Source Code Cross Referenced for InfiniteProgressPanel.java in  » Swing-Library » jide-common » com » jidesoft » swing » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Swing Library » jide common » com.jidesoft.swing 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 2005, romain guy (romain.guy@jext.org) and craig wickesser (craig@codecraig.com) and henry story
003:         * All rights reserved.
004:         *
005:         * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
006:         *
007:         *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
008:         *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
009:         *     * Neither the name of the <ORGANIZATION> nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
010:         *
011:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
012:         * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
013:         * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
014:         * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
015:         * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
016:         * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
017:         * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
018:         * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
019:         * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
020:         * POSSIBILITY OF SUCH DAMAGE.
021:         */
022:        package com.jidesoft.swing;
023:
024:        import javax.swing.*;
025:        import java.awt.*;
026:        import java.awt.event.ActionEvent;
027:        import java.awt.event.ActionListener;
028:        import java.awt.geom.AffineTransform;
029:        import java.awt.geom.Area;
030:        import java.awt.geom.Point2D;
031:        import java.awt.geom.Rectangle2D;
032:
033:        public class InfiniteProgressPanel extends JComponent implements 
034:                ActionListener {
035:            private static final int DEFAULT_NUMBER_OF_BARS = 12;
036:
037:            private int numBars;
038:            private double dScale = 1.2d;
039:
040:            private Area[] bars;
041:            private Rectangle barsBounds = null;
042:            private Rectangle barsScreenBounds = null;
043:            private AffineTransform centerAndScaleTransform = null;
044:            private Timer timer = new Timer(1000 / 16, this );
045:            private Color[] colors = null;
046:            private int colorOffset = 0;
047:            private boolean tempHide = false;
048:            private String text;
049:
050:            public InfiniteProgressPanel() {
051:                this .numBars = DEFAULT_NUMBER_OF_BARS;
052:
053:                colors = new Color[numBars * 2];
054:
055:                // build bars
056:                bars = buildTicker(numBars);
057:
058:                // calculate bars bounding rectangle
059:                barsBounds = new Rectangle();
060:                for (int i = 0; i < bars.length; i++) {
061:                    barsBounds = barsBounds.union(bars[i].getBounds());
062:                }
063:
064:                // create colors
065:                for (int i = 0; i < bars.length; i++) {
066:                    int channel = 224 - 128 / (i + 1);
067:                    colors[i] = new Color(channel, channel, channel);
068:                    colors[numBars + i] = colors[i];
069:                }
070:
071:                // set cursor
072:                //setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
073:
074:                // set opaque
075:                setOpaque(true);
076:            }
077:
078:            /**
079:             * Called to animate the rotation of the bar's colors
080:             */
081:            public void actionPerformed(ActionEvent e) {
082:                // rotate colors
083:                if (colorOffset == (numBars - 1)) {
084:                    colorOffset = 0;
085:                } else {
086:                    colorOffset++;
087:                }
088:                // repaint
089:                if (barsScreenBounds != null) {
090:                    repaint(barsScreenBounds);
091:                } else {
092:                    repaint();
093:                }
094:            }
095:
096:            /**
097:             * Show/Hide the pane, starting and stopping the animation as you go
098:             */
099:            public void setVisible(boolean i_bIsVisible) {
100:                setOpaque(false);
101:                // capture
102:                if (i_bIsVisible) {
103:                    // start anim
104:                    timer.start();
105:                } else {
106:                    // stop anim
107:                    timer.stop();
108:                }
109:                super .setVisible(i_bIsVisible);
110:            }
111:
112:            /**
113:             * Recalc bars based on changes in size
114:             */
115:            public void setBounds(int x, int y, int width, int height) {
116:                super .setBounds(x, y, width, height);
117:                // update centering transform
118:                centerAndScaleTransform = new AffineTransform();
119:                centerAndScaleTransform.translate((double) getWidth() / 2d,
120:                        (double) getHeight() / 2d);
121:                centerAndScaleTransform.scale(dScale, dScale);
122:                // calc new bars bounds
123:                if (barsBounds != null) {
124:                    Area oBounds = new Area(barsBounds);
125:                    oBounds.transform(centerAndScaleTransform);
126:                    barsScreenBounds = oBounds.getBounds();
127:                }
128:            }
129:
130:            /**
131:             * paint background dimed and bars over top
132:             */
133:            protected void paintComponent(Graphics g) {
134:                if (!tempHide) {
135:                    Rectangle oClip = g.getClipBounds();
136:
137:                    if (isOpaque()) {
138:                        g.setColor(getBackground());
139:                        g.fillRect(oClip.x, oClip.y, oClip.width, oClip.height);
140:                    }
141:
142:                    // move to center
143:                    Graphics2D g2 = (Graphics2D) g.create();
144:                    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
145:                            RenderingHints.VALUE_ANTIALIAS_ON);
146:                    g2.transform(centerAndScaleTransform);
147:                    // draw ticker
148:                    for (int i = 0; i < bars.length; i++) {
149:                        g2.setColor(colors[i + colorOffset]);
150:                        g2.fill(bars[i]);
151:                    }
152:                }
153:            }
154:
155:            /**
156:             * Builds the circular shape and returns the result as an array of <code>Area</code>. Each <code>Area</code> is one
157:             * of the bars composing the shape.
158:             */
159:            private static Area[] buildTicker(int i_iBarCount) {
160:                Area[] ticker = new Area[i_iBarCount];
161:                Point2D.Double center = new Point2D.Double(0, 0);
162:                double fixedAngle = 2.0 * Math.PI / ((double) i_iBarCount);
163:
164:                for (double i = 0.0; i < (double) i_iBarCount; i++) {
165:                    Area primitive = buildPrimitive();
166:
167:                    AffineTransform toCenter = AffineTransform
168:                            .getTranslateInstance(center.getX(), center.getY());
169:                    AffineTransform toBorder = AffineTransform
170:                            .getTranslateInstance(2.0, -0.4);
171:                    AffineTransform toCircle = AffineTransform
172:                            .getRotateInstance(-i * fixedAngle, center.getX(),
173:                                    center.getY());
174:
175:                    AffineTransform toWheel = new AffineTransform();
176:                    toWheel.concatenate(toCenter);
177:                    toWheel.concatenate(toBorder);
178:
179:                    primitive.transform(toWheel);
180:                    primitive.transform(toCircle);
181:
182:                    ticker[(int) i] = primitive;
183:                }
184:
185:                return ticker;
186:            }
187:
188:            /**
189:             * Builds a bar.
190:             */
191:            private static Area buildPrimitive() {
192:                //        Rectangle2D.Double body = new Rectangle2D.Double(6, 0, 30, 12);
193:                //        Ellipse2D.Double head = new Ellipse2D.Double(0, 0, 12, 12);
194:                //        Ellipse2D.Double tail = new Ellipse2D.Double(30, 0, 12, 12);
195:                //        Rectangle2D.Double body = new Rectangle2D.Double(3, 0, 15, 6);
196:                //        Ellipse2D.Double head = new Ellipse2D.Double(0, 0, 6, 6);
197:                //        Ellipse2D.Double tail = new Ellipse2D.Double(15, 0, 6, 6);
198:                //        Rectangle2D.Double body = new Rectangle2D.Double(2, 0, 10, 4);
199:                //        Ellipse2D.Double head = new Ellipse2D.Double(0, 0, 4, 4);
200:                //        Ellipse2D.Double tail = new Ellipse2D.Double(10, 0, 4, 4);
201:                Rectangle2D.Double body = new Rectangle2D.Double(0, 0, 6, 1);
202:                //        Ellipse2D.Double head = new Ellipse2D.Double(0, 0, 2, 2);
203:                //        Ellipse2D.Double tail = new Ellipse2D.Double(5, 0, 2, 2);
204:
205:                Area tick = new Area(body);
206:                //        tick.add(new Area(head));
207:                //        tick.add(new Area(tail));
208:                //
209:                return tick;
210:            }
211:
212:            public void start() {
213:                setVisible(true);
214:            }
215:
216:            public void stop() {
217:                setVisible(false);
218:            }
219:        }
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