117 lines
3.3 KiB
C++
117 lines
3.3 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 "../Audacity.h"
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#include "SetLabelCommand.h"
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#include "../Project.h"
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#include "../Track.h"
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#include "../TrackPanel.h"
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#include "../WaveTrack.h"
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#include "../LabelTrack.h"
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#include "../ShuttleGui.h"
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#include "CommandContext.h"
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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.Optional( bHasText ).Define( mText, wxT("Text"), wxT("empty") );
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S.Optional( bHasT0 ).Define( mT0, wxT("Start"), 0.0, 0.0, 100000.0);
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S.Optional( bHasT1 ).Define( mT1, wxT("End"), 0.0, 0.0, 100000.0);
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S.Optional( 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( _("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( _("Text:"), mText );
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S.Optional( bHasT0 ).TieNumericTextBox( _("Start:"), mT0 );
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S.Optional( bHasT1 ).TieNumericTextBox( _("End:"), mT1 );
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S.Optional( bHasSelected ).TieCheckBox( _("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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TrackList *tracks = context.GetProject()->GetTracks();
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TrackListIterator iter(tracks);
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Track *t = iter.First();
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LabelStruct * pLabel = NULL;
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int i=0;
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int nn=0;
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LabelTrack *labelTrack = nullptr;
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while (t && i<=mLabelIndex) {
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if (t->GetKind() == Track::Label) {
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labelTrack = static_cast<LabelTrack*>(t);
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if( labelTrack )
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{
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for (nn = 0;
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(nn< (int)labelTrack->mLabels.size()) && i<=mLabelIndex;
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nn++) {
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i++;
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pLabel = &labelTrack->mLabels[nn];
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}
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}
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}
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t = iter.Next();
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}
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if ( (i< mLabelIndex) || (pLabel == NULL))
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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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if( bHasText )
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pLabel->title = mText;
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if( bHasT0 )
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pLabel->selectedRegion.setT0(mT0, false);
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if( bHasT1 )
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pLabel->selectedRegion.setT1(mT1, false);
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if( bHasT0 || bHasT1 )
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pLabel->selectedRegion.ensureOrdering();
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pLabel->updated = true;
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// Only one label can be selected.
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if( bHasSelected ){
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if( mbSelected )
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labelTrack->mSelIndex = nn-1;
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else if( labelTrack->mSelIndex == (nn-1) )
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labelTrack->mSelIndex = -1;
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}
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return true;
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}
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