aseprite/src/app/commands/cmd_load_palette.cpp
2019-01-07 17:03:38 -03:00

99 lines
2.2 KiB
C++

// Aseprite
// Copyright (C) 2001-2018 David Capello
//
// This program is distributed under the terms of
// the End-User License Agreement for Aseprite.
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "app/commands/cmd_set_palette.h"
#include "app/commands/command.h"
#include "app/commands/commands.h"
#include "app/context.h"
#include "app/file/palette_file.h"
#include "app/file_selector.h"
#include "app/i18n/strings.h"
#include "app/modules/palettes.h"
#include "base/fs.h"
#include "doc/palette.h"
#include "fmt/format.h"
#include "ui/alert.h"
namespace app {
using namespace ui;
class LoadPaletteCommand : public Command {
public:
LoadPaletteCommand();
protected:
void onLoadParams(const Params& params) override;
void onExecute(Context* context) override;
private:
std::string m_preset;
std::string m_filename;
};
LoadPaletteCommand::LoadPaletteCommand()
: Command(CommandId::LoadPalette(), CmdRecordableFlag)
{
}
void LoadPaletteCommand::onLoadParams(const Params& params)
{
m_preset = params.get("preset");
m_filename = params.get("filename");
}
void LoadPaletteCommand::onExecute(Context* context)
{
std::string filename;
if (!m_preset.empty()) {
filename = get_preset_palette_filename(m_preset, ".ase");
if (!base::is_file(filename))
filename = get_preset_palette_filename(m_preset, ".gpl");
}
else if (!m_filename.empty()) {
filename = m_filename;
}
#ifdef ENABLE_UI
else {
base::paths exts = get_readable_palette_extensions();
base::paths filenames;
if (app::show_file_selector(
"Load Palette", "", exts,
FileSelectorType::Open, filenames)) {
filename = filenames.front();
}
}
#endif // ENABLE_UI
// Do nothing
if (filename.empty())
return;
std::unique_ptr<doc::Palette> palette(load_palette(filename.c_str()));
if (!palette) {
if (context->isUIAvailable())
ui::Alert::show(fmt::format(Strings::alerts_error_loading_file(), filename));
return;
}
SetPaletteCommand* cmd = static_cast<SetPaletteCommand*>(
Commands::instance()->byId(CommandId::SetPalette()));
cmd->setPalette(palette.get());
context->executeCommand(cmd);
}
Command* CommandFactory::createLoadPaletteCommand()
{
return new LoadPaletteCommand;
}
} // namespace app