1 files changed, 63 insertions, 0 deletions
diff --git a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/ITypedElement.java b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/ITypedElement.java
new file mode 100644
index 000000000..83dcda31d
--- /dev/null
+++ b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/compare/org/eclipse/compare/ITypedElement.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed Materials - Property of IBM,
+ * WebSphere Studio Workbench
+ * (c) Copyright IBM Corp 2000, 2001
+ */
+package org.eclipse.compare;
+
+import org.eclipse.swt.graphics.Image;
+
+/**
+ * Interface for getting the name, image, and type for an object.
+ * <p>
+ * These methods are typically used to present an input object in the compare UI
+ * (<code>getName</code> and <code>getImage</code>)
+ * and for finding a viewer for a given input type (<code>getType</code>).
+ * <p>
+ * Clients may implement this interface.
+ */
+public interface ITypedElement {
+
+	/**
+	 * Type for a folder input. Folders are comparison
+	 * elements that have no contents, only a name and children.
+	 */
+	public static final String FOLDER_TYPE= "FOLDER";
+
+	/**
+	 * Type for an element whose actual type is text.
+	 */
+	public static final String TEXT_TYPE= "txt";
+
+	/**
+	 * Type for an element whose actual type could not
+	 * be determined.
+	 */
+	public static final String UNKNOWN_TYPE= "???";
+
+	/**
+	 * Returns the name of this object.
+	 * The name is used when displaying this object in the UI.
+	 *
+	 * @return the name of this object
+	 */
+	String getName();
+
+	/**
+	 * Returns an image for this object.
+	 * This image is used when displaying this object in the UI.
+	 *
+	 * @return the image of this object or <code>null</code> if this type of input has no image
+	 */
+	Image getImage();
+
+	/**
+	 * Returns the type of this object. For objects with a file name
+	 * this is typically the file extension. For folders its the constant
+	 * <code>FOLDER_TYPE</code>.
+	 * The type is used for determining a suitable viewer for this object.
+	 *
+	 * @return the type of this object
+	 */
+	String getType();
+}