completed editor for both properties and tags

simpleexample2/fxui/src/main/java/simpleex/ui/MetaDataEditorController.java

@@ -5,31 +5,40 @@ import java.util.Collection;
 import java.util.Iterator;
 
 import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;
+import javafx.collections.ObservableList;
 import javafx.event.ActionEvent;
 import javafx.event.Event;
 import javafx.event.EventType;
 import javafx.fxml.FXML;
+import javafx.scene.Node;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.TableColumn;
 import javafx.scene.control.TableView;
 import javafx.scene.control.TextArea;
 import javafx.scene.control.TextField;
-import javafx.scene.control.TableColumn.CellDataFeatures;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.VBox;
 import javafx.stage.Stage;
-import javafx.util.Callback;
 import javafx.util.Pair;
 import simpleex.core.LatLong;
 import simpleex.core.MetaData;
 import simpleex.ui.tags.TagsBar;
 
-
+/*
+ * Controller class for the location metadata editor
+ */
 public class MetaDataEditorController {
-
+  /*
+   * Generic metadata event
+   */
 	public static EventType<MetaDataEvent> OPTIONS_ALL = new EventType<>("OPTIONS_ALL");
+	
+	/*
+	 * Specific metadata event dispatched when the metadata is saved
+	 */
 	public static EventType<MetaDataEvent> METADATA_SAVED = new EventType<>(OPTIONS_ALL, "METADATA_SAVED");
 	
 	private LatLong latlong;
@@ -38,13 +47,13 @@ public class MetaDataEditorController {
 	private BorderPane rootContainer;
   
 	@FXML
-    private Button saveButton;
+	private VBox centerVBox;
 
   @FXML
-    private Button cancelButton;
+  private Button saveButton;
 
   @FXML
-    private VBox centerVBox;
+  private Button cancelButton;
  
   @FXML
   private TextField nameInput;
@@ -61,6 +70,18 @@ public class MetaDataEditorController {
   @FXML
   private TableColumn<Pair<String, String>, String> propertyValuesColumn;
 
+  @FXML 
+  private TextField newValueInput;
+  
+  @FXML 
+  private TextField newKeyInput;
+  
+  @FXML 
+  private Button buttonAddUpdate;
+    
+  @FXML 
+  private Button buttonDelete;
+  
   @FXML
   private TagsBar tagsBar;
     
@@ -78,8 +99,22 @@ public class MetaDataEditorController {
         cellData -> new SimpleStringProperty(
             ((Pair<String, String>) (cellData.getValue())).getValue()
         ));
-    }
+    propertiesTableView.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<Pair<String, String>>() {
 
+      @Override
+      public void changed(ObservableValue<? extends Pair<String, String>> observable, Pair<String, String> oldValue, Pair<String, String> newValue) {
+        if(newValue == null) {
+          buttonAddUpdate.setDisable(false);
+          buttonDelete.setDisable(true);
+        } else {
+          buttonAddUpdate.setDisable(false);
+          buttonDelete.setDisable(false);
+          newKeyInput.setText(newValue.getKey());  
+          newValueInput.setText(newValue.getValue());  
+        }
+      }
+    });
+  }
   
   @FXML
   void onCancel(ActionEvent event) {
@@ -100,10 +135,32 @@ public class MetaDataEditorController {
   void onSave(ActionEvent event) {
   	latlong.getMetaData().setProperty(MetaData.NAME_PROPERTY, nameInput.getText());
   	latlong.getMetaData().setProperty(MetaData.DESCRIPTION_PROPERTY, descriptionInput.getText());
+
+  	ObservableList<Pair<String, String>> props = propertiesTableView.getItems();
+  	final Iterator<String> propertyNames = latlong.getMetaData().propertyNames();
+  	if (propertyNames.hasNext()) {
+  	  while(propertyNames.hasNext()) {
+  	    final String propName = propertyNames.next();
+  	    if((propName==MetaData.NAME_PROPERTY)||(propName==MetaData.DESCRIPTION_PROPERTY)) {
+  	      continue;
+  	    } else {
+  	      latlong.getMetaData().removeProperty(propName);
+  	    }
+  	  }
+  	}
+  	for (Pair<String, String> pair : props) {
+      latlong.getMetaData().setProperty(pair.getKey(), pair.getValue());
+    }
+
+  	final ObservableList<Node> tags = tagsBar.getTags();
+  	latlong.getMetaData().setTags();
+  	for (Node node : tags) {
+  	  latlong.getMetaData().addTags(((TagsBar.Tag)node).getTag());
+    }
+  	
   	Event.fireEvent(((Button) event.getSource()).getScene().getWindow(), 
   			new MetaDataEvent(METADATA_SAVED));
   	closeDialog(event);
-    	
   }
   
   void setLatLong(LatLong latLong) {
@@ -116,6 +173,22 @@ public class MetaDataEditorController {
 		descriptionInput.setText(latlong.getMetaData().getProperty(MetaData.DESCRIPTION_PROPERTY));
 		coordinatesLabel.setText(latlong.toString());
 		
+		updatePropertiesTable();
+		updateTags();
+	}
+
+  @FXML 
+  public void onAddUpdateProperty(ActionEvent event) {
+    final String newKey = newKeyInput.getText();
+    final String newValue = newValueInput.getText();
+    if(!newKey.isBlank() && (newKey != MetaData.NAME_PROPERTY)
+        && (newKey != MetaData.DESCRIPTION_PROPERTY)) {
+        latlong.getMetaData().setProperty(newKey, newValue);
+        updatePropertiesTable();
+    }
+  }
+
+  private void updatePropertiesTable() {
     MetaData metaData = latlong.getMetaData();
     final Iterator<String> propertyNames = metaData.propertyNames();
     Collection<Pair<String, String>> locationProperties = new ArrayList<Pair<String,String>>();
@@ -130,9 +203,14 @@ public class MetaDataEditorController {
           locationProperties.add(p);
         }
       }
+      propertiesTableView.getItems().clear();
       propertiesTableView.getItems().addAll(locationProperties);
     } 
+  }
 
+  private void updateTags() {
+    tagsBar.clearAllTags();
+    MetaData metaData = latlong.getMetaData();
     final Iterator<String> tags = metaData.tags();
     if(tags.hasNext()) {
       while(tags.hasNext()) {
@@ -140,8 +218,11 @@ public class MetaDataEditorController {
         tagsBar.addTag(tag);
       }
     }
-		
   }
   
-
+  @FXML 
+  public void onDeleteProperty(ActionEvent event) {
+    int selectedIndex = propertiesTableView.getSelectionModel().getSelectedIndex();
+    propertiesTableView.getItems().remove(selectedIndex);
+  }
 }

simpleexample2/fxui/src/main/resources/simpleex/ui/MetaDataEditor.fxml

@@ -36,7 +36,8 @@
                </children>
             </HBox>
             <Label text="Description:" />
-            <TextArea fx:id="descriptionInput" prefHeight="68.0" prefWidth="580.0" promptText="enter a description for this location" />
+            <TextArea fx:id="descriptionInput" prefHeight="68.0" prefWidth="580.0" 
+            	promptText="enter a description for this location" wrapText="true"/>
             <Label text="Custom properties:" />
             <TableView fx:id="propertiesTableView" prefHeight="120.0" prefWidth="580.0">
               <columns>
@@ -44,6 +45,14 @@
                 <TableColumn fx:id="propertyValuesColumn" prefWidth="400.0" text="Value" />
               </columns>
             </TableView>
+            <HBox prefWidth="580" spacing="3.0">
+            	<children>
+            		<TextField fx:id="newKeyInput" promptText="Property name"/>
+            		<TextField fx:id="newValueInput" promptText="Property value"/>
+            		<Button fx:id="buttonAddUpdate" onAction="#onAddUpdateProperty" text="Add / Update"/>
+            		<Button fx:id="buttonDelete" onAction="#onDeleteProperty" text="Delete" disable="true"/>
+            	</children>
+           	</HBox>
             <Label text="Tags:" />
             <TagsBar fx:id="tagsBar" />
          </children>