TableLayout


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    * 
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7    * or http://www.netbeans.org/cddl.txt.
8    * 
9    * When distributing Covered Code, include this CDDL Header Notice in each file
10   * and include the License file at http://www.netbeans.org/cddl.txt.
11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   * 
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package org.netbeans.modules.xml.wsdl.ui.view.grapheditor.layout;
21  
22  import java.awt.Point  ;
23  import java.awt.Rectangle  ;
24  import java.util.List  ;
25  import org.netbeans.api.visual.layout.Layout;
26  import org.netbeans.api.visual.widget.Widget;
27  
28  /**
29   *
30   * @author anjeleevich
31   */
32  public class TableLayout implements Layout {
33      
34      private int columnCount;
35      private int hgap;
36      private int vgap;
37      private int minColumnWidth;
38  
39      public TableLayout(int columnCount, int hgap, int vgap,
40              int minColumnWidth) 
41      {
42          this.minColumnWidth = minColumnWidth;
43          this.columnCount = columnCount;
44          this.hgap = hgap;
45          this.vgap = vgap;
46      }
47      
48      
49      public void layout(Widget widget) {
50          List  <Widget> children = widget.getChildren();
51  
52          int width = (minColumnWidth + hgap) * columnCount - hgap;;
53          int y = 0;
54  
55          for (int i = 0; i < children.size(); i += columnCount) {
56              
57              int rowHeight = 0;
58              
59              for (int j = 0; j < columnCount; j++) {
60                  Widget w = children.get(i + j);
61                  Rectangle   b = w.getPreferredBounds();
62                  rowHeight = Math.max(rowHeight, b.height);
63              }
64              
65              int x = 0;
66              
67              for (int j = 0; j < columnCount; j++) {
68                  Widget w = children.get(i + j);
69                  Rectangle   b = w.getPreferredBounds();
70                  b.height = rowHeight;
71                  b.width = minColumnWidth;
72                  w.resolveBounds(new Point  (x - b.x, y - b.y), b);
73                  
74                  x += minColumnWidth + hgap;
75              }
76              
77              y += rowHeight + vgap;
78          }
79      }
80  
81      public boolean requiresJustification(Widget widget) {
82          return true;
83      }
84  
85      public void justify(Widget widget) {
86          Rectangle   bounds = widget.getClientArea();
87  
88          int y0 = bounds.y;
89  
90          List  <Widget> children = widget.getChildren();
91  
92          for (int i = 0; i < children.size(); i += columnCount) {
93              int rowHeight = 0;
94  
95              for (int j = 0; j < columnCount; j++) {
96                  Widget w = children.get(i + j);
97                  Rectangle   b = w.getBounds();
98                  rowHeight = Math.max(rowHeight, b.height);
99              }
100             
101             int x0 = bounds.x;
102             int width = bounds.width;
103             
104             for (int j = 0; j < columnCount; j++) {
105                 Widget w = children.get(i + j);
106                 Rectangle   b = w.getBounds();
107                 
108                 int columnWidth = (width - hgap * (columnCount - 1 - j)) 
109                         / (columnCount - j);
110                 
111                 b.width = columnWidth;
112                 b.height = rowHeight;
113                 
114                 w.resolveBounds(new Point  (x0 - b.x, y0 - b.y), b);
115                 
116                 width -= columnWidth + hgap;
117                 x0 += columnWidth + hgap;
118             }
119             
120             y0 += rowHeight + vgap;
121         }
122     }
123 }
124
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