133 lines
3.9 KiB
C++
133 lines
3.9 KiB
C++
/**********************************************************************
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Audacity - A Digital Audio Editor
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Copyright 1999-2018 Audacity Team
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License: wxwidgets
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James Crook
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******************************************************************//**
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\file SetLabelCommand.cpp
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\brief Definitions for SetLabelCommand
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\class SetLabelCommand
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\brief Command that sets label information
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*//*******************************************************************/
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#include "SetLabelCommand.h"
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#include "LoadCommands.h"
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#include "../ViewInfo.h"
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#include "../WaveTrack.h"
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#include "../LabelTrack.h"
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#include "../ProjectHistory.h"
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#include "../Shuttle.h"
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#include "../ShuttleGui.h"
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#include "CommandContext.h"
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#include "../tracks/labeltrack/ui/LabelTrackView.h"
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const ComponentInterfaceSymbol SetLabelCommand::Symbol
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{ XO("Set Label") };
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namespace{ BuiltinCommandsModule::Registration< SetLabelCommand > reg; }
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SetLabelCommand::SetLabelCommand()
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{
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}
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bool SetLabelCommand::DefineParams( ShuttleParams & S ){
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S.Define( mLabelIndex, wxT("Label"), 0, 0, 100 );
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S.OptionalY( bHasText ).Define( mText, wxT("Text"), wxT("empty") );
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S.OptionalY( bHasT0 ).Define( mT0, wxT("Start"), 0.0, 0.0, 100000.0);
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S.OptionalY( bHasT1 ).Define( mT1, wxT("End"), 0.0, 0.0, 100000.0);
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S.OptionalN( bHasSelected ).Define( mbSelected, wxT("Selected"), false );
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return true;
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};
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void SetLabelCommand::PopulateOrExchange(ShuttleGui & S)
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{
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S.AddSpace(0, 5);
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S.StartMultiColumn(2, wxALIGN_CENTER);
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{
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S.TieNumericTextBox( XXO("Label Index"), mLabelIndex );
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}
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S.EndMultiColumn();
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S.StartMultiColumn(3, wxALIGN_CENTER);
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{
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S.Optional( bHasText ).TieTextBox( XXO("Text:"), mText );
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S.Optional( bHasT0 ).TieNumericTextBox( XXO("Start:"), mT0 );
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S.Optional( bHasT1 ).TieNumericTextBox( XXO("End:"), mT1 );
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S.Optional( bHasSelected ).TieCheckBox( XXO("Selected"), mbSelected );
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}
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S.EndMultiColumn();
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}
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bool SetLabelCommand::Apply(const CommandContext & context)
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{
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// \todo we have similar code for finding the nth Label, Clip, Track etc.
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// this code could be put in subroutines/reduced.
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//wxString mode = GetString(wxT("Type"));
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AudacityProject * p = &context.project;
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auto &tracks = TrackList::Get( *p );
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auto &selectedRegion = ViewInfo::Get( *p ).selectedRegion;
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const LabelStruct * pLabel = nullptr;
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LabelTrack *labelTrack = nullptr;
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auto ii = mLabelIndex;
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if ( mLabelIndex >= 0 ) {
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for (auto lt : tracks.Any<LabelTrack>()) {
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const auto &labels = lt->GetLabels();
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const auto nLabels = labels.size();
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if( ii >= (int)nLabels )
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ii -= nLabels;
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else {
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labelTrack = lt;
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pLabel = &labels[ ii ];
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break;
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}
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}
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}
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if ( !pLabel )
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{
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context.Error(wxT("LabelIndex was invalid."));
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return false;
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}
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auto newLabel = *pLabel;
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if( bHasText )
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newLabel.title = mText;
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if( bHasT0 )
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newLabel.selectedRegion.setT0(mT0, false);
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if( bHasT1 )
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newLabel.selectedRegion.setT1(mT1, false);
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if( bHasT0 || bHasT1 )
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newLabel.selectedRegion.ensureOrdering();
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labelTrack->SetLabel( ii, newLabel );
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// Only one label can be selected.
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if( bHasSelected ) {
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auto &view = LabelTrackView::Get( *labelTrack );
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if( mbSelected )
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{
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view.SetSelectedIndex( ii );
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double t0 = pLabel->selectedRegion.t0();
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double t1 = pLabel->selectedRegion.t1();
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selectedRegion.setTimes( t0, t1);
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}
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else if( view.GetSelectedIndex( context.project ) == ii )
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view.SetSelectedIndex( -1 );
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}
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labelTrack->SortLabels();
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ProjectHistory::Get(context.project).PushState(
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XO("Edited Label"), XO("Label"));
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return true;
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}
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