Skip to content

Makes MouseEvent handling overridable using EventHandlerTemplates #219

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
TomasMikula merged 1 commit into from
Dec 5, 2015
Merged

Makes MouseEvent handling overridable using EventHandlerTemplates #219

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
49 changes: 42 additions & 7 deletions richtextfx/src/main/java/org/fxmisc/richtext/StyledTextAreaBehavior.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,11 @@ class StyledTextAreaBehavior implements Behavior {

private static final EventHandlerTemplate<StyledTextAreaBehavior, ? super KeyEvent> KEY_PRESSED_TEMPLATE;
private static final EventHandlerTemplate<StyledTextAreaBehavior, ? super KeyEvent> KEY_TYPED_TEMPLATE;
private static final EventHandlerTemplate<StyledTextAreaBehavior, ? super MouseEvent> MOUSE_PRESSED_TEMPLATE;
private static final EventHandlerTemplate<StyledTextAreaBehavior, ? super MouseEvent> MOUSE_DRAGGED_TEMPLATE;
private static final EventHandlerTemplate<StyledTextAreaBehavior, ? super MouseEvent> DRAG_DETECTED_TEMPLATE;
private static final EventHandlerTemplate<StyledTextAreaBehavior, ? super MouseEvent> MOUSE_RELEASED_TEMPLATE;

static {
SelectionPolicy selPolicy = isMac
? SelectionPolicy.EXTEND
Expand Down Expand Up @@ -163,6 +168,26 @@ class StyledTextAreaBehavior implements Behavior {

.create()
.onlyWhen(b -> b.area.isEditable());

MOUSE_PRESSED_TEMPLATE = EventHandlerTemplate
.on(MouseEvent.MOUSE_PRESSED)
.act(StyledTextAreaBehavior::mousePressed)
.create();

MOUSE_DRAGGED_TEMPLATE = EventHandlerTemplate
.on(MouseEvent.MOUSE_DRAGGED)
.act(StyledTextAreaBehavior::mouseDragged)
.create();

DRAG_DETECTED_TEMPLATE = EventHandlerTemplate
.on(MouseEvent.DRAG_DETECTED)
.act(StyledTextAreaBehavior::dragDetected)
.create();

MOUSE_RELEASED_TEMPLATE = EventHandlerTemplate
.on(MouseEvent.MOUSE_RELEASED)
.act(StyledTextAreaBehavior::mouseReleased)
.create();
}

/**
Expand Down Expand Up @@ -218,18 +243,28 @@ private CaretOffsetX getTargetCaretOffset() {
EventHandler<? super KeyEvent> keyPressedHandler = KEY_PRESSED_TEMPLATE.bind(this);
EventHandler<? super KeyEvent> keyTypedHandler = KEY_TYPED_TEMPLATE.bind(this);

EventHandler<? super MouseEvent> mousePressedHandler = MOUSE_PRESSED_TEMPLATE.bind(this);
EventHandler<? super MouseEvent> mouseDraggedHandler = MOUSE_DRAGGED_TEMPLATE.bind(this);
EventHandler<? super MouseEvent> dragDetectedHandler = DRAG_DETECTED_TEMPLATE.bind(this);
EventHandler<? super MouseEvent> mouseReleasedHandler = MOUSE_RELEASED_TEMPLATE.bind(this);

EventHandlerHelper.installAfter(area.onKeyPressedProperty(), keyPressedHandler);
EventHandlerHelper.installAfter(area.onKeyTypedProperty(), keyTypedHandler);

subscription = Subscription.multi(
eventsOf(area, MouseEvent.MOUSE_PRESSED).subscribe(this::mousePressed),
eventsOf(area, MouseEvent.MOUSE_DRAGGED).subscribe(this::mouseDragged),
eventsOf(area, MouseEvent.DRAG_DETECTED).subscribe(this::dragDetected),
eventsOf(area, MouseEvent.MOUSE_RELEASED).subscribe(this::mouseReleased),
() -> {
EventHandlerHelper.installAfter(area.onMousePressedProperty(), mousePressedHandler);
EventHandlerHelper.installAfter(area.onMouseDraggedProperty(), mouseDraggedHandler);
EventHandlerHelper.installAfter(area.onDragDetectedProperty(), dragDetectedHandler);
EventHandlerHelper.installAfter(area.onMouseReleasedProperty(), mouseReleasedHandler);

subscription = () -> {
EventHandlerHelper.remove(area.onKeyPressedProperty(), keyPressedHandler);
EventHandlerHelper.remove(area.onKeyTypedProperty(), keyTypedHandler);
});

EventHandlerHelper.remove(area.onMousePressedProperty(), mousePressedHandler);
EventHandlerHelper.remove(area.onMouseDraggedProperty(), mouseDraggedHandler);
EventHandlerHelper.remove(area.onDragDetectedProperty(), dragDetectedHandler);
EventHandlerHelper.remove(area.onMouseReleasedProperty(), mouseReleasedHandler);
};

// setup auto-scroll
Val<Point2D> projection = Val.combine(
Expand Down
⚡