| gvSIG desktop 1

import com.iver.andami.ui.fonts.FontUtils;

    			FontUtils.initFonts();

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.andami.ui.fonts;

import java.awt.Font;

import java.awt.GraphicsEnvironment;

import java.util.HashSet;

import java.util.Iterator;

import java.util.Locale;

import javax.swing.UIManager;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.Messages;

/**

 * Several methods to manage the user interface fonts.

 * 

 * @author Cesar Martinez Izquierdo <cesar.martinez@iver.es>

 *

 */

public class FontUtils {

	/**

	 * Changes the default UIManager font to the provided font.

	 * 

	 * @param fontName

	 */

	public static void setFont(String fontName) {

		String[] fieldList = {

				"Button.font",

				"CheckBox.font",

				"CheckBoxMenuItem.font",

				"ColorChooser.font",

				"ComboBox.font",

				"DesktopIcon.font",

				"EditorPane.font",

				"FormattedTextField.font",

				"Label.font",

				"List.font",

				"Menu.font",

				"MenuBar.font",

				"MenuItem.font",

				"OptionPane.font",

				"Panel.font",

				"PasswordField.font",

				"PopupMenu.font",

				"ProgressBar.font",

				"RadioButton.font",

				"RadioButtonMenuItem.font",

				"ScrollPane.font",

				"Slider.font",

				"Spinner.font",

				"TabbedPane.font",

				"Table.font",

				"TableHeader.font",

				"TextArea.font",

				"TextField.font",

				"TextPane.font",

				"TitledBorder.font",

				"ToggleButton.font",

				"ToolBar.font",

				"ToolTip.font",

				"Tree.font",

				"Viewport.font"

		} ;

		Font font;

		for (int i = fieldList.length-1; i>=0; i--) {

			font = UIManager.getFont(fieldList[i]);

			if (font!=null)

				UIManager.put(fieldList[i], new Font(fontName, Font.PLAIN, font.getSize()));

		}

	}

	/**

	 * Inits the UIManager fonts, so that it can display current's language

	 * symbols. The font is only changed when necessary.

	 */

	public static void initFonts() {

		// conservative behaviour: we just change the font, if the default one

		// can't correctly display the current language

	//	UIManager.getLookAndFeel().getDefaults()

		Font defaultFont = UIManager.getFont("Label.font");

		if (defaultFont==null) return;

		//PluginServices.getLogger().info("InitialDefaultFont: "+defaultFont.getName());

		if (defaultFont.canDisplayUpTo(Messages.getString("MDIFrame.quiere_salir"))==-1)

				return;

		Font[] allfonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();

		HashSet workingFonts = new HashSet();

		for (int i=allfonts.length-1; i>=0; i--) {

			if (allfonts[i].canDisplayUpTo(Messages.getString("MDIFrame.quiere_salir"))==-1) {

				workingFonts.add(allfonts[i].getName());

			}

		}

		// try to set the preferred font

		String[] preferredFonts = getPreferedFonts(Locale.getDefault().getLanguage());

		for (int i=0;i<preferredFonts.length; i++) {

			if (workingFonts.contains(preferredFonts[i])){

				setFont(preferredFonts[i]);

				PluginServices.getLogger().info("FontSet: "+preferredFonts[i]);

				return;

			}

		}

		// try to set any working font

		Iterator iterator = workingFonts.iterator();

		if (iterator.hasNext()) {

			String fontName = (String) iterator.next();

			setFont(fontName);

			PluginServices.getLogger().info("FontSet: "+fontName);	

		}

	}

	/**

	 * Returns an ordered list of preferred fonts for the provided language.

	 * As there is several fonts which can be used to display each language,

	 * this list provides a hint about which is the more suitable font for

	 * this language.

	 * 

	 * This method does not check whether the fonts are available in the

	 * running system.

	 * 

	 * @param lang

	 * @return

	 */

	private static String [] getPreferedFonts(String lang) {

		//TODO this should be read from a file, for each language

		if (lang.equals("zh")) {

			String []preferredChineseFonts = {

					"AR PL KaitiM GB",

					"AR PL SungtiL GB",

					"Kochi Gothic",

					"SimSun"

			} ;

			return preferredChineseFonts;

		}

		return new String[0];

	}

	private static void listSystemFonts() {

		Font[] allfonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();

		for (int i=allfonts.length-1; i>=0; i--) {

			System.out.println(allfonts[i].getName()+" --- "+allfonts[i].getFontName());

		}

	}

}