comparison: src/editHistory.cc
src/editHistory.cc
- branch
- projects
- changeset 935
- 8d98ee0dc917
- parent 930
- ab77deb851fa
- parent 934
- be8128aff739
- child 936
- aee883858c90
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| 930:ab77deb851fa | 935:8d98ee0dc917 |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013 - 2015 Teemu 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 "ldDocument.h" | |
| 22 #include "miscallenous.h" | |
| 23 #include "mainWindow.h" | |
| 24 #include "glRenderer.h" | |
| 25 | |
| 26 // ============================================================================= | |
| 27 // | |
| 28 History::History() : | |
| 29 m_position (-1), | |
| 30 m_isIgnoring (false) {} | |
| 31 | |
| 32 // ============================================================================= | |
| 33 // | |
| 34 void History::undo() | |
| 35 { | |
| 36 if (m_changesets.isEmpty() or position() == -1) | |
| 37 return; | |
| 38 | |
| 39 // Don't take the changes done here as actual edits to the document | |
| 40 setIgnoring (true); | |
| 41 | |
| 42 const Changeset& set = getChangeset (position()); | |
| 43 | |
| 44 // Iterate the list in reverse and undo all actions | |
| 45 for (int i = set.size() - 1; i >= 0; --i) | |
| 46 { | |
| 47 AbstractHistoryEntry* change = set[i]; | |
| 48 change->undo(); | |
| 49 } | |
| 50 | |
| 51 m_position--; | |
| 52 g_win->refresh(); | |
| 53 g_win->updateActions(); | |
| 54 dprint ("Position is now %1", position()); | |
| 55 setIgnoring (false); | |
| 56 } | |
| 57 | |
| 58 // ============================================================================= | |
| 59 // | |
| 60 void History::redo() | |
| 61 { | |
| 62 if (position() == m_changesets.size()) | |
| 63 return; | |
| 64 | |
| 65 setIgnoring (true); | |
| 66 const Changeset& set = getChangeset (position() + 1); | |
| 67 | |
| 68 // Redo things - in the order as they were done in the first place | |
| 69 for (const AbstractHistoryEntry* change : set) | |
| 70 change->redo(); | |
| 71 | |
| 72 setPosition (position() + 1); | |
| 73 g_win->refresh(); | |
| 74 g_win->updateActions(); | |
| 75 dprint ("Position is now %1", position()); | |
| 76 setIgnoring (false); | |
| 77 } | |
| 78 | |
| 79 // ============================================================================= | |
| 80 // | |
| 81 void History::clear() | |
| 82 { | |
| 83 for (Changeset set : m_changesets) | |
| 84 for (AbstractHistoryEntry* change : set) | |
| 85 delete change; | |
| 86 | |
| 87 m_changesets.clear(); | |
| 88 dprint ("History: cleared"); | |
| 89 } | |
| 90 | |
| 91 // ============================================================================= | |
| 92 // | |
| 93 void History::addStep() | |
| 94 { | |
| 95 if (m_currentChangeset.isEmpty()) | |
| 96 return; | |
| 97 | |
| 98 while (position() < getSize() - 1) | |
| 99 { | |
| 100 Changeset last = m_changesets.last(); | |
| 101 | |
| 102 for (AbstractHistoryEntry* entry : last) | |
| 103 delete entry; | |
| 104 | |
| 105 m_changesets.removeLast(); | |
| 106 } | |
| 107 | |
| 108 // dprint ("History: step added (%1 changes)", m_currentChangeset.size()); | |
| 109 m_changesets << m_currentChangeset; | |
| 110 m_currentChangeset.clear(); | |
| 111 setPosition (position() + 1); | |
| 112 g_win->updateActions(); | |
| 113 } | |
| 114 | |
| 115 // ============================================================================= | |
| 116 // | |
| 117 void History::add (AbstractHistoryEntry* entry) | |
| 118 { | |
| 119 if (isIgnoring()) | |
| 120 { | |
| 121 delete entry; | |
| 122 return; | |
| 123 } | |
| 124 | |
| 125 entry->setParent (this); | |
| 126 m_currentChangeset << entry; | |
| 127 // dprint ("History: added entry of type %1", entry->getTypeName()); | |
| 128 } | |
| 129 | |
| 130 // ============================================================================= | |
| 131 // | |
| 132 void AddHistory::undo() const | |
| 133 { | |
| 134 LDObjectPtr obj = parent()->document().toStrongRef()->getObject (index()); | |
| 135 obj->destroy(); | |
| 136 } | |
| 137 | |
| 138 // ============================================================================= | |
| 139 // | |
| 140 void AddHistory::redo() const | |
| 141 { | |
| 142 LDObjectPtr obj = ParseLine (code()); | |
| 143 parent()->document().toStrongRef()->insertObj (index(), obj); | |
| 144 g_win->R()->compileObject (obj); | |
| 145 } | |
| 146 | |
| 147 // ============================================================================= | |
| 148 // | |
| 149 DelHistory::DelHistory (int idx, LDObjectPtr obj) : | |
| 150 m_index (idx), | |
| 151 m_code (obj->asText()) {} | |
| 152 | |
| 153 // ============================================================================= | |
| 154 // heh | |
| 155 // | |
| 156 void DelHistory::undo() const | |
| 157 { | |
| 158 LDObjectPtr obj = ParseLine (code()); | |
| 159 parent()->document().toStrongRef()->insertObj (index(), obj); | |
| 160 g_win->R()->compileObject (obj); | |
| 161 } | |
| 162 | |
| 163 // ============================================================================= | |
| 164 // | |
| 165 void DelHistory::redo() const | |
| 166 { | |
| 167 LDObjectPtr obj = parent()->document().toStrongRef()->getObject (index()); | |
| 168 obj->destroy(); | |
| 169 } | |
| 170 | |
| 171 // ============================================================================= | |
| 172 // | |
| 173 void EditHistory::undo() const | |
| 174 { | |
| 175 LDObjectPtr obj = CurrentDocument()->getObject (index()); | |
| 176 LDObjectPtr newobj = ParseLine (oldCode()); | |
| 177 obj->replace (newobj); | |
| 178 g_win->R()->compileObject (newobj); | |
| 179 } | |
| 180 | |
| 181 // ============================================================================= | |
| 182 // | |
| 183 void EditHistory::redo() const | |
| 184 { | |
| 185 LDObjectPtr obj = CurrentDocument()->getObject (index()); | |
| 186 LDObjectPtr newobj = ParseLine (newCode()); | |
| 187 obj->replace (newobj); | |
| 188 g_win->R()->compileObject (newobj); | |
| 189 } | |
| 190 | |
| 191 // ============================================================================= | |
| 192 // | |
| 193 void SwapHistory::undo() const | |
| 194 { | |
| 195 LDObject::fromID (a)->swap (LDObject::fromID (b)); | |
| 196 } | |
| 197 | |
| 198 // ============================================================================= | |
| 199 // | |
| 200 void SwapHistory::redo() const | |
| 201 { | |
| 202 undo(); | |
| 203 } |
