uk.gov.nationalarchives.droid.gui.treemodel.FileSizeRenderer Maven / Gradle / Ivy
/**
* Copyright (c) 2016, The National Archives
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the The National Archives nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package uk.gov.nationalarchives.droid.gui.treemodel;
import java.awt.Color;
import javax.swing.SwingConstants;
import uk.gov.nationalarchives.droid.util.FileUtil;
/**
* @author a-mpalmer
*
*/
public class FileSizeRenderer extends DefaultCellRenderer {
/**
* Constructs a file size renderer and sets the generic properties of its
* private cached JLabel object used to actually render.
* @param backColor - the background color of the cell.
*/
public FileSizeRenderer(Color backColor) {
super(backColor);
getRenderer().setHorizontalAlignment(SwingConstants.RIGHT);
}
@Override
public String getDisplayValue(Object value) {
if (getFilterStatus(value) != 1) {
return "";
}
DirectoryComparableLong val = (DirectoryComparableLong) value;
final Long sizeValue = val.getSource();
return sizeValue == null ? "" : FileUtil.formatFileSize(sizeValue, 1) + " ";
}
}