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package bjc.utils.gui.panels;
import java.awt.BorderLayout;
import java.util.function.Consumer;
import java.util.function.Predicate;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import bjc.utils.gui.layout.AutosizeLayout;
import bjc.utils.gui.layout.HLayout;
/**
* A simple list of strings
*
* @author ben
*
*/
public class SimpleListPanel extends JPanel {
private static final long serialVersionUID = 2719963952350133541L;
private static void addItem(final DefaultListModel<String> model,
final Predicate<String> verifier, final Consumer<String> onFailure,
final JTextField addItemField) {
final String potentialItem = addItemField.getText();
if (verifier == null || verifier.test(potentialItem)) {
model.addElement(potentialItem);
} else {
onFailure.accept(potentialItem);
}
addItemField.setText("");
}
/**
* Create a new list panel
*
* @param type
* The type of things in the list
* @param model
* The model to put items into
* @param verifier
* The predicate to use to verify items
* @param onFailure
* The function to call when an item doesn't verify
*/
public SimpleListPanel(final String type, final DefaultListModel<String> model,
final Predicate<String> verifier, final Consumer<String> onFailure) {
setLayout(new AutosizeLayout());
final JPanel itemInputPanel = new JPanel();
itemInputPanel.setLayout(new BorderLayout());
final JPanel addItemPanel = new JPanel();
addItemPanel.setLayout(new HLayout(2));
final JTextField addItemField = new JTextField(255);
final JButton addItemButton = new JButton("Add " + type);
addItemPanel.add(addItemField);
addItemPanel.add(addItemButton);
final JList<String> itemList = new JList<>(model);
itemList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
final JScrollPane listScroller = new JScrollPane(itemList);
final JButton removeItemButton = new JButton("Remove " + type);
addItemButton.addActionListener(ev -> {
addItem(model, verifier, onFailure, addItemField);
});
addItemField.addActionListener(ev -> {
addItem(model, verifier, onFailure, addItemField);
});
removeItemButton.addActionListener(ev -> {
model.remove(itemList.getSelectedIndex());
});
itemInputPanel.add(addItemPanel, BorderLayout.PAGE_START);
itemInputPanel.add(listScroller, BorderLayout.CENTER);
itemInputPanel.add(removeItemButton, BorderLayout.PAGE_END);
add(itemInputPanel);
}
}
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