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27 jpm 1
/*
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 * Ext JS Library 2.0.2
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 * Copyright(c) 2006-2008, Ext JS, LLC.
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 * licensing@extjs.com
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 *
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 * http://extjs.com/license
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 */
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/**
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 * @class Ext.grid.EditorGridPanel
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 * @extends Ext.grid.GridPanel
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 * Class for creating and editable grid.
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 * @constructor
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 * @param {Object} config The config object
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 */
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Ext.grid.EditorGridPanel = Ext.extend(Ext.grid.GridPanel, {
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    /**
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     * @cfg {Number} clicksToEdit
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     * The number of clicks on a cell required to display the cell's editor (defaults to 2)
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     */
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    clicksToEdit: 2,
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    // private
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    isEditor : true,
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    // private
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    detectEdit: false,
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	/**
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	 * @cfg {Boolean} autoEncode
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	 * True to automatically HTML encode and decode values pre and post edit (defaults to false)
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	 */
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	autoEncode : false,
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	/**
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	 * @cfg {Boolean} trackMouseOver @hide
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	 */
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    // private
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    trackMouseOver: false, // causes very odd FF errors
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    // private
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    initComponent : function(){
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        Ext.grid.EditorGridPanel.superclass.initComponent.call(this);
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        if(!this.selModel){
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            this.selModel = new Ext.grid.CellSelectionModel();
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        }
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        this.activeEditor = null;
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	    this.addEvents(
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            /**
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             * @event beforeedit
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             * Fires before cell editing is triggered. The edit event object has the following properties <br />
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             * <ul style="padding:5px;padding-left:16px;">
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             * <li>grid - This grid</li>
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             * <li>record - The record being edited</li>
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             * <li>field - The field name being edited</li>
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             * <li>value - The value for the field being edited.</li>
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             * <li>row - The grid row index</li>
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             * <li>column - The grid column index</li>
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             * <li>cancel - Set this to true to cancel the edit or return false from your handler.</li>
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             * </ul>
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             * @param {Object} e An edit event (see above for description)
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             */
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            "beforeedit",
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            /**
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             * @event afteredit
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             * Fires after a cell is edited. <br />
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             * <ul style="padding:5px;padding-left:16px;">
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             * <li>grid - This grid</li>
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             * <li>record - The record being edited</li>
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             * <li>field - The field name being edited</li>
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             * <li>value - The value being set</li>
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             * <li>originalValue - The original value for the field, before the edit.</li>
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             * <li>row - The grid row index</li>
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             * <li>column - The grid column index</li>
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             * </ul>
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             * @param {Object} e An edit event (see above for description)
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             */
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            "afteredit",
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            /**
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             * @event validateedit
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             * Fires after a cell is edited, but before the value is set in the record. Return false
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             * to cancel the change. The edit event object has the following properties <br />
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             * <ul style="padding:5px;padding-left:16px;">
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             * <li>grid - This grid</li>
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             * <li>record - The record being edited</li>
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             * <li>field - The field name being edited</li>
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             * <li>value - The value being set</li>
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             * <li>originalValue - The original value for the field, before the edit.</li>
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             * <li>row - The grid row index</li>
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             * <li>column - The grid column index</li>
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             * <li>cancel - Set this to true to cancel the edit or return false from your handler.</li>
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             * </ul>
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             * @param {Object} e An edit event (see above for description)
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             */
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            "validateedit"
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        );
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    },
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    // private
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    initEvents : function(){
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        Ext.grid.EditorGridPanel.superclass.initEvents.call(this);
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        this.on("bodyscroll", this.stopEditing, this, [true]);
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        if(this.clicksToEdit == 1){
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            this.on("cellclick", this.onCellDblClick, this);
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        }else {
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            if(this.clicksToEdit == 'auto' && this.view.mainBody){
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                this.view.mainBody.on("mousedown", this.onAutoEditClick, this);
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            }
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            this.on("celldblclick", this.onCellDblClick, this);
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        }
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        this.getGridEl().addClass("xedit-grid");
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    },
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    // private
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    onCellDblClick : function(g, row, col){
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        this.startEditing(row, col);
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    },
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    // private
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    onAutoEditClick : function(e, t){
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        if(e.button !== 0){
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            return;
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        }
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        var row = this.view.findRowIndex(t);
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        var col = this.view.findCellIndex(t);
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        if(row !== false && col !== false){
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            this.stopEditing();
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            if(this.selModel.getSelectedCell){ // cell sm
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                var sc = this.selModel.getSelectedCell();
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                if(sc && sc.cell[0] === row && sc.cell[1] === col){
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                    this.startEditing(row, col);
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                }
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            }else{
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                if(this.selModel.isSelected(row)){
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                    this.startEditing(row, col);
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                }
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            }
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        }
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    },
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    // private
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    onEditComplete : function(ed, value, startValue){
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        this.editing = false;
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        this.activeEditor = null;
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        ed.un("specialkey", this.selModel.onEditorKey, this.selModel);
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		var r = ed.record;
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        var field = this.colModel.getDataIndex(ed.col);
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        value = this.postEditValue(value, startValue, r, field);
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        if(String(value) !== String(startValue)){
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            var e = {
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                grid: this,
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                record: r,
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                field: field,
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                originalValue: startValue,
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                value: value,
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                row: ed.row,
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                column: ed.col,
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                cancel:false
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            };
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            if(this.fireEvent("validateedit", e) !== false && !e.cancel){
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                r.set(field, e.value);
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                delete e.cancel;
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                this.fireEvent("afteredit", e);
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            }
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        }
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        this.view.focusCell(ed.row, ed.col);
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    },
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    /**
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     * Starts editing the specified for the specified row/column
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     * @param {Number} rowIndex
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     * @param {Number} colIndex
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     */
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    startEditing : function(row, col){
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        this.stopEditing();
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        if(this.colModel.isCellEditable(col, row)){
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            this.view.ensureVisible(row, col, true);
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            var r = this.store.getAt(row);
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            var field = this.colModel.getDataIndex(col);
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            var e = {
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                grid: this,
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                record: r,
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                field: field,
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                value: r.data[field],
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                row: row,
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                column: col,
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                cancel:false
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            };
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            if(this.fireEvent("beforeedit", e) !== false && !e.cancel){
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                this.editing = true;
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                var ed = this.colModel.getCellEditor(col, row);
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                if(!ed.rendered){
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                    ed.render(this.view.getEditorParent(ed));
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                }
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                (function(){ // complex but required for focus issues in safari, ie and opera
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                    ed.row = row;
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                    ed.col = col;
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                    ed.record = r;
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                    ed.on("complete", this.onEditComplete, this, {single: true});
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                    ed.on("specialkey", this.selModel.onEditorKey, this.selModel);
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                    this.activeEditor = ed;
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                    var v = this.preEditValue(r, field);
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                    ed.startEdit(this.view.getCell(row, col), v);
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                }).defer(50, this);
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            }
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        }
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    },
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	preEditValue : function(r, field){
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		return this.autoEncode && typeof value == 'string' ? Ext.util.Format.htmlDecode(r.data[field]) : r.data[field];
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	},
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	postEditValue : function(value, originalValue, r, field){
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		return this.autoEncode && typeof value == 'string' ? Ext.util.Format.htmlEncode(value) : value;
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	},
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    /**
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     * Stops any active editing
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     * @param {Boolean} cancel (optional) True to cancel any changes
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     */
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    stopEditing : function(cancel){
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        if(this.activeEditor){
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            this.activeEditor[cancel === true ? 'cancelEdit' : 'completeEdit']();
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        }
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        this.activeEditor = null;
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    }
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});
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Ext.reg('editorgrid', Ext.grid.EditorGridPanel);