- public void paintComponent(Graphics g) {
- super.paintComponent(g);
- Graphics2D g2 = (Graphics2D)g;
- for (int c = 0; c < viewLength ; c += NOTE_HEIGHT) {
- for (int r = 0; r < (10*NOTE_WIDTH); r += NOTE_WIDTH) {
- box = new Rectangle(r, c, NOTE_WIDTH, NOTE_HEIGHT);
- g2.setColor(Color.gray);
- g2.draw(box);
- }
+ /**
+ * Removes the current selection.
+ */
+ public void removeSelectedNotes() {
+ Iterator it = selection.iterator();
+ while(it.hasNext()) {
+ removeNote((MooNoteElement)it.next());
+ }
+ selection.clear();
+ }
+
+ /**
+ * Transposes all selected notes the given number of halftones.
+ */
+ private void transposeSelectedNotes(int halftones) {
+ Iterator it = selection.iterator();
+ while(it.hasNext()) {
+ MooNoteElement elem = (MooNoteElement)it.next();
+ elem.transpose(halftones);
+ }
+ }
+
+ /**
+ * Moves the current selection, if the mouse was pressed on a note element
+ * and then released in another row.
+ * @param srcY the y-coordinate of the point in which the mouse button was pressed
+ * @param destY the y-coordinate of the point in which the mouse button was released
+ */
+ public void maybeMoveSelectedNotes(int srcY, int destY) {
+ int srcRow = (srcY - insets.top) / NOTE_HEIGHT;
+ int destRow = (destY - insets.top) / NOTE_HEIGHT;
+ long timeDiff = (long)(ticksPerSixteenth * (destRow - srcRow));
+ Iterator it = selection.iterator();
+ while(it.hasNext()) {
+ MooNoteElement elem = (MooNoteElement)it.next();
+ elem.getNote().setTick(elem.getNote().getTick() + timeDiff);
+ layoutElement(elem, true);
+ }
+ }
+
+ /**
+ * Shows a popup-menu with options for the current selection of note elements.
+ * @param c the component over which to display the menu
+ * @param x the x-coordinate in which to display the menu
+ * @param y the y-coordinate in which to display the menu
+ */
+ public void showSelectionPopup(Component c, int x, int y) {
+ selPopup.show(c, x, y);
+ }
+
+ /**
+ * Draws the grid that is on the background.
+ * @param g The Graphics object used to draw the grid.
+ */
+ public void paintComponent(Graphics g) {
+ super.paintComponent(g);
+ Graphics2D g2 = (Graphics2D)g;
+ for (int c = 0; c < viewLength || c < getHeight(); c += NOTE_HEIGHT) {
+ for (int r = 0; r < (10 * NOTE_WIDTH); r += NOTE_WIDTH) {
+ box = new Rectangle(r, c, NOTE_WIDTH, NOTE_HEIGHT);
+ g2.setColor(Color.gray);
+ g2.draw(box);