001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *   http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.myfaces.tobago.taglib.component;
021    
022    import org.apache.myfaces.tobago.apt.annotation.BodyContent;
023    import org.apache.myfaces.tobago.apt.annotation.Tag;
024    import org.apache.myfaces.tobago.apt.annotation.UIComponentTag;
025    import org.apache.myfaces.tobago.taglib.decl.HasBinding;
026    import org.apache.myfaces.tobago.taglib.decl.HasBorder;
027    import org.apache.myfaces.tobago.taglib.decl.HasCellspacing;
028    import org.apache.myfaces.tobago.taglib.decl.HasColumnLayout;
029    import org.apache.myfaces.tobago.taglib.decl.HasId;
030    import org.apache.myfaces.tobago.taglib.decl.HasMargin;
031    import org.apache.myfaces.tobago.taglib.decl.HasMargins;
032    import org.apache.myfaces.tobago.taglib.decl.HasRowLayout;
033    
034    /*
035     * Date: 14.03.2006
036     * Time: 16:58:13
037     */
038    
039    /**
040     * Renders a GridLayout.
041     * <pre>
042     * columns/rows ::= LAYOUT
043     * LAYOUT       ::= TOKEN [";" TOKEN]+
044     * TOKEN        ::= FIXED | PIXEL | PROPORTIONAL
045     * FIXED        ::= "fixed"
046     * PIXEL        ::= NUMBER "px"
047     * PROPORTIONAL ::= [NUMBER] "*"
048     * </pre>
049     * <p/>
050     * <table border="1">
051     * <tr>
052     * <th>Parent</th>
053     * <th>Child</th>
054     * <th>Okay?</th>
055     * <th>Remarks</th>
056     * </tr>
057     * <tr>
058     * <td>FIXED</td>
059     * <td>any combination of FIXED or PIXEL but no PROPORTIONAL</td>
060     * <td>okay</td>
061     * <td>-</td>
062     * </tr>
063     * <tr>
064     * <td>FIXED</td>
065     * <td>any combination with at least one PROPORTIONAL</td>
066     * <td>wrong</td>
067     * <td>LayoutManager cannot compute the fixed value.</td>
068     * </tr>
069     * <tr>
070     * <td>PIXEL</td>
071     * <td>any combination of FIXED or PIXEL but no PROPORTIONAL</td>
072     * <td>potentially wrong</td>
073     * <td>The values depend on each other, the programmer has to keep consistency manually.</td>
074     * </tr>
075     * <tr>
076     * <td>PIXEL</td>
077     * <td>any combination with at least one PROPORTIONAL</td>
078     * <td>okay</td>
079     * <td>-</td>
080     * </tr>
081     * <tr>
082     * <td>PROPORTIONAL</td>
083     * <td>any combination of FIXED or PIXEL but no PROPORTIONAL</td>
084     * <td>potentially wrong</td>
085     * <td>No automatical matching:<ul><li>too little space: scrollbar</li>
086     * <li>too much space: elements will be spreaded.</li></ul></td>
087     * </tr>
088     * <tr>
089     * <td>PROPORTIONAL</td>
090     * <td>any combination with at least one PROPORTIONAL</td>
091     * <td>okay</td>
092     * <td>-</td>
093     * </tr>
094     * </table>
095     */
096    @Tag(name = "gridLayout", bodyContent = BodyContent.EMPTY)
097    @UIComponentTag(
098        uiComponent = "org.apache.myfaces.tobago.component.UIGridLayout",
099        rendererType = "GridLayout")
100    public interface GridLayoutTagDeclaration extends TobagoTagDeclaration, HasId, HasBorder, HasCellspacing, HasMargin,
101        HasMargins, HasColumnLayout, HasRowLayout, HasBinding {
102    }