components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/FilteredListModel.java
changeset 3553 f1d133b09a8c
parent 3552 077ebe3d0d24
child 3554 ef58713bafc4
--- a/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/FilteredListModel.java	Tue Dec 16 05:53:51 2014 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,171 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-
-/*
- * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
- */
-
-package com.oracle.solaris.vp.util.swing;
-
-import java.util.*;
-import javax.swing.ListModel;
-import javax.swing.event.*;
-import com.oracle.solaris.vp.util.misc.CollectionUtil;
-import com.oracle.solaris.vp.util.misc.predicate.*;
-import com.oracle.solaris.vp.util.swing.event.ListDataListeners;
-
-/**
- * The {@code FilteredListModel} class applies a {@link Predicate} filter to a
- * {@code Collection} to produce the contents of a {@code ListModel}.
- */
-public class FilteredListModel<T> implements ListModel {
-    //
-    // Instance data
-    //
-
-    private ListDataListeners listeners = new ListDataListeners();
-    private Collection<T> items;
-    private List<T> filtered = Collections.emptyList();
-    private Predicate<T> predicate;
-
-    //
-    // Constructors
-    //
-
-    /**
-     * Constructs a {@code FilteredListModel} for the given items and filter.
-     * Note: the behavior of this class is undefined if the given {@code
-     * Collection} changes after this object's construction.
-     *
-     * @param	    items
-     *		    the unfiltered data {@code Collection}
-     *
-     * @param	    predicate
-     *		    an initial filter to apply, or {@code null} to apply no
-     *		    filter
-     */
-    public FilteredListModel(Collection<T> items, Predicate<T> predicate) {
-	this.items = items;
-	setPredicate(predicate);
-    }
-
-    /**
-     * Constructs a {@code FilteredListModel} for the given items and no filter.
-     *
-     * @param	    items
-     *		    the unfiltered data {@code Collection}
-     */
-    public FilteredListModel(Collection<T> items) {
-	this(items, null);
-    }
-
-    //
-    // ListModel methods
-    //
-
-    @Override
-    public void addListDataListener(ListDataListener l) {
-	listeners.add(l);
-    }
-
-    @Override
-    public T getElementAt(int index) {
-	return filtered.get(index);
-    }
-
-    @Override
-    public int getSize() {
-	return filtered.size();
-    }
-
-    @Override
-    public void removeListDataListener(ListDataListener l) {
-	listeners.remove(l);
-    }
-
-    //
-    // FilteredListModel methods
-    //
-
-    protected void fireContentsChanged(int start, int end) {
-	ListDataEvent event = new ListDataEvent(this,
-	    ListDataEvent.CONTENTS_CHANGED, start, end);
-	listeners.contentsChanged(event);
-    }
-
-    protected void fireIntervalAdded(int start, int end) {
-	ListDataEvent event = new ListDataEvent(this,
-	    ListDataEvent.INTERVAL_ADDED, start, end);
-	listeners.intervalAdded(event);
-    }
-
-    protected void fireIntervalRemoved(int start, int end) {
-	ListDataEvent event = new ListDataEvent(this,
-	    ListDataEvent.INTERVAL_REMOVED, start, end);
-	listeners.intervalRemoved(event);
-    }
-
-    protected List<T> getFiltered() {
-	return Collections.unmodifiableList(filtered);
-    }
-
-    protected ListDataListeners getListeners() {
-	return listeners;
-    }
-
-    /**
-     * Gets the {@link Predicate} applied to the data {@code Collection} for
-     * this {@code FilteredListModel}.
-     *
-     * @return	    a {@link Predicate}, or {@code null} if no filter is applied
-     */
-    public Predicate<T> getPredicate() {
-	return predicate;
-    }
-
-    /**
-     * Sets the {@link Predicate} to apply to the data {@code Collection} for
-     * this {@code FilteredListModel}.
-     *
-     * @param	    predicate
-     *		    a {@link Predicate}, or {@code null} if no filter should be
-     *		    applied
-     */
-    public void setPredicate(Predicate<T> predicate) {
-	this.predicate = predicate;
-
-	if (predicate == null) {
-	    predicate = TruePredicate.getInstance();
-	}
-
-	int size = filtered.size();
-	if (size > 0) {
-	    filtered = Collections.emptyList();
-	    fireIntervalRemoved(0, size - 1);
-	}
-
-	filtered = CollectionUtil.filter(items, predicate);
-	size = filtered.size();
-	if (size > 0) {
-	    fireIntervalAdded(0, size - 1);
-	}
-    }
-}