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1
11 package org.eclipse.ui.internal.forms.widgets;
12
13 import java.util.Hashtable  ;
14
15 import org.eclipse.swt.SWT;
16 import org.eclipse.swt.graphics.GC;
17 import org.eclipse.swt.graphics.Point;
18 import org.eclipse.swt.widgets.Canvas;
19 import org.eclipse.swt.widgets.Composite;
20 import org.eclipse.swt.widgets.Control;
21
22 public class ControlSegment extends ObjectSegment implements IFocusSelectable {
23 private boolean fill;
24 private int width = SWT.DEFAULT;
25 private int height = SWT.DEFAULT;
26
27 public ControlSegment() {
28 }
29
30 public void setFill(boolean fill) {
31 this.fill = fill;
32 }
33
34 public void setWidth(int width) {
35 this.width = width;
36 }
37
38 public void setHeight(int height) {
39 this.height = height;
40 }
41
42 public Control getControl(Hashtable resourceTable) {
43 Object obj = resourceTable.get(getObjectId());
44 if (obj instanceof Control) {
45 Control c = (Control)obj;
46 if (!c.isDisposed())
47 return c;
48 }
49 return null;
50 }
51
52 protected Point getObjectSize(Hashtable resourceTable, int wHint) {
53 Control control = getControl(resourceTable);
54 if (control==null)
55 return new Point(0,0);
56 int realWhint = FormUtil.getWidthHint(wHint, control);
57 Point size = control.computeSize(realWhint, SWT.DEFAULT);
58 if (realWhint!=SWT.DEFAULT && fill)
59 size.x = Math.max(size.x, realWhint);
60 if (width !=SWT.DEFAULT)
61 size.x = width;
62 if (height != SWT.DEFAULT)
63 size.y = height;
64 return size;
65 }
66
67 public void layout(GC gc, int width, Locator loc, Hashtable resourceTable,
68 boolean selected) {
69 super.layout(gc, width, loc, resourceTable, selected);
70 Control control = getControl(resourceTable);
71 if (control!=null)
72 control.setBounds(getBounds());
73 }
74
75 public boolean setFocus(Hashtable resourceTable, boolean next) {
76 Control c = getControl(resourceTable);
77 if (c!=null) {
78 return setFocus(c, next);
79 }
80 return false;
81 }
82
83 private boolean setFocus(Control c, boolean direction) {
84 if (c instanceof Composite) {
85 Composite comp = (Composite)c;
86 Control [] tabList = comp.getTabList();
87 if (direction) {
88 for (int i=0; i<tabList.length; i++) {
89 if (setFocus(tabList[i], direction))
90 return true;
91 }
92 }
93 else {
94 for (int i=tabList.length-1; i>=0; i--) {
95 if (setFocus(tabList[i], direction))
96 return true;
97 }
98 }
99 if (!(c instanceof Canvas))
100 return false;
101 }
102 return c.setFocus();
103 }
104
105 public boolean isFocusSelectable(Hashtable resourceTable) {
106 Control c = getControl(resourceTable);
107 if (c!=null)
108 return true;
109 return false;
110 }
111 }
112 |
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