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/*******************************************************************************
* Copyright (c) 2001, 2015 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
* Mickael ADAM (ALL4TEC) - mickael.adam@all4tec.net - copy it in Papyrus from org.eclipse.ui because is not API.
*******************************************************************************/
package org.eclipse.papyrus.infra.properties.ui.widgets;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.forms.IFormColors;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
/**
* The title in the tabbed property sheet page.
*
* @author Anthony Hunter
* @since 2.0
*/
public class TabbedPropertyTitle
extends Composite {
private CLabel label;
private Image image = null;
private String text = null;
private static final String BLANK = ""; //$NON-NLS-1$
private static final String TITLE_FONT = "org.eclipse.ui.internal.views.properties.tabbed.view.TabbedPropertyTitle"; //$NON-NLS-1$
private TabbedPropertySheetWidgetFactory factory;
/**
* Constructor for TabbedPropertyTitle.
*
* @param parent
* the parent composite.
* @param factory
* the widget factory for the tabbed property sheet
*/
public TabbedPropertyTitle(Composite parent,
TabbedPropertySheetWidgetFactory factory) {
super(parent, SWT.NO_FOCUS);
this.factory = factory;
this.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
if (image == null && (text == null || text.equals(BLANK))) {
label.setVisible(false);
} else {
label.setVisible(true);
drawTitleBackground(e);
}
}
});
factory.getColors().initializeSectionToolBarColors();
setBackground(factory.getColors().getBackground());
setForeground(factory.getColors().getForeground());
FormLayout layout = new FormLayout();
layout.marginWidth = 1;
layout.marginHeight = 2;
setLayout(layout);
Font font;
if (!JFaceResources.getFontRegistry().hasValueFor(TITLE_FONT)) {
FontData[] fontData = JFaceResources.getFontRegistry().getBold(
JFaceResources.DEFAULT_FONT).getFontData();
/* title font is 2pt larger than that used in the tabs. */
fontData[0].setHeight(fontData[0].getHeight() + 2);
JFaceResources.getFontRegistry().put(TITLE_FONT, fontData);
}
font = JFaceResources.getFont(TITLE_FONT);
label = factory.createCLabel(this, BLANK);
label.setBackground(new Color[] {
factory.getColors().getColor(IFormColors.H_GRADIENT_END),
factory.getColors().getColor(IFormColors.H_GRADIENT_START) },
new int[] { 100 }, true);
label.setFont(font);
label.setForeground(factory.getColors().getColor(IFormColors.TITLE));
FormData data = new FormData();
data.left = new FormAttachment(0, 0);
data.top = new FormAttachment(0, 0);
data.right = new FormAttachment(100, 0);
data.bottom = new FormAttachment(100, 0);
label.setLayoutData(data);
/*
* setImage(PlatformUI.getWorkbench().getSharedImages().getImage(
* ISharedImages.IMG_OBJ_ELEMENT));
*/
}
/**
* @param e
*/
protected void drawTitleBackground(PaintEvent e) {
Rectangle bounds = getClientArea();
label.setBackground(new Color[] {
factory.getColors().getColor(IFormColors.H_GRADIENT_END),
factory.getColors().getColor(IFormColors.H_GRADIENT_START) },
new int[] { 100 }, true);
Color bg = factory.getColors().getColor(IFormColors.H_GRADIENT_END);
Color gbg = factory.getColors().getColor(IFormColors.H_GRADIENT_START);
GC gc = e.gc;
gc.setForeground(bg);
gc.setBackground(gbg);
gc.fillGradientRectangle(bounds.x, bounds.y, bounds.width,
bounds.height, true);
// background bottom separator
gc.setForeground(factory.getColors().getColor(
IFormColors.H_BOTTOM_KEYLINE1));
gc.drawLine(bounds.x, bounds.height - 2, bounds.x + bounds.width - 1,
bounds.height - 2);
gc.setForeground(factory.getColors().getColor(
IFormColors.H_BOTTOM_KEYLINE2));
gc.drawLine(bounds.x, bounds.height - 1, bounds.x + bounds.width - 1,
bounds.height - 1);
}
/**
* Set the text label.
*
* @param text
* the text label.
* @param image
* the image for the label.
*/
public void setTitle(String text, Image image) {
this.text = text;
this.image = image;
if (text != null) {
label.setText(text);
} else {
label.setText(BLANK);
}
label.setImage(image);
redraw();
}
}
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