1 | /*************************************************************************** |
2 | kimecommands.cpp - description |
3 | ------------------- |
4 | begin : Fri May 25 2001 |
5 | copyright : (C) 2001 by Jan Schäfer |
6 | email : j_schaef@informatik.uni-kl.de |
7 | ***************************************************************************/ |
8 | |
9 | /*************************************************************************** |
10 | * * |
11 | * This program is free software; you can redistribute it and/or modify * |
12 | * it under the terms of the GNU General Public License as published by * |
13 | * the Free Software Foundation; either version 2 of the License, or * |
14 | * (at your option) any later version. * |
15 | * * |
16 | ***************************************************************************/ |
17 | #include <qstring.h> |
18 | #include <kdebug.h> |
19 | #include <klocale.h> |
20 | |
21 | #include "kimagemapeditor.h" |
22 | #include "kimecommands.h" |
23 | #include "drawzone.h" |
24 | |
25 | CutCommand::CutCommand(KImageMapEditor * document, const AreaSelection & a) |
26 | : QUndoCommand(i18n( "Cut %1" , a.typeString() )) |
27 | { |
28 | _document=document; |
29 | _cutAreaSelection=new AreaSelection(); |
30 | _cutAreaSelection->setAreaList( a.getAreaList() ); |
31 | _cutted=true; |
32 | } |
33 | |
34 | |
35 | CutCommand::~CutCommand() |
36 | { |
37 | if (_cutted) |
38 | { |
39 | AreaListIterator it(_cutAreaSelection->getAreaList()); |
40 | while (it.hasNext()) { |
41 | delete it.next(); |
42 | } |
43 | } |
44 | |
45 | delete _cutAreaSelection; |
46 | } |
47 | |
48 | void CutCommand::redo() |
49 | { |
50 | // The Area won't be really delete |
51 | // it only gets removed from the AreaList |
52 | _document->deleteArea(_cutAreaSelection ); |
53 | _document->updateActionAccess(); |
54 | _cutted=true; |
55 | } |
56 | |
57 | void CutCommand::undo() |
58 | { |
59 | if (_document) { |
60 | _document->addArea( _cutAreaSelection ); |
61 | _document->select( _cutAreaSelection ); |
62 | _document->slotAreaChanged( _cutAreaSelection ); |
63 | _cutted=false; |
64 | } |
65 | } |
66 | |
67 | DeleteCommand::DeleteCommand(KImageMapEditor * document, const AreaSelection & a) |
68 | : CutCommand(document,a) |
69 | { |
70 | setText(i18n( "Delete %1" , a.typeString() )); |
71 | } |
72 | |
73 | PasteCommand::PasteCommand(KImageMapEditor *document, const AreaSelection & a) |
74 | : QUndoCommand(i18n( "Paste %1" , a.typeString() )) |
75 | { |
76 | _document=document; |
77 | _pasteAreaSelection=new AreaSelection(); |
78 | _pasteAreaSelection->setAreaList( a.getAreaList() ); |
79 | _pasted=true; |
80 | _wasUndoed=false; |
81 | } |
82 | |
83 | PasteCommand::~PasteCommand () |
84 | { |
85 | if ( ! _pasted ) { |
86 | AreaListIterator it(_pasteAreaSelection->getAreaList()); |
87 | while (it.hasNext()) { |
88 | delete it.next(); |
89 | } |
90 | } |
91 | |
92 | delete _pasteAreaSelection; |
93 | } |
94 | |
95 | void PasteCommand::redo() |
96 | { |
97 | _document->deselectAll(); |
98 | _document->addArea( _pasteAreaSelection ); |
99 | _document->select( _pasteAreaSelection ); |
100 | _document->slotAreaChanged( _pasteAreaSelection ); |
101 | _pasted=true; |
102 | } |
103 | |
104 | void PasteCommand::undo() |
105 | { |
106 | _document->deleteArea(_pasteAreaSelection ); |
107 | _pasted=false; |
108 | _wasUndoed=true; |
109 | } |
110 | |
111 | |
112 | MoveCommand::MoveCommand (KImageMapEditor *document, AreaSelection * a, const QPoint & oldPoint) |
113 | : QUndoCommand(i18n( "Move %1" , a->typeString() )) |
114 | { |
115 | _document=document; |
116 | _areaSelection=new AreaSelection(); |
117 | _areaSelection->setAreaList( a->getAreaList() ); |
118 | _oldPoint.setX(oldPoint.x()); |
119 | _oldPoint.setY(oldPoint.y()); |
120 | |
121 | _newPoint.setX(a->rect().left()); |
122 | _newPoint.setY(a->rect().top()); |
123 | } |
124 | |
125 | MoveCommand::~MoveCommand () { |
126 | delete _areaSelection; |
127 | } |
128 | |
129 | void MoveCommand::redo() |
130 | { |
131 | // only for repainting reasons |
132 | Area* tempArea = _areaSelection->clone(); |
133 | |
134 | _areaSelection->moveTo( _newPoint.x(), _newPoint.y() ); |
135 | |
136 | if (!_areaSelection->allAreasWithin(_document->getDrawZone()->getImageRect())) |
137 | _areaSelection->moveTo( _oldPoint.x(), _oldPoint.y() ); |
138 | |
139 | _document->selected()->invalidate(); |
140 | |
141 | |
142 | _document->slotAreaChanged( tempArea ); |
143 | _document->slotAreaChanged( _areaSelection ); |
144 | |
145 | delete tempArea; |
146 | |
147 | } |
148 | |
149 | void MoveCommand::undo() |
150 | { |
151 | // only to erase the old Area |
152 | Area* tempArea = _areaSelection->clone(); |
153 | |
154 | _areaSelection->setMoving(true); |
155 | _areaSelection->moveTo( _oldPoint.x(), _oldPoint.y() ); |
156 | _areaSelection->setMoving(false); |
157 | |
158 | _document->selected()->invalidate(); |
159 | |
160 | _document->slotAreaChanged( tempArea ); |
161 | _document->slotAreaChanged( _areaSelection ); |
162 | |
163 | delete tempArea; |
164 | |
165 | } |
166 | |
167 | |
168 | ResizeCommand::ResizeCommand (KImageMapEditor *document, AreaSelection *a, Area *oldArea) |
169 | :QUndoCommand(i18n( "Resize %1" , a->typeString() )) |
170 | { |
171 | _areaSelection=new AreaSelection(); |
172 | _areaSelection->setAreaList( a->getAreaList() ); |
173 | |
174 | _newArea = a->clone(); |
175 | _oldArea = oldArea->clone(); |
176 | _document=document; |
177 | } |
178 | |
179 | ResizeCommand::~ResizeCommand () |
180 | { |
181 | delete _newArea; |
182 | delete _oldArea; |
183 | delete _areaSelection; |
184 | } |
185 | |
186 | void ResizeCommand::redo() |
187 | { |
188 | _areaSelection->setArea ( *_newArea); |
189 | _areaSelection->setMoving(false); |
190 | |
191 | _document->slotAreaChanged( _areaSelection ); |
192 | _document->slotAreaChanged( _oldArea ); |
193 | |
194 | |
195 | } |
196 | |
197 | void ResizeCommand::undo() |
198 | { |
199 | _areaSelection->setArea ( *_oldArea); |
200 | _areaSelection->setMoving(false); |
201 | |
202 | _document->slotAreaChanged( _areaSelection ); |
203 | _document->slotAreaChanged( _newArea ); |
204 | |
205 | } |
206 | |
207 | |
208 | |
209 | AddPointCommand::AddPointCommand (KImageMapEditor *document, AreaSelection *a, const QPoint & p) |
210 | :QUndoCommand(i18n( "Add point to %1" , a->typeString() )) |
211 | { |
212 | if (a->type()!=Area::Polygon) |
213 | { |
214 | kDebug() << "trying to add a point to a " << a->typeString(); |
215 | return; |
216 | } |
217 | |
218 | _areaSelection=new AreaSelection(); |
219 | _areaSelection->setAreaList( a->getAreaList() ); |
220 | |
221 | _point = p; |
222 | _document=document; |
223 | } |
224 | |
225 | AddPointCommand::~AddPointCommand () |
226 | { |
227 | delete _areaSelection; |
228 | } |
229 | |
230 | void AddPointCommand::redo() |
231 | { |
232 | _coordpos = _areaSelection->addCoord(_point); |
233 | _areaSelection->setMoving(false); |
234 | |
235 | _document->slotAreaChanged( _areaSelection ); |
236 | } |
237 | |
238 | void AddPointCommand::undo() |
239 | { |
240 | // QRect *selectionPoint = _areaSelection->onSelectionPoint(_point); |
241 | Area* repaintArea = _areaSelection->clone(); |
242 | |
243 | _areaSelection->removeCoord(_coordpos); |
244 | _areaSelection->setMoving(false); |
245 | |
246 | _document->slotAreaChanged( _areaSelection ); |
247 | _document->slotAreaChanged( repaintArea ); |
248 | |
249 | delete repaintArea; |
250 | } |
251 | |
252 | RemovePointCommand::RemovePointCommand(KImageMapEditor *document, |
253 | AreaSelection *a, Area *oldArea) |
254 | : QUndoCommand(i18n( "Remove point from %1" , a->typeString() )) |
255 | { |
256 | if (a->type()!=Area::Polygon) |
257 | { |
258 | kDebug() << "trying to remove a point to a " << a->typeString(); |
259 | return; |
260 | } |
261 | |
262 | _areaSelection=new AreaSelection(); |
263 | _areaSelection->setAreaList( a->getAreaList() ); |
264 | |
265 | _newArea = a->clone(); |
266 | _oldArea = oldArea->clone(); |
267 | _document=document; |
268 | } |
269 | |
270 | RemovePointCommand::~RemovePointCommand () |
271 | { |
272 | delete _newArea; |
273 | delete _oldArea; |
274 | delete _areaSelection; |
275 | } |
276 | |
277 | void RemovePointCommand::redo() |
278 | { |
279 | _areaSelection->setArea ( *_newArea); |
280 | _areaSelection->setMoving(false); |
281 | |
282 | _document->slotAreaChanged( _areaSelection ); |
283 | _document->slotAreaChanged( _oldArea ); |
284 | |
285 | |
286 | } |
287 | |
288 | void RemovePointCommand::undo() |
289 | { |
290 | _areaSelection->setArea ( *_oldArea); |
291 | _areaSelection->setMoving(false); |
292 | |
293 | _document->slotAreaChanged( _areaSelection ); |
294 | _document->slotAreaChanged( _newArea ); |
295 | |
296 | } |
297 | |
298 | |
299 | |
300 | CreateCommand::CreateCommand (KImageMapEditor *document, Area *area) |
301 | : QUndoCommand(i18n( "Create %1" , area->typeString() )) |
302 | { |
303 | _document=document; |
304 | _area=area; |
305 | _created=true; |
306 | _wasUndoed=false; |
307 | |
308 | } |
309 | |
310 | CreateCommand::~CreateCommand () |
311 | { |
312 | if ( ! _created) |
313 | delete _area; |
314 | } |
315 | |
316 | void CreateCommand::redo() |
317 | { |
318 | if (_document) { |
319 | |
320 | if ( _wasUndoed ) { |
321 | _document->addArea( _area ); |
322 | _document->deselectAll(); |
323 | _document->select( _area ); |
324 | _document->slotAreaChanged( _area ); |
325 | } |
326 | else |
327 | _document->addAreaAndEdit( _area ); |
328 | |
329 | _created=true; |
330 | } |
331 | |
332 | } |
333 | |
334 | void CreateCommand::undo() |
335 | { |
336 | if (_document) { |
337 | _document->deleteArea( _area ); |
338 | _created=false; |
339 | _wasUndoed=true; |
340 | } |
341 | |
342 | } |
343 | |