comparison: src/EditHistory.cc
src/EditHistory.cc
- changeset 706
- d79083b9f74d
- parent 705
- 09150d027e8c
- parent 655
- b376645315ab
- child 707
- c89b58ba266b
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| 705:09150d027e8c | 706:d79083b9f74d |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013, 2014 Santeri Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #include "EditHistory.h" | |
| 20 #include "LDObject.h" | |
| 21 #include "Document.h" | |
| 22 #include "Misc.h" | |
| 23 #include "MainWindow.h" | |
| 24 #include "GLRenderer.h" | |
| 25 | |
| 26 // ============================================================================= | |
| 27 // | |
| 28 History::History() : | |
| 29 m_position (-1) {} | |
| 30 | |
| 31 // ============================================================================= | |
| 32 // | |
| 33 void History::undo() | |
| 34 { | |
| 35 if (m_changesets.isEmpty() || position() == -1) | |
| 36 return; | |
| 37 | |
| 38 // Don't take the changes done here as actual edits to the document | |
| 39 setIgnoring (true); | |
| 40 | |
| 41 const Changeset& set = getChangeset (position()); | |
| 42 | |
| 43 // Iterate the list in reverse and undo all actions | |
| 44 for (int i = set.size() - 1; i >= 0; --i) | |
| 45 { | |
| 46 AbstractHistoryEntry* change = set[i]; | |
| 47 change->undo(); | |
| 48 } | |
| 49 | |
| 50 m_position--; | |
| 51 g_win->refresh(); | |
| 52 g_win->updateActions(); | |
| 53 dprint ("Position is now %1", position()); | |
| 54 setIgnoring (false); | |
| 55 } | |
| 56 | |
| 57 // ============================================================================= | |
| 58 // | |
| 59 void History::redo() | |
| 60 { | |
| 61 if (position() == m_changesets.size()) | |
| 62 return; | |
| 63 | |
| 64 setIgnoring (true); | |
| 65 const Changeset& set = getChangeset (position() + 1); | |
| 66 | |
| 67 // Redo things - in the order as they were done in the first place | |
| 68 for (const AbstractHistoryEntry* change : set) | |
| 69 change->redo(); | |
| 70 | |
| 71 setPosition (position() + 1); | |
| 72 g_win->refresh(); | |
| 73 g_win->updateActions(); | |
| 74 dprint ("Position is now %1", position()); | |
| 75 setIgnoring (false); | |
| 76 } | |
| 77 | |
| 78 // ============================================================================= | |
| 79 // | |
| 80 void History::clear() | |
| 81 { | |
| 82 for (Changeset set : m_changesets) | |
| 83 for (AbstractHistoryEntry* change : set) | |
| 84 delete change; | |
| 85 | |
| 86 m_changesets.clear(); | |
| 87 dprint ("History: cleared"); | |
| 88 } | |
| 89 | |
| 90 // ============================================================================= | |
| 91 // | |
| 92 void History::addStep() | |
| 93 { | |
| 94 if (m_currentChangeset.isEmpty()) | |
| 95 return; | |
| 96 | |
| 97 while (position() < getSize() - 1) | |
| 98 { | |
| 99 Changeset last = m_changesets.last(); | |
| 100 | |
| 101 for (AbstractHistoryEntry* entry : last) | |
| 102 delete entry; | |
| 103 | |
| 104 m_changesets.removeLast(); | |
| 105 } | |
| 106 | |
| 107 dprint ("History: step added (%1 changes)", m_currentChangeset.size()); | |
| 108 m_changesets << m_currentChangeset; | |
| 109 m_currentChangeset.clear(); | |
| 110 setPosition (position() + 1); | |
| 111 g_win->updateActions(); | |
| 112 } | |
| 113 | |
| 114 // ============================================================================= | |
| 115 // | |
| 116 void History::add (AbstractHistoryEntry* entry) | |
| 117 { | |
| 118 if (isIgnoring()) | |
| 119 { | |
| 120 delete entry; | |
| 121 return; | |
| 122 } | |
| 123 | |
| 124 entry->setParent (this); | |
| 125 m_currentChangeset << entry; | |
| 126 dprint ("History: added entry of type %1", entry->getTypeName()); | |
| 127 } | |
| 128 | |
| 129 // ============================================================================= | |
| 130 // | |
| 131 void AddHistory::undo() const | |
| 132 { | |
| 133 LDObject* obj = parent()->document()->getObject (index()); | |
| 134 obj->destroy(); | |
| 135 } | |
| 136 | |
| 137 // ============================================================================= | |
| 138 // | |
| 139 void AddHistory::redo() const | |
| 140 { | |
| 141 LDObject* obj = parseLine (code()); | |
| 142 parent()->document()->insertObj (index(), obj); | |
| 143 g_win->R()->compileObject (obj); | |
| 144 } | |
| 145 | |
| 146 // ============================================================================= | |
| 147 // | |
| 148 DelHistory::DelHistory (int idx, LDObject* obj) : | |
| 149 m_index (idx), | |
| 150 m_code (obj->asText()) {} | |
| 151 | |
| 152 // ============================================================================= | |
| 153 // heh | |
| 154 // | |
| 155 void DelHistory::undo() const | |
| 156 { | |
| 157 LDObject* obj = parseLine (code()); | |
| 158 parent()->document()->insertObj (index(), obj); | |
| 159 g_win->R()->compileObject (obj); | |
| 160 } | |
| 161 | |
| 162 // ============================================================================= | |
| 163 // | |
| 164 void DelHistory::redo() const | |
| 165 { | |
| 166 LDObject* obj = parent()->document()->getObject (index()); | |
| 167 obj->destroy(); | |
| 168 } | |
| 169 | |
| 170 // ============================================================================= | |
| 171 // | |
| 172 void EditHistory::undo() const | |
| 173 { | |
| 174 LDObject* obj = getCurrentDocument()->getObject (index()); | |
| 175 LDObject* newobj = parseLine (oldCode()); | |
| 176 obj->replace (newobj); | |
| 177 g_win->R()->compileObject (newobj); | |
| 178 } | |
| 179 | |
| 180 // ============================================================================= | |
| 181 // | |
| 182 void EditHistory::redo() const | |
| 183 { | |
| 184 LDObject* obj = getCurrentDocument()->getObject (index()); | |
| 185 LDObject* newobj = parseLine (newCode()); | |
| 186 obj->replace (newobj); | |
| 187 g_win->R()->compileObject (newobj); | |
| 188 } | |
| 189 | |
| 190 // ============================================================================= | |
| 191 // | |
| 192 void SwapHistory::undo() const | |
| 193 { | |
| 194 LDObject::fromID (a)->swap (LDObject::fromID (b)); | |
| 195 } | |
| 196 | |
| 197 // ============================================================================= | |
| 198 // | |
| 199 void SwapHistory::redo() const | |
| 200 { | |
| 201 undo(); | |
| 202 } |
