Example usage for com.google.gwt.event.logical.shared AttachEvent.Handler AttachEvent.Handler

Introduction

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

Prototype

AttachEvent.Handler

Source Link

Usage

From source file:com.github.gwt.user.client.ui.DateTimePickerPanel.java

License:Apache License

/**
 * Binds next, back events. Syncs pager text with state value of grid.
 *//*from   www . j a  v  a2s . c om*/
private void bindPagerAndGrid() {

    pager.addAttachHandler(new AttachEvent.Handler() {
        @Override
        public void onAttachOrDetach(final AttachEvent event) {
            if (getFormatStrategy() != null) {
                String headerString = getFormatStrategy().format(grid.getStateValue());
                pager.setText(headerString);
            }
        }
    });

    grid.addStateChangedHandler(new StateChangedEvent.Handler<Date>() {
        @Override
        public void onEvent(final StateChangedEvent<Date> event) {
            if (getFormatStrategy() != null) {
                String headerString = getFormatStrategy().format(grid.getStateValue());
                pager.setText(headerString);
            }
        }
    });

    pager.addNextHandler(new NextEvent.Handler() {
        @Override
        public void onEvent(final NextEvent event) {
            delegateEvent(grid.asWidget(), event);
        }
    });

    addNextHandler(new NextEvent.Handler() {
        @Override
        public void onEvent(final NextEvent event) {
            delegateEvent(pager, event);
        }
    });

    pager.addBackHandler(new BackEvent.Handler() {
        @Override
        public void onEvent(final BackEvent event) {
            delegateEvent(grid.asWidget(), event);
        }
    });

    addBackHandler(new BackEvent.Handler() {
        @Override
        public void onEvent(final BackEvent event) {
            delegateEvent(pager, event);
        }
    });

    pager.addClickHandler(new ClickHandler() {
        @Override
        public void onClick(ClickEvent event) {
            ShiftUpEvent.fire(DateTimePickerPanel.this, grid.getStateValue());
        }
    });

    grid.addSelectionHandler(new SelectionHandler<Date>() {
        private Date previousSelected;

        @Override
        public void onSelection(SelectionEvent<Date> event) {
            Date selectedItem = event.getSelectedItem();

            if (secondClickToDrill) {
                if (selectedItem != null && selectedItem.equals(previousSelected)) {
                    DrillDownEvent.fire(DateTimePickerPanel.this, grid.getStateValue());
                }
            } else {
                DrillDownEvent.fire(DateTimePickerPanel.this, grid.getStateValue());
            }
            previousSelected = selectedItem;
        }
    });
}

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