },
  552. {
  553. hint: 'End FilterString',
  554. shortcut: '}',
  555. mode: ['filter'],
  556. selected: false
  557. }
  558. ]);
  559. self.activeHints = ko.computed(function() {
  560. var ret = [];
  561. $(self.hints()).each(function(i, hint) {
  562. if (hint.mode.indexOf(self.mode()) > -1)
  563. ret.push(hint);
  564. });
  565. return ret;
  566. });
  567. self.activeHint = ko.observable(-1);
  568. self.modes = {
  569. 'rowkey': {
  570. hint: 'Row Key Value',
  571. type: 'String'
  572. },
  573. 'scan': {
  574. hint: 'Length of Scan or Row Key',
  575. type: 'Integer'
  576. },
  577. 'columns': {
  578. hint: 'Column Family: Column Name',
  579. type: 'String'
  580. },
  581. 'prefix': {
  582. hint: 'Rows starting with',
  583. type: 'String'
  584. },
  585. 'filter': {
  586. hint: 'Thrift FilterString',
  587. type: 'String'
  588. }
  589. }
  590. self.modeQueue = ['idle'];
  591. self.focused = ko.observable(false);
  592. self.insertTag = function(tag) {
  593. var mode = tag.indexOf('+') != -1 ? 'scan' : 'rowkey';
  594. var tag = {value: tag, tag: mode} //parse mode
  595. self.tags.push(tag);
  596. }
  597. self.render = function(input, renderers) {
  598. var keys = Object.keys(renderers);
  599. for(var i=0; i<keys.length; i++) {
  600. input = input.replace(renderers[keys[i]].select, function(selected) {
  601. var hasMatched = false;
  602. var processed = selected.replace(renderers[keys[i]].tag, function(tagged) {
  603. hasMatched = true;
  604. 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>";
  605. });
  606. if(hasMatched && renderers[keys[i]]['strip'])
  607. processed = processed.replace(renderers[keys[i]].strip, '');
  608. return processed;
  609. });
  610. }
  611. return input;
  612. };
  613. self.updateMode = function(value) {
  614. self.submitted(false);
  615. var selection = value.slice(0, self.selectionEnd());
  616. var endindex = selection.slice(selection.lastIndexOf(',')).indexOf(',');
  617. if(endindex == -1) endindex = selection.length;
  618. var lastbit = value.substring(selection.lastIndexOf(','), endindex).trim();
  619. if(lastbit == "," || lastbit == "") {
  620. self.mode('idle');
  621. return;
  622. }
  623. var tokens = "[]+,*{}";
  624. var m = 'rowkey';
  625. for(var i=selection.length - 1; i>=0; i--) {
  626. if(tokens.indexOf(selection[i]) != -1) {
  627. if(selection[i] == '{')
  628. m = 'filter';
  629. else if(selection[i] == '[')
  630. m = 'columns';
  631. else if(selection[i] == ']' || selection[i] == '}')
  632. m = 'rowkey';
  633. else if(selection[i] == '+')
  634. m = 'scan';
  635. else if(selection[i] == '-')
  636. m = 'prefix';
  637. break;
  638. }
  639. }
  640. self.mode(m.trim());
  641. };
  642. self.selectionStart = ko.observable(0);
  643. self.selectionEnd = ko.observable(0);
  644. self.hintText = ko.computed(function() {
  645. var value = self.cur_input();
  646. var selection = value.slice(0, self.selectionEnd());
  647. var index = selection.lastIndexOf(',') + 1;
  648. var endindex = value.slice(index).indexOf(',');
  649. endindex = endindex == -1 ? value.length : endindex;
  650. var pre = value.substring(index, index + endindex);
  651. var s = self.selectionStart() - index, e = self.selectionEnd() - index;
  652. if(s == e)
  653. e += 1;
  654. s = s < 0 ? 0 : s;
  655. e = e > pre.length ? pre.length : e;
  656. return pre.slice(0, s) + "<span class='selection'>" + pre.slice(s, e) + "</span>" + pre.slice(e);
  657. });
  658. self.onKeyDown = function(target, ev) {
  659. if(ev.keyCode == 13 && self.cur_input().slice(self.cur_input().lastIndexOf(',')).trim() != ",") {
  660. self.evaluate();
  661. return false;
  662. }
  663. setTimeout(self.updateMenu, 1);
  664. return true;
  665. };
  666. self.updateMenu = function() {
  667. try{
  668. var pos = getEditablePosition(document.getElementById('search-tags'));
  669. self.selectionStart(pos);
  670. self.selectionEnd(pos);
  671. } catch (err) {}
  672. self.updateMode(self.cur_input());
  673. };
  674. self.evaluate = function() {
  675. table_search(self.cur_input());
  676. self.submitted(true);
  677. self.mode('idle');
  678. };
  679. $('#search-tags').blur(function(){
  680. self.focused(false);
  681. });
  682. self.doBlur = function() {
  683. if(self.cur_input().trim() == "") {
  684. function doClick() {
  685. $('#search-tags').html('');
  686. setTimeout(function() {
  687. $('#search-tags').focus();
  688. }, 1);
  689. }
  690. $('#search-tags').html('<small>' + $('#search-tags').data("placeholder") + '</small>').one('click', doClick).find('small').on('mousedown', doClick);
  691. }
  692. }
  693. $('#search-tags').focus(function(){
  694. self.focused(true);
  695. });
  696. };
  697. var CellHistoryPage = function(options) {
  698. var self = this;
  699. self.items = ko.observableArray(options.items);
  700. self.loading = ko.observable(false);
  701. self.reload = function(timestamp, append) {
  702. if(!timestamp)
  703. timestamp = options.timestamp
  704. API.queryTable("getVerTs", options.row, options.column, timestamp, 10, 'null').done(function(res) {
  705. self.loading = ko.observable(true);
  706. if(!append)
  707. self.items(res);
  708. else
  709. self.items(self.items() + res);
  710. self.loading = ko.observable(false);
  711. });
  712. };
  713. };