001: /* ====================================================================
002: * The JRefactory License, Version 1.0
003: *
004: * Copyright (c) 2001 JRefactory. 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
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by the
021: * JRefactory (http://www.sourceforge.org/projects/jrefactory)."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
024: *
025: * 4. The names "JRefactory" must not be used to endorse or promote
026: * products derived from this software without prior written
027: * permission. For written permission, please contact seguin@acm.org.
028: *
029: * 5. Products derived from this software may not be called "JRefactory",
030: * nor may "JRefactory" appear in their name, without prior written
031: * permission of Chris Seguin.
032: *
033: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
034: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
035: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
036: * DISCLAIMED. IN NO EVENT SHALL THE CHRIS SEGUIN OR
037: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
038: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
039: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
040: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
041: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
042: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
043: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
044: * SUCH DAMAGE.
045: * ====================================================================
046: *
047: * This software consists of voluntary contributions made by many
048: * individuals on behalf of JRefactory. For more information on
049: * JRefactory, please see
050: * <http://www.sourceforge.org/projects/jrefactory>.
051: */
052: package org.acm.seguin.uml.line;
053:
054: import java.awt.LayoutManager;
055: import java.awt.Point;
056: import javax.swing.JPanel;
057: import java.util.List;
058: import java.util.LinkedList;
059: import java.util.Iterator;
060:
061: /**
062: * A panel that contains segmented lineList
063: *
064: *@author Chris Seguin
065: *@created August 6, 1999
066: */
067: public abstract class LinedPanel extends JPanel {
068: private LinkedList endPoints;
069: private LinkedList lineList;
070:
071: /**
072: * Constructor for the LinedPanel object
073: */
074: public LinedPanel() {
075: endPoints = new LinkedList();
076: lineList = new LinkedList();
077: }
078:
079: /**
080: * Constructor for the LinedPanel object
081: *
082: *@param doubleBuffered Description of Parameter
083: */
084: public LinedPanel(boolean doubleBuffered) {
085: super (doubleBuffered);
086: endPoints = new LinkedList();
087: lineList = new LinkedList();
088: }
089:
090: /**
091: * Constructor for the LinedPanel object
092: *
093: *@param layout Description of Parameter
094: */
095: public LinedPanel(LayoutManager layout) {
096: super (layout);
097: endPoints = new LinkedList();
098: lineList = new LinkedList();
099: }
100:
101: /**
102: * Constructor for the LinedPanel object
103: *
104: *@param layout Description of Parameter
105: *@param doubleBuffered Description of Parameter
106: */
107: public LinedPanel(LayoutManager layout, boolean doubleBuffered) {
108: super (layout, doubleBuffered);
109: endPoints = new LinkedList();
110: lineList = new LinkedList();
111: }
112:
113: /**
114: * Sends a message to determine if any line has been hit
115: *
116: *@param point The point that the mouse is at
117: */
118: public abstract void hit(Point point);
119:
120: /**
121: * Dragging action
122: *
123: *@param point The mouse's current position
124: */
125: public abstract void drag(Point point);
126:
127: /**
128: * User dropped an item
129: */
130: public abstract void drop();
131:
132: /**
133: * Description of the Method
134: *
135: *@param panel Description of Parameter
136: */
137: public void add(EndPointPanel panel) {
138: endPoints.add(panel);
139: super .add(panel);
140: }
141:
142: public void remove(EndPointPanel panel) {
143: endPoints.remove(panel);
144: super .remove(panel);
145: }
146:
147: /**
148: * Description of the Method
149: *
150: *@param value Description of Parameter
151: */
152: public void add(SegmentedLine value) {
153: lineList.add(value);
154: }
155:
156: /**
157: * Description of the Method
158: *
159: *@param value Description of Parameter
160: */
161: public void remove(SegmentedLine value) {
162: lineList.remove(value);
163: }
164:
165: /**
166: * Description of the Method
167: *
168: *@param value Description of Parameter
169: */
170: public void scale(double value) {
171: Iterator iter = endPoints.iterator();
172: while (iter.hasNext()) {
173: ((EndPointPanel) iter.next()).scale(value);
174: }
175:
176: iter = lineList.iterator();
177: while (iter.hasNext()) {
178: ((SegmentedLine) iter.next()).scale(value);
179: }
180: }
181:
182: /**
183: * Shifts the components of this lined panel
184: *
185: *@param x the amount to shift in the X axis
186: *@param y the amount to shift in the Y axis
187: */
188: public void shift(int x, int y) {
189: Iterator iter = endPoints.iterator();
190: while (iter.hasNext()) {
191: EndPointPanel next = (EndPointPanel) iter.next();
192: if (next.isSelected()) {
193: next.shift(x, y);
194: }
195: }
196:
197: iter = lineList.iterator();
198: while (iter.hasNext()) {
199: SegmentedLine next = (SegmentedLine) iter.next();
200: if (next.isBothEndsSelected()) {
201: next.shift(x, y);
202: }
203: }
204:
205: repaint();
206: }
207:
208: /**
209: * Removes all the lihnes and classes from this diagram
210: */
211: public void clear() {
212: endPoints.clear();
213: lineList.clear();
214: }
215:
216: /**
217: * Deselects all the end points
218: */
219: public void deselectAll() {
220: Iterator iter = getEndPointIterator();
221: while (iter.hasNext()) {
222: ((EndPointPanel) iter.next()).setSelected(false);
223: }
224: }
225:
226: /**
227: * Returns a list of lines
228: *
229: *@return the lines
230: */
231: public List getLines() {
232: return lineList;
233: }
234:
235: /**
236: * Returns an iterator into the list of lines
237: *
238: *@return the lines
239: */
240: public Iterator getLineIterator() {
241: return lineList.iterator();
242: }
243:
244: /**
245: * Return the list of panels
246: *
247: *@return the panels
248: */
249: protected List getEndPoints() {
250: return endPoints;
251: }
252:
253: /**
254: * Return an iterator into the list of panels
255: *
256: *@return the panels
257: */
258: protected Iterator getEndPointIterator() {
259: return endPoints.iterator();
260: }
261: }
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