/**
*
* geo-platform
* Rich webgis framework
* http://geo-platform.org
* ====================================================================
*
* Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
*
* This program 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. This program 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 this program. If not, see http://www.gnu.org/licenses/
*
* ====================================================================
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you permission
* to link this library with independent modules to produce an executable, regardless
* of the license terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided that you also meet,
* for each linked independent module, the terms and conditions of the license of
* that module. An independent module is a module which is not derived from or
* based on this library. If you modify this library, you may extend this exception
* to your version of the library, but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version.
*/
package org.geosdi.geoplatform.gui.client.utility;
import com.google.common.collect.Lists;
import java.util.List;
import org.geosdi.geoplatform.gui.client.form.GPPrintWidget;
import org.geosdi.geoplatform.gui.client.i18n.PrintTemplateConstants;
import org.geosdi.geoplatform.gui.client.model.DPI;
import org.geosdi.geoplatform.gui.client.model.PrintTemplate;
import org.geosdi.geoplatform.gui.client.model.Scale;
import org.gwtopenmaps.openlayers.client.Bounds;
import org.gwtopenmaps.openlayers.client.LonLat;
import org.gwtopenmaps.openlayers.client.Map;
import org.gwtopenmaps.openlayers.client.OpenLayers;
import org.gwtopenmaps.openlayers.client.Pixel;
import org.gwtopenmaps.openlayers.client.Size;
import org.gwtopenmaps.openlayers.client.Style;
import org.gwtopenmaps.openlayers.client.StyleMap;
import org.gwtopenmaps.openlayers.client.control.DragFeature;
import org.gwtopenmaps.openlayers.client.control.DragFeature.DragFeatureListener;
import org.gwtopenmaps.openlayers.client.control.DragFeatureOptions;
import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
import org.gwtopenmaps.openlayers.client.geometry.Geometry;
import org.gwtopenmaps.openlayers.client.layer.Vector;
/**
*
* @author Giuseppe La Scaleia - CNR IMAA geoSDI Group
* @email giuseppe.lascaleia@geosdi.org
*
*
*/
public class PrintUtility {
private static DragFeature dragFeature;
public static List<DPI> getDPI() {
List<DPI> dpi = Lists.<DPI>newArrayList();
dpi.add(new DPI("72"));
dpi.add(new DPI("127"));
dpi.add(new DPI("190"));
dpi.add(new DPI("254"));
//dpi.add(new DPI("300"));
//dpi.add(new DPI("600"));
return dpi;
}
public static List<PrintTemplate> getTemplate() {
List<PrintTemplate> templates = Lists.<PrintTemplate>newArrayList();
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A4_Portrait()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A3_Portrait()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A2_Portrait()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A1_Portrait()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A0_Portrait()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A0P_Portrait()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A4_Landscape()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A3_Landscape()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A2_Landscape()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A1_Landscape()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A0_Landscape()));
templates.add(new PrintTemplate(PrintTemplateConstants.INSTANCE.A0P_Landscape()));
return templates;
}
public static List<Scale> getScale() {
List<Scale> scales = Lists.<Scale>newArrayList();
scales.add(new Scale("1:1.000"));
scales.add(new Scale("1:1.600"));
scales.add(new Scale("1:2.000"));
scales.add(new Scale("1:5.000"));
scales.add(new Scale("1:10.000"));
scales.add(new Scale("1:20.000"));
scales.add(new Scale("1:50.000"));
scales.add(new Scale("1:100.000"));
scales.add(new Scale("1:200.000"));
scales.add(new Scale("1:500.000"));
scales.add(new Scale("1:1.000.000"));
scales.add(new Scale("1:2.000.000"));
scales.add(new Scale("1:4.000.000"));
return scales;
}
public static Vector createRectangle(LonLat center, float scale, Map map, double sizeFactor, boolean portrait) {
Bounds extent = getExtent(center, scale, map, sizeFactor, portrait);
Geometry rect = extent.toGeometry();
VectorFeature features = new VectorFeature(rect);
Vector vectorLayer = new Vector(GPPrintWidget.PRINT_VECTOR_NAME);
vectorLayer.addFeature(features);
//Define a style for the vectors
Style style = new Style();
style.setFillColor("white");
style.setStrokeColor("violet");
style.setStrokeWidth(1);
style.setStrokeDashstyle("dash");
style.setFillOpacity(0.4);
StyleMap styleMap = new StyleMap(style);
vectorLayer.setStyleMap(styleMap);
return vectorLayer;
}
public static VectorFeature updateRectangle(LonLat center, float scale, Map map, double sizeFactor, boolean portrait) {
Bounds extent = getExtent(center, scale, map, sizeFactor, portrait);
Geometry rect = extent.toGeometry();
VectorFeature features = new VectorFeature(rect);
return features;
}
public static DragFeature enableDragPrintArea(Map map, Vector vectorLayer) {
DragFeature dragFeature = createDragFeature(vectorLayer);
map.addControl(dragFeature);
dragFeature.activate();
return dragFeature;
}
public static void disableDragPrintArea(Map map, DragFeature dragFeature) {
if (dragFeature != null) {
dragFeature.deactivate();
map.removeControl(dragFeature);
}
}
public static Bounds getExtent(LonLat center, float scale, Map map, double sizeFactor, boolean portrait) {
double unitRatio = OpenLayers.getInchesPerUnit(map.getCurrentUnits());
Size size = map.getSize();
double w, h;
if (!portrait) {
w = size.getWidth() * sizeFactor / 72.0 / unitRatio * scale / 2.0;
h = size.getHeight() * sizeFactor / 72.0 / unitRatio * scale / 2.0;
} else {
h = size.getWidth() * sizeFactor / 72.0 / unitRatio * scale / 2.0;
w = size.getHeight() * sizeFactor / 72.0 / unitRatio * scale / 2.0;
}
Bounds bbox = new Bounds(center.lon() - w, center.lat() - h, center.lon() + w, center.lat() + h);
return bbox;
}
private static DragFeature createDragFeature(Vector layer) {
if (dragFeature == null) {
DragFeatureOptions dragFeatureOptions = new DragFeatureOptions();
dragFeatureOptions.onDrag(createDragFeatureListener("onDrag"));
dragFeatureOptions.onStart(createDragFeatureListener("onStart"));
dragFeatureOptions.onComplete(createDragFeatureListener("onComplete"));
dragFeature = new DragFeature(layer, dragFeatureOptions);
}
return dragFeature;
}
private static DragFeatureListener createDragFeatureListener(final String type) {
return new DragFeatureListener() {
@Override
public void onDragEvent(VectorFeature vectorFeature,
Pixel pixel) {
}
};
}
}