Rev 22694 | Rev 23017 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
4430 | cbradney | 1 | /* |
2 | For general Scribus (>=1.3.2) copyright and licensing information please refer |
||
3 | to the COPYING file provided with the program. Following this notice may exist |
||
4 | a copyright and/or license notice that predates the release of Scribus 1.3.2 |
||
5 | for which a new license (GPL+exception) is in place. |
||
6 | */ |
||
1111 | tsoots | 7 | /*************************************************************************** |
8 | * Copyright (C) 2005 by Riku Leino * |
||
5116 | tsoots | 9 | * riku@scribus.info * |
1111 | tsoots | 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 | * This program is distributed in the hope that it will be useful, * |
||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
||
19 | * GNU General Public License for more details. * |
||
20 | * * |
||
21 | * You should have received a copy of the GNU General Public License * |
||
22 | * along with this program; if not, write to the * |
||
23 | * Free Software Foundation, Inc., * |
||
18122 | mrdocs | 24 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
1111 | tsoots | 25 | ***************************************************************************/ |
26 | |||
27 | #include "undostate.h" |
||
5116 | tsoots | 28 | #include "undoobject.h" |
1111 | tsoots | 29 | |
5116 | tsoots | 30 | UndoState::UndoState(const QString& name, const QString& description, QPixmap* pixmap) : |
22601 | craig | 31 | transactionCode(0), |
22694 | jghali | 32 | m_actionName(name), |
33 | m_actionDescription(description), |
||
34 | m_actionPixmap(pixmap), |
||
35 | m_undoObject(nullptr) |
||
1111 | tsoots | 36 | { |
5116 | tsoots | 37 | |
1111 | tsoots | 38 | } |
39 | |||
22694 | jghali | 40 | const QString& UndoState::getName() const |
1111 | tsoots | 41 | { |
22694 | jghali | 42 | return m_actionName; |
1111 | tsoots | 43 | } |
44 | |||
1213 | tsoots | 45 | void UndoState::setName(const QString &newName) |
46 | { |
||
22694 | jghali | 47 | m_actionName = newName; |
1213 | tsoots | 48 | } |
49 | |||
22694 | jghali | 50 | const QString& UndoState::getDescription() const |
1111 | tsoots | 51 | { |
22694 | jghali | 52 | return m_actionDescription; |
1111 | tsoots | 53 | } |
54 | |||
1213 | tsoots | 55 | void UndoState::setDescription(const QString &newDescription) |
56 | { |
||
22694 | jghali | 57 | m_actionDescription = newDescription; |
1213 | tsoots | 58 | } |
59 | |||
1111 | tsoots | 60 | QPixmap* UndoState::getPixmap() |
61 | { |
||
22694 | jghali | 62 | return m_actionPixmap; |
1111 | tsoots | 63 | } |
64 | |||
1213 | tsoots | 65 | void UndoState::setPixmap(QPixmap *pixmap) |
66 | { |
||
22694 | jghali | 67 | m_actionPixmap = pixmap; |
1213 | tsoots | 68 | } |
69 | |||
5116 | tsoots | 70 | void UndoState::undo() |
71 | { |
||
22694 | jghali | 72 | if (m_undoObject) // if !m_undoObject there's an error, hmmm |
73 | m_undoObject->restore(this, true); |
||
5116 | tsoots | 74 | } |
75 | |||
76 | void UndoState::redo() |
||
77 | { |
||
22694 | jghali | 78 | if (m_undoObject) |
79 | m_undoObject->restore(this, false); |
||
5116 | tsoots | 80 | } |
81 | |||
82 | void UndoState::setUndoObject(UndoObject *object) |
||
83 | { |
||
22694 | jghali | 84 | m_undoObject = object->undoObjectPtr(); |
5116 | tsoots | 85 | } |
86 | |||
87 | UndoObject* UndoState::undoObject() |
||
88 | { |
||
22694 | jghali | 89 | return m_undoObject; |
5116 | tsoots | 90 | } |
91 | |||
1111 | tsoots | 92 | UndoState::~UndoState() |
93 | { |
||
1518 | tsoots | 94 | |
1111 | tsoots | 95 | } |
96 | |||
97 | /*** SimpleState **************************************************************/ |
||
98 | |||
99 | SimpleState::SimpleState(const QString& name, const QString& description, QPixmap* pixmap) |
||
100 | : UndoState(name, description, pixmap) |
||
101 | { |
||
102 | |||
103 | } |
||
104 | |||
105 | bool SimpleState::contains(const QString& key) |
||
106 | { |
||
20793 | jghali | 107 | return m_values.contains(key); |
1111 | tsoots | 108 | } |
109 | |||
13461 | jghali | 110 | QVariant SimpleState::variant(const QString& key, const QVariant& def) |
111 | { |
||
20793 | jghali | 112 | QMap<QString, QVariant>::const_iterator it = m_values.find(key); |
113 | if (it != m_values.end()) |
||
13461 | jghali | 114 | return it.value(); |
115 | |||
20793 | jghali | 116 | m_values[key] = def; |
13461 | jghali | 117 | return def; |
118 | } |
||
119 | |||
1111 | tsoots | 120 | QString SimpleState::get(const QString& key, const QString& def) |
121 | { |
||
20793 | jghali | 122 | QMap<QString, QVariant>::const_iterator it = m_values.find(key); |
123 | if (it != m_values.end()) |
||
13461 | jghali | 124 | return it.value().toString(); |
1111 | tsoots | 125 | |
20793 | jghali | 126 | m_values[key] = def; |
13461 | jghali | 127 | return def; |
1111 | tsoots | 128 | } |
129 | |||
22890 | jghali | 130 | bool SimpleState::getBool(const QString& key, bool def) |
131 | { |
||
132 | bool ok = false; |
||
133 | QVariant retVar = variant(key, QVariant(def)); |
||
134 | int ret = retVar.toInt(&ok); |
||
135 | if (!ok) |
||
136 | ret = def; |
||
137 | return ret; |
||
138 | } |
||
139 | |||
1111 | tsoots | 140 | int SimpleState::getInt(const QString& key, int def) |
141 | { |
||
142 | bool ok = false; |
||
13461 | jghali | 143 | QVariant retVar = variant(key, QVariant(def)); |
144 | int ret = retVar.toInt(&ok); |
||
1111 | tsoots | 145 | if (!ok) |
146 | ret = def; |
||
147 | return ret; |
||
148 | } |
||
149 | |||
1238 | tsoots | 150 | uint SimpleState::getUInt(const QString& key, uint def) |
151 | { |
||
152 | bool ok = false; |
||
13461 | jghali | 153 | QVariant retVar = variant(key, QVariant(def)); |
154 | uint ret = retVar.toUInt(&ok); |
||
1238 | tsoots | 155 | if (!ok) |
156 | ret = def; |
||
157 | return ret; |
||
158 | } |
||
159 | |||
1111 | tsoots | 160 | double SimpleState::getDouble(const QString& key, double def) |
161 | { |
||
162 | bool ok = false; |
||
13461 | jghali | 163 | QVariant retVar = variant(key, QVariant(def)); |
164 | double ret = retVar.toDouble(&ok); |
||
1111 | tsoots | 165 | if (!ok) |
166 | ret = def; |
||
167 | return ret; |
||
168 | } |
||
169 | |||
22890 | jghali | 170 | void* SimpleState::getVoidPtr(const QString& key, void* def) |
1179 | tsoots | 171 | { |
22890 | jghali | 172 | void* ret = nullptr; |
173 | QVariant retVar = variant(key, QVariant::fromValue(def)); |
||
174 | if (!retVar.canConvert<void*>()) |
||
175 | ret = retVar.value<void*>(); |
||
1179 | tsoots | 176 | return ret; |
177 | } |
||
178 | |||
22890 | jghali | 179 | |
20793 | jghali | 180 | void SimpleState::set(const QString& key) |
181 | { |
||
182 | m_values[key] = QVariant(); |
||
183 | } |
||
184 | |||
1111 | tsoots | 185 | void SimpleState::set(const QString& key, const QString& value) |
186 | { |
||
20793 | jghali | 187 | m_values[key] = QVariant(value); |
1111 | tsoots | 188 | } |
189 | |||
22890 | jghali | 190 | void SimpleState::set(const QString& key, bool value) |
191 | { |
||
192 | m_values[key] = QVariant(value); |
||
193 | } |
||
194 | |||
1111 | tsoots | 195 | void SimpleState::set(const QString& key, int value) |
196 | { |
||
20793 | jghali | 197 | m_values[key] = QVariant(value); |
1111 | tsoots | 198 | } |
199 | |||
1238 | tsoots | 200 | void SimpleState::set(const QString& key, uint value) |
201 | { |
||
20793 | jghali | 202 | m_values[key] = QVariant(value); |
1238 | tsoots | 203 | } |
204 | |||
1111 | tsoots | 205 | void SimpleState::set(const QString& key, double value) |
206 | { |
||
20793 | jghali | 207 | m_values[key] = QVariant(value); |
1111 | tsoots | 208 | } |
209 | |||
22890 | jghali | 210 | void SimpleState::set(const QString& key, void* ptr) |
1179 | tsoots | 211 | { |
22890 | jghali | 212 | m_values[key] = QVariant::fromValue<void*>(ptr); |
1179 | tsoots | 213 | } |
1111 | tsoots | 214 | |
1518 | tsoots | 215 | SimpleState::~SimpleState() |
1111 | tsoots | 216 | { |
217 | |||
218 | } |
||
19416 | jghali | 219 | |
220 | /*** TransactionState *****************************************************/ |
||
221 | |||
222 | TransactionState::TransactionState() : UndoState("") |
||
223 | { |
||
22694 | jghali | 224 | m_size = 0; |
19416 | jghali | 225 | } |
226 | |||
19929 | jghali | 227 | UndoState* TransactionState::at(int index) const |
19416 | jghali | 228 | { |
229 | if (index >= 0 && static_cast<uint>(index) < sizet()) |
||
22694 | jghali | 230 | return m_states[index]; |
22601 | craig | 231 | return nullptr; |
19416 | jghali | 232 | } |
233 | |||
19929 | jghali | 234 | UndoState* TransactionState::last() const |
235 | { |
||
22694 | jghali | 236 | if (!m_states.empty()) |
237 | return m_states.at(m_size - 1); |
||
22601 | craig | 238 | return nullptr; |
19929 | jghali | 239 | } |
240 | |||
19416 | jghali | 241 | bool TransactionState::contains(int uid) const |
242 | { |
||
22694 | jghali | 243 | for (size_t i = 0; i < m_states.size(); ++i) |
19416 | jghali | 244 | { |
22694 | jghali | 245 | UndoObject* undoObject = m_states[i]->undoObject(); |
19416 | jghali | 246 | if (undoObject && undoObject->getUId() == static_cast<uint>(uid)) |
247 | return true; |
||
248 | } |
||
249 | return false; |
||
250 | } |
||
251 | |||
252 | bool TransactionState::containsOnly(int uid) const |
||
253 | { |
||
22694 | jghali | 254 | for (size_t i = 0; i < m_states.size(); ++i) |
19416 | jghali | 255 | { |
22694 | jghali | 256 | UndoObject* undoObject = m_states[i]->undoObject(); |
19416 | jghali | 257 | if (undoObject && undoObject->getUId() != static_cast<uint>(uid)) |
258 | return false; |
||
259 | } |
||
260 | return true; |
||
261 | } |
||
262 | |||
263 | void TransactionState::pushBack(UndoObject *target, UndoState *state) |
||
264 | { |
||
265 | if (target && state) |
||
266 | { |
||
267 | state->setUndoObject(target); |
||
22694 | jghali | 268 | m_states.push_back(state); |
269 | ++m_size; |
||
19416 | jghali | 270 | } |
271 | } |
||
272 | |||
19929 | jghali | 273 | uint TransactionState::sizet() const |
19416 | jghali | 274 | { |
22694 | jghali | 275 | return m_size; |
19416 | jghali | 276 | } |
277 | |||
278 | void TransactionState::useActionName() |
||
279 | { |
||
22694 | jghali | 280 | if (m_size > 0) |
281 | setName(m_states[m_size - 1]->getName()); |
||
19416 | jghali | 282 | } |
283 | |||
284 | UndoObject* TransactionState::replace(ulong uid, UndoObject *newUndoObject) |
||
285 | { |
||
22601 | craig | 286 | UndoObject *tmp = nullptr; |
22694 | jghali | 287 | for (size_t i = 0; i < m_states.size(); ++i) |
19416 | jghali | 288 | { |
22694 | jghali | 289 | TransactionState *ts = dynamic_cast<TransactionState*>(m_states[i]); |
19416 | jghali | 290 | if (ts) // are we having a transaction_inside a transaction |
291 | ts->replace(uid, newUndoObject); |
||
22694 | jghali | 292 | else if (m_states[i]->undoObject() && m_states[i]->undoObject()->getUId() == uid) |
19416 | jghali | 293 | { |
22694 | jghali | 294 | tmp = m_states[i]->undoObject(); |
295 | m_states[i]->setUndoObject(newUndoObject); |
||
19416 | jghali | 296 | } |
297 | } |
||
298 | return tmp; |
||
299 | } |
||
300 | |||
301 | void TransactionState::undo() // undo all attached states |
||
302 | { |
||
303 | for (int i = sizet() - 1; i > -1; --i) |
||
304 | { |
||
305 | if ((sizet() - 1) == 0) |
||
306 | at(i)->transactionCode = 0; |
||
307 | else |
||
308 | { |
||
309 | if (i == static_cast<int>(sizet() - 1)) |
||
310 | at(i)->transactionCode = 1; |
||
311 | else if (i == 0) |
||
312 | at(i)->transactionCode = 2; |
||
313 | else |
||
314 | at(i)->transactionCode = 3; |
||
315 | } |
||
316 | if (transactionCode != 0) |
||
317 | at(i)->transactionCode = transactionCode; |
||
318 | at(i)->undo(); |
||
319 | } |
||
320 | } |
||
321 | |||
322 | void TransactionState::redo() // redo all attached states |
||
323 | { |
||
324 | for (uint i = 0; i < sizet(); ++i) |
||
325 | { |
||
326 | if ((sizet() - 1) == 0) |
||
327 | at(i)->transactionCode = 0; |
||
328 | else |
||
329 | { |
||
330 | if (i == 0) |
||
331 | at(i)->transactionCode = 1; |
||
332 | else if (i == static_cast<uint>(sizet() - 1)) |
||
333 | at(i)->transactionCode = 2; |
||
334 | else |
||
335 | at(i)->transactionCode = 3; |
||
336 | } |
||
337 | if (transactionCode != 0) |
||
338 | at(i)->transactionCode = transactionCode; |
||
339 | at(i)->redo(); |
||
340 | } |
||
341 | } |
||
342 | |||
343 | TransactionState::~TransactionState() |
||
344 | { |
||
22694 | jghali | 345 | for (size_t i = 0; i < m_states.size(); ++i) |
19416 | jghali | 346 | { |
22694 | jghali | 347 | if (m_states[i]) |
19416 | jghali | 348 | { |
22694 | jghali | 349 | delete m_states[i]; |
350 | m_states[i] = nullptr; |
||
19416 | jghali | 351 | } |
352 | } |
||
353 | } |