| /* |
| * 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.myfaces.tobago.internal.component; |
| |
| import org.apache.myfaces.tobago.component.Attributes; |
| import org.apache.myfaces.tobago.event.TabChangeEvent; |
| import org.apache.myfaces.tobago.event.TabChangeListener; |
| import org.apache.myfaces.tobago.event.TabChangeSource; |
| import org.apache.myfaces.tobago.event.TobagoActionSource; |
| import org.apache.myfaces.tobago.model.SwitchType; |
| import org.apache.myfaces.tobago.util.FacesELUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.el.MethodExpression; |
| import javax.el.ValueExpression; |
| import javax.faces.component.UIComponent; |
| import javax.faces.component.behavior.ClientBehaviorHolder; |
| import javax.faces.context.FacesContext; |
| import javax.faces.event.AbortProcessingException; |
| import javax.faces.event.ActionListener; |
| import javax.faces.event.FacesEvent; |
| import javax.faces.event.PhaseId; |
| import java.io.IOException; |
| import java.lang.invoke.MethodHandles; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * {@link org.apache.myfaces.tobago.internal.taglib.component.TabGroupTagDeclaration} |
| */ |
| public abstract class AbstractUITabGroup extends AbstractUIPanelBase |
| implements TabChangeSource, TobagoActionSource, ClientBehaviorHolder { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| @Override |
| public void encodeChildren(final FacesContext facesContext) throws IOException { |
| } |
| |
| @Override |
| public void encodeEnd(final FacesContext facesContext) throws IOException { |
| super.encodeEnd(facesContext); |
| setRenderedIndex(getSelectedIndex()); |
| } |
| |
| |
| @Override |
| public boolean getRendersChildren() { |
| return true; |
| } |
| |
| @Override |
| public void queueEvent(final FacesEvent event) { |
| if (this == event.getSource()) { |
| if (isImmediate() || getSwitchType() == SwitchType.client) { |
| // if switch type client event is always immediate |
| event.setPhaseId(PhaseId.APPLY_REQUEST_VALUES); |
| } else { |
| event.setPhaseId(PhaseId.INVOKE_APPLICATION); |
| } |
| } |
| super.queueEvent(event); |
| } |
| |
| public AbstractUITab[] getTabs() { |
| final List<AbstractUITab> tabs = new ArrayList<>(); |
| for (final UIComponent kid : getChildren()) { |
| if (kid instanceof AbstractUITab) { |
| //if (kid.isRendered()) { |
| tabs.add((AbstractUITab) kid); |
| //} |
| } else { |
| LOG.error("Invalid component in UITabGroup: " + kid); |
| } |
| } |
| return tabs.toArray(new AbstractUITab[0]); |
| } |
| |
| public AbstractUITab getActiveTab() { |
| return getTab(getSelectedIndex()); |
| } |
| |
| |
| @Override |
| public void processDecodes(final FacesContext context) { |
| if (!(getSwitchType() == SwitchType.client)) { |
| |
| if (context == null) { |
| throw new NullPointerException("context"); |
| } |
| if (!isRendered()) { |
| return; |
| } |
| int index = 0; |
| for (final UIComponent child : getChildren()) { |
| if (child instanceof AbstractUITab) { |
| final AbstractUITab tab = (AbstractUITab) child; |
| if (tab.isRendered()) { |
| if (getRenderedIndex() == index) { |
| tab.processDecodes(context); |
| } |
| } |
| index++; |
| } |
| } |
| // final AbstractUIPanelBase renderedTab = getRenderedTab(); |
| // renderedTab.processDecodes(context); |
| for (final UIComponent facet : getFacets().values()) { |
| facet.processDecodes(context); |
| } |
| try { |
| decode(context); |
| } catch (final RuntimeException e) { |
| context.renderResponse(); |
| throw e; |
| } |
| } else { |
| super.processDecodes(context); |
| } |
| } |
| |
| @Override |
| public void processValidators(final FacesContext context) { |
| if (!(getSwitchType() == SwitchType.client)) { |
| if (!isRendered()) { |
| return; |
| } |
| final AbstractUITab renderedTab = getTab(getRenderedIndex()); |
| if (renderedTab != null) { |
| renderedTab.processValidators(context); |
| } |
| for (final UIComponent facet : getFacets().values()) { |
| facet.processValidators(context); |
| } |
| } else { |
| super.processValidators(context); |
| } |
| } |
| |
| @Override |
| public void processUpdates(final FacesContext context) { |
| if (!(getSwitchType() == SwitchType.client)) { |
| if (!isRendered()) { |
| return; |
| } |
| final AbstractUITab renderedTab = getTab(getRenderedIndex()); |
| if (renderedTab != null) { |
| renderedTab.processUpdates(context); |
| } |
| for (final UIComponent facet : getFacets().values()) { |
| facet.processUpdates(context); |
| } |
| |
| } else { |
| super.processUpdates(context); |
| } |
| } |
| |
| @Override |
| public void broadcast(final FacesEvent facesEvent) throws AbortProcessingException { |
| super.broadcast(facesEvent); |
| if (facesEvent instanceof TabChangeEvent && facesEvent.getComponent() == this) { |
| final TabChangeEvent event = (TabChangeEvent) facesEvent; |
| |
| final MethodExpression methodExpression = getTabChangeListenerExpression(); |
| if (methodExpression != null) { |
| FacesELUtils.invokeMethodExpression(FacesContext.getCurrentInstance(), methodExpression, facesEvent); |
| } |
| |
| // switched off, because this is already called in super.broadcast() |
| // final ActionListener[] actionListeners = getActionListeners(); |
| // for (ActionListener listener : actionListeners) { |
| // listener.processAction(event); |
| // } |
| |
| // XXX is this needed? |
| if (!(getSwitchType() == SwitchType.client)) { |
| final ActionListener defaultActionListener = getFacesContext().getApplication().getActionListener(); |
| if (defaultActionListener != null) { |
| defaultActionListener.processAction(event); |
| } |
| } |
| final Integer index = event.getNewTabIndex(); |
| final ValueExpression expression = getValueExpression(Attributes.selectedIndex.getName()); |
| if (expression != null) { |
| expression.setValue(getFacesContext().getELContext(), index); |
| } else { |
| setSelectedIndex(index); |
| } |
| } |
| } |
| |
| @Override |
| public void addTabChangeListener(final TabChangeListener listener) { |
| if (LOG.isWarnEnabled() && getSwitchType() == SwitchType.client) { |
| LOG.warn("Adding TabChangeListener to client side TabGroup!"); |
| } |
| addFacesListener(listener); |
| } |
| |
| @Override |
| public void removeTabChangeListener(final TabChangeListener listener) { |
| removeFacesListener(listener); |
| } |
| |
| @Override |
| public TabChangeListener[] getTabChangeListeners() { |
| return (TabChangeListener[]) getFacesListeners(TabChangeListener.class); |
| } |
| |
| public abstract Integer getRenderedIndex(); |
| |
| public abstract void setRenderedIndex(Integer index); |
| |
| public abstract boolean isShowNavigationBar(); |
| |
| public abstract Integer getSelectedIndex(); |
| |
| public abstract void setSelectedIndex(Integer index); |
| |
| public abstract SwitchType getSwitchType(); |
| |
| private AbstractUITab getTab(final int index) { |
| int i = 0; |
| for (final UIComponent component : getChildren()) { |
| if (component instanceof AbstractUITab) { |
| if (i == index) { |
| return (AbstractUITab) component; |
| } |
| i++; |
| } else { |
| LOG.error("Invalid component in UITabGroup: " + component); |
| } |
| } |
| LOG.error("Found no component with index: " + index + " childCount: " + getChildCount()); |
| return null; |
| } |
| |
| /** |
| * @since 1.5.0 |
| */ |
| @Override |
| public void addActionListener(final ActionListener listener) { |
| addFacesListener(listener); |
| } |
| |
| /** |
| * @since 1.5.0 |
| */ |
| @Override |
| public ActionListener[] getActionListeners() { |
| return (ActionListener[]) getFacesListeners(ActionListener.class); |
| } |
| |
| /** |
| * @since 1.5.0 |
| */ |
| @Override |
| public void removeActionListener(final ActionListener listener) { |
| removeFacesListener(listener); |
| } |
| } |