bundles/org.eclipse.equinox.p2.installer/src/org/eclipse/equinox/internal/p2/installer/ui/ProxiesDialog.java - equinox/rt.equinox.p2 - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2008 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:
  *     EclipseSource
  *******************************************************************************/

 package org.eclipse.equinox.internal.p2.installer.ui;

 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.List;
 import org.eclipse.core.net.proxy.IProxyData;
 import org.eclipse.core.net.proxy.IProxyService;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.equinox.internal.p2.installer.InstallerActivator;
 import org.eclipse.equinox.internal.p2.installer.Messages;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;

 public final class ProxiesDialog {

 	private IProxyData data;
 	private Label typeLabel;
 	private Combo typeCombo;
 	private Label hostLabel;
 	private Text hostText;
 	private Label portLabel;
 	private Text portText;

 	private Label userIdLabel;
 	private Text userIdText;
 	private Label passwordLabel;
 	private Text passwordText;
 	private Button okButton;
 	private Button cancelButton;
 	private final IProxyService service;
 	private Shell shell;
 	private List<String> types;
 	private Label statuslabel;

 	public ProxiesDialog(IProxyService service) {
 		if (service == null) {
 			throw new IllegalArgumentException();
 		}

 		this.service = service;
 		initTypes();
 	}

 	public IProxyData getValue() {
 		return data;
 	}

 	public void open() {
 		this.data = service.getProxyData(IProxyData.HTTP_PROXY_TYPE);
 		if (data == null) {
 			openMessage(Messages.ProxiesDialog_FailedToReadProxySettingsMessage, SWT.ICON_ERROR | SWT.OK);
 			return;
 		}

 		Shell activeShell = Display.getDefault().getActiveShell();
 		shell = new Shell(activeShell, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL | SWT.MIN | SWT.RESIZE);
 		//Computes the bounds
 		Rectangle bounds = null;
 		if (activeShell == null) {
 			bounds = new Rectangle(300, 200, 600, 400);
 		} else {
 			Rectangle parentBounds = activeShell.getBounds();
 			bounds = new Rectangle(parentBounds.x + 100, parentBounds.y + 100, 600, 400);
 		}
 		shell.setBounds(bounds);

 		shell.setText(Messages.ProxiesDialog_DialogTitle);
 		shell.setLayout(new GridLayout());

 		createDialogArea(shell);
 		createButtonBar(shell);

 		shell.pack();
 		shell.open();
 	}

 	protected Control createDialogArea(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		composite.setLayout(new GridLayout(4, false));
 		composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL));

 		typeLabel = new Label(composite, SWT.NONE);
 		typeLabel.setText(Messages.ProxiesDialog_ShemaLabel);
 		typeLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
 		typeCombo = new Combo(composite, SWT.BORDER);
 		typeCombo.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 3, 1));
 		//Currently only these three proxy types are supported.
 		for (int i = 0; i < types.size(); i++) {
 			typeCombo.add(types.get(i));
 		}

 		typeCombo.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				String selection = typeCombo.getText();
 				IProxyData selectedProxy = service.getProxyData(selection);
 				if (selectedProxy == null) {
 					updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_UnknownProxyTypeMessage, null));
 				} else {
 					data = selectedProxy;
 					applyData();
 				}
 			}
 		});

 		hostLabel = new Label(composite, SWT.NONE);
 		hostLabel.setText(Messages.ProxiesDialog_HostLabel);
 		hostLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
 		hostText = new Text(composite, SWT.BORDER);
 		GridData gdata = new GridData(SWT.FILL, SWT.TOP, true, false);
 		gdata.widthHint = 250;
 		hostText.setLayoutData(gdata);

 		portLabel = new Label(composite, SWT.NONE);
 		portLabel.setText(Messages.ProxiesDialog_PortLabel);
 		portText = new Text(composite, SWT.BORDER);
 		gdata = new GridData();
 		gdata.widthHint = 30;
 		portText.setLayoutData(gdata);

 		userIdLabel = new Label(composite, SWT.NONE);
 		userIdLabel.setText(Messages.ProxiesDialog_UserLabel);
 		userIdLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
 		userIdText = new Text(composite, SWT.BORDER);
 		userIdText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 3, 1));

 		passwordLabel = new Label(composite, SWT.NONE);
 		passwordLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true, 1, 1));
 		passwordLabel.setText(Messages.ProxiesDialog_PasswordLabel);
 		passwordText = new Text(composite, SWT.BORDER);
 		passwordText.setEchoChar('*');
 		passwordText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, true, 3, 1));

 		ModifyListener validationListener = new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				updateStatus();
 			}
 		};
 		typeCombo.addModifyListener(validationListener);
 		hostText.addModifyListener(validationListener);
 		portText.addModifyListener(validationListener);
 		userIdText.addModifyListener(validationListener);
 		passwordText.addModifyListener(validationListener);

 		//Initialize the UI with the selected data
 		applyData();
 		hostText.setFocus();
 		updateStatus();
 		return composite;
 	}

 	private void createButtonBar(Composite parent) {
 		Composite buttonBar = new Composite(parent, SWT.NONE);
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.horizontalAlignment = SWT.RIGHT;
 		buttonBar.setLayoutData(gridData);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 3;
 		layout.makeColumnsEqualWidth = false;
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		buttonBar.setLayout(layout);

 		statuslabel = new Label(buttonBar, SWT.NONE);
 		gridData = new GridData(300, SWT.DEFAULT);
 		statuslabel.setLayoutData(gridData);

 		okButton = new Button(buttonBar, SWT.PUSH);
 		gridData = new GridData(100, SWT.DEFAULT);
 		okButton.setLayoutData(gridData);
 		okButton.setText(Messages.ProxiesDialog_OkLabel);
 		okButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				okPressed();
 				shell.dispose();
 			}
 		});

 		cancelButton = new Button(buttonBar, SWT.PUSH);
 		cancelButton.setLayoutData(gridData);
 		cancelButton.setText(Messages.Dialog_CancelButton);
 		cancelButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				shell.dispose();
 			}
 		});
 	}

 	public void create() {
 		validateHostName();
 	}

 	private String toString(String str) {
 		return str == null ? "" : str; //$NON-NLS-1$
 	}

 	private void applyData() {
 		typeCombo.setText(toString(data.getType()));
 		hostText.setText(toString(data.getHost()));
 		if (data.getPort() != -1) {
 			portText.setText(toString(Integer.toString(data.getPort())));
 		} else {
 			portText.setText(""); //$NON-NLS-1$
 		}
 		userIdText.setText(toString(data.getUserId()));
 		passwordText.setText(toString(data.getPassword()));
 	}

 	private boolean validateHostName() {
 		try {
 			new URI(hostText.getText());
 		} catch (URISyntaxException e) {
 			updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_InvalitHostMessage, null));
 			return false;
 		}
 		return true;
 	}

 	protected void okPressed() {
 		data.setHost(hostText.getText());
 		data.setPort(Integer.parseInt(portText.getText()));
 		data.setUserid(userIdText.getText());
 		data.setPassword(passwordText.getText());
 		try {
 			if (service != null) {
 				service.setProxyData(new IProxyData[] {data});
 			} else {
 				openMessage(Messages.ProxiesDialog_ServiceNotAvailableMessage, SWT.ICON_ERROR | SWT.OK);
 			}
 		} catch (Exception e) {
 			openMessage(Messages.ProxiesDialog_FailedToSetProxyMessage + e.getLocalizedMessage(), SWT.ICON_ERROR | SWT.OK);
 		}
 	}

 	protected void updateStatus() {
 		if (!validateHostName()) {
 			return;
 		}
 		if (hostText.getText().length() == 0) {
 			updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_EmptyHostMessage, null));
 			return;
 		}

 		if (userIdText.getText().length() == 0) {
 			updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_EmptyUserMessage, null));
 			return;
 		}

 		if (passwordText.getText().length() == 0) {
 			updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_EmptyPasswordMessage, null));
 			return;
 		}

 		try {
 			//Port checks
 			String portAsString = portText.getText();
 			if (portAsString == null || portAsString.length() == 0) {
 				updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_EmptyProtMessage, null));
 				return;
 			}
 			int port = Integer.parseInt(portAsString);
 			if (port < 0) {
 				updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_NegativValue, null));
 				return;
 			}
 		} catch (NumberFormatException e) {
 			updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_WrongFormat, null));
 			return;
 		}
 		updateStatus(Status.OK_STATUS);
 	}

 	private void updateStatus(IStatus status) {

 		if (okButton != null) {
 			okButton.setEnabled(status.isOK());
 		}
 		if (statuslabel != null) {
 			String statusText = status.isOK() ? "" : Messages.ProxiesDialog_StatusPrefix + status.getMessage(); //$NON-NLS-1$
 			statuslabel.setText(statusText);
 		}
 	}

 	private void openMessage(String msg, int style) {
 		MessageBox messageBox = new MessageBox(Display.getDefault().getActiveShell(), style);
 		messageBox.setMessage(msg);
 		messageBox.open();
 	}

 	private void initTypes() {
 		types = new ArrayList<String>();
 		types.add(IProxyData.HTTP_PROXY_TYPE);
 		types.add(IProxyData.HTTPS_PROXY_TYPE);
 		types.add(IProxyData.SOCKS_PROXY_TYPE);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2007, 2008 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:
	* EclipseSource
	*******************************************************************************/

	package org.eclipse.equinox.internal.p2.installer.ui;

	import java.net.URI;
	import java.net.URISyntaxException;
	import java.util.ArrayList;
	import java.util.List;
	import org.eclipse.core.net.proxy.IProxyData;
	import org.eclipse.core.net.proxy.IProxyService;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.equinox.internal.p2.installer.InstallerActivator;
	import org.eclipse.equinox.internal.p2.installer.Messages;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.graphics.Rectangle;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;

	public final class ProxiesDialog {

	private IProxyData data;
	private Label typeLabel;
	private Combo typeCombo;
	private Label hostLabel;
	private Text hostText;
	private Label portLabel;
	private Text portText;

	private Label userIdLabel;
	private Text userIdText;
	private Label passwordLabel;
	private Text passwordText;
	private Button okButton;
	private Button cancelButton;
	private final IProxyService service;
	private Shell shell;
	private List<String> types;
	private Label statuslabel;

	public ProxiesDialog(IProxyService service) {
	if (service == null) {
	throw new IllegalArgumentException();
	}

	this.service = service;
	initTypes();
	}

	public IProxyData getValue() {
	return data;
	}

	public void open() {
	this.data = service.getProxyData(IProxyData.HTTP_PROXY_TYPE);
	if (data == null) {
	openMessage(Messages.ProxiesDialog_FailedToReadProxySettingsMessage, SWT.ICON_ERROR \| SWT.OK);
	return;
	}

	Shell activeShell = Display.getDefault().getActiveShell();
	shell = new Shell(activeShell, SWT.DIALOG_TRIM \| SWT.APPLICATION_MODAL \| SWT.MIN \| SWT.RESIZE);
	//Computes the bounds
	Rectangle bounds = null;
	if (activeShell == null) {
	bounds = new Rectangle(300, 200, 600, 400);
	} else {
	Rectangle parentBounds = activeShell.getBounds();
	bounds = new Rectangle(parentBounds.x + 100, parentBounds.y + 100, 600, 400);
	}
	shell.setBounds(bounds);

	shell.setText(Messages.ProxiesDialog_DialogTitle);
	shell.setLayout(new GridLayout());

	createDialogArea(shell);
	createButtonBar(shell);

	shell.pack();
	shell.open();
	}

	protected Control createDialogArea(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayout(new GridLayout(4, false));
	composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL \| GridData.FILL_VERTICAL));

	typeLabel = new Label(composite, SWT.NONE);
	typeLabel.setText(Messages.ProxiesDialog_ShemaLabel);
	typeLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
	typeCombo = new Combo(composite, SWT.BORDER);
	typeCombo.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 3, 1));
	//Currently only these three proxy types are supported.
	for (int i = 0; i < types.size(); i++) {
	typeCombo.add(types.get(i));
	}

	typeCombo.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	String selection = typeCombo.getText();
	IProxyData selectedProxy = service.getProxyData(selection);
	if (selectedProxy == null) {
	updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_UnknownProxyTypeMessage, null));
	} else {
	data = selectedProxy;
	applyData();
	}
	}
	});

	hostLabel = new Label(composite, SWT.NONE);
	hostLabel.setText(Messages.ProxiesDialog_HostLabel);
	hostLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
	hostText = new Text(composite, SWT.BORDER);
	GridData gdata = new GridData(SWT.FILL, SWT.TOP, true, false);
	gdata.widthHint = 250;
	hostText.setLayoutData(gdata);

	portLabel = new Label(composite, SWT.NONE);
	portLabel.setText(Messages.ProxiesDialog_PortLabel);
	portText = new Text(composite, SWT.BORDER);
	gdata = new GridData();
	gdata.widthHint = 30;
	portText.setLayoutData(gdata);

	userIdLabel = new Label(composite, SWT.NONE);
	userIdLabel.setText(Messages.ProxiesDialog_UserLabel);
	userIdLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false, 1, 1));
	userIdText = new Text(composite, SWT.BORDER);
	userIdText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 3, 1));

	passwordLabel = new Label(composite, SWT.NONE);
	passwordLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true, 1, 1));
	passwordLabel.setText(Messages.ProxiesDialog_PasswordLabel);
	passwordText = new Text(composite, SWT.BORDER);
	passwordText.setEchoChar('*');
	passwordText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, true, 3, 1));

	ModifyListener validationListener = new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	updateStatus();
	}
	};
	typeCombo.addModifyListener(validationListener);
	hostText.addModifyListener(validationListener);
	portText.addModifyListener(validationListener);
	userIdText.addModifyListener(validationListener);
	passwordText.addModifyListener(validationListener);

	//Initialize the UI with the selected data
	applyData();
	hostText.setFocus();
	updateStatus();
	return composite;
	}

	private void createButtonBar(Composite parent) {
	Composite buttonBar = new Composite(parent, SWT.NONE);
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalAlignment = SWT.RIGHT;
	buttonBar.setLayoutData(gridData);
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	layout.makeColumnsEqualWidth = false;
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	buttonBar.setLayout(layout);

	statuslabel = new Label(buttonBar, SWT.NONE);
	gridData = new GridData(300, SWT.DEFAULT);
	statuslabel.setLayoutData(gridData);

	okButton = new Button(buttonBar, SWT.PUSH);
	gridData = new GridData(100, SWT.DEFAULT);
	okButton.setLayoutData(gridData);
	okButton.setText(Messages.ProxiesDialog_OkLabel);
	okButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	okPressed();
	shell.dispose();
	}
	});

	cancelButton = new Button(buttonBar, SWT.PUSH);
	cancelButton.setLayoutData(gridData);
	cancelButton.setText(Messages.Dialog_CancelButton);
	cancelButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	shell.dispose();
	}
	});
	}

	public void create() {
	validateHostName();
	}

	private String toString(String str) {
	return str == null ? "" : str; //$NON-NLS-1$
	}

	private void applyData() {
	typeCombo.setText(toString(data.getType()));
	hostText.setText(toString(data.getHost()));
	if (data.getPort() != -1) {
	portText.setText(toString(Integer.toString(data.getPort())));
	} else {
	portText.setText(""); //$NON-NLS-1$
	}
	userIdText.setText(toString(data.getUserId()));
	passwordText.setText(toString(data.getPassword()));
	}

	private boolean validateHostName() {
	try {
	new URI(hostText.getText());
	} catch (URISyntaxException e) {
	updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_InvalitHostMessage, null));
	return false;
	}
	return true;
	}

	protected void okPressed() {
	data.setHost(hostText.getText());
	data.setPort(Integer.parseInt(portText.getText()));
	data.setUserid(userIdText.getText());
	data.setPassword(passwordText.getText());
	try {
	if (service != null) {
	service.setProxyData(new IProxyData[] {data});
	} else {
	openMessage(Messages.ProxiesDialog_ServiceNotAvailableMessage, SWT.ICON_ERROR \| SWT.OK);
	}
	} catch (Exception e) {
	openMessage(Messages.ProxiesDialog_FailedToSetProxyMessage + e.getLocalizedMessage(), SWT.ICON_ERROR \| SWT.OK);
	}
	}

	protected void updateStatus() {
	if (!validateHostName()) {
	return;
	}
	if (hostText.getText().length() == 0) {
	updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_EmptyHostMessage, null));
	return;
	}

	if (userIdText.getText().length() == 0) {
	updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_EmptyUserMessage, null));
	return;
	}

	if (passwordText.getText().length() == 0) {
	updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_EmptyPasswordMessage, null));
	return;
	}

	try {
	//Port checks
	String portAsString = portText.getText();
	if (portAsString == null \|\| portAsString.length() == 0) {
	updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_EmptyProtMessage, null));
	return;
	}
	int port = Integer.parseInt(portAsString);
	if (port < 0) {
	updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_NegativValue, null));
	return;
	}
	} catch (NumberFormatException e) {
	updateStatus(new Status(IStatus.ERROR, InstallerActivator.PI_INSTALLER, IStatus.OK, Messages.ProxiesDialog_WrongFormat, null));
	return;
	}
	updateStatus(Status.OK_STATUS);
	}

	private void updateStatus(IStatus status) {

	if (okButton != null) {
	okButton.setEnabled(status.isOK());
	}
	if (statuslabel != null) {
	String statusText = status.isOK() ? "" : Messages.ProxiesDialog_StatusPrefix + status.getMessage(); //$NON-NLS-1$
	statuslabel.setText(statusText);
	}
	}

	private void openMessage(String msg, int style) {
	MessageBox messageBox = new MessageBox(Display.getDefault().getActiveShell(), style);
	messageBox.setMessage(msg);
	messageBox.open();
	}

	private void initTypes() {
	types = new ArrayList<String>();
	types.add(IProxyData.HTTP_PROXY_TYPE);
	types.add(IProxyData.HTTPS_PROXY_TYPE);
	types.add(IProxyData.SOCKS_PROXY_TYPE);
	}
	}