/* * JBoss, Home of Professional Open Source * Copyright ${year}, Red Hat, Inc. and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.richfaces.component; import java.util.Iterator; import javax.faces.component.UIComponent; import javax.faces.component.behavior.ClientBehaviorHolder; import javax.faces.component.visit.VisitCallback; import javax.faces.component.visit.VisitContext; import javax.faces.component.visit.VisitResult; import javax.faces.context.FacesContext; import javax.faces.render.Renderer; import org.richfaces.cdk.annotations.Attribute; import org.richfaces.cdk.annotations.Facet; import org.richfaces.cdk.annotations.JsfComponent; import org.richfaces.cdk.annotations.JsfRenderer; import org.richfaces.cdk.annotations.Tag; import org.richfaces.cdk.annotations.TagType; import org.richfaces.component.attribute.AjaxProps; import org.richfaces.component.attribute.BypassProps; import org.richfaces.component.attribute.CoreProps; import org.richfaces.component.attribute.EventsMouseProps; import org.richfaces.component.attribute.I18nProps; import org.richfaces.context.ExtendedRenderVisitContext; import org.richfaces.renderkit.html.DivPanelRenderer; import com.google.common.collect.ImmutableSet; /** * <p>The <rich:tab> component represents an individual tab inside a <rich:tabPanel> component, including * the tab's content. Clicking on the tab header will bring its corresponding content to the front of other tabs.</p> * * @author akolonitsky */ @JsfComponent( tag = @Tag(type = TagType.Facelets), facets = { @Facet(name = "header", generate = false) }, renderer = @JsfRenderer(type = "org.richfaces.TabRenderer")) public abstract class AbstractTab extends AbstractActionComponent implements AbstractTogglePanelTitledItem, ClientBehaviorHolder, AjaxProps, BypassProps, CoreProps, EventsMouseProps, I18nProps { public static final String COMPONENT_TYPE = "org.richfaces.Tab"; public static final String COMPONENT_FAMILY = "org.richfaces.Tab"; public AbstractTab() {setRendererType("org.richfaces.TabRenderer"); } // ------------------------------------------------ Html Attributes enum Properties { headerDisabledClass, headerInactiveClass, headerClass, contentClass, execute, headerActiveClass, header, switchType } /** * Suppress the inherited value attribute from the taglib. */ @Attribute(hidden = true) public abstract Object getValue(); /** * The CSS class applied to the header when this panel is active */ @Attribute(generate = false) public String getHeaderActiveClass() { String value = (String) getStateHelper().eval(Properties.headerActiveClass); if (value != null) { return value; } return getTabPanel().getTabActiveHeaderClass(); } public void setHeaderActiveClass(String headerActiveClass) { getStateHelper().put(Properties.headerActiveClass, headerActiveClass); } /** * The CSS class applied to the header when this panel is disabled */ @Attribute(generate = false) public String getHeaderDisabledClass() { String value = (String) getStateHelper().eval(Properties.headerDisabledClass); if (value != null) { return value; } return getTabPanel().getTabDisabledHeaderClass(); } public void setHeaderDisabledClass(String headerDisabledClass) { getStateHelper().put(Properties.headerDisabledClass, headerDisabledClass); } /** * The CSS class applied to the header when this panel is inactive */ @Attribute(generate = false) public String getHeaderInactiveClass() { String value = (String) getStateHelper().eval(Properties.headerInactiveClass); if (value != null) { return value; } return getTabPanel().getTabInactiveHeaderClass(); } public void setHeaderInactiveClass(String headerInactiveClass) { getStateHelper().put(Properties.headerInactiveClass, headerInactiveClass); } /** * The CSS class applied to the header */ @Attribute(generate = false) public String getHeaderClass() { String value = (String) getStateHelper().eval(Properties.headerClass); if (value != null) { return value; } return getTabPanel().getTabHeaderClass(); } public void setHeaderClass(String headerClass) { getStateHelper().put(Properties.headerClass, headerClass); } /** * The CSS class applied to the panel content */ @Attribute(generate = false) public String getContentClass() { String value = (String) getStateHelper().eval(Properties.contentClass); if (value != null) { return value; } return getTabPanel().getTabContentClass(); } public void setContentClass(String contentClass) { getStateHelper().put(Properties.contentClass, contentClass); } @Attribute(generate = false) public Object getExecute() { Object execute = getStateHelper().eval(Properties.execute); if (execute == null) { execute = ""; } return execute + " " + getTabPanel().getId(); } public void setExecute(Object execute) { getStateHelper().put(Properties.execute, execute); } // /////////////////////////////////////////////////////////////////////// public UIComponent getHeaderFacet(Enum<?> state) { return getHeaderFacet(this, state); } public static UIComponent getHeaderFacet(UIComponent component, Enum<?> state) { UIComponent headerFacet = null; if (state != null) { headerFacet = component.getFacet("header" + DivPanelRenderer.capitalize(state.toString())); } if (headerFacet == null) { headerFacet = component.getFacet("header"); } return headerFacet; } /** * If the VisitContext is not the RenderExtendedVisitContext, return the usual FacetsAndChildren iterator. * Otherwise return only the Facet iterator when a child visit is not required. * * This is useful to not render the tab contents when an item is not visible, while still visiting the header facets. * * @param visitContext The VisitContext of the component tree visit. */ public static Iterator<UIComponent> getVisitableChildren(UIComponent component, VisitContext visitContext) { Iterator<UIComponent> kids; if (ExtendedRenderVisitContext.isExtendedRenderVisitContext(visitContext) && component instanceof VisitChildrenRejectable && ! ((VisitChildrenRejectable)component).shouldVisitChildren()) { if (component.getFacetCount() > 0) { kids = component.getFacets().values().iterator(); } else { kids = ImmutableSet.<UIComponent>of().iterator(); } } else { kids = component.getFacetsAndChildren(); } return kids; } // ------------------------------------------------ Component Attributes /** * The header label of the tab */ @Attribute(generate = false) public String getHeader() { return (String) getStateHelper().eval(Properties.header, getName()); } public void setHeader(String header) { getStateHelper().put(Properties.header, header); } // ------------------------------------------------ AbstractTogglePanelItemInterface @Override public AbstractTabPanel getParentPanel() { return ComponentIterators.getParent(this, AbstractTabPanel.class); } @Override public boolean isDynamicPanelItem() { return AbstractTogglePanel.isPanelItemDynamic(this); } public AbstractTabPanel getTabPanel() { return getParentPanel(); } @Override public boolean isActive() { return getTabPanel().isActiveItem(this); } @Override public boolean shouldVisitChildren() { return isActive() || getSwitchType() == SwitchType.client; } /** * The name of the tab, used for identifying and manipulating the active panel */ @Attribute(generate = false) @Override public String getName() { return (String) getStateHelper().eval(AbstractTogglePanelItem.NAME, getClientId()); } public void setName(String name) { getStateHelper().put(AbstractTogglePanelItem.NAME, name); } @Override public String toString() { return "TogglePanelItem {name: " + getName() + ", switchType: " + getSwitchType() + '}'; } /** * The switch type for this toggle panel: client, ajax (default), server */ @Attribute(generate = false) @Override public SwitchType getSwitchType() { SwitchType switchType = (SwitchType) getStateHelper().eval(Properties.switchType); if (switchType == null) { switchType = getParentPanel().getSwitchType(); } if (switchType == null) { switchType = SwitchType.DEFAULT; } return switchType; } public void setSwitchType(SwitchType switchType) { getStateHelper().put(Properties.switchType, switchType); } @Override public Renderer getRenderer(FacesContext context) { return super.getRenderer(context); } @Override /** * UIComponent#visitTree modified to delegate to AbstractTab#getVisitableChildren() to retrieve the children iterator */ public boolean visitTree(VisitContext context, VisitCallback callback) { if (!isVisitable(context)) { return false; } FacesContext facesContext = context.getFacesContext(); pushComponentToEL(facesContext, null); try { VisitResult result = context.invokeVisitCallback(this, callback); if (result == VisitResult.COMPLETE) { return true; } if (result == VisitResult.ACCEPT) { // Do not render the non-active children, but always render the visible header facets. Iterator<UIComponent> kids = AbstractTab.getVisitableChildren(this, context); while(kids.hasNext()) { boolean done = kids.next().visitTree(context, callback); if (done) { return true; } } } } finally { popComponentFromEL(facesContext); } return false; } }