UIUtil.java

/*
 * This file is part of DeskBin.
 *
 * Copyright (c) 2012, alta189 <http://github.com/alta189/DeskBin/>
 * DeskBin is licensed under the GNU Lesser General Public License.
 *
 * DeskBin is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DeskBin is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.alta189.deskbin.util;

import java.awt.Component;
import java.awt.Desktop;
import java.awt.Dimension;
import java.awt.Font;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;

import javax.swing.JComponent;
import javax.swing.JOptionPane;
import javax.swing.UIManager;

/**
 * UI utility methods.
 *
 * @author sk89q
 */
public class UIUtil {

	private static String[] monospaceFontNames = {"Consolas", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Lucida Console"};

	private UIUtil() {
	}

	/**
	 * Browse to a folder.
	 *
	 * @param file
	 * @param component
	 */
	public static void browse(File file, Component component) {
		try {
			Desktop.getDesktop().browse(new URL("file://" + file.getAbsolutePath()).toURI());
		} catch (IOException e) {
			JOptionPane.showMessageDialog(component, "Unable to open '" + file.getAbsolutePath() + "'. Maybe it doesn't exist?", "Open failed", JOptionPane.ERROR_MESSAGE);
		} catch (URISyntaxException ignore) {
		}
	}

	/**
	 * Opens a URL.
	 *
	 * @param url
	 * @param component
	 */
	public static void openURL(String url, Component component) {
		try {
			openURL(new URL(url), component);
		} catch (MalformedURLException ignore) {
		}
	}

	/**
	 * Opens a URL.
	 *
	 * @param url
	 * @param component
	 */
	public static void openURL(URL url, Component component) {
		try {
			Desktop.getDesktop().browse(url.toURI());
		} catch (IOException e) {
			JOptionPane.showMessageDialog(component, "Unable to open '" + url + "'", "Open failed", JOptionPane.ERROR_MESSAGE);
		} catch (URISyntaxException ignore) {
		}
	}

	/**
	 * Shows an error dialog.
	 *
	 * @param component component
	 * @param title     title
	 * @param message   message
	 */
	public static void showError(Component component, String title, String message) {
		JOptionPane.showMessageDialog(component, message, title, JOptionPane.ERROR_MESSAGE);
	}

	/**
	 * Equalize the width of the given components.
	 *
	 * @param component component
	 */
	public static void equalWidth(Component... component) {
		double widest = 0;
		for (Component comp : component) {
			Dimension dim = comp.getPreferredSize();
			if (dim.getWidth() > widest) {
				widest = dim.getWidth();
			}
		}

		for (Component comp : component) {
			Dimension dim = comp.getPreferredSize();
			comp.setPreferredSize(new Dimension((int) widest, (int) dim.getHeight()));
		}
	}

	/**
	 * Remove all the opaqueness of the given components and child components.
	 *
	 * @param components list of components
	 */
	public static void removeOpaqueness(Component... components) {
		for (Component component : components) {
			if (component instanceof JComponent) {
				JComponent jComponent = (JComponent) component;
				jComponent.setOpaque(false);
				removeOpaqueness(jComponent.getComponents());
			}
		}
	}

	/**
	 * Get a supported monospace font.
	 *
	 * @return font
	 */
	public static Font getMonospaceFont() {
		for (String fontName : monospaceFontNames) {
			Font font = Font.decode(fontName + "-11");
			if (!font.getFamily().equalsIgnoreCase("Dialog")) { return font; }
		}
		return new Font("Monospace", Font.PLAIN, 11);
	}

	/**
	 * Sets the default Look and Feel
	 */
	public static void setLookAndFeel() {
		if (PlatformUtils.getOperatingSystem() == PlatformUtils.OS.MAC_OS) {
			System.setProperty("apple.laf.useScreenMenuBar", "true");
			System.setProperty("com.apple.mrj.application.apple.menu.about.name", "DeskBin");
		}
		try {
			boolean laf = false;
			if (PlatformUtils.getOperatingSystem() == PlatformUtils.OS.WINDOWS) {
				//This bypasses the expensive reflection calls
				try {
					UIManager.setLookAndFeel(new com.sun.java.swing.plaf.windows.WindowsLookAndFeel());
					laf = true;
				} catch (Exception ignore) { }
			}

			if (!laf) {
				//Can't guess the laf for other os's as easily
				UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
			}
		} catch (Exception e) {
			System.out.println("There was an error setting the Look and Feel: " + e);
		}
	}
}