1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
|
/************************************************************************
* CORE jTable module *
*************************************************************************/
(function ($) {
$.widget("hik.jtable", {
/************************************************************************
* DEFAULT OPTIONS / EVENTS *
*************************************************************************/
options: {
//Options
actions: {},
fields: {},
animationsEnabled: true,
defaultDateFormat: 'yy-mm-dd',
dialogShowEffect: 'fade',
dialogHideEffect: 'fade',
showCloseButton: false,
loadingAnimationDelay: 500,
ajaxSettings: {
type: 'POST',
dataType: 'json'
},
//Events
closeRequested: function (event, data) { },
formCreated: function (event, data) { },
formSubmitting: function (event, data) { },
formClosed: function (event, data) { },
loadingRecords: function (event, data) { },
recordsLoaded: function (event, data) { },
rowInserted: function (event, data) { },
rowsRemoved: function (event, data) { },
//Localization
messages: {
serverCommunicationError: 'An error occured while communicating to the server.',
loadingMessage: 'Loading records...',
noDataAvailable: 'No data available!',
areYouSure: 'Are you sure?',
save: 'Save',
saving: 'Saving',
cancel: 'Cancel',
error: 'Error',
close: 'Close',
cannotLoadOptionsFor: 'Can not load options for field {0}'
}
},
/************************************************************************
* PRIVATE FIELDS *
*************************************************************************/
_$mainContainer: null, //Reference to the main container of all elements that are created by this plug-in (jQuery object)
_$table: null, //Reference to the main <table> (jQuery object)
_$tableBody: null, //Reference to <body> in the table (jQuery object)
_$tableRows: null, //Array of all <tr> in the table (except "no data" row) (jQuery object array)
_$bottomPanel: null, //Reference to the panel at the bottom of the table (jQuery object)
_$busyDiv: null, //Reference to the div that is used to block UI while busy (jQuery object)
_$busyMessageDiv: null, //Reference to the div that is used to show some message when UI is blocked (jQuery object)
_$errorDialogDiv: null, //Reference to the error dialog div (jQuery object)
_columnList: null, //Name of all data columns in the table (select column and command columns are not included) (string array)
_fieldList: null, //Name of all fields of a record (defined in fields option) (string array)
_keyField: null, //Name of the key field of a record (that is defined as 'key: true' in the fields option) (string)
_firstDataColumnOffset: 0, //Start index of first record field in table columns (some columns can be placed before first data column, such as select checkbox column) (integer)
_lastPostData: null, //Last posted data on load method (object)
_cache: null, //General purpose cache dictionary (object)
/************************************************************************
* CONSTRUCTOR AND INITIALIZATION METHODS *
*************************************************************************/
/* Contructor.
*************************************************************************/
_create: function () {
//Initialization
this._normalizeFieldsOptions();
this._initializeFields();
this._createFieldAndColumnList();
//Creating DOM elements
this._createMainContainer();
this._createTableTitle();
this._createTable();
this._createBottomPanel();
this._createBusyPanel();
this._createErrorDialogDiv();
this._addNoDataRow();
},
/* Normalizes some options for all fields (sets default values).
*************************************************************************/
_normalizeFieldsOptions: function () {
var self = this;
$.each(self.options.fields, function (fieldName, props) {
self._normalizeFieldOptions(fieldName, props);
});
},
/* Normalizes some options for a field (sets default values).
*************************************************************************/
_normalizeFieldOptions: function (fieldName, props) {
props.listClass = props.listClass || '';
props.inputClass = props.inputClass || '';
},
/* Intializes some private variables.
*************************************************************************/
_initializeFields: function () {
this._lastPostData = {};
this._$tableRows = [];
this._columnList = [];
this._fieldList = [];
this._cache = [];
},
/* Fills _fieldList, _columnList arrays and sets _keyField variable.
*************************************************************************/
_createFieldAndColumnList: function () {
var self = this;
$.each(self.options.fields, function (name, props) {
//Add field to the field list
self._fieldList.push(name);
//Check if this field is the key field
if (props.key == true) {
self._keyField = name;
}
//Add field to column list if it is shown in the table
if (props.list != false && props.type != 'hidden') {
self._columnList.push(name);
}
});
},
/* Creates the main container div.
*************************************************************************/
_createMainContainer: function () {
this._$mainContainer = $('<div />')
.addClass('jtable-main-container')
.appendTo(this.element);
},
/* Creates title of the table if a title supplied in options.
*************************************************************************/
_createTableTitle: function () {
var self = this;
if (!self.options.title) {
return;
}
var $titleDiv = $('<div />')
.addClass('jtable-title')
.appendTo(self._$mainContainer);
$('<div />')
.addClass('jtable-title-text')
.appendTo($titleDiv)
.append(self.options.title);
if (self.options.showCloseButton) {
var $textSpan = $('<span />')
.html(self.options.messages.close);
$('<button></button>')
.addClass('jtable-command-button jtable-close-button')
.attr('title', self.options.messages.close)
.append($textSpan)
.appendTo($titleDiv)
.click(function (e) {
e.preventDefault();
e.stopPropagation();
self._onCloseRequested();
});
}
},
/* Creates the table.
*************************************************************************/
_createTable: function () {
this._$table = $('<table></table>')
.addClass('jtable')
.appendTo(this._$mainContainer);
this._createTableHead();
this._createTableBody();
},
/* Creates header (all column headers) of the table.
*************************************************************************/
_createTableHead: function () {
var $thead = $('<thead></thead>')
.appendTo(this._$table);
this._addRowToTableHead($thead);
},
/* Adds tr element to given thead element
*************************************************************************/
_addRowToTableHead: function ($thead) {
var $tr = $('<tr></tr>')
.appendTo($thead);
this._addColumnsToHeaderRow($tr);
},
/* Adds column header cells to given tr element.
*************************************************************************/
_addColumnsToHeaderRow: function ($tr) {
for (var i = 0; i < this._columnList.length; i++) {
var fieldName = this._columnList[i];
var $headerCell = this._createHeaderCellForField(fieldName, this.options.fields[fieldName]);
$headerCell.appendTo($tr);
}
},
/* Creates a header cell for given field.
* Returns th jQuery object.
*************************************************************************/
_createHeaderCellForField: function (fieldName, field) {
field.width = field.width || '10%'; //default column width: 10%.
var $headerTextSpan = $('<span />')
.addClass('jtable-column-header-text')
.html(field.title);
var $headerContainerDiv = $('<div />')
.addClass('jtable-column-header-container')
.append($headerTextSpan);
var $th = $('<th></th>')
.addClass('jtable-column-header')
.css('width', field.width)
.data('fieldName', fieldName)
.append($headerContainerDiv);
return $th;
},
/* Creates an empty header cell that can be used as command column headers.
*************************************************************************/
_createEmptyCommandHeader: function () {
return $('<th></th>')
.addClass('jtable-command-column-header')
.css('width', '1%');
},
/* Creates tbody tag and adds to the table.
*************************************************************************/
_createTableBody: function () {
this._$tableBody = $('<tbody></tbody>').appendTo(this._$table);
},
/* Creates bottom panel and adds to the page.
*************************************************************************/
_createBottomPanel: function () {
this._$bottomPanel = $('<div />')
.addClass('jtable-bottom-panel')
.appendTo(this._$mainContainer);
$('<div />').addClass('jtable-left-area').appendTo(this._$bottomPanel);
$('<div />').addClass('jtable-right-area').appendTo(this._$bottomPanel);
},
/* Creates a div to block UI while jTable is busy.
*************************************************************************/
_createBusyPanel: function () {
this._$busyMessageDiv = $('<div />').addClass('jtable-busy-message').prependTo(this._$mainContainer);
this._$busyDiv = $('<div />').addClass('jtable-busy-panel-background').prependTo(this._$mainContainer);
this._hideBusy();
},
/* Creates and prepares error dialog div.
*************************************************************************/
_createErrorDialogDiv: function () {
var self = this;
self._$errorDialogDiv = $('<div></div>').appendTo(self._$mainContainer);
self._$errorDialogDiv.dialog({
autoOpen: false,
show: self.options.dialogShowEffect,
hide: self.options.dialogHideEffect,
modal: true,
title: self.options.messages.error,
buttons: [{
text: self.options.messages.close,
click: function () {
self._$errorDialogDiv.dialog('close');
}
}]
});
},
/************************************************************************
* PUBLIC METHODS *
*************************************************************************/
/* Loads data using AJAX call, clears table and fills with new data.
*************************************************************************/
load: function (postData, completeCallback) {
this._lastPostData = postData;
this._reloadTable(completeCallback);
},
/* Refreshes (re-loads) table data with last postData.
*************************************************************************/
reload: function (completeCallback) {
this._reloadTable(completeCallback);
},
/* Gets a jQuery row object according to given record key
*************************************************************************/
getRowByKey: function (key) {
for (var i = 0; i < this._$tableRows.length; i++) {
if (key == this._getKeyValueOfRecord(this._$tableRows[i].data('record'))) {
return this._$tableRows[i];
}
}
return null;
},
/* Completely removes the table from it's container.
*************************************************************************/
destroy: function () {
this.element.empty();
$.Widget.prototype.destroy.call(this);
},
/************************************************************************
* PRIVATE METHODS *
*************************************************************************/
/* LOADING RECORDS *****************************************************/
/* Performs an AJAX call to reload data of the table.
*************************************************************************/
_reloadTable: function (completeCallback) {
var self = this;
//Disable table since it's busy
self._showBusy(self.options.messages.loadingMessage, self.options.loadingAnimationDelay);
//Generate URL (with query string parameters) to load records
var loadUrl = self._createRecordLoadUrl();
//Load data from server
self._onLoadingRecords();
self._ajax({
url: loadUrl,
data: self._lastPostData,
success: function (data) {
self._hideBusy();
//Show the error message if server returns error
if (data.Result != 'OK') {
self._showError(data.Message);
return;
}
//Re-generate table rows
self._removeAllRows('reloading');
self._addRecordsToTable(data.Records);
self._onRecordsLoaded(data);
//Call complete callback
if (completeCallback) {
completeCallback();
}
},
error: function () {
self._hideBusy();
self._showError(self.options.messages.serverCommunicationError);
}
});
},
/* Creates URL to load records.
*************************************************************************/
_createRecordLoadUrl: function () {
return this.options.actions.listAction;
},
/* TABLE MANIPULATION METHODS *******************************************/
/* Creates a row from given record
*************************************************************************/
_createRowFromRecord: function (record) {
var $tr = $('<tr></tr>')
.addClass('jtable-data-row')
.attr('data-record-key', this._getKeyValueOfRecord(record))
.data('record', record);
this._addCellsToRowUsingRecord($tr);
return $tr;
},
/* Adds all cells to given row.
*************************************************************************/
_addCellsToRowUsingRecord: function ($row) {
var record = $row.data('record');
for (var i = 0; i < this._columnList.length; i++) {
this._createCellForRecordField(record, this._columnList[i])
.appendTo($row);
}
},
/* Create a cell for given field.
*************************************************************************/
_createCellForRecordField: function (record, fieldName) {
return $('<td></td>')
.addClass(this.options.fields[fieldName].listClass)
.append((this._getDisplayTextForRecordField(record, fieldName)));
},
/* Adds a list of records to the table.
*************************************************************************/
_addRecordsToTable: function (records) {
var self = this;
$.each(records, function (index, record) {
self._addRow(self._createRowFromRecord(record));
});
self._refreshRowStyles();
},
/* Adds a single row to the table.
* NOTE: THIS METHOD IS DEPRECATED AND WILL BE REMOVED FROM FEATURE RELEASES.
* USE _addRow METHOD.
*************************************************************************/
_addRowToTable: function ($tableRow, index, isNewRow, animationsEnabled) {
var options = {
index: this._normalizeNumber(index, 0, this._$tableRows.length, this._$tableRows.length)
};
if (isNewRow == true) {
options.isNewRow = true;
}
if (animationsEnabled == false) {
options.animationsEnabled = false;
}
this._addRow($tableRow, options);
},
/* Adds a single row to the table.
*************************************************************************/
_addRow: function ($row, options) {
//Set defaults
options = $.extend({
index: this._$tableRows.length,
isNewRow: false,
animationsEnabled: true
}, options);
//Remove 'no data' row if this is first row
if (this._$tableRows.length <= 0) {
this._removeNoDataRow();
}
//Add new row to the table according to it's index
options.index = this._normalizeNumber(options.index, 0, this._$tableRows.length, this._$tableRows.length);
if (options.index == this._$tableRows.length) {
//add as last row
this._$tableBody.append($row);
this._$tableRows.push($row);
} else if (options.index == 0) {
//add as first row
this._$tableBody.prepend($row);
this._$tableRows.unshift($row);
} else {
//insert to specified index
this._$tableRows[options.index - 1].after($row);
this._$tableRows.splice(options.index, 0, $row);
}
this._onRowInserted($row, options.isNewRow);
//Show animation if needed
if (options.isNewRow) {
this._refreshRowStyles();
if (this.options.animationsEnabled && options.animationsEnabled) {
this._showNewRowAnimation($row);
}
}
},
/* Shows created animation for a table row
* TODO: Make this animation cofigurable and changable
*************************************************************************/
_showNewRowAnimation: function ($tableRow) {
$tableRow.addClass('jtable-row-created', 'slow', '', function () {
$tableRow.removeClass('jtable-row-created', 5000);
});
},
/* Removes a row or rows (jQuery selection) from table.
*************************************************************************/
_removeRowsFromTable: function ($rows, reason) {
var self = this;
//Check if any row specified
if ($rows.length <= 0) {
return;
}
//remove from DOM
$rows.remove();
//remove from _$tableRows array
$rows.each(function () {
self._$tableRows.splice(self._findRowIndex($(this)), 1);
});
self._onRowsRemoved($rows, reason);
//Add 'no data' row if all rows removed from table
if (self._$tableRows.length == 0) {
self._addNoDataRow();
}
self._refreshRowStyles();
},
/* Finds index of a row in table.
*************************************************************************/
_findRowIndex: function ($row) {
return this._findIndexInArray($row, this._$tableRows, function ($row1, $row2) {
return $row1.data('record') == $row2.data('record');
});
},
/* Removes all rows in the table and adds 'no data' row.
*************************************************************************/
_removeAllRows: function (reason) {
//If no rows does exists, do nothing
if (this._$tableRows.length <= 0) {
return;
}
//Select all rows (to pass it on raising _onRowsRemoved event)
var $rows = this._$tableBody.find('tr.jtable-data-row');
//Remove all rows from DOM and the _$tableRows array
this._$tableBody.empty();
this._$tableRows = [];
this._onRowsRemoved($rows, reason);
//Add 'no data' row since we removed all rows
this._addNoDataRow();
},
/* Adds "no data available" row to the table.
*************************************************************************/
_addNoDataRow: function () {
var $tr = $('<tr></tr>')
.addClass('jtable-no-data-row')
.appendTo(this._$tableBody);
var totalColumnCount = this._$table.find('thead th').length;
$('<td></td>')
.attr('colspan', totalColumnCount)
.html(this.options.messages.noDataAvailable)
.appendTo($tr);
},
/* Removes "no data available" row from the table.
*************************************************************************/
_removeNoDataRow: function () {
this._$tableBody.find('.jtable-no-data-row').remove();
},
/* Refreshes styles of all rows in the table
*************************************************************************/
_refreshRowStyles: function () {
for (var i = 0; i < this._$tableRows.length; i++) {
if (i % 2 == 0) {
this._$tableRows[i].addClass('jtable-row-even');
} else {
this._$tableRows[i].removeClass('jtable-row-even');
}
}
},
/* RENDERING FIELD VALUES ***********************************************/
/* Gets text for a field of a record according to it's type.
*************************************************************************/
_getDisplayTextForRecordField: function (record, fieldName) {
var field = this.options.fields[fieldName];
var fieldValue = record[fieldName];
//if this is a custom field, call display function
if (field.display) {
return field.display({ record: record });
}
if (field.type == 'date') {
return this._getDisplayTextForDateRecordField(field, fieldValue);
} else if (field.type == 'checkbox') {
return this._getCheckBoxTextForFieldByValue(fieldName, fieldValue);
} else if (field.options) {
return this._getOptionsWithCaching(fieldName)[fieldValue];
} else {
return fieldValue;
}
},
/* Gets text for a date field.
*************************************************************************/
_getDisplayTextForDateRecordField: function (field, fieldValue) {
if (!fieldValue) {
return '';
}
var displayFormat = field.displayFormat || this.options.defaultDateFormat;
var date = this._parseDate(fieldValue);
return $.datepicker.formatDate(displayFormat, date);
},
/* Parses given date string to a javascript Date object.
* Given string must be formatted one of the samples shown below:
* /Date(1320259705710)/
* 2011-01-01 20:32:42 (YYYY-MM-DD HH:MM:SS)
* 2011-01-01 (YYYY-MM-DD)
*************************************************************************/
_parseDate: function (dateString) {
if (dateString.indexOf('Date') >= 0) { //Format: /Date(1320259705710)/
return new Date(
parseInt(dateString.substr(6))
);
} else if (dateString.length == 10) { //Format: 2011-01-01
return new Date(
parseInt(dateString.substr(0, 4)),
parseInt(dateString.substr(5, 2)) - 1,
parseInt(dateString.substr(8, 2))
);
} else if (dateString.length == 19) { //Format: 2011-01-01 20:32:42
return new Date(
parseInt(dateString.substr(0, 4)),
parseInt(dateString.substr(5, 2)) - 1,
parseInt(dateString.substr(8, 2)),
parseInt(dateString.substr(11, 2)),
parseInt(dateString.substr(14, 2)),
parseInt(dateString.substr(17, 2))
);
} else {
this._logWarn('Given date is not properly formatted: ' + dateString);
return 'format error!';
}
},
/* ERROR DIALOG *********************************************************/
/* Shows error message dialog with given message.
*************************************************************************/
_showError: function (message) {
this._$errorDialogDiv.html(message).dialog('open');
},
/* BUSY PANEL ***********************************************************/
/* Shows busy indicator and blocks table UI.
* TODO: Make this cofigurable and changable
*************************************************************************/
_setBusyTimer: null, //TODO: Think for a better way!
_showBusy: function (message, delay) {
var self = this;
var show = function () {
if (!self._$busyMessageDiv.is(':visible')) {
self._$busyDiv.width(self._$mainContainer.width());
self._$busyDiv.height(self._$mainContainer.height());
self._$busyDiv.show();
self._$busyMessageDiv.show();
}
self._$busyMessageDiv.html(message);
};
//TODO: Put an overlay always (without color) to not allow to click the table
//TODO: and change it visible when timeout occurs.
if (delay) {
self._setBusyTimer = setTimeout(show, delay);
} else {
show();
}
},
/* Hides busy indicator and unblocks table UI.
*************************************************************************/
_hideBusy: function () {
clearTimeout(this._setBusyTimer);
this._$busyDiv.hide();
this._$busyMessageDiv.html('').hide();
},
/* Returns true if jTable is busy.
*************************************************************************/
_isBusy: function () {
return this._$busyMessageDiv.is(':visible');
},
/* COMMON METHODS *******************************************************/
/* Performs an AJAX call to specified URL.
* THIS METHOD IS DEPRECATED AND WILL BE REMOVED FROM FEATURE RELEASES.
* USE _ajax METHOD.
*************************************************************************/
_performAjaxCall: function (url, postData, async, success, error) {
this._ajax({
url: url,
data: postData,
async: async,
success: success,
error: error
});
},
/* This method is used to perform AJAX calls in jTable instead of direct
* usage of jQuery.ajax method.
*************************************************************************/
_ajax: function (options) {
var opts = $.extend({}, this.options.ajaxSettings, options);
//Override success
opts.success = function (data) {
if (options.success) {
options.success(data);
}
};
//Override error
opts.error = function () {
if (options.error) {
options.error();
}
};
//Override complete
opts.complete = function () {
if (options.complete) {
options.complete();
}
};
$.ajax(opts);
},
/* Gets value of key field of a record.
*************************************************************************/
_getKeyValueOfRecord: function (record) {
return record[this._keyField];
},
/************************************************************************
* EVENT RAISING METHODS *
*************************************************************************/
_onLoadingRecords: function () {
this._trigger("loadingRecords", null, {});
},
_onRecordsLoaded: function (data) {
this._trigger("recordsLoaded", null, { records: data.Records, serverResponse: data });
},
_onRowInserted: function ($row, isNewRow) {
this._trigger("rowInserted", null, { row: $row, record: $row.data('record'), isNewRow: isNewRow });
},
_onRowsRemoved: function ($rows, reason) {
this._trigger("rowsRemoved", null, { rows: $rows, reason: reason });
},
_onCloseRequested: function () {
this._trigger("closeRequested", null, {});
}
});
}(jQuery));
|
