|
1
11 package org.eclipse.jdt.internal.debug.ui;
12
13 import java.util.HashMap  ;
14 import java.util.Iterator ;
15 import java.util.Map ;
16
17 import org.eclipse.jdt.internal.debug.core.HeapWalkingManager;
18 import org.eclipse.jface.preference.PreferencePage;
19 import org.eclipse.swt.events.ModifyEvent;
20 import org.eclipse.swt.events.ModifyListener;
21 import org.eclipse.swt.layout.GridData;
22 import org.eclipse.swt.widgets.Button;
23 import org.eclipse.swt.widgets.Composite;
24 import org.eclipse.swt.widgets.Control;
25 import org.eclipse.swt.widgets.Group;
26 import org.eclipse.swt.widgets.Text;
27 import org.eclipse.ui.IWorkbench;
28 import org.eclipse.ui.IWorkbenchPreferencePage;
29 import org.eclipse.ui.PlatformUI;
30
31
38 public class HeapWalkingPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
39
40 private Button fShowReferencesInVarView;
41 private Text fAllReferencesMaxCount;
42 private Text fAllInstancesMaxCount;
43 private Map fErrorMessages;
44
45
48 public void init(IWorkbench workbench) {
49 fErrorMessages = new HashMap ();
50 }
51
52
55 public void createControl(Composite parent) {
56 super.createControl(parent);
57 PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaDebugHelpContextIds.JAVA_HEAPWALKING_PREFERENCE_PAGE);
59 }
60
61
64 protected Control createContents(Composite parent) {
65
66 Composite comp = SWTFactory.createComposite(parent, parent.getFont(), 1, 1, GridData.FILL_BOTH);
67
68 SWTFactory.createWrapLabel(comp, DebugUIMessages.HeapWalkingPreferencePage_0, 1, 300);
69 SWTFactory.createVerticalSpacer(comp, 2);
70
71 fShowReferencesInVarView = SWTFactory.createCheckButton(comp, DebugUIMessages.HeapWalkingPreferencePage_5, null, HeapWalkingManager.getDefault().isShowReferenceInVarView(), 1);
72 SWTFactory.createVerticalSpacer(comp, 2);
73
74 Group group = SWTFactory.createGroup(comp, DebugUIMessages.HeapWalkingPreferencePage_3, 2, 1, GridData.FILL_HORIZONTAL);
75 SWTFactory.createLabel(group, DebugUIMessages.HeapWalkingPreferencePage_4, 2);
76
77 SWTFactory.createLabel(group, DebugUIMessages.HeapWalkingPreferencePage_1, 1);
78 fAllInstancesMaxCount = SWTFactory.createSingleText(group, 1);
79 fAllInstancesMaxCount.addModifyListener(new ModifyListener(){
80 public void modifyText(ModifyEvent e) {
81 try{
82 int result = Integer.parseInt(fAllInstancesMaxCount.getText());
83 if (result < 0) throw new NumberFormatException ();
84 clearErrorMessage(fAllInstancesMaxCount);
85 } catch (NumberFormatException exception){
86 setErrorMessage(fAllInstancesMaxCount, DebugUIMessages.HeapWalkingPreferencePage_6);
87 }
88 }
89 });
90 fAllInstancesMaxCount.setText("" + HeapWalkingManager.getDefault().getAllInstancesMaxCount());
92 SWTFactory.createLabel(group, DebugUIMessages.HeapWalkingPreferencePage_2, 1);
93 fAllReferencesMaxCount = SWTFactory.createSingleText(group, 1);
94 fAllReferencesMaxCount.addModifyListener(new ModifyListener(){
95 public void modifyText(ModifyEvent e) {
96 try{
97 int result = Integer.parseInt(fAllReferencesMaxCount.getText());
98 if (result < 0) throw new NumberFormatException ();
99 clearErrorMessage(fAllReferencesMaxCount);
100 } catch (NumberFormatException exception){
101 setErrorMessage(fAllReferencesMaxCount, DebugUIMessages.HeapWalkingPreferencePage_6);
102 }
103 }
104 });
105 fAllReferencesMaxCount.setText("" + HeapWalkingManager.getDefault().getAllReferencesMaxCount());
107 return comp;
108 }
109
110
113 public boolean performOk() {
114 boolean result = super.performOk();
115 if (result){
116 HeapWalkingManager.getDefault().setShowReferenceInVarView(fShowReferencesInVarView.getSelection());
117 try{
118 int maxReferences = Integer.parseInt(fAllReferencesMaxCount.getText());
119 HeapWalkingManager.getDefault().setAllReferencesMaxCount(maxReferences);
120 } catch (NumberFormatException exception){
121 setErrorMessage(fAllReferencesMaxCount,DebugUIMessages.HeapWalkingPreferencePage_6);
122 return false;
123 }
124 try{
125 int maxReferences = Integer.parseInt(fAllInstancesMaxCount.getText());
126 HeapWalkingManager.getDefault().setAllInstancesMaxCount(maxReferences);
127 } catch (NumberFormatException exception){
128 setErrorMessage(fAllInstancesMaxCount,DebugUIMessages.HeapWalkingPreferencePage_6);
129 result = false;
130 }
131 HeapWalkingManager.getDefault().setShowReferenceInVarView(fShowReferencesInVarView.getSelection());
132 }
133 return result;
134 }
135
136
144 private void setErrorMessage(Object cause, String message){
145 fErrorMessages.put(cause,message);
146 setErrorMessage(message);
147 setValid(false);
148 }
149
150
157 private void clearErrorMessage(Object cause){
158 fErrorMessages.remove(cause);
159 Iterator iter = fErrorMessages.values().iterator();
160 if (iter.hasNext()){
161 setErrorMessage((String )iter.next());
162 } else {
163 setErrorMessage(null);
164 setValid(true);
165 }
166 }
167
168
171 protected void performDefaults() {
172 HeapWalkingManager.getDefault().resetToDefaultSettings();
173 fAllReferencesMaxCount.setText(Integer.toString(HeapWalkingManager.getDefault().getAllReferencesMaxCount()));
174 fAllInstancesMaxCount.setText(Integer.toString(HeapWalkingManager.getDefault().getAllReferencesMaxCount()));
175 fShowReferencesInVarView.setSelection(HeapWalkingManager.getDefault().isShowReferenceInVarView());
176 }
177
178
181 public void dispose() {
182 super.dispose();
183 fErrorMessages.clear();
184 }
185
186 }
187 |
Popular Tags |
Java API By Example, From Geeks To Geeks.