Source Code Cross Referenced for MessageBubble.java in  » GIS » udig-1.1 » net » refractions » udig » tools » edit » animation » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » udig 1.1 » net.refractions.udig.tools.edit.animation 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* uDig - User Friendly Desktop Internet GIS client
002:         * http://udig.refractions.net
003:         * (C) 2004, Refractions Research Inc.
004:         *
005:         * This library is free software; you can redistribute it and/or
006:         * modify it under the terms of the GNU Lesser General Public
007:         * License as published by the Free Software Foundation;
008:         * version 2.1 of the License.
009:         *
010:         * This library is distributed in the hope that it will be useful,
011:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
012:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013:         * Lesser General Public License for more details.
014:         */
015:        package net.refractions.udig.tools.edit.animation;
016:
017:        import java.awt.Color;
018:        import java.awt.Rectangle;
019:        import java.awt.geom.Rectangle2D;
020:
021:        import net.refractions.udig.project.render.displayAdapter.IMapDisplay;
022:        import net.refractions.udig.project.ui.IAnimation;
023:        import net.refractions.udig.project.ui.commands.AbstractDrawCommand;
024:        import net.refractions.udig.project.ui.render.displayAdapter.MapMouseEvent;
025:        import net.refractions.udig.project.ui.render.displayAdapter.MapMouseListener;
026:        import net.refractions.udig.project.ui.render.displayAdapter.MapMouseMotionListener;
027:        import net.refractions.udig.project.ui.render.displayAdapter.MapMouseWheelEvent;
028:        import net.refractions.udig.project.ui.render.displayAdapter.MapMouseWheelListener;
029:        import net.refractions.udig.project.ui.render.displayAdapter.ViewportPane;
030:        import net.refractions.udig.ui.graphics.ViewportGraphics;
031:
032:        import org.eclipse.core.runtime.IProgressMonitor;
033:
034:        /**
035:         * Creates a semi transparent bubble (OSX like) that show a message to the user and disappears after
036:         * a few seconds.
037:         * 
038:         * @author Jesse
039:         * @since 1.1.0
040:         */
041:        public class MessageBubble extends AbstractDrawCommand implements 
042:                IAnimation {
043:
044:            private int x;
045:            private int y;
046:            private String[] message;
047:            private short delay;
048:            private Rectangle validArea;
049:            private int verticalBorder = 5;
050:            private int horizontalBorder = 5;
051:            private int verticalCornerArc = 15;
052:            private int horizontalCornerArc = 15;
053:            private Color bubbleColor = new Color(0, 0, 0, 167);
054:            private Color textColor = new Color(200, 200, 200, 167);
055:
056:            /**
057:             * 
058:             * @param x upperLeft of message
059:             * @param y upperLeft of message
060:             * @param message message to display
061:             * @param delay the length of time to show the message
062:             */
063:            public MessageBubble(final int x, final int y,
064:                    final String message, short delay) {
065:                this .x = x;
066:                this .y = y;
067:                processMessage(message);
068:                this .delay = delay;
069:            }
070:
071:            private void processMessage(String message) {
072:                this .message = message.split("[\n\r]"); //$NON-NLS-1$
073:                for (String part : this .message) {
074:                    part.replaceAll("\t", "    "); //$NON-NLS-1$//$NON-NLS-2$
075:                }
076:            }
077:
078:            public short getFrameInterval() {
079:                return delay;
080:            }
081:
082:            public boolean hasNext() {
083:                return false;
084:            }
085:
086:            public void nextFrame() {
087:            }
088:
089:            public void run(IProgressMonitor monitor) throws Exception {
090:
091:                display.addMouseListener(mouseListener);
092:                display.addMouseWheelListener(wheelListener);
093:
094:                Rectangle2D messageBounds = new Rectangle(0, 0);
095:
096:                for (String part : message) {
097:                    Rectangle2D size = graphics.getStringBounds(part);
098:                    messageBounds = new Rectangle(
099:                            (int) (Math.max(size.getWidth(), messageBounds
100:                                    .getWidth())),
101:                            (int) (size.getHeight() + messageBounds.getHeight()));
102:                }
103:
104:                if (x + messageBounds.getWidth() > display.getWidth()
105:                        + horizontalBorder) {
106:                    x = (int) (display.getWidth() - horizontalBorder - messageBounds
107:                            .getWidth());
108:                }
109:                if (y + messageBounds.getHeight() > display.getHeight()
110:                        + verticalBorder) {
111:                    y = (int) (display.getHeight() - verticalBorder - messageBounds
112:                            .getHeight());
113:                }
114:
115:                validArea = new Rectangle(x, y, (int) messageBounds.getWidth()
116:                        + horizontalBorder, (int) messageBounds.getHeight()
117:                        + verticalBorder);
118:
119:                graphics.setColor(bubbleColor);
120:                graphics.fillRoundRect(x, y, (int) messageBounds.getWidth()
121:                        + horizontalBorder, (int) messageBounds.getHeight()
122:                        + verticalBorder, horizontalCornerArc,
123:                        verticalCornerArc);
124:
125:                // color for the message
126:                graphics.setColor(textColor);
127:                int height = graphics.getFontHeight();
128:                int i = 0;
129:                int verticalOffset = verticalBorder / 2;
130:                int horizontalOffset = horizontalBorder / 2;
131:                for (String part : message) {
132:                    graphics.drawString(part, x + horizontalOffset, y
133:                            + verticalOffset + (height * i),
134:                            ViewportGraphics.ALIGN_LEFT,
135:                            ViewportGraphics.ALIGN_BOTTOM);
136:                    i++;
137:                }
138:            }
139:
140:            public Rectangle getValidArea() {
141:                return validArea;
142:            }
143:
144:            /**
145:             * Sets the space between the edge of the bubble and the text.  Default = 10 pixels
146:             *
147:             * @param horizontalBorder border along the x-axis.  In pixels.
148:             */
149:            public void setHorizontalBorder(int horizontalBorder) {
150:                this .horizontalBorder = horizontalBorder;
151:            }
152:
153:            /**
154:             * Sets the space between the edge of the bubble and the text.  Default = 10 pixels
155:             *
156:             * @param verticalBorder border along the y-axis.  In pixels.
157:             */
158:            public void setVerticalBorder(int verticalBorder) {
159:                this .verticalBorder = verticalBorder;
160:            }
161:
162:            /**
163:             * Sets the horizontal Arc of the bubble corners for the four edges. Default is 15 pixels.
164:             *
165:             * @param horizontalCornerArc the horizontal Arc of the bubble corners for the four edges in pixels.
166:             */
167:            public void setHorizontalCornerArc(int horizontalCornerArc) {
168:                this .horizontalCornerArc = horizontalCornerArc;
169:            }
170:
171:            /**
172:             * Sets the vertical Arc of the bubble corners for the four edges. Default is 15 pixels.
173:             *
174:             * @param verticalCornerArc the vertical Arc of the bubble corners for the four edges in pixels.
175:             */
176:            public void setVerticalCornerArc(int verticalCornerArc) {
177:                this .verticalCornerArc = verticalCornerArc;
178:            }
179:
180:            /**
181:             * Returns the color used to draw the Message Bubble
182:             *
183:             * @return the color used to draw the Message Bubble
184:             */
185:            public Color getBubbleColor() {
186:                return bubbleColor;
187:            }
188:
189:            /**
190:             * Sets the color used to draw the Message Bubble.  Default is Color(0,0,0,167);
191:             *
192:             * @param bubbleColor the new color to use
193:             */
194:            public void setBubbleColor(Color bubbleColor) {
195:                this .bubbleColor = bubbleColor;
196:            }
197:
198:            /**
199:             * Returns the color used to draw the Message
200:             *
201:             * @return the color used to draw the Message
202:             */
203:            public Color getTextColor() {
204:                return textColor;
205:            }
206:
207:            /**
208:             * Sets the color used to draw the Message.  Default is Color(200,200,200,167);
209:             *
210:             * @param bubbleColor the new color to use
211:             */
212:            public void setTextColor(Color textColor) {
213:                this .textColor = textColor;
214:            }
215:
216:            @Override
217:            public void setValid(boolean valid) {
218:                super .setValid(valid);
219:                display.removeMouseListener(mouseListener);
220:                display.removeMouseWheelListener(wheelListener);
221:            }
222:
223:            private MapMouseListener mouseListener = new MapMouseListener() {
224:
225:                public void mouseDoubleClicked(MapMouseEvent event) {
226:                    disable((ViewportPane) event.source, this );
227:                }
228:
229:                public void mouseEntered(MapMouseEvent event) {
230:                    disable((ViewportPane) event.source, this );
231:                }
232:
233:                public void mouseExited(MapMouseEvent event) {
234:                    disable((ViewportPane) event.source, this );
235:                }
236:
237:                public void mousePressed(MapMouseEvent event) {
238:                    disable((ViewportPane) event.source, this );
239:                }
240:
241:                public void mouseReleased(MapMouseEvent event) {
242:                    disable((ViewportPane) event.source, this );
243:                }
244:
245:            };
246:
247:            private MapMouseWheelListener wheelListener = new MapMouseWheelListener() {
248:
249:                public void mouseWheelMoved(MapMouseWheelEvent e) {
250:                    disable(display, this );
251:                }
252:
253:            };
254:
255:            void disable(ViewportPane pane, Object listener) {
256:                if (!isValid(pane)) {
257:                    if (listener instanceof  MapMouseMotionListener)
258:                        pane
259:                                .removeMouseMotionListener((MapMouseMotionListener) listener);
260:                    else if (listener instanceof  MapMouseListener) {
261:                        pane.removeMouseListener((MapMouseListener) listener);
262:                    } else if (listener instanceof  MapMouseWheelListener) {
263:                        pane
264:                                .removeMouseWheelListener((MapMouseWheelListener) listener);
265:                    }
266:
267:                    return;
268:                }
269:
270:                setValid(false);
271:                Rectangle bounds = getValidArea();
272:                if (bounds == null) {
273:                    pane.repaint();
274:                } else {
275:                    pane.repaint(bounds.x, bounds.y, bounds.width,
276:                            bounds.height);
277:                }
278:            }
279:
280:            private boolean isValid(IMapDisplay source) {
281:                if (!MessageBubble.this .isValid())
282:                    return false;
283:                if (source != display)
284:                    return false;
285:                return true;
286:            }
287:        }
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