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Java > Open Source Codes > org > enhydra > jawe > xml > panels > XMLRadioChoicePanel


1 /* XMLRadioChoicePanel.java
2  *
3  * Authors:
4  * Stefanovic Nenad chupo@iis.ns.ac.yu
5  * Bojanic Sasa sasaboy@neobee.net
6  * Puskas Vladimir vpuskas@eunet.yu
7  * Pilipovic Goran zboniek@uns.ac.yu
8  *
9  */
10
11
12 package org.enhydra.jawe.xml.panels;
13
14 import org.enhydra.jawe.xml.*;
15
16 import java.util.*;
17 import javax.swing.*;
18 import java.awt.*;
19 import java.awt.event.*;
20
21 /**
22 * Creates a radio panel and a panel which type is determined by the
23 * choosen element from radio panel.
24 */
25 public class XMLRadioChoicePanel extends XMLPanel {
26
27    XMLPanel prevPanel=null;
28
29    public XMLRadioChoicePanel (XMLChoice myOwner) {
30       this(myOwner,"");
31    }
32
33    public XMLRadioChoicePanel (XMLChoice myOwner,String JavaDoc title) {
34       this(myOwner,title,XMLPanel.BOX_LAYOUT);
35    }
36
37    public XMLRadioChoicePanel (XMLChoice myOwner,String JavaDoc title,
38       int layout) {
39       this(myOwner,title,layout,true);
40    }
41
42    public XMLRadioChoicePanel (XMLChoice myOwner,String JavaDoc title,
43       int layout,boolean isVertical) {
44       this(myOwner,title,layout,isVertical,true);
45    }
46
47    public XMLRadioChoicePanel (XMLChoice myOwner,String JavaDoc title,
48       int layout,boolean isVertical,boolean isChoiceVertical) {
49       this(myOwner,title,layout,isVertical,isChoiceVertical,true);
50    }
51
52    public XMLRadioChoicePanel (XMLChoice myOwner,String JavaDoc title,int layout,
53       boolean isVertical,boolean isChoiceVertical,boolean hasBorder) {
54
55       super(myOwner,(myOwner instanceof XMLAttribute) ? 2:3,title,layout,isVertical,hasBorder);
56
57       int noOfPanels=2;
58       if (myOwner instanceof XMLAttribute) {
59          noOfPanels=1;
60       }
61
62       XMLRadioPanel pRadio=new XMLRadioPanel(myOwner,"",XMLPanel.BOX_LAYOUT,isChoiceVertical,false);
63       add(pRadio);
64
65       if (noOfPanels==2) {
66          final JScrollPane jsp=new JScrollPane();
67          jsp.setPreferredSize(new Dimension(600,400));
68          jsp.setAlignmentX(Component.LEFT_ALIGNMENT);
69          jsp.setAlignmentY(Component.TOP_ALIGNMENT);
70          add(jsp);
71          ButtonGroup bg = pRadio.getButtonGroup();
72          Enumeration e=bg.getElements();
73          int i=0;
74          Object JavaDoc[] choices=myOwner.getChoices();
75          while (e.hasMoreElements()) {
76             final Object JavaDoc choosen=choices[i++];
77             JRadioButton jr=(JRadioButton)e.nextElement();
78             jr.addActionListener(new ActionListener() {
79                public void actionPerformed(ActionEvent ae) {
80                   if (prevPanel!=null) {
81                      prevPanel.setElements();
82                      //((XMLElementDialog)prevPanel.getDialog()).notifyListeners(prevPanel.getOwner());
83 }
84                   if (choosen!=null) {
85                      prevPanel=((XMLElement)choosen).getPanel();
86                      jsp.setViewportView(prevPanel);
87                   }
88                }
89             });
90             if (choosen==myOwner.getChoosen()) {
91                jsp.setViewportView(((XMLElement)choosen).getPanel());
92                jr.setSelected(true);
93             }
94          }
95       }
96
97       if (layout==XMLPanel.BOX_LAYOUT) {
98          if (isVertical) {
99             add(Box.createVerticalGlue());
100          }
101          else {
102             add(Box.createHorizontalGlue());
103          }
104       }
105
106    }
107
108    public boolean checkRequired () {
109       // check Radio panel
110 boolean isOK=((XMLPanel)getComponent(0)).checkRequired();
111       // check implementation panel
112 if (!(getOwner() instanceof XMLAttribute)) {
113          JScrollPane jsp=(JScrollPane)getComponent(1);
114          JViewport jvp=(JViewport)jsp.getComponent(0);
115          isOK=isOK && ((XMLPanel)jvp.getComponent(0)).checkRequired();
116       }
117       return isOK;
118    }
119
120    public void setElements () {
121       // setting Radio panel
122 ((XMLPanel)getComponent(0)).setElements();
123       // setting implementation panel
124 if (!(getOwner() instanceof XMLAttribute)) {
125          JScrollPane jsp=(JScrollPane)getComponent(1);
126          JViewport jvp=(JViewport)jsp.getComponent(0);
127          ((XMLPanel)jvp.getComponent(0)).setElements();
128       }
129
130    }
131
132 }
133
134 /* End of DTDRadioChoicePanel.java */
135
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