source: EDIS/trunk/java/tracking-ui-core/src/main/flex/gov/va/med/edp/util/ChangeWatcher.as@ 1227

package gov.va.med.edp.util
{
        import flash.events.Event;
        
        import gov.va.med.edp.control.ChangeLogEntryFieldEvent;
        import gov.va.med.edp.pt.demog.view.SelectPatientEvent;

        import mx.controls.ComboBox;
        import mx.controls.TextInput;
        import mx.events.CalendarLayoutChangeEvent;

        public class ChangeWatcher
        {
                public static function changeField(event: Event): void
                {
                        var changeEvent: ChangeLogEntryFieldEvent = 
                                new ChangeLogEntryFieldEvent(ChangeLogEntryFieldEvent.EVENT_CHANGE_LOG_ENTRY_FIELD);
                        changeEvent.field = event.currentTarget.id;
                        if (event.currentTarget is ComboBox) {
                                changeEvent.value = comboBoxValue(ComboBox(event.currentTarget));
                                changeEvent.label = comboBoxLabel(ComboBox(event.currentTarget));
                                changeEvent.reference = comboBoxRef(ComboBox(event.currentTarget));
                        }
                        if (event.currentTarget is TextInput) {
                                changeEvent.value = TextInput(event.currentTarget).text;
                                //changeEvent.value = (changeEvent.value == "") ? "   " : changeEvent.value;
                                changeEvent.label = changeEvent.value;
                        }
                        if (event is SelectPatientEvent) {
                                changeEvent.value = SelectPatientEvent(event).patient;
                                changeEvent.field = "patient";
                        }
                        if (event is CalendarLayoutChangeEvent) {
                                changeEvent.value = CalendarLayoutChangeEvent(event).newDate;
                                changeEvent.field = event.currentTarget.id;
                        }
                        changeEvent.dispatch();
                }
                
                private static function comboBoxValue(box: ComboBox): *
                {
                        if (box.selectedItem == null) return -1;
                        return box.selectedItem.data;
                }
                
                private static function comboBoxLabel(box: ComboBox): String
                {
                        if (box.selectedItem == null) return "";
                        return box.selectedItem.label;
                }
                
                private static function comboBoxRef(box: ComboBox): String
                {
                        if (box.selectedItem == null) return "";
                        if (box.selectedItem.hasOwnProperty("reference")) {
                                return box.selectedItem.reference;
                        } else {
                                return "";
                        }
                }
        }
}