mirror of
https://github.com/cookiengineer/audacity
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a1eeb528b7
... Don't do it at the low level of construction of a command object. Do it only at the highest possible level, where an external scripting module or Nyquist calls into the command framework. Pass the project pointer down where it is needed.
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/**********************************************************************
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Audacity - A Digital Audio Editor
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Copyright 1999-2009 Audacity Team
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File License: wxWidgets
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Dan Horgan
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******************************************************************//**
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\file BatchEvalCommand.cpp
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\brief Contains definitions for the BatchEvalCommand class
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*//*******************************************************************/
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#include "../Audacity.h"
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#include "BatchEvalCommand.h"
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#include "CommandContext.h"
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#include "CommandDirectory.h"
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#include "../Project.h"
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static CommandDirectory::RegisterType sRegisterType{
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std::make_unique<BatchEvalCommandType>()
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};
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ComponentInterfaceSymbol BatchEvalCommandType::BuildName()
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{
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return { wxT("BatchCommand"), XO("Batch Command") };
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}
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void BatchEvalCommandType::BuildSignature(CommandSignature &signature)
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{
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auto commandNameValidator = std::make_unique<DefaultValidator>();
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signature.AddParameter(wxT("CommandName"), wxT(""), std::move(commandNameValidator));
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auto paramValidator = std::make_unique<DefaultValidator>();
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signature.AddParameter(wxT("ParamString"), wxT(""), std::move(paramValidator));
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auto macroValidator = std::make_unique<DefaultValidator>();
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signature.AddParameter(wxT("MacroName"), wxT(""), std::move(macroValidator));
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}
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OldStyleCommandPointer BatchEvalCommandType::Create( AudacityProject *project,
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std::unique_ptr<CommandOutputTargets> && WXUNUSED(target))
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{
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return std::make_shared<BatchEvalCommand>(*project, *this);
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}
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bool BatchEvalCommand::Apply(const CommandContext & context)
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{
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// Uh oh, I need to build a catalog, expensively
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// Maybe it can be built in one long-lived place and shared among command
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// objects instead?
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MacroCommandsCatalog catalog(&context.project);
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wxString macroName = GetString(wxT("MacroName"));
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if (!macroName.empty())
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{
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MacroCommands batch;
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batch.ReadMacro(macroName);
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return batch.ApplyMacro(catalog);
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}
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auto cmdName = GetString(wxT("CommandName"));
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wxString cmdParams = GetString(wxT("ParamString"));
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auto iter = catalog.ByCommandId(cmdName);
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const auto friendly = (iter == catalog.end())
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? Verbatim( cmdName ) // Expose internal name to user, in default of a better one!
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: iter->name.Msgid().Stripped();
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// Create a Batch that will have just one command in it...
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MacroCommands Batch;
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bool bResult = Batch.ApplyCommandInBatchMode(friendly, cmdName, cmdParams, &context);
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// Relay messages, if any.
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wxString Message = Batch.GetMessage();
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if( !Message.empty() )
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context.Status( Message );
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return bResult;
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}
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BatchEvalCommand::~BatchEvalCommand()
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{ }
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