LeftRightLayout


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    * 
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
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 org.netbeans.api.visual.layout.Layout;
25  import org.netbeans.api.visual.widget.Widget;
26  
27  /**
28   *
29   * @author anjeleevich
30   */
31  public class LeftRightLayout implements Layout {
32          
33      private int hgap;
34      private int maxLeftWidth;
35      
36      public LeftRightLayout(int hgap) {
37          this(hgap, 100000);
38      }
39      
40      
41      public LeftRightLayout(int hgap, int maxLeftWidth) {
42          this.hgap = hgap;
43          this.maxLeftWidth = maxLeftWidth;
44      }
45  
46      
47      public void layout(Widget widget) {
48          Widget w1 = widget.getChildren().get(0);
49          Widget w2 = widget.getChildren().get(1);
50  
51          Rectangle   b1 = w1.getPreferredBounds();
52          Rectangle   b2 = w2.getPreferredBounds();
53          
54          b1.width = Math.min(b1.width, maxLeftWidth);
55  
56          int height = Math.max(b1.height, b2.height);
57          int width = b1.width + hgap + b2.width;
58  
59          int x1 = -b1.x;
60          int x2 = width - b2.width - b2.x;
61  
62          int y1 = (height - b1.height) / 2 - b1.y;
63          int y2 = (height - b2.height) / 2 - b2.y;
64  
65          w1.resolveBounds(new Point  (x1, y1), b1);
66          w2.resolveBounds(new Point  (x2, y2), b2);
67      }
68  
69      
70      public boolean requiresJustification(Widget widget) {
71          return true;
72      }
73      
74  
75      public void justify(Widget widget) {
76          Widget w1 = widget.getChildren().get(0);
77          Widget w2 = widget.getChildren().get(1);
78  
79          Rectangle   bounds = widget.getClientArea();
80  
81          Rectangle   b1 = w1.getBounds();
82          Rectangle   b2 = w2.getBounds();
83  
84          int width = bounds.width;
85          int height = bounds.height;
86  
87          int x1 = bounds.x - b1.x;
88          int x2 = bounds.x + width - b2.width - b2.x;
89  
90          int y1 = bounds.y + (height - b1.height) / 2 - b1.y;
91          int y2 = bounds.y + (height - b2.height) / 2 - b2.y;
92  
93          w1.resolveBounds(new Point  (x1, y1), b1);
94          w2.resolveBounds(new Point  (x2, y2), b2);
95      }
96  }    
97
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