我正在使用带有多个 ColorHighlighter 的 JXTreeTable 来更改包含特定值的行的背景颜色。
如果选择了一行,颜色将变为 SelectionBackground。
是否可以在没有全新渲染器的情况下根据谓词或颜色荧光笔更改选择背景颜色?
编辑:如果选择了一行并且有突出显示,则应该是另一种背景颜色,就像没有突出显示的行一样。
SSCCE
package testing;
import java.awt.Color;
import java.awt.Component;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import org.jdesktop.swingx.JXTreeTable;
import org.jdesktop.swingx.decorator.ColorHighlighter;
import org.jdesktop.swingx.decorator.ComponentAdapter;
import org.jdesktop.swingx.decorator.HighlightPredicate;
import org.jdesktop.swingx.treetable.AbstractMutableTreeTableNode;
import org.jdesktop.swingx.treetable.DefaultTreeTableModel;
public class JXTreeTableDemo extends JFrame {
public static void main(String[] args) {
JXTreeTableDemo gui = new JXTreeTableDemo();
// get root node and 20 child nodes
ArrayNode root = new ArrayNode(new Object[] { "root", "" });
for (int i = 0; i < 20; i++) {
root.add(new ArrayNode(new Object[] { "child", i }));
}
// get table and add root node
JXTreeTable table = new JXTreeTable(new DefaultTreeTableModel(root));
JScrollPane scrPane = new JScrollPane(table);
// predicate to highlight all VAL%3==0
HighlightPredicate predicateMod3 = new HighlightPredicate() {
@Override
public boolean isHighlighted(Component renderer,
ComponentAdapter adapter) {
if ((int) adapter.getValue(1) % 3 == 0) {
return true;
}
return false;
}
};
// predicate to highlight all VAL%4==0
HighlightPredicate predicateMod4= new HighlightPredicate() {
@Override
public boolean isHighlighted(Component renderer,
ComponentAdapter adapter) {
if ((int) adapter.getValue(1) % 4 == 0) {
return true;
}
return false;
}
};
// initialize highlighter for %3 div
ColorHighlighter highlighterMod3 = new ColorHighlighter(predicateMod3,
Color.BLUE, Color.WHITE);
// initialize highlighter for %4 div
ColorHighlighter highlighterMod4 = new ColorHighlighter(predicateMod4,
Color.GREEN, Color.WHITE);
// add highlighter
table.addHighlighter(highlighterMod3);
table.addHighlighter(highlighterMod4);
gui.getContentPane().add(scrPane);
gui.setVisible(true);
gui.pack();
}
// concrete class of AbstractMutableTreeTableNodes
static class ArrayNode extends AbstractMutableTreeTableNode {
public ArrayNode(Object[] data) {
super(data);
}
@Override
public Object getValueAt(int column) {
return getUserObject()[column];
}
@Override
public void setValueAt(Object aValue, int column) {
getUserObject()[column] = aValue;
}
@Override
public int getColumnCount() {
return 2;
}
@Override
public Object[] getUserObject() {
return (Object[]) super.getUserObject();
}
@Override
public boolean isEditable(int column) {
return true;
}
}
}
到目前为止,mjohannes