Project

General

Profile

Statistics
| Revision:

root / trunk / web / dojo / dojox / grid / _FocusManager.js @ 9

History | View | Annotate | Download (11.8 KB)

1 9 andrej.cim
/*
2
        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
3
        Available via Academic Free License >= 2.1 OR the modified BSD license.
4
        see: http://dojotoolkit.org/license for details
5
*/
6
7
8
if(!dojo._hasResource["dojox.grid._FocusManager"]){
9
dojo._hasResource["dojox.grid._FocusManager"]=true;
10
dojo.provide("dojox.grid._FocusManager");
11
dojo.require("dojox.grid.util");
12
dojo.declare("dojox.grid._FocusManager",null,{constructor:function(_1){
13
this.grid=_1;
14
this.cell=null;
15
this.rowIndex=-1;
16
this._connects=[];
17
this.headerMenu=this.grid.headerMenu;
18
this._connects.push(dojo.connect(this.grid.domNode,"onfocus",this,"doFocus"));
19
this._connects.push(dojo.connect(this.grid.domNode,"onblur",this,"doBlur"));
20
this._connects.push(dojo.connect(this.grid.domNode,"oncontextmenu",this,"doContextMenu"));
21
this._connects.push(dojo.connect(this.grid.lastFocusNode,"onfocus",this,"doLastNodeFocus"));
22
this._connects.push(dojo.connect(this.grid.lastFocusNode,"onblur",this,"doLastNodeBlur"));
23
this._connects.push(dojo.connect(this.grid,"_onFetchComplete",this,"_delayedCellFocus"));
24
this._connects.push(dojo.connect(this.grid,"postrender",this,"_delayedHeaderFocus"));
25
},destroy:function(){
26
dojo.forEach(this._connects,dojo.disconnect);
27
delete this.grid;
28
delete this.cell;
29
},_colHeadNode:null,_colHeadFocusIdx:null,_contextMenuBindNode:null,tabbingOut:false,focusClass:"dojoxGridCellFocus",focusView:null,initFocusView:function(){
30
this.focusView=this.grid.views.getFirstScrollingView()||this.focusView;
31
this._initColumnHeaders();
32
},isFocusCell:function(_2,_3){
33
return (this.cell==_2)&&(this.rowIndex==_3);
34
},isLastFocusCell:function(){
35
if(this.cell){
36
return (this.rowIndex==this.grid.rowCount-1)&&(this.cell.index==this.grid.layout.cellCount-1);
37
}
38
return false;
39
},isFirstFocusCell:function(){
40
if(this.cell){
41
return (this.rowIndex===0)&&(this.cell.index===0);
42
}
43
return false;
44
},isNoFocusCell:function(){
45
return (this.rowIndex<0)||!this.cell;
46
},isNavHeader:function(){
47
return (!!this._colHeadNode);
48
},getHeaderIndex:function(){
49
if(this._colHeadNode){
50
return dojo.indexOf(this._findHeaderCells(),this._colHeadNode);
51
}else{
52
return -1;
53
}
54
},_focusifyCellNode:function(_4){
55
var n=this.cell&&this.cell.getNode(this.rowIndex);
56
if(n){
57
dojo.toggleClass(n,this.focusClass,_4);
58
if(_4){
59
var sl=this.scrollIntoView();
60
try{
61
if(!this.grid.edit.isEditing()){
62
dojox.grid.util.fire(n,"focus");
63
if(sl){
64
this.cell.view.scrollboxNode.scrollLeft=sl;
65
}
66
}
67
}
68
catch(e){
69
}
70
}
71
}
72
},_delayedCellFocus:function(){
73
if(this.isNavHeader()||!this.grid._focused){
74
return;
75
}
76
var n=this.cell&&this.cell.getNode(this.rowIndex);
77
if(n){
78
try{
79
if(!this.grid.edit.isEditing()){
80
dojo.toggleClass(n,this.focusClass,true);
81
this.blurHeader();
82
dojox.grid.util.fire(n,"focus");
83
}
84
}
85
catch(e){
86
}
87
}
88
},_delayedHeaderFocus:function(){
89
if(this.isNavHeader()){
90
this.focusHeader();
91
this.grid.domNode.focus();
92
}
93
},_initColumnHeaders:function(){
94
var _5=this._findHeaderCells();
95
for(var i=0;i<_5.length;i++){
96
this._connects.push(dojo.connect(_5[i],"onfocus",this,"doColHeaderFocus"));
97
this._connects.push(dojo.connect(_5[i],"onblur",this,"doColHeaderBlur"));
98
}
99
},_findHeaderCells:function(){
100
var _6=dojo.query("th",this.grid.viewsHeaderNode);
101
var _7=[];
102
for(var i=0;i<_6.length;i++){
103
var _8=_6[i];
104
var _9=dojo.hasAttr(_8,"tabIndex");
105
var _a=dojo.attr(_8,"tabIndex");
106
if(_9&&_a<0){
107
_7.push(_8);
108
}
109
}
110
return _7;
111
},_setActiveColHeader:function(_b,_c,_d){
112
dojo.attr(this.grid.domNode,"aria-activedescendant",_b.id);
113
if(_d!=null&&_d>=0&&_d!=_c){
114
dojo.toggleClass(this._findHeaderCells()[_d],this.focusClass,false);
115
}
116
dojo.toggleClass(_b,this.focusClass,true);
117
this._colHeadNode=_b;
118
this._colHeadFocusIdx=_c;
119
this._scrollHeader(this._colHeadFocusIdx);
120
},scrollIntoView:function(){
121
var _e=(this.cell?this._scrollInfo(this.cell):null);
122
if(!_e||!_e.s){
123
return null;
124
}
125
var rt=this.grid.scroller.findScrollTop(this.rowIndex);
126
if(_e.n&&_e.sr){
127
if(_e.n.offsetLeft+_e.n.offsetWidth>_e.sr.l+_e.sr.w){
128
_e.s.scrollLeft=_e.n.offsetLeft+_e.n.offsetWidth-_e.sr.w;
129
}else{
130
if(_e.n.offsetLeft<_e.sr.l){
131
_e.s.scrollLeft=_e.n.offsetLeft;
132
}
133
}
134
}
135
if(_e.r&&_e.sr){
136
if(rt+_e.r.offsetHeight>_e.sr.t+_e.sr.h){
137
this.grid.setScrollTop(rt+_e.r.offsetHeight-_e.sr.h);
138
}else{
139
if(rt<_e.sr.t){
140
this.grid.setScrollTop(rt);
141
}
142
}
143
}
144
return _e.s.scrollLeft;
145
},_scrollInfo:function(_f,_10){
146
if(_f){
147
var cl=_f,sbn=cl.view.scrollboxNode,_11={w:sbn.clientWidth,l:sbn.scrollLeft,t:sbn.scrollTop,h:sbn.clientHeight},rn=cl.view.getRowNode(this.rowIndex);
148
return {c:cl,s:sbn,sr:_11,n:(_10?_10:_f.getNode(this.rowIndex)),r:rn};
149
}
150
return null;
151
},_scrollHeader:function(_12){
152
var _13=null;
153
if(this._colHeadNode){
154
var _14=this.grid.getCell(_12);
155
_13=this._scrollInfo(_14,_14.getNode(0));
156
}
157
if(_13&&_13.s&&_13.sr&&_13.n){
158
var _15=_13.sr.l+_13.sr.w;
159
if(_13.n.offsetLeft+_13.n.offsetWidth>_15){
160
_13.s.scrollLeft=_13.n.offsetLeft+_13.n.offsetWidth-_13.sr.w;
161
}else{
162
if(_13.n.offsetLeft<_13.sr.l){
163
_13.s.scrollLeft=_13.n.offsetLeft;
164
}else{
165
if(dojo.isIE<=7&&_14&&_14.view.headerNode){
166
_14.view.headerNode.scrollLeft=_13.s.scrollLeft;
167
}
168
}
169
}
170
}
171
},_isHeaderHidden:function(){
172
var _16=this.focusView;
173
if(!_16){
174
for(var i=0,_17;(_17=this.grid.views.views[i]);i++){
175
if(_17.headerNode){
176
_16=_17;
177
break;
178
}
179
}
180
}
181
return (_16&&dojo.getComputedStyle(_16.headerNode).display=="none");
182
},colSizeAdjust:function(e,_18,_19){
183
var _1a=this._findHeaderCells();
184
var _1b=this.focusView;
185
if(!_1b){
186
for(var i=0,_1c;(_1c=this.grid.views.views[i]);i++){
187
if(_1c.header.tableMap.map){
188
_1b=_1c;
189
break;
190
}
191
}
192
}
193
var _1d=_1a[_18];
194
if(!_1b||(_18==_1a.length-1&&_18===0)){
195
return;
196
}
197
_1b.content.baseDecorateEvent(e);
198
e.cellNode=_1d;
199
e.cellIndex=_1b.content.getCellNodeIndex(e.cellNode);
200
e.cell=(e.cellIndex>=0?this.grid.getCell(e.cellIndex):null);
201
if(_1b.header.canResize(e)){
202
var _1e={l:_19};
203
var _1f=_1b.header.colResizeSetup(e,false);
204
_1b.header.doResizeColumn(_1f,null,_1e);
205
_1b.update();
206
}
207
},styleRow:function(_20){
208
return;
209
},setFocusIndex:function(_21,_22){
210
this.setFocusCell(this.grid.getCell(_22),_21);
211
},setFocusCell:function(_23,_24){
212
if(_23&&!this.isFocusCell(_23,_24)){
213
this.tabbingOut=false;
214
if(this._colHeadNode){
215
this.blurHeader();
216
}
217
this._colHeadNode=this._colHeadFocusIdx=null;
218
this.focusGridView();
219
this._focusifyCellNode(false);
220
this.cell=_23;
221
this.rowIndex=_24;
222
this._focusifyCellNode(true);
223
}
224
if(dojo.isOpera){
225
setTimeout(dojo.hitch(this.grid,"onCellFocus",this.cell,this.rowIndex),1);
226
}else{
227
this.grid.onCellFocus(this.cell,this.rowIndex);
228
}
229
},next:function(){
230
if(this.cell){
231
var row=this.rowIndex,col=this.cell.index+1,cc=this.grid.layout.cellCount-1,rc=this.grid.rowCount-1;
232
if(col>cc){
233
col=0;
234
row++;
235
}
236
if(row>rc){
237
col=cc;
238
row=rc;
239
}
240
if(this.grid.edit.isEditing()){
241
var _25=this.grid.getCell(col);
242
if(!this.isLastFocusCell()&&!_25.editable){
243
this.cell=_25;
244
this.rowIndex=row;
245
this.next();
246
return;
247
}
248
}
249
this.setFocusIndex(row,col);
250
}
251
},previous:function(){
252
if(this.cell){
253
var row=(this.rowIndex||0),col=(this.cell.index||0)-1;
254
if(col<0){
255
col=this.grid.layout.cellCount-1;
256
row--;
257
}
258
if(row<0){
259
row=0;
260
col=0;
261
}
262
if(this.grid.edit.isEditing()){
263
var _26=this.grid.getCell(col);
264
if(!this.isFirstFocusCell()&&!_26.editable){
265
this.cell=_26;
266
this.rowIndex=row;
267
this.previous();
268
return;
269
}
270
}
271
this.setFocusIndex(row,col);
272
}
273
},move:function(_27,_28){
274
var _29=_28<0?-1:1;
275
if(this.isNavHeader()){
276
var _2a=this._findHeaderCells();
277
var _2b=currentIdx=dojo.indexOf(_2a,this._colHeadNode);
278
currentIdx+=_28;
279
while(currentIdx>=0&&currentIdx<_2a.length&&_2a[currentIdx].style.display=="none"){
280
currentIdx+=_29;
281
}
282
if((currentIdx>=0)&&(currentIdx<_2a.length)){
283
this._setActiveColHeader(_2a[currentIdx],currentIdx,_2b);
284
}
285
}else{
286
if(this.cell){
287
var sc=this.grid.scroller,r=this.rowIndex,rc=this.grid.rowCount-1,row=Math.min(rc,Math.max(0,r+_27));
288
if(_27){
289
if(_27>0){
290
if(row>sc.getLastPageRow(sc.page)){
291
this.grid.setScrollTop(this.grid.scrollTop+sc.findScrollTop(row)-sc.findScrollTop(r));
292
}
293
}else{
294
if(_27<0){
295
if(row<=sc.getPageRow(sc.page)){
296
this.grid.setScrollTop(this.grid.scrollTop-sc.findScrollTop(r)-sc.findScrollTop(row));
297
}
298
}
299
}
300
}
301
var cc=this.grid.layout.cellCount-1,i=this.cell.index,col=Math.min(cc,Math.max(0,i+_28));
302
var _2c=this.grid.getCell(col);
303
while(col>=0&&col<cc&&_2c&&_2c.hidden===true){
304
col+=_29;
305
_2c=this.grid.getCell(col);
306
}
307
if(!_2c||_2c.hidden===true){
308
col=i;
309
}
310
this.setFocusIndex(row,col);
311
if(_27){
312
this.grid.updateRow(r);
313
}
314
}
315
}
316
},previousKey:function(e){
317
if(this.grid.edit.isEditing()){
318
dojo.stopEvent(e);
319
this.previous();
320
}else{
321
if(!this.isNavHeader()&&!this._isHeaderHidden()){
322
this.grid.domNode.focus();
323
dojo.stopEvent(e);
324
}else{
325
this.tabOut(this.grid.domNode);
326
if(this._colHeadFocusIdx!=null){
327
dojo.toggleClass(this._findHeaderCells()[this._colHeadFocusIdx],this.focusClass,false);
328
this._colHeadFocusIdx=null;
329
}
330
this._focusifyCellNode(false);
331
}
332
}
333
},nextKey:function(e){
334
var _2d=(this.grid.rowCount===0);
335
if(e.target===this.grid.domNode&&this._colHeadFocusIdx==null){
336
this.focusHeader();
337
dojo.stopEvent(e);
338
}else{
339
if(this.isNavHeader()){
340
this.blurHeader();
341
if(!this.findAndFocusGridCell()){
342
this.tabOut(this.grid.lastFocusNode);
343
}
344
this._colHeadNode=this._colHeadFocusIdx=null;
345
}else{
346
if(this.grid.edit.isEditing()){
347
dojo.stopEvent(e);
348
this.next();
349
}else{
350
this.tabOut(this.grid.lastFocusNode);
351
}
352
}
353
}
354
},tabOut:function(_2e){
355
this.tabbingOut=true;
356
_2e.focus();
357
},focusGridView:function(){
358
dojox.grid.util.fire(this.focusView,"focus");
359
},focusGrid:function(_2f){
360
this.focusGridView();
361
this._focusifyCellNode(true);
362
},findAndFocusGridCell:function(){
363
var _30=true;
364
var _31=(this.grid.rowCount===0);
365
if(this.isNoFocusCell()&&!_31){
366
var _32=0;
367
var _33=this.grid.getCell(_32);
368
if(_33.hidden){
369
_32=this.isNavHeader()?this._colHeadFocusIdx:0;
370
}
371
this.setFocusIndex(0,_32);
372
}else{
373
if(this.cell&&!_31){
374
if(this.focusView&&!this.focusView.rowNodes[this.rowIndex]){
375
this.grid.scrollToRow(this.rowIndex);
376
}
377
this.focusGrid();
378
}else{
379
_30=false;
380
}
381
}
382
this._colHeadNode=this._colHeadFocusIdx=null;
383
return _30;
384
},focusHeader:function(){
385
var _34=this._findHeaderCells();
386
var _35=this._colHeadFocusIdx;
387
if(this._isHeaderHidden()){
388
this.findAndFocusGridCell();
389
}else{
390
if(!this._colHeadFocusIdx){
391
if(this.isNoFocusCell()){
392
this._colHeadFocusIdx=0;
393
}else{
394
this._colHeadFocusIdx=this.cell.index;
395
}
396
}
397
}
398
this._colHeadNode=_34[this._colHeadFocusIdx];
399
while(this._colHeadNode&&this._colHeadFocusIdx>=0&&this._colHeadFocusIdx<_34.length&&this._colHeadNode.style.display=="none"){
400
this._colHeadFocusIdx++;
401
this._colHeadNode=_34[this._colHeadFocusIdx];
402
}
403
if(this._colHeadNode&&this._colHeadNode.style.display!="none"){
404
if(this.headerMenu&&this._contextMenuBindNode!=this.grid.domNode){
405
this.headerMenu.unBindDomNode(this.grid.viewsHeaderNode);
406
this.headerMenu.bindDomNode(this.grid.domNode);
407
this._contextMenuBindNode=this.grid.domNode;
408
}
409
this._setActiveColHeader(this._colHeadNode,this._colHeadFocusIdx,_35);
410
this._scrollHeader(this._colHeadFocusIdx);
411
this._focusifyCellNode(false);
412
}else{
413
this.findAndFocusGridCell();
414
}
415
},blurHeader:function(){
416
dojo.removeClass(this._colHeadNode,this.focusClass);
417
dojo.removeAttr(this.grid.domNode,"aria-activedescendant");
418
if(this.headerMenu&&this._contextMenuBindNode==this.grid.domNode){
419
var _36=this.grid.viewsHeaderNode;
420
this.headerMenu.unBindDomNode(this.grid.domNode);
421
this.headerMenu.bindDomNode(_36);
422
this._contextMenuBindNode=_36;
423
}
424
},doFocus:function(e){
425
if(e&&e.target!=e.currentTarget){
426
dojo.stopEvent(e);
427
return;
428
}
429
if(!this.tabbingOut){
430
this.focusHeader();
431
}
432
this.tabbingOut=false;
433
dojo.stopEvent(e);
434
},doBlur:function(e){
435
dojo.stopEvent(e);
436
},doContextMenu:function(e){
437
if(!this.headerMenu){
438
dojo.stopEvent(e);
439
}
440
},doLastNodeFocus:function(e){
441
if(this.tabbingOut){
442
this._focusifyCellNode(false);
443
}else{
444
if(this.grid.rowCount>0){
445
if(this.isNoFocusCell()){
446
this.setFocusIndex(0,0);
447
}
448
this._focusifyCellNode(true);
449
}else{
450
this.focusHeader();
451
}
452
}
453
this.tabbingOut=false;
454
dojo.stopEvent(e);
455
},doLastNodeBlur:function(e){
456
dojo.stopEvent(e);
457
},doColHeaderFocus:function(e){
458
this._setActiveColHeader(e.target,dojo.attr(e.target,"idx"),this._colHeadFocusIdx);
459
this._scrollHeader(this.getHeaderIndex());
460
dojo.stopEvent(e);
461
},doColHeaderBlur:function(e){
462
dojo.toggleClass(e.target,this.focusClass,false);
463
}});
464
}