/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.viewer.wicket.ui;
import org.apache.wicket.Component;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.resource.CssResourceReference;
import org.apache.isis.viewer.wicket.ui.panels.PanelUtil;
/**
* Adapter implementation for {@link ComponentFactory}.
*/
public abstract class ComponentFactoryAbstract implements ComponentFactory {
private static final long serialVersionUID = 1L;
private final ComponentType componentType;
private final String name;
private final Class<?> componentClass;
public ComponentFactoryAbstract(final ComponentType componentType) {
this(componentType, null, null);
}
public ComponentFactoryAbstract(final ComponentType componentType, final String name) {
this(componentType, name, null);
}
public ComponentFactoryAbstract(final ComponentType componentType, @SuppressWarnings("rawtypes") Class componentClass) {
this(componentType, null, componentClass);
}
public ComponentFactoryAbstract(final ComponentType componentType, final String name, @SuppressWarnings("rawtypes") Class componentClass) {
this.componentType = componentType;
this.name = name != null ? name : getClass().getSimpleName();
if(componentClass != null && ComponentFactory.class.isAssignableFrom(componentClass)) {
throw new IllegalArgumentException("specified a ComponentFactory as a componentClass... you probably meant the component instead? componentClass = " + componentClass.getName());
}
this.componentClass = componentClass;
}
@Override
public ComponentType getComponentType() {
return componentType;
}
/**
* Applies if {@link #getComponentType()} matches; disregards the provided
* {@link IModel}.
*
* @see #appliesTo(IModel)
*/
@Override
public final ApplicationAdvice appliesTo(final ComponentType componentType, final IModel<?> model) {
if (componentType != getComponentType()) {
return ApplicationAdvice.DOES_NOT_APPLY;
}
return appliesTo(model);
}
/**
* Hook for subclasses to check the {@link IModel}.
*/
protected abstract ApplicationAdvice appliesTo(IModel<?> model);
protected final ApplicationAdvice appliesIf(final boolean b) {
return ApplicationAdvice.appliesIf(b);
}
/**
* Convenience for subclasses to call from {@link #appliesTo(IModel)}
*/
protected final ApplicationAdvice appliesExclusivelyIf(final boolean b) {
return b ? ApplicationAdvice.APPLIES_EXCLUSIVELY : ApplicationAdvice.DOES_NOT_APPLY;
}
@Override
public final Component createComponent(final IModel<?> model) {
return createComponent(getComponentType().toString(), model);
}
@Override
public abstract Component createComponent(String id, IModel<?> model);
@Override
public String getName() {
return name;
}
@Override
public CssResourceReference getCssResourceReference() {
return PanelUtil.cssResourceReferenceFor(componentClass);
}
}