/*
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This file is part of Ext JS 4.2
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-05-16 14:36:50 (f9be68accb407158ba2b1be2c226a6ce1f649314)
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*/
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/**
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* 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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/**
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* @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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constructor: function(view) {
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this.view = view;
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},
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// Selection row/record & column/columnHeader
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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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setRow: function(row) {
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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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setColumn: function(col) {
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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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});
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