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/*******************************************************************************
* Copyright (c) 2000, 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.team.internal.ui.synchronize.actions;
import org.eclipse.jface.action.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
public class StatusLineCLabelContribution extends ContributionItem {
public final static int DEFAULT_CHAR_WIDTH = 40;
private int charWidth;
private CLabel label;
private Image image;
private String text = ""; //$NON-NLS-1$
private int widthHint = -1;
private int heightHint = -1;
private Listener listener;
private int eventType;
private String tooltip;
public StatusLineCLabelContribution(String id, int charWidth) {
super(id);
this.charWidth = charWidth;
setVisible(false); // no text to start with
}
public void fill(Composite parent) {
Label sep = new Label(parent, SWT.SEPARATOR);
label = new CLabel(parent, SWT.SHADOW_NONE);
StatusLineLayoutData statusLineLayoutData = new StatusLineLayoutData();
if (widthHint < 0) {
GC gc = new GC(parent);
gc.setFont(parent.getFont());
FontMetrics fm = gc.getFontMetrics();
widthHint = fm.getAverageCharWidth() * charWidth;
heightHint = fm.getHeight();
gc.dispose();
}
statusLineLayoutData.widthHint = widthHint;
label.setLayoutData(statusLineLayoutData);
label.setText(text);
label.setImage(image);
if(listener != null) {
label.addListener(eventType, listener);
}
if(tooltip != null) {
label.setToolTipText(tooltip);
}
statusLineLayoutData = new StatusLineLayoutData();
statusLineLayoutData.heightHint = heightHint;
sep.setLayoutData(statusLineLayoutData);
}
public void addListener(int eventType, Listener listener) {
this.eventType = eventType;
this.listener = listener;
}
public void setText(String text) {
if (text == null)
throw new NullPointerException();
this.text = text;
if (label != null && !label.isDisposed())
label.setText(this.text);
if (this.text.length() == 0) {
if (isVisible()) {
setVisible(false);
IContributionManager contributionManager = getParent();
if (contributionManager != null)
contributionManager.update(true);
}
} else {
if (!isVisible()) {
setVisible(true);
IContributionManager contributionManager = getParent();
if (contributionManager != null)
contributionManager.update(true);
}
}
}
public void setTooltip(String tooltip) {
if (tooltip == null)
throw new NullPointerException();
this.tooltip = tooltip;
if (label != null && !label.isDisposed()) {
label.setToolTipText(this.tooltip);
}
}
public void setImage(Image image) {
if (image == null)
throw new NullPointerException();
this.image = image;
if (label != null && !label.isDisposed())
label.setImage(this.image);
if (!isVisible()) {
setVisible(true);
IContributionManager contributionManager = getParent();
if (contributionManager != null)
contributionManager.update(true);
}
}
}
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