]> ruin.nu Git - moosique.git/blobdiff - MooNoteElement.java
Fixed drag select in track view.
[moosique.git] / MooNoteElement.java
index 8b71b3cfb31e72caabf1edff3479f1dd930beecf..7ea74227d0be3a456226583adfa3fe9a8bed560f 100644 (file)
@@ -2,58 +2,257 @@ import javax.swing.*;
 import java.awt.*;
 import java.awt.event.*;
 
-/*
+/**
  * Graphical representation of a MIDI note.
  * 
  * @author  Andersson, Andreen, Lanneskog, Pehrson
  * @version 1
  */
  
-public class MooNoteElement extends JPanel{
+public class MooNoteElement extends JPanel {
 
+       private MooTrackView mtv;
        private MooNote note;
-       /* 
+       private JPopupMenu popup;
+       private JMenuItem popupRemove, popupProp, popupTranspOctUp, popupTranspOctDown;
+       private Rectangle pitchRect, veloRect;
+       private String notePitch, noteVelocity;
+       private boolean selected = false;
+       public Color textColor;
+       public static final Color bgColor = new Color(160, 218, 255);
+       public static final Color invBgColor = new Color(96, 38, 0);
+
+       /** 
         * Creates a new note element.
-        * @param mn The note that will be graphically represented
+        * @param parent        The MooTrackView that this element will be painted on.
+        * @param mn            the note that will be graphically represented
         */
-       public MooNoteElement (MooNote mn) {
+       public MooNoteElement (MooTrackView parent, MooNote mn) {
+               mtv = parent;
                note = mn;
-               setPreferredSize(new Dimension(20,20));
+               calculateString();
+               addMouseListener(new MAdapter());
+               setBorder(BorderFactory.createLineBorder(Color.black));
+               setBackground(bgColor);
+               textColor = Color.black;
 
-               class MouseList implements MouseListener{
-                       public void mouseClicked(MouseEvent event){
-                               //Bring upp dialog to edit note.
-                       }
+               // Defines coordinates.
+               pitchRect = new Rectangle(0, 0, 15, 10);
+               veloRect = new Rectangle(20, 0, 40, 10);
 
-                       public void mouseEntered(MouseEvent event){
-                               //Show note props in statusbar?
-                       }
+               // Creates pop-up menu.
+               popup = new JPopupMenu();
+               PopupListener pList = new PopupListener();
+               popupProp = new JMenuItem("Preferences...");
+               popupProp.addActionListener(pList);
+               popup.add(popupProp);
+               popupRemove = new JMenuItem("Remove");
+               popupRemove.addActionListener(pList);
+               popup.add(popupRemove);
+               popupTranspOctUp = new JMenuItem("Transpose one octave up");
+               popupTranspOctUp.addActionListener(pList);
+               popup.add(popupTranspOctUp);
+               popupTranspOctDown = new JMenuItem("Transpose one octave down");
+               popupTranspOctDown.addActionListener(pList);
+               popup.add(popupTranspOctDown);
+       }
 
-                       public void mouseExited(MouseEvent event){
-                               //Reset statusbar?
-                       }
+       /** 
+        * Returns the note of this element.
+        * @return the note
+        */
+       public MooNote getNote() {
+               return note;
+       }
+
+       /** 
+        * Selects the current NoteElement.
+        */
+       public void select() {
+               selected = true;
+               mtv.selectNote(this);
+               setBackground(invBgColor);
+               textColor = Color.white;
+               repaint();
+       }
 
-                       public void mousePressed(MouseEvent event){     }
+       /** 
+        * Deselects the current NoteElement.
+        */
+       public void deselect() {
+               selected = false;
+               // mtv.deselectNote(this);
+               setBackground(bgColor);
+               textColor = Color.black;
+               repaint();
+       }
 
-                       public void mouseReleased(MouseEvent event){}
-               };
-               MouseListener listener = new MouseList();
-               addMouseListener(listener);
-                       
+       /** 
+        * Transposes the current note element the given number of halftones.
+        * @param halftones     the number of halftones to transpose - positive for up, negative for down
+        */
+       public void transpose(int halftones) {
+               note.transpose(halftones);
+               update();
        }
 
        /**
-        *
+        * Draws the string that shows the note's properties.
+        * @param g     The Graphics object used to draw the strings.
         */
        public void paintComponent(Graphics g)
        {
                super.paintComponent(g);
-
-               if (!(g instanceof Graphics2D))
-                       return;
+               if (!(g instanceof Graphics2D)) return;
                Graphics2D g2 = (Graphics2D)g;
+               g2.setColor(textColor);
+               g2.setFont(new Font("Helvetica", Font.PLAIN, 8));
+       /*
+               switch(columns) {
+                       case 0:
+                       case 1:
+                       ...
+               }
+       */
+               
+               g2.drawString(notePitch, 1, 8);
+               g2.drawString("" + noteVelocity, 21, 8);
+       }
+
+       /**
+        * Calculate what the string that shows the note properties should look like.
+        */
+       protected void calculateString(){
 
-               //Draw the note representation
+               noteVelocity = ""; 
+               notePitch = "";
+               if(note == null) return;
+
+               int pitch = note.getPitch();
+               switch (pitch % 12) {
+                       case  0: notePitch = "C";  break;
+                       case  1: notePitch = "C#"; break;
+                       case  2: notePitch = "D";  break;
+                       case  3: notePitch = "D#"; break;
+                       case  4: notePitch = "E";  break;
+                       case  5: notePitch = "F";  break;
+                       case  6: notePitch = "F#"; break;
+                       case  7: notePitch = "G";  break;
+                       case  8: notePitch = "G#"; break;
+                       case  9: notePitch = "A";  break;
+                       case 10: notePitch = "A#"; break;
+                       case 11: notePitch = "B";  break;
+               }
+               notePitch += pitch / 12 - 1;
+               noteVelocity = ""+note.getVelocity();
+       }
+
+
+       /**
+        * Asks the MooTrackView that the note element is painted on to remove this element and the note.
+        */
+       protected void remove(){
+               mtv.removeNote(this);
+       }
+
+       /**
+        * Updates the graphical content of the element and repaints it.
+        */
+       public void update() {
+               calculateString();
+               repaint();
+       }
+
+       /**
+        * Layout this changed elemnt.
+        */
+       protected void newLayout(){
+               mtv.layoutElement(this,true);
+       }
+
+       /**
+        * Listener that checks the mouse actions on this element.
+        */
+       class MAdapter extends MouseAdapter {
+       
+               /**
+                * Selects the note if 
+                */
+               public void mouseEntered(MouseEvent e) {
+                       if (mtv.isLeftMouseButtonPressed()) select();
+               }
+
+               /**
+                * If left mouse button is clicked, selects the note and plays it.
+                */
+               public void mouseClicked(MouseEvent e) {
+                       if (SwingUtilities.isLeftMouseButton(e) && !e.isControlDown()) {
+                               select();
+                               // Play the note
+                       }
+               }
+
+               /**
+                * Checks if the mouse is pressed.
+                * Increases the pitch or velocity if the right mouse button is pressed while holding CTRL.
+                * Decreases the pitch or velocity if the left mouse button is pressed while holding CTRL.
+                * @param e the event recieved.
+                */
+               public void mousePressed(MouseEvent e) {
+                       if (e.isControlDown()) {
+                               if (pitchRect.contains(e.getPoint())) {
+                                       if (SwingUtilities.isRightMouseButton(e)) {
+                                               note.transpose(1);
+                                       } else if (SwingUtilities.isLeftMouseButton(e)) {
+                                               note.transpose(-1);
+                                       }
+                                       Moosique.setEdited();
+                                       calculateString();
+                                       repaint();
+                               } else if (veloRect.contains(e.getPoint())) {
+                                       if (SwingUtilities.isRightMouseButton(e)) {
+                                               note.setVelocity(note.getVelocity() + 1);
+                                       } else if (SwingUtilities.isLeftMouseButton(e)) {
+                                               note.setVelocity(note.getVelocity() - 1);
+                                       }
+                                       Moosique.setEdited();
+                                       calculateString();
+                                       repaint();
+                               }
+                       } else maybeShowPopup(e);
+               }
+
+               public void mouseReleased(MouseEvent e) {
+                       maybeShowPopup(e);
+               }
+
+               /**
+                * Shows the menu if an OS-specific popup-trigger was activated.
+                */
+               private void maybeShowPopup(MouseEvent e) {
+                       if (e.isPopupTrigger() && !e.isControlDown()) {
+                               if (!selected || mtv.isTheOnlySelected((MooNoteElement)e.getComponent())) popup.show(e.getComponent(), e.getX(), e.getY());
+                               else mtv.showSelectionPopup(e.getComponent(), e.getX(), e.getY());
+                       }
+               }
+       }
+
+       /**
+        * Listens on the actions made to the popupmenu.
+        */
+       class PopupListener implements ActionListener {
+               public void actionPerformed(ActionEvent e) {
+                       Object source = e.getSource();
+                       if (source == popupProp) {
+                               new MooDialog(note);
+                               newLayout();
+                       } else if (source == popupRemove) {
+                               remove();
+                       } else if (source == popupTranspOctUp) {
+                               transpose(12);
+                       } else if (source == popupTranspOctDown) {
+                               transpose(-12);
+                       }
+               }
        }
-                       
 }