bnd/org.eclipse.sensinact.studio.navigator.device/src/org/eclipse/sensinact/studio/navigator/device/toolbar/dialog/GatewayConfigDialog.java - sensinact/org.eclipse.sensinact.studio - Git at Google

 /**
  * Copyright (c) 2019 CEA.
  * 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:
  *     CEA - initial API and implementation and/or initial documentation
  */
 package org.eclipse.sensinact.studio.navigator.device.toolbar.dialog;

 import java.util.concurrent.atomic.AtomicInteger;

 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.dialogs.TitleAreaDialog;
 import org.eclipse.sensinact.studio.preferences.GatewayHttpConfig;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.FocusEvent;
 import org.eclipse.swt.events.FocusListener;
 import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.KeyListener;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Combo;
 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.Spinner;
 import org.eclipse.swt.widgets.Text;

 /**
  * @author Etienne Gandrille
  */
 public class GatewayConfigDialog extends TitleAreaDialog {

 	// default model values
 	// also used for storing values while closing window
 	private String name = "NewConfiguration";
 	private String address = "";
 	private int version = -1;
 	private int port = 8080;
 	private int timeout = 10000;
 	private String username;
 	private String password;


 	// Widgets
 	private Text nameText;
 	private Text addressText;
 	private Combo versionList;
 	private Spinner portSpinner;
 	private Spinner timeoutSpinner;
 	private Text usernameText;
 	private Text passwordText;
 	private boolean isEditable;
 	private final String[] gatewayNames;

 	public GatewayConfigDialog(Shell parent, String[] gatewayNames) {
 		super(parent);
 		isEditable = true;
 		this.gatewayNames = gatewayNames;
 		this.username = "";
 		this.password = "";
 	}

 	public GatewayConfigDialog(Shell parent, String name, String address, int port, int timeout, String username, String password,int version) {
 		super(parent);
 		this.name = name;
 		this.address = address;
 		this.version = version;
 		this.port = port;
 		this.timeout = timeout;
 		this.isEditable = false;
 		this.gatewayNames = null;
 		this.username = username;
 		this.password = password;
 	}

 	public GatewayHttpConfig getGateway() {
 		return new GatewayHttpConfig(name, address, port, timeout, username, password, version);
 	}

 	@Override
 	public void create() {
 		super.create();
 		setTitle("New gateway configuration");
 		validateAll(gatewayNames);
 	}

 	@Override
 	protected Control createDialogArea(Composite parent) {
 		Composite area = (Composite) super.createDialogArea(parent);

 		// container with two columns
 		Composite container = new Composite(area, SWT.NONE);
 		container.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, true));
 		container.setLayout(new GridLayout(2, false));

 		// text fields
 		nameText = createTextField(container, "Configuration Name", gatewayNames, name, isEditable, false);
 		addressText = createTextField(container, "Address", gatewayNames, address, true, false);
 		addressText.setToolTipText("The address of the gateway.\navailable addresses:\nhttp://localhost\nhttp://192.168.1.69\nlocalhost\n192.168.1.69");

 		versionList = createList(container, "Version", new String[] {"1","2"}, version);

 		// Spinner fields
 		portSpinner = createSpinnerField(container, "Port", 10000, port);
 		timeoutSpinner = createSpinnerField(container, "Timeout (ms)", 60000, timeout);

 		// credentials
 		usernameText = createTextField(container, "Username", new String[0], username, true, false);
 		passwordText = createTextField(container, "Password", new String[0], password, true, true);

 		return area;
 	}

 	private Text createTextField(Composite container, String label, final String[] gatewayNames, String initValue, boolean readOnly, boolean ispassword) {

 		// label
 		new Label(container, SWT.NONE).setText(label);

 		// field
 		Text text = new Text(container, SWT.BORDER);
 		if (ispassword)
 			text.setEchoChar('*');
 		text.setText(initValue);
 		text.setEditable(readOnly);
 		text.setLayoutData(new GridData(GridData.FILL, SWT.TOP, true, false));


 		// listeners
 		text.addFocusListener(new FocusListener() {
 			@Override
 			public void focusGained(FocusEvent e) {}
 			@Override
 			public void focusLost(FocusEvent e) {
 				validateAll(gatewayNames);
 			}
 		});
 		text.addKeyListener(new KeyListener() {
 			@Override
 			public void keyPressed(KeyEvent e) {}
 			@Override
 			public void keyReleased(KeyEvent e) {
 				validateAll(gatewayNames);
 			}
 		});

 		return text;
 	}

 	private Spinner createSpinnerField(Composite container, String label, int maximum, int initValue) {

 		// label
 		new Label(container, SWT.NONE).setText(label);

 		// field
 		Spinner portSpinner = new Spinner(container, SWT.BORDER);
 		portSpinner.setMaximum(maximum);
 		portSpinner.setSelection(initValue);
 		portSpinner.setLayoutData(new GridData(GridData.FILL, SWT.TOP, true, false));

 		return portSpinner;
 	}


 	private Combo createList(Composite container, String label, String[] versions, int initValue) {
 		// label
 		new Label(container, SWT.NONE).setText(label);
 		// label
 		Combo list = new Combo(container, SWT.DROP_DOWN);
 		list.setLayoutData(new GridData(GridData.FILL, SWT.TOP, true, false));

 		// field
 		int i=0;
 		for(;i<versions.length;i++) {
 			if(Integer.parseInt(versions[i]) == initValue)
 				break;
 		}
 		final AtomicInteger index = new AtomicInteger(i);
 		list.setItems(versions);
 		list.select(i);
 		list.addSelectionListener(new SelectionListener() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				Combo c = ((Combo)e.getSource());
 				GatewayConfigDialog.this.version = Integer.parseInt(c.getItem(c.getSelectionIndex()));
 			}

 			@Override
 			public void widgetDefaultSelected(SelectionEvent e) {
 			}
 		});
 		return list;
 	}

 	protected void createButtonsForButtonBar(Composite parent) {
 		createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
 		createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
 	}

 	@Override
 	protected void okPressed() {
 		this.name = nameText.getText();
 		this.address = addressText.getText();
 		this.port = portSpinner.getSelection();
 		this.timeout = timeoutSpinner.getSelection();
 		this.username = usernameText.getText();
 		this.password = passwordText.getText();
 		this.version = Integer.parseInt(versionList.getItem(versionList.getSelectionIndex()));
 		super.okPressed();
 	}

 	// ==========
 	// Validation
 	// ==========

 	private void validateAll(String[] gatewayNames) {
 		String error = getError(gatewayNames);
 		if (error != null) {
 			setErrorMessage(error);
 			getButton(OK).setEnabled(false);
 		} else {
 			setErrorMessage(null);
 			getButton(OK).setEnabled(true);
 		}
 	}

 	private String getError(String[] gatewayNames) {
 		String nameError = checkName(gatewayNames);
 		if (nameError != null) {
 			return nameError;
 		}

 		String addressError = checkAddress();
 		if (addressError != null) {
 			return addressError;
 		}

 		return null;
 	}

 	private String checkName(String[] gatewayNames) {
 		String name = nameText.getText();
 		if (name.trim().equals("")) {
 			return "The configuration name must be set";
 		}
 		if (gatewayNames != null) {
 			for (String gatewayName : gatewayNames) {
 				if (gatewayName.trim().equals(name.trim()))
 						return "The gateway " + name + " already exists";
 			}
 		}

 		return null;
 	}

 	private String checkAddress() {
 		String address = addressText.getText().trim();
 		if (address.equals("")) {
 			return "The gateway address must be set";
 		}

 		boolean isLocalhost = address.equals("localhost") || address.equals("http://localhost");
 		boolean isIPv4 = address.matches("^(http://|https://)?[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$");
 		boolean isDnsName = address.matches("^(http://|https://)?[0-9A-Za-z\\.]+\\.[A-Za-z]{2,8}$");
 		if (!isLocalhost && !isIPv4 & !isDnsName) {
 			return "The gateway address is not well formed";
 		}

 		return null;
 	}
 }
	/**
	* Copyright (c) 2019 CEA.
	* 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:
	* CEA - initial API and implementation and/or initial documentation
	*/
	package org.eclipse.sensinact.studio.navigator.device.toolbar.dialog;

	import java.util.concurrent.atomic.AtomicInteger;

	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.dialogs.TitleAreaDialog;
	import org.eclipse.sensinact.studio.preferences.GatewayHttpConfig;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.FocusEvent;
	import org.eclipse.swt.events.FocusListener;
	import org.eclipse.swt.events.KeyEvent;
	import org.eclipse.swt.events.KeyListener;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Combo;
	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.Spinner;
	import org.eclipse.swt.widgets.Text;

	/**
	* @author Etienne Gandrille
	*/
	public class GatewayConfigDialog extends TitleAreaDialog {

	// default model values
	// also used for storing values while closing window
	private String name = "NewConfiguration";
	private String address = "";
	private int version = -1;
	private int port = 8080;
	private int timeout = 10000;
	private String username;
	private String password;


	// Widgets
	private Text nameText;
	private Text addressText;
	private Combo versionList;
	private Spinner portSpinner;
	private Spinner timeoutSpinner;
	private Text usernameText;
	private Text passwordText;
	private boolean isEditable;
	private final String[] gatewayNames;

	public GatewayConfigDialog(Shell parent, String[] gatewayNames) {
	super(parent);
	isEditable = true;
	this.gatewayNames = gatewayNames;
	this.username = "";
	this.password = "";
	}

	public GatewayConfigDialog(Shell parent, String name, String address, int port, int timeout, String username, String password,int version) {
	super(parent);
	this.name = name;
	this.address = address;
	this.version = version;
	this.port = port;
	this.timeout = timeout;
	this.isEditable = false;
	this.gatewayNames = null;
	this.username = username;
	this.password = password;
	}

	public GatewayHttpConfig getGateway() {
	return new GatewayHttpConfig(name, address, port, timeout, username, password, version);
	}

	@Override
	public void create() {
	super.create();
	setTitle("New gateway configuration");
	validateAll(gatewayNames);
	}

	@Override
	protected Control createDialogArea(Composite parent) {
	Composite area = (Composite) super.createDialogArea(parent);

	// container with two columns
	Composite container = new Composite(area, SWT.NONE);
	container.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, true));
	container.setLayout(new GridLayout(2, false));

	// text fields
	nameText = createTextField(container, "Configuration Name", gatewayNames, name, isEditable, false);
	addressText = createTextField(container, "Address", gatewayNames, address, true, false);
	addressText.setToolTipText("The address of the gateway.\navailable addresses:\nhttp://localhost\nhttp://192.168.1.69\nlocalhost\n192.168.1.69");

	versionList = createList(container, "Version", new String[] {"1","2"}, version);

	// Spinner fields
	portSpinner = createSpinnerField(container, "Port", 10000, port);
	timeoutSpinner = createSpinnerField(container, "Timeout (ms)", 60000, timeout);

	// credentials
	usernameText = createTextField(container, "Username", new String[0], username, true, false);
	passwordText = createTextField(container, "Password", new String[0], password, true, true);

	return area;
	}

	private Text createTextField(Composite container, String label, final String[] gatewayNames, String initValue, boolean readOnly, boolean ispassword) {

	// label
	new Label(container, SWT.NONE).setText(label);

	// field
	Text text = new Text(container, SWT.BORDER);
	if (ispassword)
	text.setEchoChar('*');
	text.setText(initValue);
	text.setEditable(readOnly);
	text.setLayoutData(new GridData(GridData.FILL, SWT.TOP, true, false));


	// listeners
	text.addFocusListener(new FocusListener() {
	@Override
	public void focusGained(FocusEvent e) {}
	@Override
	public void focusLost(FocusEvent e) {
	validateAll(gatewayNames);
	}
	});
	text.addKeyListener(new KeyListener() {
	@Override
	public void keyPressed(KeyEvent e) {}
	@Override
	public void keyReleased(KeyEvent e) {
	validateAll(gatewayNames);
	}
	});

	return text;
	}

	private Spinner createSpinnerField(Composite container, String label, int maximum, int initValue) {

	// label
	new Label(container, SWT.NONE).setText(label);

	// field
	Spinner portSpinner = new Spinner(container, SWT.BORDER);
	portSpinner.setMaximum(maximum);
	portSpinner.setSelection(initValue);
	portSpinner.setLayoutData(new GridData(GridData.FILL, SWT.TOP, true, false));

	return portSpinner;
	}


	private Combo createList(Composite container, String label, String[] versions, int initValue) {
	// label
	new Label(container, SWT.NONE).setText(label);
	// label
	Combo list = new Combo(container, SWT.DROP_DOWN);
	list.setLayoutData(new GridData(GridData.FILL, SWT.TOP, true, false));

	// field
	int i=0;
	for(;i<versions.length;i++) {
	if(Integer.parseInt(versions[i]) == initValue)
	break;
	}
	final AtomicInteger index = new AtomicInteger(i);
	list.setItems(versions);
	list.select(i);
	list.addSelectionListener(new SelectionListener() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	Combo c = ((Combo)e.getSource());
	GatewayConfigDialog.this.version = Integer.parseInt(c.getItem(c.getSelectionIndex()));
	}

	@Override
	public void widgetDefaultSelected(SelectionEvent e) {
	}
	});
	return list;
	}

	protected void createButtonsForButtonBar(Composite parent) {
	createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
	createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
	}

	@Override
	protected void okPressed() {
	this.name = nameText.getText();
	this.address = addressText.getText();
	this.port = portSpinner.getSelection();
	this.timeout = timeoutSpinner.getSelection();
	this.username = usernameText.getText();
	this.password = passwordText.getText();
	this.version = Integer.parseInt(versionList.getItem(versionList.getSelectionIndex()));
	super.okPressed();
	}

	// ==========
	// Validation
	// ==========

	private void validateAll(String[] gatewayNames) {
	String error = getError(gatewayNames);
	if (error != null) {
	setErrorMessage(error);
	getButton(OK).setEnabled(false);
	} else {
	setErrorMessage(null);
	getButton(OK).setEnabled(true);
	}
	}

	private String getError(String[] gatewayNames) {
	String nameError = checkName(gatewayNames);
	if (nameError != null) {
	return nameError;
	}

	String addressError = checkAddress();
	if (addressError != null) {
	return addressError;
	}

	return null;
	}

	private String checkName(String[] gatewayNames) {
	String name = nameText.getText();
	if (name.trim().equals("")) {
	return "The configuration name must be set";
	}
	if (gatewayNames != null) {
	for (String gatewayName : gatewayNames) {
	if (gatewayName.trim().equals(name.trim()))
	return "The gateway " + name + " already exists";
	}
	}

	return null;
	}

	private String checkAddress() {
	String address = addressText.getText().trim();
	if (address.equals("")) {
	return "The gateway address must be set";
	}

	boolean isLocalhost = address.equals("localhost") \|\| address.equals("http://localhost");
	boolean isIPv4 = address.matches("^(http://\|https://)?[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$");
	boolean isDnsName = address.matches("^(http://\|https://)?[0-9A-Za-z\\.]+\\.[A-Za-z]{2,8}$");
	if (!isLocalhost && !isIPv4 & !isDnsName) {
	return "The gateway address is not well formed";
	}

	return null;
	}
	}