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#include "Action.hpp"
Action::Action(Action::Type type, std::function<void(Config & config, Action & action)> apply, std::function<void(Config & config, Action & action)> undo, std::function<bool(Config & config, Action & action)> appliable)
{
this->type = type;
this->apply = apply;
this->undo = undo;
this->appliable = appliable;
}
Action Action::addLinesIfNeeded(int nbLines)
{
auto apply = [nbLines](Config & config, Action &)
{
config.addLines(1);
};
auto undo = [](Config &, Action &)
{
};
auto appliable = [](Config &, Action &)
{
return true;
};
return {Type::AddLines, apply, undo, appliable};
}
Action Action::moveWordIndex(int movement)
{
auto apply = [movement](Config & config, Action &)
{
config.moveWordIndex(movement);
};
auto undo = [movement](Config & config, Action &)
{
config.moveWordIndex(movement);
};
auto appliable = [movement](Config & config, Action &)
{
bool possible = config.moveWordIndex(movement);
if (possible)
moveWordIndex(-movement);
return possible;
};
return {Type::MoveWord, apply, undo, appliable};
}
Action Action::moveCharacterIndex(int movement)
{
auto apply = [movement](Config & config, Action &)
{
config.moveCharacterIndex(movement);
};
auto undo = [movement](Config & config, Action &)
{
config.moveCharacterIndex(movement);
};
auto appliable = [movement](Config & config, Action &)
{
bool possible = config.moveCharacterIndex(movement);
if (possible)
moveCharacterIndex(-movement);
return possible;
};
return {Type::MoveChar, apply, undo, appliable};
}