242 lines
9.3 KiB
Java
242 lines
9.3 KiB
Java
package org.gcube.portlets.user.geoportaldataviewer.client.ui.products.concessioni;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Map;
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import org.gcube.application.geoportalcommon.shared.products.model.LayerConcessioneDV;
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import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
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import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
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import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil;
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import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil.Location;
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import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil.PLACE;
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import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.MapView;
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import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.CustomFlexTable;
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import com.github.gwtbootstrap.client.ui.DropdownButton;
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import com.github.gwtbootstrap.client.ui.NavLink;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.dom.client.Document;
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import com.google.gwt.dom.client.Element;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.HTMLPanel;
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import com.google.gwt.user.client.ui.Widget;
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import ol.Coordinate;
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public class LayerConcessioneView extends Composite {
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private static LayerConcessioneUiBinder uiBinder = GWT.create(LayerConcessioneUiBinder.class);
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interface LayerConcessioneUiBinder extends UiBinder<Widget, LayerConcessioneView> {
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}
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@UiField
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HTMLPanel layerConcessionePanel;
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@UiField
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HTMLPanel mapViewPanel;
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private CustomFlexTable customTable = new CustomFlexTable();
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public LayerConcessioneView(LayerConcessioneDV layerDV) {
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initWidget(uiBinder.createAndBindUi(this));
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GWT.log("Showing: " + layerDV);
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customTable.addNextKeyValue("Abstract", layerDV.getAbstractSection());
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customTable.addNextKeyValue("Valutazione qualità", layerDV.getValutazioneQualita());
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customTable.addNextKeyValue("Metodo raccolta dati", layerDV.getMetodoRaccoltaDati());
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customTable.addNextKeyValue("Scala acquisizione dati", layerDV.getScalaAcquisizione());
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customTable.addNextKeyValues("Autori", layerDV.getAuthors(), GeoportalDataViewerConstants.NEW_LINE_BR);
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layerConcessionePanel.add(customTable);
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GWT.log("WMS LINK: " + layerDV.getWmsLink());
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if (layerDV.getLayerName() != null && layerDV.getWmsLink() != null) {
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Location italyLocation = ExtentMapUtil.getLocation(PLACE.ITALY);
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Coordinate transformedCenterCoordinate = italyLocation.getCoordinate(MAP_PROJECTION.EPSG_3857);
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// Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG, GeoportalDataViewerConstants.ITALY_CENTER_LAT);
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// Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate, MAP_PROJECTION.EPSG_4326.getName(), MAP_PROJECTION.EPSG_3857.getName());
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MapView mapView = new MapView(transformedCenterCoordinate,
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GeoportalDataViewerConstants.LIGHT_MAP_ITALY_FIT_ZOOM_ON, "70%", "300px");
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mapViewPanel.add(mapView);
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String mapServerHost = layerDV.getWmsLink().contains("?")
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? layerDV.getWmsLink().substring(0, layerDV.getWmsLink().indexOf("?"))
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: layerDV.getWmsLink();
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DropdownButton downloadButt = new DropdownButton("download as...");
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NavLink navLink = new NavLink("PNG");
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String htmlLinkId = mapView.getPanelMapElementId() + "-image-download";
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final HTML htmlLink = new HTML("<a id=\"" + htmlLinkId + "\" download=\"map.png\"></a>");
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navLink.getElement().appendChild(htmlLink.getElement());
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navLink.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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// Map<String, String> mapLayerURLs = mapView.getLightOLSM().getLayerURLsProperty();
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// Collection<String> layerURLs = mapLayerURLs.values();
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// ArrayList<String> layers = new ArrayList<String>(layerURLs);
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// exportPDF(layers.get(0));
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// String layerURL = mapLayerURLs.get(layerDV.getLayerName());
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// GWT.log("layerDV name is: " + layerDV.getLayerName());
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// if (layerURL != null)
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// Window.open(layerURL, "_blank", null);
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// GWT.log("GWT Map panel id: " + mapView.getPanelMapElementId());
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// Element mapContainer =
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// Document.get().getElementById(mapView.getPanelMapElementId());
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// GWT.log("GWT Map panel id: " + mapContainer);
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downloadMap(mapView.getLightOLSM().getMap(), mapView.getPanelMapElementId(), htmlLinkId);
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// mapExport(mapView.getLightOLSM().getMap(), mapView.getPanelMapElementId());
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}
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});
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downloadButt.add(navLink);
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customTable.addNextKeyWidget("Layer", downloadButt);
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mapView.addWMSLayer(mapServerHost, layerDV.getLayerName(), layerDV.getBbox());
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}
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}
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public static native void exportPDF(String layerURL) /*-{
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var image = new Image(layerURL);
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var doc = new $wnd.jspdf.jsPDF();
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doc.addImage(layerURL, 'PNG', 0, 0,image.width,image.height);
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doc.save("map.pdf")
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}-*/;
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/**
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* Prints the.
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*
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* @param msg the msg
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*/
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public static native void downloadMap(ol.Map map, String mapPanelId, String linkId)/*-{
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console.log("map: " + map);
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map.once('rendercomplete', function() {
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var mapCanvas = $doc.createElement('canvas');
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var size = map.getSize();
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mapCanvas.width = size[0];
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mapCanvas.height = size[1];
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var mapContext = mapCanvas.getContext('2d');
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var mapContainer = $doc.querySelector('#'+mapPanelId);
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//console.log("mapContainer:" +JSON.stringify(mapContainer, null, 4));
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Array.prototype.forEach.call(mapContainer
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.querySelectorAll('.ol-layer canvas'), function(canvas) {
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if (canvas.width > 0) {
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var opacity = canvas.parentNode.style.opacity;
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mapContext.globalAlpha = opacity === '' ? 1
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: Number(opacity);
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var transform = canvas.style.transform;
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// Get the transform parameters from the style's transform matrix
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var matrix = transform.match(/^matrix\(([^\(]*)\)$/)[1]
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.split(',').map(Number);
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// Apply the transform to the export map context
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CanvasRenderingContext2D.prototype.setTransform.apply(
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mapContext, matrix);
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mapContext.drawImage(canvas, 0, 0);
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}
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});
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if (navigator.msSaveBlob) {
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// link download attribute does not work on MS browsers
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navigator.msSaveBlob(mapCanvas.msToBlob(), 'map.png');
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} else {
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var link = $doc.getElementById(linkId);
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link.href = mapCanvas.toDataURL();
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link.click();
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}
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});
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map.renderSync();
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}-*/;
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// public static native void mapExport(ol.Map map, String mapPanelId)/*-{
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// try {
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// var dims = {
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// a0 : [ 1189, 841 ],
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// a1 : [ 841, 594 ],
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// a2 : [ 594, 420 ],
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// a3 : [ 420, 297 ],
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// a4 : [ 297, 210 ],
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// a5 : [ 210, 148 ],
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// };
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//
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// var resolutions = {
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// 72 : 72,
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// 150 : 150,
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// 300 : 300,
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// };
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//
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// //var format = document.getElementById('format').value;
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// var format = 'a4';
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// //var resolution = document.getElementById('resolution').value;
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// var resolution = resolutions[150];
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// var dim = dims[format];
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// var width = Math.round((dim[0] * resolution) / 25.4);
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// var height = Math.round((dim[1] * resolution) / 25.4);
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// var size = map.getSize();
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// var viewResolution = map.getView().getResolution();
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//
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// map.once('rendercomplete', function() {
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// var mapCanvas = $doc.createElement('canvas');
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// mapCanvas.width = width;
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// mapCanvas.height = height;
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// var mapContext = mapCanvas.getContext('2d');
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// var selectId = "#" + mapPanelId;
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// console.log('selectId: ' + selectId);
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// var container = $doc.querySelector(selectId);
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// console.log('container: ' + container);
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// Array.prototype.forEach.call(container
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// .querySelectorAll('.ol-layer canvas'),
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// function(canvas) {
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// canvas.crossOrigin = "anonymous"; // This enables CORS
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// if (canvas.width > 0) {
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// var opacity = canvas.parentNode.style.opacity;
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// mapContext.globalAlpha = opacity === '' ? 1
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// : Number(opacity);
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// var transform = canvas.style.transform;
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// // Get the transform parameters from the style's transform matrix
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// var matrix = transform
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// .match(/^matrix\(([^\(]*)\)$/)[1]
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// .split(',').map(Number);
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// // Apply the transform to the export map context
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// CanvasRenderingContext2D.prototype.setTransform
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// .apply(mapContext, matrix);
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// mapContext.drawImage(canvas, 0, 0);
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// }
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// });
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//
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// //window.open(mapCanvas.toDataURL(), '_blank');
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//
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// var pdf = new $wnd.jspdf.jsPDF('landscape', undefined, format);
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// pdf.addImage(mapCanvas.toDataURL('image/jpeg'), 'JPEG', 0, 0,
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// dim[0], dim[1]);
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// pdf.save('map.pdf');
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// // Reset original map size
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// map.setSize(size);
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// map.getView().setResolution(viewResolution);
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// exportButton.disabled = false;
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// document.body.style.cursor = 'auto';
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// });
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// //map.renderSync();
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// // Set print size
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// var printSize = [width, height];
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// map.setSize(printSize);
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// var scaling = Math.min(width / size[0], height / size[1]);
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// map.getView().setResolution(viewResolution / scaling);
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// } catch (error) {
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// window.alert(error);
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// }
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// }-*/;
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}
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