001    package org.apache.myfaces.tobago.taglib.extension;
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    import org.apache.myfaces.tobago.apt.annotation.Tag;
021    import org.apache.myfaces.tobago.apt.annotation.ExtensionTag;
022    import org.apache.myfaces.tobago.taglib.component.FileTag;
023    import org.apache.myfaces.tobago.taglib.component.InputTagDeclaration;
024    import org.apache.myfaces.tobago.taglib.decl.HasIdBindingAndRendered;
025    import org.apache.myfaces.tobago.taglib.decl.HasLabel;
026    import org.apache.myfaces.tobago.taglib.decl.HasTip;
027    import org.apache.myfaces.tobago.taglib.decl.IsDisabled;
028    import org.apache.myfaces.tobago.taglib.decl.HasLabelWidth;
029    import org.apache.myfaces.tobago.taglib.decl.IsRequired;
030    
031    import javax.servlet.jsp.JspException;
032    import javax.servlet.jsp.tagext.BodyTagSupport;
033    
034    /**
035     * Renders a file input field with a label.
036     *
037     * Short syntax of:
038     *
039     * <pre>
040     * &lt;tc:panel>
041     *   &lt;f:facet name="layout">
042     *     &lt;tc:gridLayout columns="fixed;*"/>
043     *   &lt;/f:facet>
044     *   &lt;tc:label value="#{label}" for="@auto"/>
045     *   &lt;tc:file value="#{value}">
046     *     ...
047     *   &lt;/tc:in>
048     * &lt;/tc:panel>
049     * </pre>
050     */
051    
052    @Tag(name = "file")
053    @ExtensionTag(baseClassName = "org.apache.myfaces.tobago.taglib.component.FileTag")
054    public class FileExtensionTag extends BodyTagSupport
055        implements InputTagDeclaration, HasIdBindingAndRendered, IsDisabled,
056        HasTip, HasLabel, HasLabelWidth, IsRequired {
057    
058      private String binding;
059      private String label;
060      private String value;
061      private String valueChangeListener;
062      private String validator;
063      private String disabled;
064      private String rendered;
065      private String tip;
066      private String onchange;
067      private String labelWidth;
068      private String required;
069    
070      private LabelExtensionTag labelTag;
071      private FileTag fileTag;
072    
073      @Override
074      public int doStartTag() throws JspException {
075    
076        labelTag = new LabelExtensionTag();
077        labelTag.setPageContext(pageContext);
078        if (label != null) {
079          labelTag.setValue(label);
080        }
081        if (tip != null) {
082          labelTag.setTip(tip);
083        }
084        if (rendered != null) {
085          labelTag.setRendered(rendered);
086        }
087        if (labelWidth != null) {
088          labelTag.setColumns(labelWidth + ";*");
089        }
090        labelTag.setParent(getParent());
091        labelTag.doStartTag();
092    
093        fileTag = new FileTag();
094        fileTag.setPageContext(pageContext);
095        if (value != null) {
096          fileTag.setValue(value);
097        }
098        if (valueChangeListener != null) {
099          fileTag.setValueChangeListener(valueChangeListener);
100        }
101        if (binding != null) {
102          fileTag.setBinding(binding);
103        }
104        if (validator != null) {
105          fileTag.setValidator(validator);
106        }
107        if (disabled != null) {
108          fileTag.setDisabled(disabled);
109        }
110        if (id != null) {
111          fileTag.setId(id);
112        }
113        if (onchange != null) {
114          fileTag.setOnchange(onchange);
115        }
116        if (required != null) {
117          fileTag.setRequired(required);
118        }
119        fileTag.setParent(labelTag);
120        fileTag.doStartTag();
121    
122        return super.doStartTag();
123      }
124    
125      @Override
126      public int doEndTag() throws JspException {
127        fileTag.doEndTag();
128        labelTag.doEndTag();
129        return super.doEndTag();
130      }
131    
132      @Override
133      public void release() {
134        super.release();
135        binding = null;
136        validator = null;
137        disabled = null;
138        label = null;
139        labelWidth = null;
140        tip = null;
141        onchange = null;
142        value = null;
143        rendered = null;
144        valueChangeListener = null;
145        required = null;
146        fileTag = null;
147        labelTag = null;
148      }
149    
150      public void setLabel(String label) {
151        this.label = label;
152      }
153    
154      public void setValue(String value) {
155        this.value = value;
156      }
157    
158      public void setValueChangeListener(String valueChangeListener) {
159        this.valueChangeListener = valueChangeListener;
160      }
161    
162      public void setOnchange(String onchange) {
163        this.onchange = onchange;
164      }
165    
166      public void setBinding(String binding) {
167        this.binding = binding;
168      }
169    
170      public void setRendered(String rendered) {
171        this.rendered = rendered;
172      }
173    
174      public void setValidator(String validator) {
175        this.validator = validator;
176      }
177    
178      public void setDisabled(String disabled) {
179        this.disabled = disabled;
180      }
181    
182      public void setTip(String tip) {
183        this.tip = tip;
184      }
185    
186      public void setLabelWidth(String labelWidth) {
187        this.labelWidth = labelWidth;
188      }
189    
190      public void setRequired(String required) {
191        this.required = required;
192      }
193    }