net.refractions.udig.mapgraphic.style.FontStyleConfigurator.java Source code

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Here is the source code for net.refractions.udig.mapgraphic.style.FontStyleConfigurator.java

Source

/* uDig - User Friendly Desktop Internet GIS client
 * http://udig.refractions.net
 * (C) 2004, Refractions Research Inc.
 *
 * This library 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;
 * version 2.1 of the License.
 *
 * This library 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.
 */
package net.refractions.udig.mapgraphic.style;

import java.awt.Font;

import net.refractions.udig.mapgraphic.MapGraphic;
import net.refractions.udig.mapgraphic.internal.Messages;
import net.refractions.udig.project.IBlackboard;
import net.refractions.udig.project.internal.Layer;
import net.refractions.udig.style.IStyleConfigurator;
import net.refractions.udig.ui.graphics.AWTSWTImageUtils;

import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FontDialog;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;

/**
 * A font chooser for the FontStyle
 * 
 * @author jesse
 * @since 1.1.0
 */
public class FontStyleConfigurator extends IStyleConfigurator {

    private Text label;
    private org.eclipse.swt.graphics.Font swtFont;

    @Override
    public boolean canStyle(Layer layer) {
        return layer.hasResource(MapGraphic.class) && layer.getStyleBlackboard().contains(FontStyleContent.ID);
    }

    @Override
    public void createControl(Composite parent) {
        GridLayout gridLayout = new GridLayout();
        int columns = 1;
        gridLayout.numColumns = columns;
        parent.setLayout(gridLayout);

        Composite group = new Composite(parent, SWT.NONE);
        group.setLayoutData(new GridData(GridData.FILL_BOTH));
        group.setLayout(new GridLayout(2, false));

        label = new Text(group, SWT.BORDER | SWT.WRAP);
        if (swtFont != null) {
            label.setFont(swtFont);
        }
        // This text is formally random :-) http://en.wikipedia.org/wiki/Lorem_ipsum
        label.setText(
                "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."); //$NON-NLS-1$
        label.setLayoutData(new GridData(GridData.FILL_BOTH));

        final Button button = new Button(group, SWT.PUSH);
        button.setText(Messages.Font_ExampleText);
        button.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false, false));

        button.addListener(SWT.Selection, new Listener() {

            public void handleEvent(Event event) {

                final FontDialog dialog = new FontDialog(button.getShell());

                // setup default font
                IBlackboard blackboard = getStyleBlackboard();
                FontStyle fontStyle = (FontStyle) blackboard.get(FontStyleContent.ID);
                if (fontStyle != null) {
                    Font f = fontStyle.getFont();
                    FontData[] fd = AWTSWTImageUtils.awtFontToSwt(f, JFaceResources.getFontRegistry())
                            .getFontData();
                    dialog.setFontList(fd);
                }
                // show dialog and get results
                FontData result = dialog.open();
                if (result != null) {
                    Font awtfont = AWTSWTImageUtils.swtFontToAwt(result);
                    fontStyle.setFont(awtfont);

                    swtFont = AWTSWTImageUtils.awtFontToSwt(awtfont, JFaceResources.getFontRegistry());
                    label.setFont(swtFont);
                    label.setText(label.getText());
                }

            }

        });
    }

    @Override
    protected void refresh() {
        FontStyle fontStyle = (FontStyle) getStyleBlackboard().get(FontStyleContent.ID);

        if (fontStyle.getFont() != null) {
            swtFont = AWTSWTImageUtils.awtFontToSwt(fontStyle.getFont(), JFaceResources.getFontRegistry());
            if (label != null) {
                label.setFont(swtFont);
            }
        }
    }

}