X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=wicket%2Fcomponents%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fwicket%2Fbehavior%2FCompositeBehavior.java;fp=wicket%2Fcomponents%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fwicket%2Fbehavior%2FCompositeBehavior.java;h=efd40b231065913aa389249c8177ed5c12d40258;hb=cf8230a84b46dbe64184b87f1743a5c7c770f338;hp=0000000000000000000000000000000000000000;hpb=0e762a5431af2bd621462013ee7a3ed4a66f7282;p=utils diff --git a/wicket/components/src/main/java/org/wamblee/wicket/behavior/CompositeBehavior.java b/wicket/components/src/main/java/org/wamblee/wicket/behavior/CompositeBehavior.java new file mode 100644 index 00000000..efd40b23 --- /dev/null +++ b/wicket/components/src/main/java/org/wamblee/wicket/behavior/CompositeBehavior.java @@ -0,0 +1,130 @@ +/* + * Copyright 2005-2010 the original author or authors. + * + * Licensed 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.wamblee.wicket.behavior; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +import org.apache.wicket.Application; +import org.apache.wicket.Component; +import org.apache.wicket.Response; +import org.apache.wicket.behavior.IBehavior; +import org.apache.wicket.markup.ComponentTag; +import org.apache.wicket.markup.html.IHeaderContributor; +import org.apache.wicket.markup.html.IHeaderResponse; +import org.apache.wicket.markup.html.internal.HeaderResponse; + +/** + * Composite behavior that allows combining a sequence of behaviors in one. This + * behavior return true by default for {@link #getStatelessHint(Component)}. It + * also returns false by default for {@link #isTemporary()}. + */ +public class CompositeBehavior implements IBehavior, IHeaderContributor { + + private List behaviors; + + /** + * Constructs the behvavior + * + * @param aBehaviors + * Array of behaviors. + */ + public CompositeBehavior(IBehavior... aBehaviors) { + behaviors = new ArrayList(Arrays.asList(aBehaviors)); + } + + /** + * Adds a behavior + * + * @param aBehavior + * Behavior. + */ + public void add(IBehavior aBehavior) { + behaviors.add(aBehavior); + } + + @Override + public void bind(Component aComponent) { + for (IBehavior behavior : behaviors) { + behavior.bind(aComponent); + } + } + + @Override + public void detach(Component aComponent) { + for (IBehavior behavior : behaviors) { + behavior.detach(aComponent); + } + } + + @Override + public void exception(Component aComponent, RuntimeException aException) { + for (IBehavior behavior : behaviors) { + behavior.exception(aComponent, aException); + } + } + + @Override + public void onComponentTag(Component aComponent, ComponentTag aTag) { + for (IBehavior behavior : behaviors) { + behavior.onComponentTag(aComponent, aTag); + } + } + + @Override + public void renderHead(IHeaderResponse aResponse) { + for (IBehavior behavior : behaviors) { + if (behavior instanceof IHeaderContributor) { + ((IHeaderContributor) behavior).renderHead(aResponse); + } + } + } + + @Override + public void beforeRender(Component aComponent) { + for (IBehavior behavior : behaviors) { + behavior.beforeRender(aComponent); + } + } + + @Override + public void afterRender(Component aComponent) { + for (IBehavior behavior : behaviors) { + behavior.afterRender(aComponent); + } + } + + @Override + public boolean getStatelessHint(Component aComponent) { + return false; + } + + @Override + public boolean isEnabled(Component aComponent) { + for (IBehavior behavior : behaviors) { + if (!behavior.isEnabled(aComponent)) { + return false; + } + } + return true; + } + + @Override + public boolean isTemporary() { + return false; + } +}