Examples with Completion org.eclipse.che.ide.api.editor.codeassist.Completion used on opensource projects

Example 1 with Completion

use of org.eclipse.che.ide.api.editor.codeassist.Completion in project che by eclipse.

the class QuickAssistWidget method createItem.

public Element createItem(final CompletionProposal proposal) {
    final Element element = Elements.createLiElement(popupResources.popupStyle().item());
    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);
    final EventListener validateListener = new EventListener() {

        @Override
        public void handleEvent(final Event evt) {
            proposal.getCompletion(new CompletionProposal.CompletionCallback() {

                @Override
                public void onCompletion(final Completion completion) {
                    HandlesUndoRedo undoRedo = null;
                    if (textEditor instanceof UndoableEditor) {
                        UndoableEditor undoableEditor = (UndoableEditor) QuickAssistWidget.this.textEditor;
                        undoRedo = undoableEditor.getUndoRedo();
                    }
                    try {
                        if (undoRedo != null) {
                            undoRedo.beginCompoundChange();
                        }
                        completion.apply(textEditor.getDocument());
                        final LinearRange selection = completion.getSelection(textEditor.getDocument());
                        if (selection != null) {
                            textEditor.getDocument().setSelectedRange(selection, true);
                        }
                    } catch (final Exception e) {
                        Log.error(getClass(), e);
                    } finally {
                        if (undoRedo != null) {
                            undoRedo.endCompoundChange();
                        }
                    }
                }
            });
            hide();
        }
    };
    element.addEventListener(Event.DBLCLICK, validateListener, false);
    element.addEventListener(CUSTOM_EVT_TYPE_VALIDATE, validateListener, false);
    return element;
}