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// Copyright 1998-2016 Epic Games, Inc. All Rights Reserved.
#include "PythonEditorPrivatePCH.h"
#include "SPythonEditor.h"
#include "SPythonProjectEditor.h"
#include "SDockTab.h"
#include "PythonProjectEditorToolbar.h"
#include "Editor/Kismet/Public/WorkflowOrientedApp/WorkflowUObjectDocuments.h"
#include "Editor/Kismet/Public/WorkflowOrientedApp/ApplicationMode.h"
#define LOCTEXT_NAMESPACE "PythonEditor"
TWeakPtr<FPythonProjectEditor> FPythonProjectEditor::PythonEditor;
const FName PythonEditorAppName = FName(TEXT("PythonEditorApp"));
TSharedPtr<SPythonProjectEditor> MyPythonProjectEditor;
namespace PythonEditorModes
{
// Mode identifiers
static const FName StandardMode(TEXT("StandardMode"));
};
namespace PythonEditorTabs
{
// Tab identifiers
static const FName ProjectViewID(TEXT("ProjectView"));
static const FName PythonViewID(TEXT("Document"));
};
struct FPythonTabSummoner : public FDocumentTabFactoryForObjects<UPythonProjectItem>
{
public:
DECLARE_DELEGATE_RetVal_TwoParams(TSharedRef<SWidget>, FOnCreatePythonEditorWidget, TSharedRef<FTabInfo>, UPythonProjectItem*);
public:
FPythonTabSummoner(TSharedPtr<class FPythonProjectEditor> InPythonProjectEditorPtr, FOnCreatePythonEditorWidget CreatePythonEditorWidgetCallback)
: FDocumentTabFactoryForObjects<UPythonProjectItem>(PythonEditorTabs::PythonViewID, InPythonProjectEditorPtr)
, PythonProjectEditorPtr(InPythonProjectEditorPtr)
, OnCreatePythonEditorWidget(CreatePythonEditorWidgetCallback)
{
}
virtual void OnTabActivated(TSharedPtr<SDockTab> Tab) const override
{
TSharedRef<SPythonEditor> PythonEditor = StaticCastSharedRef<SPythonEditor>(Tab->GetContent());
// InPythonProjectEditorPtr.Pin()->OnPythonEditorFocused(PythonEditor);
}
virtual void OnTabRefreshed(TSharedPtr<SDockTab> Tab) const override
{
TSharedRef<SPythonEditor> GraphEditor = StaticCastSharedRef<SPythonEditor>(Tab->GetContent());
// GraphEditor->NotifyItemChanged();
}
virtual void SaveState(TSharedPtr<SDockTab> Tab, TSharedPtr<FTabPayload> Payload) const override
{
TSharedRef<SPythonEditor> GraphEditor = StaticCastSharedRef<SPythonEditor>(Tab->GetContent());
// UPythonProjectItem* Graph = FTabPayload_UObject::CastChecked<UPythonProjectItem>(Payload);
// BlueprintEditorPtr.Pin()->GetBlueprintObj()->LastEditedDocuments.Add(FEditedDocumentInfo(Graph, ViewLocation, ZoomAmount));
}
protected:
virtual TAttribute<FText> ConstructTabNameForObject(UPythonProjectItem* DocumentID) const override
{
return FText::FromString(DocumentID->Name);
}
virtual TSharedRef<SWidget> CreateTabBodyForObject(const FWorkflowTabSpawnInfo& Info, UPythonProjectItem* DocumentID) const override
{
check(Info.TabInfo.IsValid());
return OnCreatePythonEditorWidget.Execute(Info.TabInfo.ToSharedRef(), DocumentID);
}
virtual const FSlateBrush* GetTabIconForObject(const FWorkflowTabSpawnInfo& Info, UPythonProjectItem* DocumentID) const override
{
return FPythonEditorStyle::Get().GetBrush("ProjectEditor.Icon.File");
}
/* virtual TSharedRef<FGenericTabHistory> CreateTabHistoryNode(TSharedPtr<FTabPayload> Payload) override
{
return MakeShareable(new FSourceTabHistory(SharedThis(this), Payload));
}*/
protected:
TWeakPtr<class FPythonProjectEditor> PythonProjectEditorPtr;
FOnCreatePythonEditorWidget OnCreatePythonEditorWidget;
};
struct FProjectViewSummoner : public FWorkflowTabFactory
{
public:
FProjectViewSummoner(TSharedPtr<class FAssetEditorToolkit> InHostingApp)
: FWorkflowTabFactory(PythonEditorTabs::ProjectViewID, InHostingApp)
{
TabLabel = LOCTEXT("ProjectTabLabel", "Project");
bIsSingleton = true;
ViewMenuDescription = LOCTEXT("ProjectTabMenu_Description", "Project");
ViewMenuTooltip = LOCTEXT("ProjectTabMenu_ToolTip", "Shows the project panel");
}
~FProjectViewSummoner()
{
MyPythonProjectEditor.Reset();
}
virtual TSharedRef<SWidget> CreateTabBody(const FWorkflowTabSpawnInfo& Info) const override
{
TSharedPtr<FPythonProjectEditor> PythonEditorPtr = StaticCastSharedPtr<FPythonProjectEditor>(HostingApp.Pin());
return SAssignNew(MyPythonProjectEditor, SPythonProjectEditor, PythonEditorPtr->GetPythonProjectBeingEdited());
}
};
class FBasicPythonEditorMode : public FApplicationMode
{
public:
FBasicPythonEditorMode(TSharedPtr<class FPythonProjectEditor> InPythonEditor, FName InModeName);
// FApplicationMode interface
virtual void RegisterTabFactories(TSharedPtr<FTabManager> InTabManager) override;
// End of FApplicationMode interface
protected:
TWeakPtr<FPythonProjectEditor> MyPythonEditor;
FWorkflowAllowedTabSet ProjectViewTabFactories;
};
FBasicPythonEditorMode::FBasicPythonEditorMode(TSharedPtr<class FPythonProjectEditor> InPythonEditor, FName InModeName)
: FApplicationMode(InModeName)
{
MyPythonEditor = InPythonEditor;
ProjectViewTabFactories.RegisterFactory(MakeShareable(new FProjectViewSummoner(InPythonEditor)));
TabLayout = FTabManager::NewLayout("Standalone_PythonEditor_Layout_v1.01")
->AddArea
(
FTabManager::NewPrimaryArea()
->SetOrientation(Orient_Vertical)
->Split
(
FTabManager::NewStack()
->SetSizeCoefficient(0.1f)
->SetHideTabWell(true)
->AddTab(InPythonEditor->GetToolbarTabId(), ETabState::OpenedTab)
)
->Split
(
FTabManager::NewSplitter()
->SetSizeCoefficient(0.9f)
->SetOrientation(Orient_Horizontal)
->Split
(
FTabManager::NewStack()
->SetSizeCoefficient(0.2)
->SetHideTabWell(true)
->AddTab(PythonEditorTabs::ProjectViewID, ETabState::OpenedTab)
)
->Split
(
FTabManager::NewStack()
->SetSizeCoefficient(0.8)
->SetHideTabWell(false)
->AddTab(PythonEditorTabs::PythonViewID, ETabState::ClosedTab)
)
)
);
InPythonEditor->GetToolbarBuilder()->AddEditorToolbar(ToolbarExtender);
}
void FBasicPythonEditorMode::RegisterTabFactories(TSharedPtr<FTabManager> InTabManager)
{
TSharedPtr<FPythonProjectEditor> Editor = MyPythonEditor.Pin();
Editor->RegisterToolbarTab(InTabManager.ToSharedRef());
Editor->PushTabFactories(ProjectViewTabFactories);
FApplicationMode::RegisterTabFactories(InTabManager);
}
FPythonProjectEditor::FPythonProjectEditor()
{
}
void FPythonProjectEditor::RegisterTabSpawners(const TSharedRef<class FTabManager>& NewTabManager)
{
DocumentManager->SetTabManager(NewTabManager);
FWorkflowCentricApplication::RegisterTabSpawners(NewTabManager);
}
void FPythonProjectEditor::RegisterToolbarTab(const TSharedRef<class FTabManager>& NewTabManager)
{
FAssetEditorToolkit::RegisterTabSpawners(NewTabManager);
}
void FPythonProjectEditor::InitPythonEditor(const EToolkitMode::Type Mode, const TSharedPtr< class IToolkitHost >& InitToolkitHost, class UPythonProject* PythonProject)
{
FAssetEditorManager::Get().CloseOtherEditors(PythonProject, this);
PythonProjectBeingEdited = PythonProject;
TSharedPtr<FPythonProjectEditor> ThisPtr(SharedThis(this));
if (!DocumentManager.IsValid())
{
DocumentManager = MakeShareable(new FDocumentTracker);
DocumentManager->Initialize(ThisPtr);
}
PythonEditor = ThisPtr;
TSharedRef<FDocumentTabFactory> GraphEditorFactory = MakeShareable(new FPythonTabSummoner(ThisPtr, FPythonTabSummoner::FOnCreatePythonEditorWidget::CreateSP(this, &FPythonProjectEditor::CreatePythonEditorWidget)));
DocumentManager->RegisterDocumentFactory(GraphEditorFactory);
if (!ToolbarBuilder.IsValid())
{
ToolbarBuilder = MakeShareable(new FPythonProjectEditorToolbar(SharedThis(this)));
}
FPythonProjectEditorCommands::Register();
// Initialize the asset editor and spawn nothing (dummy layout)
const TSharedRef<FTabManager::FLayout> DummyLayout = FTabManager::NewLayout("NullLayout")->AddArea(FTabManager::NewPrimaryArea());
InitAssetEditor(Mode, InitToolkitHost, PythonEditorAppName, DummyLayout, /*bCreateDefaultStandaloneMenu=*/ true, /*bCreateDefaultToolbar=*/ true, PythonProject);
BindCommands();
// Create the modes and activate one (which will populate with a real layout)
AddApplicationMode(
PythonEditorModes::StandardMode,
MakeShareable(new FBasicPythonEditorMode(ThisPtr, PythonEditorModes::StandardMode)));
SetCurrentMode(PythonEditorModes::StandardMode);
RegenerateMenusAndToolbars();
}
void FPythonProjectEditor::BindCommands()
{
ToolkitCommands->MapAction(FPythonProjectEditorCommands::Get().New,
FExecuteAction::CreateSP(this, &FPythonProjectEditor::New_Internal),
FCanExecuteAction::CreateSP(this, &FPythonProjectEditor::CanNew)
);
ToolkitCommands->MapAction(FPythonProjectEditorCommands::Get().NewDirectory,
FExecuteAction::CreateSP(this, &FPythonProjectEditor::NewDirectory_Internal),
FCanExecuteAction::CreateSP(this, &FPythonProjectEditor::CanNew)
);
ToolkitCommands->MapAction(FPythonProjectEditorCommands::Get().Delete,
FExecuteAction::CreateSP(this, &FPythonProjectEditor::Delete_Internal),
FCanExecuteAction::CreateSP(this, &FPythonProjectEditor::CanDelete)
);
ToolkitCommands->MapAction(FPythonProjectEditorCommands::Get().Save,
FExecuteAction::CreateSP(this, &FPythonProjectEditor::Save_Internal),
FCanExecuteAction::CreateSP(this, &FPythonProjectEditor::CanSave)
);
ToolkitCommands->MapAction(FPythonProjectEditorCommands::Get().SaveAll,
FExecuteAction::CreateSP(this, &FPythonProjectEditor::SaveAll_Internal),
FCanExecuteAction::CreateSP(this, &FPythonProjectEditor::CanSaveAll)
);
ToolkitCommands->MapAction(FPythonProjectEditorCommands::Get().Execute,
FExecuteAction::CreateSP(this, &FPythonProjectEditor::Execute_Internal),
FCanExecuteAction::CreateSP(this, &FPythonProjectEditor::CanExecute)
);
ToolkitCommands->MapAction(FPythonProjectEditorCommands::Get().PEP8ize,
FExecuteAction::CreateSP(this, &FPythonProjectEditor::PEP8ize_Internal),
FCanExecuteAction::CreateSP(this, &FPythonProjectEditor::CanExecute)
);
}
void FPythonProjectEditor::CloseFileForEditing(UPythonProjectItem* Item)
{
TSharedRef<FTabPayload_UObject> Payload = FTabPayload_UObject::Make(Item);
DocumentManager->CloseTab(Payload);
}
void FPythonProjectEditor::OpenFileForEditing(UPythonProjectItem* Item)
{
TSharedRef<FTabPayload_UObject> Payload = FTabPayload_UObject::Make(Item);
DocumentManager->OpenDocument(Payload, FDocumentTracker::OpenNewDocument);
}
FName FPythonProjectEditor::GetToolkitFName() const
{
return FName("PythonEditor");
}
FText FPythonProjectEditor::GetBaseToolkitName() const
{
return LOCTEXT("AppLabel", "Python Editor");
}
FText FPythonProjectEditor::GetToolkitName() const
{
return LOCTEXT("PythonAppLabel", "Python Editor");
}
FText FPythonProjectEditor::GetToolkitToolTipText() const
{
return LOCTEXT("PythonAppLabel", "Python Editor");
}
FString FPythonProjectEditor::GetWorldCentricTabPrefix() const
{
return TEXT("PythonEditor");
}
FLinearColor FPythonProjectEditor::GetWorldCentricTabColorScale() const
{
return FLinearColor::White;
}
void FPythonProjectEditor::AddReferencedObjects(FReferenceCollector& Collector)
{
UPythonProject* PythonProject = PythonProjectBeingEdited.Get();
Collector.AddReferencedObject(PythonProject);
}
TSharedRef<SWidget> FPythonProjectEditor::CreatePythonEditorWidget(TSharedRef<FTabInfo> TabInfo, UPythonProjectItem* Item)
{
return SNew(SPythonEditor, Item);
}
FString FPythonProjectEditor::GetSafeName(bool IsDirectory)
{
UPythonProject* PythonProject = PythonProjectBeingEdited.Get();
TArray<UPythonProjectItem*> selItems = MyPythonProjectEditor->GetSelectedItems();
FString basePath = PythonProject->Path;
if (selItems.Num() > 0) {
if (selItems[0]->Type == EPythonProjectItemType::Folder) {
basePath = selItems[0]->Path;
}
}
int suf = 2;
FString scriptName;
while (true)
{
FString SufStr = FString::Printf(TEXT("%d"), suf);
if (!IsDirectory) {
scriptName = basePath / TEXT("PythonScript") + SufStr + TEXT(".py");
if (!FPaths::FileExists(scriptName)) {
return scriptName;
}
}
else {
scriptName = basePath / TEXT("NewDirectory") + SufStr;
if (!FPaths::DirectoryExists(scriptName)) {
return scriptName;
}
}
suf++;
}
}
void FPythonProjectEditor::New_Internal()
{
New();
}
bool FPythonProjectEditor::New()
{
IPlatformFile& PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
FString scriptName = GetSafeName(false);
IFileHandle* fileHandle = PlatformFile.OpenWrite(*scriptName);
if (fileHandle == NULL) {
return false;
}
fileHandle->~IFileHandle();
UPythonProject* PythonProject = PythonProjectBeingEdited.Get();
PythonProject->RescanChildren();
UPythonProjectItem* item = MyPythonProjectEditor->SelectByPath(scriptName);
if (item)
OpenFileForEditing(item);
return true;
}
void FPythonProjectEditor::NewDirectory_Internal()
{
NewDirectory();
}
bool FPythonProjectEditor::NewDirectory()
{
IPlatformFile& PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
FString dirName = GetSafeName(true);
if (!PlatformFile.CreateDirectory(*dirName)) {
return false;
}
UPythonProject* PythonProject = PythonProjectBeingEdited.Get();
PythonProject->RescanChildren();
return true;
}
void FPythonProjectEditor::Delete_Internal()
{
Delete();
}
bool FPythonProjectEditor::Delete()
{
EAppReturnType::Type ret = FMessageDialog::Open(EAppMsgType::YesNo, FText::FromString(TEXT("Are you sure to delete ?")));
if (EAppReturnType::Yes != ret) {
return false;
}
IPlatformFile& PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
TArray<UPythonProjectItem*> selItems = MyPythonProjectEditor->GetSelectedItems();
for (UPythonProjectItem* item : selItems)
{
CloseFileForEditing(item);
PlatformFile.DeleteFile(*item->Path);
}
UPythonProject* PythonProject = PythonProjectBeingEdited.Get();
PythonProject->RescanChildren();
MyPythonProjectEditor->RequestTreeRefresh();
return true;
}
bool FPythonProjectEditor::CanDelete() const
{
return MyPythonProjectEditor->HasSelectionItem();
}
void FPythonProjectEditor::Save_Internal()
{
Save();
}
bool FPythonProjectEditor::Save()
{
if (DocumentManager.IsValid() && DocumentManager->GetActiveTab().IsValid())
{
TSharedRef<SPythonEditor> PythonEditorRef = StaticCastSharedRef<SPythonEditor>(DocumentManager->GetActiveTab()->GetContent());
return PythonEditorRef->Save();
}
return false;
}
bool FPythonProjectEditor::CanSave() const
{
if (DocumentManager.IsValid() && DocumentManager->GetActiveTab().IsValid())
{
TSharedRef<SWidget> Content = DocumentManager->GetActiveTab()->GetContent();
TSharedRef<SPythonEditor> PythonEditorRef = StaticCastSharedRef<SPythonEditor>(Content);
return PythonEditorRef->CanSave();
}
return false;
}
void FPythonProjectEditor::SaveAll_Internal()
{
SaveAll();
}
bool FPythonProjectEditor::SaveAll()
{
bool bResult = true;
if (DocumentManager.IsValid())
{
TArray<TSharedPtr<SDockTab>> AllTabs = DocumentManager->GetAllDocumentTabs();
for (auto& Tab : AllTabs)
{
if (Tab.IsValid())
{
TSharedRef<SPythonEditor> PythonEditorRef = StaticCastSharedRef<SPythonEditor>(Tab->GetContent());
if (!PythonEditorRef->Save())
{
bResult = false;
}
}
}
}
return bResult;
}
void FPythonProjectEditor::Execute_Internal()
{
Execute();
}
void FPythonProjectEditor::PEP8ize_Internal()
{
PEP8ize();
}
bool FPythonProjectEditor::Execute()
{
if (DocumentManager.IsValid() && DocumentManager->GetActiveTab().IsValid())
{
TSharedRef<SPythonEditor> PythonEditorRef = StaticCastSharedRef<SPythonEditor>(DocumentManager->GetActiveTab()->GetContent());
PythonEditorRef->Execute();
}
return true;
}
bool FPythonProjectEditor::PEP8ize()
{
if (DocumentManager.IsValid() && DocumentManager->GetActiveTab().IsValid())
{
TSharedRef<SPythonEditor> PythonEditorRef = StaticCastSharedRef<SPythonEditor>(DocumentManager->GetActiveTab()->GetContent());
PythonEditorRef->PEP8ize();
}
return true;
}
bool FPythonProjectEditor::CanSaveAll() const
{
return true;
}
bool FPythonProjectEditor::CanNew() const
{
return true;
}
bool FPythonProjectEditor::CanExecute() const
{
if (DocumentManager.IsValid() && DocumentManager->GetActiveTab().IsValid())
{
return true;
}
return false;
}
//////////////////////////////////////////////////////////////////////////
#undef LOCTEXT_NAMESPACE