001: /*BEGIN_COPYRIGHT_BLOCK
002: *
003: * Copyright (c) 2001-2007, JavaPLT group at Rice University (javaplt@rice.edu)
004: * All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions are met:
008: * * Redistributions of source code must retain the above copyright
009: * notice, this list of conditions and the following disclaimer.
010: * * Redistributions in binary form must reproduce the above copyright
011: * notice, this list of conditions and the following disclaimer in the
012: * documentation and/or other materials provided with the distribution.
013: * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the
014: * names of its contributors may be used to endorse or promote products
015: * derived from this software without specific prior written permission.
016: *
017: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
018: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
019: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
020: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
021: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
022: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
023: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
024: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
025: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
026: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
027: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
028: *
029: * This software is Open Source Initiative approved Open Source Software.
030: * Open Source Initative Approved is a trademark of the Open Source Initiative.
031: *
032: * This file is part of DrJava. Download the current version of this project
033: * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/
034: *
035: * END_COPYRIGHT_BLOCK*/
036:
037: package edu.rice.cs.util.docnavigation;
038:
039: import java.awt.dnd.*;
040: import java.awt.datatransfer.*;
041: import edu.rice.cs.drjava.DrJavaRoot;
042:
043: class JListSortNavigator<ItemT extends INavigatorItem> extends
044: JListNavigator<ItemT> implements DropTargetListener {
045:
046: /* Relies on the standard default constructor */
047:
048: /** Adds the document to the list. Should only be executed from event thread.
049: * @param doc the document to add
050: */
051: public void addDocument(ItemT doc) {
052: insertDoc(doc);
053: }
054:
055: /** Inserts the document into its sorted position. Should only be executed in the event thread.
056: * @param doc the document to add
057: */
058: private int insertDoc(ItemT doc) {
059: int i;
060: synchronized (_model) {
061: for (i = 0; i < _model.size(); i++) {
062: ItemT item = getFromModel(i);
063: if (doc.getName().toUpperCase().compareTo(
064: item.getName().toUpperCase()) <= 0)
065: break;
066: }
067: _model.add(i, doc);
068: }
069: return i;
070: }
071:
072: public String toString() {
073: synchronized (_model) {
074: return _model.toString();
075: }
076: }
077:
078: /** Drag and drop target. */
079: DropTarget dropTarget = new DropTarget(this , this );
080:
081: /** User dragged something into the component. */
082: public void dragEnter(DropTargetDragEvent dropTargetDragEvent) {
083: DrJavaRoot.dragEnter(dropTargetDragEvent);
084: }
085:
086: public void dragExit(DropTargetEvent dropTargetEvent) {
087: }
088:
089: public void dragOver(DropTargetDragEvent dropTargetDragEvent) {
090: }
091:
092: public void dropActionChanged(
093: DropTargetDragEvent dropTargetDragEvent) {
094: }
095:
096: /** User dropped something on the component. */
097: public synchronized void drop(
098: DropTargetDropEvent dropTargetDropEvent) {
099: DrJavaRoot.drop(dropTargetDropEvent);
100: }
101: }
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