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

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Here is the source code for org.geowe.client.local.main.tool.info.RasterInfoDialog.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.List;

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

import org.geowe.client.local.ImageProvider;
import org.geowe.client.local.layermanager.ChangeSelectedLayerListener;
import org.geowe.client.local.layermanager.RemoveLayerListener;
import org.geowe.client.local.messages.UIMessages;
import org.gwtopenmaps.openlayers.client.layer.Layer;
import org.gwtopenmaps.openlayers.client.layer.Vector;

import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.sencha.gxt.widget.core.client.Dialog;
import com.sencha.gxt.widget.core.client.form.TextArea;
import com.sencha.gxt.widget.core.client.form.TextField;

/**
 * 
 * @author geowe.org
 *
 */
@ApplicationScoped
public class RasterInfoDialog extends Dialog implements RemoveLayerListener, ChangeSelectedLayerListener {

    private TextField layerNameField;
    private TextField projectionField;
    private TextField baseLayerField;

    private Layer selectedLayer;
    private TextField layerZoomField;

    private TextArea layerScalesTextArea;
    private TextArea layerResolutionsTextArea;

    public RasterInfoDialog() {
        super();
        this.getHeader().setIcon(ImageProvider.INSTANCE.layer16());
        this.setHeadingText(UIMessages.INSTANCE.lidTitle());
        this.setPredefinedButtons(PredefinedButton.CLOSE);
        this.setPixelSize(530, 350);
        this.setModal(false);
        this.setResizable(false);
        this.setHideOnButtonClick(true);
    }

    @PostConstruct
    private void initialize() {
        add(createPanel());
    }

    private Widget createPanel() {
        String fieldWidth = "225px";
        HorizontalPanel hPanel = new HorizontalPanel();
        hPanel.setSpacing(10);
        // Panel izquierdo
        VerticalPanel leftPanel = new VerticalPanel();
        leftPanel.setSpacing(5);

        layerNameField = new TextField();
        layerNameField.setEnabled(false);
        layerNameField.setWidth(fieldWidth);
        leftPanel.add(new Label((UIMessages.INSTANCE.lidLayerNameLabel())));
        leftPanel.add(layerNameField);

        projectionField = new TextField();
        projectionField.setEnabled(false);
        projectionField.setWidth(fieldWidth);
        leftPanel.add(new Label((UIMessages.INSTANCE.lidProjectionLabel())));
        leftPanel.add(projectionField);

        baseLayerField = new TextField();
        baseLayerField.setEnabled(false);
        baseLayerField.setWidth(fieldWidth);
        leftPanel.add(new Label((UIMessages.INSTANCE.baseLayer())));
        leftPanel.add(baseLayerField);

        layerZoomField = new TextField();
        layerZoomField.setEnabled(false);
        layerZoomField.setWidth(fieldWidth);
        leftPanel.add(new Label((UIMessages.INSTANCE.mpZoomToolsLabel() + "(min/max)")));
        leftPanel.add(layerZoomField);

        // Panel derecho
        VerticalPanel rightPanel = new VerticalPanel();
        leftPanel.setSpacing(5);

        layerScalesTextArea = new TextArea();
        layerScalesTextArea.setSize(fieldWidth, "100px");
        layerScalesTextArea.setEnabled(false);
        rightPanel.add(new Label((UIMessages.INSTANCE.scales())));
        rightPanel.add(layerScalesTextArea);
        layerScalesTextArea.setToolTip(UIMessages.INSTANCE.scalesDescription());

        layerResolutionsTextArea = new TextArea();
        layerResolutionsTextArea.setSize(fieldWidth, "100px");
        layerResolutionsTextArea.setEnabled(false);
        rightPanel.add(new Label((UIMessages.INSTANCE.resolution())));
        rightPanel.add(layerResolutionsTextArea);
        layerResolutionsTextArea.setToolTip(UIMessages.INSTANCE.resolutionsDescription());

        hPanel.add(leftPanel);
        hPanel.add(rightPanel);
        return hPanel;
    }

    public void setSelectedLayer(Layer layer) {
        selectedLayer = layer;
        updateData();
    }

    private void updateData() {
        layerNameField.setText(selectedLayer.getName());
        projectionField.setText(selectedLayer.getProjection().getProjectionCode());
        baseLayerField.setText(Boolean.toString(selectedLayer.isBaseLayer()));
        layerZoomField.setText(selectedLayer.getMinZoomLevel() + "/" + selectedLayer.getMaxZoomLevel());
        layerScalesTextArea.setText(asString(selectedLayer.getScales()));
        layerResolutionsTextArea.setText(asString(selectedLayer.getResolutions()));
    }

    private String asString(double... values) {
        StringBuilder stringValues = new StringBuilder();
        if (values != null) {
            for (Double scale : values) {
                stringValues.append(scale);
                stringValues.append(" - ");
            }
        }
        return stringValues.toString();
    }

    @Override
    public void onRemoveLayer(List<Layer> allLayers) {
        this.hide();
    }

    @Override
    public void onChange(Vector layer) {
        if (layer instanceof Layer) {
            setSelectedLayer((Layer) layer);
        }
    }

}