Initial checkin of unified hierarchy of WPILib 2015

networktables/OutlineViewer/src/edu/wpi/first/tableviewer/LeafNode.java

@@ -0,0 +1,72 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package edu.wpi.first.tableviewer;
+
+import edu.wpi.first.wpilibj.networktables.NetworkTableProvider;
+import edu.wpi.first.wpilibj.networktables2.NetworkTableNode;
+import javax.swing.event.TableModelEvent;
+
+/**
+ * Responsible for showing data inside a single NetworkTableEntry: a key, a
+ * value, and a type that has been extrapolated from the value.
+ *
+ * @author Sam
+ */
+public class LeafNode extends AbstractTreeNode {
+
+    public LeafNode(NetworkTableNode node, String key, TableEntryData data) {
+        super(node, key, data);
+        table = new NetworkTableProvider(node).getTable(key.substring(0, key.lastIndexOf('/')));
+    }
+
+    /**
+     * Changes the value of the data displayed within this leaf. This is only a
+     * graphical update; use #setValue to actually change the value in the
+     * NetworkTable.
+     *
+     * @param newValue The new value for this leaf to show.
+     */
+    public void updateValue(Object newValue) {
+        data.setValue(newValue);
+        outline.tableChanged(new TableModelEvent(outline.getModel()));
+    }
+
+    /**
+     * Pushes the value of this leaf to the NetworkTable associated with it.
+     *
+     * @param newValue The value to send to the NetworkTable.
+     */
+    public void setValue(Object newValue) {
+        String v = newValue.toString();
+        switch (data.getType().toString()) {
+            case "Boolean":
+                table.putBoolean(data.getKey(), v.equalsIgnoreCase("true"));
+                break;
+            case "Number":
+                try {
+                    table.putNumber(data.getKey(), Double.parseDouble(v));
+                } catch (NumberFormatException e) {
+                    System.err.println("Invalid number " + v);
+                }
+                break;
+            case "String":
+                table.putString(data.getKey(), v);
+                break;
+            default:
+                System.err.println("Cannot edit a value of type " + data.getType());
+                break;
+        }
+    }
+
+    @Override
+    public boolean isLeaf() {
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return data.getKey();
+    }
+}