| /******************************************************************************* |
| * Copyright (c) 2006, 2007 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; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.jdt.internal.debug.core.HeapWalkingManager; |
| import org.eclipse.jface.preference.PreferencePage; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| 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.Group; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchPreferencePage; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Provides a page for changing the heap walking options. Interacts |
| * with the HeapWalkingManager to get/set options. |
| * |
| * @see HeapWalkingManager |
| * @since 3.3 |
| */ |
| public class HeapWalkingPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { |
| |
| private Button fShowReferencesInVarView; |
| private Text fAllReferencesMaxCount; |
| private Text fAllInstancesMaxCount; |
| private Map fErrorMessages; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) |
| */ |
| public void init(IWorkbench workbench) { |
| fErrorMessages = new HashMap(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.preference.PreferencePage#createControl(org.eclipse.swt.widgets.Composite) |
| */ |
| public void createControl(Composite parent) { |
| super.createControl(parent); |
| // TODO: Help must be updated |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaDebugHelpContextIds.JAVA_HEAPWALKING_PREFERENCE_PAGE); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite) |
| */ |
| protected Control createContents(Composite parent) { |
| |
| Composite comp = SWTFactory.createComposite(parent, parent.getFont(), 1, 1, GridData.FILL_BOTH); |
| |
| SWTFactory.createWrapLabel(comp, DebugUIMessages.HeapWalkingPreferencePage_0, 1, 300); |
| SWTFactory.createVerticalSpacer(comp, 2); |
| |
| fShowReferencesInVarView = SWTFactory.createCheckButton(comp, DebugUIMessages.HeapWalkingPreferencePage_5, null, HeapWalkingManager.getDefault().isShowReferenceInVarView(), 1); |
| SWTFactory.createVerticalSpacer(comp, 2); |
| |
| Group group = SWTFactory.createGroup(comp, DebugUIMessages.HeapWalkingPreferencePage_3, 2, 1, GridData.FILL_HORIZONTAL); |
| SWTFactory.createLabel(group, DebugUIMessages.HeapWalkingPreferencePage_4, 2); |
| |
| SWTFactory.createLabel(group, DebugUIMessages.HeapWalkingPreferencePage_1, 1); |
| fAllInstancesMaxCount = SWTFactory.createSingleText(group, 1); |
| fAllInstancesMaxCount.addModifyListener(new ModifyListener(){ |
| public void modifyText(ModifyEvent e) { |
| try{ |
| int result = Integer.parseInt(fAllInstancesMaxCount.getText()); |
| if (result < 0) throw new NumberFormatException(); |
| clearErrorMessage(fAllInstancesMaxCount); |
| } catch (NumberFormatException exception){ |
| setErrorMessage(fAllInstancesMaxCount, DebugUIMessages.HeapWalkingPreferencePage_6); |
| } |
| } |
| }); |
| fAllInstancesMaxCount.setText("" + HeapWalkingManager.getDefault().getAllInstancesMaxCount()); //$NON-NLS-1$ |
| |
| SWTFactory.createLabel(group, DebugUIMessages.HeapWalkingPreferencePage_2, 1); |
| fAllReferencesMaxCount = SWTFactory.createSingleText(group, 1); |
| fAllReferencesMaxCount.addModifyListener(new ModifyListener(){ |
| public void modifyText(ModifyEvent e) { |
| try{ |
| int result = Integer.parseInt(fAllReferencesMaxCount.getText()); |
| if (result < 0) throw new NumberFormatException(); |
| clearErrorMessage(fAllReferencesMaxCount); |
| } catch (NumberFormatException exception){ |
| setErrorMessage(fAllReferencesMaxCount, DebugUIMessages.HeapWalkingPreferencePage_6); |
| } |
| } |
| }); |
| fAllReferencesMaxCount.setText("" + HeapWalkingManager.getDefault().getAllReferencesMaxCount()); //$NON-NLS-1$ |
| |
| return comp; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.preference.PreferencePage#performOk() |
| */ |
| public boolean performOk() { |
| boolean result = super.performOk(); |
| if (result){ |
| HeapWalkingManager.getDefault().setShowReferenceInVarView(fShowReferencesInVarView.getSelection()); |
| try{ |
| int maxReferences = Integer.parseInt(fAllReferencesMaxCount.getText()); |
| HeapWalkingManager.getDefault().setAllReferencesMaxCount(maxReferences); |
| } catch (NumberFormatException exception){ |
| setErrorMessage(fAllReferencesMaxCount,DebugUIMessages.HeapWalkingPreferencePage_6); |
| return false; |
| } |
| try{ |
| int maxReferences = Integer.parseInt(fAllInstancesMaxCount.getText()); |
| HeapWalkingManager.getDefault().setAllInstancesMaxCount(maxReferences); |
| } catch (NumberFormatException exception){ |
| setErrorMessage(fAllInstancesMaxCount,DebugUIMessages.HeapWalkingPreferencePage_6); |
| result = false; |
| } |
| HeapWalkingManager.getDefault().setShowReferenceInVarView(fShowReferencesInVarView.getSelection()); |
| } |
| return result; |
| } |
| |
| /** |
| * Sets an error message associated with a specific field. Allows several |
| * fields to have their own error message. The dialog's error message will |
| * be set to the given message. |
| * |
| * @param cause The field that the message is associated with |
| * @param message The error message to display to the user |
| */ |
| private void setErrorMessage(Object cause, String message){ |
| fErrorMessages.put(cause,message); |
| setErrorMessage(message); |
| setValid(false); |
| } |
| |
| /** |
| * Clears the error message associated with the given field. If there are other |
| * error messages, one will be displayed to the user. If there are no more error |
| * messages, the page becomes valid. |
| * |
| * @param cause The field associated with a current error message. |
| */ |
| private void clearErrorMessage(Object cause){ |
| fErrorMessages.remove(cause); |
| Iterator iter = fErrorMessages.values().iterator(); |
| if (iter.hasNext()){ |
| setErrorMessage((String)iter.next()); |
| } else { |
| setErrorMessage(null); |
| setValid(true); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.preference.PreferencePage#performDefaults() |
| */ |
| protected void performDefaults() { |
| HeapWalkingManager.getDefault().resetToDefaultSettings(); |
| fAllReferencesMaxCount.setText(Integer.toString(HeapWalkingManager.getDefault().getAllReferencesMaxCount())); |
| fAllInstancesMaxCount.setText(Integer.toString(HeapWalkingManager.getDefault().getAllReferencesMaxCount())); |
| fShowReferencesInVarView.setSelection(HeapWalkingManager.getDefault().isShowReferenceInVarView()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.DialogPage#dispose() |
| */ |
| public void dispose() { |
| super.dispose(); |
| fErrorMessages.clear(); |
| } |
| |
| } |