+++ /dev/null
-if(!dojo._hasResource["dojox.grid._grid.focus"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojox.grid._grid.focus"] = true;
-dojo.provide("dojox.grid._grid.focus");
-
-// focus management
-dojo.declare("dojox.grid.focus", null, {
- // summary:
- // Controls grid cell focus. Owned by grid and used internally for focusing.
- // Note: grid cell actually receives keyboard input only when cell is being edited.
- constructor: function(inGrid){
- this.grid = inGrid;
- this.cell = null;
- this.rowIndex = -1;
- dojo.connect(this.grid.domNode, "onfocus", this, "doFocus");
- },
- tabbingOut: false,
- focusClass: "dojoxGrid-cell-focus",
- focusView: null,
- initFocusView: function(){
- this.focusView = this.grid.views.getFirstScrollingView();
- },
- isFocusCell: function(inCell, inRowIndex){
- // summary:
- // states if the given cell is focused
- // inCell: object
- // grid cell object
- // inRowIndex: int
- // grid row index
- // returns:
- // true of the given grid cell is focused
- return (this.cell == inCell) && (this.rowIndex == inRowIndex);
- },
- 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;
- },
- _focusifyCellNode: function(inBork){
- var n = this.cell && this.cell.getNode(this.rowIndex);
- if(n){
- dojo.toggleClass(n, this.focusClass, inBork);
- if (inBork){
- this.scrollIntoView();
- try{
- if(!this.grid.edit.isEditing())
- dojox.grid.fire(n, "focus");
- }catch(e){}
- }
- }
- },
- scrollIntoView: function() {
- if(!this.cell){
- return;
- }
- var
- c = this.cell,
- s = c.view.scrollboxNode,
- sr = {
- w: s.clientWidth,
- l: s.scrollLeft,
- t: s.scrollTop,
- h: s.clientHeight
- },
- n = c.getNode(this.rowIndex),
- r = c.view.getRowNode(this.rowIndex),
- rt = this.grid.scroller.findScrollTop(this.rowIndex);
- // place cell within horizontal view
- if(n.offsetLeft + n.offsetWidth > sr.l + sr.w){
- s.scrollLeft = n.offsetLeft + n.offsetWidth - sr.w;
- }else if(n.offsetLeft < sr.l){
- s.scrollLeft = n.offsetLeft;
- }
- // place cell within vertical view
- if(rt + r.offsetHeight > sr.t + sr.h){
- this.grid.setScrollTop(rt + r.offsetHeight - sr.h);
- }else if(rt < sr.t){
- this.grid.setScrollTop(rt);
- }
- },
- styleRow: function(inRow){
- return;
- },
- setFocusIndex: function(inRowIndex, inCellIndex){
- // summary:
- // focuses the given grid cell
- // inRowIndex: int
- // grid row index
- // inCellIndex: int
- // grid cell index
- this.setFocusCell(this.grid.getCell(inCellIndex), inRowIndex);
- },
- setFocusCell: function(inCell, inRowIndex){
- // summary:
- // focuses the given grid cell
- // inCell: object
- // grid cell object
- // inRowIndex: int
- // grid row index
- if(inCell && !this.isFocusCell(inCell, inRowIndex)){
- this.tabbingOut = false;
- this.focusGridView();
- this._focusifyCellNode(false);
- this.cell = inCell;
- this.rowIndex = inRowIndex;
- this._focusifyCellNode(true);
- }
- // even if this cell isFocusCell, the document focus may need to be rejiggered
- // call opera on delay to prevent keypress from altering focus
- if(dojo.isOpera){
- setTimeout(dojo.hitch(this.grid, 'onCellFocus', this.cell, this.rowIndex), 1);
- }else{
- this.grid.onCellFocus(this.cell, this.rowIndex);
- }
- },
- next: function(){
- // summary:
- // focus next grid 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;
- }
- this.setFocusIndex(row, col);
- },
- previous: function(){
- // summary:
- // focus previous grid 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;
- }
- this.setFocusIndex(row, col);
- },
- move: function(inRowDelta, inColDelta) {
- // summary:
- // focus grid cell based on position relative to current focus
- // inRowDelta: int
- // vertical distance from current focus
- // inColDelta: int
- // horizontal distance from current focus
- var
- rc = this.grid.rowCount-1,
- cc = this.grid.layout.cellCount-1,
- r = this.rowIndex,
- i = this.cell.index,
- row = Math.min(rc, Math.max(0, r+inRowDelta)),
- col = Math.min(cc, Math.max(0, i+inColDelta));
- this.setFocusIndex(row, col);
- if(inRowDelta){
- this.grid.updateRow(r);
- }
- },
- previousKey: function(e){
- if(this.isFirstFocusCell()){
- this.tabOut(this.grid.domNode);
- }else{
- dojo.stopEvent(e);
- this.previous();
- }
- },
- nextKey: function(e) {
- if(this.isLastFocusCell()){
- this.tabOut(this.grid.lastFocusNode);
- }else{
- dojo.stopEvent(e);
- this.next();
- }
- },
- tabOut: function(inFocusNode){
- this.tabbingOut = true;
- inFocusNode.focus();
- },
- focusGridView: function(){
- dojox.grid.fire(this.focusView, "focus");
- },
- focusGrid: function(inSkipFocusCell){
- this.focusGridView();
- this._focusifyCellNode(true);
- },
- doFocus: function(e){
- // trap focus only for grid dom node
- if(e && e.target != e.currentTarget){
- return;
- }
- // do not focus for scrolling if grid is about to blur
- if(!this.tabbingOut && this.isNoFocusCell()){
- // establish our virtual-focus, if necessary
- this.setFocusIndex(0, 0);
- }
- this.tabbingOut = false;
- }
-});
-
-}
projects / eow / blobdiff