at.ait.dme.yuma.client.map.annotation.ControlPointComposite.java Source code

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Here is the source code for at.ait.dme.yuma.client.map.annotation.ControlPointComposite.java

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/*
 * Copyright 2008-2010 Austrian Institute of Technology
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they
 * will be approved by the European Commission - subsequent
 * versions of the EUPL (the "Licence");
 * you may not use this work except in compliance with the
 * Licence.
 * You may obtain a copy of the Licence at:
 *
 * http://ec.europa.eu/idabc/eupl
 *
 * Unless required by applicable law or agreed to in
 * writing, software distributed under the Licence is
 * distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied.
 * See the Licence for the specific language governing
 * permissions and limitations under the Licence.
 */

package at.ait.dme.yuma.client.map.annotation;

import java.util.Set;

import com.google.gwt.i18n.client.LocaleInfo;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PushButton;
import com.google.gwt.user.client.ui.Widget;

import at.ait.dme.yuma.client.Application;
import at.ait.dme.yuma.client.image.annotation.ImageAnnotationComposite;
import at.ait.dme.yuma.client.image.annotation.handler.CreateImageAnnotationClickHandler;
import at.ait.dme.yuma.client.map.TiledImageComposite;

/**
 * Composite used to manage control points
 * 
 * @author Christian Sadilek
 * @author Rainer Simon
 */
public class ControlPointComposite extends ImageAnnotationComposite {

    /**
     * 'Create control point' button
     */
    private PushButton createButton;

    public ControlPointComposite(TiledImageComposite imageComposite, ControlPointForm imageAnnotationForm,
            Set<String> shapeTypes) {

        super(imageComposite, imageAnnotationForm, shapeTypes);
    }

    @Override
    protected Widget createHeader() {
        // The parent header panel
        FlowPanel header = new FlowPanel();

        // 'Help geo-Reference' label
        Label addAnnotationLabel = new Label(Application.getConstants().helpGeoreference());
        addAnnotationLabel.setStyleName("imageAnnotation-add-annotation");
        header.add(addAnnotationLabel);

        // 'Help' link
        HTML help = new HTML(
                "<a target=\"_blank\" href=\"userguide_" + LocaleInfo.getCurrentLocale().getLocaleName()
                        + ".html\">" + Application.getConstants().help() + "</a>");
        help.setStyleName("imageAnnotation-help");
        header.add(help);

        // Instructions text
        Label addAnnotationHint = new Label(Application.getConstants().helpGeoreferenceHint());
        addAnnotationHint.setStyleName("imageAnnotation-add-annotation-hint");
        header.add(addAnnotationHint);

        // Button panel
        HorizontalPanel buttons = new HorizontalPanel();

        // 'Create Control Point' button
        createButton = new PushButton(Application.getConstants().actionCreateCP());
        createButton.setStyleName("imageAnnotation-button");
        createButton.addClickHandler(new CreateImageAnnotationClickHandler(this, null, false, false));
        createButton.setEnabled(!Application.getUser().isEmpty());
        buttons.add(createButton);

        header.add(buttons);

        // Placeholder for the annotation form 
        header.add(annotationFormPanel);

        return header;
    }
}