Examples with Canvas edu.mit.blocks.workspace.BlockCanvas.Canvas used on opensource projects

Example 1 with Canvas

use of edu.mit.blocks.workspace.BlockCanvas.Canvas in project openblocks by mikaelhg.

the class FocusTraversalManager method grabFocus.

// /////////////////
// MOUSE METHODS //
// /////////////////
/**
 * Action: removes the focus current focused block
 * 		   and places new focus on e.getSource
 * @requires e != null
 * @modifies this.blockFocusOwner && e.getSource
 * @effects removes focus from this.blockFocusOwner
 * 			adds focus to e.getSource iff e.getSource
 * 			is instance of BlockCanvas and RenderableBlock
 */
private void grabFocus(MouseEvent e) {
    // System.out.println("FocusManager: Mouse Event at ("+ e.getX()+", "+e.getY()+") on "+e.getSource());
    if (e.getSource() instanceof Canvas) {
        // get canvas point
        Point canvasPoint = e.getPoint();
        /*        	SwingUtilities.convertPoint(
            (BlockCanvas)e.getSource(),
            e.getPoint(),
            ((BlockCanvas)e.getSource()).getCanvas());*/
        setFocus(canvasPoint, Block.NULL);
        ((Canvas) e.getSource()).grabFocus();
    } else if (e.getSource() instanceof RenderableBlock) {
        setFocus(((RenderableBlock) e.getSource()).getBlockID());
        ((RenderableBlock) e.getSource()).grabFocus();
    }
}