KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > netbeans > lib > editor > view > DefaultViewLayoutState


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 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.lib.editor.view;
21
22 import javax.swing.text.AbstractDocument JavaDoc;
23 import javax.swing.text.View JavaDoc;
24 import org.netbeans.editor.view.spi.FlyView;
25 import org.netbeans.editor.view.spi.LockView;
26 import org.netbeans.editor.view.spi.ViewLayoutState;
27
28 /**
29  * Extension of {@link SimpleViewLayoutState}
30  * that thoroughly handles minimum and maximum spans.
31  *
32  * @author Miloslav Metelka
33  * @version 1.00
34  */
35
36 public class DefaultViewLayoutState extends SimpleViewLayoutState {
37
38     private float layoutMinorAxisMinimumSpan;
39
40     private float layoutMinorAxisMaximumSpan;
41
42
43     public DefaultViewLayoutState(View JavaDoc v) {
44         super(v);
45     }
46
47     protected boolean minorAxisUpdateLayout(int minorAxis) {
48         View JavaDoc view = getView();
49         boolean minorAxisPreferenceChanged = false;
50         float val;
51         
52         val = view.getMaximumSpan(minorAxis);
53         if (val != getLayoutMinorAxisMaximumSpan()) {
54             setLayoutMinorAxisMaximumSpan(val);
55             minorAxisPreferenceChanged = true;
56         }
57         
58         val = view.getMinimumSpan(minorAxis);
59         if (val != getLayoutMinorAxisMinimumSpan()) {
60             setLayoutMinorAxisMinimumSpan(val);
61             minorAxisPreferenceChanged = true;
62         }
63         
64         return minorAxisPreferenceChanged;
65     }
66     
67     public float getLayoutMinorAxisMaximumSpan() {
68         return layoutMinorAxisMaximumSpan;
69     }
70     
71     public void setLayoutMinorAxisMaximumSpan(float layoutMinorAxisMaximumSpan) {
72         this.layoutMinorAxisMaximumSpan = layoutMinorAxisMaximumSpan;
73     }
74
75     public float getLayoutMinorAxisMinimumSpan() {
76         return layoutMinorAxisMinimumSpan;
77     }
78     
79     public void setLayoutMinorAxisMinimumSpan(float layoutMinorAxisMinimumSpan) {
80         this.layoutMinorAxisMinimumSpan = layoutMinorAxisMinimumSpan;
81     }
82
83 }
84
Popular Tags