controls.js 25 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.columnFamilies([]);
  150. self._reloadcfs();
  151. if(app.station() == 'table')
  152. return;
  153. self.querySet.removeAll();
  154. self.evaluateQuery();
  155. }); //fix and decouple
  156. self.lastReloadTime = ko.observable(1);
  157. self.searchQuery.subscribe(function goToRow(value) //make this as nice as the renderfucnction and split into two, also fire not down on keyup events
  158. {
  159. if(app.station() != 'table')
  160. return;
  161. if(value.replace(/\s/g, "") == '' || value == null)
  162. routie(app.cluster() + '/' + app.views.tabledata.name());
  163. var inputs = value.match(searchRenderers['rowkey']['select']);
  164. self.querySet.removeAll();
  165. if(inputs) {
  166. for(var i=0; i<inputs.length; i++) {
  167. if(inputs[i].trim() != "" && inputs[i].trim() != ',') {
  168. var p = inputs[i].split('+');
  169. var scan = p.length > 1 ? parseInt(p[1].trim()) : 0;
  170. var extract = inputs[i].match(searchRenderers['rowkey']['nested']['columns']['select']);
  171. var columns = extract != null ? extract[0].match(searchRenderers['rowkey']['nested']['columns']['tag']) : [];
  172. var filter = inputs[i].match(searchRenderers['rowkey']['nested']['filter']['select']);
  173. self.querySet.push(new QuerySetPiece({
  174. 'row_key': p[0].replace(/[\[\{].+[\]\}]|\*/g,'').trim(), //clean up with column regex selectors instead
  175. 'scan_length': scan ? scan + 1 : 1,
  176. 'columns': columns,
  177. 'prefix': inputs[i].match(searchRenderers['rowkey']['nested']['prefix']['select']) != null,
  178. 'filter': filter != null && filter.length > 0 ? escape(filter[0].slice(1, -1)) : null
  179. }));
  180. }
  181. }
  182. }
  183. self.evaluateQuery();
  184. });
  185. self._reloadcfs = function() {
  186. return API.queryTable("getColumnDescriptors").done(function(data) {
  187. self.columnFamilies.removeAll();
  188. var keys = Object.keys(data);
  189. for(var i=0;i<keys.length;i++) {
  190. self.columnFamilies.push(new ColumnFamily({name:keys[i], enabled:false}));
  191. }
  192. self.reload();
  193. });
  194. };
  195. self.columnQuery = ko.observable("");
  196. self.columnQuery.subscribe(function(query) {
  197. $(self.items()).each(function() {
  198. table_search(query);
  199. });
  200. });
  201. self.rows = ko.computed(function() {
  202. var a = [];
  203. var items = this.items();
  204. for(var i=0; i<items.length; i++) {
  205. a.push(items[i].row);
  206. }
  207. return a;
  208. }, self);
  209. self.querySet = ko.observableArray();
  210. self.validateQuery = function() {
  211. if(self.querySet().length == 0) {
  212. self.querySet.push(new QuerySetPiece({
  213. 'row_key': 'null',
  214. 'scan_length': 10,
  215. 'prefix': 'false'
  216. }));
  217. } else {
  218. $(self.querySet()).each(function() {
  219. this.validate();
  220. this.editing(false);
  221. });
  222. }
  223. };
  224. self.addQuery = function() {
  225. self.validateQuery();
  226. self.querySet.push(new QuerySetPiece({onValidate: function() {
  227. //self.reload();
  228. }}))
  229. };
  230. self.evaluateQuery = function(callback) {
  231. self.validateQuery();
  232. self.reload(callback);
  233. };
  234. var _reload = self.reload;
  235. self.reload = function(callback) {
  236. logGA('view_table');
  237. var queryStart = new Date();
  238. _reload(function() {
  239. self.lastReloadTime((new Date() - queryStart)/1000);
  240. if(callback!=null)
  241. callback();
  242. self.isLoading(false);
  243. });
  244. };
  245. self.truncateLimit = ko.observable(1500);
  246. };
  247. var SmartViewDataRow = function(options) {
  248. var self = this;
  249. options = ko.utils.extend({
  250. sortFields: {
  251. 'Column Family': function(a, b) {
  252. return a.name.localeCompare(b.name);
  253. },
  254. 'Column Name': function(a, b) {
  255. return a.name.split(':')[1].localeCompare(b.name.split(':')[1]);
  256. },
  257. 'Cell Size': function(a, b) {
  258. a = a.value().length;
  259. b = b.value().length;
  260. if(a > b)
  261. return 1;
  262. if(a < b)
  263. return -1;
  264. return 0;
  265. },
  266. 'Cell Value': function(a, b) {
  267. return a.value().localeCompare(b.value());
  268. },
  269. 'Timestamp': function(a, b) {
  270. a = parseInt(a.timestamp);
  271. b = parseInt(b.timestamp);
  272. if(a > b)
  273. return 1;
  274. if(a < b)
  275. return -1;
  276. return 0;
  277. },
  278. 'Column Name Length': function(a, b) {
  279. a = a.name.split(':')[1].length;
  280. b = b.name.split(':')[1].length;
  281. if(a > b)
  282. return 1;
  283. if(a < b)
  284. return -1;
  285. return 0;
  286. }
  287. }
  288. }, options);
  289. DataRow.apply(self,[options]);
  290. ListViewModel.apply(self,[options]);
  291. self.displayedItems = ko.observableArray();
  292. self.displayRangeStart = 0;
  293. self.displayRangeLength = 20;
  294. self.items.subscribe(function() {
  295. self.displayedItems([]);
  296. self.updateDisplayedItems();
  297. });
  298. self.searchQuery.subscribe(function(searchValue) {
  299. self.scrollLoadSource = ko.computed(function(){
  300. return self.items().filter(function(column) {
  301. return column.name.toLowerCase().indexOf(searchValue.toLowerCase()) != -1;
  302. });
  303. });
  304. self.displayRangeLength = 20;
  305. self.updateDisplayedItems();
  306. });
  307. self.scrollLoadSource = self.items;
  308. self.updateDisplayedItems = function() {
  309. var x = self.displayRangeStart;
  310. self.displayedItems(self.scrollLoadSource().slice(x, x + self.displayRangeLength));
  311. };
  312. self.resetScrollLoad = function() {
  313. self.scrollLoadSource = self.items;
  314. self.updateDisplayedItems();
  315. };
  316. self.toggleSelectedCollapse = function() {
  317. if(self.displayedItems().length == self.displayRangeStart + self.displayRangeLength) {
  318. self.displayedItems(self.displayedItems().filter(function(item) {
  319. return item.isSelected();
  320. }));
  321. self.scrollLoadSource = self.displayedItems;
  322. }
  323. else {
  324. self.resetScrollLoad();
  325. }
  326. };
  327. self.onScroll = function(target, ev) {
  328. if($(ev.target).scrollLeft() == ev.target.scrollWidth - ev.target.clientWidth && self.displayedItems().length < self.scrollLoadSource().length) {
  329. self.displayRangeLength += 15;
  330. self.updateDisplayedItems();
  331. }
  332. };
  333. self.drop = function(cont) {
  334. function doDrop() {
  335. self.isLoading(true);
  336. return API.queryTable('deleteAllRow', self.row, "{}").complete(function() {
  337. app.views.tabledata.items.remove(self); //decouple later
  338. self.isLoading(false);
  339. });
  340. }
  341. (cont === true) ? doDrop() : confirm("Confirm Delete", 'Delete row ' + self.row + '? (This cannot be undone)', doDrop);
  342. };
  343. self.setItems = function(cols) {
  344. var colKeys = Object.keys(cols);
  345. var items = [];
  346. for(var q=0; q<colKeys.length; q++) {
  347. items.push(new ColumnRow({name: colKeys[q],
  348. timestamp: cols[colKeys[q]].timestamp,
  349. value: cols[colKeys[q]].value,
  350. parent: self}));
  351. }
  352. self.items(items);
  353. return self.items();
  354. };
  355. self.selectAllVisible = function(){
  356. for(t=0; t<self.displayedItems().length; t++)
  357. self.displayedItems()[t].isSelected(true);
  358. return self;
  359. };
  360. self.toggleSelectAllVisible = function() {
  361. if(self.selected().length != self.displayedItems().length)
  362. return self.selectAllVisible();
  363. return self.deselectAll();
  364. };
  365. self.push = function(item) {
  366. var column = new ColumnRow(item);
  367. self.items.push(column);
  368. };
  369. var _reload = self.reload;
  370. self.reload = function(callback) {
  371. logGA('get_row');
  372. _reload(function() {
  373. if(callback!=null)
  374. callback();
  375. self.isLoading(false);
  376. });
  377. };
  378. };
  379. var ColumnRow = function(options) {
  380. var self = this;
  381. ko.utils.extend(self,options);
  382. DataRow.apply(self,[options]);
  383. self.value = ko.observable(self.value);
  384. self.history = new CellHistoryPage({row: self.parent.row, column: self.name, timestamp: self.timestamp, items: []});
  385. self.drop = function(cont) {
  386. function doDrop() {
  387. logGA('filter_columns');
  388. self.parent.isLoading(true);
  389. return API.queryTable('deleteColumn', self.parent.row, self.name).done(function(data) {
  390. self.parent.items.remove(self);
  391. if(self.parent.items().length > 0)
  392. self.parent.reload(); //change later
  393. self.parent.isLoading(false);
  394. });
  395. }
  396. (cont === true) ? doDrop() : confirm("Confirm Delete", "Are you sure you want to drop this column?", doDrop);
  397. };
  398. self.reload = function(callback, skipPut) {
  399. self.isLoading(true);
  400. API.queryTable('get', self.parent.row, self.name, 'null').done(function(data) {
  401. if(data.length > 0 && !skipPut)
  402. self.value(data[0].value);
  403. if(typeof callback !== "undefined" && callback != null)
  404. callback();
  405. self.isLoading(false);
  406. });
  407. };
  408. self.value.subscribe(function(value) {
  409. //change transport prep to object wrapper
  410. logGA('put_column');
  411. API.queryTable('putColumn', self.parent.row, self.name, "hbase-post-key-" + JSON.stringify(value)).done(function(data) {
  412. self.reload(function(){}, true);
  413. });
  414. self.editing(false);
  415. });
  416. self.editing = ko.observable(false);
  417. self.isLoading = ko.observable(false); //move to baseclass
  418. };
  419. var SortDropDownView = function(options) {
  420. var self = this;
  421. options = ko.utils.extend({
  422. sortFields: {},
  423. target: null
  424. }, options);
  425. BaseModel.apply(self,[options]);
  426. self.target = options.target;
  427. self.sortAsc = ko.observable(true);
  428. self.sortAsc.subscribe(function(){self.sort()});
  429. self.sortField = ko.observable("");
  430. self.sortField.subscribe(function(){self.sort()});
  431. self.sortFields = ko.observableArray(Object.keys(options.sortFields)); // change to ko.computed?
  432. self.sortFunctionHash = ko.observable(options.sortFields);
  433. self.toggleSortMode = function() {
  434. self.sortAsc(!self.sortAsc());
  435. };
  436. self.sort = function() {
  437. if (!self.target || !(self.sortFields().length > 0)) return;
  438. self.target.sort(function(a, b) {
  439. 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
  440. });
  441. };
  442. };
  443. var TableDataRow = function(options) {
  444. var self = this;
  445. options = ko.utils.extend({
  446. name:"",
  447. enabled:true
  448. }, options);
  449. DataRow.apply(self,[options]);
  450. self.name = options['name'];
  451. self.enabled = ko.observable(options['enabled']);
  452. self.toggle = function(viewModel,event){
  453. var action = ['enable','disable'][self.enabled() << 0], el = $(event.currentTarget);
  454. confirm("Confirm "+action, "Are you sure you want to " + action + " this table?", function() //gotta i18n this!
  455. {
  456. el.showIndicator();
  457. return self[action](el).complete(function() {
  458. el.hideIndicator();
  459. });
  460. });
  461. };
  462. self.enable = function(el) {
  463. return API.queryCluster('enableTable',self.name).complete(function() {
  464. self.enabled(true);
  465. });
  466. };
  467. self.disable = function(el) {
  468. return API.queryCluster('disableTable',self.name).complete(function() {
  469. self.enabled(false);
  470. });
  471. };
  472. self.drop = function(el) {
  473. return API.queryCluster('deleteTable',self.name);
  474. };
  475. };
  476. var QuerySetPiece = function(options) {
  477. var self = this;
  478. options = ko.utils.extend({
  479. row_key: "null",
  480. scan_length: 1,
  481. prefix: false,
  482. columns: [],
  483. filter: null,
  484. onValidate: function(){}
  485. }, options);
  486. BaseModel.apply(self,[options]);
  487. self.row_key = ko.observable(options.row_key);
  488. self.scan_length = ko.observable(options.scan_length);
  489. self.columns = ko.observableArray(options.columns);
  490. self.prefix = ko.observable(options.prefix);
  491. self.filter = ko.observable(options.filter);
  492. self.editing = ko.observable(true);
  493. self.validate = function() {
  494. if(self.scan_length() <= 0 || self.row_key() == "")
  495. return app.views.tabledata.querySet.remove(self); //change later
  496. return options.onValidate();
  497. };
  498. self.row_key.subscribe(self.validate.bind());
  499. self.scan_length.subscribe(self.validate.bind());
  500. };
  501. var ColumnFamily = function(options) {
  502. this.name = options.name;
  503. this.enabled = ko.observable(options.enabled);
  504. this.toggle = function() {
  505. this.enabled(!this.enabled());
  506. app.views.tabledata.reload();
  507. };
  508. }
  509. //tagsearch
  510. var tagsearch = function() {
  511. var self = this;
  512. self.tags = ko.observableArray();
  513. self.mode = ko.observable('idle');
  514. self.cur_input = ko.observable('');
  515. self.submitted = ko.observable(false);
  516. self.filters = ["KeyOnlyFilter ()", "FirstKeyOnlyFilter ()", "PrefixFilter (‘row_prefix’)", "ColumnPrefixFilter(‘column_prefix’)", "MultipleColumnPrefixFilter(‘column_prefix’, ‘column_prefix’, …, ‘column_prefix’)", "ColumnCountGetFilter (‘limit’)", "PageFilter (‘page_size’)", "ColumnPaginationFilter(‘limit’, ‘offest')", "InclusiveStopFilter(‘stop_row_key’)", "TimeStampsFilter (timestamp, timestamp, ... ,timestamp)", "RowFilter (compareOp, ‘row_comparator’)", "QualifierFilter (compareOp, ‘qualifier_comparator’)", "QualifierFilter (compareOp,‘qualifier_comparator’)", "ValueFilter (compareOp,‘value_comparator’)", "DependentColumnFilter (‘family’, ‘qualifier’, boolean, compare operator, ‘value comparator’)", "DependentColumnFilter (‘family’, ‘qualifier’, boolean)", "DependentColumnFilter (‘family’, ‘qualifier’)", "SingleColumnValueFilter(‘family’, ‘qualifier’, compare operator, ‘comparator’, filterIfColumnMissing_boolean, latest_version_boolean)", "SingleColumnValueFilter(‘family’, ‘qualifier, compare operator, ‘comparator’)", "SingleColumnValueExcludeFilter('family', 'qualifier', compare operator, 'comparator', latest_version_boolean, filterIfColumnMissing_boolean)", "SingleColumnValueExcludeFilter('family', 'qualifier', compare operator, 'comparator')", "ColumnRangeFilter (‘minColumn’, minColumnInclusive_bool, ‘maxColumn’, maxColumnInclusive_bool)"];
  517. self.hints = ko.observableArray([ {
  518. hint: 'End Query',
  519. shortcut: ',',
  520. mode: ['rowkey', 'prefix', 'scan'],
  521. selected: false
  522. }, {
  523. hint: 'Mark Row Prefix',
  524. shortcut: '*',
  525. mode: ['rowkey'],
  526. selected: false
  527. }, {
  528. hint: 'Start Scan',
  529. shortcut: '+',
  530. mode: ['rowkey', 'prefix'],
  531. selected: false
  532. }, {
  533. hint: 'Start Select Columns',
  534. shortcut: '[',
  535. mode: ['rowkey', 'prefix'],
  536. selected: false
  537. }, {
  538. hint: 'End Column/Family',
  539. shortcut: ',',
  540. mode: ['columns'],
  541. selected: false
  542. }, {
  543. hint: 'End Select Columns',
  544. shortcut: ']',
  545. mode: ['columns'],
  546. selected: false
  547. },
  548. {
  549. hint: 'Start FilterString',
  550. shortcut: '{',
  551. mode: ['rowkey'],
  552. selected: false
  553. },
  554. {
  555. hint: 'End FilterString',
  556. shortcut: '}',
  557. mode: ['filter'],
  558. selected: false
  559. }
  560. ]);
  561. self.activeHints = ko.computed(function() {
  562. var ret = [];
  563. $(self.hints()).each(function(i, hint) {
  564. if (hint.mode.indexOf(self.mode()) > -1)
  565. ret.push(hint);
  566. });
  567. return ret;
  568. });
  569. self.activeHint = ko.observable(-1);
  570. self.modes = {
  571. 'rowkey': {
  572. hint: 'Row Key Value',
  573. type: 'String'
  574. },
  575. 'scan': {
  576. hint: 'Length of Scan or Row Key',
  577. type: 'Integer'
  578. },
  579. 'columns': {
  580. hint: 'Column Family: Column Name',
  581. type: 'String'
  582. },
  583. 'prefix': {
  584. hint: 'Rows starting with',
  585. type: 'String'
  586. },
  587. 'filter': {
  588. hint: 'Thrift FilterString',
  589. type: 'String'
  590. }
  591. }
  592. self.modeQueue = ['idle'];
  593. self.focused = ko.observable(false);
  594. self.activeSuggestions = ko.observableArray();
  595. self.insertTag = function(tag) {
  596. var mode = tag.indexOf('+') != -1 ? 'scan' : 'rowkey';
  597. var tag = {value: tag, tag: mode} //parse mode
  598. self.tags.push(tag);
  599. }
  600. self.render = function(input, renderers) {
  601. var keys = Object.keys(renderers);
  602. for(var i=0; i<keys.length; i++) {
  603. input = input.replace(renderers[keys[i]].select, function(selected) {
  604. var hasMatched = false;
  605. var processed = selected.replace(renderers[keys[i]].tag, function(tagged) {
  606. hasMatched = true;
  607. 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>";
  608. });
  609. if(hasMatched && renderers[keys[i]]['strip'])
  610. processed = processed.replace(renderers[keys[i]].strip, '');
  611. return processed;
  612. });
  613. }
  614. return input;
  615. };
  616. self.updateMode = function(value) {
  617. self.submitted(false);
  618. var selection = value.slice(0, self.selectionEnd());
  619. var endindex = selection.slice(selection.lastIndexOf(',')).indexOf(',');
  620. if(endindex == -1) endindex = selection.length;
  621. var lastbit = value.substring(selection.lastIndexOf(','), endindex).trim();
  622. if(lastbit == "," || lastbit == "") {
  623. self.mode('idle');
  624. return;
  625. }
  626. var tokens = "[]+*{}";
  627. var m = 'rowkey';
  628. for(var i=selection.length - 1; i>=0; i--) {
  629. if(tokens.indexOf(selection[i]) != -1) {
  630. if(selection[i] == '{')
  631. m = 'filter';
  632. else if(selection[i] == '[')
  633. m = 'columns';
  634. else if(selection[i] == ']' || selection[i] == '}')
  635. m = 'rowkey';
  636. else if(selection[i] == '+')
  637. m = 'scan';
  638. else if(selection[i] == '-')
  639. m = 'prefix';
  640. break;
  641. }
  642. }
  643. self.mode(m.trim());
  644. };
  645. self.selectionStart = ko.observable(0);
  646. self.selectionEnd = ko.observable(0);
  647. self.hintText = ko.computed(function() {
  648. var pre, s, e;
  649. try {
  650. var r = window.getSelection().getRangeAt(0);
  651. pre = r.startContainer.nodeValue;
  652. s = r.startOffset;
  653. e = r.endOffset;
  654. return pre.slice(0, s) + "<span class='selection'>" + pre.slice(s, e) + "</span>" + pre.slice(e);
  655. } catch (e) {
  656. var value = self.cur_input();
  657. var selection = value.slice(0, self.selectionEnd());
  658. var index = selection.lastIndexOf(',') + 1;
  659. var endindex = value.slice(index).indexOf(',');
  660. endindex = endindex == -1 ? value.length : endindex;
  661. pre = value.substring(index, index + endindex);
  662. s = self.selectionStart() - index;
  663. e = self.selectionEnd() - index;
  664. if(s == e)
  665. e += 1;
  666. s = s < 0 ? 0 : s;
  667. e = e > pre.length ? pre.length : e;
  668. }
  669. return pre.slice(0, s) + "<span class='selection'>" + pre.slice(s, e) + "</span>" + pre.slice(e);
  670. });
  671. self.onKeyDown = function(target, ev) {
  672. if(ev.keyCode == 13 && self.cur_input().slice(self.cur_input().lastIndexOf(',')).trim() != ",") {
  673. self.evaluate();
  674. return false;
  675. }
  676. setTimeout(self.updateMenu, 1);
  677. return true;
  678. };
  679. self.updateMenu = function() {
  680. try{
  681. var pos = getEditablePosition(document.getElementById('search-tags'));
  682. self.selectionStart(pos);
  683. self.selectionEnd(pos);
  684. } catch (err) {}
  685. self.updateMode(self.cur_input());
  686. self.updateSuggestions();
  687. };
  688. self.replaceFocusNode = function(text) {
  689. window.getSelection().getRangeAt(0).startContainer.nodeValue = text;
  690. };
  691. self.updateSuggestions = function() {
  692. var val = window.getSelection().getRangeAt(0).startContainer.nodeValue;
  693. switch(self.mode()) {
  694. case 'filter':
  695. var focus = val.replace(/\{|\}|\s|&[^;]+?;/g,"").split(/(AND|OR|SKIP|WHILE)/).slice(-1)[0];
  696. self.activeSuggestions(self.filters.filter(function(a) {
  697. return a.replace(" ","").indexOf(focus) != -1;
  698. }));
  699. return;
  700. default:
  701. self.activeSuggestions([]);
  702. return;
  703. }
  704. }
  705. self.evaluate = function() {
  706. table_search(self.cur_input());
  707. self.submitted(true);
  708. self.mode('idle');
  709. };
  710. $('#search-tags').blur(function(){
  711. self.focused(false);
  712. });
  713. self.doBlur = function() {
  714. if(self.cur_input().trim() == "") {
  715. function doClick() {
  716. if(self.cur_input().trim() != "") return false;
  717. setTimeout(function() {
  718. $('#search-tags').focus();
  719. }, 1);
  720. }
  721. $('#search-tags').html('<small>' + $('#search-tags').data("placeholder") + '</small>').one('click', doClick).find('small').on('mousedown', doClick);
  722. }
  723. }
  724. $('#search-tags').focus(function(){
  725. self.focused(true);
  726. });
  727. };
  728. var CellHistoryPage = function(options) {
  729. var self = this;
  730. self.items = ko.observableArray(options.items);
  731. self.loading = ko.observable(false);
  732. self.reload = function(timestamp, append) {
  733. if(!timestamp)
  734. timestamp = options.timestamp
  735. API.queryTable("getVerTs", options.row, options.column, timestamp, 10, 'null').done(function(res) {
  736. self.loading = ko.observable(true);
  737. if(!append)
  738. self.items(res);
  739. else
  740. self.items(self.items() + res);
  741. self.loading = ko.observable(false);
  742. });
  743. };
  744. };