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1
11 package org.eclipse.debug.internal.ui.views.memory.renderings;
12
13 import java.math.BigInteger  ;
14
15 import org.eclipse.debug.internal.ui.DebugUIMessages;
16 import org.eclipse.debug.internal.ui.DebugUIPlugin;
17 import org.eclipse.jface.dialogs.IDialogConstants;
18 import org.eclipse.swt.SWT;
19 import org.eclipse.swt.layout.GridData;
20 import org.eclipse.swt.layout.GridLayout;
21 import org.eclipse.swt.widgets.Button;
22 import org.eclipse.swt.widgets.Combo;
23 import org.eclipse.swt.widgets.Composite;
24 import org.eclipse.swt.widgets.Control;
25 import org.eclipse.swt.widgets.Text;
26 import org.eclipse.ui.PlatformUI;
27
28 public class GoToAddressComposite {
29
30 private Text fExpression;
31 private Button fOKButton;
32 private Button fCancelButton;
33 private Composite fComposite;
34 private Combo fGoToCombo;
35 private Button fHexButton;
36
37
41 public Control createControl(Composite parent)
42 {
43 fComposite = new Composite(parent, SWT.NONE);
44 PlatformUI.getWorkbench().getHelpSystem().setHelp(fComposite, DebugUIPlugin.getUniqueIdentifier() + ".GoToAddressComposite_context"); GridLayout layout = new GridLayout();
46 layout.numColumns = 6;
47 layout.makeColumnsEqualWidth = false;
48 layout.marginHeight = 0;
49 layout.marginLeft = 0;
50 fComposite.setLayout(layout);
51
52 fGoToCombo = new Combo(fComposite, SWT.READ_ONLY);
53 fGoToCombo.add(DebugUIMessages.GoToAddressComposite_0);
54 fGoToCombo.add(DebugUIMessages.GoToAddressComposite_4);
55 fGoToCombo.add(DebugUIMessages.GoToAddressComposite_5);
56 fGoToCombo.select(0);
57
58 fExpression = new Text(fComposite, SWT.SINGLE | SWT.BORDER);
59 fExpression.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
60
61 fHexButton = new Button(fComposite, SWT.CHECK);
62 fHexButton.setText(DebugUIMessages.GoToAddressComposite_6);
63 fHexButton.setSelection(true);
64
65 fOKButton = new Button(fComposite, SWT.NONE);
66 fOKButton.setText(DebugUIMessages.GoToAddressComposite_1);
67
68 fCancelButton = new Button(fComposite, SWT.NONE);
69 fCancelButton.setText(DebugUIMessages.GoToAddressComposite_2);
70
71 return fComposite;
72 }
73
74 public int getHeight()
75 {
76 int height = fComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
77 return height;
78 }
79
80 public Button getButton(int id)
81 {
82 if (id == IDialogConstants.OK_ID)
83 return fOKButton;
84 else if (id == IDialogConstants.CANCEL_ID)
85 return fCancelButton;
86 return null;
87 }
88
89 public String getExpressionText()
90 {
91 return fExpression.getText();
92 }
93
94 public Text getExpressionWidget()
95 {
96 return fExpression;
97 }
98
99 public boolean isGoToAddress()
100 {
101 return fGoToCombo.getSelectionIndex() == 0;
102 }
103
104 public boolean isOffset()
105 {
106 return fGoToCombo.getSelectionIndex() == 1;
107 }
108
109 public boolean isJump()
110 {
111 return fGoToCombo.getSelectionIndex() == 2;
112 }
113
114 public boolean isHex()
115 {
116 return fHexButton.getSelection();
117 }
118
119 public BigInteger getGoToAddress(BigInteger baseAddress, BigInteger selectedAddress) throws NumberFormatException
120 {
121 boolean add = true;
122 String expression = getExpressionText();
123 boolean hex = isHex();
124 int radix = hex?16:10;
125
126 expression = expression.trim();
127
128 if (isGoToAddress())
129 {
130 expression = expression.toUpperCase();
131 if (expression.startsWith("0X")) {
133 expression = expression.substring(2);
134 radix = 16;
135 }
136
137 return new BigInteger (expression, radix);
138 }
139
140 if (expression.startsWith("+")) {
142 expression = expression.substring(1);
143 }
144 else if (expression.startsWith("-")) {
146 expression = expression.substring(1);
147 add = false;
148 }
149
150 expression = expression.toUpperCase();
151 if (expression.startsWith("0X")) {
153 expression = expression.substring(2);
154 radix = 16;
155 }
156
157 BigInteger gotoAddress = new BigInteger (expression, radix);
158
159 BigInteger address = baseAddress;
160 if (isJump())
161 address = selectedAddress;
162
163 if (address == null)
164 throw new NumberFormatException (DebugUIMessages.GoToAddressComposite_7);
165
166 if (add)
167 gotoAddress = address.add(gotoAddress);
168 else
169 gotoAddress = address.subtract(gotoAddress);
170
171 return gotoAddress;
172 }
173
174 }
175 |
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