mirror of https://github.com/aseprite/aseprite.git
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
// Aseprite
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// Copyright (C) 2001-2017 David Capello
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//
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// This program is distributed under the terms of
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// the End-User License Agreement for Aseprite.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "app/app.h"
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#include "app/commands/command.h"
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#include "app/context_access.h"
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#include "app/document_api.h"
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#include "app/i18n/strings.h"
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#include "app/modules/gui.h"
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#include "app/transaction.h"
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#include "app/ui/status_bar.h"
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#include "doc/layer.h"
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#include "doc/sprite.h"
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#include "ui/alert.h"
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#include "ui/widget.h"
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namespace app {
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class RemoveLayerCommand : public Command {
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public:
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RemoveLayerCommand();
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Command* clone() const override { return new RemoveLayerCommand(*this); }
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protected:
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bool onEnabled(Context* context) override;
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void onExecute(Context* context) override;
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};
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RemoveLayerCommand::RemoveLayerCommand()
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: Command(CommandId::RemoveLayer(), CmdRecordableFlag)
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{
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}
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bool RemoveLayerCommand::onEnabled(Context* context)
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{
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return context->checkFlags(ContextFlags::ActiveDocumentIsWritable |
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ContextFlags::HasActiveSprite |
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ContextFlags::HasActiveLayer);
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}
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void RemoveLayerCommand::onExecute(Context* context)
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{
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std::string layerName;
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ContextWriter writer(context);
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Document* document(writer.document());
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Sprite* sprite(writer.sprite());
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{
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Transaction transaction(writer.context(), "Remove Layer");
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DocumentApi api = document->getApi(transaction);
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const Site* site = writer.site();
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if (site->inTimeline() &&
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!site->selectedLayers().empty()) {
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SelectedLayers selLayers = site->selectedLayers();
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selLayers.removeChildrenIfParentIsSelected();
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layer_t deletedTopLevelLayers = 0;
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for (Layer* layer : selLayers) {
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if (layer->parent() == sprite->root())
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++deletedTopLevelLayers;
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}
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if (deletedTopLevelLayers == sprite->root()->layersCount()) {
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ui::Alert::show(Strings::alerts_cannot_delete_all_layers());
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return;
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}
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for (Layer* layer : selLayers) {
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api.removeLayer(layer);
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}
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}
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else {
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if (sprite->allLayersCount() == 1) {
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ui::Alert::show(Strings::alerts_cannot_delete_all_layers());
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return;
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}
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Layer* layer = writer.layer();
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layerName = layer->name();
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api.removeLayer(layer);
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}
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transaction.commit();
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}
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update_screen_for_document(document);
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StatusBar::instance()->invalidate();
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if (!layerName.empty())
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StatusBar::instance()->showTip(1000, "Layer '%s' removed", layerName.c_str());
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else
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StatusBar::instance()->showTip(1000, "Layers removed");
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}
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Command* CommandFactory::createRemoveLayerCommand()
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{
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return new RemoveLayerCommand;
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}
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} // namespace app
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