org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/JavaDebugPreferencePage.java - jdt/eclipse.jdt.debug - Git at Google

 package org.eclipse.jdt.internal.debug.ui;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */

 import java.text.MessageFormat;

 import org.eclipse.jdt.debug.core.JDIDebugModel;
 import org.eclipse.jdt.launching.JavaRuntime;
 import org.eclipse.jface.preference.FieldEditor;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.preference.IntegerFieldEditor;
 import org.eclipse.jface.preference.PreferencePage;
 import org.eclipse.jface.preference.StringFieldEditor;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 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.Label;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPreferencePage;
 import org.eclipse.ui.help.WorkbenchHelp;

 /**
  * Preference page for debug preferences that apply specifically to
  * Java Debugging.
  */
 public class JavaDebugPreferencePage extends PreferencePage implements IWorkbenchPreferencePage, IPropertyChangeListener {

 	/**
 	 * This class exists to provide visibility to the
 	 * <code>refreshValidState</code> method and to perform more intelligent
 	 * clearing of the error message.
 	 */
 	protected class JavaDebugIntegerFieldEditor extends IntegerFieldEditor {

 		public JavaDebugIntegerFieldEditor(String name, String labelText, Composite parent) {
 			super(name, labelText, parent);
 		}

 		/**
 		 * @see org.eclipse.jface.preference.FieldEditor#refreshValidState()
 		 */
 		protected void refreshValidState() {
 			super.refreshValidState();
 		}

 		/**
 		 * Clears the error message from the message line if the error
 		 * message is the error message from this field editor.
 		 */
 		protected void clearErrorMessage() {
 			if (canClearErrorMessage()) {
 				super.clearErrorMessage();
 			}
 		}
 	}

 	// Suspend preference widgets
 	private Button fSuspendButton;
 	private Button fSuspendOnCompilationErrors;
 	// Hot code replace preference widgets
 	private Button fAlertHCRButton;
 	private Button fAlertHCRNotSupportedButton;
 	private Button fAlertObsoleteButton;
 	private Button fPerformHCRWithCompilationErrors;
 	// Timeout preference widgets
 	private JavaDebugIntegerFieldEditor fTimeoutText;
 	private JavaDebugIntegerFieldEditor fConnectionTimeoutText;
 	// View settings
 	private Button fPackagesButton;

 	public JavaDebugPreferencePage() {
 		super();
 		setPreferenceStore(JDIDebugUIPlugin.getDefault().getPreferenceStore());
 		setDescription(DebugUIMessages.getString("JavaDebugPreferencePage.description")); //$NON-NLS-1$
 	}

 	/**
 	 * @see PreferencePage#createContents(Composite)
 	 */
 	protected Control createContents(Composite parent) {
 		WorkbenchHelp.setHelp(getControl(), IJavaDebugHelpContextIds.JAVA_DEBUG_PREFERENCE_PAGE);

 		Font font = parent.getFont();

 		//The main composite
 		Composite composite = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 1;
 		layout.marginHeight=0;
 		layout.marginWidth=0;
 		composite.setLayout(layout);
 		GridData data = new GridData();
 		data.verticalAlignment = GridData.FILL;
 		data.horizontalAlignment = GridData.FILL;
 		composite.setLayoutData(data);
 		composite.setFont(font);

 		Composite comp= createGroupComposite(composite, 1, DebugUIMessages.getString("JavaDebugPreferencePage.Suspend_Execution_1")); //$NON-NLS-1$
 		fSuspendButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Suspend_&execution_on_uncaught_exceptions_1")); //$NON-NLS-1$
 		fSuspendOnCompilationErrors= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Suspend_execution_on_co&mpilation_errors_1")); //$NON-NLS-1$

 		createSpacer(composite, 1);

 		comp= createGroupComposite(composite, 1, DebugUIMessages.getString("JavaDebugPreferencePage.Hot_Code_Replace_2")); //$NON-NLS-1$
 		fAlertHCRButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Alert_me_when_hot_code_replace_fails_1")); //$NON-NLS-1$
 		fAlertHCRNotSupportedButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Alert_me_when_hot_code_replace_is_not_supported_1")); //$NON-NLS-1$
 		fAlertObsoleteButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Alert_me_when_obsolete_methods_remain_1")); //$NON-NLS-1$
 		fPerformHCRWithCompilationErrors= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Replace_classfiles_containing_compilation_errors_1")); //$NON-NLS-1$

 		createSpacer(composite, 1);

 		comp = createGroupComposite(composite, 1, DebugUIMessages.getString("JavaDebugPreferencePage.Communication_1")); //$NON-NLS-1$
 		//Add in an intermediate composite to allow for spacing
 		Composite spacingComposite = new Composite(comp, SWT.NONE);
 		layout = new GridLayout();
 		spacingComposite.setLayout(layout);
 		data = new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL);
 		data.horizontalSpan = 2;
 		spacingComposite.setLayoutData(data);
 		spacingComposite.setFont(font);

 		IPreferenceStore store= JDIDebugUIPlugin.getDefault().getPreferenceStore();
 		int minValue;

 		fTimeoutText = new JavaDebugIntegerFieldEditor(JDIDebugModel.PREF_REQUEST_TIMEOUT, DebugUIMessages.getString("JavaDebugPreferencePage.Debugger_&timeout__2"), spacingComposite); //$NON-NLS-1$
 		fTimeoutText.setPreferenceStore(store);
 		fTimeoutText.setPreferencePage(this);
 		fTimeoutText.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE);
 		minValue= store.getDefaultInt(JDIDebugModel.PREF_REQUEST_TIMEOUT);
 		fTimeoutText.setValidRange(minValue, Integer.MAX_VALUE);
 		fTimeoutText.setErrorMessage(MessageFormat.format(DebugUIMessages.getString("JavaDebugPreferencePage.Value_must_be_a_valid_integer_greater_than_{0}_ms_1"), new Object[] {new Integer(minValue)})); //$NON-NLS-1$
 		fTimeoutText.load();
 		fTimeoutText.setPropertyChangeListener(this);
 		fConnectionTimeoutText = new JavaDebugIntegerFieldEditor(JavaRuntime.PREF_CONNECT_TIMEOUT, DebugUIMessages.getString("JavaDebugPreferencePage.&Launch_timeout_(ms)__1"), spacingComposite); //$NON-NLS-1$
 		fConnectionTimeoutText.setPreferenceStore(store);
 		fConnectionTimeoutText.setPreferencePage(this);
 		fConnectionTimeoutText.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE);
 		minValue= store.getDefaultInt(JavaRuntime.PREF_CONNECT_TIMEOUT);
 		fConnectionTimeoutText.setValidRange(minValue, Integer.MAX_VALUE);
 		fConnectionTimeoutText.setErrorMessage(MessageFormat.format(DebugUIMessages.getString("JavaDebugPreferencePage.Value_must_be_a_valid_integer_greater_than_{0}_ms_1"), new Object[] {new Integer(minValue)})); //$NON-NLS-1$
 		fConnectionTimeoutText.load();
 		fConnectionTimeoutText.setPropertyChangeListener(this);
 		// cannot set preference store, as it is a core preference
 		createSpacer(composite, 1);
 		comp= createGroupComposite(composite, 1, DebugUIMessages.getString("JavaDebugPreferencePage.Opened_View_Default_Settings_1")); //$NON-NLS-1$
 		fPackagesButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Show_&qualified_names_2")); //$NON-NLS-1$

 		setValues();
 		return composite;
 	}

 	/**
 	 * @see IWorkbenchPreferencePage#init(IWorkbench)
 	 */
 	public void init(IWorkbench workbench) {
 	}

 	/**
 	 * @see IPreferencePage#performOk()
 	 * Also, notifies interested listeners
 	 */
 	public boolean performOk() {
 		storeValues();
 		JDIDebugUIPlugin.getDefault().savePluginPreferences();
 		JDIDebugModel.savePreferences();
 		JavaRuntime.savePreferences();
 		return true;
 	}

 	/**
 	 * Sets the default preferences.
 	 * @see PreferencePage#performDefaults()
 	 */
 	protected void performDefaults() {
 		setDefaultValues();
 		super.performDefaults();
 	}

 	private void setDefaultValues() {
 		IPreferenceStore store = getPreferenceStore();
 		fSuspendButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SUSPEND_ON_UNCAUGHT_EXCEPTIONS));
 		fSuspendOnCompilationErrors.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SUSPEND_ON_COMPILATION_ERRORS));
 		fAlertHCRButton.setSelection(store.getDefaultBoolean(IJDIPreferencesConstants.PREF_ALERT_HCR_FAILED));
 		fAlertHCRNotSupportedButton.setSelection(store.getDefaultBoolean(IJDIPreferencesConstants.PREF_ALERT_HCR_NOT_SUPPORTED));
 		fAlertObsoleteButton.setSelection(store.getDefaultBoolean(IJDIPreferencesConstants.PREF_ALERT_OBSOLETE_METHODS));
 		fPerformHCRWithCompilationErrors.setSelection(store.getDefaultBoolean(JDIDebugModel.PREF_HCR_WITH_COMPILATION_ERRORS));
 		fTimeoutText.setStringValue(new Integer(store.getDefaultInt(JDIDebugModel.PREF_REQUEST_TIMEOUT)).toString());
 		fConnectionTimeoutText.setStringValue(new Integer(store.getDefaultInt(JavaRuntime.PREF_CONNECT_TIMEOUT)).toString());
 		fPackagesButton.setSelection(store.getDefaultBoolean(IJDIPreferencesConstants.PREF_SHOW_QUALIFIED_NAMES));
 	}

 	/**
 	 * Creates a button with the given label and sets the default
 	 * configuration data.
 	 */
 	private Button createCheckButton(Composite parent, String label) {
 		Button button= new Button(parent, SWT.CHECK | SWT.LEFT);
 		button.setText(label);
 		// FieldEditor GridData
 		GridData data = new GridData();
 		button.setLayoutData(data);
 		button.setFont(parent.getFont());

 		return button;
 	}

 	/**
 	 * Creates composite group and sets the default layout data.
 	 *
 	 * @param parent  the parent of the new composite
 	 * @param numColumns  the number of columns for the new composite
 	 * @param labelText  the text label of the new composite
 	 * @return the newly-created composite
 	 */
 	private Composite createGroupComposite(Composite parent, int numColumns, String labelText) {
 		Group comp = new Group(parent, SWT.NONE);
 		//GridLayout
 		GridLayout layout = new GridLayout();
 		layout.numColumns = numColumns;
 		comp.setLayout(layout);
 		//GridData
 		GridData gd= new GridData();
 		gd.verticalAlignment = GridData.FILL;
 		gd.horizontalAlignment = GridData.FILL;
 		comp.setLayoutData(gd);
 		comp.setText(labelText);
 		comp.setFont(parent.getFont());
 		return comp;
 	}

 	/**
 	 * Set the values of the component widgets based on the
 	 * values in the preference store
 	 */
 	private void setValues() {
 		IPreferenceStore store = getPreferenceStore();

 		fSuspendButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SUSPEND_ON_UNCAUGHT_EXCEPTIONS));
 		fSuspendOnCompilationErrors.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SUSPEND_ON_COMPILATION_ERRORS));
 		fAlertHCRButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_ALERT_HCR_FAILED));
 		fAlertHCRNotSupportedButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_ALERT_HCR_NOT_SUPPORTED));
 		fAlertObsoleteButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_ALERT_OBSOLETE_METHODS));
 		fPerformHCRWithCompilationErrors.setSelection(JDIDebugModel.getPreferences().getBoolean(JDIDebugModel.PREF_HCR_WITH_COMPILATION_ERRORS));
 		fTimeoutText.setStringValue(new Integer(JDIDebugModel.getPreferences().getInt(JDIDebugModel.PREF_REQUEST_TIMEOUT)).toString());
 		fConnectionTimeoutText.setStringValue(new Integer(JavaRuntime.getPreferences().getInt(JavaRuntime.PREF_CONNECT_TIMEOUT)).toString());
 		fPackagesButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SHOW_QUALIFIED_NAMES));
 	}

 	/**
 	 * Store the preference values based on the state of the
 	 * component widgets
 	 */
 	private void storeValues() {
 		IPreferenceStore store = getPreferenceStore();
 		store.setValue(IJDIPreferencesConstants.PREF_SUSPEND_ON_UNCAUGHT_EXCEPTIONS, fSuspendButton.getSelection());
 		store.setValue(IJDIPreferencesConstants.PREF_SUSPEND_ON_COMPILATION_ERRORS, fSuspendOnCompilationErrors.getSelection());
 		store.setValue(IJDIPreferencesConstants.PREF_ALERT_HCR_FAILED, fAlertHCRButton.getSelection());
 		store.setValue(IJDIPreferencesConstants.PREF_ALERT_HCR_NOT_SUPPORTED, fAlertHCRNotSupportedButton.getSelection());
 		store.setValue(IJDIPreferencesConstants.PREF_ALERT_OBSOLETE_METHODS, fAlertObsoleteButton.getSelection());
 		JDIDebugModel.getPreferences().setValue(JDIDebugModel.PREF_HCR_WITH_COMPILATION_ERRORS, fPerformHCRWithCompilationErrors.getSelection());
 		JDIDebugModel.getPreferences().setValue(JDIDebugModel.PREF_REQUEST_TIMEOUT, fTimeoutText.getIntValue());
 		JavaRuntime.getPreferences().setValue(JavaRuntime.PREF_CONNECT_TIMEOUT, fConnectionTimeoutText.getIntValue());
 		store.setValue(IJDIPreferencesConstants.PREF_SHOW_QUALIFIED_NAMES, fPackagesButton.getSelection());
 	}

 	protected void createSpacer(Composite composite, int columnSpan) {
 		Label label = new Label(composite, SWT.NONE);
 		GridData gd = new GridData();
 		gd.horizontalSpan = columnSpan;
 		label.setLayoutData(gd);
 	}

 	/**
 	 * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
 	 */
 	public void propertyChange(PropertyChangeEvent event) {

 		if (event.getProperty().equals(FieldEditor.IS_VALID)) {
 			boolean newValue = ((Boolean) event.getNewValue()).booleanValue();
 			// If the new value is true then we must check all field editors.
 			// If it is false, then the page is invalid in any case.
 			if (newValue) {
 				if (fTimeoutText != null && event.getSource() != fTimeoutText) {
 					fTimeoutText.refreshValidState();
 				}
 				if (fConnectionTimeoutText != null && event.getSource() != fConnectionTimeoutText) {
 					fConnectionTimeoutText.refreshValidState();
 				}
 			}
 			setValid(fTimeoutText.isValid() && fConnectionTimeoutText.isValid());
 			getContainer().updateButtons();
 			updateApplyButton();
 		}
 	}

 	protected boolean canClearErrorMessage() {
 		if (fTimeoutText.isValid() && fConnectionTimeoutText.isValid()) {
 			return true;
 		}
 		return false;
 	}
 }
	package org.eclipse.jdt.internal.debug.ui;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/

	import java.text.MessageFormat;

	import org.eclipse.jdt.debug.core.JDIDebugModel;
	import org.eclipse.jdt.launching.JavaRuntime;
	import org.eclipse.jface.preference.FieldEditor;
	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.jface.preference.IntegerFieldEditor;
	import org.eclipse.jface.preference.PreferencePage;
	import org.eclipse.jface.preference.StringFieldEditor;
	import org.eclipse.jface.util.IPropertyChangeListener;
	import org.eclipse.jface.util.PropertyChangeEvent;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	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.Label;
	import org.eclipse.ui.IWorkbench;
	import org.eclipse.ui.IWorkbenchPreferencePage;
	import org.eclipse.ui.help.WorkbenchHelp;

	/**
	* Preference page for debug preferences that apply specifically to
	* Java Debugging.
	*/
	public class JavaDebugPreferencePage extends PreferencePage implements IWorkbenchPreferencePage, IPropertyChangeListener {

	/**
	* This class exists to provide visibility to the
	* <code>refreshValidState</code> method and to perform more intelligent
	* clearing of the error message.
	*/
	protected class JavaDebugIntegerFieldEditor extends IntegerFieldEditor {

	public JavaDebugIntegerFieldEditor(String name, String labelText, Composite parent) {
	super(name, labelText, parent);
	}

	/**
	* @see org.eclipse.jface.preference.FieldEditor#refreshValidState()
	*/
	protected void refreshValidState() {
	super.refreshValidState();
	}

	/**
	* Clears the error message from the message line if the error
	* message is the error message from this field editor.
	*/
	protected void clearErrorMessage() {
	if (canClearErrorMessage()) {
	super.clearErrorMessage();
	}
	}
	}

	// Suspend preference widgets
	private Button fSuspendButton;
	private Button fSuspendOnCompilationErrors;
	// Hot code replace preference widgets
	private Button fAlertHCRButton;
	private Button fAlertHCRNotSupportedButton;
	private Button fAlertObsoleteButton;
	private Button fPerformHCRWithCompilationErrors;
	// Timeout preference widgets
	private JavaDebugIntegerFieldEditor fTimeoutText;
	private JavaDebugIntegerFieldEditor fConnectionTimeoutText;
	// View settings
	private Button fPackagesButton;

	public JavaDebugPreferencePage() {
	super();
	setPreferenceStore(JDIDebugUIPlugin.getDefault().getPreferenceStore());
	setDescription(DebugUIMessages.getString("JavaDebugPreferencePage.description")); //$NON-NLS-1$
	}

	/**
	* @see PreferencePage#createContents(Composite)
	*/
	protected Control createContents(Composite parent) {
	WorkbenchHelp.setHelp(getControl(), IJavaDebugHelpContextIds.JAVA_DEBUG_PREFERENCE_PAGE);

	Font font = parent.getFont();

	//The main composite
	Composite composite = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	layout.marginHeight=0;
	layout.marginWidth=0;
	composite.setLayout(layout);
	GridData data = new GridData();
	data.verticalAlignment = GridData.FILL;
	data.horizontalAlignment = GridData.FILL;
	composite.setLayoutData(data);
	composite.setFont(font);

	Composite comp= createGroupComposite(composite, 1, DebugUIMessages.getString("JavaDebugPreferencePage.Suspend_Execution_1")); //$NON-NLS-1$
	fSuspendButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Suspend_&execution_on_uncaught_exceptions_1")); //$NON-NLS-1$
	fSuspendOnCompilationErrors= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Suspend_execution_on_co&mpilation_errors_1")); //$NON-NLS-1$

	createSpacer(composite, 1);

	comp= createGroupComposite(composite, 1, DebugUIMessages.getString("JavaDebugPreferencePage.Hot_Code_Replace_2")); //$NON-NLS-1$
	fAlertHCRButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Alert_me_when_hot_code_replace_fails_1")); //$NON-NLS-1$
	fAlertHCRNotSupportedButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Alert_me_when_hot_code_replace_is_not_supported_1")); //$NON-NLS-1$
	fAlertObsoleteButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Alert_me_when_obsolete_methods_remain_1")); //$NON-NLS-1$
	fPerformHCRWithCompilationErrors= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Replace_classfiles_containing_compilation_errors_1")); //$NON-NLS-1$

	createSpacer(composite, 1);

	comp = createGroupComposite(composite, 1, DebugUIMessages.getString("JavaDebugPreferencePage.Communication_1")); //$NON-NLS-1$
	//Add in an intermediate composite to allow for spacing
	Composite spacingComposite = new Composite(comp, SWT.NONE);
	layout = new GridLayout();
	spacingComposite.setLayout(layout);
	data = new GridData(GridData.GRAB_HORIZONTAL \| GridData.FILL_HORIZONTAL);
	data.horizontalSpan = 2;
	spacingComposite.setLayoutData(data);
	spacingComposite.setFont(font);

	IPreferenceStore store= JDIDebugUIPlugin.getDefault().getPreferenceStore();
	int minValue;

	fTimeoutText = new JavaDebugIntegerFieldEditor(JDIDebugModel.PREF_REQUEST_TIMEOUT, DebugUIMessages.getString("JavaDebugPreferencePage.Debugger_&timeout__2"), spacingComposite); //$NON-NLS-1$
	fTimeoutText.setPreferenceStore(store);
	fTimeoutText.setPreferencePage(this);
	fTimeoutText.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE);
	minValue= store.getDefaultInt(JDIDebugModel.PREF_REQUEST_TIMEOUT);
	fTimeoutText.setValidRange(minValue, Integer.MAX_VALUE);
	fTimeoutText.setErrorMessage(MessageFormat.format(DebugUIMessages.getString("JavaDebugPreferencePage.Value_must_be_a_valid_integer_greater_than_{0}_ms_1"), new Object[] {new Integer(minValue)})); //$NON-NLS-1$
	fTimeoutText.load();
	fTimeoutText.setPropertyChangeListener(this);
	fConnectionTimeoutText = new JavaDebugIntegerFieldEditor(JavaRuntime.PREF_CONNECT_TIMEOUT, DebugUIMessages.getString("JavaDebugPreferencePage.&Launch_timeout_(ms)__1"), spacingComposite); //$NON-NLS-1$
	fConnectionTimeoutText.setPreferenceStore(store);
	fConnectionTimeoutText.setPreferencePage(this);
	fConnectionTimeoutText.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE);
	minValue= store.getDefaultInt(JavaRuntime.PREF_CONNECT_TIMEOUT);
	fConnectionTimeoutText.setValidRange(minValue, Integer.MAX_VALUE);
	fConnectionTimeoutText.setErrorMessage(MessageFormat.format(DebugUIMessages.getString("JavaDebugPreferencePage.Value_must_be_a_valid_integer_greater_than_{0}_ms_1"), new Object[] {new Integer(minValue)})); //$NON-NLS-1$
	fConnectionTimeoutText.load();
	fConnectionTimeoutText.setPropertyChangeListener(this);
	// cannot set preference store, as it is a core preference
	createSpacer(composite, 1);
	comp= createGroupComposite(composite, 1, DebugUIMessages.getString("JavaDebugPreferencePage.Opened_View_Default_Settings_1")); //$NON-NLS-1$
	fPackagesButton= createCheckButton(comp, DebugUIMessages.getString("JavaDebugPreferencePage.Show_&qualified_names_2")); //$NON-NLS-1$

	setValues();
	return composite;
	}

	/**
	* @see IWorkbenchPreferencePage#init(IWorkbench)
	*/
	public void init(IWorkbench workbench) {
	}

	/**
	* @see IPreferencePage#performOk()
	* Also, notifies interested listeners
	*/
	public boolean performOk() {
	storeValues();
	JDIDebugUIPlugin.getDefault().savePluginPreferences();
	JDIDebugModel.savePreferences();
	JavaRuntime.savePreferences();
	return true;
	}

	/**
	* Sets the default preferences.
	* @see PreferencePage#performDefaults()
	*/
	protected void performDefaults() {
	setDefaultValues();
	super.performDefaults();
	}

	private void setDefaultValues() {
	IPreferenceStore store = getPreferenceStore();
	fSuspendButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SUSPEND_ON_UNCAUGHT_EXCEPTIONS));
	fSuspendOnCompilationErrors.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SUSPEND_ON_COMPILATION_ERRORS));
	fAlertHCRButton.setSelection(store.getDefaultBoolean(IJDIPreferencesConstants.PREF_ALERT_HCR_FAILED));
	fAlertHCRNotSupportedButton.setSelection(store.getDefaultBoolean(IJDIPreferencesConstants.PREF_ALERT_HCR_NOT_SUPPORTED));
	fAlertObsoleteButton.setSelection(store.getDefaultBoolean(IJDIPreferencesConstants.PREF_ALERT_OBSOLETE_METHODS));
	fPerformHCRWithCompilationErrors.setSelection(store.getDefaultBoolean(JDIDebugModel.PREF_HCR_WITH_COMPILATION_ERRORS));
	fTimeoutText.setStringValue(new Integer(store.getDefaultInt(JDIDebugModel.PREF_REQUEST_TIMEOUT)).toString());
	fConnectionTimeoutText.setStringValue(new Integer(store.getDefaultInt(JavaRuntime.PREF_CONNECT_TIMEOUT)).toString());
	fPackagesButton.setSelection(store.getDefaultBoolean(IJDIPreferencesConstants.PREF_SHOW_QUALIFIED_NAMES));
	}

	/**
	* Creates a button with the given label and sets the default
	* configuration data.
	*/
	private Button createCheckButton(Composite parent, String label) {
	Button button= new Button(parent, SWT.CHECK \| SWT.LEFT);
	button.setText(label);
	// FieldEditor GridData
	GridData data = new GridData();
	button.setLayoutData(data);
	button.setFont(parent.getFont());

	return button;
	}

	/**
	* Creates composite group and sets the default layout data.
	*
	* @param parent the parent of the new composite
	* @param numColumns the number of columns for the new composite
	* @param labelText the text label of the new composite
	* @return the newly-created composite
	*/
	private Composite createGroupComposite(Composite parent, int numColumns, String labelText) {
	Group comp = new Group(parent, SWT.NONE);
	//GridLayout
	GridLayout layout = new GridLayout();
	layout.numColumns = numColumns;
	comp.setLayout(layout);
	//GridData
	GridData gd= new GridData();
	gd.verticalAlignment = GridData.FILL;
	gd.horizontalAlignment = GridData.FILL;
	comp.setLayoutData(gd);
	comp.setText(labelText);
	comp.setFont(parent.getFont());
	return comp;
	}

	/**
	* Set the values of the component widgets based on the
	* values in the preference store
	*/
	private void setValues() {
	IPreferenceStore store = getPreferenceStore();

	fSuspendButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SUSPEND_ON_UNCAUGHT_EXCEPTIONS));
	fSuspendOnCompilationErrors.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SUSPEND_ON_COMPILATION_ERRORS));
	fAlertHCRButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_ALERT_HCR_FAILED));
	fAlertHCRNotSupportedButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_ALERT_HCR_NOT_SUPPORTED));
	fAlertObsoleteButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_ALERT_OBSOLETE_METHODS));
	fPerformHCRWithCompilationErrors.setSelection(JDIDebugModel.getPreferences().getBoolean(JDIDebugModel.PREF_HCR_WITH_COMPILATION_ERRORS));
	fTimeoutText.setStringValue(new Integer(JDIDebugModel.getPreferences().getInt(JDIDebugModel.PREF_REQUEST_TIMEOUT)).toString());
	fConnectionTimeoutText.setStringValue(new Integer(JavaRuntime.getPreferences().getInt(JavaRuntime.PREF_CONNECT_TIMEOUT)).toString());
	fPackagesButton.setSelection(store.getBoolean(IJDIPreferencesConstants.PREF_SHOW_QUALIFIED_NAMES));
	}

	/**
	* Store the preference values based on the state of the
	* component widgets
	*/
	private void storeValues() {
	IPreferenceStore store = getPreferenceStore();
	store.setValue(IJDIPreferencesConstants.PREF_SUSPEND_ON_UNCAUGHT_EXCEPTIONS, fSuspendButton.getSelection());
	store.setValue(IJDIPreferencesConstants.PREF_SUSPEND_ON_COMPILATION_ERRORS, fSuspendOnCompilationErrors.getSelection());
	store.setValue(IJDIPreferencesConstants.PREF_ALERT_HCR_FAILED, fAlertHCRButton.getSelection());
	store.setValue(IJDIPreferencesConstants.PREF_ALERT_HCR_NOT_SUPPORTED, fAlertHCRNotSupportedButton.getSelection());
	store.setValue(IJDIPreferencesConstants.PREF_ALERT_OBSOLETE_METHODS, fAlertObsoleteButton.getSelection());
	JDIDebugModel.getPreferences().setValue(JDIDebugModel.PREF_HCR_WITH_COMPILATION_ERRORS, fPerformHCRWithCompilationErrors.getSelection());
	JDIDebugModel.getPreferences().setValue(JDIDebugModel.PREF_REQUEST_TIMEOUT, fTimeoutText.getIntValue());
	JavaRuntime.getPreferences().setValue(JavaRuntime.PREF_CONNECT_TIMEOUT, fConnectionTimeoutText.getIntValue());
	store.setValue(IJDIPreferencesConstants.PREF_SHOW_QUALIFIED_NAMES, fPackagesButton.getSelection());
	}

	protected void createSpacer(Composite composite, int columnSpan) {
	Label label = new Label(composite, SWT.NONE);
	GridData gd = new GridData();
	gd.horizontalSpan = columnSpan;
	label.setLayoutData(gd);
	}

	/**
	* @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
	*/
	public void propertyChange(PropertyChangeEvent event) {

	if (event.getProperty().equals(FieldEditor.IS_VALID)) {
	boolean newValue = ((Boolean) event.getNewValue()).booleanValue();
	// If the new value is true then we must check all field editors.
	// If it is false, then the page is invalid in any case.
	if (newValue) {
	if (fTimeoutText != null && event.getSource() != fTimeoutText) {
	fTimeoutText.refreshValidState();
	}
	if (fConnectionTimeoutText != null && event.getSource() != fConnectionTimeoutText) {
	fConnectionTimeoutText.refreshValidState();
	}
	}
	setValid(fTimeoutText.isValid() && fConnectionTimeoutText.isValid());
	getContainer().updateButtons();
	updateApplyButton();
	}
	}

	protected boolean canClearErrorMessage() {
	if (fTimeoutText.isValid() && fConnectionTimeoutText.isValid()) {
	return true;
	}
	return false;
	}
	}