made search field react on keypress

src/ch/hevs/isc/slopify_v2/GUI.scala

@@ -1,5 +1,6 @@
 package ch.hevs.isc.slopify_v2
 
+import java.awt.event.{KeyEvent, KeyListener}
 import java.awt.{GridBagConstraints, GridBagLayout, LayoutManager}
 import java.util
 import javax.swing._
@@ -29,7 +30,11 @@ class GUI extends JFrame {
   })
 
   val artistsSearchBar: JTextField = new JTextField()
-  artistsSearchBar.addActionListener(_ => updateArtistsSearch())
+  artistsSearchBar.addKeyListener(new KeyListener {
+    override def keyTyped(keyEvent: KeyEvent): Unit = {}
+    override def keyPressed(keyEvent: KeyEvent): Unit = {}
+    override def keyReleased(keyEvent: KeyEvent): Unit = updateArtistsSearch()
+  })
 
   val col1Constraints: GridBagConstraints = new GridBagConstraints()
   col1Constraints.fill = GridBagConstraints.BOTH
@@ -94,11 +99,15 @@ class GUI extends JFrame {
   val songsSelectionModel: ListSelectionModel = songsTable.getSelectionModel
   songsSelectionModel.addListSelectionListener(e => {
     val row: Int = e.getFirstIndex
+    try {
       val songName: String = songsTableModel.getValueAt(row, 0).asInstanceOf[String]
       val song: Option[Song] = curAlbum.get.getSongByTitle(songName)
       if (song.isDefined) {
         selectSong(song.get)
       }
+    } catch {
+      case e: ArrayIndexOutOfBoundsException => {}
+    }
   })
 
   val split1: JSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, col1, col2)