/*******************************************************************************
* Copyright (c) 2005, 2006 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.debug.ui.jres;
import com.ibm.icu.text.MessageFormat;
import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
import org.eclipse.jdt.launching.IVMInstall;
import org.eclipse.jdt.launching.environments.IExecutionEnvironment;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.widgets.Display;
/**
* Decorates JREs to emphasize those that are strictly compatible with an environment.
*
* @since 3.2
*
*/
public class JREsEnvironmentLabelProvider extends JREsLabelProvider implements IFontProvider {
private IExecutionEnvironmentProvider fProvider;
private Font fFont = null;
/**
* Returns the current environment or <code>null</code> id none
*
* @since 3.2
*/
public interface IExecutionEnvironmentProvider {
public IExecutionEnvironment getEnvironment();
}
public JREsEnvironmentLabelProvider(IExecutionEnvironmentProvider provider) {
fProvider = provider;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.LabelProvider#dispose()
*/
public void dispose() {
if (fFont != null) {
fFont.dispose();
}
super.dispose();
}
/* (non-Javadoc)
* @see org.eclipse.jdt.internal.debug.ui.jres.JREsLabelProvider#getText(java.lang.Object)
*/
public String getText(Object element) {
String label = super.getText(element);
if (isStrictlyCompatible(element)) {
label = MessageFormat.format(JREMessages.JREsEnvironmentLabelProvider_0, new String[]{label, JREMessages.JREsEnvironmentLabelProvider_1});
}
return label;
}
private boolean isStrictlyCompatible(Object element) {
IExecutionEnvironment environment = fProvider.getEnvironment();
if (environment != null && element instanceof IVMInstall) {
return environment.isStrictlyCompatible((IVMInstall)element);
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IFontProvider#getFont(java.lang.Object)
*/
public Font getFont(Object element) {
if (isStrictlyCompatible(element)) {
if (fFont == null) {
Font dialogFont = JFaceResources.getDialogFont();
FontData[] fontData = dialogFont.getFontData();
for (int i = 0; i < fontData.length; i++) {
FontData data = fontData[i];
data.setStyle(SWT.BOLD);
}
Display display = JDIDebugUIPlugin.getActiveWorkbenchShell().getDisplay();
fFont = new Font(display, fontData);
}
return fFont;
} else {
return null;
}
}
}
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