| /* |
| * 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.component.RendererTypes; |
| import org.apache.myfaces.tobago.component.Tags; |
| import org.apache.myfaces.tobago.context.Markup; |
| import org.apache.myfaces.tobago.internal.component.AbstractUIGridLayout; |
| import org.apache.myfaces.tobago.internal.component.AbstractUIStyle; |
| import org.apache.myfaces.tobago.layout.Measure; |
| import org.apache.myfaces.tobago.layout.MeasureList; |
| import org.apache.myfaces.tobago.renderkit.RendererBase; |
| import org.apache.myfaces.tobago.renderkit.css.TobagoClass; |
| import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes; |
| import org.apache.myfaces.tobago.renderkit.html.HtmlElements; |
| import org.apache.myfaces.tobago.renderkit.html.HtmlRoleValues; |
| import org.apache.myfaces.tobago.webapp.TobagoResponseWriter; |
| |
| import javax.faces.context.FacesContext; |
| import java.io.IOException; |
| |
| public class GridLayoutRenderer<T extends AbstractUIGridLayout> extends RendererBase<T> { |
| |
| @Override |
| public void encodeBeginInternal(final FacesContext facesContext, final T component) throws IOException { |
| final TobagoResponseWriter writer = getResponseWriter(facesContext); |
| final Markup markup = component.getMarkup(); |
| |
| writer.startElement(HtmlElements.TOBAGO_GRID_LAYOUT); |
| writer.writeAttribute(HtmlAttributes.ROLE, HtmlRoleValues.PRESENTATION.toString(), false); |
| writer.writeIdAttribute(component.getClientId(facesContext)); |
| writer.writeClassAttribute( |
| markup != null && markup.contains(Markup.SPREAD) ? TobagoClass.SPREAD : null); |
| |
| final MeasureList columns = MeasureList.parse(component.getColumns()); |
| final MeasureList rows = MeasureList.parse(component.getRows()); |
| |
| final AbstractUIStyle style = (AbstractUIStyle) facesContext.getApplication().createComponent( |
| facesContext, Tags.style.componentType(), RendererTypes.Style.name()); |
| style.setTransient(true); |
| |
| /* |
| * If the column attribute contains and 'auto' value but not an 'fr' value, |
| * the behavior of the 'auto' value is the same as a 'fr' value. |
| * So if there is only an 'auto' value we add a hidden 'fr' value. |
| * https://issues.apache.org/jira/browse/TOBAGO-2002 |
| */ |
| if (columns.stream().anyMatch(measure -> Measure.Unit.AUTO.equals(measure.getUnit())) |
| && columns.stream().noneMatch(measure -> Measure.Unit.FR.equals(measure.getUnit()))) { |
| columns.add(new Measure(1, Measure.Unit.FR)); |
| } |
| |
| style.setGridTemplateColumns(columns.serialize()); |
| style.setGridTemplateRows(rows.serialize()); |
| component.getChildren().add(style); |
| } |
| |
| @Override |
| public void encodeEndInternal(final FacesContext facesContext, final T component) throws IOException { |
| final TobagoResponseWriter writer = getResponseWriter(facesContext); |
| |
| writer.endElement(HtmlElements.TOBAGO_GRID_LAYOUT); |
| } |
| } |