--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.ui.text.folding;
+
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+/**
+ * Contributors to the
+ * <code>net.sourceforge.phpdt.ui.foldingStructureProvider</code> extension
+ * point can specify an implementation of this interface to be displayed on the
+ * Java > Editor > Folding preference page.
+ * <p>
+ * Clients may implement this interface.
+ * </p>
+ *
+ * @since 3.0
+ */
+public interface IJavaFoldingPreferenceBlock {
+
+ /**
+ * Creates the control that will be displayed on the Java Editor folding
+ * preference page.
+ *
+ * @param parent
+ * the parent composite to which to add the preferences control
+ * @return the control that was added to <code>parent</code>
+ */
+ Control createControl(Composite parent);
+
+ /**
+ * Called after creating the control. Implementations should load the
+ * preferences values and update the controls accordingly.
+ */
+ void initialize();
+
+ /**
+ * Called when the <code>OK</code> button is pressed on the preference
+ * page. Implementations should commit the configured preference settings
+ * into their form of preference storage.
+ */
+ void performOk();
+
+ /**
+ * Called when the <code>Defaults</code> button is pressed on the
+ * preference page. Implementation should reset any preference settings to
+ * their default values and adjust the controls accordingly.
+ */
+ void performDefaults();
+
+ /**
+ * Called when the preference page is being disposed. Implementations should
+ * free any resources they are holding on to.
+ */
+ void dispose();
+
+}