diff options
Diffstat (limited to 'src/jcgp/gui/handlers/NodeHandlers.java')
| -rw-r--r-- | src/jcgp/gui/handlers/NodeHandlers.java | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/jcgp/gui/handlers/NodeHandlers.java b/src/jcgp/gui/handlers/NodeHandlers.java index 8c9c465..10a334a 100644 --- a/src/jcgp/gui/handlers/NodeHandlers.java +++ b/src/jcgp/gui/handlers/NodeHandlers.java @@ -8,21 +8,38 @@ import jcgp.gui.population.GUIGene; import jcgp.gui.population.GUIGene.GUIGeneState; import jcgp.gui.population.GUINode; +/** + * Holds the handlers that define the behaviour of {@code GUINode}. + * <br><br> + * The handlers are instantiated here statically and added to {@code GUINode} + * instances using {@code NodeHandlers.addHandlers(...)}. This guarantees that + * all nodes behave the same way without instantiating a new set of handlers for + * each node instance. + * + * @author Eduardo Pedroni + * + */ public final class NodeHandlers { + /** + * Set the node to {@code GUIGeneState.HOVER} state, and set its immediate connections to {@code GUIGeneState.EXTENDED_HOVER}. + */ private static EventHandler<MouseEvent> mouseEnteredHandler = new EventHandler<MouseEvent>() { @Override public void handle(MouseEvent event) { // acquire the source, we can safely cast it to GUINode GUINode source = (GUINode) event.getSource(); + source.setState(GUIGeneState.HOVER); - for (int i = 0; i < GUI.resources.arity(); i++) { ((GUIGene) ((Gene) source.getNode().getConnection(i)).getGUIObject()).setState(GUIGeneState.EXTENDED_HOVER); } } }; + /** + * Set the node and its immediate connections to {@code GUIGeneState.NEUTRAL} state. + */ private static EventHandler<MouseEvent> mouseExitedHandler = new EventHandler<MouseEvent>() { @Override public void handle(MouseEvent event) { @@ -30,13 +47,17 @@ public final class NodeHandlers { GUINode source = (GUINode) event.getSource(); source.setState(GUIGeneState.NEUTRAL); - for (int i = 0; i < GUI.resources.arity(); i++) { ((GUIGene) ((Gene) source.getNode().getConnection(i)).getGUIObject()).setState(GUIGeneState.NEUTRAL); } } }; + /** + * Adds all handlers to the specified node. + * + * @param node the {@code GUINode} to which the handlers will be added. + */ public static void addHandlers(GUINode node) { node.addEventHandler(MouseEvent.MOUSE_ENTERED, mouseEnteredHandler); node.addEventHandler(MouseEvent.MOUSE_EXITED, mouseExitedHandler); |