1// Aseprite
2// Copyright (C) 2001-2018 David Capello
3//
4// This program is distributed under the terms of
5// the End-User License Agreement for Aseprite.
6
7#ifdef HAVE_CONFIG_H
8#include "config.h"
9#endif
10
11#include "app/commands/cmd_set_palette.h"
12#include "app/commands/command.h"
13#include "app/commands/commands.h"
14#include "app/context.h"
15#include "app/file/palette_file.h"
16#include "app/file_selector.h"
17#include "app/i18n/strings.h"
18#include "app/modules/palettes.h"
19#include "base/fs.h"
20#include "doc/palette.h"
21#include "fmt/format.h"
22#include "ui/alert.h"
23
24namespace app {
25
26using namespace ui;
27
28class LoadPaletteCommand : public Command {
29public:
30 LoadPaletteCommand();
31
32protected:
33 void onLoadParams(const Params& params) override;
34 void onExecute(Context* context) override;
35
36private:
37 std::string m_preset;
38 std::string m_filename;
39};
40
41LoadPaletteCommand::LoadPaletteCommand()
42 : Command(CommandId::LoadPalette(), CmdRecordableFlag)
43{
44}
45
46void LoadPaletteCommand::onLoadParams(const Params& params)
47{
48 m_preset = params.get("preset");
49 m_filename = params.get("filename");
50}
51
52void LoadPaletteCommand::onExecute(Context* context)
53{
54 std::string filename;
55
56 if (!m_preset.empty()) {
57 filename = get_preset_palette_filename(m_preset, ".ase");
58 if (!base::is_file(filename))
59 filename = get_preset_palette_filename(m_preset, ".gpl");
60 }
61 else if (!m_filename.empty()) {
62 filename = m_filename;
63 }
64#ifdef ENABLE_UI
65 else {
66 base::paths exts = get_readable_palette_extensions();
67 base::paths filenames;
68 if (app::show_file_selector(
69 Strings::load_palette_title(), "", exts,
70 FileSelectorType::Open, filenames)) {
71 filename = filenames.front();
72 }
73 }
74#endif // ENABLE_UI
75
76 // Do nothing
77 if (filename.empty())
78 return;
79
80 std::unique_ptr<doc::Palette> palette(load_palette(filename.c_str()));
81 if (!palette) {
82 if (context->isUIAvailable())
83 ui::Alert::show(fmt::format(Strings::alerts_error_loading_file(), filename));
84 return;
85 }
86
87 SetPaletteCommand* cmd = static_cast<SetPaletteCommand*>(
88 Commands::instance()->byId(CommandId::SetPalette()));
89 cmd->setPalette(palette.get());
90 context->executeCommand(cmd);
91}
92
93Command* CommandFactory::createLoadPaletteCommand()
94{
95 return new LoadPaletteCommand;
96}
97
98} // namespace app
99