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<pre class="prettyprint lang-js"><span id='Ext-grid-CellContext'>/**
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</span> * Internal utility class that provides a unique cell context.
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* @private
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*/
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Ext.define('Ext.grid.CellContext', {
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<span id='Ext-grid-CellContext-property-isCellContext'> /**
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</span> * @property {Boolean} isCellContext
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* @readonly
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* `true` in this class to identify an object as an instantiated CellContext, or subclass thereof.
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*/
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isCellContext: true,
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<span id='Ext-grid-CellContext-method-constructor'> constructor: function(view) {
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</span> this.view = view;
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},
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<span id='Ext-grid-CellContext-method-setPosition'> // Selection row/record & column/columnHeader
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</span> setPosition: function(row, col) {
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var me = this;
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// We were passed {row: 1, column: 2, view: myView}
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if (arguments.length === 1) {
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if (row.view) {
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me.view = row.view;
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}
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col = row.column;
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row = row.row;
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}
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me.setRow(row);
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me.setColumn(col);
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return me;
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},
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<span id='Ext-grid-CellContext-method-setRow'> setRow: function(row) {
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</span> var me = this;
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if (row !== undefined) {
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// Row index passed
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if (typeof row === 'number') {
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me.row = Math.max(Math.min(row, me.view.dataSource.getCount() - 1), 0);
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me.record = me.view.dataSource.getAt(row);
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}
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// row is a Record
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else if (row.isModel) {
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me.record = row;
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me.row = me.view.indexOf(row);
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}
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// row is a grid row
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else if (row.tagName) {
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me.record = me.view.getRecord(row);
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me.row = me.view.indexOf(me.record);
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}
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}
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},
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<span id='Ext-grid-CellContext-method-setColumn'> setColumn: function(col) {
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</span> var me = this,
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columnManager = me.view.ownerCt.columnManager;
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if (col !== undefined) {
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// column index passed
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if (typeof col === 'number') {
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me.column = col;
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me.columnHeader = columnManager.getHeaderAtIndex(col);
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}
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// column Header passed
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else if (col.isHeader) {
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me.columnHeader = col;
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me.column = columnManager.getHeaderIndex(col);
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}
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}
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}
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});</pre>
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