Java Code Examples for com.alee.laf.WebLookAndFeel#isInstalled()

/**
 * Registers new {@link ComponentDescriptor}.
 * It will replace any other {@link ComponentDescriptor} registered for the same {@link JComponent} type.
 * Manager initialization is not required to register {@link ComponentDescriptor}.
 *
 * @param descriptor {@link ComponentDescriptor} to register
 */
public static void registerComponentDescriptor ( @NotNull final ComponentDescriptor descriptor )
{
    // Event Dispatch Thread check
    WebLookAndFeel.checkEventDispatchThread ();

    // Synchronized by descriptors
    synchronized ( descriptors )
    {
        final Class componentClass = descriptor.getComponentClass ();

        // Removing existing descriptor with same class
        final ComponentDescriptor toRemove = descriptorsByClass.get ( componentClass );
        if ( toRemove != null )
        {
            unregisterComponentDescriptor ( toRemove );
        }

        // Saving new descriptor
        descriptors.add ( descriptor );

        // Caching descriptor
        descriptorsByIdentifier.put ( descriptor.getId (), descriptor );
        descriptorsByClass.put ( componentClass, descriptor );

        // Updating UIDefaults
        if ( WebLookAndFeel.isInstalled () )
        {
            descriptor.updateDefaults ( UIManager.getLookAndFeelDefaults () );
        }

        // todo Listeners for these changes?
    }
}
 

@Override
public void installUI ( @NotNull final JComponent c )
{
    // Installing UI
    super.installUI ( c );

    // todo Probably completely remove this?
    // Overwrite indent in case WebLookAndFeel is not installed as LaF
    if ( !WebLookAndFeel.isInstalled () )
    {
        setRightChildIndent ( 12 );
        setLeftChildIndent ( 12 );
    }

    // Allow each cell to choose its own preferred height
    tree.setRowHeight ( -1 );

    // Modifying default drop mode
    // USE_SELECTION mode is not preferred since WebLaF provides a better visual drop representation
    tree.setDropMode ( DropMode.ON );

    // Use a moderate amount of visible rows by default
    // BasicTreeUI uses 20 rows by default which is too much for most of cases
    tree.setVisibleRowCount ( 10 );

    // Forces tree to save changes when another tree node is selected instead of cancelling them
    tree.setInvokesStopCellEditing ( true );

    // Hover behavior
    hoverNodeTracker = new TreePathHoverBehavior<JTree> ( tree, true )
    {
        @Override
        public void hoverChanged ( @Nullable final TreePath previous, @Nullable final TreePath current )
        {
            // Updating hover row
            final int previousRow = hoverRow;
            hoverRow = current != null ? tree.getRowForPath ( current ) : -1;

            // Repainting nodes according to hover changes
            // This occurs only if hover highlight is enabled
            final Painter painter = PainterSupport.getPainter ( tree );
            if ( painter instanceof ITreePainter && ( ( ITreePainter ) painter ).isRowHoverDecorationSupported () )
            {
                repaintRow ( previousRow );
                repaintRow ( hoverRow );
            }

            // Updating custom WebLaF tooltip display state
            final TreeToolTipProvider provider = getToolTipProvider ();
            if ( provider != null )
            {
                provider.hoverAreaChanged (
                        tree,
                        previousRow != -1 ? new TreeCellArea ( previousRow ) : null,
                        hoverRow != -1 ? new TreeCellArea ( hoverRow ) : null
                );
            }

            // Informing {@link com.alee.laf.tree.WebTree} about hover node change
            // This is performed here to avoid excessive listeners usage for the same purpose
            if ( tree instanceof WebTree )
            {
                final MutableTreeNode p = previous != null ? ( MutableTreeNode ) previous.getLastPathComponent () : null;
                final MutableTreeNode c = current != null ? ( MutableTreeNode ) current.getLastPathComponent () : null;
                ( ( WebTree ) tree ).fireHoverChanged ( p, c );
            }
        }

        /**
         * Repaints specified row if it exists and it is visible.
         *
         * @param row row to repaint
         */
        private void repaintRow ( final int row )
        {
            if ( 0 <= row && row < tree.getRowCount () )
            {
                tree.repaint ( getRowBounds ( row, true ) );
            }
        }
    };
    hoverNodeTracker.install ();

    // Applying skin
    StyleManager.installSkin ( tree );
}