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package bjc.utils.gui.panels;
import java.util.function.Consumer;
import java.util.function.Supplier;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListSelectionModel;
import bjc.funcdata.ListEx;
import bjc.utils.gui.SimpleJList;
import bjc.utils.gui.layout.HLayout;
import bjc.utils.gui.layout.VLayout;
/**
* A panel that has a list of objects and ways of manipulating that list
*
* @author ben
*
* @param <E>
* The type of data stored in the list
*/
public class ListParameterPanel<E> extends JPanel {
// Version id for serialization
private static final long serialVersionUID = 3442971104975491571L;
/**
* Create a new panel using the specified actions for doing things
*
* @param add
* The action that provides items
* @param edit
* The action that edits items
* @param remove
* The action that removes items
*/
public ListParameterPanel(final Supplier<E> add, final Consumer<E> edit,
final Consumer<E> remove) {
this(add, edit, remove, null);
}
/**
* Create a new panel using the specified actions for doing things
*
* @param add
* The action that provides items
* @param edit
* The action that edits items
* @param remove
* The action that removes items
* @param defaults
* The default values to put in the list
*/
public ListParameterPanel(final Supplier<E> add, final Consumer<E> edit,
final Consumer<E> remove, final ListEx<E> defaults) {
setLayout(new VLayout(2));
JList<E> list;
if (defaults != null) {
list = SimpleJList.buildFromList(defaults.toIterable());
} else {
list = new JList<>(new DefaultListModel<>());
}
list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
final JPanel buttonPanel = new JPanel();
int numButtons = 0;
if (add != null) {
numButtons++;
}
if (edit != null) {
numButtons++;
}
if (remove != null) {
numButtons++;
}
buttonPanel.setLayout(new HLayout(numButtons));
JButton addParam = null;
if (add != null) {
addParam = new JButton("Add...");
addParam.addActionListener(event -> {
final DefaultListModel<E> model = (DefaultListModel<E>) list.getModel();
model.addElement(add.get());
});
}
JButton editParam = null;
if (edit != null) {
editParam = new JButton("Edit...");
editParam.addActionListener(event -> {
edit.accept(list.getSelectedValue());
});
}
JButton removeParam = null;
if (remove != null) {
removeParam = new JButton("Remove...");
removeParam.addActionListener(event -> {
final DefaultListModel<E> model = (DefaultListModel<E>) list.getModel();
remove.accept(model.remove(list.getSelectedIndex()));
});
}
if (add != null) {
buttonPanel.add(addParam);
}
if (edit != null) {
buttonPanel.add(editParam);
}
if (remove != null) {
buttonPanel.add(removeParam);
}
add(list);
add(buttonPanel);
}
}
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