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