org.oobium.eclipse.esp.config.ConfigLabelProvider.java Source code

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Here is the source code for org.oobium.eclipse.esp.config.ConfigLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2010 Oobium, Inc.
 * 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:
 *     Jeremy Dowdall <jeremy@oobium.com> - initial API and implementation
 ******************************************************************************/
package org.oobium.eclipse.esp.config;

import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.graphics.Image;
import org.oobium.utils.StringUtils;
import org.oobium.utils.Config.Mode;

public class ConfigLabelProvider extends StyledCellLabelProvider {

    @Override
    public void update(ViewerCell cell) {
        Object element = cell.getElement();
        String base = getText(element);
        StyledString s = new StyledString(base);

        if (element instanceof Entry && !hasChildren(element)) {
            s.append(" : " + ((Entry<?, ?>) element).getValue(), StyledString.DECORATIONS_STYLER);
        }

        cell.setText(s.toString());
        cell.setStyleRanges(s.getStyleRanges());
        cell.setImage(getImage(element));
        super.update(cell);
    }

    private boolean hasChildren(Object element) {
        if (element instanceof Map) {
            return !((Map<?, ?>) element).isEmpty();
        }
        if (element instanceof ConfigMode) {
            return !((ConfigMode) element).isEmpty();
        }
        if (element instanceof List) {
            return !((List<?>) element).isEmpty();
        }
        if (element instanceof Entry) {
            return hasChildren(((Entry<?, ?>) element).getValue());
        }
        return false;
    }

    public String getText(Object element) {
        if (element instanceof ConfigMode) {
            Mode mode = ((ConfigMode) element).mode;
            return (mode == null) ? "Global" : StringUtils.titleize(mode.name());
        }
        if (element instanceof Entry) {
            return (String) ((Entry<?, ?>) element).getKey();
        }
        if (element instanceof String) {
            return (String) element;
        }
        return "";
    }

    public Image getImage(Object element) {
        return null;
    }

}