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PWLabel.java
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PWLabel.java
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/*******************************************************************************
* Copyright (c) 2011 Laurent CARON
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors: Laurent CARON (laurent.caron at gmail dot com) - Initial
* implementation and API
*******************************************************************************/
package org.eclipse.nebula.widgets.opal.preferencewindow.widgets;
import org.eclipse.nebula.widgets.opal.commons.SWTGraphicUtil;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* Instances of this class are labels, that could contain some HTML tags (B,I,U)
*/
public class PWLabel extends PWWidget {
private StyledText labelWidget;
/**
* Constructor
*
* @param label associated label
*/
public PWLabel(final String label) {
super(label, null, 1, true);
setAlignment(GridData.FILL);
setGrabExcessSpace(true);
}
@Override
public Control build(final Composite parent) {
if (getLabel() == null) {
throw new UnsupportedOperationException("You need to set a description for a PWLabel object");
}
labelWidget = new StyledText(parent, SWT.WRAP | SWT.READ_ONLY);
labelWidget.setEnabled(false);
labelWidget.setBackground(parent.getBackground());
labelWidget.setText(getLabel());
SWTGraphicUtil.applyHTMLFormating(labelWidget);
return labelWidget;
}
@Override
public void check() {
}
@Override
public boolean enableOrDisable() {
if (enabler == null) {
return true;
}
final boolean enabled = enabler.isEnabled();
if (!labelWidget.isDisposed()) {
if (enabled) {
labelWidget.setForeground(labelWidget.getDisplay().getSystemColor(SWT.COLOR_BLACK));
} else {
labelWidget.setForeground(labelWidget.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY));
}
}
return enabled;
}
}