source: EDIS/tags/ed/tracking-ui-core/src/main/flex/gov/va/med/edp/command/RefreshDisplayBoardCommand.as@ 1240

/* RefreshDisplayBoardCommand.as */
        
package gov.va.med.edp.command
{
        import com.adobe.cairngorm.commands.ICommand;
        import com.adobe.cairngorm.control.CairngormEvent;
        
        import gov.va.med.edp.business.RefreshDisplayBoardDelegate;
        import gov.va.med.edp.control.DisplayBoardEvent;
        import gov.va.med.edp.model.BigBoardDebugInfo;
        import gov.va.med.edp.model.TrackingModelLocator;
        
        import mx.collections.Sort;
        import mx.collections.SortField;
        import mx.collections.XMLListCollection;
        import mx.rpc.IResponder;
        import mx.rpc.events.FaultEvent;
        import mx.rpc.events.ResultEvent;

        public class RefreshDisplayBoardCommand extends AbstractResponderCommand implements ICommand, IResponder
        {
                private var model:TrackingModelLocator = TrackingModelLocator.getInstance();
                private var initDisplayBoardEvent: DisplayBoardEvent;
                                
                public function execute(event:CairngormEvent):void
                {
                        var delegate:RefreshDisplayBoardDelegate = new RefreshDisplayBoardDelegate(this);
                        var refreshEvent: DisplayBoardEvent = DisplayBoardEvent(event);
                        
                        //save off the refreshEvent as an initDisplayBoardEvent in case we need to fire it if needed..
                        initDisplayBoardEvent = new DisplayBoardEvent(DisplayBoardEvent.EVENT_INIT_DISPLAY_BOARD);
                        initDisplayBoardEvent.name = refreshEvent.name;
                        
                        delegate.refreshDisplayBoard(model.session.area, refreshEvent.name, model.boardSpec.configLastUpdated);
                        model.boardReady = false;
                }
                
                public override function result(data:Object):void
                {
                        var xml:XML = ResultEvent(data).result as XML;

            // if the version on the server has changed we will need to load the new bigboard .swf automatically
            // (UI used by human will get updated during login process)
            if (model.appName == TrackingModelLocator.APP_NAME_BIGBOARD && model.appClientVersion != xml.rows.@version) {
                model.logout();
                return;
            }

            model.boardSpec.configLastUpdated = xml.rows.@configLastUpdated;
                        model.boardSpec.reloadConfig = (xml.rows.@reloadConfig == "true");              
                                
                        //if reloadConfig is true, fire an InitDisplayBoard Event Instead..
                        // this will cause the new Display Board Configuration and Data to be reloaded
                        //instead of just reloading the data...
                        if (model.boardSpec.reloadConfig == true){
                                initDisplayBoardEvent.dispatch();
                                return;                 
                        }
                                                                        
                        model.boardData = null;
                        model.boardData = new XMLListCollection(xml.rows.children() as XMLList);
                        model.boardLastUpdated = new Date();

                                                        
                        // sort based on previous settings
                        if (model.boardSortField.length > 0) {
                                var sort: Sort = new Sort();
                                //Do a numeric sort for any mins related columns
                                if ((model.boardSortField.indexOf("min") != -1 )){
                                        sort.fields = [new SortField(model.boardSortField, true, model.boardSortDescending, true)];
                                } else {
                                        sort.fields = [new SortField(model.boardSortField, true, model.boardSortDescending, false)];
                                }
                                model.boardData.sort = sort;
                                model.boardData.refresh();
                        }
                        model.boardReady = true;
                }
                
                protected override function getFaultMessage(faultEvent:FaultEvent):String {
                        return "Unable to refresh display board: " + super.getFaultMessage(faultEvent);
                }
        }
}