io.pelle.mango.client.gwt.modules.dictionary.controls.GwtReferenceTextControl.java Source code

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Here is the source code for io.pelle.mango.client.gwt.modules.dictionary.controls.GwtReferenceTextControl.java

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/**
 * Copyright (c) 2013 Christian Pelster.
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Christian Pelster - initial API and implementation
 */
package io.pelle.mango.client.gwt.modules.dictionary.controls;

import io.pelle.mango.client.base.vo.IBaseVO;
import io.pelle.mango.client.gwt.ControlHelper;
import io.pelle.mango.client.web.modules.dictionary.controls.IGwtControl;
import io.pelle.mango.client.web.modules.dictionary.controls.ReferenceControl;
import io.pelle.mango.client.web.util.DictionaryModelUtil;

import org.gwtbootstrap3.client.ui.SuggestBox;

import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.ui.SuggestOracle.Suggestion;

public class GwtReferenceTextControl<VOTYPE extends IBaseVO> extends BaseControlWithHelp<SuggestBox>
        implements IGwtControl {

    private ReferenceControl<VOTYPE> referenceControl;

    public GwtReferenceTextControl(final ReferenceControl<VOTYPE> referenceControl) {
        super(new SuggestBox(new MangoSuggestOracle<VOTYPE>(referenceControl)), referenceControl.getModel());

        this.referenceControl = referenceControl;

        ensureDebugId(DictionaryModelUtil.getDebugId(referenceControl.getModel()));
        getWidget().setLimit(5);
        new ControlHelper(getWidget(), referenceControl, this, false);

        getWidget().addSelectionHandler(new SelectionHandler<Suggestion>() {
            @SuppressWarnings("unchecked")
            @Override
            public void onSelection(SelectionEvent<Suggestion> selectionEvent) {
                if (selectionEvent.getSelectedItem() instanceof SuggestionWrapper) {
                    SuggestionWrapper<VOTYPE> suggestionWrapper = (SuggestionWrapper<VOTYPE>) selectionEvent
                            .getSelectedItem();
                    referenceControl.setValue(suggestionWrapper.getValue());
                }

            }
        });

        getWidget().getValueBox().addKeyUpHandler(new KeyUpHandler() {
            @Override
            public void onKeyUp(KeyUpEvent event) {

                String value = getWidget().getValueBox().getValue();
                if (value.trim().isEmpty()) {
                    referenceControl.parseValue("");
                }
            }
        });

    }

    @Override
    public void setContent(Object content) {
        getWidget().setText(referenceControl.format());
    }

}