Java Type类代码示例

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
protected <H extends EventHandler> void addHandler(Type<H> type) {
	// checks which kind of handler has been added
	if (type.equals(AnimationCompleteEvent.TYPE)) {
		// checks if property exist
		if (!has(Property.onComplete)) {
			// sets the java script code to get the event
			registerNativeCompleteHandler(getJavaScriptObject());
		}
		// increments amount of handlers
		onCompleteHandlers++;
	} else if (type.equals(AnimationProgressEvent.TYPE)) {
		// checks if property exist
		if (!has(Property.onProgress)) {
			// sets the java script code to get the event
			registerNativeProgressHandler(getJavaScriptObject());
		}
		// increments amount of handlers
		onProgressHandlers++;
	}
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
protected <H extends EventHandler> void removeHandler(Type<H> type) {
	// checks which kind of handler has been removed
	if (type.equals(AnimationCompleteEvent.TYPE)) {
		// decrements amount of handlers
		onCompleteHandlers--;
		// if zero, no handler
		if (onCompleteHandlers == 0) {
			// therefore remove property
			remove(Property.onComplete);
		}
	} else if (type.equals(AnimationProgressEvent.TYPE)) {
		// decrements amount of handlers
		onProgressHandlers--;
		// if zero, no handler
		if (onProgressHandlers == 0) {
			// therefore remove property
			remove(Property.onProgress);
		}
	}
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
protected <H extends EventHandler> void addHandler(Type<H> type) {
	// checks if type of added event handler is dataset selection or click
	if (type.equals(ChartClickEvent.TYPE)) {
		// if java script property is missing
		if (!has(Property.onClick)) {
			// adds the java script function to catch the event
			registerNativeClickHandler(getJavaScriptObject());
		}
		// increments amount of handlers
		onClickHandlers++;
	} else if (type.equals(ChartHoverEvent.TYPE)) {
		// if java script property is missing
		if (!has(Property.onHover)) {
			// adds the java script function to catch the event
			registerNativeHoverHandler(getJavaScriptObject());
		}
		// increments amount of handlers
		onHoverHandlers++;
	}
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
protected <H extends EventHandler> void removeHandler(Type<H> type) {
	// checks if type of removed event handler is dataset selection or click
	if (type.equals(DatasetSelectionEvent.TYPE) || type.equals(ChartClickEvent.TYPE)) {
		// decrements the amount of handlers
		onClickHandlers--;
		// if there is not any handler
		if (onClickHandlers == 0) {
			// removes the java script object
			remove(Property.onClick);
		}
	} else if (type.equals(ChartHoverEvent.TYPE)) {
		// decrements the amount of handlers
		onHoverHandlers--;
		// if there is not any handler
		if (onHoverHandlers == 0) {
			// removes the java script object
			remove(Property.onHover);
		}
	}
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
protected <H extends EventHandler> void addHandler(Type<H> type) {
	// checks if type of added event handler is dataset selection or click
	if (type.equals(DatasetSelectionEvent.TYPE) || type.equals(ChartClickEvent.TYPE)) {
		// if java script property is missing
		if (!has(Property.onClick)) {
			// adds the java script function to catch the event
			registerNativeClickHandler(getJavaScriptObject());
		}
		// increments amount of handlers
		onClickHandlers++;
	} else if (type.equals(ChartHoverEvent.TYPE)) {
		// if java script property is missing
		if (!has(Property.onHover)) {
			// adds the java script function to catch the event
			registerNativeHoverHandler(getJavaScriptObject());
		}
		// increments amount of handlers
		onHoverHandlers++;
	} else if (type.equals(ChartResizeEvent.TYPE)) {
		// if java script property is missing
		if (!has(Property.onResize)) {
			// adds the java script function to catch the event
			registerNativeResizeHandler(getJavaScriptObject());
		}
		// increments amount of handlers
		onResizeHandlers++;
	}
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
protected <H extends EventHandler> void removeHandler(Type<H> type) {
	// checks if type of removed event handler is dataset selection or click
	if (type.equals(DatasetSelectionEvent.TYPE) || type.equals(ChartClickEvent.TYPE)) {
		// decrements the amount of handlers
		onClickHandlers--;
		// if there is not any handler
		if (onClickHandlers == 0) {
			// removes the java script object
			remove(Property.onClick);
		}
	} else if (type.equals(ChartHoverEvent.TYPE)) {
		// decrements the amount of handlers
		onHoverHandlers--;
		// if there is not any handler
		if (onHoverHandlers == 0) {
			// removes the java script object
			remove(Property.onHover);
		}
	} else if (type.equals(ChartResizeEvent.TYPE)) {
		// decrements the amount of handlers
		onResizeHandlers--;
		// if there is not any handler
		if (onResizeHandlers == 0) {
			// removes the java script object
			remove(Property.onResize);
		}
	}
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
public <H extends EventHandler> HandlerRegistration addHandler(Type<H> type, H handler) {
	// adds handler
	HandlerRegistration registration = super.addHandler(type, handler);
	// if the handler is a chart event handler one
	if (handler instanceof ChartEventHandler) {
		// sends the event
		fireEvent(new AddHandlerEvent(type));
	}
	return registration;
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
public <H extends EventHandler> void removeHandler(Type<H> type, H handler) {
	// removes handler
	super.removeHandler(type, handler);
	// if the handler is a chart event handler one
	if (handler instanceof ChartEventHandler) {
		// sends the event
		fireEvent(new RemoveHandlerEvent(type));
	}
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
private void removeStaleEvents(List<GwtEvent> pendingRPCEvents, Type type) {
    List<GwtEvent> remove = new ArrayList<GwtEvent>();
    for (Iterator eIt = pendingRPCEvents.iterator(); eIt.hasNext();) {
        GwtEvent gwtEvent = (GwtEvent) eIt.next();
        if ( gwtEvent.getAssociatedType().equals(type) ) {
            remove.add(gwtEvent);
        }
    }
    pendingRPCEvents.removeAll(remove);
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
public <T extends EventHandler> HandlerRegistration addHandler(Type<T> type,
        T handler) {
    return eventBus.addHandler(type, handler);
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
public <T extends EventHandler> HandlerRegistration addHandlerToSource(
        Type<T> type,
        Object source, T handler) {
    return eventBus.addHandlerToSource(type, source, handler);
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
@Override
public <H extends EventHandler> HandlerRegistration addHandler(H handler, Type<H> type) {
  return handlerManger.addHandler(type, handler);
}
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
/**
 * Notifies the event provider when a new handler has been added.
 * @param type type of event
 */
protected abstract <H extends EventHandler> void addHandler(Type<H> type);
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
/**
 * Notifies the event provider when a new handler has been deregistered
 * @param type type of event handler
 */
protected abstract <H extends EventHandler> void removeHandler(Type<H> type);
 

import com.google.gwt.event.shared.GwtEvent.Type; //导入依赖的package包/类
/**
 * Registers the given {@code handler} for the {@code type}.
 * 
 * @param <H>
 *          The event handler type.
 * @param type
 *          The type.
 * @param handler
 *          The handler.
 * @return The {@code HandlerRegistration}.
 */
<H extends EventHandler> HandlerRegistration addHandler(final Type<H> type, final H handler);