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: /(([^\\]|\b)\+[0-9]+)/g, tag: /\+[0-9]+/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 = pullFromRenderer(inputs[i], searchRenderers['rowkey']['nested']['scan']);
  169. inputs[i] = inputs[i].replace(p, '');
  170. p = p.split('+');
  171. var scan = p.length > 1 ? parseInt(p[1].trim()) : 0;
  172. var extract = inputs[i].match(searchRenderers['rowkey']['nested']['columns']['select']);
  173. var columns = extract != null ? extract[0].match(searchRenderers['rowkey']['nested']['columns']['tag']) : [];
  174. var filter = inputs[i].match(searchRenderers['rowkey']['nested']['filter']['select']);
  175. self.querySet.push(new QuerySetPiece({
  176. 'row_key': inputs[i].replace(/\\(\+|\*|\,)/g, '$1').replace(/[\[\{].+[\]\}]|\*/g,'').trim(), //clean up with column regex selectors instead
  177. 'scan_length': scan ? scan + 1 : 1,
  178. 'columns': columns,
  179. 'prefix': inputs[i].match(searchRenderers['rowkey']['nested']['prefix']['select']) != null,
  180. 'filter': filter != null && filter.length > 0 ? escape(filter[0].slice(1, -1)) : null
  181. }));
  182. }
  183. }
  184. }
  185. self.evaluateQuery();
  186. });
  187. self._reloadcfs = function() {
  188. return API.queryTable("getColumnDescriptors").done(function(data) {
  189. self.columnFamilies.removeAll();
  190. var keys = Object.keys(data);
  191. for(var i=0;i<keys.length;i++) {
  192. self.columnFamilies.push(new ColumnFamily({name:keys[i], enabled:false}));
  193. }
  194. self.reload();
  195. });
  196. };
  197. self.columnQuery = ko.observable("");
  198. self.columnQuery.subscribe(function(query) {
  199. $(self.items()).each(function() {
  200. table_search(query);
  201. });
  202. });
  203. self.rows = ko.computed(function() {
  204. var a = [];
  205. var items = this.items();
  206. for(var i=0; i<items.length; i++) {
  207. a.push(items[i].row);
  208. }
  209. return a;
  210. }, self);
  211. self.querySet = ko.observableArray();
  212. self.validateQuery = function() {
  213. if(self.querySet().length == 0) {
  214. self.querySet.push(new QuerySetPiece({
  215. 'row_key': 'null',
  216. 'scan_length': 10,
  217. 'prefix': 'false'
  218. }));
  219. } else {
  220. $(self.querySet()).each(function() {
  221. this.validate();
  222. this.editing(false);
  223. });
  224. }
  225. };
  226. self.addQuery = function() {
  227. self.validateQuery();
  228. self.querySet.push(new QuerySetPiece({onValidate: function() {
  229. //self.reload();
  230. }}))
  231. };
  232. self.evaluateQuery = function(callback) {
  233. self.validateQuery();
  234. self.reload(callback);
  235. };
  236. var _reload = self.reload;
  237. self.reload = function(callback) {
  238. logGA('view_table');
  239. var queryStart = new Date();
  240. _reload(function() {
  241. self.lastReloadTime((new Date() - queryStart)/1000);
  242. if(callback!=null)
  243. callback();
  244. self.isLoading(false);
  245. });
  246. };
  247. self.truncateLimit = ko.observable(1500);
  248. };
  249. var SmartViewDataRow = function(options) {
  250. var self = this;
  251. options = ko.utils.extend({
  252. sortFields: {
  253. 'Column Family': function(a, b) {
  254. return a.name.localeCompare(b.name);
  255. },
  256. 'Column Name': function(a, b) {
  257. return a.name.split(':')[1].localeCompare(b.name.split(':')[1]);
  258. },
  259. 'Cell Size': function(a, b) {
  260. a = a.value().length;
  261. b = b.value().length;
  262. if(a > b)
  263. return 1;
  264. if(a < b)
  265. return -1;
  266. return 0;
  267. },
  268. 'Cell Value': function(a, b) {
  269. return a.value().localeCompare(b.value());
  270. },
  271. 'Timestamp': function(a, b) {
  272. a = parseInt(a.timestamp);
  273. b = parseInt(b.timestamp);
  274. if(a > b)
  275. return 1;
  276. if(a < b)
  277. return -1;
  278. return 0;
  279. },
  280. 'Column Name Length': function(a, b) {
  281. a = a.name.split(':')[1].length;
  282. b = b.name.split(':')[1].length;
  283. if(a > b)
  284. return 1;
  285. if(a < b)
  286. return -1;
  287. return 0;
  288. }
  289. }
  290. }, options);
  291. DataRow.apply(self,[options]);
  292. ListViewModel.apply(self,[options]);
  293. self.displayedItems = ko.observableArray();
  294. self.displayRangeStart = 0;
  295. self.displayRangeLength = 20;
  296. self.items.subscribe(function() {
  297. self.displayedItems([]);
  298. self.updateDisplayedItems();
  299. });
  300. self.searchQuery.subscribe(function(searchValue) {
  301. self.scrollLoadSource = ko.computed(function(){
  302. return self.items().filter(function(column) {
  303. return column.name.toLowerCase().indexOf(searchValue.toLowerCase()) != -1;
  304. });
  305. });
  306. self.displayRangeLength = 20;
  307. self.updateDisplayedItems();
  308. });
  309. self.scrollLoadSource = self.items;
  310. self.updateDisplayedItems = function() {
  311. var x = self.displayRangeStart;
  312. self.displayedItems(self.scrollLoadSource().slice(x, x + self.displayRangeLength));
  313. };
  314. self.resetScrollLoad = function() {
  315. self.scrollLoadSource = self.items;
  316. self.updateDisplayedItems();
  317. };
  318. self.toggleSelectedCollapse = function() {
  319. if(self.displayedItems().length == self.displayRangeStart + self.displayRangeLength) {
  320. self.displayedItems(self.displayedItems().filter(function(item) {
  321. return item.isSelected();
  322. }));
  323. self.scrollLoadSource = self.displayedItems;
  324. }
  325. else {
  326. self.resetScrollLoad();
  327. }
  328. };
  329. self.onScroll = function(target, ev) {
  330. if($(ev.target).scrollLeft() == ev.target.scrollWidth - ev.target.clientWidth && self.displayedItems().length < self.scrollLoadSource().length) {
  331. self.displayRangeLength += 15;
  332. self.updateDisplayedItems();
  333. }
  334. };
  335. self.drop = function(cont) {
  336. function doDrop() {
  337. self.isLoading(true);
  338. return API.queryTable('deleteAllRow', self.row, "{}").complete(function() {
  339. app.views.tabledata.items.remove(self); //decouple later
  340. self.isLoading(false);
  341. });
  342. }
  343. (cont === true) ? doDrop() : confirm("Confirm Delete", 'Delete row ' + self.row + '? (This cannot be undone)', doDrop);
  344. };
  345. self.setItems = function(cols) {
  346. var colKeys = Object.keys(cols);
  347. var items = [];
  348. for(var q=0; q<colKeys.length; q++) {
  349. items.push(new ColumnRow({name: colKeys[q],
  350. timestamp: cols[colKeys[q]].timestamp,
  351. value: cols[colKeys[q]].value,
  352. parent: self}));
  353. }
  354. self.items(items);
  355. return self.items();
  356. };
  357. self.selectAllVisible = function(){
  358. for(t=0; t<self.displayedItems().length; t++)
  359. self.displayedItems()[t].isSelected(true);
  360. return self;
  361. };
  362. self.toggleSelectAllVisible = function() {
  363. if(self.selected().length != self.displayedItems().length)
  364. return self.selectAllVisible();
  365. return self.deselectAll();
  366. };
  367. self.push = function(item) {
  368. var column = new ColumnRow(item);
  369. self.items.push(column);
  370. };
  371. var _reload = self.reload;
  372. self.reload = function(callback) {
  373. logGA('get_row');
  374. _reload(function() {
  375. if(callback!=null)
  376. callback();
  377. self.isLoading(false);
  378. });
  379. };
  380. };
  381. var ColumnRow = function(options) {
  382. var self = this;
  383. ko.utils.extend(self,options);
  384. DataRow.apply(self,[options]);
  385. self.value = ko.observable(self.value);
  386. self.history = new CellHistoryPage({row: self.parent.row, column: self.name, timestamp: self.timestamp, items: []});
  387. self.drop = function(cont) {
  388. function doDrop() {
  389. logGA('filter_columns');
  390. self.parent.isLoading(true);
  391. return API.queryTable('deleteColumn', self.parent.row, self.name).done(function(data) {
  392. self.parent.items.remove(self);
  393. if(self.parent.items().length > 0)
  394. self.parent.reload(); //change later
  395. self.parent.isLoading(false);
  396. });
  397. }
  398. (cont === true) ? doDrop() : confirm("Confirm Delete", "Are you sure you want to drop this column?", doDrop);
  399. };
  400. self.reload = function(callback, skipPut) {
  401. self.isLoading(true);
  402. API.queryTable('get', self.parent.row, self.name, 'null').done(function(data) {
  403. if(data.length > 0 && !skipPut)
  404. self.value(data[0].value);
  405. if(typeof callback !== "undefined" && callback != null)
  406. callback();
  407. self.isLoading(false);
  408. });
  409. };
  410. self.value.subscribe(function(value) {
  411. //change transport prep to object wrapper
  412. logGA('put_column');
  413. API.queryTable('putColumn', self.parent.row, self.name, "hbase-post-key-" + JSON.stringify(value)).done(function(data) {
  414. self.reload(function(){}, true);
  415. });
  416. self.editing(false);
  417. });
  418. self.editing = ko.observable(false);
  419. self.isLoading = ko.observable(false); //move to baseclass
  420. };
  421. var SortDropDownView = function(options) {
  422. var self = this;
  423. options = ko.utils.extend({
  424. sortFields: {},
  425. target: null
  426. }, options);
  427. BaseModel.apply(self,[options]);
  428. self.target = options.target;
  429. self.sortAsc = ko.observable(true);
  430. self.sortAsc.subscribe(function(){self.sort()});
  431. self.sortField = ko.observable("");
  432. self.sortField.subscribe(function(){self.sort()});
  433. self.sortFields = ko.observableArray(Object.keys(options.sortFields)); // change to ko.computed?
  434. self.sortFunctionHash = ko.observable(options.sortFields);
  435. self.toggleSortMode = function() {
  436. self.sortAsc(!self.sortAsc());
  437. };
  438. self.sort = function() {
  439. if (!self.target || !(self.sortFields().length > 0)) return;
  440. self.target.sort(function(a, b) {
  441. 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
  442. });
  443. };
  444. };
  445. var TableDataRow = function(options) {
  446. var self = this;
  447. options = ko.utils.extend({
  448. name:"",
  449. enabled:true
  450. }, options);
  451. DataRow.apply(self,[options]);
  452. self.name = options['name'];
  453. self.enabled = ko.observable(options['enabled']);
  454. self.toggle = function(viewModel,event){
  455. var action = ['enable','disable'][self.enabled() << 0], el = $(event.currentTarget);
  456. confirm("Confirm "+action, "Are you sure you want to " + action + " this table?", function() //gotta i18n this!
  457. {
  458. el.showIndicator();
  459. return self[action](el).complete(function() {
  460. el.hideIndicator();
  461. });
  462. });
  463. };
  464. self.enable = function(el) {
  465. return API.queryCluster('enableTable',self.name).complete(function() {
  466. self.enabled(true);
  467. });
  468. };
  469. self.disable = function(callback) {
  470. return API.queryCluster('disableTable',self.name).complete(function() {
  471. self.enabled(false);
  472. if($.isFunction(callback)) callback();
  473. });
  474. };
  475. self.drop = function(el) {
  476. return API.queryCluster('deleteTable',self.name);
  477. };
  478. };
  479. var QuerySetPiece = function(options) {
  480. var self = this;
  481. options = ko.utils.extend({
  482. row_key: "null",
  483. scan_length: 1,
  484. prefix: false,
  485. columns: [],
  486. filter: null,
  487. onValidate: function(){}
  488. }, options);
  489. BaseModel.apply(self,[options]);
  490. self.row_key = ko.observable(options.row_key);
  491. self.scan_length = ko.observable(options.scan_length);
  492. self.columns = ko.observableArray(options.columns);
  493. self.prefix = ko.observable(options.prefix);
  494. self.filter = ko.observable(options.filter);
  495. self.editing = ko.observable(true);
  496. self.validate = function() {
  497. if(self.scan_length() <= 0 || self.row_key() == "")
  498. return app.views.tabledata.querySet.remove(self); //change later
  499. return options.onValidate();
  500. };
  501. self.row_key.subscribe(self.validate.bind());
  502. self.scan_length.subscribe(self.validate.bind());
  503. };
  504. var ColumnFamily = function(options) {
  505. this.name = options.name;
  506. this.enabled = ko.observable(options.enabled);
  507. this.toggle = function() {
  508. this.enabled(!this.enabled());
  509. app.views.tabledata.reload();
  510. };
  511. }
  512. //tagsearch
  513. var tagsearch = function() {
  514. var self = this;
  515. self.tags = ko.observableArray();
  516. self.mode = ko.observable('idle');
  517. self.cur_input = ko.observable('');
  518. self.submitted = ko.observable(false);
  519. 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)"];
  520. self.hints = ko.observableArray([ {
  521. hint: 'End Query',
  522. shortcut: ',',
  523. mode: ['rowkey', 'prefix', 'scan'],
  524. selected: false
  525. }, {
  526. hint: 'Mark Row Prefix',
  527. shortcut: '*',
  528. mode: ['rowkey'],
  529. selected: false
  530. }, {
  531. hint: 'Start Scan',
  532. shortcut: '+',
  533. mode: ['rowkey', 'prefix'],
  534. selected: false
  535. }, {
  536. hint: 'Start Select Columns',
  537. shortcut: '[',
  538. mode: ['rowkey', 'prefix'],
  539. selected: false
  540. }, {
  541. hint: 'End Column/Family',
  542. shortcut: ',',
  543. mode: ['columns'],
  544. selected: false
  545. }, {
  546. hint: 'End Select Columns',
  547. shortcut: ']',
  548. mode: ['columns'],
  549. selected: false
  550. },
  551. {
  552. hint: 'Start FilterString',
  553. shortcut: '{',
  554. mode: ['rowkey'],
  555. selected: false
  556. },
  557. {
  558. hint: 'End FilterString',
  559. shortcut: '}',
  560. mode: ['filter'],
  561. selected: false
  562. }
  563. ]);
  564. self.activeHints = ko.computed(function() {
  565. var ret = [];
  566. $(self.hints()).each(function(i, hint) {
  567. if (hint.mode.indexOf(self.mode()) > -1)
  568. ret.push(hint);
  569. });
  570. return ret;
  571. });
  572. self.activeHint = ko.observable(-1);
  573. self.modes = {
  574. 'rowkey': {
  575. hint: 'Row Key Value',
  576. type: 'String'
  577. },
  578. 'scan': {
  579. hint: 'Length of Scan or Row Key',
  580. type: 'Integer'
  581. },
  582. 'columns': {
  583. hint: 'Column Family: Column Name',
  584. type: 'String'
  585. },
  586. 'prefix': {
  587. hint: 'Rows starting with',
  588. type: 'String'
  589. },
  590. 'filter': {
  591. hint: 'Thrift FilterString',
  592. type: 'String'
  593. }
  594. }
  595. self.modeQueue = ['idle'];
  596. self.focused = ko.observable(false);
  597. self.activeSuggestions = ko.observableArray();
  598. self.insertTag = function(tag) {
  599. var mode = tag.indexOf('+') != -1 ? 'scan' : 'rowkey';
  600. var tag = {value: tag, tag: mode} //parse mode
  601. self.tags.push(tag);
  602. }
  603. self.render = function(input, renderers) {
  604. var keys = Object.keys(renderers);
  605. for(var i=0; i<keys.length; i++) {
  606. input = input.replace(renderers[keys[i]].select, function(selected) {
  607. var hasMatched = false;
  608. var processed = selected.replace(renderers[keys[i]].tag, function(tagged) {
  609. hasMatched = true;
  610. 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>";
  611. });
  612. if(hasMatched && renderers[keys[i]]['strip'])
  613. processed = processed.replace(renderers[keys[i]].strip, '');
  614. return processed;
  615. });
  616. }
  617. return input;
  618. };
  619. self.updateMode = function(value) {
  620. self.submitted(false);
  621. var selection = value.slice(0, self.selectionEnd());
  622. var endindex = selection.slice(selection.lastIndexOf(',')).indexOf(',');
  623. if(endindex == -1) endindex = selection.length;
  624. var lastbit = value.substring(selection.lastIndexOf(','), endindex).trim();
  625. if(lastbit == "," || lastbit == "") {
  626. self.mode('idle');
  627. return;
  628. }
  629. var tokens = "[]+*{}";
  630. var m = 'rowkey';
  631. for(var i=selection.length - 1; i>=0; i--) {
  632. if(tokens.indexOf(selection[i]) != -1) {
  633. if(selection[i] == '{')
  634. m = 'filter';
  635. else if(selection[i] == '[')
  636. m = 'columns';
  637. else if(selection[i] == ']' || selection[i] == '}')
  638. m = 'rowkey';
  639. else if(selection[i] == '+')
  640. m = 'scan';
  641. else if(selection[i] == '-')
  642. m = 'prefix';
  643. break;
  644. }
  645. }
  646. self.mode(m.trim());
  647. };
  648. self.selectionStart = ko.observable(0);
  649. self.selectionEnd = ko.observable(0);
  650. self.hintText = ko.computed(function() {
  651. var pre, s, e;
  652. try {
  653. var r = window.getSelection().getRangeAt(0);
  654. pre = r.startContainer.nodeValue;
  655. s = r.startOffset;
  656. e = r.endOffset;
  657. return pre.slice(0, s) + "<span class='selection'>" + pre.slice(s, e) + "</span>" + pre.slice(e);
  658. } catch (e) {
  659. var value = self.cur_input();
  660. var selection = value.slice(0, self.selectionEnd());
  661. var index = selection.lastIndexOf(',') + 1;
  662. var endindex = value.slice(index).indexOf(',');
  663. endindex = endindex == -1 ? value.length : endindex;
  664. pre = value.substring(index, index + endindex);
  665. s = self.selectionStart() - index;
  666. e = self.selectionEnd() - index;
  667. if(s == e)
  668. e += 1;
  669. s = s < 0 ? 0 : s;
  670. e = e > pre.length ? pre.length : e;
  671. }
  672. return pre.slice(0, s) + "<span class='selection'>" + pre.slice(s, e) + "</span>" + pre.slice(e);
  673. });
  674. self.onKeyDown = function(target, ev) {
  675. if(ev.keyCode == 13 && self.cur_input().slice(self.cur_input().lastIndexOf(',')).trim() != ",") {
  676. self.evaluate();
  677. return false;
  678. }
  679. setTimeout(self.updateMenu, 1);
  680. return true;
  681. };
  682. self.updateMenu = function() {
  683. try{
  684. var pos = getEditablePosition(document.getElementById('search-tags'));
  685. self.selectionStart(pos);
  686. self.selectionEnd(pos);
  687. } catch (err) {}
  688. self.updateMode(self.cur_input());
  689. self.updateSuggestions();
  690. };
  691. self.replaceFocusNode = function(text) {
  692. window.getSelection().getRangeAt(0).startContainer.nodeValue = text;
  693. };
  694. self.updateSuggestions = function() {
  695. var val = window.getSelection().getRangeAt(0).startContainer.nodeValue;
  696. switch(self.mode()) {
  697. case 'filter':
  698. var focus = val.replace(/\{|\}|\s|&[^;]+?;/g,"").split(/(AND|OR|SKIP|WHILE)/).slice(-1)[0];
  699. self.activeSuggestions(self.filters.filter(function(a) {
  700. return a.replace(" ","").indexOf(focus) != -1;
  701. }));
  702. return;
  703. default:
  704. self.activeSuggestions([]);
  705. return;
  706. }
  707. }
  708. self.evaluate = function() {
  709. table_search(self.cur_input());
  710. self.submitted(true);
  711. self.mode('idle');
  712. };
  713. $('#search-tags').blur(function(){
  714. self.focused(false);
  715. });
  716. self.doBlur = function() {
  717. if(self.cur_input().trim() == "") {
  718. function doClick() {
  719. if(self.cur_input().trim() != "") return false;
  720. setTimeout(function() {
  721. $('#search-tags').focus();
  722. }, 1);
  723. }
  724. $('#search-tags').html('<small>' + $('#search-tags').data("placeholder") + '</small>').one('click', doClick).find('small').on('mousedown', doClick);
  725. }
  726. }
  727. $('#search-tags').focus(function(){
  728. self.focused(true);
  729. });
  730. };
  731. var CellHistoryPage = function(options) {
  732. var self = this;
  733. self.items = ko.observableArray(options.items);
  734. self.loading = ko.observable(false);
  735. self.reload = function(timestamp, append) {
  736. if(!timestamp)
  737. timestamp = options.timestamp
  738. API.queryTable("getVerTs", options.row, options.column, timestamp, 10, 'null').done(function(res) {
  739. self.loading = ko.observable(true);
  740. if(!append)
  741. self.items(res);
  742. else
  743. self.items(self.items() + res);
  744. self.loading = ko.observable(false);
  745. });
  746. };
  747. };