| /* |
| * 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.renderkit.renderer; |
| |
| import org.apache.myfaces.tobago.internal.component.AbstractUIData; |
| import org.apache.myfaces.tobago.internal.component.AbstractUITreeIndent; |
| import org.apache.myfaces.tobago.internal.component.AbstractUITreeNodeBase; |
| import org.apache.myfaces.tobago.internal.util.HtmlRendererUtils; |
| import org.apache.myfaces.tobago.renderkit.RendererBase; |
| import org.apache.myfaces.tobago.renderkit.css.BootstrapClass; |
| import org.apache.myfaces.tobago.renderkit.css.Icons; |
| import org.apache.myfaces.tobago.renderkit.css.TobagoClass; |
| import org.apache.myfaces.tobago.renderkit.html.DataAttributes; |
| import org.apache.myfaces.tobago.renderkit.html.HtmlElements; |
| import org.apache.myfaces.tobago.util.ComponentUtils; |
| import org.apache.myfaces.tobago.webapp.TobagoResponseWriter; |
| |
| import javax.faces.context.FacesContext; |
| import java.io.IOException; |
| |
| public class TreeIndentRenderer<T extends AbstractUITreeIndent> extends RendererBase<T> { |
| |
| @Override |
| public void encodeBeginInternal(final FacesContext facesContext, final T component) throws IOException { |
| |
| final AbstractUITreeNodeBase node = ComponentUtils.findAncestor(component, AbstractUITreeNodeBase.class); |
| final AbstractUIData data = ComponentUtils.findAncestor(component, AbstractUIData.class); |
| |
| if (node == null) { |
| throw new NullPointerException( |
| "No AbstractUITreeNodeBase as ancestor found from '" + component.getClientId() + "'"); |
| } |
| if (data == null) { |
| throw new NullPointerException("No AbstractUIData as ancestor found from '" + component.getClientId() + "'"); |
| } |
| |
| final boolean folder = node.isFolder(); |
| final boolean showJunctions = component.isShowJunctions(); |
| final boolean expanded = folder && data.getExpandedState().isExpanded(node.getPath()); |
| |
| final TobagoResponseWriter writer = getResponseWriter(facesContext); |
| |
| writer.startElement(HtmlElements.SPAN); |
| writer.writeIdAttribute(component.getClientId(facesContext)); |
| HtmlRendererUtils.writeDataAttributes(facesContext, writer, component); |
| writer.writeClassAttribute( |
| TobagoClass.TREE_NODE__TOGGLE, |
| !folder ? BootstrapClass.INVISIBLE : null, |
| component.getCustomClass()); |
| |
| // encode tree junction |
| if (!showJunctions) { |
| return; |
| } |
| writer.startElement(HtmlElements.I); |
| if (folder) { |
| writer.writeClassAttribute(Icons.FA, expanded ? Icons.MINUS_SQUARE_O : Icons.PLUS_SQUARE_O); |
| writer.writeAttribute(DataAttributes.OPEN, Icons.MINUS_SQUARE_O.getName(), false); |
| writer.writeAttribute(DataAttributes.CLOSED, Icons.PLUS_SQUARE_O.getName(), false); |
| } else { |
| writer.writeClassAttribute(Icons.FA, Icons.SQUARE_O, BootstrapClass.INVISIBLE); |
| } |
| writer.endElement(HtmlElements.I); |
| } |
| |
| @Override |
| public void encodeEndInternal(final FacesContext facesContext, final T component) throws IOException { |
| final TobagoResponseWriter writer = getResponseWriter(facesContext); |
| writer.endElement(HtmlElements.SPAN); |
| } |
| |
| } |