/** Continue to scroll to the left or right for every time step */
public void actionPerformed(ActionEvent e) {
if (directedToLeft) {
wheeler.scrollLeft();
} else {
wheeler.scrollRight();
}
}
/** Constructs new TabbedExplorer that is scrollable if specified as true. */
public TabbedExplorer(boolean scrollable) {
super();
this.scrollable = scrollable;
this.drawerCards = new ArrayList<TabCard>();
this.canvasPane = new JPanel(new BorderLayout());
canvasPane.setBorder(BorderFactory.createMatteBorder(5, 5, 5, 5, CGraphite.blue));
this.setBackground(Color.black);
this.timer = new Timer(300, this);
menu = new JPopupMenu();
wheeler = new CWheeler(new ArrayList<JComponent>(), false, Color.black);
wheeler.setPreferredSize(new Dimension(wheeler.getPreferredSize().width, BUTTON_HEIGHT));
left = new CTabButton("<<");
left.setPreferredSize(BUTTON_DIMENSION);
left.addMouseListener(this);
right = new CTabButton(">>");
right.setPreferredSize(BUTTON_DIMENSION);
right.addMouseListener(this);
down = new CTabButton("V");
down.setPreferredSize(BUTTON_DIMENSION);
down.addMouseListener(this);
setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.weightx = 0;
gbc.weighty = 0;
gbc.fill = GridBagConstraints.NONE;
add(left, gbc);
gbc.gridx++;
gbc.weightx = 1;
gbc.fill = GridBagConstraints.BOTH;
add(wheeler, gbc);
gbc.gridx++;
gbc.weightx = 0;
gbc.fill = GridBagConstraints.NONE;
add(right, gbc);
gbc.gridx++;
add(down, gbc);
gbc.gridx = 0;
gbc.gridy++;
gbc.gridwidth = 4;
gbc.weightx = 1;
gbc.weighty = 1;
gbc.fill = GridBagConstraints.BOTH;
add(canvasPane, gbc);
}
/** Start the timer when the user presses the mouse. */
public void mousePressed(MouseEvent e) {
if (e.getSource().equals(left)) {
directedToLeft = true;
wheeler.scrollLeft();
timer.start();
} else if (e.getSource().equals(right)) {
directedToLeft = false;
wheeler.scrollRight();
timer.start();
} else if (e.getSource().equals(down)) {
menu.show(down, 5, 5);
}
}
/**
* Reassigns the set of canvases that this explorer controls. Though the collection of canvas mnay
* be empty, it may not be null.
*
* @param items
* @requires items != null && for each element in item, element!= null
*/
public void setDrawersCard(List<? extends Canvas> items) {
drawerCards.clear();
menu.removeAll();
List<JComponent> buttons = new ArrayList<JComponent>();
for (int i = 0; i < items.size(); i++) {
TabCard card = new TabCard(i, items.get(i), this, scrollable);
drawerCards.add(card);
buttons.add(card.getButton());
card.getButton().setPreferredSize(new Dimension(125, BUTTON_HEIGHT));
menu.add(card.getMenuItem());
}
wheeler.setElements(buttons);
this.selectCanvas(0);
}
/**
* Scroll to a particular draw at the specified index
*
* @param index
*/
void scrollToWheelItem(int index) {
if (index >= 0 && index < drawerCards.size()) {
wheeler.scrollToWheelItem(drawerCards.get(index).getButton());
}
}
