mirror of
https://github.com/amyinspace/MagicSetEditor2.git
synced 2026-06-10 13:06:59 -04:00
twanvl
fcc89b64d6
Added 'trim' and 'remove_tags' script functions; Simplified safety improvements of locale checker; Added 'is_targeted' function to magic game to replace the contains(..) calls git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@635 0fc631ac-6414-0410-93d0-97cfa31319b6
118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
//+----------------------------------------------------------------------------+
|
|
//| Description: Magic Set Editor - Program to make Magic (tm) cards |
|
|
//| Copyright: (C) 2001 - 2007 Twan van Laarhoven |
|
|
//| License: GNU General Public License 2 or later (see file COPYING) |
|
|
//+----------------------------------------------------------------------------+
|
|
|
|
// ----------------------------------------------------------------------------- : Includes
|
|
|
|
#include <util/action_stack.hpp>
|
|
#include <util/for_each.hpp>
|
|
#include <algorithm>
|
|
|
|
// ----------------------------------------------------------------------------- : Action stack
|
|
|
|
DECLARE_TYPEOF_COLLECTION(Action*);
|
|
DECLARE_TYPEOF_COLLECTION(ActionListener*);
|
|
|
|
ActionStack::ActionStack()
|
|
: save_point(nullptr)
|
|
{}
|
|
|
|
ActionStack::~ActionStack() {
|
|
// we own the actions, delete them
|
|
FOR_EACH(a, undo_actions) delete a;
|
|
FOR_EACH(a, redo_actions) delete a;
|
|
}
|
|
|
|
void ActionStack::add(Action* action, bool allow_merge) {
|
|
if (!action) return; // no action
|
|
action->perform(false); // TODO: delete action if perform throws
|
|
tellListeners(*action, false);
|
|
// clear redo list
|
|
if (!redo_actions.empty()) allow_merge = false; // don't merge after undo
|
|
FOR_EACH(a, redo_actions) delete a;
|
|
redo_actions.clear();
|
|
// try to merge?
|
|
if (allow_merge && !undo_actions.empty() &&
|
|
undo_actions.back() != save_point && // never merge with the save point
|
|
undo_actions.back()->merge(*action) // merged with top undo action
|
|
) {
|
|
delete action;
|
|
} else {
|
|
undo_actions.push_back(action);
|
|
}
|
|
}
|
|
|
|
void ActionStack::undo() {
|
|
assert(canUndo());
|
|
if (!canUndo()) return;
|
|
Action* action = undo_actions.back();
|
|
action->perform(true);
|
|
tellListeners(*action, true);
|
|
// move to redo stack
|
|
undo_actions.pop_back();
|
|
redo_actions.push_back(action);
|
|
}
|
|
void ActionStack::redo() {
|
|
assert(canRedo());
|
|
if (!canRedo()) return;
|
|
Action* action = redo_actions.back();
|
|
action->perform(false);
|
|
tellListeners(*action, false);
|
|
// move to undo stack
|
|
redo_actions.pop_back();
|
|
undo_actions.push_back(action);
|
|
}
|
|
|
|
bool ActionStack::canUndo() const {
|
|
return !undo_actions.empty();
|
|
}
|
|
bool ActionStack::canRedo() const {
|
|
return !redo_actions.empty();
|
|
}
|
|
|
|
String ActionStack::undoName() const {
|
|
if (canUndo()) {
|
|
return _(" ") + capitalize(undo_actions.back()->getName(true));
|
|
} else {
|
|
return wxEmptyString;
|
|
}
|
|
}
|
|
String ActionStack::redoName() const {
|
|
if (canRedo()) {
|
|
return _(" ") + capitalize(redo_actions.back()->getName(false));
|
|
} else {
|
|
return wxEmptyString;
|
|
}
|
|
}
|
|
|
|
bool ActionStack::atSavePoint() const {
|
|
return (undo_actions.empty() && save_point == nullptr)
|
|
|| (undo_actions.back() == save_point);
|
|
}
|
|
void ActionStack::setSavePoint() {
|
|
if (undo_actions.empty()) {
|
|
save_point = nullptr;
|
|
} else {
|
|
save_point = undo_actions.back();
|
|
}
|
|
}
|
|
|
|
void ActionStack::addListener(ActionListener* listener) {
|
|
listeners.push_back(listener);
|
|
}
|
|
void ActionStack::removeListener(ActionListener* listener) {
|
|
listeners.erase(
|
|
std::remove(
|
|
listeners.begin(),
|
|
listeners.end(),
|
|
listener
|
|
),
|
|
listeners.end()
|
|
);
|
|
}
|
|
void ActionStack::tellListeners(const Action& action, bool undone) {
|
|
FOR_EACH(l, listeners) l->onAction(action, undone);
|
|
}
|