gov.redhawk.sca.internal.ui.ScaPropertyNameColumnLabelProvider.java Source code

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/**
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 * 
 * This file is part of REDHAWK IDE.
 * 
 * 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.
 *
 */
package gov.redhawk.sca.internal.ui;

import gov.redhawk.model.sca.ScaAbstractProperty;

import org.eclipse.jface.viewers.CellLabelProvider;
import org.eclipse.jface.viewers.ViewerCell;

/**
 * @since 5.0
 * 
 */
public class ScaPropertyNameColumnLabelProvider extends CellLabelProvider {

    @Override
    public int getToolTipTimeDisplayed(final Object element) {
        boolean display = false;
        if (element instanceof ScaAbstractProperty<?>) {
            display = true;
        }
        if (display) {
            return -1;
        }
        return super.getToolTipTimeDisplayed(element);
    }

    @Override
    public String getToolTipText(final Object obj) {
        if (obj instanceof ScaAbstractProperty<?>) {
            final ScaAbstractProperty<?> property = (ScaAbstractProperty<?>) obj;
            return wrap(property.getDescription());
        }
        return super.getToolTipText(obj);
    }

    /**
     * @param description
     * @return
     */
    private String wrap(final String description) {
        final StringBuilder builder = new StringBuilder();
        final int length = description.length();
        final int lineLength = 75;
        for (int position = 0; position < length;) {
            final int nextPosition = position + lineLength;
            int end = Math.min(nextPosition, length);
            final int endWhitespace = description.indexOf(" ", end);
            if (endWhitespace != -1) {
                end = endWhitespace;
            }
            builder.append(description.substring(position, end));
            position = end + 1;
            if (end < length) {
                builder.append('\n');
            }
        }
        return builder.toString();
    }

    @Override
    public int getToolTipDisplayDelayTime(final Object element) {
        boolean display = false;
        if (element instanceof ScaAbstractProperty<?>) {
            display = true;
        }
        if (display) {
            return 100; //SUPPRESS CHECKSTYLE MagicNumber
        }
        return super.getToolTipDisplayDelayTime(element);
    }

    @Override
    public void update(final ViewerCell cell) {
        final Object obj = cell.getElement();
        if (obj instanceof ScaAbstractProperty<?>) {
            final ScaAbstractProperty<?> property = (ScaAbstractProperty<?>) obj;
            final String name = property.getName();
            if (name != null) {
                cell.setText(property.getName());
            } else {
                cell.setText(property.getId());
            }
        }
    }

}