Subversion Repositories Scribus

Rev

Rev 19929 | Rev 22601 | 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) :
13322 cbradney 31
transactionCode(0),
5116 tsoots 32
actionName_(name),
33
actionDescription_(description),
34
actionPixmap_(pixmap),
13322 cbradney 35
undoObject_(0)
1111 tsoots 36
{
5116 tsoots 37
 
1111 tsoots 38
}
39
 
40
QString UndoState::getName()
41
{
5116 tsoots 42
        return actionName_;
1111 tsoots 43
}
44
 
1213 tsoots 45
void UndoState::setName(const QString &newName)
46
{
5116 tsoots 47
        actionName_ = newName;
1213 tsoots 48
}
49
 
1111 tsoots 50
QString UndoState::getDescription()
51
{
5116 tsoots 52
        return actionDescription_;
1111 tsoots 53
}
54
 
1213 tsoots 55
void UndoState::setDescription(const QString &newDescription)
56
{
5116 tsoots 57
        actionDescription_ = newDescription;
1213 tsoots 58
}
59
 
1111 tsoots 60
QPixmap* UndoState::getPixmap()
61
{
5116 tsoots 62
        return actionPixmap_;
1111 tsoots 63
}
64
 
1213 tsoots 65
void UndoState::setPixmap(QPixmap *pixmap)
66
{
5116 tsoots 67
        actionPixmap_ = pixmap;
1213 tsoots 68
}
69
 
5116 tsoots 70
void UndoState::undo()
71
{
72
        if (undoObject_) // if !undoObject_ there's an error, hmmm
73
                undoObject_->restore(this, true);
74
}
75
 
76
void UndoState::redo()
77
{
78
        if (undoObject_)
79
                undoObject_->restore(this, false);
80
}
81
 
82
void UndoState::setUndoObject(UndoObject *object)
83
{
11168 jghali 84
        undoObject_ = object->undoObjectPtr();
5116 tsoots 85
}
86
 
87
UndoObject* UndoState::undoObject()
88
{
89
        return undoObject_;
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
 
130
int SimpleState::getInt(const QString& key, int def)
131
{
132
        bool ok = false;
13461 jghali 133
        QVariant retVar = variant(key, QVariant(def));
134
        int ret = retVar.toInt(&ok);
1111 tsoots 135
        if (!ok)
136
                ret = def;
137
        return ret;
138
}
139
 
1238 tsoots 140
uint SimpleState::getUInt(const QString& key, uint def)
141
{
142
        bool ok = false;
13461 jghali 143
        QVariant retVar = variant(key, QVariant(def));
144
        uint ret = retVar.toUInt(&ok);
1238 tsoots 145
        if (!ok)
146
                ret = def;
147
        return ret;
148
}
149
 
1111 tsoots 150
double SimpleState::getDouble(const QString& key, double def)
151
{
152
        bool ok = false;
13461 jghali 153
        QVariant retVar = variant(key, QVariant(def));
154
        double ret = retVar.toDouble(&ok);
1111 tsoots 155
        if (!ok)
156
                ret = def;
157
        return ret;
158
}
159
 
1179 tsoots 160
bool SimpleState::getBool(const QString& key, bool def)
161
{
162
        bool ok = false;
13461 jghali 163
        QVariant retVar = variant(key, QVariant(def));
164
        int ret = retVar.toInt(&ok);
1179 tsoots 165
        if (!ok)
166
                ret = def;
167
        return ret;
168
}
169
 
20793 jghali 170
void SimpleState::set(const QString& key)
171
{
172
        m_values[key] = QVariant();
173
}
174
 
1111 tsoots 175
void SimpleState::set(const QString& key, const QString& value)
176
{
20793 jghali 177
        m_values[key] = QVariant(value);
1111 tsoots 178
}
179
 
180
void SimpleState::set(const QString& key, int value)
181
{
20793 jghali 182
        m_values[key] = QVariant(value);
1111 tsoots 183
}
184
 
1238 tsoots 185
void SimpleState::set(const QString& key, uint value)
186
{
20793 jghali 187
        m_values[key] = QVariant(value);
1238 tsoots 188
}
189
 
1111 tsoots 190
void SimpleState::set(const QString& key, double value)
191
{
20793 jghali 192
        m_values[key] = QVariant(value);
1111 tsoots 193
}
194
 
1179 tsoots 195
void SimpleState::set(const QString& key, bool value)
196
{
20793 jghali 197
        m_values[key] = QVariant(value);
1179 tsoots 198
}
1111 tsoots 199
 
1179 tsoots 200
 
1518 tsoots 201
SimpleState::~SimpleState()
1111 tsoots 202
{
203
 
204
}
19416 jghali 205
 
206
/*** TransactionState *****************************************************/
207
 
208
TransactionState::TransactionState() : UndoState("")
209
{
210
        size_ = 0;
211
}
212
 
19929 jghali 213
UndoState* TransactionState::at(int index) const
19416 jghali 214
{
215
        if (index >= 0 && static_cast<uint>(index) < sizet())
216
                return states_[index];
217
        else
218
                return 0;
219
}
220
 
19929 jghali 221
UndoState* TransactionState::last() const
222
{
223
        if (states_.size() > 0)
224
                return states_.at(size_ - 1);
225
        return 0;
226
}
227
 
19416 jghali 228
bool TransactionState::contains(int uid) const
229
{
230
        for (uint i = 0; i < states_.size(); ++i)
231
        {
232
                UndoObject* undoObject = states_[i]->undoObject();
233
                if (undoObject && undoObject->getUId() == static_cast<uint>(uid))
234
                        return true;
235
        }
236
        return false;
237
}
238
 
239
bool TransactionState::containsOnly(int uid) const
240
{
241
        for (uint i = 0; i < states_.size(); ++i)
242
        {
243
                UndoObject* undoObject = states_[i]->undoObject();
244
                if (undoObject && undoObject->getUId() != static_cast<uint>(uid))
245
                        return false;
246
        }
247
        return true;
248
}
249
 
250
void TransactionState::pushBack(UndoObject *target, UndoState *state)
251
{
252
        if (target && state)
253
        {
254
                state->setUndoObject(target);
255
                states_.push_back(state);
256
                ++size_;
257
        }
258
}
259
 
19929 jghali 260
uint TransactionState::sizet() const
19416 jghali 261
{
262
        return size_;
263
}
264
 
265
void TransactionState::useActionName()
266
{
267
        if (size_ > 0)
268
                setName(states_[size_ - 1]->getName());
269
}
270
 
271
UndoObject* TransactionState::replace(ulong uid, UndoObject *newUndoObject)
272
{
273
        UndoObject *tmp = 0;
274
        for (uint i = 0; i < states_.size(); ++i)
275
        {
276
                TransactionState *ts = dynamic_cast<TransactionState*>(states_[i]);
277
                if (ts) // are we having a transaction_inside a transaction
278
                        ts->replace(uid, newUndoObject);
279
                else if (states_[i]->undoObject() && states_[i]->undoObject()->getUId() == uid)
280
                {
281
                        tmp = states_[i]->undoObject();
282
                        states_[i]->setUndoObject(newUndoObject);
283
                }
284
        }
285
        return tmp;
286
}
287
 
288
void TransactionState::undo() // undo all attached states
289
{
290
        for (int i = sizet() - 1; i > -1; --i)
291
        {
292
                if ((sizet() - 1) == 0)
293
                        at(i)->transactionCode = 0;
294
                else
295
                {
296
                        if (i == static_cast<int>(sizet() - 1))
297
                                at(i)->transactionCode = 1;
298
                        else if (i == 0)
299
                                at(i)->transactionCode = 2;
300
                        else
301
                                at(i)->transactionCode = 3;
302
                }
303
                if (transactionCode != 0)
304
                        at(i)->transactionCode = transactionCode;
305
                at(i)->undo();
306
        }
307
}
308
 
309
void TransactionState::redo() // redo all attached states
310
{
311
        for (uint i = 0; i < sizet(); ++i)
312
        {
313
                if ((sizet() - 1) == 0)
314
                        at(i)->transactionCode = 0;
315
                else
316
                {
317
                        if (i == 0)
318
                                at(i)->transactionCode = 1;
319
                        else if (i == static_cast<uint>(sizet() - 1))
320
                                at(i)->transactionCode = 2;
321
                        else
322
                                at(i)->transactionCode = 3;
323
                }
324
                if (transactionCode != 0)
325
                        at(i)->transactionCode = transactionCode;
326
                at(i)->redo();
327
        }
328
}
329
 
330
TransactionState::~TransactionState()
331
{
332
        for (uint i = 0; i < states_.size(); ++i)
333
        {
334
                if (states_[i])
335
                {
336
                        delete states_[i];
337
                        states_[i] = 0;
338
                }
339
        }
340
}