Example usage for com.google.gwt.event.shared HandlerRegistration HandlerRegistration

Introduction

In this page you can find the example usage for com.google.gwt.event.shared HandlerRegistration HandlerRegistration.

Prototype

HandlerRegistration

Source Link

Usage

From source file:com.ait.lienzo.client.core.shape.Attributes.java

License:Open Source License

public final HandlerRegistration addAttributesChangedHandler(final Attribute attribute,
        final AttributesChangedHandler handler) {
    if ((null == attribute) || (null == handler)) {
        return null;
    }/*  www .  jav a 2  s.c om*/
    if (null != m_ser) {
        final String name = attribute.getProperty();

        if (null == m_set) {
            m_set = new NFastStringCountingSet();
        }
        m_set.inc(name);

        if (null == m_man) {
            m_man = new HandlerManager(m_ser);
        }
        final HandlerRegistration proxy = m_man.addHandler(AttributesChangedEvent.getType(), handler);

        return new HandlerRegistration() {
            @Override
            public void removeHandler() {
                if (null != m_set) {
                    m_set.dec(name);

                    if (m_set.isEmpty()) {
                        m_set = null;
                    }
                }
                proxy.removeHandler();
            }
        };
    }
    return null;
}

From source file:com.arcbees.gquery.appear.client.Appear.java

License:Apache License

private void maybeInitHandlers() {
    if (handlerRegistration == null) {
        final HandlerRegistration scrollHandler = addWindowScrollHandler();
        final HandlerRegistration resizeHandler = addWindowResizeHandler();
        mutationHandler = createMutationHandler();

        final Timer checkForEventsTimer = createEventsTimer();
        checkForEventsTimer.scheduleRepeating(200);

        handlerRegistration = new HandlerRegistration() {
            @Override/*w w  w.  j  av  a 2  s.  c  o m*/
            public void removeHandler() {
                checkForEventsTimer.cancel();
                scrollHandler.removeHandler();
                resizeHandler.removeHandler();
                if (mutationHandler != null) {
                    mutationHandler.disconnect();
                }
            }
        };
    }

    refreshScrollEvents();
}

From source file:com.bearsoft.gwt.ui.widgets.grid.processing.TreeAdapter.java

@Override
public HandlerRegistration addChangesHandler(final Tree.ChangeHandler<T> aHandler) {
    changesHandlers.add(aHandler);// w w w  .jav a2s . c o  m
    return new HandlerRegistration() {

        @Override
        public void removeHandler() {
            changesHandlers.remove(aHandler);
        }
    };
}

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

public HandlerRegistration addOnChangeUploadHandler(final IUploader.OnChangeUploaderHandler handler) {
    assert handler != null;
    onChangeHandlers.add(handler);//  ww  w .  ja va2  s. co  m
    return new HandlerRegistration() {
        public void removeHandler() {
            onChangeHandlers.remove(handler);
        }
    };
}

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

public HandlerRegistration addOnFinishUploadHandler(final IUploader.OnFinishUploaderHandler handler) {
    assert handler != null;
    onFinishHandlers.add(handler);//w  w  w  .  j a v a2 s.c o  m
    return new HandlerRegistration() {
        public void removeHandler() {
            onFinishHandlers.remove(handler);
        }
    };
}

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

public HandlerRegistration addOnStartUploadHandler(final IUploader.OnStartUploaderHandler handler) {
    assert handler != null;
    onStartHandlers.add(handler);//from ww  w .  j  ava2s .c o m
    return new HandlerRegistration() {
        public void removeHandler() {
            onStartHandlers.remove(handler);
        }
    };
}

From source file:com.epam.feel.client.ui.util.gwtupload.FixedUploader.java

License:Apache License

public HandlerRegistration addOnStatusChangedHandler(final OnStatusChangedHandler handler) {
    assert handler != null;
    onStatusChangeHandlers.add(handler);
    return new HandlerRegistration() {
        public void removeHandler() {
            onStatusChangeHandlers.remove(handler);
        }/*from w ww .j  a va  2  s  . c  om*/
    };
}

From source file:com.eucalyptus.webui.client.ExPlaceHistoryHandler.java

License:Open Source License

/**
 * Initialize this place history handler.
 * // www. j  a  va2 s  .c om
 * @return a registration object to de-register the handler
 */
public HandlerRegistration register(PlaceController placeController, EventBus eventBus, Place defaultPlace,
        Place errorPlace) {
    this.placeController = placeController;
    this.defaultPlace = defaultPlace;
    this.errorPlace = errorPlace;

    final HandlerRegistration placeReg = eventBus.addHandler(PlaceChangeEvent.TYPE,
            new PlaceChangeEvent.Handler() {
                public void onPlaceChange(PlaceChangeEvent event) {
                    log().log(Level.INFO, "Place changed");
                    Place newPlace = event.getNewPlace();
                    historian.newItem(tokenForPlace(newPlace), false);
                }
            });

    final HandlerRegistration historyReg = historian.addValueChangeHandler(new ValueChangeHandler<String>() {
        public void onValueChange(ValueChangeEvent<String> event) {
            String token = event.getValue();
            log().log(Level.INFO, "History changed: " + token);
            handleHistoryToken(token);
        }
    });

    return new HandlerRegistration() {
        public void removeHandler() {
            ExPlaceHistoryHandler.this.defaultPlace = Place.NOWHERE;
            ExPlaceHistoryHandler.this.placeController = null;
            placeReg.removeHandler();
            historyReg.removeHandler();
        }
    };
}

From source file:com.google.code.p.gwtchismes.client.editor.GWTCColorPicker.java

License:Apache License

public HandlerRegistration addValueChangeHandler(ValueChangeHandler<GWTCColorPicker> handler) {
    assert changeHandler == null : "Change handler is already defined";
    changeHandler = handler;/*  w w  w.  j av  a  2 s  .co m*/
    return new HandlerRegistration() {
        public void removeHandler() {
            changeHandler = null;
        }
    };
}

From source file:com.google.code.p.gwtchismes.client.editor.GWTCFontPicker.java

License:Apache License

public HandlerRegistration addValueChangeHandler(ValueChangeHandler<GWTCFontPicker> handler) {
    assert changeHandler == null : "Change handler is already defined";
    changeHandler = handler;//from   w w w  . ja  v a 2s . co m
    return new HandlerRegistration() {
        public void removeHandler() {
            changeHandler = null;
        }
    };
}