org.jboss.tools.openshift.express.internal.ui.propertytable.PropertyValueCellLabelProvider.java Source code

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Here is the source code for org.jboss.tools.openshift.express.internal.ui.propertytable.PropertyValueCellLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2011 Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is 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:
 *     Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.jboss.tools.openshift.express.internal.ui.propertytable;

import org.eclipse.jface.preference.JFacePreferences;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.graphics.TextStyle;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.forms.widgets.Hyperlink;
import org.jboss.tools.common.ui.BrowserUtil;
import org.jboss.tools.openshift.express.internal.ui.OpenShiftUIActivator;
import org.jboss.tools.openshift.express.internal.ui.utils.StringUtils;
import org.jboss.tools.openshift.express.internal.ui.utils.TreeUtils;

/**
 * @author Xavier Coulon
 * @author Andre Dietisheim
 */
public class PropertyValueCellLabelProvider extends AbstractPropertyCellLabelProvider {

    protected void update(IProperty property, ViewerCell cell) {
        if (property.isLink()) {
            // tree editor takes some time to display, show text in the meantime
            createStyledText(property, cell);
            createLink(property, cell);
        } else {
            cell.setText(property.getValue());
        }
    }

    protected void createLink(IProperty property, final ViewerCell cell) {
        if (StringUtils.isEmpty(property.getValue())) {
            return;
        }
        final Hyperlink link = new Hyperlink((Tree) cell.getControl(), SWT.NONE); // SWT.NO_BACKGROUND
        link.setBackground(cell.getBackground());
        link.setForeground(JFaceResources.getColorRegistry().get(JFacePreferences.ACTIVE_HYPERLINK_COLOR));
        link.setFont(cell.getFont());
        link.setUnderlined(true);
        link.setText(property.getValue());
        link.setBackground(cell.getBackground());
        link.addMouseListener(onLinkClicked(property.getValue()));

        TreeUtils.createTreeEditor(link, property.getValue(), cell);
    }

    private void createStyledText(IProperty property, final ViewerCell cell) {
        StyledString.Styler style = new StyledString.Styler() {
            @Override
            public void applyStyles(TextStyle textStyle) {
                textStyle.foreground = cell.getControl().getDisplay().getSystemColor(SWT.COLOR_BLUE);
                textStyle.underline = true;
            }
        };
        StyledString styledString = new StyledString(StringUtils.null2emptyString(property.getValue()), style);
        cell.setStyleRanges(styledString.getStyleRanges());
        cell.setText(styledString.getString());
    }

    protected MouseAdapter onLinkClicked(final String url) {
        return new MouseAdapter() {

            @Override
            public void mouseUp(MouseEvent e) {
                if (e.button == 1) { // left button only
                    BrowserUtil.checkedCreateExternalBrowser(url, OpenShiftUIActivator.PLUGIN_ID,
                            OpenShiftUIActivator.getDefault().getLog());
                }
            }
        };
    }
}