+++ /dev/null
-/*
- * 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 org.apache.wicket.markup.html.WebPage;
-import org.apache.wicket.protocol.http.WebResponse;
-
-/**
- * Abstract page behavior to simplify implementations of behaviors thar don't need to
- * implement all callbacks.
- *
- * @author Erik Brakkee
- */
-public abstract class AbstractPageBehavior implements PageBehavior {
-
- /**
- * Constructor.
- */
- protected AbstractPageBehavior() {
- // Empty
- }
-
- @Override
- public void onAfterRender(WebPage aPage) {
- // Empty
- }
-
- @Override
- public void onBeforeRender(WebPage aPage) {
- // Empty
- }
-
- @Override
- public void setHeaders(WebPage aPage, WebResponse aResponse) {
- // Empty
- }
-
-}
+++ /dev/null
-/*
- * 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.io.Serializable;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.wicket.markup.html.WebPage;
-import org.apache.wicket.protocol.http.WebResponse;
-
-/**
- * Implements a composite page behavior which invokes all behaviors in the order they were
- * added.
- *
- * To use this in an arbitrary page, override <code>onBeforeRender()</code>,
- * <code>setHeaders()</code> and <code>onAfterRender</code> in the page and delegate to the
- * corresponding methods in this class.
- *
- * @author Erik Brakkee
- */
-public class CompositePageBehavior implements PageBehavior {
-
- private List<PageBehavior> behaviors;
-
- /**
- * Constructs the compositie.
- */
- public CompositePageBehavior() {
- behaviors = new ArrayList<PageBehavior>();
- }
-
- /**
- * Adds a behavior.
- * @param aBehavior Behavior
- */
- public void add(PageBehavior aBehavior) {
- behaviors.add(aBehavior);
- }
-
- @Override
- public void onAfterRender(WebPage aPage) {
- for (PageBehavior behavior: behaviors) {
- behavior.onAfterRender(aPage);
- }
- }
-
- @Override
- public void onBeforeRender(WebPage aPage) {
- for (PageBehavior behavior: behaviors) {
- behavior.onBeforeRender(aPage);
- }
- }
-
- @Override
- public void setHeaders(WebPage aPage, WebResponse aResponse) {
- for (PageBehavior behavior: behaviors) {
- behavior.setHeaders(aPage, aResponse);
- }
- }
-
-}
+++ /dev/null
-/*
- * 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 org.apache.wicket.markup.html.WebPage;
-import org.apache.wicket.protocol.http.WebResponse;
-
-/**
- * <p>
- * Behavior to disable browser caching. This also means that the page
- * automatically expires the first time after it is rendered.
- * </p>
- *
- * <p>
- * Important: To make sure that form data cannot be submitted twice for
- * the same data using the back button, it is still necessary to explicitly call
- * <code>getPage().getPageMap().remove(getPage());</code>
- * in the <code>onSubmit</code> callback of the form.
- * </p>
- *
- * @author Erik Brakkee
- *
- */
-public class DisableCachingBehavior extends ExpirePageImmediatelyBehavior {
-
- @Override
- public void setHeaders(WebPage aPage, WebResponse aResponse) {
- aResponse.setHeader("Pragma", "no-cache");
- aResponse.setHeader("Cache-Control",
- "no-cache, max-age=0, must-revalidate, no-store");
- }
-}
+++ /dev/null
-/*
- * 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 org.apache.wicket.markup.html.WebPage;
-
-/**
- * Page which will be removed from the page map after rendering so it can be
- * viewed only once.
- *
- * @author Erik Brakkee
- *
- */
-public class ExpirePageImmediatelyBehavior extends AbstractPageBehavior {
-
- @Override
- public void onAfterRender(WebPage aPage) {
- aPage.getPageMap().remove(aPage);
- }
-
-}
+++ /dev/null
-/*
- * 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.logging.Level;
-import java.util.logging.Logger;
-
-import javax.annotation.Resource;
-import javax.persistence.EntityManager;
-import javax.persistence.PersistenceException;
-import javax.persistence.TransactionRequiredException;
-import javax.transaction.Status;
-import javax.transaction.SystemException;
-import javax.transaction.UserTransaction;
-
-import org.apache.wicket.markup.html.WebPage;
-
-/**
- * Behavior to flush the entity manager after rendering of the page.
- *
- * @author Erik Brakkee
- *
- */
-public class FlushEntityManagerBehavior extends AbstractPageBehavior {
-
- private static final Logger LOGGER = Logger
- .getLogger(FlushEntityManagerBehavior.class.getName());
-
- private EntityManager entityManager;
-
- /**
- * Constructs the behavior.
- *
- * @param aEntityManager
- * Contextual reference to an entitymanager.
- */
- public FlushEntityManagerBehavior(EntityManager aEntityManager) {
- entityManager = aEntityManager;
- }
-
- @Override
- public void onAfterRender(WebPage aPage) {
- try {
- if (entityManager.isOpen()) {
- entityManager.flush();
- }
- } catch (TransactionRequiredException e) {
- throw e;
- } catch (PersistenceException e) {
- throw e;
- } catch (Exception e) {
- LOGGER.log(Level.WARNING, "Could not flush entitymanager", e);
- }
- }
-
-}
+++ /dev/null
-/*
- * 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.io.Serializable;
-
-import org.apache.wicket.markup.html.WebPage;
-import org.apache.wicket.protocol.http.WebResponse;
-
-/**
- * Page behavior interface. This provides a mechanism to extend page behavior without
- * subclassing.
- *
- * @author Erik Brakkee
- */
-public interface PageBehavior extends Serializable {
-
- /**
- * To be called as part of the Page's <code>onBeforeRender</code>
- * @param aPage Page this is called for.
- */
- void onBeforeRender(WebPage aPage);
-
- /**
- * To be called as part of the Page's <code>setHeaders</code>
- * @param aPage Page this is called for.
- * @param aResponse Response to set headers for.
- */
- void setHeaders(WebPage aPage, WebResponse aResponse);
-
- /**
- * To be called as part of the Page's <code>onAfterRender</code>
- * @param aPage Page this is called for.
- */
- void onAfterRender(WebPage aPage);
-}
+++ /dev/null
-/*
- * 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 org.apache.wicket.behavior.HeaderContributor;
-import org.apache.wicket.markup.html.CSSPackageResource;
-import org.apache.wicket.markup.html.JavascriptPackageResource;
-
-/**
- * Reset CSS style to obtain more uniform browser behavior.
- *
- * @author Erik Brakkee
- */
-public class ResetCssBehavior extends HeaderContributor {
-
- /**
- * Constructs the behavior.
- */
- public ResetCssBehavior() {
- super(CSSPackageResource.getHeaderContribution(ResetCssBehavior.class, "reset.css"));
- }
-
-}
+++ /dev/null
-/*
- * 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 javax.persistence.EntityManager;
-import javax.transaction.UserTransaction;
-
-import org.apache.wicket.IPageMap;
-import org.apache.wicket.PageParameters;
-import org.apache.wicket.markup.html.WebPage;
-import org.apache.wicket.model.IModel;
-import org.apache.wicket.protocol.http.WebResponse;
-
-/**
- * Base page for wicket applications that allows customization of various bahaviors of the
- * page. This page has no associated markup.
- *
- * The utility methods {@link #disableCaching()}, {@link #expireImmediately()},
- * and {@link #flushEntityManagerAfterRender(EntityManager)} are provide for quicly adding
- * behaviors. Alternatively, the method {@link #addBehavior(PageBehavior)} can be used.
- *
- * @author Erik Brakkee
- *
- */
-public class WebApplicationBasePage extends WebPage {
-
- private CompositePageBehavior behaviors;
-
- protected WebApplicationBasePage() {
- super();
- init();
- }
-
- protected WebApplicationBasePage(final IModel<?> model)
- {
- super(model);
- init();
- }
-
- protected WebApplicationBasePage(final IPageMap pageMap)
- {
- super(pageMap);
- init();
- }
-
- protected WebApplicationBasePage(final IPageMap pageMap, final IModel<?> model)
- {
- super(pageMap, model);
- init();
- }
-
- protected WebApplicationBasePage(final PageParameters parameters)
- {
- super(parameters);
- init();
- }
-
- protected WebApplicationBasePage(final IPageMap pageMap, final PageParameters parameters)
- {
- super(pageMap, parameters);
- init();
- }
-
- private void init() {
- behaviors = new CompositePageBehavior();
- }
-
- /**
- * Disables caching. This implies expiry of the page from the page map.
- */
- protected void disableCaching() {
- addBehavior(new DisableCachingBehavior());
- }
-
- /**
- * Expires the page immediately. Refresh in the browser will lead to an expired page.
- */
- protected void expireImmediately() {
- addBehavior(new ExpirePageImmediatelyBehavior());
- }
-
- /**
- * Flushes the entitymanager immedately after rendering to make sure that errors are
- * caught early.
- * @param aEntityManager Contextual reference to an entity manager.
- */
- protected void flushEntityManagerAfterRender(EntityManager aEntityManager) {
- addBehavior(new FlushEntityManagerBehavior(aEntityManager));
- }
-
- /**
- * Adds a specific behavior to the page.
- * @param aBehavior Behavior to add.
- */
- public void addBehavior(PageBehavior aBehavior) {
- behaviors.add(aBehavior);
- }
-
- @Override
- protected void onBeforeRender() {
- behaviors.onBeforeRender(this);
- super.onBeforeRender();
- }
-
- @Override
- protected void setHeaders(WebResponse aResponse) {
- super.setHeaders(aResponse);
- behaviors.setHeaders(this, aResponse);
- }
-
- @Override
- protected void onAfterRender() {
- super.onAfterRender();
- behaviors.onAfterRender(this);
- }
-}
+++ /dev/null
-/*
- * 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.
- */
-/**
- * This package contains various utilities for behaviors on components and pages.
- *
- * Entry points to this package are as follows:
- * <ul>
- * <li> {@link WebApplicationBasePage}: A generic web page base class to which various
- * behaviors can be added.
- * </li>
- * <li> {@link CompositePageBehavior}: The composite behavior to which the various
- * callbacks from wicket to the page can be delegated. Useful in case the inheritance
- * approach based on {@link WebApplicationBasePage} canno tbe used.
- * </li>
- * <li> {@link PageBehavior}: The page behavior interface.
- * </li>
- * </ul>
- */
-package org.wamblee.wicket.behavior;
\ No newline at end of file
git://wamblee.org / utils / commitdiff