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+ <pre class="prettyprint lang-js"><span id='Ext-selection-CellModel'>/**
+</span> * @class Ext.selection.CellModel
+ * @extends Ext.selection.Model
+ * @private
+ */
+Ext.define('Ext.selection.CellModel', {
+ extend: 'Ext.selection.Model',
+ alias: 'selection.cellmodel',
+ requires: ['Ext.util.KeyNav'],
+
+<span id='Ext-selection-CellModel-cfg-enableKeyNav'> /**
+</span> * @cfg {Boolean} enableKeyNav
+ * Turns on/off keyboard navigation within the grid. Defaults to true.
+ */
+ enableKeyNav: true,
+
+<span id='Ext-selection-CellModel-cfg-preventWrap'> /**
+</span> * @cfg {Boolean} preventWrap
+ * Set this configuration to true to prevent wrapping around of selection as
+ * a user navigates to the first or last column. Defaults to false.
+ */
+ preventWrap: false,
+
+ constructor: function(){
+ this.addEvents(
+<span id='Ext-selection-CellModel-event-deselect'> /**
+</span> * @event deselect
+ * Fired after a cell is deselected
+ * @param {Ext.selection.CellModel} this
+ * @param {Ext.data.Model} record The record of the deselected cell
+ * @param {Number} row The row index deselected
+ * @param {Number} column The column index deselected
+ */
+ 'deselect',
+
+<span id='Ext-selection-CellModel-event-select'> /**
+</span> * @event select
+ * Fired after a cell is selected
+ * @param {Ext.selection.CellModel} this
+ * @param {Ext.data.Model} record The record of the selected cell
+ * @param {Number} row The row index selected
+ * @param {Number} column The column index selected
+ */
+ 'select'
+ );
+ this.callParent(arguments);
+ },
+
+ bindComponent: function(view) {
+ var me = this;
+ me.primaryView = view;
+ me.views = me.views || [];
+ me.views.push(view);
+ me.bind(view.getStore(), true);
+
+ view.on({
+ cellmousedown: me.onMouseDown,
+ refresh: me.onViewRefresh,
+ scope: me
+ });
+
+ if (me.enableKeyNav) {
+ me.initKeyNav(view);
+ }
+ },
+
+ initKeyNav: function(view) {
+ var me = this;
+
+ if (!view.rendered) {
+ view.on('render', Ext.Function.bind(me.initKeyNav, me, [view], 0), me, {single: true});
+ return;
+ }
+
+ view.el.set({
+ tabIndex: -1
+ });
+
+ // view.el has tabIndex -1 to allow for
+ // keyboard events to be passed to it.
+ me.keyNav = Ext.create('Ext.util.KeyNav', view.el, {
+ up: me.onKeyUp,
+ down: me.onKeyDown,
+ right: me.onKeyRight,
+ left: me.onKeyLeft,
+ tab: me.onKeyTab,
+ scope: me
+ });
+ },
+
+ getHeaderCt: function() {
+ return this.primaryView.headerCt;
+ },
+
+ onKeyUp: function(e, t) {
+ this.move('up', e);
+ },
+
+ onKeyDown: function(e, t) {
+ this.move('down', e);
+ },
+
+ onKeyLeft: function(e, t) {
+ this.move('left', e);
+ },
+
+ onKeyRight: function(e, t) {
+ this.move('right', e);
+ },
+
+ move: function(dir, e) {
+ var me = this,
+ pos = me.primaryView.walkCells(me.getCurrentPosition(), dir, e, me.preventWrap);
+ if (pos) {
+ me.setCurrentPosition(pos);
+ }
+ return pos;
+ },
+
+<span id='Ext-selection-CellModel-method-getCurrentPosition'> /**
+</span> * Returns the current position in the format {row: row, column: column}
+ */
+ getCurrentPosition: function() {
+ return this.position;
+ },
+
+<span id='Ext-selection-CellModel-method-setCurrentPosition'> /**
+</span> * Sets the current position
+ * @param {Object} position The position to set.
+ */
+ setCurrentPosition: function(pos) {
+ var me = this;
+
+ if (me.position) {
+ me.onCellDeselect(me.position);
+ }
+ if (pos) {
+ me.onCellSelect(pos);
+ }
+ me.position = pos;
+ },
+
+<span id='Ext-selection-CellModel-method-onMouseDown'> /**
+</span> * Set the current position based on where the user clicks.
+ * @private
+ */
+ onMouseDown: function(view, cell, cellIndex, record, row, rowIndex, e) {
+ this.setCurrentPosition({
+ row: rowIndex,
+ column: cellIndex
+ });
+ },
+
+ // notify the view that the cell has been selected to update the ui
+ // appropriately and bring the cell into focus
+ onCellSelect: function(position) {
+ var me = this,
+ store = me.view.getStore(),
+ record = store.getAt(position.row);
+
+ me.doSelect(record);
+ me.primaryView.onCellSelect(position);
+ // TODO: Remove temporary cellFocus call here.
+ me.primaryView.onCellFocus(position);
+ me.fireEvent('select', me, record, position.row, position.column);
+ },
+
+ // notify view that the cell has been deselected to update the ui
+ // appropriately
+ onCellDeselect: function(position) {
+ var me = this,
+ store = me.view.getStore(),
+ record = store.getAt(position.row);
+
+ me.doDeselect(record);
+ me.primaryView.onCellDeselect(position);
+ me.fireEvent('deselect', me, record, position.row, position.column);
+ },
+
+ onKeyTab: function(e, t) {
+ var me = this,
+ direction = e.shiftKey ? 'left' : 'right',
+ editingPlugin = me.view.editingPlugin,
+ position = me.move(direction, e);
+
+ if (editingPlugin && position && me.wasEditing) {
+ editingPlugin.startEditByPosition(position);
+ }
+ delete me.wasEditing;
+ },
+
+ onEditorTab: function(editingPlugin, e) {
+ var me = this,
+ direction = e.shiftKey ? 'left' : 'right',
+ position = me.move(direction, e);
+
+ if (position) {
+ editingPlugin.startEditByPosition(position);
+ me.wasEditing = true;
+ }
+ },
+
+ refresh: function() {
+ var pos = this.getCurrentPosition();
+ if (pos) {
+ this.onCellSelect(pos);
+ }
+ },
+
+ onViewRefresh: function() {
+ var pos = this.getCurrentPosition();
+ if (pos) {
+ this.onCellDeselect(pos);
+ this.setCurrentPosition(null);
+ }
+ },
+
+ selectByPosition: function(position) {
+ this.setCurrentPosition(position);
+ }
+});</pre>
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+</html>
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