Java Handler类代码示例

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
public OwnerJobTrend(){
	date=new DateField();
	date.setEditable(false);
	date.setAllowBlank(false);
	date.setValue(new Date());
	
	HorizontalLayoutContainer form=new HorizontalLayoutContainer();
	form.add(new FieldLabel(date,"日期"),new HorizontalLayoutData());
	form.add(submit,new HorizontalLayoutData());
	
	container.add(form,new VerticalLayoutData(1,30));
	container.addAttachHandler(new Handler() {
		public void onAttachOrDetach(AttachEvent event) {
			submit.fireEvent(new SelectEvent());
		}
	});
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
public RunningJobTrend(){
	start=new DateField();
	start.setEditable(false);
	start.setValue(new Date(new Date().getTime()-7*24*60*60*1000L));
	end=new DateField();
	end.setEditable(false);
	end.setValue(new Date());
	HorizontalLayoutContainer form=new HorizontalLayoutContainer();
	form.add(new FieldLabel(start, "起始日期"),new HorizontalLayoutData(0.3,1));
	form.add(new FieldLabel(end,"截止日期"),new HorizontalLayoutData(0.3, 1));
	form.add(submit,new HorizontalLayoutData(-1,-1));
	
	container.add(form,new VerticalLayoutData(1, 30));
	
	container.addAttachHandler(new Handler() {
		public void onAttachOrDetach(AttachEvent event) {
			submit.fireEvent(new SelectEvent());
		}
	});
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
public ArchiveEntryImagePanel(ArchiveEntryCollectionRef arc,
        ArchiveEntry entry) {

    _arc = arc;
    _entry = entry;

    _ap = new AbsolutePanel();
    _ap.fitToParent();
    _ap.setOverflow(Overflow.HIDDEN);
    initWidget(_ap);

    addAttachHandler(new Handler() {

        @Override
        public void onAttachOrDetach(AttachEvent event) {
            if (event.isAttached()) {
                loadImage();
            }
        }
    });

}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Called after construction.
 */
@PostConstruct
protected void postConstruct() {
    addAttachHandler(new Handler() {
        @Override
        public void onAttachOrDetach(AttachEvent event) {
            if (event.isAttached()) {
                cid = generateUniqueCid();
                getElement().addClassName(cid);
                initPicker(cid,DEFAULT_DATE_TIME_FORMAT);
            } else {
                removePicker(cid);
            }
        }
    });
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Called after construction.
 */
@PostConstruct
protected void postConstruct() {
    addAttachHandler(new Handler() {
        @Override
        public void onAttachOrDetach(AttachEvent event) {
            if (event.isAttached()) {
                cid = generateUniqueCid();
                getElement().addClassName(cid);
                init(cid);
            } else {
                remove(cid);
            }
        }
    });
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
@Override
protected boolean createFieldWidget() {
	initWidget(uiBinder.createAndBindUi(this));
	field = textArea;
	toolbar.initToolBar(textArea);
	
	textArea.addAttachHandler(new Handler() {
		
		@Override
		public void onAttachOrDetach(AttachEvent event) {
			AtomTools.log(Level.FINE, "textArea.onAttachOrDetach - " + event.toDebugString(), this);
			fixIFrameDefaultFont(true);
		}
	});
	
	fixIFrameDefaultFont(true);
	
	return false;
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
private void updateVerticalScrollGridDelegation() {
    // register scroll handler to Gantt widget
    ganttScrollHandlerRegistration = getWidget().addDomHandler(ganttScrollHandler, ScrollEvent.getType());

    scrollDelegateHandlerRegistration = delegateScrollGridTarget.addScrollHandler(gridScrollDelegateTargetHandler);

    // add detach listener to unregister scroll handler when its
    // detached.
    delegateScrollGridTarget.addAttachHandler(new Handler() {

        @Override
        public void onAttachOrDetach(AttachEvent event) {
            if (!event.isAttached() && scrollDelegateHandlerRegistration != null) {
                scrollDelegateHandlerRegistration.removeHandler();
            }
        }
    });
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
private void updateVerticalScrollTableDelegation() {
    // register scroll handler to Gantt widget
    ganttScrollHandlerRegistration = getWidget().addDomHandler(ganttScrollHandler, ScrollEvent.getType());

    // register a scroll handler to 'delegation' scroll panel.
    scrollDelegateHandlerRegistration = delegateScrollPanelTarget.addScrollHandler(scrollDelegateTargetHandler);

    // add detach listener to unregister scroll handler when its
    // detached.
    delegateScrollPanelTarget.addAttachHandler(new Handler() {

        @Override
        public void onAttachOrDetach(AttachEvent event) {
            if (!event.isAttached() && scrollDelegateHandlerRegistration != null) {
                scrollDelegateHandlerRegistration.removeHandler();
            }
        }
    });
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Called after construction.
 */
@PostConstruct
protected void postConstruct() {
    addAttachHandler(new Handler() {
        @Override
        public void onAttachOrDetach(AttachEvent event) {
            if (event.isAttached()) {
                cid = generateUniqueCid();
                getElement().addClassName(cid);
                initPicker(cid);
            } else {
                removePicker(cid);
            }
        }
    });
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Creates a new TimeSlider object.
 * 
 * @param params - Parameters for the time slider object.
 * @param loadHandler - handler to fire when dijit is created.  All method calls will fail untill this
 * event fires. 
 */	
public TimeSlider(Parameters params, DijitLoadHandler handler) {
	
	if( !assertLoaded() ) return; 
	
	loadHandler = handler;
	parameters = params;
	
	initWidget(panel);
	
	addAttachHandler(new Handler(){
		@Override
		public void onAttachOrDetach(AttachEvent event) {
			if( event.isAttached() && jso == null ) {
				jso = _create(parameters, panel.getElement());
				if( loadHandler != null ) loadHandler.onLoad();
			}
		}
	});
	
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Creates a new Attribute Inspector object.
 * 
 * @param params - input parameters
 */
public  AttributeInspector(Parameters params) {
	
	if( !assertLoaded() ) return; 
	
	parameters = params;
	
	initWidget(panel);
	
	addAttachHandler(new Handler(){
		@Override
		public void onAttachOrDetach(AttachEvent event) {
			if(jso == null ) jso = create(parameters);
		}
	});
	
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Creates a new Editor object.
 * 
 * @param params - Parameters that define the functionality of the editor widget. Create a
 * new settings object to pass to the widget
 */
public Editor(Parameters params) {
	
	if( !assertLoaded() ) return; 
	
	parameters = params;
	
	initWidget(panel);
	
	addAttachHandler(new Handler(){
		@Override
		public void onAttachOrDetach(AttachEvent event) {
			if( jso == null ) jso = create(parameters);
		}
	});
	
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Creates a new Legend dijit. Should be called after all the layers have been loaded in the map, 
 * typically in the map's onLayerAddResult event.
 * 
 * @param params - Parameters used to configure the dijit. See the list below for details. 
 */
public  Legend(Parameters params) {
	
	if( !assertLoaded() ) return; 
	
	parameters = params;
	
	initWidget(panel);
	
	addAttachHandler(new Handler(){
		@Override
		public void onAttachOrDetach(AttachEvent event) {
			if( jso == null ) jso = create(parameters);
		}
	});
	
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Creates a new TemplatePicker object that displays a gallery of templates
 * from the input feature layers or items. A symbol and label is displayed
 * for each template. The symbol is defined by the template's feature type.
 * The label is the template's name.
 * 
 * @param params - FeatureLayers or items are required all other parameters
 * are optional. See options list.
 */
public TemplatePicker(Parameters params) {
	
	if( !assertLoaded() ) return; 
	
	parameters = params;
	
	initWidget(panel);
	
	addAttachHandler(new Handler(){
		@Override
		public void onAttachOrDetach(AttachEvent event) {
			if( jso == null ) jso = create(parameters);
		}
	});
	
}
 

import com.google.gwt.event.logical.shared.AttachEvent.Handler; //导入依赖的package包/类
/**
 * Creates a new BasemapGallery dijit.
 * 
 * @param params - Parameters used to configure the widgit. See the list below for details.
 */
public BasemapGallery(Parameters params) {

	if( !assertLoaded() ) return; 

	initWidget(panel);
	
	parameters = params;

	addAttachHandler(new Handler(){
		@Override
		public void onAttachOrDetach(AttachEvent event) {
			if( jso == null ) jso = create(parameters);
		}
	});
	
}