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1
11 package org.eclipse.jdt.internal.debug.ui.actions;
12
13
14 import java.util.Iterator  ;
15
16 import org.eclipse.core.runtime.CoreException;
17 import org.eclipse.jdt.debug.core.IJavaBreakpoint;
18 import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
19 import org.eclipse.jface.action.IAction;
20 import org.eclipse.jface.dialogs.IDialogConstants;
21 import org.eclipse.jface.dialogs.IInputValidator;
22 import org.eclipse.jface.dialogs.InputDialog;
23 import org.eclipse.jface.viewers.IStructuredSelection;
24 import org.eclipse.jface.window.Window;
25 import org.eclipse.swt.SWT;
26 import org.eclipse.swt.events.SelectionEvent;
27 import org.eclipse.swt.events.SelectionListener;
28 import org.eclipse.swt.layout.GridData;
29 import org.eclipse.swt.widgets.Button;
30 import org.eclipse.swt.widgets.Composite;
31 import org.eclipse.swt.widgets.Control;
32 import org.eclipse.swt.widgets.Shell;
33
34 public class BreakpointHitCountAction extends ObjectActionDelegate {
35
36 private static final String INITIAL_VALUE= "1";
38
41 class HitCountDialog extends InputDialog {
42
43 private boolean fHitCountEnabled;
44
45 protected HitCountDialog(Shell parentShell,
46 String dialogTitle,
47 String dialogMessage,
48 String initialValue,
49 IInputValidator validator) {
50 super(parentShell, dialogTitle, dialogMessage, initialValue, validator);
51 }
52
53
54
57 protected Control createDialogArea(Composite parent) {
58 Composite area= (Composite)super.createDialogArea(parent);
59
60 final Button checkbox = new Button(area, SWT.CHECK);
61 GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL);
62 data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
63 checkbox.setLayoutData(data);
64 checkbox.setFont(parent.getFont());
65 checkbox.setText(ActionMessages.BreakpointHitCountAction_Enable_Hit_Count_1);
66 checkbox.setSelection(true);
67 fHitCountEnabled = true;
68 checkbox.addSelectionListener(new SelectionListener() {
69 public void widgetSelected(SelectionEvent e) {
70 fHitCountEnabled = checkbox.getSelection();
71 getText().setEnabled(fHitCountEnabled);
72 if (fHitCountEnabled) {
73 validateInput();
74 } else {
75 setErrorMessage(null);
76 }
77 }
78
79 public void widgetDefaultSelected(SelectionEvent e) {
80 }
81 });
82
83 return area;
84 }
85
86 protected boolean isHitCountEnabled() {
87 return fHitCountEnabled;
88 }
89 }
90
91
92
95 public void run(IAction action) {
96 IStructuredSelection selection= getCurrentSelection();
97 if (selection == null) {
98 return;
99 }
100 Iterator itr= selection.iterator();
101 if (!itr.hasNext()) {
102 return;
103 }
104
105 while (itr.hasNext()) {
106 IJavaBreakpoint breakpoint= (IJavaBreakpoint)itr.next();
107 try {
108 int oldHitCount= breakpoint.getHitCount();
109 int newHitCount= hitCountDialog(breakpoint);
110 if (newHitCount != -1) {
111 if (oldHitCount == newHitCount && newHitCount == 0) {
112 return;
113 }
114 breakpoint.setHitCount(newHitCount);
115 }
116 } catch (CoreException ce) {
117 JDIDebugUIPlugin.statusDialog(ce.getStatus());
118 }
119 }
120 }
121
122 protected int hitCountDialog(IJavaBreakpoint breakpoint) {
123 String title= ActionMessages.BreakpointHitCountAction_Set_Breakpoint_Hit_Count_2;
124 String message= ActionMessages.BreakpointHitCountAction__Enter_the_new_hit_count_for_the_breakpoint__3;
125 IInputValidator validator= new IInputValidator() {
126 int hitCount= -1;
127 public String isValid(String value) {
128 try {
129 hitCount= Integer.valueOf(value.trim()).intValue();
130 } catch (NumberFormatException nfe) {
131 hitCount= -1;
132 }
133 if (hitCount < 1) {
134 return ActionMessages.BreakpointHitCountAction_Value_must_be_positive_integer;
135 }
136 return null;
138 }
139 };
140
141 int currentHitCount= 0;
142 try {
143 currentHitCount = breakpoint.getHitCount();
144 } catch (CoreException e) {
145 JDIDebugUIPlugin.log(e);
146 }
147 String initialValue;
148 if (currentHitCount > 0) {
149 initialValue= Integer.toString(currentHitCount);
150 } else {
151 initialValue= INITIAL_VALUE;
152 }
153 Shell activeShell= JDIDebugUIPlugin.getActiveWorkbenchShell();
154 HitCountDialog dialog= new HitCountDialog(activeShell, title, message, initialValue, validator);
155 if (dialog.open() != Window.OK) {
156 return -1;
157 }
158 if (dialog.isHitCountEnabled()) {
159 return Integer.parseInt(dialog.getValue().trim());
160 }
161 return 0;
162 }
163 }
164 |
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