added editing support to EditMetadataComposite

de.uniwue.mk.athen/bundles/de.ids.tt.athen.rwview/src/de/ids/tt/athen/rwview/ui/EditMetadataComposite.java

 package de.ids.tt.athen.rwview.ui;
 
 import java.util.List;
-import java.util.function.Function;
 
-import javax.swing.JComboBox;
-
-import org.apache.uima.cas.text.AnnotationFS;
 import org.eclipse.jface.viewers.ArrayContentProvider;
-import org.eclipse.jface.viewers.CellEditor;
 import org.eclipse.jface.viewers.ColumnLabelProvider;
-import org.eclipse.jface.viewers.ComboBoxCellEditor;
-import org.eclipse.jface.viewers.EditingSupport;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.TableViewerColumn;
-import org.eclipse.jface.viewers.TextCellEditor;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
@@ -24,20 +16,14 @@ import org.eclipse.swt.widgets.TableColumn;
 
 import de.ids.tt.athen.rwview.part.RedeWiedergabeView;
 import de.ids.tt.athen.rwview.ui.RwViewComposite;
+import de.ids.tt.athen.rwview.ui.helper.FValEditingSupport;
 import de.ids.tt.athen.rwview.ui.helper.MetadataObject;
 
 
 public class EditMetadataComposite extends Composite{
 	
 	private TableViewer editMetadataViewer;
-	
-	private List<MetadataObject> metadataObjList;
-
-	
-	//the controller
-	private RedeWiedergabeView part;
-			
-	private RwViewComposite rwViewComposite;
+				
 
 	public EditMetadataComposite(Composite parent, int style){
 		super(parent, style);
@@ -45,7 +31,6 @@ public class EditMetadataComposite extends Composite{
 	
 	public void setInput(RedeWiedergabeView part)
 	{
-		this.part = part;
 		initLayout();
 	}
 	
@@ -56,8 +41,6 @@ public class EditMetadataComposite extends Composite{
 	
 	
 	private void createTable(){	
-		
-		
 		editMetadataViewer = new TableViewer(this,
 				SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER | SWT.FILL);
 		GridData layoutDataEditMetadataTable = new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_BOTH | GridData.GRAB_VERTICAL);
@@ -91,6 +74,7 @@ public class EditMetadataComposite extends Composite{
 			}
 		});
 		
+		
         col = createTableViewerColumn(columnName[1], bounds[1], 1);
         col.setLabelProvider(new ColumnLabelProvider() {
             @Override
@@ -99,6 +83,7 @@ public class EditMetadataComposite extends Composite{
 				return fVal.getFVal();
             }
         });
+        col.setEditingSupport(new FValEditingSupport(viewer));
 	}
 	
 	private TableViewerColumn createTableViewerColumn(String viewer, int bound, final int colNumber) {

de.uniwue.mk.athen/bundles/de.ids.tt.athen.rwview/src/de/ids/tt/athen/rwview/ui/helper/FValEditingSupport.java

+package de.ids.tt.athen.rwview.ui.helper;
+
+import org.eclipse.jface.viewers.CellEditor;
+import org.eclipse.jface.viewers.ColumnViewer;
+import org.eclipse.jface.viewers.EditingSupport;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TextCellEditor;
+
+public class FValEditingSupport extends EditingSupport {
+	
+    private final TableViewer viewer;
+    private final CellEditor editor;
+
+    public FValEditingSupport(TableViewer viewer) {
+        super(viewer);
+        this.viewer = viewer;
+        this.editor = new TextCellEditor(viewer.getTable());
+    }
+    
+    @Override
+    protected CellEditor getCellEditor(Object element) {
+        return editor;
+    }
+
+    @Override
+    protected boolean canEdit(Object element) {
+        return true;
+    }
+
+    @Override
+    protected Object getValue(Object element) {
+        return ((MetadataObject) element).getFVal();
+    }
+
+    @Override
+    protected void setValue(Object element, Object userInputValue) {
+        ((MetadataObject) element).setFVal(String.valueOf(userInputValue));
+        viewer.update(element, null);
+    }
+}

de.uniwue.mk.athen/bundles/de.ids.tt.athen.rwview/src/de/ids/tt/athen/rwview/ui/helper/MetadataObject.java

 package de.ids.tt.athen.rwview.ui.helper;
 
+import java.beans.PropertyChangeListener;
+import java.beans.PropertyChangeSupport;
+
+
 //datamodel for EditMetadataComposite 
 
 public class MetadataObject {
 	private String attrName;
 	private String fVal;
 	
+	private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
+            this);
+	
 	public MetadataObject() {
 	}
 	
@@ -15,6 +22,15 @@ public class MetadataObject {
 		this.fVal = fVal;
 	}
 	
+    public void addPropertyChangeListener(String propertyName,
+            PropertyChangeListener listener) {
+        propertyChangeSupport.addPropertyChangeListener(propertyName, listener);
+    }
+
+    public void removePropertyChangeListener(PropertyChangeListener listener) {
+        propertyChangeSupport.removePropertyChangeListener(listener);
+    }
+	
 	public String getAttrName(){
 		return attrName;
 	}
@@ -22,4 +38,8 @@ public class MetadataObject {
 	public String getFVal(){
 		return fVal;
 	}
+	
+	public void setFVal(String fVal){
+		propertyChangeSupport.firePropertyChange("fVal", this.fVal, this.fVal = fVal);
+	}
 }