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Forum:
GWT
GWT events not firing
John Eric Hamacher
Ranch Hand
Posts: 230
posted 15 years ago
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Hello:
I have the following panel onto which I want to register events:
import com.gallup.sme.cohort.client.event.TopEdgeLeftPanelEventHandler; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.DoubleClickEvent; import com.google.gwt.event.dom.client.DoubleClickHandler; import com.google.gwt.event.dom.client.HasMouseOverHandlers; import com.google.gwt.event.dom.client.MouseOutEvent; import com.google.gwt.event.dom.client.MouseOutHandler; import com.google.gwt.event.dom.client.MouseOverEvent; import com.google.gwt.event.dom.client.MouseOverHandler; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.user.client.Event; import com.google.gwt.user.client.ui.HorizontalPanel; public class TopEdgeLeftPanel extends HorizontalPanel implements HasMouseOverHandlers { public TopEdgeLeftPanel() { create(); } private void create() { this.addMouseOutHandler(new TopEdgeLeftPanelEventHandler()); this.addMouseOverHandler(new TopEdgeLeftPanelEventHandler()); this.addClickHandler(new TopEdgeLeftPanelEventHandler()); this.addDoubleClickHandler(new TopEdgeLeftPanelEventHandler()); } public HandlerRegistration addDoubleClickHandler(DoubleClickHandler handler) { return addDomHandler(handler, DoubleClickEvent.getType()); } public HandlerRegistration addClickHandler(ClickHandler handler) { return addDomHandler(handler, ClickEvent.getType()); } public HandlerRegistration addMouseOverHandler(MouseOverHandler handler) { return addDomHandler(handler, MouseOverEvent.getType()); } public HandlerRegistration addMouseOutHandler(MouseOutHandler handler) { return addDomHandler(handler, MouseOutEvent.getType()); } }
Here is TopEdgeLeftPanelEventHandler:
import com.google.gwt.core.client.GWT; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.DoubleClickEvent; import com.google.gwt.event.dom.client.DoubleClickHandler; import com.google.gwt.event.dom.client.MouseOutEvent; import com.google.gwt.event.dom.client.MouseOutHandler; import com.google.gwt.event.dom.client.MouseOverEvent; import com.google.gwt.event.dom.client.MouseOverHandler; import com.google.gwt.user.client.ui.Widget; public class TopEdgeLeftPanelEventHandler implements MouseOutHandler, MouseOverHandler, DoubleClickHandler, ClickHandler { public void onMouseOver(MouseOverEvent event) { Widget widget = (Widget) event.getSource(); GWT.log("In Handler", null); widget.addStyleName("my-mouse-over"); } public void onMouseOut(MouseOutEvent event) { Widget widget = (Widget) event.getSource(); widget.removeStyleName("my-mouse-over"); } public void onDoubleClick(DoubleClickEvent event) { // TODO Auto-generated method stub } public void onClick(ClickEvent event) { // TODO Auto-generated method stub } }
The events will not fire. What am I doing wrong?
Thanks,
Eric
Christophe Verré
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posted 15 years ago
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