Changeset 5319 in osm for applications

Timestamp:

2007-11-05T02:51:55+01:00 (17 years ago)

Author:

frederik

Message:

added very simple capability of loading and saving wms layers to WMSPlugin; requires at least JOSM v456 to work

Location:

applications/editors/josm/plugins/wmsplugin

Files:

• images/load.png (added)
• images/save.png (added)
• images/wms_small.png (added)
• src/wmsplugin/DownloadWMSTask.java (modified) (2 diffs)
• src/wmsplugin/WMSDownloadAction.java (modified) (1 diff)
• src/wmsplugin/WMSImage.java (modified) (5 diffs)
• src/wmsplugin/WMSLayer.java (modified) (5 diffs)
• src/wmsplugin/WMSPlugin.java (modified) (3 diffs)

applications/editors/josm/plugins/wmsplugin/src/wmsplugin/DownloadWMSTask.java

@@ -21 +21 @@
         
         public DownloadWMSTask(String name, String wmsurl) {
-                
                 super(tr("Downloading " + name));
-                
+
                 // simply check if we already have a layer created. if not, create; if yes, reuse.
-                
                 if (wmsLayer == null) {
-                        
                         if (wmsurl.matches("(?i).*layers=npeoocmap.*") || wmsurl.matches("(?i).*layers=npe.*") ){
                                 //then we use the OSGBLayer
                                 this.wmsLayer= new OSGBLayer(name, wmsurl);
-                        } else {                        
+                        } else {
                                 this.wmsLayer = new WMSLayer(name, wmsurl); 
-                                
                         } 
                 } 
+        
         }
         
@@ -50 +47 @@
                 layerAdded = false;
                 for (Iterator it = Main.map.mapView.getAllLayers().iterator(); it.hasNext(); ) {
-        Object  element = it.next();
-       
-        if (element.equals(wmsLayer)) layerAdded = true;
-        
+                        Object  element = it.next();
+                        if (element.equals(wmsLayer)) layerAdded = true;
                 }
-                 
                                 
                 if ((wmsLayer != null) && (!layerAdded))

applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSDownloadAction.java

@@ -21 +21 @@
                 // download task here every time, then different layers are displayed even
                 // for images from the same server, and we don't want that.
-                
+                System.out.println(info.url);
                 if (info.downloadTask == null)
                         info.downloadTask = new DownloadWMSTask(info.name, info.url);

applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSImage.java

@@ -4 +4 @@
 import java.awt.Image;
 import java.awt.Point;
+import java.awt.image.BufferedImage;
+import java.awt.image.RenderedImage;
+import java.io.Externalizable;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.ObjectInput;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutput;
+import java.io.ObjectOutputStream;
+import java.io.OutputStream;
+import java.io.Serializable;
 import java.net.MalformedURLException;
 import java.net.URL;
 
 import javax.imageio.ImageIO;
+import javax.swing.ImageIcon;
 
 import org.openstreetmap.josm.Main;
@@ -17 +27 @@
 import org.openstreetmap.josm.io.ProgressInputStream;
 
-public class WMSImage
+public class WMSImage implements Serializable
 {
         String constURL;
-        protected Image theImage;
+        protected BufferedImage theImage;
         protected double grabbedScale;
         protected EastNorth topLeft, bottomRight;
@@ -29 +39 @@
                 this.constURL = constURL;
         }
+        
+        private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
+                constURL = (String) in.readObject();
+                topLeft = (EastNorth) in.readObject();
+                bottomRight = (EastNorth) in.readObject();
+                dEast = in.readDouble();
+                dNorth = in.readDouble();
+                grabbedScale = in.readDouble();
+                theImage = (BufferedImage) ImageIO.read(ImageIO.createImageInputStream(in));
+        }
+        
+        private void writeObject(ObjectOutputStream out) throws IOException {
+                System.out.println("writ" + theImage.getWidth(null));
+                out.writeObject(constURL);
+                out.writeObject(topLeft);
+                out.writeObject(bottomRight);
+                out.writeDouble(dEast);
+                out.writeDouble(dNorth);
+                out.writeDouble(grabbedScale);
+                ImageIO.write(theImage, "png", ImageIO.createImageOutputStream(out));
+        }
 
         public void grab(NavigatableComponent nc) throws IOException
         {
-
-                EastNorth topLeft  = nc.getEastNorth(0,0);
-                grabbedScale =  nc.getScale();  // scale is enPerPixel
+                EastNorth topLeft = nc.getEastNorth(0,0);
+                grabbedScale = nc.getScale();  // scale is enPerPixel
 
                 this.topLeft = topLeft;
@@ -101 +131 @@
                 InputStream is = new ProgressInputStream(
                         url.openConnection(), Main.pleaseWaitDlg);
-                theImage = ImageIO.read(is) ;
+                theImage = ImageIO.read(is);
                 is.close();
                 Main.map.repaint();
@@ -126 +156 @@
         public void paint(Graphics g,NavigatableComponent nc) 
         {
-                if(theImage!=null)
+                if (theImage != null)
                 {
                         double zoomInFactor = grabbedScale / nc.getScale();

applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSLayer.java

@@ -6 +6 @@
 import java.awt.Graphics;
 import java.awt.Toolkit;
+import java.awt.event.ActionEvent;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
 import java.util.ArrayList;
 
+import javax.swing.AbstractAction;
 import javax.swing.Icon;
 import javax.swing.ImageIcon;
+import javax.swing.JFileChooser;
 import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
 import javax.swing.JSeparator;
+import javax.swing.filechooser.FileFilter;
 
 import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.actions.ExtensionFileFilter;
+import org.openstreetmap.josm.actions.SaveActionBase;
 import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
 import org.openstreetmap.josm.data.projection.Projection;
@@ -21 +33 @@
 import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
 import org.openstreetmap.josm.gui.layer.Layer;
+import org.openstreetmap.josm.tools.ImageProvider;
 import org.openstreetmap.josm.data.coor.EastNorth;
 
@@ -29 +42 @@
 public class WMSLayer extends Layer {
 
-        protected static Icon icon = new ImageIcon(Toolkit.getDefaultToolkit().createImage(WMSPlugin.class.getResource("/images/wms.png")));
-
+        protected static Icon icon = new ImageIcon(Toolkit.getDefaultToolkit().createImage(WMSPlugin.class.getResource("/images/wms_small.png")));
         protected final ArrayList<WMSImage> wmsImages;
-
         protected final String url;
-
+        protected final int serializeFormatVersion = 1;
+ 
+        public WMSLayer() {
+                super("Blank Layer");
+                wmsImages = new ArrayList<WMSImage>();
+                url = "";
+        }
         public WMSLayer(String name, String url) {
                 super(name);
@@ -100 +117 @@
                 return new Component[]{
                                 new JMenuItem(new LayerListDialog.ShowHideLayerAction(this)),
-                                new JMenuItem(new LayerListDialog.DeleteLayerAction(this)),
+                                new JMenuItem(new LayerListDialog.DeleteLayerAction(this)),                             
+                                new JMenuItem(new LoadWmsAction()),
+                                new JMenuItem(new SaveWmsAction()),
                                 new JSeparator(),
                                 new JMenuItem(new LayerListPopup.InfoAction(this))};
@@ -117 +136 @@
         //to enable the removal of the images when the layer is removed.
         public void destroy() {
-        
                 wmsImages.clear();
+        }
+        
+        public class SaveWmsAction extends AbstractAction {
+                public SaveWmsAction() {
+                        super(tr("Save WMS layer to file"), ImageProvider.get("save"));
+                }
+                public void actionPerformed(ActionEvent ev) {
+                        File f = openFileDialog(false);
+                        try {
+                                FileOutputStream fos = new FileOutputStream(f);
+                                ObjectOutputStream oos = new ObjectOutputStream(fos);
+                                oos.writeInt(serializeFormatVersion);
+                                oos.writeInt(wmsImages.size());
+                                for (WMSImage w : wmsImages) {
+                                        oos.writeObject(w);
+                                }
+                                oos.close();
+                                fos.close();
+                        } catch (Exception ex) {
+                                ex.printStackTrace(System.out);
+                        }
+                }
+        }
+        
+        public class LoadWmsAction extends AbstractAction {
+                public LoadWmsAction() {
+                        super(tr("Load WMS layer from file"), ImageProvider.get("load"));
+                }
+                public void actionPerformed(ActionEvent ev) {
+                        File f = openFileDialog(true);
+                        try {
+                                FileInputStream fis = new FileInputStream(f);
+                                ObjectInputStream ois = new ObjectInputStream(fis);
+                                int sfv = ois.readInt();
+                                if (sfv != serializeFormatVersion) {
+                                        JOptionPane.showMessageDialog(Main.parent, 
+                                                tr("Unsupported WMS file version; found {0}, expected {1}", sfv, serializeFormatVersion),
+                                                tr("File Format Error"), 
+                                                JOptionPane.ERROR_MESSAGE);
+                                        return;
+                                }
+                                int numImg = ois.readInt();
+                                for (int i=0; i< numImg; i++) {
+                                        WMSImage img = (WMSImage) ois.readObject();
+                                        wmsImages.add(img);
+                                }
+                                ois.close();
+                                fis.close();
+                        } catch (Exception ex) {
+                                // FIXME be more specific
+                                ex.printStackTrace(System.out);
+                                JOptionPane.showMessageDialog(Main.parent, 
+                                                tr("Error loading file"),
+                                                tr("Error"), 
+                                                JOptionPane.ERROR_MESSAGE);
+                                        return;
+                        }
+                }
+        }
+        
+        protected static JFileChooser createAndOpenFileChooser(boolean open, boolean multiple) {
+                String curDir = Main.pref.get("lastDirectory");
+                if (curDir.equals(""))
+                        curDir = ".";
+                JFileChooser fc = new JFileChooser(new File(curDir));
+                fc.setMultiSelectionEnabled(multiple);
+                for (int i = 0; i < ExtensionFileFilter.filters.length; ++i)
+                        fc.addChoosableFileFilter(ExtensionFileFilter.filters[i]);
+                fc.setAcceptAllFileFilterUsed(true);
+        
+                int answer = open ? fc.showOpenDialog(Main.parent) : fc.showSaveDialog(Main.parent);
+                if (answer != JFileChooser.APPROVE_OPTION)
+                        return null;
                 
+                if (!fc.getCurrentDirectory().getAbsolutePath().equals(curDir))
+                        Main.pref.put("lastDirectory", fc.getCurrentDirectory().getAbsolutePath());
+
+                if (!open) {
+                        File file = fc.getSelectedFile();
+                        if (file == null || (file.exists() && JOptionPane.YES_OPTION != 
+                                        JOptionPane.showConfirmDialog(Main.parent, tr("File exists. Overwrite?"), tr("Overwrite"), JOptionPane.YES_NO_OPTION)))
+                                return null;
+                }
                 
+                return fc;
+        }
+        
+        public static File openFileDialog(boolean open) {
+                JFileChooser fc = createAndOpenFileChooser(open, false);
+                if (fc == null)
+                        return null;
+
+                File file = fc.getSelectedFile();
+
+                String fn = file.getPath();
+                if (fn.indexOf('.') == -1) {
+                        FileFilter ff = fc.getFileFilter();
+                        if (ff instanceof ExtensionFileFilter)
+                                fn = "." + ((ExtensionFileFilter)ff).defaultExtension;
+                        else
+                                fn += ".osm";
+                        file = new File(fn);
+                }
+                return file;
         }
 }

applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSPlugin.java

@@ -4 +4 @@
 
 
+import java.awt.event.ActionEvent;
 import java.util.ArrayList;
 import java.util.Map;
 import java.util.TreeSet;
+
+import javax.swing.AbstractAction;
 import javax.swing.JMenu;
 import javax.swing.JMenuBar;
@@ -31 +34 @@
         static ArrayList<WMSInfo> wmsList = new ArrayList<WMSInfo>();
         
-
-        
         public WMSPlugin() {
-                
                 refreshMenu();
-                
         }
 
@@ -110 +109 @@
                 
                 wmsJMenu.addSeparator();
+                wmsJMenu.add(new JMenuItem(new AbstractAction("Blank Layer") {
+                        public void actionPerformed(ActionEvent ev) {
+                                Main.main.addLayer(new WMSLayer());
+                        }
+                }));
+                wmsJMenu.addSeparator();
                 wmsJMenu.add(new JMenuItem(new Help_WMSmenuAction()));
-                
-                
-        
         }
         
         public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
-                if(oldFrame==null && newFrame!=null) { 
+                if (oldFrame==null && newFrame!=null) { 
                         wmsJMenu.setEnabled(true);
                         Main.map.toolBarActions.addSeparator();