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package bjc.utils.gui;
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.utils.funcdata.IFunctionalList;
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 addAction
* The action that provides items
* @param editAction
* The action that edits items
* @param removeAction
* The action that removes items
*/
public ListParameterPanel(Supplier<E> addAction,
Consumer<E> editAction, Consumer<E> removeAction) {
this(addAction, editAction, removeAction, null);
}
/**
* Create a new panel using the specified actions for doing things
*
* @param addAction
* The action that provides items
* @param editAction
* The action that edits items
* @param removeAction
* The action that removes items
* @param defaultValues
* The default values to put in the list
*/
public ListParameterPanel(Supplier<E> addAction,
Consumer<E> editAction, Consumer<E> removeAction,
IFunctionalList<E> defaultValues) {
setLayout(new VLayout(2));
JList<E> list;
if (defaultValues != null) {
list = SimpleJList.buildFromList(defaultValues.toIterable());
} else {
list = new JList<>(new DefaultListModel<>());
}
list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
JPanel buttonPanel = new JPanel();
int numButtons = 0;
if (addAction != null) {
numButtons++;
}
if (editAction != null) {
numButtons++;
}
if (removeAction != null) {
numButtons++;
}
buttonPanel.setLayout(new HLayout(numButtons));
JButton addParam = null;
if (addAction != null) {
addParam = new JButton("Add...");
addParam.addActionListener((event) -> {
DefaultListModel<E> model = (DefaultListModel<E>) list
.getModel();
model.addElement(addAction.get());
});
}
JButton editParam = null;
if (editAction != null) {
editParam = new JButton("Edit...");
editParam.addActionListener((event) -> {
editAction.accept(list.getSelectedValue());
});
}
JButton removeParam = null;
if (removeAction != null) {
removeParam = new JButton("Remove...");
removeParam.addActionListener((event) -> {
DefaultListModel<E> model = (DefaultListModel<E>) list
.getModel();
removeAction.accept(model.remove(list.getSelectedIndex()));
});
}
if (addAction != null) {
buttonPanel.add(addParam);
}
if (editAction != null) {
buttonPanel.add(editParam);
}
if (removeAction != null) {
buttonPanel.add(removeParam);
}
add(list);
add(buttonPanel);
}
}
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