| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui.actions; |
| |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jdt.debug.core.IJavaBreakpoint; |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.IInputValidator; |
| import org.eclipse.jface.dialogs.InputDialog; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| |
| public class BreakpointHitCountAction extends ObjectActionDelegate { |
| |
| private static final String INITIAL_VALUE= "1"; //$NON-NLS-1$ |
| |
| /** |
| * A dialog that sets the focus to the text area. |
| */ |
| class HitCountDialog extends InputDialog { |
| |
| private boolean fHitCountEnabled; |
| |
| protected HitCountDialog(Shell parentShell, |
| String dialogTitle, |
| String dialogMessage, |
| String initialValue, |
| IInputValidator validator) { |
| super(parentShell, dialogTitle, dialogMessage, initialValue, validator); |
| } |
| |
| |
| /** |
| * @see Dialog#createDialogArea(Composite) |
| */ |
| protected Control createDialogArea(Composite parent) { |
| Composite area= (Composite)super.createDialogArea(parent); |
| |
| final Button checkbox = new Button(area, SWT.CHECK); |
| GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL); |
| data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH); |
| checkbox.setLayoutData(data); |
| checkbox.setFont(parent.getFont()); |
| checkbox.setText(ActionMessages.BreakpointHitCountAction_Enable_Hit_Count_1); |
| checkbox.setSelection(true); |
| fHitCountEnabled = true; |
| checkbox.addSelectionListener(new SelectionListener() { |
| public void widgetSelected(SelectionEvent e) { |
| fHitCountEnabled = checkbox.getSelection(); |
| getText().setEnabled(fHitCountEnabled); |
| if (fHitCountEnabled) { |
| validateInput(); |
| } else { |
| setErrorMessage(null); |
| } |
| } |
| |
| public void widgetDefaultSelected(SelectionEvent e) { |
| } |
| }); |
| |
| return area; |
| } |
| |
| protected boolean isHitCountEnabled() { |
| return fHitCountEnabled; |
| } |
| } |
| |
| |
| /** |
| * @see IActionDelegate#run(IAction) |
| */ |
| public void run(IAction action) { |
| IStructuredSelection selection= getCurrentSelection(); |
| if (selection == null) { |
| return; |
| } |
| Iterator itr= selection.iterator(); |
| if (!itr.hasNext()) { |
| return; |
| } |
| |
| while (itr.hasNext()) { |
| IJavaBreakpoint breakpoint= (IJavaBreakpoint)itr.next(); |
| try { |
| int oldHitCount= breakpoint.getHitCount(); |
| int newHitCount= hitCountDialog(breakpoint); |
| if (newHitCount != -1) { |
| if (oldHitCount == newHitCount && newHitCount == 0) { |
| return; |
| } |
| breakpoint.setHitCount(newHitCount); |
| } |
| } catch (CoreException ce) { |
| JDIDebugUIPlugin.statusDialog(ce.getStatus()); |
| } |
| } |
| } |
| |
| protected int hitCountDialog(IJavaBreakpoint breakpoint) { |
| String title= ActionMessages.BreakpointHitCountAction_Set_Breakpoint_Hit_Count_2; |
| String message= ActionMessages.BreakpointHitCountAction__Enter_the_new_hit_count_for_the_breakpoint__3; |
| IInputValidator validator= new IInputValidator() { |
| int hitCount= -1; |
| public String isValid(String value) { |
| try { |
| hitCount= Integer.valueOf(value.trim()).intValue(); |
| } catch (NumberFormatException nfe) { |
| hitCount= -1; |
| } |
| if (hitCount < 1) { |
| return ActionMessages.BreakpointHitCountAction_Value_must_be_positive_integer; |
| } |
| //no error |
| return null; |
| } |
| }; |
| |
| int currentHitCount= 0; |
| try { |
| currentHitCount = breakpoint.getHitCount(); |
| } catch (CoreException e) { |
| JDIDebugUIPlugin.log(e); |
| } |
| String initialValue; |
| if (currentHitCount > 0) { |
| initialValue= Integer.toString(currentHitCount); |
| } else { |
| initialValue= INITIAL_VALUE; |
| } |
| Shell activeShell= JDIDebugUIPlugin.getActiveWorkbenchShell(); |
| HitCountDialog dialog= new HitCountDialog(activeShell, title, message, initialValue, validator); |
| if (dialog.open() != Window.OK) { |
| return -1; |
| } |
| if (dialog.isHitCountEnabled()) { |
| return Integer.parseInt(dialog.getValue().trim()); |
| } |
| return 0; |
| } |
| } |