| /* |
| Copyright (c) 2004-2009, 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._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.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,tabbingOut:false,focusClass:"dojoxGridCellFocus",focusView:null,initFocusView:function(){ |
| this.focusView=this.grid.views.getFirstScrollingView(); |
| this._initColumnHeaders(); |
| },isFocusCell:function(_2,_3){ |
| return (this.cell==_2)&&(this.rowIndex==_3); |
| },isLastFocusCell:function(){ |
| return (this.rowIndex==this.grid.rowCount-1)&&(this.cell.index==this.grid.layout.cellCount-1); |
| },isFirstFocusCell:function(){ |
| return (this.rowIndex==0)&&(this.cell.index==0); |
| },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()){ |
| return; |
| } |
| var n=this.cell&&this.cell.getNode(this.rowIndex); |
| if(n){ |
| try{ |
| if(!this.grid.edit.isEditing()){ |
| dojo.toggleClass(n,this.focusClass,true); |
| dojox.grid.util.fire(n,"focus"); |
| } |
| } |
| catch(e){ |
| } |
| } |
| },_delayedHeaderFocus:function(){ |
| if(this.isNavHeader()){ |
| this.focusHeader(); |
| } |
| },_initColumnHeaders:function(){ |
| this._connects.push(dojo.connect(this.grid.viewsHeaderNode,"onblur",this,"doBlurHeader")); |
| var _8=this._findHeaderCells(); |
| for(var i=0;i<_8.length;i++){ |
| this._connects.push(dojo.connect(_8[i],"onfocus",this,"doColHeaderFocus")); |
| this._connects.push(dojo.connect(_8[i],"onblur",this,"doColHeaderBlur")); |
| } |
| },_findHeaderCells:function(){ |
| var _a=dojo.query("th",this.grid.viewsHeaderNode); |
| var _b=[]; |
| for(var i=0;i<_a.length;i++){ |
| var _d=_a[i]; |
| var _e=dojo.hasAttr(_d,"tabindex"); |
| var _f=dojo.attr(_d,"tabindex"); |
| if(_e&&_f<0){ |
| _b.push(_d); |
| } |
| } |
| return _b; |
| },scrollIntoView:function(){ |
| var _10=(this.cell?this._scrollInfo(this.cell):null); |
| if(!_10){ |
| return null; |
| } |
| var rt=this.grid.scroller.findScrollTop(this.rowIndex); |
| if(_10.n.offsetLeft+_10.n.offsetWidth>_10.sr.l+_10.sr.w){ |
| _10.s.scrollLeft=_10.n.offsetLeft+_10.n.offsetWidth-_10.sr.w; |
| }else{ |
| if(_10.n.offsetLeft<_10.sr.l){ |
| _10.s.scrollLeft=_10.n.offsetLeft; |
| } |
| } |
| if(rt+_10.r.offsetHeight>_10.sr.t+_10.sr.h){ |
| this.grid.setScrollTop(rt+_10.r.offsetHeight-_10.sr.h); |
| }else{ |
| if(rt<_10.sr.t){ |
| this.grid.setScrollTop(rt); |
| } |
| } |
| return _10.s.scrollLeft; |
| },_scrollInfo:function(_12,_13){ |
| if(_12){ |
| var cl=_12,sbn=cl.view.scrollboxNode,_16={w:sbn.clientWidth,l:sbn.scrollLeft,t:sbn.scrollTop,h:sbn.clientHeight},rn=cl.view.getRowNode(this.rowIndex); |
| return {c:cl,s:sbn,sr:_16,n:(_13?_13:_12.getNode(this.rowIndex)),r:rn}; |
| } |
| return null; |
| },_scrollHeader:function(_18){ |
| var _19=null; |
| if(this._colHeadNode){ |
| _19=this._scrollInfo(this.grid.getCell(_18),this._colHeadNode); |
| } |
| if(_19){ |
| if(_19.n.offsetLeft+_19.n.offsetWidth>_19.sr.l+_19.sr.w){ |
| _19.s.scrollLeft=_19.n.offsetLeft+_19.n.offsetWidth-_19.sr.w; |
| }else{ |
| if(_19.n.offsetLeft<_19.sr.l){ |
| _19.s.scrollLeft=_19.n.offsetLeft; |
| } |
| } |
| } |
| },styleRow:function(_1a){ |
| return; |
| },setFocusIndex:function(_1b,_1c){ |
| this.setFocusCell(this.grid.getCell(_1c),_1b); |
| },setFocusCell:function(_1d,_1e){ |
| if(_1d&&!this.isFocusCell(_1d,_1e)){ |
| this.tabbingOut=false; |
| this._colHeadNode=null; |
| this.focusGridView(); |
| this._focusifyCellNode(false); |
| this.cell=_1d; |
| this.rowIndex=_1e; |
| 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(){ |
| 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; |
| } |
| this.setFocusIndex(row,col); |
| },previous:function(){ |
| 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; |
| } |
| this.setFocusIndex(row,col); |
| },move:function(_25,_26){ |
| if(this.isNavHeader()){ |
| var _27=this._findHeaderCells(); |
| var _28=dojo.indexOf(_27,this._colHeadNode); |
| _28+=_26; |
| if((_28>=0)&&(_28<_27.length)){ |
| this._colHeadNode=_27[_28]; |
| this._colHeadNode.focus(); |
| this._scrollHeader(_28); |
| } |
| }else{ |
| var sc=this.grid.scroller,r=this.rowIndex,rc=this.grid.rowCount-1,row=Math.min(rc,Math.max(0,r+_25)); |
| if(_25){ |
| if(_25>0){ |
| if(row>sc.getLastPageRow(sc.page)){ |
| this.grid.setScrollTop(this.grid.scrollTop+sc.findScrollTop(row)-sc.findScrollTop(r)); |
| } |
| }else{ |
| if(_25<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+_26)); |
| this.setFocusIndex(row,col); |
| if(_25){ |
| this.grid.updateRow(r); |
| } |
| } |
| },previousKey:function(e){ |
| if(!this.isNavHeader()){ |
| this.focusHeader(); |
| dojo.stopEvent(e); |
| }else{ |
| if(this.grid.edit.isEditing()){ |
| dojo.stopEvent(e); |
| this.previous(); |
| }else{ |
| this.tabOut(this.grid.domNode); |
| } |
| } |
| },nextKey:function(e){ |
| var _32=this.grid.rowCount==0; |
| if(e.target===this.grid.domNode){ |
| this.focusHeader(); |
| dojo.stopEvent(e); |
| }else{ |
| if(this.isNavHeader()){ |
| this._colHeadNode=null; |
| if(this.isNoFocusCell()&&!_32){ |
| this.setFocusIndex(0,0); |
| if(!this.grid.selection.isSelected(0)){ |
| this.grid.selection.clickSelect(0,false,false); |
| } |
| }else{ |
| if(this.cell&&!_32){ |
| if(this.focusView&&!this.focusView.rowNodes[this.rowIndex]){ |
| this.grid.scrollToRow(this.rowIndex); |
| } |
| this.focusGrid(); |
| }else{ |
| this.tabOut(this.grid.lastFocusNode); |
| } |
| } |
| }else{ |
| if(this.grid.edit.isEditing()){ |
| dojo.stopEvent(e); |
| this.next(); |
| }else{ |
| this.tabOut(this.grid.lastFocusNode); |
| } |
| } |
| } |
| },tabOut:function(_33){ |
| this.tabbingOut=true; |
| _33.focus(); |
| },focusGridView:function(){ |
| dojox.grid.util.fire(this.focusView,"focus"); |
| },focusGrid:function(_34){ |
| this.focusGridView(); |
| this._focusifyCellNode(true); |
| },focusHeader:function(){ |
| var _35=this._findHeaderCells(); |
| if(this.isNoFocusCell()){ |
| this._colHeadNode=_35[0]; |
| }else{ |
| this._colHeadNode=_35[this.cell.index]; |
| } |
| if(this._colHeadNode){ |
| dojox.grid.util.fire(this._colHeadNode,"focus"); |
| this._focusifyCellNode(false); |
| } |
| },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); |
| },doBlurHeader:function(e){ |
| 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){ |
| dojo.toggleClass(e.target,this.focusClass,true); |
| },doColHeaderBlur:function(e){ |
| dojo.toggleClass(e.target,this.focusClass,false); |
| }}); |
| } |
