Examples with EventListener elemental.events.EventListener used on opensource projects

Example 11 with EventListener

use of elemental.events.EventListener in project che by eclipse.

the class ContentAssistWidget method createProposalPopupItem.

/**
     * Creates a new proposal item.
     *
     * @param index
     *         of proposal
     */
private Element createProposalPopupItem(int index) {
    final CompletionProposal proposal = proposals.get(index);
    final Element element = Elements.createLiElement(popupResources.popupStyle().item());
    element.setId(Integer.toString(index));
    final Element icon = Elements.createDivElement(popupResources.popupStyle().icon());
    if (proposal.getIcon() != null && proposal.getIcon().getSVGImage() != null) {
        icon.appendChild((Node) proposal.getIcon().getSVGImage().getElement());
    } else if (proposal.getIcon() != null && proposal.getIcon().getImage() != null) {
        icon.appendChild((Node) proposal.getIcon().getImage().getElement());
    }
    element.appendChild(icon);
    final SpanElement label = Elements.createSpanElement(popupResources.popupStyle().label());
    label.setInnerHTML(proposal.getDisplayString());
    element.appendChild(label);
    element.setTabIndex(1);
    final EventListener validateListener = evt -> applyProposal(proposal);
    element.addEventListener(Event.DBLCLICK, validateListener, false);
    element.addEventListener(CUSTOM_EVT_TYPE_VALIDATE, validateListener, false);
    element.addEventListener(Event.CLICK, event -> select(element), false);
    element.addEventListener(Event.FOCUS, this, false);
    element.addEventListener(DOCUMENTATION, new EventListener() {

        @Override
        public void handleEvent(Event event) {
            proposal.getAdditionalProposalInfo(new AsyncCallback<Widget>() {

                @Override
                public void onSuccess(Widget info) {
                    if (info != null) {
                        docPopup.clear();
                        docPopup.add(info);
                        docPopup.getElement().getStyle().setOpacity(1);
                        if (!docPopup.isAttached()) {
                            final int x = popupElement.getOffsetLeft() + popupElement.getOffsetWidth() + 3;
                            final int y = popupElement.getOffsetTop();
                            RootPanel.get().add(docPopup);
                            updateMenuPosition(docPopup, x, y);
                        }
                    } else {
                        docPopup.getElement().getStyle().setOpacity(0);
                    }
                }

                @Override
                public void onFailure(Throwable e) {
                    Log.error(getClass(), e);
                    docPopup.getElement().getStyle().setOpacity(0);
                }
            });
        }
    }, false);
    return element;
}