Adding thumbnail images to thing table.

xyz.veronie.bgg.ui/src/xyz/veronie/bgg/result/Thing.java

@@ -1,13 +1,36 @@
 package xyz.veronie.bgg.result;
 
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.ImageLoader;
+
+import xyz.veronie.bgg.ui.helpers.Constants;
+import xyz.veronie.bgg.ui.helpers.Resources;
+
 public class Thing {
 
 	private int id;
 	private ThingMetaData metaData;
 	private ThingDetails details;
 	
-	private static String[] titles = { "Id", "Name" }; 
-	
+	// cache
+	private Image thumbImage;
+		
+	public static final String IdHeader = "ID";
+	public static final String ThumbHeader = "";
+	public static final String NameHeader = "Name";
+	public static final String DetailsHeader = "Details";
+	public static final String ExportFlagHeader = "Export";
 	
 	public Thing(int id, ThingMetaData metaData) {
 		this.id = id;
@@ -34,16 +57,42 @@ public class Thing {
 		this.details = details;
 	}
 	
+	public Image getThumbnail() {
+		if(thumbImage == null) {
+			getThumbImage(id);
+		}
+		return thumbImage;
+	}
 	
-	public static String[] getTitles() {
-		return titles;
+	private void getThumbImage(int thingId) {
+		Path tmpDir = Resources.INSTANCE.getTmpDir();
+		if(tmpDir != null) {
+			Path imageFile = Paths.get(Resources.INSTANCE.getThumbsDir().toString()
+					+ File.separator + String.valueOf(thingId));
+			
+			if(Files.exists(imageFile, LinkOption.NOFOLLOW_LINKS)) {
+				thumbImage = Resources.INSTANCE.getResourceManager().createImage(
+						ImageDescriptor.createFromFile(Thing.class, imageFile.toString()));				
+			} else {
+				try {
+					ImageDescriptor descriptor = ImageDescriptor.createFromURL(
+							new URL(metaData.getThumbURL()));
+					thumbImage = descriptor.createImage();
+
+					ImageLoader saver = new ImageLoader();
+					saver.data = new ImageData[] { thumbImage.getImageData() };
+					saver.save(imageFile.toString(), SWT.IMAGE_PNG);					
+				} catch (MalformedURLException e) {
+					e.printStackTrace();
+				}
+			}
+
+		}
 	}
 
-	   /// get field at idx, order of titles
+
+	/// get field at idx, order of titles
     public String getField(int idx) {
-    	if(idx >= titles.length) {
-    		
-    	}
     	
     	String returnStr;
 
@@ -52,11 +101,20 @@ public class Thing {
     		returnStr = String.valueOf(this.id);
     		break;
     	case 1:
+    		returnStr = "";
+    		break;
+    	case 2:
+    		returnStr = this.getMetaData().getName();
+    		break;
+    	case 3:
+    		returnStr = (this.getDetails() != null) ? "yes" : "no";
+    		break;
+    	case 4:
     		returnStr = this.getMetaData().getName();
     		break;
     	default:
     		throw new ArrayIndexOutOfBoundsException(
-    				"idx " + String.valueOf(idx) + " must be in [0,1]");
+    				"idx " + String.valueOf(idx) + " must be in [0,4]");
     	}
 
     	return returnStr;

xyz.veronie.bgg.ui/src/xyz/veronie/bgg/result/ThingMetaData.java

@@ -77,7 +77,7 @@ public class ThingMetaData implements java.io.Serializable {
 		propertyChangeSupport.firePropertyChange("thumb", this.thumbURL,
 			this.thumbURL = thumbURL);
 	}
-
+	
 	public int getNumPlays() {
 		return numPlays;
 	}

xyz.veronie.bgg.ui/src/xyz/veronie/bgg/result/ThingProvider.java

@@ -30,8 +30,8 @@ public enum ThingProvider {
 	public void addThings(ArrayList<Thing> things) {
 		for(Thing tmd : things) {
 			Boolean exists = false;
-			for(Thing thisTmd : this.things) {
-				if(tmd.getId() == thisTmd.getId()) {
+			for(Thing thisThing : this.things) {
+				if(tmd.getId() == thisThing.getId()) {
 					exists = true;
 				}
 			}
@@ -93,13 +93,4 @@ public enum ThingProvider {
         return things;
     }
 	
-//	@Inject
-//	@Optional
-//	private void subscribeTopicTagResult
-//	    (@UIEventTopic(EventConstants.TOPIC_TAG_RESULT)
-//	        String empty) {
-//		System.out.println("TOPIC_TAG_RESULT: Tag result now.");
-//		this.tagResult();
-//	}
-	
 }

xyz.veronie.bgg.ui/src/xyz/veronie/bgg/ui/helpers/Constants.java

@@ -0,0 +1,6 @@
+package xyz.veronie.bgg.ui.helpers;
+
+public class Constants {
+	public static final String TMP_PREFIX = "BggToolAnother"; 
+	public static final String THUMB_CACHE_DIR = "thumbs";
+}

xyz.veronie.bgg.ui/src/xyz/veronie/bgg/ui/helpers/Resources.java

@@ -0,0 +1,68 @@
+package xyz.veronie.bgg.ui.helpers;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.eclipse.jface.resource.JFaceResources;
+import org.eclipse.jface.resource.LocalResourceManager;
+
+public enum Resources {
+	INSTANCE;
+
+	private Path prefixPath;
+	private Path tmpDir;
+	private LocalResourceManager resourceManager;
+	
+	private Resources() {
+		
+		try {
+			if(prefixPath == null) {
+				tmpDir = Paths.get(Constants.TMP_PREFIX);
+				if(!Files.exists(tmpDir)) {
+					Files.createDirectory(tmpDir);
+				}
+			} else {
+				tmpDir = Paths.get(prefixPath + File.separator + Constants.TMP_PREFIX);
+				if(!Files.exists(tmpDir)) {
+					Files.createDirectory(tmpDir);
+				}
+			}
+			Path thumbPath = getThumbsDir();
+			if(!Files.exists(thumbPath)) {
+				Files.createDirectory(thumbPath);
+			}
+			System.out.println("tmp dir: " + tmpDir.toAbsolutePath());
+		}
+		catch(IOException ex) {
+			ex.printStackTrace();
+		}
+		
+		resourceManager = new LocalResourceManager(JFaceResources.getResources());
+	}
+	
+	public Path getThumbsDir() {
+		return Paths.get(tmpDir + File.separator + Constants.THUMB_CACHE_DIR);
+	}
+	
+	public Path getTmpDir() {
+		return tmpDir;
+	}
+	
+	public void dispose() {
+		try {
+			Files.delete(tmpDir);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		getResourceManager().dispose();
+	}
+
+
+
+	public LocalResourceManager getResourceManager() {
+		return resourceManager;
+	}
+}

xyz.veronie.bgg.ui/src/xyz/veronie/bgg/ui/parts/BggResultPart.java

@@ -15,6 +15,7 @@ import org.eclipse.jface.viewers.TableViewerColumn;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
@@ -84,19 +85,44 @@ public class BggResultPart {
 
     // This will create the columns for the table
     private void createColumns(final Composite parent, final TableViewer viewer) {
-        String[] titles = Thing.getTitles();
-        int[] bounds = { 100, 500 }; // , 100, 100, 100, 100 };
-        
-        for(int i = 0; i < titles.length; ++i) {
-        	TableViewerColumn col = createTableViewerColumn(titles[i], bounds[i], i);
-        	col.setLabelProvider(new ColumnLabelProvider() {
-                @Override
-                public String getText(Object element) {
-                    Thing t = (Thing) element;
-                    return t.getField((int)col.getColumn().getData());
-                }
-            });
-        }
+    	
+    	TableViewerColumn col = createTableViewerColumn(Thing.IdHeader, 100, 0);
+    	col.setLabelProvider(new ColumnLabelProvider() {
+            @Override
+            public String getText(Object element) {
+                Thing t = (Thing) element;
+                return t.getField((int)col.getColumn().getData());
+            }
+        });
+    	
+    	TableViewerColumn col2 = createTableViewerColumn(Thing.ThumbHeader, 50, 1);
+    	col2.setLabelProvider(new ColumnLabelProvider() {
+    		@Override
+    		public Image getImage(Object element) {
+    			Thing t = (Thing) element;
+    			Image img = t.getThumbnail();
+    			if(img != null) {
+    				return img;
+    			} else {
+    				return null;
+    			}
+    		}
+    		
+    		@Override
+            public String getText(Object element) {
+    			return "";
+    		}
+    		
+        });
+    	
+    	TableViewerColumn col3 = createTableViewerColumn(Thing.NameHeader, 400, 2);
+    	col3.setLabelProvider(new ColumnLabelProvider() {
+            @Override
+            public String getText(Object element) {
+                Thing t = (Thing) element;
+                return t.getField((int)col3.getColumn().getData());
+            }
+        });
     }
 
     private TableViewerColumn createTableViewerColumn(String title, int bound, final int colNumber) {
@@ -128,8 +154,7 @@ public class BggResultPart {
     	System.out.println("TOPIC_RESULT_CHANGED");
     	List<Thing> things = ThingProvider.INSTANCE.getThings();
     	viewer.setInput(things);
-	    viewer.refresh();
-	    
+	    viewer.refresh(true);
 	    statsLabel.setText(Integer.toString(things.size()) + " items");
 	    statsLabel.redraw();
 	}