1 files changed, 57 insertions, 0 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/gui/DropdownListPanel.java b/BJC-Utils2/src/main/java/bjc/utils/gui/DropdownListPanel.java
new file mode 100644
index 0000000..530fca2
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/gui/DropdownListPanel.java
@@ -0,0 +1,57 @@
+package bjc.utils.gui;
+
+import java.awt.BorderLayout;
+
+import javax.swing.DefaultListModel;
+import javax.swing.JButton;
+import javax.swing.JComboBox;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.ListSelectionModel;
+
+import bjc.utils.funcdata.IList;
+import bjc.utils.gui.layout.AutosizeLayout;
+import bjc.utils.gui.layout.HLayout;
+
+public class DropdownListPanel extends JPanel {
+	private static final long serialVersionUID = 2719963952350133541L;
+
+	@SuppressWarnings("unchecked")
+	public <T> DropdownListPanel(String itemType,
+			DefaultListModel<T> listModel, IList<T> choices) {
+		setLayout(new AutosizeLayout());
+
+		JPanel itemInputPanel = new JPanel();
+		itemInputPanel.setLayout(new BorderLayout());
+
+		JPanel addItemPanel = new JPanel();
+		addItemPanel.setLayout(new HLayout(2));
+
+		JComboBox<T> addItemBox = new JComboBox<>();
+		choices.forEach(addItemBox::addItem);
+
+		JButton addItemButton = new JButton("Add " + itemType);
+
+		addItemPanel.add(addItemBox);
+		addItemPanel.add(addItemButton);
+
+		JList<T> itemList = new JList<>(listModel);
+		itemList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+
+		JButton removeItemButton = new JButton("Remove " + itemType);
+
+		addItemButton.addActionListener((ev) -> {
+			listModel.addElement((T) addItemBox.getSelectedItem());
+		});
+
+		removeItemButton.addActionListener((ev) -> {
+			listModel.remove(itemList.getSelectedIndex());
+		});
+
+		itemInputPanel.add(addItemPanel, BorderLayout.PAGE_START);
+		itemInputPanel.add(itemList, BorderLayout.CENTER);
+		itemInputPanel.add(removeItemButton, BorderLayout.PAGE_END);
+
+		add(itemInputPanel);
+	}
+}