cacert-testmgr/external/ZendFramework-1.9.5/externals/dojo/dojox/grid/Selection.js
Markus Warg 8398c9048d initially import ZendFramework-1.9.5 into repository
code was modified slightly, so the code differs from the original downloadable 1.9.5 version
2010-03-31 10:12:32 +02:00

240 lines
4.8 KiB
JavaScript

dojo.provide('dojox.grid.Selection');
dojo.declare("dojox.grid.Selection", null, {
// summary:
// Manages row selection for grid. Owned by grid and used internally
// for selection. Override to implement custom selection.
constructor: function(inGrid){
this.grid = inGrid;
this.selected = [];
this.setMode(inGrid.selectionMode);
},
mode: 'extended',
selected: null,
updating: 0,
selectedIndex: -1,
setMode: function(mode){
if(this.selected.length){
this.deselectAll();
}
if(mode != 'extended' && mode != 'multiple' && mode != 'single' && mode != 'none'){
this.mode = 'extended';
}else{
this.mode = mode;
}
},
onCanSelect: function(inIndex){
return this.grid.onCanSelect(inIndex);
},
onCanDeselect: function(inIndex){
return this.grid.onCanDeselect(inIndex);
},
onSelected: function(inIndex){
},
onDeselected: function(inIndex){
},
//onSetSelected: function(inIndex, inSelect) { };
onChanging: function(){
},
onChanged: function(){
},
isSelected: function(inIndex){
if(this.mode == 'none'){
return false;
}
return this.selected[inIndex];
},
getFirstSelected: function(){
if(!this.selected.length||this.mode == 'none'){ return -1; }
for(var i=0, l=this.selected.length; i<l; i++){
if(this.selected[i]){
return i;
}
}
return -1;
},
getNextSelected: function(inPrev){
if(this.mode == 'none'){ return -1; }
for(var i=inPrev+1, l=this.selected.length; i<l; i++){
if(this.selected[i]){
return i;
}
}
return -1;
},
getSelected: function(){
var result = [];
for(var i=0, l=this.selected.length; i<l; i++){
if(this.selected[i]){
result.push(i);
}
}
return result;
},
getSelectedCount: function(){
var c = 0;
for(var i=0; i<this.selected.length; i++){
if(this.selected[i]){
c++;
}
}
return c;
},
_beginUpdate: function(){
if(this.updating == 0){
this.onChanging();
}
this.updating++;
},
_endUpdate: function(){
this.updating--;
if(this.updating == 0){
this.onChanged();
}
},
select: function(inIndex){
if(this.mode == 'none'){ return; }
if(this.mode != 'multiple'){
this.deselectAll(inIndex);
this.addToSelection(inIndex);
}else{
this.toggleSelect(inIndex);
}
},
addToSelection: function(inIndex){
if(this.mode == 'none'){ return; }
inIndex = Number(inIndex);
if(this.selected[inIndex]){
this.selectedIndex = inIndex;
}else{
if(this.onCanSelect(inIndex) !== false){
this.selectedIndex = inIndex;
this._beginUpdate();
this.selected[inIndex] = true;
//this.grid.onSelected(inIndex);
this.onSelected(inIndex);
//this.onSetSelected(inIndex, true);
this._endUpdate();
}
}
},
deselect: function(inIndex){
if(this.mode == 'none'){ return; }
inIndex = Number(inIndex);
if(this.selectedIndex == inIndex){
this.selectedIndex = -1;
}
if(this.selected[inIndex]){
if(this.onCanDeselect(inIndex) === false){
return;
}
this._beginUpdate();
delete this.selected[inIndex];
//this.grid.onDeselected(inIndex);
this.onDeselected(inIndex);
//this.onSetSelected(inIndex, false);
this._endUpdate();
}
},
setSelected: function(inIndex, inSelect){
this[(inSelect ? 'addToSelection' : 'deselect')](inIndex);
},
toggleSelect: function(inIndex){
this.setSelected(inIndex, !this.selected[inIndex])
},
_range: function(inFrom, inTo, func){
var s = (inFrom >= 0 ? inFrom : inTo), e = inTo;
if(s > e){
e = s;
s = inTo;
}
for(var i=s; i<=e; i++){
func(i);
}
},
selectRange: function(inFrom, inTo){
this._range(inFrom, inTo, dojo.hitch(this, "addToSelection"));
},
deselectRange: function(inFrom, inTo){
this._range(inFrom, inTo, dojo.hitch(this, "deselect"));
},
insert: function(inIndex){
this.selected.splice(inIndex, 0, false);
if(this.selectedIndex >= inIndex){
this.selectedIndex++;
}
},
remove: function(inIndex){
this.selected.splice(inIndex, 1);
if(this.selectedIndex >= inIndex){
this.selectedIndex--;
}
},
deselectAll: function(inExcept){
for(var i in this.selected){
if((i!=inExcept)&&(this.selected[i]===true)){
this.deselect(i);
}
}
},
clickSelect: function(inIndex, inCtrlKey, inShiftKey){
if(this.mode == 'none'){ return; }
this._beginUpdate();
if(this.mode != 'extended'){
this.select(inIndex);
}else{
var lastSelected = this.selectedIndex;
if(!inCtrlKey){
this.deselectAll(inIndex);
}
if(inShiftKey){
this.selectRange(lastSelected, inIndex);
}else if(inCtrlKey){
this.toggleSelect(inIndex);
}else{
this.addToSelection(inIndex)
}
}
this._endUpdate();
},
clickSelectEvent: function(e){
this.clickSelect(e.rowIndex, dojo.dnd.getCopyKeyState(e), e.shiftKey);
},
clear: function(){
this._beginUpdate();
this.deselectAll();
this._endUpdate();
}
});