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1
26
27 package org.nightlabs.editor2d.viewer;
28
29 import java.awt.Point  ;
30 import java.util.ArrayList ;
31 import java.util.Collection ;
32 import java.util.Iterator ;
33
34 import org.apache.log4j.Logger;
35 import org.eclipse.swt.widgets.Display;
36 import org.nightlabs.editor2d.viewer.event.IMouseChangedListener;
37 import org.nightlabs.editor2d.viewer.event.MouseEvent;
38 import org.nightlabs.editor2d.viewer.event.MouseListener;
39 import org.nightlabs.editor2d.viewer.event.MouseMoveListener;
40
41 public abstract class AbstractMouseManager
42 implements IMouseManager
43 {
44 public static final Logger LOGGER = Logger.getLogger(AbstractMouseManager.class);
45
46 public AbstractMouseManager(IViewer viewer)
47 {
48 super();
49 this.viewer = viewer;
50 }
51
52 protected IViewer viewer;
53 public IViewer getViewer() {
54 return viewer;
55 }
56
57
71 public double getZoom() {
72 return getViewer().getZoom();
73 }
74
75 protected int getAbsoluteScrollOffsetX() {
76 return getViewer().getViewport().getOffsetX();
77 }
78
79 protected int getAbsoluteScrollOffsetY() {
80 return getViewer().getViewport().getOffsetY();
81 }
82
83 protected int getRelativeScrollOffsetX() {
84 return (int) Math.rint(getAbsoluteScrollOffsetX() / getZoom());
85 }
86
87 protected int getRelativeScrollOffsetY() {
88 return (int) Math.rint(getAbsoluteScrollOffsetY() / getZoom());
89 }
90
91 protected int x = 0;
92 protected int y = 0;
93
94 public int getRelativeX() {
95 return ((int) Math.rint(x / getZoom())) + getRelativeScrollOffsetX();
96 }
97 public int getRelativeY() {
98 return ((int) Math.rint(y / getZoom())) + getRelativeScrollOffsetY();
99 }
100
101 public int getAbsoluteX() {
102 return x + getAbsoluteScrollOffsetX();
103 }
104 public int getAbsoluteY() {
105 return y + getAbsoluteScrollOffsetY();
106 }
107
108 protected Point relativePoint = new Point (x,y);
109 public Point getRelativePoint()
110 {
111 relativePoint.x = getRelativeX();
112 relativePoint.y = getRelativeY();
113 return relativePoint;
114 }
115
116 protected Point absolutePoint = new Point (x,y);
117 public Point getAbsolutePoint()
118 {
119 absolutePoint.x = getAbsoluteX();
120 absolutePoint.y = getAbsoluteY();
121 return absolutePoint;
122 }
123
124 protected Collection mouseChangedListeners = null;
125 protected Collection getMouseChangedListeners()
126 {
127 if (mouseChangedListeners == null)
128 mouseChangedListeners = new ArrayList ();
129
130 return mouseChangedListeners;
131 }
132
133 protected void doFireMouseChanged()
134 {
135 for (Iterator it = getMouseChangedListeners().iterator(); it.hasNext(); ) {
136 IMouseChangedListener l = (IMouseChangedListener) it.next();
137 l.mouseChanged(getRelativePoint(), getAbsolutePoint());
138 }
139 }
140
141 protected void fireMouseChanged()
142 {
143 Display.getDefault().asyncExec(new Runnable ()
144 {
145 public void run() {
146 doFireMouseChanged();
147 }
148 });
149 }
150
151 public void addMouseChangedListener(IMouseChangedListener l) {
152 getMouseChangedListeners().add(l);
153 }
154
155 public void removeMouseChangedListener(IMouseChangedListener l) {
156 getMouseChangedListeners().remove(l);
157 }
158
159 protected Collection mouseMoveListenerer = null;
160 protected Collection getMouseMoveListeners()
161 {
162 if (mouseMoveListenerer == null)
163 mouseMoveListenerer = new ArrayList ();
164
165 return mouseMoveListenerer;
166 }
167
168 public void addMouseMoveListener(MouseMoveListener l) {
169 getMouseMoveListeners().add(l);
170 }
171
172 public void removeMouseMoveListener(MouseMoveListener l) {
173 getMouseMoveListeners().remove(l);
174 }
175
176 protected MouseEvent mouseEvent = new MouseEvent();
177 protected void doFireMouseMoved(int x, int y, int mouseButton)
178 {
179 mouseEvent.setX(x);
180 mouseEvent.setY(y);
181 mouseEvent.setButton(mouseButton);
182 for (Iterator it = getMouseMoveListeners().iterator(); it.hasNext(); ) {
183 MouseMoveListener l = (MouseMoveListener) it.next();
184 l.mouseMoved(mouseEvent);
185 }
186 }
187
188 protected void fireMouseMoved(final int x, final int y, final int mouseButton)
189 {
190 Display.getDefault().asyncExec(new Runnable ()
191 {
192 public void run() {
193 doFireMouseMoved(x, y, mouseButton);
194 }
195 });
196 }
197
198 protected Collection mouseListeners = null;
199 protected Collection getMouseListeners()
200 {
201 if (mouseListeners == null)
202 mouseListeners = new ArrayList ();
203
204 return mouseListeners;
205 }
206
207 public void addMouseListener(MouseListener l) {
208 getMouseListeners().add(l);
209 }
210
211 public void removeMouseListener(MouseListener l) {
212 getMouseListeners().remove(l);
213 }
214
215 protected void doFireMousePressed(int x, int y, int mouseButton)
216 {
217 mouseEvent.setX(x);
218 mouseEvent.setY(y);
219 mouseEvent.setButton(mouseButton);
220 for (Iterator it = getMouseListeners().iterator(); it.hasNext(); ) {
221 MouseListener l = (MouseListener) it.next();
222 l.mousePressed(mouseEvent);
223 }
224 }
225
226 protected void fireMousePressed(final int x, final int y, final int mouseButton)
227 {
228 Display.getDefault().asyncExec(new Runnable ()
229 {
230 public void run() {
231 doFireMousePressed(x, y, mouseButton);
232 }
233 });
234 }
235
236 protected void doFireMouseReleased(int x, int y, int mouseButton)
237 {
238 mouseEvent.setX(x);
239 mouseEvent.setY(y);
240 mouseEvent.setButton(mouseButton);
241 for (Iterator it = getMouseListeners().iterator(); it.hasNext(); ) {
242 MouseListener l = (MouseListener) it.next();
243 l.mouseReleased(mouseEvent);
244 }
245 }
246
247 protected void fireMouseReleased(final int x, final int y, final int mouseButton)
248 {
249 Display.getDefault().asyncExec(new Runnable ()
250 {
251 public void run() {
252 doFireMouseReleased(x, y, mouseButton);
253 }
254 });
255 }
256
257
307
308 }
309 |
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