Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.

        Available via Academic Free License >= 2.1 OR the modified BSD license.

        see: http://dojotoolkit.org/license for details

*/

if(!dojo._hasResource["dojox.grid._FocusManager"]){

dojo._hasResource["dojox.grid._FocusManager"]=true;

dojo.provide("dojox.grid._FocusManager");

dojo.require("dojox.grid.util");

dojo.declare("dojox.grid._FocusManager",null,{constructor:function(_1){

this.grid=_1;

this.cell=null;

this.rowIndex=-1;

this._connects=[];

this.headerMenu=this.grid.headerMenu;

this._connects.push(dojo.connect(this.grid.domNode,"onfocus",this,"doFocus"));

this._connects.push(dojo.connect(this.grid.domNode,"onblur",this,"doBlur"));

this._connects.push(dojo.connect(this.grid.domNode,"oncontextmenu",this,"doContextMenu"));

this._connects.push(dojo.connect(this.grid.lastFocusNode,"onfocus",this,"doLastNodeFocus"));

this._connects.push(dojo.connect(this.grid.lastFocusNode,"onblur",this,"doLastNodeBlur"));

this._connects.push(dojo.connect(this.grid,"_onFetchComplete",this,"_delayedCellFocus"));

this._connects.push(dojo.connect(this.grid,"postrender",this,"_delayedHeaderFocus"));

},destroy:function(){

dojo.forEach(this._connects,dojo.disconnect);

delete this.grid;

delete this.cell;

},_colHeadNode:null,_colHeadFocusIdx:null,_contextMenuBindNode:null,tabbingOut:false,focusClass:"dojoxGridCellFocus",focusView:null,initFocusView:function(){

this.focusView=this.grid.views.getFirstScrollingView()||this.focusView;

this._initColumnHeaders();

},isFocusCell:function(_2,_3){

return (this.cell==_2)&&(this.rowIndex==_3);

},isLastFocusCell:function(){

if(this.cell){

return (this.rowIndex==this.grid.rowCount-1)&&(this.cell.index==this.grid.layout.cellCount-1);

}

return false;

},isFirstFocusCell:function(){

if(this.cell){

return (this.rowIndex===0)&&(this.cell.index===0);

}

return false;

},isNoFocusCell:function(){

return (this.rowIndex<0)||!this.cell;

},isNavHeader:function(){

return (!!this._colHeadNode);

},getHeaderIndex:function(){

if(this._colHeadNode){

return dojo.indexOf(this._findHeaderCells(),this._colHeadNode);

}else{

return -1;

}

},_focusifyCellNode:function(_4){

var n=this.cell&&this.cell.getNode(this.rowIndex);

if(n){

dojo.toggleClass(n,this.focusClass,_4);

if(_4){

var sl=this.scrollIntoView();

try{

if(!this.grid.edit.isEditing()){

dojox.grid.util.fire(n,"focus");

if(sl){

this.cell.view.scrollboxNode.scrollLeft=sl;

}

}

}

catch(e){

}

}

}

},_delayedCellFocus:function(){

if(this.isNavHeader()||!this.grid._focused){

return;

}

var n=this.cell&&this.cell.getNode(this.rowIndex);

if(n){

try{

if(!this.grid.edit.isEditing()){

dojo.toggleClass(n,this.focusClass,true);

this.blurHeader();

dojox.grid.util.fire(n,"focus");

}

}

catch(e){

}

}

},_delayedHeaderFocus:function(){

if(this.isNavHeader()){

this.focusHeader();

this.grid.domNode.focus();

}

},_initColumnHeaders:function(){

var _5=this._findHeaderCells();

for(var i=0;i<_5.length;i++){

this._connects.push(dojo.connect(_5[i],"onfocus",this,"doColHeaderFocus"));

this._connects.push(dojo.connect(_5[i],"onblur",this,"doColHeaderBlur"));

}

},_findHeaderCells:function(){

var _6=dojo.query("th",this.grid.viewsHeaderNode);

var _7=[];

for(var i=0;i<_6.length;i++){

var _8=_6[i];

var _9=dojo.hasAttr(_8,"tabIndex");

var _a=dojo.attr(_8,"tabIndex");

if(_9&&_a<0){

_7.push(_8);

}

}

return _7;

},_setActiveColHeader:function(_b,_c,_d){

dojo.attr(this.grid.domNode,"aria-activedescendant",_b.id);

if(_d!=null&&_d>=0&&_d!=_c){

dojo.toggleClass(this._findHeaderCells()[_d],this.focusClass,false);

}

dojo.toggleClass(_b,this.focusClass,true);

this._colHeadNode=_b;

this._colHeadFocusIdx=_c;

this._scrollHeader(this._colHeadFocusIdx);

},scrollIntoView:function(){

var _e=(this.cell?this._scrollInfo(this.cell):null);

if(!_e||!_e.s){

return null;

}

var rt=this.grid.scroller.findScrollTop(this.rowIndex);

if(_e.n&&_e.sr){

if(_e.n.offsetLeft+_e.n.offsetWidth>_e.sr.l+_e.sr.w){

_e.s.scrollLeft=_e.n.offsetLeft+_e.n.offsetWidth-_e.sr.w;

}else{

if(_e.n.offsetLeft<_e.sr.l){

_e.s.scrollLeft=_e.n.offsetLeft;

}

}

}

if(_e.r&&_e.sr){

if(rt+_e.r.offsetHeight>_e.sr.t+_e.sr.h){

this.grid.setScrollTop(rt+_e.r.offsetHeight-_e.sr.h);

}else{

if(rt<_e.sr.t){

this.grid.setScrollTop(rt);

}

}

}

return _e.s.scrollLeft;

},_scrollInfo:function(_f,_10){

if(_f){

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);

return {c:cl,s:sbn,sr:_11,n:(_10?_10:_f.getNode(this.rowIndex)),r:rn};

}

return null;

},_scrollHeader:function(_12){

var _13=null;

if(this._colHeadNode){

var _14=this.grid.getCell(_12);

_13=this._scrollInfo(_14,_14.getNode(0));

}

if(_13&&_13.s&&_13.sr&&_13.n){

var _15=_13.sr.l+_13.sr.w;

if(_13.n.offsetLeft+_13.n.offsetWidth>_15){

_13.s.scrollLeft=_13.n.offsetLeft+_13.n.offsetWidth-_13.sr.w;

}else{

if(_13.n.offsetLeft<_13.sr.l){

_13.s.scrollLeft=_13.n.offsetLeft;

}else{

if(dojo.isIE<=7&&_14&&_14.view.headerNode){

_14.view.headerNode.scrollLeft=_13.s.scrollLeft;

}

}

}

}

},_isHeaderHidden:function(){

var _16=this.focusView;

if(!_16){

for(var i=0,_17;(_17=this.grid.views.views[i]);i++){

if(_17.headerNode){

_16=_17;

break;

}

}

}

return (_16&&dojo.getComputedStyle(_16.headerNode).display=="none");

},colSizeAdjust:function(e,_18,_19){

var _1a=this._findHeaderCells();

var _1b=this.focusView;

if(!_1b){

for(var i=0,_1c;(_1c=this.grid.views.views[i]);i++){

if(_1c.header.tableMap.map){

_1b=_1c;

break;

}

}

}

var _1d=_1a[_18];

if(!_1b||(_18==_1a.length-1&&_18===0)){

return;

}

_1b.content.baseDecorateEvent(e);

e.cellNode=_1d;

e.cellIndex=_1b.content.getCellNodeIndex(e.cellNode);

e.cell=(e.cellIndex>=0?this.grid.getCell(e.cellIndex):null);

if(_1b.header.canResize(e)){

var _1e={l:_19};

var _1f=_1b.header.colResizeSetup(e,false);

_1b.header.doResizeColumn(_1f,null,_1e);

_1b.update();

}

},styleRow:function(_20){

return;

},setFocusIndex:function(_21,_22){

this.setFocusCell(this.grid.getCell(_22),_21);

},setFocusCell:function(_23,_24){

if(_23&&!this.isFocusCell(_23,_24)){

this.tabbingOut=false;

if(this._colHeadNode){

this.blurHeader();

}

this._colHeadNode=this._colHeadFocusIdx=null;

this.focusGridView();

this._focusifyCellNode(false);

this.cell=_23;

this.rowIndex=_24;

this._focusifyCellNode(true);

}

if(dojo.isOpera){

setTimeout(dojo.hitch(this.grid,"onCellFocus",this.cell,this.rowIndex),1);

}else{

this.grid.onCellFocus(this.cell,this.rowIndex);

}

},next:function(){

if(this.cell){

var row=this.rowIndex,col=this.cell.index+1,cc=this.grid.layout.cellCount-1,rc=this.grid.rowCount-1;

if(col>cc){

col=0;

row++;

}

if(row>rc){

col=cc;

row=rc;

}

if(this.grid.edit.isEditing()){

var _25=this.grid.getCell(col);

if(!this.isLastFocusCell()&&!_25.editable){

this.cell=_25;

this.rowIndex=row;

this.next();

return;

}

}

this.setFocusIndex(row,col);

}

},previous:function(){

if(this.cell){

var row=(this.rowIndex||0),col=(this.cell.index||0)-1;

if(col<0){

col=this.grid.layout.cellCount-1;

row--;

}

if(row<0){

row=0;

col=0;

}

if(this.grid.edit.isEditing()){

var _26=this.grid.getCell(col);

if(!this.isFirstFocusCell()&&!_26.editable){

this.cell=_26;

this.rowIndex=row;

this.previous();

return;

}

}

this.setFocusIndex(row,col);

}

},move:function(_27,_28){

var _29=_28<0?-1:1;

if(this.isNavHeader()){

var _2a=this._findHeaderCells();

var _2b=currentIdx=dojo.indexOf(_2a,this._colHeadNode);

currentIdx+=_28;

while(currentIdx>=0&&currentIdx<_2a.length&&_2a[currentIdx].style.display=="none"){

currentIdx+=_29;

}

if((currentIdx>=0)&&(currentIdx<_2a.length)){

this._setActiveColHeader(_2a[currentIdx],currentIdx,_2b);

}

}else{

if(this.cell){

var sc=this.grid.scroller,r=this.rowIndex,rc=this.grid.rowCount-1,row=Math.min(rc,Math.max(0,r+_27));

if(_27){

if(_27>0){

if(row>sc.getLastPageRow(sc.page)){

this.grid.setScrollTop(this.grid.scrollTop+sc.findScrollTop(row)-sc.findScrollTop(r));

}

}else{

if(_27<0){

if(row<=sc.getPageRow(sc.page)){

this.grid.setScrollTop(this.grid.scrollTop-sc.findScrollTop(r)-sc.findScrollTop(row));

}

}

}

}

var cc=this.grid.layout.cellCount-1,i=this.cell.index,col=Math.min(cc,Math.max(0,i+_28));

var _2c=this.grid.getCell(col);

while(col>=0&&col<cc&&_2c&&_2c.hidden===true){

col+=_29;

_2c=this.grid.getCell(col);

}

if(!_2c||_2c.hidden===true){

col=i;

}

this.setFocusIndex(row,col);

if(_27){

this.grid.updateRow(r);

}

}

}

},previousKey:function(e){

if(this.grid.edit.isEditing()){

dojo.stopEvent(e);

this.previous();

}else{

if(!this.isNavHeader()&&!this._isHeaderHidden()){

this.grid.domNode.focus();

dojo.stopEvent(e);

}else{

this.tabOut(this.grid.domNode);

if(this._colHeadFocusIdx!=null){

dojo.toggleClass(this._findHeaderCells()[this._colHeadFocusIdx],this.focusClass,false);

this._colHeadFocusIdx=null;

}

this._focusifyCellNode(false);

}

}

},nextKey:function(e){

var _2d=(this.grid.rowCount===0);

if(e.target===this.grid.domNode&&this._colHeadFocusIdx==null){

this.focusHeader();

dojo.stopEvent(e);

}else{

if(this.isNavHeader()){

this.blurHeader();

if(!this.findAndFocusGridCell()){

this.tabOut(this.grid.lastFocusNode);

}

this._colHeadNode=this._colHeadFocusIdx=null;

}else{

if(this.grid.edit.isEditing()){

dojo.stopEvent(e);

this.next();

}else{

this.tabOut(this.grid.lastFocusNode);

}

}

}

},tabOut:function(_2e){

this.tabbingOut=true;

_2e.focus();

},focusGridView:function(){

dojox.grid.util.fire(this.focusView,"focus");

},focusGrid:function(_2f){

this.focusGridView();

this._focusifyCellNode(true);

},findAndFocusGridCell:function(){

var _30=true;

var _31=(this.grid.rowCount===0);

if(this.isNoFocusCell()&&!_31){

var _32=0;

var _33=this.grid.getCell(_32);

if(_33.hidden){

_32=this.isNavHeader()?this._colHeadFocusIdx:0;

}

this.setFocusIndex(0,_32);

}else{

if(this.cell&&!_31){

if(this.focusView&&!this.focusView.rowNodes[this.rowIndex]){

this.grid.scrollToRow(this.rowIndex);

}

this.focusGrid();

}else{

_30=false;

}

}

this._colHeadNode=this._colHeadFocusIdx=null;

return _30;

},focusHeader:function(){

var _34=this._findHeaderCells();

var _35=this._colHeadFocusIdx;

if(this._isHeaderHidden()){

this.findAndFocusGridCell();

}else{

if(!this._colHeadFocusIdx){

if(this.isNoFocusCell()){

this._colHeadFocusIdx=0;

}else{

this._colHeadFocusIdx=this.cell.index;

}

}

}

this._colHeadNode=_34[this._colHeadFocusIdx];

while(this._colHeadNode&&this._colHeadFocusIdx>=0&&this._colHeadFocusIdx<_34.length&&this._colHeadNode.style.display=="none"){

this._colHeadFocusIdx++;

this._colHeadNode=_34[this._colHeadFocusIdx];

}

if(this._colHeadNode&&this._colHeadNode.style.display!="none"){

if(this.headerMenu&&this._contextMenuBindNode!=this.grid.domNode){

this.headerMenu.unBindDomNode(this.grid.viewsHeaderNode);

this.headerMenu.bindDomNode(this.grid.domNode);

this._contextMenuBindNode=this.grid.domNode;

}

this._setActiveColHeader(this._colHeadNode,this._colHeadFocusIdx,_35);

this._scrollHeader(this._colHeadFocusIdx);

this._focusifyCellNode(false);

}else{

this.findAndFocusGridCell();

}

},blurHeader:function(){

dojo.removeClass(this._colHeadNode,this.focusClass);

dojo.removeAttr(this.grid.domNode,"aria-activedescendant");

if(this.headerMenu&&this._contextMenuBindNode==this.grid.domNode){

var _36=this.grid.viewsHeaderNode;

this.headerMenu.unBindDomNode(this.grid.domNode);

this.headerMenu.bindDomNode(_36);

this._contextMenuBindNode=_36;

}

},doFocus:function(e){

if(e&&e.target!=e.currentTarget){

dojo.stopEvent(e);

return;

}

if(!this.tabbingOut){

this.focusHeader();

}

this.tabbingOut=false;

dojo.stopEvent(e);

},doBlur:function(e){

dojo.stopEvent(e);

},doContextMenu:function(e){

if(!this.headerMenu){

dojo.stopEvent(e);

}

},doLastNodeFocus:function(e){

if(this.tabbingOut){

this._focusifyCellNode(false);

}else{

if(this.grid.rowCount>0){

if(this.isNoFocusCell()){

this.setFocusIndex(0,0);

}

this._focusifyCellNode(true);

}else{

this.focusHeader();

}

}

this.tabbingOut=false;

dojo.stopEvent(e);

},doLastNodeBlur:function(e){

dojo.stopEvent(e);

},doColHeaderFocus:function(e){

this._setActiveColHeader(e.target,dojo.attr(e.target,"idx"),this._colHeadFocusIdx);

this._scrollHeader(this.getHeaderIndex());

dojo.stopEvent(e);

},doColHeaderBlur:function(e){

dojo.toggleClass(e.target,this.focusClass,false);

}});

}