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.ExtensionTag;
021    import org.apache.myfaces.tobago.apt.annotation.Tag;
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.HasLabelWidth;
027    import org.apache.myfaces.tobago.taglib.decl.HasTip;
028    import org.apache.myfaces.tobago.taglib.decl.IsDisabled;
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      private String tabIndex;
070    
071      private LabelExtensionTag labelTag;
072      private FileTag fileTag;
073    
074      @Override
075      public int doStartTag() throws JspException {
076    
077        labelTag = new LabelExtensionTag();
078        labelTag.setPageContext(pageContext);
079        if (label != null) {
080          labelTag.setValue(label);
081        }
082        if (tip != null) {
083          labelTag.setTip(tip);
084        }
085        if (rendered != null) {
086          labelTag.setRendered(rendered);
087        }
088        if (labelWidth != null) {
089          labelTag.setColumns(labelWidth + ";*");
090        }
091        labelTag.setParent(getParent());
092        labelTag.doStartTag();
093    
094        fileTag = new FileTag();
095        fileTag.setPageContext(pageContext);
096        if (value != null) {
097          fileTag.setValue(value);
098        }
099        if (valueChangeListener != null) {
100          fileTag.setValueChangeListener(valueChangeListener);
101        }
102        if (binding != null) {
103          fileTag.setBinding(binding);
104        }
105        if (validator != null) {
106          fileTag.setValidator(validator);
107        }
108        if (disabled != null) {
109          fileTag.setDisabled(disabled);
110        }
111        if (id != null) {
112          fileTag.setId(id);
113        }
114        if (onchange != null) {
115          fileTag.setOnchange(onchange);
116        }
117        if (required != null) {
118          fileTag.setRequired(required);
119        }
120        if (tabIndex != null) {
121          fileTag.setTabIndex(tabIndex);
122        }
123        fileTag.setParent(labelTag);
124        fileTag.doStartTag();
125    
126        return super.doStartTag();
127      }
128    
129      @Override
130      public int doEndTag() throws JspException {
131        fileTag.doEndTag();
132        labelTag.doEndTag();
133        return super.doEndTag();
134      }
135    
136      @Override
137      public void release() {
138        super.release();
139        binding = null;
140        validator = null;
141        disabled = null;
142        label = null;
143        labelWidth = null;
144        tip = null;
145        onchange = null;
146        value = null;
147        rendered = null;
148        valueChangeListener = null;
149        required = null;
150        tabIndex = null;
151        fileTag = null;
152        labelTag = null;
153      }
154    
155      public void setLabel(String label) {
156        this.label = label;
157      }
158    
159      public void setValue(String value) {
160        this.value = value;
161      }
162    
163      public void setValueChangeListener(String valueChangeListener) {
164        this.valueChangeListener = valueChangeListener;
165      }
166    
167      public void setOnchange(String onchange) {
168        this.onchange = onchange;
169      }
170    
171      public void setBinding(String binding) {
172        this.binding = binding;
173      }
174    
175      public void setRendered(String rendered) {
176        this.rendered = rendered;
177      }
178    
179      public void setValidator(String validator) {
180        this.validator = validator;
181      }
182    
183      public void setDisabled(String disabled) {
184        this.disabled = disabled;
185      }
186    
187      public void setTip(String tip) {
188        this.tip = tip;
189      }
190    
191      public void setLabelWidth(String labelWidth) {
192        this.labelWidth = labelWidth;
193      }
194    
195      public void setRequired(String required) {
196        this.required = required;
197      }
198    
199      public void setTabIndex(String tabIndex) {
200        this.tabIndex = tabIndex;
201      }
202    }