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/*****************************************************************************
* Copyright (c) 2018 EclipseSource and others.
*
* 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:
* EclipseSource - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.infra.ui.fonts.internal.addon;
import java.io.IOException;
import java.net.URL;
import javax.annotation.PostConstruct;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.papyrus.infra.ui.fonts.Activator;
import org.eclipse.swt.widgets.Display;
/**
* <p>
* An E4 Addon to load additional fonts in SWT. This is required to make sure we
* have at least one common Font available on all platforms, that we can use as
* the default for Papyrus.
* </p>
*/
public class FontAddon {
@PostConstruct
public void loadFonts() {
if (Display.getCurrent() == null) {
Display.getDefault().asyncExec(this::loadFonts);
return;
}
loadFonts(new String[] { //
"roboto/Roboto-Regular.ttf", //$NON-NLS-1$
"roboto/Roboto-Italic.ttf", //$NON-NLS-1$
"roboto/Roboto-Bold.ttf", //$NON-NLS-1$
"roboto/Roboto-BoldItalic.ttf", //$NON-NLS-1$
});
}
private void loadFonts(String[] fonts) {
try {
URL fontFolder = new URL("platform:/plugin/" + Activator.PLUGIN_ID + "/fonts/"); //$NON-NLS-1$ //$NON-NLS-2$
for (String font : fonts) {
URL fontURL = new URL(fontFolder, font);
URL fontFileURL = FileLocator.toFileURL(fontURL);
if (fontFileURL == null) {
Activator.getDefault().getLog()
.log(new Status(IStatus.WARNING, Activator.PLUGIN_ID, "Unable to find font " + fontURL)); //$NON-NLS-1$
continue;
}
if (!Display.getCurrent().loadFont(fontFileURL.getFile())) {
Activator.getDefault().getLog().log(new Status(IStatus.WARNING, Activator.PLUGIN_ID,
"Failed to load font " + fontURL + " (Resolved URL: " + fontFileURL + ")")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
continue;
}
}
} catch (IOException ex) {
Activator.getDefault().getLog()
.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to load default fonts", ex)); //$NON-NLS-1$
return;
}
}
}
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