X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fload%2FComponentHider.java;fp=src%2Ftim%2Fprune%2Fload%2FComponentHider.java;h=45eeccdc685626a54059900fbc9dac07ae9086fd;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/load/ComponentHider.java b/src/tim/prune/load/ComponentHider.java
new file mode 100644
index 0000000..45eeccd
--- /dev/null
+++ b/src/tim/prune/load/ComponentHider.java
@@ -0,0 +1,59 @@
+package tim.prune.load;
+
+import java.awt.Component;
+import java.util.ArrayList;
+
+import tim.prune.data.Field;
+
+/**
+ * Class to hold a list of Components and fields,
+ * and then enable or disable them (setEnabled) according
+ * to whether those fields are available or not
+ */
+public class ComponentHider
+{
+	/**
+	 * Inner class to hold each Component and its Field
+	 */
+	static class ComponentPair
+	{
+		public Component _component = null;
+		public Field     _field     = null;
+		/** Constructor */
+		public ComponentPair(Component inComponent, Field inField)
+		{
+			_component = inComponent;
+			_field     = inField;
+		}
+	}
+
+	/** list itself */
+	private ArrayList<ComponentPair> _componentList = new ArrayList<ComponentPair>(20);
+
+	/**
+	 * Add a new component to be controlled
+	 * @param inComponent component to enable/disable
+	 * @param inField associated field
+	 */
+	public void addComponent(Component inComponent, Field inField)
+	{
+		if (inComponent != null && inField != null) {
+			_componentList.add(new ComponentPair(inComponent, inField));
+		}
+	}
+
+	/**
+	 * Enable or disable the components for the given field
+	 * @param inField field
+	 * @param inEnabled true for enabled, false for disabled
+	 */
+	public void enableComponents(Field inField, boolean inEnabled)
+	{
+		for (ComponentPair pair : _componentList)
+		{
+			if (pair != null && pair._field == inField) {
+				pair._component.setEnabled(inEnabled);
+			}
+		}
+	}
+}