org.jboss.tools.central.editors.DescriptionToolTip.java Source code

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Here is the source code for org.jboss.tools.central.editors.DescriptionToolTip.java

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/*************************************************************************************
 * Copyright (c) 2008-2011 Red Hat, Inc. 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:
 *     JBoss by Red Hat - Initial implementation.
 ************************************************************************************/
package org.jboss.tools.central.editors;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Text;

/**
 * 
 * @author snjeza
 *
 */
public class DescriptionToolTip extends ToolTip {

    private String description;

    public DescriptionToolTip(Control control, String description) {
        super(control);
        this.description = description;
        setHideOnMouseDown(true);
        setPopupDelay(400);

    }

    @Override
    protected Composite createToolTipContentArea(Event event, Composite parent) {
        // Create the content area
        parent.setLayout(new GridLayout());
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.marginHeight = 2;
        layout.marginLeft = 2;
        composite.setLayout(layout);
        GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
        gd.widthHint = 300;
        composite.setLayoutData(gd);
        composite.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
        Text text = new Text(composite, SWT.READ_ONLY | SWT.MULTI | SWT.WRAP);
        gd = new GridData(SWT.FILL, SWT.FILL, true, true);
        GC gc = new GC(parent);
        gd.heightHint = Dialog.convertHeightInCharsToPixels(gc.getFontMetrics(), (description.length() / 40) + 1);
        gc.dispose();
        text.setLayoutData(gd);
        text.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
        text.setText(description);

        return composite;
    }

}