org.geowe.client.local.main.tool.info.WmsGetInfoTool.java Source code

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Here is the source code for org.geowe.client.local.main.tool.info.WmsGetInfoTool.java

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/*
 * #%L
 * GeoWE Project
 * %%
 * Copyright (C) 2015 - 2016 GeoWE.org
 * %%
 * This file is part of GeoWE.org.
 * 
 * GeoWE is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * GeoWE is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with GeoWE.  If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */
package org.geowe.client.local.main.tool.info;

import java.util.ArrayList;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.enterprise.context.ApplicationScoped;

import org.geowe.client.local.ImageProvider;
import org.geowe.client.local.layermanager.ChangeSelectedWMSLayerListener;
import org.geowe.client.local.layermanager.LayerManagerWidget;
import org.geowe.client.local.main.map.GeoMap;
import org.geowe.client.local.main.tool.ToggleTool;
import org.geowe.client.local.messages.UIMessages;
import org.geowe.client.local.ui.ProgressBarDialog;
import org.gwtopenmaps.openlayers.client.control.Control;
import org.gwtopenmaps.openlayers.client.control.WMSGetFeatureInfo;
import org.gwtopenmaps.openlayers.client.control.WMSGetFeatureInfoOptions;
import org.gwtopenmaps.openlayers.client.event.GetFeatureInfoListener;
import org.gwtopenmaps.openlayers.client.layer.Layer;
import org.gwtopenmaps.openlayers.client.layer.WMS;

import com.google.gwt.user.client.ui.HTML;
import com.google.inject.Inject;
import com.sencha.gxt.core.client.Style.Side;
import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
import com.sencha.gxt.widget.core.client.Dialog;
import com.sencha.gxt.widget.core.client.Dialog.PredefinedButton;
import com.sencha.gxt.widget.core.client.container.HorizontalLayoutContainer;

/**
 * Get WMS layer Info
 * 
 * @author geowe
 *  
 * @since 30/08/2016
 * @author jose@geowe.org
 * Se crea el control WmsGetInfo en funcin de capa WMS seleccionada en el rbol de capas
 * 
 */
@ApplicationScoped
public class WmsGetInfoTool extends ToggleTool implements ChangeSelectedWMSLayerListener {

    @Inject
    public WmsGetInfoTool(GeoMap geoMap, LayerManagerWidget layerManager) {
        super(UIMessages.INSTANCE.wmsInfo(), ImageProvider.INSTANCE.layerIcon(), geoMap, layerManager);
        setToolTipConfig(createTooltipConfig(UIMessages.INSTANCE.wmsInfo(), UIMessages.INSTANCE.wmsInfoToolTip(),
                Side.LEFT));
    }

    @PostConstruct
    private void initialize() {
        add(WMSGetFeatureInfo(null));
    }

    private GetFeatureInfoListener getFeatureInfoListener() {

        return new GetFeatureInfoListener() {
            @Override
            public void onGetFeatureInfo(final GetFeatureInfoEvent eventObject) {

                final ProgressBarDialog progressBar = new ProgressBarDialog(false,
                        UIMessages.INSTANCE.processing());
                progressBar.show();
                final HTML html = new HTML(eventObject.getText());
                progressBar.hide();
                showDialog(html);
            }
        };
    }

    public Control WMSGetFeatureInfo(final WMS layer) {

        final WMSGetFeatureInfoOptions wmsGetFeatureInfoOptions = new WMSGetFeatureInfoOptions();
        wmsGetFeatureInfoOptions.setMaxFeaturess(50);
        wmsGetFeatureInfoOptions.setDrillDown(true);
        if (layer != null) {
            final List<WMS> layers = new ArrayList<WMS>();
            layers.add(layer);
            wmsGetFeatureInfoOptions.setTitle(layer.getName());
            wmsGetFeatureInfoOptions.setLayers(layers.toArray(new WMS[] {}));
        }

        final WMSGetFeatureInfo wmsGetFeatureInfo = new WMSGetFeatureInfo(wmsGetFeatureInfoOptions);

        wmsGetFeatureInfo.addGetFeatureListener(getFeatureInfoListener());
        return wmsGetFeatureInfo;

    }

    private void showDialog(final HTML info) {
        final Dialog simple = new Dialog();
        simple.setHeadingText(UIMessages.INSTANCE.wmsInfo());
        HorizontalLayoutContainer container = new HorizontalLayoutContainer();
        container.setScrollMode(ScrollMode.AUTO);
        container.setSize("280px", "180px");

        container.add(replaceHref(info));
        simple.setSize("300px", "200px");
        simple.setResizable(true);
        simple.setHideOnButtonClick(true);
        simple.setPredefinedButtons(PredefinedButton.CLOSE);
        simple.setBodyStyleName("pad-text");
        simple.getBody().addClassName("pad-text");

        simple.add(container);

        simple.show();
    }

    private HTML replaceHref(final HTML html) {
        return new HTML(html.getHTML().replace("<a", "<a target=\"_blank\" "));
    }

    @Override
    public void setLayer(final Layer layer) {
        //Se anula para esta herramienta
    }

    @Override
    public void onChange(final WMS layer) {
        setWMSLayer(layer);
    }
}