Roo/ViewPanel.js

[roojs1] / Roo / ViewPanel.js

/*
 * Based on:
 * Ext JS Library 1.1.1
 * Copyright(c) 2006-2007, Ext JS, LLC.
 *
 * Originally Released Under LGPL - original licence link has changed is not relivant.
 *
 * Fork - LGPL
 * <script type="text/javascript">
 */
 
/**
 * @class Roo.grid.ViewPanel
 * @extends Roo.grid.Grid
 * Class for creating and editable grid.
 * @param {String/HTMLElement/Roo.Element} container The element into which this grid will be rendered - 
 * The container MUST have some type of size defined for the grid to fill. The container will be 
 * automatically set to position relative if it isn't already.
 * @param {Object} dataSource The data model to bind to
 * @param {Object} colModel The column model with info about this grid's columns
 */
Roo.grid.ViewPanel = function(container, config){
    Roo.grid.ViewPanel.superclass.constructor.call(this, container, config);
    this.getGridEl().addClass("xedit-grid");

    if(!this.selModel){
        this.selModel = new Roo.grid.CellSelectionModel();
    }

    this.activeEditor = null;

        this.addEvents({
            /**
             * @event beforeedit
             * Fires before cell editing is triggered. The edit event object has the following properties <br />
             * <ul style="padding:5px;padding-left:16px;">
             * <li>grid - This grid</li>
             * <li>record - The record being edited</li>
             * <li>field - The field name being edited</li>
             * <li>value - The value for the field being edited.</li>
             * <li>row - The grid row index</li>
             * <li>column - The grid column index</li>
             * <li>cancel - Set this to true to cancel the edit or return false from your handler.</li>
             * </ul>
             * @param {Object} e An edit event (see above for description)
             */
            "beforeedit" : true,
            /**
             * @event afteredit
             * Fires after a cell is edited. <br />
             * <ul style="padding:5px;padding-left:16px;">
             * <li>grid - This grid</li>
             * <li>record - The record being edited</li>
             * <li>field - The field name being edited</li>
             * <li>value - The value being set</li>
             * <li>originalValue - The original value for the field, before the edit.</li>
             * <li>row - The grid row index</li>
             * <li>column - The grid column index</li>
             * </ul>
             * @param {Object} e An edit event (see above for description)
             */
            "afteredit" : true,
            /**
             * @event validateedit
             * Fires after a cell is edited, but before the value is set in the record. 
         * You can use this to modify the value being set in the field, Return false
             * to cancel the change. The edit event object has the following properties <br />
             * <ul style="padding:5px;padding-left:16px;">
         * <li>editor - This editor</li>
             * <li>grid - This grid</li>
             * <li>record - The record being edited</li>
             * <li>field - The field name being edited</li>
             * <li>value - The value being set</li>
             * <li>originalValue - The original value for the field, before the edit.</li>
             * <li>row - The grid row index</li>
             * <li>column - The grid column index</li>
             * <li>cancel - Set this to true to cancel the edit or return false from your handler.</li>
             * </ul>
             * @param {Object} e An edit event (see above for description)
             */
            "validateedit" : true
        });
    this.on("bodyscroll", this.stopEditing,  this);
    this.on(this.clicksToEdit == 1 ? "cellclick" : "celldblclick", this.onCellDblClick,  this);
};


Roo.extend(Roo.grid.ViewPanel, Roo.grid.Grid, {
    
    // private
    rendered : false,
    
    /**
    * @cfg {Boolean} autoWidth True to set the grid's width to the default total width of the grid's columns instead
    * of a fixed width. Default is false.
    */
    /**
    * @cfg {Number} maxHeight Sets the maximum height of the grid - ignored if autoHeight is not on.
    */
    /**
     * Called once after all setup has been completed and the grid is ready to be rendered.
     * @return {Roo.grid.Grid} this
     */
    render : function()
    {
        var c = this.container;
        // try to detect autoHeight/width mode
        if((!c.dom.offsetHeight || c.dom.offsetHeight < 20) || c.getStyle("height") == "auto"){
            this.autoHeight = true;
        }
        var view = this.getView();
        view.init(this);

        c.on("click", this.onClick, this);
        c.on("dblclick", this.onDblClick, this);
        c.on("contextmenu", this.onContextMenu, this);
        c.on("keydown", this.onKeyDown, this);

        this.relayEvents(c, ["mousedown","mouseup","mouseover","mouseout","keypress"]);

        this.getSelectionModel().init(this);

        view.render();

        if(this.loadMask){
            this.loadMask = new Roo.LoadMask(this.container,
                    Roo.apply({store:this.dataSource}, this.loadMask));
        }
        
        
        if (this.toolbar && this.toolbar.xtype) {
            this.toolbar.container = this.getView().getHeaderPanel(true);
            this.toolbar = new Roo.Toolbar(this.toolbar);
        }
        if (this.footer && this.footer.xtype) {
            this.footer.dataSource = this.getDataSource();
            this.footer.container = this.getView().getFooterPanel(true);
            this.footer = Roo.factory(this.footer, Roo);
        }
        if (this.dropTarget && this.dropTarget.xtype) {
            delete this.dropTarget.xtype;
            this.dropTarget =  new Roo.dd.DropTarget(this.getView().mainBody, this.dropTarget);
        }
        
        
        this.rendered = true;
        this.fireEvent('render', this);
        return this;
    }
});