Example usage for com.google.gwt.event.dom.client GestureStartHandler GestureStartHandler

Introduction

In this page you can find the example usage for com.google.gwt.event.dom.client GestureStartHandler GestureStartHandler.

Prototype

GestureStartHandler

Source Link

Usage

From source file:anagram.client.GwtCanvasDemo.java

License:Apache License

void initHandlers() {
    canvas.addMouseMoveHandler(new MouseMoveHandler() {
        public void onMouseMove(MouseMoveEvent event) {
            mouseX = event.getRelativeX(canvas.getElement());
            mouseY = event.getRelativeY(canvas.getElement());
        }/*from   www. j ava2s.  c  om*/
    });

    canvas.addMouseOutHandler(new MouseOutHandler() {
        public void onMouseOut(MouseOutEvent event) {
            mouseX = -200;
            mouseY = -200;
        }
    });

    canvas.addTouchMoveHandler(new TouchMoveHandler() {
        public void onTouchMove(TouchMoveEvent event) {
            event.preventDefault();
            if (event.getTouches().length() > 0) {
                Touch touch = event.getTouches().get(0);
                mouseX = touch.getRelativeX(canvas.getElement());
                mouseY = touch.getRelativeY(canvas.getElement());
            }
            event.preventDefault();
        }
    });

    canvas.addTouchEndHandler(new TouchEndHandler() {
        public void onTouchEnd(TouchEndEvent event) {
            event.preventDefault();
            mouseX = -200;
            mouseY = -200;
        }
    });

    canvas.addGestureStartHandler(new GestureStartHandler() {
        public void onGestureStart(GestureStartEvent event) {
            event.preventDefault();
        }
    });
}

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From source file:com.ait.lienzo.client.widget.LienzoHandlerManager.java

License:Open Source License

private final void addHandlers() {
    m_lienzo.addClickHandler(new ClickHandler() {
        @Override//from   www .j  av  a  2 s. c  o  m
        public void onClick(final ClickEvent event) {
            event.preventDefault();

            onNodeMouseClick(new NodeMouseClickEvent(event));
        }
    });
    m_lienzo.addDoubleClickHandler(new DoubleClickHandler() {
        @Override
        public void onDoubleClick(final DoubleClickEvent event) {
            event.preventDefault();

            onNodeMouseDoubleClick(new NodeMouseDoubleClickEvent(event));
        }
    });
    m_lienzo.addMouseMoveHandler(new MouseMoveHandler() {
        @Override
        public void onMouseMove(final MouseMoveEvent event) {
            event.preventDefault();

            if ((m_dragging) && (m_dragging_using_touches)) {
                return; // Ignore weird Mouse Move (0,0) in the middle of a Touch Drag on iOS/Safari
            }
            final NodeMouseMoveEvent nevent = new NodeMouseMoveEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseMove(nevent);
        }
    });
    m_lienzo.addMouseUpHandler(new MouseUpHandler() {
        @Override
        public void onMouseUp(final MouseUpEvent event) {
            final NodeMouseUpEvent nevent = new NodeMouseUpEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseUp(nevent);
        }
    });
    m_lienzo.addMouseDownHandler(new MouseDownHandler() {
        @Override
        public void onMouseDown(final MouseDownEvent event) {
            event.preventDefault();

            final NodeMouseDownEvent nevent = new NodeMouseDownEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseDown(nevent);
        }
    });
    m_lienzo.addMouseOutHandler(new MouseOutHandler() {
        @Override
        public void onMouseOut(final MouseOutEvent event) {
            final NodeMouseOutEvent nevent = new NodeMouseOutEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseOut(nevent);
        }
    });
    m_lienzo.addMouseOverHandler(new MouseOverHandler() {
        @Override
        public void onMouseOver(final MouseOverEvent event) {
            final NodeMouseOverEvent nevent = new NodeMouseOverEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseOver(nevent);
        }
    });
    m_lienzo.addMouseWheelHandler(new MouseWheelHandler() {
        @Override
        public void onMouseWheel(final MouseWheelEvent event) {
            final NodeMouseWheelEvent nevent = new NodeMouseWheelEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                event.stopPropagation();
            } else {
                fireEvent(nevent);
            }
        }
    });
    m_lienzo.addTouchCancelHandler(new TouchCancelHandler() {
        @Override
        public void onTouchCancel(final TouchCancelEvent event) {
            event.preventDefault();

            final NodeTouchCancelEvent nevent = new NodeTouchCancelEvent(event, getTouches(event));

            if (m_mediators.handleEvent(event)) {
                return;
            }
            onNodeMouseOut(nevent);
        }
    });
    m_lienzo.addTouchEndHandler(new TouchEndHandler() {
        @Override
        public void onTouchEnd(final TouchEndEvent event) {
            event.preventDefault();

            final NodeTouchEndEvent nevent = new NodeTouchEndEvent(event, m_touches);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseUp(nevent);
        }
    });
    m_lienzo.addTouchMoveHandler(new TouchMoveHandler() {
        @Override
        public void onTouchMove(final TouchMoveEvent event) {
            event.preventDefault();

            m_touches = getTouches(event);

            final NodeTouchMoveEvent nevent = new NodeTouchMoveEvent(event, m_touches);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseMove(nevent);
        }
    });
    m_lienzo.addTouchStartHandler(new TouchStartHandler() {
        @Override
        public void onTouchStart(final TouchStartEvent event) {
            event.preventDefault();

            m_touches = getTouches(event);

            final NodeTouchStartEvent nevent = new NodeTouchStartEvent(event, m_touches);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseDown(nevent);
        }
    });
    m_lienzo.addGestureStartHandler(new GestureStartHandler() {
        @Override
        public void onGestureStart(final GestureStartEvent event) {
            event.preventDefault();

            final NodeGestureStartEvent nevent = new NodeGestureStartEvent(event.getScale(),
                    event.getRotation());

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            fireEvent(nevent);
        }
    });
    m_lienzo.addGestureEndHandler(new GestureEndHandler() {
        @Override
        public void onGestureEnd(final GestureEndEvent event) {
            event.preventDefault();

            final NodeGestureEndEvent nevent = new NodeGestureEndEvent(event.getScale(), event.getRotation());

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            fireEvent(nevent);
        }
    });
    m_lienzo.addGestureChangeHandler(new GestureChangeHandler() {
        @Override
        public void onGestureChange(final GestureChangeEvent event) {
            event.preventDefault();

            final NodeGestureChangeEvent nevent = new NodeGestureChangeEvent(event.getScale(),
                    event.getRotation());

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            fireEvent(nevent);
        }
    });
}

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From source file:com.ait.lienzo.client.widget.panel.impl.LienzoPanelHandlerManager.java

License:Open Source License

private final void addHandlers() {
    handlerRegistrationManager.register(m_lienzo.addClickHandler(new ClickHandler() {
        @Override//from www .j a v  a  2 s.  c  o  m
        public void onClick(final ClickEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseClickEventHandle().onMouseEventBefore(event)) {
                m_dragging_mouse_pressed = false; // could have been set previously by a mousedown, it will need cleaning up
                m_dragging_ignore_clicks = false;
                m_dragging = false;
                return;
            }

            onNodeMouseClick(new NodeMouseClickEvent(event));
            checkPressedMouseButton(event.getNativeButton());

            m_viewport.getOnEventHandlers().getOnMouseClickEventHandle().onMouseEventAfter(event);
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addDoubleClickHandler(new DoubleClickHandler() {
        @Override
        public void onDoubleClick(final DoubleClickEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseDoubleClickEventHandle().onMouseEventBefore(event)) {
                return;
            }

            onNodeMouseDoubleClick(new NodeMouseDoubleClickEvent(event));
            checkPressedMouseButton(event.getNativeButton());

            event.preventDefault();

            m_viewport.getOnEventHandlers().getOnMouseDoubleClickEventHandle().onMouseEventBefore(event);
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addMouseMoveHandler(new MouseMoveHandler() {
        @Override
        public void onMouseMove(final MouseMoveEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseMoveEventHandle().onMouseEventBefore(event)) {
                return;
            }

            if ((m_dragging) && (m_dragging_using_touches)) {
                event.preventDefault();

                return;// Ignore weird Mouse Move (0,0) in the middle of a Touch Drag on iOS/Safari
            }
            final NodeMouseMoveEvent nevent = new NodeMouseMoveEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                return;
            }
            checkPressedMouseButton(event.getNativeButton());

            onNodeMouseMove(nevent);

            event.preventDefault();

            m_viewport.getOnEventHandlers().getOnMouseMoveEventHandle().onMouseEventBefore(event);
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addMouseUpHandler(new MouseUpHandler() {
        @Override
        public void onMouseUp(final MouseUpEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseUpEventHandle().onMouseEventBefore(event)) {
                m_dragging_mouse_pressed = false; // could have been set previously by a mousedown, it will need cleaning up
                m_dragging_ignore_clicks = false;
                m_dragging = false;
                return;
            }

            final NodeMouseUpEvent nevent = new NodeMouseUpEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }

            checkPressedMouseButton(event.getNativeButton());

            onNodeMouseUp(nevent);

            m_viewport.getOnEventHandlers().getOnMouseUpEventHandle().onMouseEventBefore(event);
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addMouseDownHandler(new MouseDownHandler() {
        @Override
        public void onMouseDown(final MouseDownEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseDownEventHandle().onMouseEventBefore(event)) {
                return;
            }

            final NodeMouseDownEvent nevent = new NodeMouseDownEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                return;
            }

            checkPressedMouseButton(event.getNativeButton());

            onNodeMouseDown(nevent);

            m_viewport.getOnEventHandlers().getOnMouseDownEventHandle().onMouseEventBefore(event);
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addMouseOutHandler(new MouseOutHandler() {
        @Override
        public void onMouseOut(final MouseOutEvent event) {
            final NodeMouseOutEvent nevent = new NodeMouseOutEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseOut(nevent);
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addMouseOverHandler(new MouseOverHandler() {
        @Override
        public void onMouseOver(final MouseOverEvent event) {
            final NodeMouseOverEvent nevent = new NodeMouseOverEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseOver(nevent);
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addMouseWheelHandler(new MouseWheelHandler() {
        @Override
        public void onMouseWheel(final MouseWheelEvent event) {
            final NodeMouseWheelEvent nevent = new NodeMouseWheelEvent(event);

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                event.stopPropagation();
            } else {
                fireEvent(nevent);
            }
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addTouchCancelHandler(new TouchCancelHandler() {
        @Override
        public void onTouchCancel(final TouchCancelEvent event) {
            final NodeTouchCancelEvent nevent = new NodeTouchCancelEvent(event, getTouches(event));

            if (m_mediators.handleEvent(event)) {
                event.preventDefault();

                return;
            }
            onNodeMouseOut(nevent);

            event.preventDefault();
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addTouchEndHandler(new TouchEndHandler() {
        @Override
        public void onTouchEnd(final TouchEndEvent event) {
            final NodeTouchEndEvent nevent = new NodeTouchEndEvent(event, m_touches);

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                return;
            }
            onNodeMouseUp(nevent);

            event.preventDefault();
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addTouchMoveHandler(new TouchMoveHandler() {
        @Override
        public void onTouchMove(final TouchMoveEvent event) {
            m_touches = getTouches(event);

            final NodeTouchMoveEvent nevent = new NodeTouchMoveEvent(event, m_touches);

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                return;
            }
            onNodeMouseMove(nevent);

            event.preventDefault();
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addTouchStartHandler(new TouchStartHandler() {
        @Override
        public void onTouchStart(final TouchStartEvent event) {
            m_touches = getTouches(event);

            final NodeTouchStartEvent nevent = new NodeTouchStartEvent(event, m_touches);

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                return;
            }
            onNodeMouseDown(nevent);

            event.preventDefault();
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addGestureStartHandler(new GestureStartHandler() {
        @Override
        public void onGestureStart(final GestureStartEvent event) {
            final NodeGestureStartEvent nevent = new NodeGestureStartEvent(event.getScale(),
                    event.getRotation());

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                return;
            }
            fireEvent(nevent);

            event.preventDefault();
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addGestureEndHandler(new GestureEndHandler() {
        @Override
        public void onGestureEnd(final GestureEndEvent event) {
            final NodeGestureEndEvent nevent = new NodeGestureEndEvent(event.getScale(), event.getRotation());

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                return;
            }
            fireEvent(nevent);

            event.preventDefault();
        }
    }));
    handlerRegistrationManager.register(m_lienzo.addGestureChangeHandler(new GestureChangeHandler() {
        @Override
        public void onGestureChange(final GestureChangeEvent event) {
            final NodeGestureChangeEvent nevent = new NodeGestureChangeEvent(event.getScale(),
                    event.getRotation());

            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();

                return;
            }
            fireEvent(nevent);

            event.preventDefault();
        }
    }));
}

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From source file:com.emitrom.lienzo.client.widget.LienzoHandlerManager.java

License:Open Source License

private final void addHandlers() {
    m_lienzo.addClickHandler(new ClickHandler() {
        @Override//from  w ww  .  j  a v a 2s  .  c o  m
        public void onClick(ClickEvent event) {
            event.preventDefault();

            onNodeMouseClick(new NodeMouseClickEvent(event));
        }
    });
    m_lienzo.addDoubleClickHandler(new DoubleClickHandler() {
        @Override
        public void onDoubleClick(DoubleClickEvent event) {
            onNodeMouseDoubleClick(new NodeMouseDoubleClickEvent(event));
        }
    });
    m_lienzo.addMouseMoveHandler(new MouseMoveHandler() {
        @Override
        public void onMouseMove(MouseMoveEvent event) {
            event.preventDefault();

            NodeMouseMoveEvent nodeEvent = new NodeMouseMoveEvent(event);

            if ((m_dragging) && (m_dragging_using_touches)) {
                return; // Ignore weird Mouse Move (0,0) in the middle of a Touch Drag on iOS/Safari
            }
            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            onNodeMouseMove(nodeEvent);
        }
    });
    m_lienzo.addMouseUpHandler(new MouseUpHandler() {
        @Override
        public void onMouseUp(MouseUpEvent event) {
            NodeMouseUpEvent nodeEvent = new NodeMouseUpEvent(event);

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            onNodeMouseUp(nodeEvent);
        }
    });
    m_lienzo.addMouseDownHandler(new MouseDownHandler() {
        @Override
        public void onMouseDown(MouseDownEvent event) {
            event.preventDefault();

            NodeMouseDownEvent nodeEvent = new NodeMouseDownEvent(event);

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            onNodeMouseDown(nodeEvent);
        }
    });
    m_lienzo.addMouseOutHandler(new MouseOutHandler() {
        @Override
        public void onMouseOut(MouseOutEvent event) {
            NodeMouseOutEvent nodeEvent = new NodeMouseOutEvent(event);

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            onNodeMouseOut(nodeEvent);
        }
    });
    m_lienzo.addMouseOverHandler(new MouseOverHandler() {
        @Override
        public void onMouseOver(MouseOverEvent event) {
            NodeMouseOverEvent nodeEvent = new NodeMouseOverEvent(event);

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            onNodeMouseOver(nodeEvent);
        }
    });
    m_lienzo.addMouseWheelHandler(new MouseWheelHandler() {
        @Override
        public void onMouseWheel(MouseWheelEvent event) {
            NodeMouseWheelEvent nodeEvent = new NodeMouseWheelEvent(event);

            if (false == m_mediators.handleEvent(nodeEvent)) {
                fireEvent(nodeEvent);
            } else {
                event.preventDefault();

                event.stopPropagation();
            }
        }
    });
    m_lienzo.addTouchCancelHandler(new TouchCancelHandler() {
        @Override
        public void onTouchCancel(TouchCancelEvent event) {
            event.preventDefault();

            NodeTouchCancelEvent nodeEvent = new NodeTouchCancelEvent(getTouches(event));

            if (m_mediators.handleEvent(event)) {
                return;
            }
            onNodeMouseOut(nodeEvent);
        }
    });
    m_lienzo.addTouchEndHandler(new TouchEndHandler() {
        @Override
        public void onTouchEnd(TouchEndEvent event) {
            event.preventDefault();

            NodeTouchEndEvent nodeEvent = new NodeTouchEndEvent(m_touches);

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            onNodeMouseUp(nodeEvent);
        }
    });
    m_lienzo.addTouchMoveHandler(new TouchMoveHandler() {
        @Override
        public void onTouchMove(TouchMoveEvent event) {
            event.preventDefault();

            m_touches = getTouches(event);

            NodeTouchMoveEvent nodeEvent = new NodeTouchMoveEvent(m_touches);

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            onNodeMouseMove(nodeEvent);
        }
    });
    m_lienzo.addTouchStartHandler(new TouchStartHandler() {
        @Override
        public void onTouchStart(TouchStartEvent event) {
            event.preventDefault();

            m_touches = getTouches(event);

            NodeTouchStartEvent nodeEvent = new NodeTouchStartEvent(m_touches);

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            onNodeMouseDown(nodeEvent);
        }
    });
    m_lienzo.addGestureStartHandler(new GestureStartHandler() {
        @Override
        public void onGestureStart(GestureStartEvent event) {
            event.preventDefault();

            NodeGestureStartEvent nodeEvent = new NodeGestureStartEvent(event.getScale(), event.getRotation());

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            fireEvent(nodeEvent);
        }
    });
    m_lienzo.addGestureEndHandler(new GestureEndHandler() {
        @Override
        public void onGestureEnd(GestureEndEvent event) {
            event.preventDefault();

            NodeGestureEndEvent nodeEvent = new NodeGestureEndEvent(event.getScale(), event.getRotation());

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            fireEvent(nodeEvent);
        }
    });
    m_lienzo.addGestureChangeHandler(new GestureChangeHandler() {
        @Override
        public void onGestureChange(GestureChangeEvent event) {
            event.preventDefault();

            NodeGestureChangeEvent nodeEvent = new NodeGestureChangeEvent(event.getScale(),
                    event.getRotation());

            if (m_mediators.handleEvent(nodeEvent)) {
                return;
            }
            fireEvent(nodeEvent);
        }
    });
}

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