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


1 /* XMLGroupPanel.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
20 /**
21 * Creates titled group panel with vertical or horizontal BoxLayout,
22 * that consists of panels of given elements.
23 */
24 public class XMLGroupPanel extends XMLPanel{
25
26    public XMLGroupPanel (XMLElement myOwner,Object JavaDoc[] elements) {
27       this(myOwner,elements,"");
28    }
29
30    public XMLGroupPanel (XMLElement myOwner,Object JavaDoc[] elements,String JavaDoc title) {
31       this(myOwner,elements,title,XMLPanel.BOX_LAYOUT);
32    }
33
34    public XMLGroupPanel (XMLElement myOwner,Object JavaDoc[] elements,String JavaDoc title,
35       int layout) {
36       this(myOwner,elements,title,layout,true);
37    }
38
39    public XMLGroupPanel (XMLElement myOwner,Object JavaDoc[] elements,String JavaDoc title,
40       int layout,boolean isVertical) {
41       this(myOwner,elements,title,layout,isVertical,true);
42    }
43
44    public XMLGroupPanel (XMLElement myOwner,Object JavaDoc[] elements,String JavaDoc title,
45       int layout,boolean isVertical,boolean hasBorder) {
46
47       super(myOwner,elements.length+1,title,layout,isVertical,hasBorder);
48
49       XMLPanel dtdp=null;
50       for (int i=0; i<elements.length; i++) {
51          if (elements[i] instanceof XMLElement) {
52             dtdp=((XMLElement)elements[i]).getPanel();
53          } else if (elements[i] instanceof XMLPanel) {
54             dtdp=(XMLPanel)elements[i];
55          }
56          dtdp.setEnabled(!myOwner.isReadOnly());
57          add(dtdp);
58       }
59
60       if (isVertical) {
61          add(Box.createVerticalGlue());
62       }
63       else {
64          add(Box.createHorizontalGlue());
65       }
66
67    }
68
69    public XMLPanel getPanel (int no) {
70       if (no>=getComponentCount()-1) {
71          return null;
72       }
73       return (XMLPanel)getComponent(no);
74    }
75
76    public boolean checkRequired () {
77       if (isEmpty() && !getOwner().isRequired()) return true;
78       boolean isOK=true;
79       for (int i=0; i<getComponentCount();i++) {
80          Component c=getComponent(i);
81          if (c instanceof XMLPanel) {
82             isOK=isOK && ((XMLPanel)c).checkRequired();
83          }
84       }
85       return isOK;
86    }
87
88    public boolean isEmpty () {
89       boolean isEmpty=true;
90       for (int i=0; i<getComponentCount();i++) {
91          Component c=getComponent(i);
92          if (c instanceof XMLPanel) {
93             isEmpty=isEmpty && ((XMLPanel)c).isEmpty();
94          }
95       }
96       return isEmpty;
97    }
98
99    public void setElements () {
100       boolean isOK=true;
101       for (int i=0; i<getComponentCount();i++) {
102          Component c=getComponent(i);
103          if (c instanceof XMLPanel) {
104 // System.out.println("Comp no "+(i+1)+" = "+getComponent(i));
105 ((XMLPanel)c).setElements();
106          }
107       }
108    }
109
110 }
111
112 /* End of DTDGroupPanel.java */
113
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