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/**
@class YAHOO.ext.grid.EditorSelectionModel
* Extends {@link YAHOO.ext.grid.DefaultSelectionModel} to enable cell navigation. <br><br>
@extends YAHOO.ext.grid.DefaultSelectionModel
@constructor
*/
YAHOO.ext.grid.EditorSelectionModel = function(){
YAHOO.ext.grid.EditorSelectionModel.superclass.constructor.call(this);
/** Number of clicks to activate a cell (for editing) - valid values are 1 or 2
* @type Number */
this.clicksToActivateCell = 1;
this.events['cellactivate'] = new YAHOO.util.CustomEvent('cellactivate');
};
YAHOO.extendX(YAHOO.ext.grid.EditorSelectionModel, YAHOO.ext.grid.DefaultSelectionModel);
YAHOO.ext.grid.EditorSelectionModel.prototype.disableArrowNavigation = false;
YAHOO.ext.grid.EditorSelectionModel.prototype.controlForArrowNavigation = false;
/** @ignore */
YAHOO.ext.grid.EditorSelectionModel.prototype.initEvents = function(){
this.grid.addListener("cellclick", this.onCellClick, this, true);
this.grid.addListener("celldblclick", this.onCellDblClick, this, true);
this.grid.addListener("keydown", this.keyDown, this, true);
};
YAHOO.ext.grid.EditorSelectionModel.prototype.onCellClick = function(grid, rowIndex, colIndex){
if(this.clicksToActivateCell == 1){
var row = this.grid.getRow(rowIndex);
var cell = row.childNodes[colIndex];
if(cell){
this.activate(row, cell);
}
}
};
YAHOO.ext.grid.EditorSelectionModel.prototype.activate = function(row, cell){
this.fireEvent('cellactivate', this, row, cell);
this.grid.doEdit(row, cell);
};
YAHOO.ext.grid.EditorSelectionModel.prototype.onCellDblClick = function(grid, rowIndex, colIndex){
if(this.clicksToActivateCell == 2){
var row = this.grid.getRow(rowIndex);
var cell = row.childNodes[colIndex];
if(cell){
this.activate(row, cell);
}
}
};
/** @ignore */
YAHOO.ext.grid.EditorSelectionModel.prototype.setRowState = function(row, selected){
YAHOO.ext.grid.EditorSelectionModel.superclass.setRowState.call(this, row, false, false);
};
/** @ignore */
YAHOO.ext.grid.EditorSelectionModel.prototype.focusRow = function(row, selected){
};
YAHOO.ext.grid.EditorSelectionModel.prototype.getEditorCellAfter = function(cell, spanRows){
var g = this.grid;
var next = g.getCellAfter(cell);
while(next && !g.colModel.isCellEditable(next.columnIndex)){
next = g.getCellAfter(next);
}
if(!next && spanRows){
var row = g.getRowAfter(g.getRowFromChild(cell));
if(row){
next = g.getFirstCell(row);
if(!g.colModel.isCellEditable(next.columnIndex)){
next = this.getEditorCellAfter(next);
}
}
}
return next;
};
YAHOO.ext.grid.EditorSelectionModel.prototype.getEditorCellBefore = function(cell, spanRows){
var g = this.grid;
var prev = g.getCellBefore(cell);
while(prev && !g.colModel.isCellEditable(prev.columnIndex)){
prev = g.getCellBefore(prev);
}
if(!prev && spanRows){
var row = g.getRowBefore(g.getRowFromChild(cell));
if(row){
prev = g.getLastCell(row);
if(!g.colModel.isCellEditable(prev.columnIndex)){
prev = this.getEditorCellBefore(prev);
}
}
}
return prev;
};
YAHOO.ext.grid.EditorSelectionModel.prototype.allowArrowNav = function(e){
return (!this.disableArrowNavigation && (!this.controlForArrowNavigation || e.ctrlKey));
}
/** @ignore */
YAHOO.ext.grid.EditorSelectionModel.prototype.keyDown = function(e){
var g = this.grid, cm = g.colModel, cell = g.getEditingCell();
if(!cell) return;
var newCell;
switch(e.browserEvent.keyCode){
case e.TAB:
if(e.shiftKey){
newCell = this.getEditorCellBefore(cell, true);
}else{
newCell = this.getEditorCellAfter(cell, true);
}
e.preventDefault();
break;
case e.DOWN:
if(this.allowArrowNav(e)){
var next = g.getRowAfter(g.getRowFromChild(cell));
if(next){
newCell = next.childNodes[cell.columnIndex];
}
}
break;
case e.UP:
if(this.allowArrowNav(e)){
var prev = g.getRowBefore(g.getRowFromChild(cell));
if(prev){
newCell = prev.childNodes[cell.columnIndex];
}
}
break;
case e.RETURN:
if(e.shiftKey){
var prev = g.getRowBefore(g.getRowFromChild(cell));
if(prev){
newCell = prev.childNodes[cell.columnIndex];
}
}else{
var next = g.getRowAfter(g.getRowFromChild(cell));
if(next){
newCell = next.childNodes[cell.columnIndex];
}
}
break;
case e.RIGHT:
if(this.allowArrowNav(e)){
newCell = this.getEditorCellAfter(cell);
}
break;
case e.LEFT:
if(this.allowArrowNav(e)){
newCell = this.getEditorCellBefore(cell);
}
break;
};
if(newCell){
this.activate(g.getRowFromChild(newCell), newCell);
e.stopEvent();
}
};
/**
* @class YAHOO.ext.grid.EditorAndSelectionModel
*/
YAHOO.ext.grid.EditorAndSelectionModel = function(){
YAHOO.ext.grid.EditorAndSelectionModel.superclass.constructor.call(this);
this.events['cellactivate'] = new YAHOO.util.CustomEvent('cellactivate');
};
YAHOO.extendX(YAHOO.ext.grid.EditorAndSelectionModel, YAHOO.ext.grid.DefaultSelectionModel);
YAHOO.ext.grid.EditorAndSelectionModel.prototype.initEvents = function(){
YAHOO.ext.grid.EditorAndSelectionModel.superclass.initEvents.call(this);
this.grid.addListener("celldblclick", this.onCellDblClick, this, true);
};
YAHOO.ext.grid.EditorAndSelectionModel.prototype.onCellDblClick = function(grid, rowIndex, colIndex){
var row = this.grid.getRow(rowIndex);
var cell = row.childNodes[colIndex];
if(cell){
this.fireEvent('cellactivate', this, row, cell);
this.grid.doEdit(row, cell);
}
};
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