org.geomajas.gwt2.widget.client.featureselectbox.view.FeatureSelectBox.java Source code

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Here is the source code for org.geomajas.gwt2.widget.client.featureselectbox.view.FeatureSelectBox.java

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/*
 * This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
 *
 * Copyright 2008-2014 Geosparc nv, http://www.geosparc.com/, Belgium.
 *
 * The program is available in open source according to the GNU Affero
 * General Public License. All contributions in this program are covered
 * by the Geomajas Contributors License Agreement. For full licensing
 * details, see LICENSE.txt in the project root.
 */
package org.geomajas.gwt2.widget.client.featureselectbox.view;

import java.util.List;

import org.geomajas.gwt2.widget.client.featureselectbox.presenter.FeatureSelectBoxPresenter.Handler;
import org.geomajas.gwt2.widget.client.featureselectbox.resource.FeatureSelectBoxResource;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * Tool tip box that is shown when the MouseOverListener is added to the map.
 * 
 * @author Dosi Bingov
 * 
 */
public class FeatureSelectBox
        implements org.geomajas.gwt2.widget.client.featureselectbox.presenter.FeatureSelectBoxPresenter.View {

    private Handler handler;

    private PopupPanel thepanel;

    private int xPos;

    private int yPos;

    @UiField
    protected VerticalPanel contentPanel;

    private static final FeatureSelectBoxUiBinder UIBINDER = GWT.create(FeatureSelectBoxUiBinder.class);

    /**
     * UI binder interface.
     * 
     * @author Dosi Bingov
     * 
     */
    interface FeatureSelectBoxUiBinder extends UiBinder<Widget, FeatureSelectBox> {
    }

    /**
     * FeatureClickHandler that handles click on feature label.
     * 
     * @author Dosi Bingov
     * 
     */
    private class FeatureClickHandler implements ClickHandler {

        @Override
        public void onClick(ClickEvent event) {
            Label label = (Label) event.getSource();
            handler.onFeatureSelected(label.getText());
        }
    }

    private FeatureClickHandler featureClickHandler = new FeatureClickHandler();

    public FeatureSelectBox() {
        thepanel = (PopupPanel) UIBINDER.createAndBindUi(this);
        thepanel.addStyleName(FeatureSelectBoxResource.INSTANCE.css().featureSelectBox());
        FeatureSelectBoxResource.INSTANCE.css().ensureInjected();

    }

    public void hide() {
        thepanel.hide();
    }

    @Override
    public Widget asWidget() {
        return thepanel;
    }

    public void clear() {
        contentPanel.clear();
    }

    @Override
    public void setHandler(Handler handler) {
        this.handler = handler;
    }

    @Override
    public void setLabels(List<String> labels) {
        contentPanel.clear();

        for (String s : labels) {
            Label label = new Label();
            label.setStyleName(FeatureSelectBoxResource.INSTANCE.css().featureSelectBoxCell());
            label.setText(s);
            label.addClickHandler(featureClickHandler);
            contentPanel.add(label);
        }
    }

    @Override
    public void show(boolean animated) {
        // show widget only if there is content to show
        if (contentPanel.getWidgetCount() > 0) {
            thepanel.setPopupPosition(xPos, yPos);
            thepanel.setAnimationEnabled(animated);
            thepanel.show();
        }
    }

    @Override
    public void addLabel(String label) {
        Label l = new Label();
        l.setText(label);
        l.setStyleName(FeatureSelectBoxResource.INSTANCE.css().featureSelectBoxCell());
        l.addClickHandler(featureClickHandler);
        contentPanel.add(l);
    }

    @Override
    public void setShowPosition(int xPos, int yPos) {
        this.xPos = xPos;
        this.yPos = yPos;
    }

    @Override
    public boolean isVisible() {
        return thepanel.isVisible();
    }
}