org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/memory/CodePagesPrefDialog.java - gerrit/platform/eclipse.platform.debug - Git at Google

 /*******************************************************************************
  * Copyright (c) 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.debug.internal.ui.views.memory;

 import java.nio.charset.Charset;
 import java.util.Set;
 import java.util.SortedMap;

 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.debug.internal.ui.DebugUIMessages;
 import org.eclipse.debug.internal.ui.DebugUIPlugin;
 import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants;
 import org.eclipse.debug.ui.DebugUITools;
 import org.eclipse.debug.ui.IDebugUIConstants;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 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.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.dialogs.ElementListSelectionDialog;
 import org.eclipse.ui.internal.help.WorkbenchHelpSystem;


 /**
  * Dialog to allow user to change code page preference
  * @since 3.1
  */
 public class CodePagesPrefDialog extends Dialog {

 	private Text fAsciiCodePage;
 	private Text fEbcdicCodePage;

 	private static CharSetInfo[] fCodePages;

 	private class CharSetInfo
 	{
 		String fCharSetName;
 		String fDisplayName;

 		public CharSetInfo(String charSetName, String displayName) {

 			fCharSetName = charSetName;
 			fDisplayName = displayName;
 		}

 		public String toString() {
 			return fDisplayName;
 		}
 	}

 	/**
 	 * @param parentShell
 	 */
 	public CodePagesPrefDialog(Shell parentShell) {
 		super(parentShell);
 		setShellStyle(getShellStyle() | SWT.RESIZE);
 		WorkbenchHelpSystem.getInstance().setHelp(parentShell, DebugUIPlugin.getUniqueIdentifier() + ".CodePagesPrefDialog_context"); //$NON-NLS-1$
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Control createDialogArea(Composite parent) {

 		getShell().setText(DebugUIMessages.getString("CodePagesPrefDialog.1")); //$NON-NLS-1$
 		setShellStyle(SWT.RESIZE);

 		Composite canvas = new Composite(parent, SWT.NONE);
 		canvas.setLayout(new GridLayout(2, false));
 		GridData spec2= new GridData();
 		spec2.grabExcessVerticalSpace= true;
 		spec2.grabExcessHorizontalSpace= true;
 		spec2.horizontalAlignment= GridData.FILL;
 		spec2.verticalAlignment= GridData.CENTER;
 		canvas.setLayoutData(spec2);

 		Label textLabel = new Label(canvas, SWT.WRAP);
 		textLabel.setText(DebugUIMessages.getString("CodePagesPrefDialog.2")); //$NON-NLS-1$
 		GridData textLayout = new GridData();
 		textLayout.widthHint = 280;
 		textLayout.horizontalSpan = 2;
 		textLabel.setLayoutData(textLayout);

 		fAsciiCodePage = new Text(canvas, SWT.READ_ONLY | SWT.BORDER);
 		GridData asciispec= new GridData();
 		asciispec.grabExcessVerticalSpace= false;
 		asciispec.grabExcessHorizontalSpace= true;
 		asciispec.horizontalAlignment= GridData.FILL;
 		asciispec.verticalAlignment= GridData.BEGINNING;
 		asciispec.horizontalSpan = 1;
 		fAsciiCodePage.setLayoutData(asciispec);

 		String codepage = DebugUITools.getPreferenceStore().getString(IDebugUIConstants.PREF_DEFAULT_ASCII_CODE_PAGE);
 		if (codepage == null || codepage.length() == 0)
 			codepage = "CP1252"; //$NON-NLS-1$
 		fAsciiCodePage.setText(codepage);

 		Button asciiButton = new Button(canvas, SWT.PUSH);
 		asciiButton.setText(DebugUIMessages.getString("CodePagesPrefDialog.3")); //$NON-NLS-1$
 		asciiButton.addSelectionListener(new SelectionAdapter() {

 			public void widgetSelected(SelectionEvent e) {
 				Shell shell = DebugUIPlugin.getShell();
 				if (shell != null)
 					openCodePageSelectionDialog(shell, fAsciiCodePage.getText(), fAsciiCodePage);
 			}});
 		Label ebcdicLabel = new Label(canvas, SWT.WRAP);
 		ebcdicLabel.setText(DebugUIMessages.getString("CodePagesPrefDialog.4")); //$NON-NLS-1$
 		GridData ebcdicLayout = new GridData();
 		ebcdicLayout.widthHint = 280;
 		ebcdicLayout.horizontalSpan = 2;
 		ebcdicLabel.setLayoutData(ebcdicLayout);

 		fEbcdicCodePage = new Text(canvas, SWT.READ_ONLY | SWT.BORDER);
 		GridData ebcdicspec= new GridData();
 		ebcdicspec.grabExcessVerticalSpace= false;
 		ebcdicspec.grabExcessHorizontalSpace= true;
 		ebcdicspec.horizontalAlignment= GridData.FILL;
 		ebcdicspec.verticalAlignment= GridData.BEGINNING;
 		ebcdicspec.horizontalSpan = 1;
 		fAsciiCodePage.setLayoutData(ebcdicspec);
 		fEbcdicCodePage.setLayoutData(asciispec);

 		codepage = DebugUITools.getPreferenceStore().getString(IDebugUIConstants.PREF_DEFAULT_EBCDIC_CODE_PAGE);
 		fEbcdicCodePage.setText(codepage);

 		if (codepage == null || codepage.length() == 0)
 			codepage = "CP1047"; //$NON-NLS-1$

 		Button ebcdicButon = new Button(canvas, SWT.PUSH);
 		ebcdicButon.setText(DebugUIMessages.getString("CodePagesPrefDialog.5")); //$NON-NLS-1$

 		ebcdicButon.addSelectionListener(new SelectionAdapter() {

 			public void widgetSelected(SelectionEvent e) {
 				Shell shell = DebugUIPlugin.getShell();
 				if (shell != null)
 					openCodePageSelectionDialog(shell, fEbcdicCodePage.getText(), fEbcdicCodePage);
 			}});

 		return canvas;
 	}
 	protected void okPressed() {

 		// check that the codepages are supported
 		String asciiCodePage = fAsciiCodePage.getText();
 		if (!Charset.isSupported(asciiCodePage))
 		{
 			Shell shell = DebugUIPlugin.getShell();
 			if (shell != null)
 			{
 				IStatus status = DebugUIPlugin.newErrorStatus(DebugUIMessages.getString("CodePagesPrefDialog.0"), null); //$NON-NLS-1$
 				ErrorDialog.openError(shell, DebugUIMessages.getString("CodePagesPrefDialog.6"),  DebugUIMessages.getString("CodePagesPrefDialog.7"), status);		 //$NON-NLS-1$ //$NON-NLS-2$
 			}
 			return;
 		}

 		String ebcdicCodePage = fEbcdicCodePage.getText();
 		if (!Charset.isSupported(ebcdicCodePage))
 		{
 			Shell shell = DebugUIPlugin.getShell();
 			if (shell != null)
 			{
 				IStatus status = DebugUIPlugin.newErrorStatus(DebugUIMessages.getString("CodePagesPrefDialog.0"), null); //$NON-NLS-1$
 				ErrorDialog.openError(shell, DebugUIMessages.getString("CodePagesPrefDialog.8"), DebugUIMessages.getString("CodePagesPrefDialog.9"), status); //$NON-NLS-1$ //$NON-NLS-2$
 			}
 			return;
 		}

 		IPreferenceStore store = DebugUITools.getPreferenceStore();
 		store.setValue(IDebugUIConstants.PREF_DEFAULT_ASCII_CODE_PAGE, asciiCodePage);
 		store.setValue(IDebugUIConstants.PREF_DEFAULT_EBCDIC_CODE_PAGE, ebcdicCodePage);

 		super.okPressed();
 	}

 	/**
 	 * @param shell
 	 */
 	private void openCodePageSelectionDialog(Shell shell, String initialSelection, Text text) {
 		ElementListSelectionDialog dialog = new ElementListSelectionDialog(shell, new LabelProvider(){});
 		dialog.setTitle(DebugUIMessages.getString("CodePagesPrefDialog.10")); //$NON-NLS-1$
 		dialog.setMessage(DebugUIMessages.getString("CodePagesPrefDialog.11")); //$NON-NLS-1$
 		dialog.setMultipleSelection(false);

 		WorkbenchHelpSystem.getInstance().setHelp(shell, DebugUIPlugin.getUniqueIdentifier() + ".SelectCodepageDialog_context"); //$NON-NLS-1$

 		if (fCodePages == null)
 		{
 			SortedMap map = Charset.availableCharsets();
 			Set keys = map.keySet();
 			Object[] charSetKeys = keys.toArray();

 			fCodePages = new CharSetInfo[charSetKeys.length];

 			for (int i=0; i<fCodePages.length; i++)
 			{
 				fCodePages[i] = new CharSetInfo((String)charSetKeys[i], Charset.forName((String)charSetKeys[i]).displayName());
 			}
 		}
 		dialog.setElements(fCodePages);

 		// find initial selection
 		CharSetInfo selected = null;
 		for (int i=0; i<fCodePages.length; i++){
 			if (fCodePages[i].fCharSetName.equals(initialSelection))
 			{
 				selected = fCodePages[i];
 				break;
 			}
 		}
 		if (selected != null)
 			dialog.setFilter(selected.fCharSetName);

 		dialog.open();
 		Object selection = dialog.getFirstResult();
 		if (selection instanceof CharSetInfo)
 			text.setText(((CharSetInfo)selection).fCharSetName);
 	}

 	protected void createButtonsForButtonBar(Composite parent) {
 		Button defaultButton = createButton(parent, 3, DebugUIMessages.getString("CodePagesPrefDialog.13"), false); //$NON-NLS-1$
 		defaultButton.addSelectionListener(new SelectionAdapter() {

 			public void widgetSelected(SelectionEvent e) {
 				String defaultASCII = IDebugPreferenceConstants.DEFAULT_ASCII_CP;
 				fAsciiCodePage.setText(defaultASCII);
 				String defaulgEBCDIC = IDebugPreferenceConstants.DEFAULT_EBCDIC_CP;
 				fEbcdicCodePage.setText(defaulgEBCDIC);
 			}});
 		super.createButtonsForButtonBar(parent);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 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.debug.internal.ui.views.memory;

	import java.nio.charset.Charset;
	import java.util.Set;
	import java.util.SortedMap;

	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.debug.internal.ui.DebugUIMessages;
	import org.eclipse.debug.internal.ui.DebugUIPlugin;
	import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants;
	import org.eclipse.debug.ui.DebugUITools;
	import org.eclipse.debug.ui.IDebugUIConstants;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	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.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.dialogs.ElementListSelectionDialog;
	import org.eclipse.ui.internal.help.WorkbenchHelpSystem;


	/**
	* Dialog to allow user to change code page preference
	* @since 3.1
	*/
	public class CodePagesPrefDialog extends Dialog {

	private Text fAsciiCodePage;
	private Text fEbcdicCodePage;

	private static CharSetInfo[] fCodePages;

	private class CharSetInfo
	{
	String fCharSetName;
	String fDisplayName;

	public CharSetInfo(String charSetName, String displayName) {

	fCharSetName = charSetName;
	fDisplayName = displayName;
	}

	public String toString() {
	return fDisplayName;
	}
	}

	/**
	* @param parentShell
	*/
	public CodePagesPrefDialog(Shell parentShell) {
	super(parentShell);
	setShellStyle(getShellStyle() \| SWT.RESIZE);
	WorkbenchHelpSystem.getInstance().setHelp(parentShell, DebugUIPlugin.getUniqueIdentifier() + ".CodePagesPrefDialog_context"); //$NON-NLS-1$
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
	*/
	protected Control createDialogArea(Composite parent) {

	getShell().setText(DebugUIMessages.getString("CodePagesPrefDialog.1")); //$NON-NLS-1$
	setShellStyle(SWT.RESIZE);

	Composite canvas = new Composite(parent, SWT.NONE);
	canvas.setLayout(new GridLayout(2, false));
	GridData spec2= new GridData();
	spec2.grabExcessVerticalSpace= true;
	spec2.grabExcessHorizontalSpace= true;
	spec2.horizontalAlignment= GridData.FILL;
	spec2.verticalAlignment= GridData.CENTER;
	canvas.setLayoutData(spec2);

	Label textLabel = new Label(canvas, SWT.WRAP);
	textLabel.setText(DebugUIMessages.getString("CodePagesPrefDialog.2")); //$NON-NLS-1$
	GridData textLayout = new GridData();
	textLayout.widthHint = 280;
	textLayout.horizontalSpan = 2;
	textLabel.setLayoutData(textLayout);

	fAsciiCodePage = new Text(canvas, SWT.READ_ONLY \| SWT.BORDER);
	GridData asciispec= new GridData();
	asciispec.grabExcessVerticalSpace= false;
	asciispec.grabExcessHorizontalSpace= true;
	asciispec.horizontalAlignment= GridData.FILL;
	asciispec.verticalAlignment= GridData.BEGINNING;
	asciispec.horizontalSpan = 1;
	fAsciiCodePage.setLayoutData(asciispec);

	String codepage = DebugUITools.getPreferenceStore().getString(IDebugUIConstants.PREF_DEFAULT_ASCII_CODE_PAGE);
	if (codepage == null \|\| codepage.length() == 0)
	codepage = "CP1252"; //$NON-NLS-1$
	fAsciiCodePage.setText(codepage);

	Button asciiButton = new Button(canvas, SWT.PUSH);
	asciiButton.setText(DebugUIMessages.getString("CodePagesPrefDialog.3")); //$NON-NLS-1$
	asciiButton.addSelectionListener(new SelectionAdapter() {

	public void widgetSelected(SelectionEvent e) {
	Shell shell = DebugUIPlugin.getShell();
	if (shell != null)
	openCodePageSelectionDialog(shell, fAsciiCodePage.getText(), fAsciiCodePage);
	}});
	Label ebcdicLabel = new Label(canvas, SWT.WRAP);
	ebcdicLabel.setText(DebugUIMessages.getString("CodePagesPrefDialog.4")); //$NON-NLS-1$
	GridData ebcdicLayout = new GridData();
	ebcdicLayout.widthHint = 280;
	ebcdicLayout.horizontalSpan = 2;
	ebcdicLabel.setLayoutData(ebcdicLayout);

	fEbcdicCodePage = new Text(canvas, SWT.READ_ONLY \| SWT.BORDER);
	GridData ebcdicspec= new GridData();
	ebcdicspec.grabExcessVerticalSpace= false;
	ebcdicspec.grabExcessHorizontalSpace= true;
	ebcdicspec.horizontalAlignment= GridData.FILL;
	ebcdicspec.verticalAlignment= GridData.BEGINNING;
	ebcdicspec.horizontalSpan = 1;
	fAsciiCodePage.setLayoutData(ebcdicspec);
	fEbcdicCodePage.setLayoutData(asciispec);

	codepage = DebugUITools.getPreferenceStore().getString(IDebugUIConstants.PREF_DEFAULT_EBCDIC_CODE_PAGE);
	fEbcdicCodePage.setText(codepage);

	if (codepage == null \|\| codepage.length() == 0)
	codepage = "CP1047"; //$NON-NLS-1$

	Button ebcdicButon = new Button(canvas, SWT.PUSH);
	ebcdicButon.setText(DebugUIMessages.getString("CodePagesPrefDialog.5")); //$NON-NLS-1$

	ebcdicButon.addSelectionListener(new SelectionAdapter() {

	public void widgetSelected(SelectionEvent e) {
	Shell shell = DebugUIPlugin.getShell();
	if (shell != null)
	openCodePageSelectionDialog(shell, fEbcdicCodePage.getText(), fEbcdicCodePage);
	}});

	return canvas;
	}
	protected void okPressed() {

	// check that the codepages are supported
	String asciiCodePage = fAsciiCodePage.getText();
	if (!Charset.isSupported(asciiCodePage))
	{
	Shell shell = DebugUIPlugin.getShell();
	if (shell != null)
	{
	IStatus status = DebugUIPlugin.newErrorStatus(DebugUIMessages.getString("CodePagesPrefDialog.0"), null); //$NON-NLS-1$
	ErrorDialog.openError(shell, DebugUIMessages.getString("CodePagesPrefDialog.6"), DebugUIMessages.getString("CodePagesPrefDialog.7"), status); //$NON-NLS-1$ //$NON-NLS-2$
	}
	return;
	}

	String ebcdicCodePage = fEbcdicCodePage.getText();
	if (!Charset.isSupported(ebcdicCodePage))
	{
	Shell shell = DebugUIPlugin.getShell();
	if (shell != null)
	{
	IStatus status = DebugUIPlugin.newErrorStatus(DebugUIMessages.getString("CodePagesPrefDialog.0"), null); //$NON-NLS-1$
	ErrorDialog.openError(shell, DebugUIMessages.getString("CodePagesPrefDialog.8"), DebugUIMessages.getString("CodePagesPrefDialog.9"), status); //$NON-NLS-1$ //$NON-NLS-2$
	}
	return;
	}

	IPreferenceStore store = DebugUITools.getPreferenceStore();
	store.setValue(IDebugUIConstants.PREF_DEFAULT_ASCII_CODE_PAGE, asciiCodePage);
	store.setValue(IDebugUIConstants.PREF_DEFAULT_EBCDIC_CODE_PAGE, ebcdicCodePage);

	super.okPressed();
	}

	/**
	* @param shell
	*/
	private void openCodePageSelectionDialog(Shell shell, String initialSelection, Text text) {
	ElementListSelectionDialog dialog = new ElementListSelectionDialog(shell, new LabelProvider(){});
	dialog.setTitle(DebugUIMessages.getString("CodePagesPrefDialog.10")); //$NON-NLS-1$
	dialog.setMessage(DebugUIMessages.getString("CodePagesPrefDialog.11")); //$NON-NLS-1$
	dialog.setMultipleSelection(false);

	WorkbenchHelpSystem.getInstance().setHelp(shell, DebugUIPlugin.getUniqueIdentifier() + ".SelectCodepageDialog_context"); //$NON-NLS-1$

	if (fCodePages == null)
	{
	SortedMap map = Charset.availableCharsets();
	Set keys = map.keySet();
	Object[] charSetKeys = keys.toArray();

	fCodePages = new CharSetInfo[charSetKeys.length];

	for (int i=0; i<fCodePages.length; i++)
	{
	fCodePages[i] = new CharSetInfo((String)charSetKeys[i], Charset.forName((String)charSetKeys[i]).displayName());
	}
	}
	dialog.setElements(fCodePages);

	// find initial selection
	CharSetInfo selected = null;
	for (int i=0; i<fCodePages.length; i++){
	if (fCodePages[i].fCharSetName.equals(initialSelection))
	{
	selected = fCodePages[i];
	break;
	}
	}
	if (selected != null)
	dialog.setFilter(selected.fCharSetName);

	dialog.open();
	Object selection = dialog.getFirstResult();
	if (selection instanceof CharSetInfo)
	text.setText(((CharSetInfo)selection).fCharSetName);
	}

	protected void createButtonsForButtonBar(Composite parent) {
	Button defaultButton = createButton(parent, 3, DebugUIMessages.getString("CodePagesPrefDialog.13"), false); //$NON-NLS-1$
	defaultButton.addSelectionListener(new SelectionAdapter() {

	public void widgetSelected(SelectionEvent e) {
	String defaultASCII = IDebugPreferenceConstants.DEFAULT_ASCII_CP;
	fAsciiCodePage.setText(defaultASCII);
	String defaulgEBCDIC = IDebugPreferenceConstants.DEFAULT_EBCDIC_CP;
	fEbcdicCodePage.setText(defaulgEBCDIC);
	}});
	super.createButtonsForButtonBar(parent);
	}
	}