/**
* Returns an icon corresponding to the given <tt>state</tt>.
*
* @param state the state, for which we're looking for an icon
* @return the icon corresponding to the given state
*/
private ImageIcon getStateIcon(int state) {
int cacheIndex;
String imageID;
switch (state) {
case Bundle.INSTALLED:
cacheIndex = 0;
imageID = "plugin.pluginmanager.INSTALLED_STATE";
break;
case Bundle.RESOLVED:
cacheIndex = 1;
imageID = "plugin.pluginmanager.DEACTIVATED_STATE";
break;
case Bundle.STARTING:
cacheIndex = 2;
imageID = "plugin.pluginmanager.STARTING_STATE";
break;
case Bundle.STOPPING:
cacheIndex = 3;
imageID = "plugin.pluginmanager.STOPPING_STATE";
break;
case Bundle.ACTIVE:
cacheIndex = 4;
imageID = "plugin.pluginmanager.ACTIVATE_STATE";
break;
default:
return null;
}
ImageIcon stateIcon = stateIconCache[cacheIndex];
if (stateIcon == null)
stateIconCache[cacheIndex] = stateIcon = Resources.getResources().getImage(imageID);
return stateIcon;
}
/**
* The <tt>ContactListCellRenderer</tt> is the custom cell renderer used in the SIP-Communicator's
* <tt>ContactList</tt>. It extends JPanel instead of JLabel, which allows adding different buttons
* and icons to the contact cell. The cell border and background are repainted.
*
* @author Yana Stamcheva
*/
public class PluginListCellRenderer extends JPanel implements TableCellRenderer {
/** Serial version UID. */
private static final long serialVersionUID = 0L;
/** The end color used to paint a gradient selected background. */
private static final Color SELECTED_START_COLOR =
new Color(Resources.getColor("service.gui.LIST_SELECTION_COLOR"));
/** The start color used to paint a gradient selected background. */
private static final Color SELECTED_END_COLOR =
new Color(Resources.getColor("service.gui.GRADIENT_LIGHT_COLOR"));
/** The panel containing name and version information. */
private JPanel nameVersionPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
/** The name label. */
private JLabel nameLabel = new JLabel();
/** The version label. */
private JLabel versionLabel = new JLabel();
/** The description label. */
private JLabel descriptionLabel = new JLabel();
/** The state label. */
private JLabel stateLabel = new JLabel();
/** The icon label. */
private JLabel iconLabel = new JLabel();
/** The system label indicating that a bundle is system (i.e. not optional). */
private JLabel systemLabel =
new JLabel("( " + Resources.getString("plugin.pluginmanager.SYSTEM") + " )");
/** Indicates if a skin is selected. */
private boolean isSelected = false;
/**
* The cache of the <code>ImageIcon</code> values returned by {@link #getStateIcon(int)} because
* the method in question is called whenever a table cell is painted and reading the image data
* out of a file and loading it into a new <code>ImageIcon</code> at such a time noticeably
* affects execution the speed.
*/
private final ImageIcon[] stateIconCache = new ImageIcon[5];
/** Initialize the panel containing the node. */
public PluginListCellRenderer() {
super(new BorderLayout(8, 8));
JPanel mainPanel = new JPanel(new BorderLayout());
this.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
this.setBackground(Color.WHITE);
this.setOpaque(true);
mainPanel.setOpaque(false);
this.nameVersionPanel.setOpaque(false);
this.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
this.nameLabel.setIconTextGap(2);
this.nameLabel.setFont(this.getFont().deriveFont(Font.BOLD));
this.systemLabel.setFont(this.getFont().deriveFont(Font.BOLD));
this.nameVersionPanel.add(nameLabel);
this.nameVersionPanel.add(versionLabel);
mainPanel.add(nameVersionPanel, BorderLayout.NORTH);
mainPanel.add(descriptionLabel, BorderLayout.CENTER);
this.add(iconLabel, BorderLayout.WEST);
this.add(mainPanel, BorderLayout.CENTER);
this.add(stateLabel, BorderLayout.WEST);
}
/**
* Implements the <tt>ListCellRenderer</tt> method. Returns this panel that has been configured to
* display bundle name, version and description.
*
* @param table the parent table
* @param value the value of the rendered cell
* @param isSelected indicates if the rendered cell is selected
* @param hasFocus indicates if the rendered cell has the focus
* @param rowIndex the row index of the rendered cell
* @param vColIndex the column index of the rendered cell
* @return the rendering component
*/
public Component getTableCellRendererComponent(
JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int rowIndex,
int vColIndex) {
Bundle bundle = (Bundle) value;
Dictionary<?, ?> headers = bundle.getHeaders();
Object bundleName = headers.get(Constants.BUNDLE_NAME);
Object bundleVersion = headers.get(Constants.BUNDLE_VERSION);
Object bundleDescription = headers.get(Constants.BUNDLE_DESCRIPTION);
Icon stateIcon = getStateIcon(bundle.getState());
if (bundleName != null) this.nameLabel.setText(bundleName.toString());
else this.nameLabel.setText("unknown");
if (bundleVersion != null) this.versionLabel.setText(bundleVersion.toString());
else this.versionLabel.setText("");
if (bundleDescription != null) this.descriptionLabel.setText(bundleDescription.toString());
else this.descriptionLabel.setText("");
if (stateIcon != null) this.stateLabel.setIcon(stateIcon);
this.nameVersionPanel.remove(systemLabel);
if (PluginManagerActivator.isSystemBundle(bundle)) this.nameVersionPanel.add(systemLabel);
this.isSelected = isSelected;
return this;
}
/**
* Returns an icon corresponding to the given <tt>state</tt>.
*
* @param state the state, for which we're looking for an icon
* @return the icon corresponding to the given state
*/
private ImageIcon getStateIcon(int state) {
int cacheIndex;
String imageID;
switch (state) {
case Bundle.INSTALLED:
cacheIndex = 0;
imageID = "plugin.pluginmanager.INSTALLED_STATE";
break;
case Bundle.RESOLVED:
cacheIndex = 1;
imageID = "plugin.pluginmanager.DEACTIVATED_STATE";
break;
case Bundle.STARTING:
cacheIndex = 2;
imageID = "plugin.pluginmanager.STARTING_STATE";
break;
case Bundle.STOPPING:
cacheIndex = 3;
imageID = "plugin.pluginmanager.STOPPING_STATE";
break;
case Bundle.ACTIVE:
cacheIndex = 4;
imageID = "plugin.pluginmanager.ACTIVATE_STATE";
break;
default:
return null;
}
ImageIcon stateIcon = stateIconCache[cacheIndex];
if (stateIcon == null)
stateIconCache[cacheIndex] = stateIcon = Resources.getResources().getImage(imageID);
return stateIcon;
}
/**
* Paint a background for all groups and a round blue border and background when a cell is
* selected.
*
* @param g the <tt>Graphics</tt> object used for painting
*/
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
g = g.create();
try {
internalPaintComponent(g);
} finally {
g.dispose();
}
}
/**
* Paints a custom gradient background for selected cells.
*
* @param g the <tt>Graphics</tt> object used for painting
*/
private void internalPaintComponent(Graphics g) {
AntialiasingManager.activateAntialiasing(g);
Graphics2D g2 = (Graphics2D) g;
int width = getWidth();
int height = getHeight();
if (this.isSelected) {
GradientPaint p =
new GradientPaint(
width / 2, 0, SELECTED_START_COLOR, width / 2, height, SELECTED_END_COLOR);
g2.setPaint(p);
g2.fillRoundRect(1, 1, width, height - 1, 7, 7);
}
g2.setColor(SELECTED_START_COLOR);
g2.drawLine(0, height - 1, width, height - 1);
}
}
