taverna-configuration-impl/src/main/java/org/apache/taverna/workbench/ui/impl/configuration/WorkbenchConfigurationPanel.java - incubator-taverna-workbench - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.apache.taverna.workbench.ui.impl.configuration;

 import static java.awt.GridBagConstraints.*;
 import static javax.swing.JFileChooser.APPROVE_OPTION;
 import static javax.swing.JOptionPane.INFORMATION_MESSAGE;
 import static javax.swing.JOptionPane.WARNING_MESSAGE;
 import static javax.swing.JOptionPane.showMessageDialog;
 import static org.apache.taverna.workbench.helper.Helper.showHelp;
 import static org.apache.taverna.workbench.icons.WorkbenchIcons.openIcon;

 import java.awt.Component;
 import java.awt.FlowLayout;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Insets;
 import java.awt.event.ActionEvent;

 import javax.swing.AbstractAction;
 import javax.swing.JButton;
 import javax.swing.JCheckBox;
 import javax.swing.JFileChooser;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JTextArea;
 import javax.swing.JTextField;
 import javax.swing.border.EmptyBorder;

 import org.apache.taverna.workbench.configuration.workbench.WorkbenchConfiguration;

 import org.apache.log4j.Logger;

 @SuppressWarnings("serial")
 public class WorkbenchConfigurationPanel extends JPanel {
 	private static final String RESTART_MSG = "For the new configuration to be fully applied, it is advised to restart Taverna.";
 	private static final String DOT_PATH_MSG = "Path to Graphviz executable <code>dot</code>:";
 	private static final String CONTEXT_MENU_SIZE_MSG = "Maximum number of services/ports in right-click menu:";
 	private static Logger logger = Logger
 			.getLogger(WorkbenchConfigurationUIFactory.class);

 	private JTextField dotLocation = new JTextField(25);
 	private JTextField menuItems = new JTextField(10);
 	private JCheckBox warnInternal = new JCheckBox("Warn on internal errors");
 	private JCheckBox captureConsole = new JCheckBox(
 			"Capture output on stdout/stderr to log file");

 	private final WorkbenchConfiguration workbenchConfiguration;

 	public WorkbenchConfigurationPanel(
 			WorkbenchConfiguration workbenchConfiguration) {
 		super();
 		this.workbenchConfiguration = workbenchConfiguration;
 		initComponents();
 	}

 	private static JLabel htmlLabel(String html) {
 		return new JLabel("<html><body>" + html + "</body></html>");
 	}

 	private void initComponents() {
 		this.setLayout(new GridBagLayout());
 		GridBagConstraints gbc = new GridBagConstraints();

 		// Title describing what kind of settings we are configuring here
 		JTextArea descriptionText = new JTextArea(
 				"General Workbench configuration");
 		descriptionText.setLineWrap(true);
 		descriptionText.setWrapStyleWord(true);
 		descriptionText.setEditable(false);
 		descriptionText.setFocusable(false);
 		descriptionText.setBorder(new EmptyBorder(10, 10, 10, 10));
 		gbc.anchor = WEST;
 		gbc.gridx = 0;
 		gbc.gridy = 0;
 		gbc.gridwidth = 2;
 		gbc.weightx = 1.0;
 		gbc.weighty = 0.0;
 		gbc.fill = HORIZONTAL;
 		this.add(descriptionText, gbc);

 		gbc.gridx = 0;
 		gbc.gridy = 1;
 		gbc.gridwidth = 2;
 		gbc.weightx = 0.0;
 		gbc.weighty = 0.0;
 		gbc.insets = new Insets(10, 5, 0, 0);
 		gbc.fill = NONE;
 		this.add(htmlLabel(DOT_PATH_MSG), gbc);

 		dotLocation.setText(workbenchConfiguration.getDotLocation());
 		gbc.gridy++;
 		gbc.gridwidth = 1;
 		gbc.weightx = 1.0;
 		gbc.insets = new Insets(0, 0, 0, 0);
 		gbc.fill = HORIZONTAL;
 		this.add(dotLocation, gbc);

 		JButton browseButton = new JButton();
 		gbc.gridx = 1;
 		gbc.weightx = 0.0;
 		gbc.fill = NONE;
 		this.add(browseButton, gbc);
 		browseButton.setAction(new AbstractAction() {
 			@Override
 			public void actionPerformed(ActionEvent e) {
 				System.setProperty("com.apple.macos.use-file-dialog-packages",
 						"false");
 				JFileChooser fileChooser = new JFileChooser();
 				fileChooser.putClientProperty(
 						"JFileChooser.appBundleIsTraversable", "always");
 				fileChooser.putClientProperty(
 						"JFileChooser.packageIsTraversable", "always");

 				fileChooser.setDialogTitle("Browse for dot");

 				fileChooser.resetChoosableFileFilters();
 				fileChooser.setAcceptAllFileFilterUsed(false);

 				fileChooser.setMultiSelectionEnabled(false);

 				int returnVal = fileChooser
 						.showOpenDialog(WorkbenchConfigurationPanel.this);
 				if (returnVal == APPROVE_OPTION)
 					dotLocation.setText(fileChooser.getSelectedFile()
 							.getAbsolutePath());
 			}
 		});
 		browseButton.setIcon(openIcon);

 		gbc.gridx = 0;
 		gbc.gridy++;
 		gbc.gridwidth = 2;
 		gbc.weightx = 0.0;
 		gbc.weighty = 0.0;
 		gbc.insets = new Insets(10, 5, 0, 0);
 		gbc.fill = HORIZONTAL;
 		this.add(htmlLabel(CONTEXT_MENU_SIZE_MSG), gbc);

 		menuItems.setText(Integer.toString(workbenchConfiguration
 				.getMaxMenuItems()));
 		gbc.gridy++;
 		gbc.weightx = 1.0;
 		gbc.gridwidth = 1;
 		gbc.insets = new Insets(0, 0, 0, 0);
 		gbc.fill = HORIZONTAL;
 		this.add(menuItems, gbc);

 		gbc.gridx = 0;
 		gbc.gridy++;
 		gbc.gridwidth = 2;
 		gbc.weightx = 1.0;
 		gbc.fill = HORIZONTAL;
 		gbc.insets = new Insets(10, 0, 0, 0);
 		warnInternal
 				.setSelected(workbenchConfiguration.getWarnInternalErrors());
 		this.add(warnInternal, gbc);

 		gbc.gridy++;
 		gbc.insets = new Insets(0, 0, 10, 0);
 		captureConsole.setSelected(workbenchConfiguration.getCaptureConsole());
 		this.add(captureConsole, gbc);

 		// Add the buttons panel
 		gbc.gridx = 0;
 		gbc.gridy++;
 		gbc.gridwidth = 3;
 		gbc.weightx = 1.0;
 		gbc.weighty = 1.0;
 		gbc.fill = BOTH;
 		gbc.anchor = SOUTH;
 		this.add(getButtonsPanel(), gbc);
 	}

 	private Component getButtonsPanel() {
 		final JPanel panel = new JPanel();
 		panel.setLayout(new FlowLayout(FlowLayout.CENTER));

 		/**
 		 * The helpButton shows help about the current component
 		 */
 		JButton helpButton = new JButton(new AbstractAction("Help") {
 			@Override
 			public void actionPerformed(ActionEvent arg0) {
 				showHelp(panel);
 			}
 		});
 		panel.add(helpButton);

 		/**
 		 * The resetButton changes the property values shown to those
 		 * corresponding to the configuration currently applied.
 		 */
 		JButton resetButton = new JButton(new AbstractAction("Reset") {
 			@Override
 			public void actionPerformed(ActionEvent arg0) {
 				resetFields();
 			}
 		});
 		panel.add(resetButton);

 		JButton applyButton = new JButton(new AbstractAction("Apply") {
 			@Override
 			public void actionPerformed(ActionEvent arg0) {
 				String menus = menuItems.getText();
 				try {
 					workbenchConfiguration.setMaxMenuItems(Integer
 							.valueOf(menus));
 				} catch (IllegalArgumentException e) {
 					String message = "Invalid menu items number " + menus
 							+ ":\n" + e.getLocalizedMessage();
 					showMessageDialog(panel, message, "Invalid menu items",
 							WARNING_MESSAGE);
 					return;
 				}

 				workbenchConfiguration.setCaptureConsole(captureConsole
 						.isSelected());
 				workbenchConfiguration.setWarnInternalErrors(warnInternal
 						.isSelected());
 				workbenchConfiguration.setDotLocation(dotLocation.getText());
 				try {
 					showMessageDialog(panel, RESTART_MSG, "Restart adviced",
 							INFORMATION_MESSAGE);
 				} catch (Exception e) {
 					logger.error("Error storing updated configuration", e);
 				}
 			}
 		});
 		panel.add(applyButton);
 		return panel;
 	}

 	/**
 	 * Resets the shown field values to those currently set (last saved) in the
 	 * configuration.
 	 *
 	 * @param configurable
 	 */
 	private void resetFields() {
 		menuItems.setText(Integer.toString(workbenchConfiguration
 				.getMaxMenuItems()));
 		dotLocation.setText(workbenchConfiguration.getDotLocation());
 		warnInternal
 				.setSelected(workbenchConfiguration.getWarnInternalErrors());
 		captureConsole.setSelected(workbenchConfiguration.getCaptureConsole());
 	}
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package org.apache.taverna.workbench.ui.impl.configuration;

	import static java.awt.GridBagConstraints.*;
	import static javax.swing.JFileChooser.APPROVE_OPTION;
	import static javax.swing.JOptionPane.INFORMATION_MESSAGE;
	import static javax.swing.JOptionPane.WARNING_MESSAGE;
	import static javax.swing.JOptionPane.showMessageDialog;
	import static org.apache.taverna.workbench.helper.Helper.showHelp;
	import static org.apache.taverna.workbench.icons.WorkbenchIcons.openIcon;

	import java.awt.Component;
	import java.awt.FlowLayout;
	import java.awt.GridBagConstraints;
	import java.awt.GridBagLayout;
	import java.awt.Insets;
	import java.awt.event.ActionEvent;

	import javax.swing.AbstractAction;
	import javax.swing.JButton;
	import javax.swing.JCheckBox;
	import javax.swing.JFileChooser;
	import javax.swing.JLabel;
	import javax.swing.JPanel;
	import javax.swing.JTextArea;
	import javax.swing.JTextField;
	import javax.swing.border.EmptyBorder;

	import org.apache.taverna.workbench.configuration.workbench.WorkbenchConfiguration;

	import org.apache.log4j.Logger;

	@SuppressWarnings("serial")
	public class WorkbenchConfigurationPanel extends JPanel {
	private static final String RESTART_MSG = "For the new configuration to be fully applied, it is advised to restart Taverna.";
	private static final String DOT_PATH_MSG = "Path to Graphviz executable <code>dot</code>:";
	private static final String CONTEXT_MENU_SIZE_MSG = "Maximum number of services/ports in right-click menu:";
	private static Logger logger = Logger
	.getLogger(WorkbenchConfigurationUIFactory.class);

	private JTextField dotLocation = new JTextField(25);
	private JTextField menuItems = new JTextField(10);
	private JCheckBox warnInternal = new JCheckBox("Warn on internal errors");
	private JCheckBox captureConsole = new JCheckBox(
	"Capture output on stdout/stderr to log file");

	private final WorkbenchConfiguration workbenchConfiguration;

	public WorkbenchConfigurationPanel(
	WorkbenchConfiguration workbenchConfiguration) {
	super();
	this.workbenchConfiguration = workbenchConfiguration;
	initComponents();
	}

	private static JLabel htmlLabel(String html) {
	return new JLabel("<html><body>" + html + "</body></html>");
	}

	private void initComponents() {
	this.setLayout(new GridBagLayout());
	GridBagConstraints gbc = new GridBagConstraints();

	// Title describing what kind of settings we are configuring here
	JTextArea descriptionText = new JTextArea(
	"General Workbench configuration");
	descriptionText.setLineWrap(true);
	descriptionText.setWrapStyleWord(true);
	descriptionText.setEditable(false);
	descriptionText.setFocusable(false);
	descriptionText.setBorder(new EmptyBorder(10, 10, 10, 10));
	gbc.anchor = WEST;
	gbc.gridx = 0;
	gbc.gridy = 0;
	gbc.gridwidth = 2;
	gbc.weightx = 1.0;
	gbc.weighty = 0.0;
	gbc.fill = HORIZONTAL;
	this.add(descriptionText, gbc);

	gbc.gridx = 0;
	gbc.gridy = 1;
	gbc.gridwidth = 2;
	gbc.weightx = 0.0;
	gbc.weighty = 0.0;
	gbc.insets = new Insets(10, 5, 0, 0);
	gbc.fill = NONE;
	this.add(htmlLabel(DOT_PATH_MSG), gbc);

	dotLocation.setText(workbenchConfiguration.getDotLocation());
	gbc.gridy++;
	gbc.gridwidth = 1;
	gbc.weightx = 1.0;
	gbc.insets = new Insets(0, 0, 0, 0);
	gbc.fill = HORIZONTAL;
	this.add(dotLocation, gbc);

	JButton browseButton = new JButton();
	gbc.gridx = 1;
	gbc.weightx = 0.0;
	gbc.fill = NONE;
	this.add(browseButton, gbc);
	browseButton.setAction(new AbstractAction() {
	@Override
	public void actionPerformed(ActionEvent e) {
	System.setProperty("com.apple.macos.use-file-dialog-packages",
	"false");
	JFileChooser fileChooser = new JFileChooser();
	fileChooser.putClientProperty(
	"JFileChooser.appBundleIsTraversable", "always");
	fileChooser.putClientProperty(
	"JFileChooser.packageIsTraversable", "always");

	fileChooser.setDialogTitle("Browse for dot");

	fileChooser.resetChoosableFileFilters();
	fileChooser.setAcceptAllFileFilterUsed(false);

	fileChooser.setMultiSelectionEnabled(false);

	int returnVal = fileChooser
	.showOpenDialog(WorkbenchConfigurationPanel.this);
	if (returnVal == APPROVE_OPTION)
	dotLocation.setText(fileChooser.getSelectedFile()
	.getAbsolutePath());
	}
	});
	browseButton.setIcon(openIcon);

	gbc.gridx = 0;
	gbc.gridy++;
	gbc.gridwidth = 2;
	gbc.weightx = 0.0;
	gbc.weighty = 0.0;
	gbc.insets = new Insets(10, 5, 0, 0);
	gbc.fill = HORIZONTAL;
	this.add(htmlLabel(CONTEXT_MENU_SIZE_MSG), gbc);

	menuItems.setText(Integer.toString(workbenchConfiguration
	.getMaxMenuItems()));
	gbc.gridy++;
	gbc.weightx = 1.0;
	gbc.gridwidth = 1;
	gbc.insets = new Insets(0, 0, 0, 0);
	gbc.fill = HORIZONTAL;
	this.add(menuItems, gbc);

	gbc.gridx = 0;
	gbc.gridy++;
	gbc.gridwidth = 2;
	gbc.weightx = 1.0;
	gbc.fill = HORIZONTAL;
	gbc.insets = new Insets(10, 0, 0, 0);
	warnInternal
	.setSelected(workbenchConfiguration.getWarnInternalErrors());
	this.add(warnInternal, gbc);

	gbc.gridy++;
	gbc.insets = new Insets(0, 0, 10, 0);
	captureConsole.setSelected(workbenchConfiguration.getCaptureConsole());
	this.add(captureConsole, gbc);

	// Add the buttons panel
	gbc.gridx = 0;
	gbc.gridy++;
	gbc.gridwidth = 3;
	gbc.weightx = 1.0;
	gbc.weighty = 1.0;
	gbc.fill = BOTH;
	gbc.anchor = SOUTH;
	this.add(getButtonsPanel(), gbc);
	}

	private Component getButtonsPanel() {
	final JPanel panel = new JPanel();
	panel.setLayout(new FlowLayout(FlowLayout.CENTER));

	/**
	* The helpButton shows help about the current component
	*/
	JButton helpButton = new JButton(new AbstractAction("Help") {
	@Override
	public void actionPerformed(ActionEvent arg0) {
	showHelp(panel);
	}
	});
	panel.add(helpButton);

	/**
	* The resetButton changes the property values shown to those
	* corresponding to the configuration currently applied.
	*/
	JButton resetButton = new JButton(new AbstractAction("Reset") {
	@Override
	public void actionPerformed(ActionEvent arg0) {
	resetFields();
	}
	});
	panel.add(resetButton);

	JButton applyButton = new JButton(new AbstractAction("Apply") {
	@Override
	public void actionPerformed(ActionEvent arg0) {
	String menus = menuItems.getText();
	try {
	workbenchConfiguration.setMaxMenuItems(Integer
	.valueOf(menus));
	} catch (IllegalArgumentException e) {
	String message = "Invalid menu items number " + menus
	+ ":\n" + e.getLocalizedMessage();
	showMessageDialog(panel, message, "Invalid menu items",
	WARNING_MESSAGE);
	return;
	}

	workbenchConfiguration.setCaptureConsole(captureConsole
	.isSelected());
	workbenchConfiguration.setWarnInternalErrors(warnInternal
	.isSelected());
	workbenchConfiguration.setDotLocation(dotLocation.getText());
	try {
	showMessageDialog(panel, RESTART_MSG, "Restart adviced",
	INFORMATION_MESSAGE);
	} catch (Exception e) {
	logger.error("Error storing updated configuration", e);
	}
	}
	});
	panel.add(applyButton);
	return panel;
	}

	/**
	* Resets the shown field values to those currently set (last saved) in the
	* configuration.
	*
	* @param configurable
	*/
	private void resetFields() {
	menuItems.setText(Integer.toString(workbenchConfiguration
	.getMaxMenuItems()));
	dotLocation.setText(workbenchConfiguration.getDotLocation());
	warnInternal
	.setSelected(workbenchConfiguration.getWarnInternalErrors());
	captureConsole.setSelected(workbenchConfiguration.getCaptureConsole());
	}
	}