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/**
* 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 java.awt.Component;
import java.net.URL;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.SwingConstants;
import javax.swing.table.TableCellRenderer;
/**
* @author a-mpalmer
*
*/
public class DefaultCellRenderer implements TableCellRenderer {
private JLabel renderer = new JLabel();
private Color backColor;
private Color darkerColor;
/**
*
* @param backColor The default background color to render in
*/
public DefaultCellRenderer(Color backColor) {
renderer.setOpaque(true);
renderer.setHorizontalAlignment(SwingConstants.CENTER);
this.backColor = backColor;
this.darkerColor = TreeUtils.getDarkerColor(backColor);
}
/**
* Overloaded constructor for the default cell renderer taking an alignment.
* @param backColor - the default background color for the cell
* @param alignment - the alignment (SwingConstants) of the cell contents.
*/
public DefaultCellRenderer(Color backColor, int alignment) {
this(backColor);
renderer.setHorizontalAlignment(alignment);
}
/**
* {@inheritDoc}
*
*/
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
int row, int column) {
if (isSelected) {
renderer.setBackground(table.getSelectionBackground());
renderer.setForeground(table.getSelectionForeground());
} else {
renderer.setBackground(getBackgroundColor(table, row, column));
renderer.setForeground(table.getForeground());
}
if (getFilterStatus(value) == 1) {
renderer.setText(getDisplayValue(value));
renderer.setIcon(getIcon(value));
} else {
renderer.setText("");
renderer.setIcon(null);
}
return renderer;
}
/**
* getDisplayValue returns the display value for an object in the
* renderer. This can be overridden by subclasses to provide for
* more specialised display values (e.g. the HyperLinkRenderer).
* @param value The object to get a display value for.
* @return String the display value of the object.
*/
public String getDisplayValue(Object value) {
return value.toString();
}
/**
*
* @param value the value being rendererd
* @return An icon to render.
*/
public Icon getIcon(Object value) {
return null;
}
/**
*
* @return The renderer component.
*/
protected JLabel getRenderer() {
return renderer;
}
/**
*
* @param resourceName the name of the icon resource to load.
* @return An icon containing the loaded icon resource.
*/
protected Icon getIconResource(String resourceName) {
String resourcePath = String.format("uk/gov/nationalarchives/droid/icons/%s.gif", resourceName);
URL imgURL = getClass().getClassLoader().getResource(resourcePath);
return imgURL == null ? null : new ImageIcon(imgURL);
}
/**
*
* @param value The value being displayed
* @return A filter status - 0 - does not meet filter, 1 meets filter, 2 children meets filter
*/
public int getFilterStatus(Object value) {
DirectoryComparableObject o = (DirectoryComparableObject) value;
return o.getFilterStatus();
}
private Color getBackgroundColor(JTable table, int row, int column) {
Color theColor;
if (row % 2 == 0) {
theColor = this.backColor;
} else {
theColor = this.darkerColor;
}
return theColor;
}
}
