Java IAjaxCallListener类代码示例

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
protected IAjaxCallListener getOpenModalCallListener() {
	AjaxCallListener openModalListener = new AjaxCallListener();
	
	// avant d'effectuer la requête ajax : onModalStart + écran d'attente
	JsStatement onBeforeStatement = new JsStatement();
	JsStatement onModalStart = onModalStart();
	if (onModalStart != null) {
		onBeforeStatement.append(onModalStart.render(true));
	}
	onBeforeStatement.append(BootstrapModalManagerStatement.loading().render(true));
	openModalListener.onBefore(onBeforeStatement.render());
	
	// après retour ajax, on exécute le onModalComplete puis on affiche la popup
	JsStatement onSuccessStatement = new JsStatement();
	JsStatement onModalComplete = onModalComplete();
	if (onModalComplete != null) {
		onSuccessStatement.append(onModalComplete.render(true));
	}
	onSuccessStatement.append(BootstrapModalManagerStatement.show(modal.getContainer(), modal.getBootstrapModal()).render(true));
	openModalListener.onSuccess(onSuccessStatement.render());
	
	openModalListener.onFailure(BootstrapModalManagerStatement.removeLoading().render());
	
	return openModalListener;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
protected void updateAjaxAttributes(AjaxRequestAttributes attributes) {
    super.updateAjaxAttributes(attributes);

    IAjaxCallListener listener = new AjaxCallListener() {
        @Override
        public CharSequence getPrecondition(Component component) {
            //this javascript code evaluates wether an ajaxcall is necessary.
            //Here only by keyocdes for F9 and F10
            return "var keycode = Wicket.Event.keyCode(attrs.event);" +
                    "if ((keycode == 112) || (keycode == 113) || (keycode == 114) || (keycode == 115))" +
                    "    return true;" +
                    "else" +
                    "    return false;";
        }
    };
    attributes.getAjaxCallListeners().add(listener);

    //Append the pressed keycode to the ajaxrequest
    attributes.getDynamicExtraParameters()
            .add("var eventKeycode = Wicket.Event.keyCode(attrs.event);" +
                    "return {keycode: eventKeycode};");

    //whithout setting, no keyboard events will reach any inputfield
    attributes.setPreventDefault(true);
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
public CharSequence getBeforeHandler(Component component) {
	StringBuffer mergedBeforeHandler = new StringBuffer();
	for (IAjaxCallListener listener: listeners) {
		CharSequence beforeHandler = listener.getBeforeHandler(component);
		if (beforeHandler != null)
			mergedBeforeHandler.append(beforeHandler);
	}
	if (mergedBeforeHandler.length() != 0)
		return mergedBeforeHandler;
	else
		return null;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
public CharSequence getPrecondition(Component component) {
	StringBuffer mergedPrecondition = new StringBuffer();
	for (IAjaxCallListener listener: listeners) {
		CharSequence precondition = listener.getPrecondition(component);
		if (precondition != null)
			mergedPrecondition.append(precondition);
	}
	if (mergedPrecondition.length() != 0)
		return mergedPrecondition;
	else
		return null;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
public CharSequence getBeforeSendHandler(Component component) {
	StringBuffer mergedBeforeSendHandler = new StringBuffer();
	for (IAjaxCallListener listener: listeners) {
		CharSequence beforeSendHandler = listener.getBeforeSendHandler(component);
		if (beforeSendHandler != null)
			mergedBeforeSendHandler.append(beforeSendHandler);
	}
	if (mergedBeforeSendHandler.length() != 0)
		return mergedBeforeSendHandler;
	else
		return null;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
public CharSequence getAfterHandler(Component component) {
	StringBuffer mergedAfterHandler = new StringBuffer();
	for (IAjaxCallListener listener: listeners) {
		CharSequence afterHandler = listener.getAfterHandler(component);
		if (afterHandler != null)
			mergedAfterHandler.append(afterHandler);
	}
	if (mergedAfterHandler.length() != 0)
		return mergedAfterHandler;
	else
		return null;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
public CharSequence getSuccessHandler(Component component) {
	StringBuffer mergedSuccessHandler = new StringBuffer();
	for (IAjaxCallListener listener: listeners) {
		CharSequence successHandler = listener.getSuccessHandler(component);
		if (successHandler != null)
			mergedSuccessHandler.append(successHandler);
	}
	if (mergedSuccessHandler.length() != 0)
		return mergedSuccessHandler;
	else
		return null;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
public CharSequence getFailureHandler(Component component) {
	StringBuffer mergedFailureHandler = new StringBuffer();
	for (IAjaxCallListener listener: listeners) {
		CharSequence failureHandler = listener.getFailureHandler(component);
		if (failureHandler != null)
			mergedFailureHandler.append(failureHandler);
	}
	if (mergedFailureHandler.length() != 0)
		return mergedFailureHandler;
	else
		return null;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
public CharSequence getCompleteHandler(Component component) {
	StringBuffer mergedCompleteHandler = new StringBuffer();
	for (IAjaxCallListener listener: listeners) {
		CharSequence completeHandler = listener.getCompleteHandler(component);
		if (completeHandler != null)
			mergedCompleteHandler.append(completeHandler);
	}
	if (mergedCompleteHandler.length() != 0)
		return mergedCompleteHandler;
	else
		return null;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
@Override
public void renderHead(Component component, IHeaderResponse response) {
	for (IAjaxCallListener listener: listeners) {
		if (listener instanceof IComponentAwareHeaderContributor) {
			IComponentAwareHeaderContributor headerContributor = (IComponentAwareHeaderContributor) listener;
			headerContributor.renderHead(component, response);
		}
	}
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
protected IAjaxCallListener getOpenModalCallListener() {
	AjaxCallListener openModalListener = new AjaxCallListener();
	openModalListener.onBefore(BootstrapModalManagerStatement.loading().render(true));
	openModalListener.onSuccess(BootstrapModalManagerStatement.show(modal.getContainer(), modal.getBootstrapModal()).render(true));
	openModalListener.onFailure(BootstrapModalManagerStatement.removeLoading().render());
	return openModalListener;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
public CompositeAjaxCallListener(IAjaxCallListener... listeners) {
	this.listeners = listeners;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
private TextField<String> createForwardAnnotationTextField()
{
    TextField<String> textfield = new TextField<>("forwardAnno");
    textfield.setOutputMarkupId(true);
    textfield.add(new AjaxFormComponentUpdatingBehavior("keyup")
    {
        private static final long serialVersionUID = 4554834769861958396L;

        @Override
        protected void updateAjaxAttributes(AjaxRequestAttributes attributes)
        {
            super.updateAjaxAttributes(attributes);

            IAjaxCallListener listener = new AjaxCallListener()
            {
                private static final long serialVersionUID = -7968540662654079601L;

                @Override
                public CharSequence getPrecondition(Component component)
                {
                    return "var keycode = Wicket.Event.keyCode(attrs.event);    return true;";
                }
            };
            attributes.getAjaxCallListeners().add(listener);

            attributes.getDynamicExtraParameters().add("var eventKeycode = Wicket.Event" +
                    ".keyCode(attrs.event);return {keycode: eventKeycode};");
            attributes.setPreventDefault(false);
        }

        @Override
        protected void onUpdate(AjaxRequestTarget aTarget)
        {
            final Request request = RequestCycle.get().getRequest();
            final String jsKeycode = request.getRequestParameters()
                    .getParameterValue("keycode").toString("");
            if (jsKeycode.equals("32")) {
                try {
                    JCas jCas = editorPanel.getEditorCas();
                    editorPanel.actionCreateOrUpdate(aTarget, jCas);
                    selectedTag = "";
                }
                catch (Exception e) {
                    handleException(textfield, aTarget, e);
                }
                return;
            }
            if (jsKeycode.equals("13")) {
                selectedTag = "";
                return;
            }
            selectedTag = (textfield.getModelObject() == null ? ""
                    : textfield.getModelObject().charAt(0)) + selectedTag;
            Map<String, String> bindTags = getBindTags();
            if (!bindTags.isEmpty()) {
                List<FeatureState> featureStates = getModelObject().getFeatureStates();
                featureStates.get(0).value = getKeyBindValue(selectedTag, bindTags);
            }
            aTarget.add(textfield);
            aTarget.add(featureEditorPanelContent.get(0));
        }
    });
    textfield.add(new AttributeAppender("style", "opacity:0", ";"));
    // forwardAnno.add(new AttributeAppender("style", "filter:alpha(opacity=0)", ";"));
    return textfield;
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
/**
 * this listener will disable javascript event propagation from component to parent dom components
 *
 * @return {@link IAjaxCallListener}
 */
public static IAjaxCallListener stopPropagation() {
    return new AjaxCallListener().onBefore("\nattrs.event.stopPropagation();");
}
 

import org.apache.wicket.ajax.attributes.IAjaxCallListener; //导入依赖的package包/类
/**
 * Returns a decorator that will be used to decorate ajax links used in
 * sortable headers
 * 
 * @return decorator or null for none
 */
protected IAjaxCallListener getAjaxCallListener() {
    return null;
}