001 package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one or more
005 * contributor license agreements. See the NOTICE file distributed with
006 * this work for additional information regarding copyright ownership.
007 * The ASF licenses this file to You under the Apache License, Version 2.0
008 * (the "License"); you may not use this file except in compliance with
009 * the License. You may obtain a copy of the License at
010 *
011 * http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019
020 /*
021 * Created 07.02.2003 16:00:00.
022 * $Id: SelectManyListboxRenderer.java 697499 2008-09-21 12:50:11Z weber $
023 */
024
025 import org.apache.commons.logging.Log;
026 import org.apache.commons.logging.LogFactory;
027 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_DISABLED;
028 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_HEIGHT;
029 import static org.apache.myfaces.tobago.TobagoConstants.ATTR_READONLY;
030 import org.apache.myfaces.tobago.util.ComponentUtil;
031 import org.apache.myfaces.tobago.component.UISelectManyListbox;
032 import org.apache.myfaces.tobago.renderkit.SelectManyRendererBase;
033 import org.apache.myfaces.tobago.renderkit.util.RenderUtil;
034 import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
035 import org.apache.myfaces.tobago.renderkit.html.HtmlConstants;
036 import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtil;
037 import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
038
039 import javax.faces.component.UIComponent;
040 import javax.faces.context.FacesContext;
041 import javax.faces.model.SelectItem;
042 import java.io.IOException;
043 import java.util.Arrays;
044 import java.util.List;
045
046 public class SelectManyListboxRenderer extends SelectManyRendererBase {
047
048 private static final Log LOG = LogFactory.getLog(SelectManyListboxRenderer.class);
049
050 public boolean getRendersChildren() {
051 return true;
052 }
053
054 public int getComponentExtraWidth(FacesContext facesContext, UIComponent component) {
055 return 0;
056 }
057
058 public int getLabelWidth(FacesContext facesContext, UIComponent component) {
059 return getConfiguredValue(facesContext, component, "labelWidth");
060 }
061
062 public int getFixedHeight(FacesContext facesContext, UIComponent component) {
063 int fixedHeight = -1;
064 String height = (String) component.getAttributes().get(ATTR_HEIGHT);
065 if (height != null) {
066 try {
067 fixedHeight = Integer.parseInt(height.replaceAll("\\D", ""));
068 } catch (NumberFormatException e) {
069 LOG.warn("Can't parse " + height + " to int");
070 }
071 }
072
073 if (fixedHeight == -1) {
074 fixedHeight = super.getFixedHeight(facesContext, component);
075 }
076 return fixedHeight;
077 }
078
079 public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
080 if (!(component instanceof UISelectManyListbox)) {
081 LOG.error("Wrong type: Need " + UISelectManyListbox.class.getName() + ", but was "
082 + component.getClass().getName());
083 return;
084 }
085
086 UISelectManyListbox selectMany = (UISelectManyListbox) component;
087
088 List<SelectItem> items = RenderUtil.getSelectItems(selectMany);
089
090 if (LOG.isDebugEnabled()) {
091 LOG.debug("items.size() = '" + items.size() + "'");
092 }
093
094 TobagoResponseWriter writer = HtmlRendererUtil.getTobagoResponseWriter(facesContext);
095 String title = HtmlRendererUtil.getTitleFromTipAndMessages(facesContext, selectMany);
096 writer.startElement(HtmlConstants.SELECT, selectMany);
097 String clientId = selectMany.getClientId(facesContext);
098 writer.writeNameAttribute(clientId);
099 writer.writeIdAttribute(clientId);
100 boolean renderDisabled = ComponentUtil.getBooleanAttribute(selectMany, ATTR_DISABLED)
101 || ComponentUtil.getBooleanAttribute(selectMany, ATTR_READONLY);
102 writer.writeAttribute(HtmlAttributes.DISABLED, renderDisabled);
103 Integer tabIndex = selectMany.getTabIndex();
104 if (tabIndex != null) {
105 writer.writeAttribute(HtmlAttributes.TABINDEX, tabIndex);
106 }
107 writer.writeStyleAttribute();
108 writer.writeClassAttribute();
109 writer.writeAttribute(HtmlAttributes.MULTIPLE, HtmlAttributes.MULTIPLE, false);
110 if (title != null) {
111 writer.writeAttribute(HtmlAttributes.TITLE, title, true);
112 }
113 Object[] values = selectMany.getSelectedValues();
114 if (LOG.isDebugEnabled()) {
115 LOG.debug("values = '" + Arrays.toString(values) + "'");
116 }
117 HtmlRendererUtil.renderSelectItems(selectMany, items, values, writer, facesContext);
118
119 writer.endElement(HtmlConstants.SELECT);
120 HtmlRendererUtil.checkForCommandFacet(selectMany, facesContext, writer);
121 }
122
123 }
124