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Code Issues Releases Wiki Activity

TrackView handles its own special XML attributes via virtual functions

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This commit is contained in:
Paul Licameli 2019-06-22 10:27:04 -04:00
parent 278509a505
commit 3f1fd8ced0
5 changed files with 54 additions and 14 deletions
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23
src/Track.cpp
View File

@ -1191,9 +1191,10 @@ void Track::WriteCommonXMLAttributes(
xmlFile.WriteAttr(wxT("name"), GetName());
xmlFile.WriteAttr(wxT("isSelected"), this->GetSelected());
}
auto &view = TrackView::Get( *this );
xmlFile.WriteAttr(wxT("height"), view.GetActualHeight());
xmlFile.WriteAttr(wxT("minimized"), view.GetMinimized());
if ( mpView )
mpView->WriteXMLAttributes( xmlFile );
if ( mpControls )
mpControls->WriteXMLAttributes( xmlFile );
}
// Return true iff the attribute is recognized.
@ -1201,21 +1202,15 @@ bool Track::HandleCommonXMLAttribute(const wxChar *attr, const wxChar *value)
{
long nValue = -1;
wxString strValue( value );
if (!wxStrcmp(attr, wxT("name")) &&
if ( mpView && mpView->HandleXMLAttribute( attr, value ) )
;
else if ( mpControls && mpControls->HandleXMLAttribute( attr, value ) )
;
else if (!wxStrcmp(attr, wxT("name")) &&
XMLValueChecker::IsGoodString(strValue)) {
SetName( strValue );
return true;
}
else if (!wxStrcmp(attr, wxT("height")) &&
XMLValueChecker::IsGoodInt(strValue) && strValue.ToLong(&nValue)) {
TrackView::Get( *this ).SetHeight(nValue);
return true;
}
else if (!wxStrcmp(attr, wxT("minimized")) &&
XMLValueChecker::IsGoodInt(strValue) && strValue.ToLong(&nValue)) {
TrackView::Get( *this ).SetMinimized(nValue != 0);
return true;
}
else if (!wxStrcmp(attr, wxT("isSelected")) &&
XMLValueChecker::IsGoodInt(strValue) && strValue.ToLong(&nValue)) {
this->SetSelected(nValue != 0);

9
src/tracks/ui/CommonTrackPanelCell.cpp
View File

@ -66,3 +66,12 @@ std::shared_ptr<Track> CommonTrackCell::DoFindTrack()
{
return mwTrack.lock();
}
void CommonTrackCell::WriteXMLAttributes( XMLWriter & ) const
{
}
bool CommonTrackCell::HandleXMLAttribute( const wxChar *, const wxChar * )
{
return false;
}

7
src/tracks/ui/CommonTrackPanelCell.h
View File

@ -19,6 +19,7 @@ Paul Licameli split from TrackPanel.cpp
#include <functional>
class Track;
class XMLWriter;
class AUDACITY_DLL_API CommonTrackPanelCell /* not final */
: public TrackPanelCell
@ -65,6 +66,12 @@ public:
virtual void Reparent( const std::shared_ptr<Track> &parent );
// default does nothing
virtual void WriteXMLAttributes( XMLWriter & ) const;
// default recognizes no attributes, and returns false
virtual bool HandleXMLAttribute( const wxChar *attr, const wxChar *value );
private:
std::weak_ptr< Track > mwTrack;
};

26
src/tracks/ui/TrackView.cpp
View File

@ -16,6 +16,8 @@ Paul Licameli split from TrackPanel.cpp
#include "../../ClientData.h"
#include "../../Project.h"
#include "../../xml/XMLTagHandler.h"
#include "../../xml/XMLWriter.h"
TrackView::~TrackView()
{
@ -74,6 +76,30 @@ void TrackView::SetMinimized(bool isMinimized)
leader->AdjustPositions();
}
void TrackView::WriteXMLAttributes( XMLWriter &xmlFile ) const
{
xmlFile.WriteAttr(wxT("height"), GetActualHeight());
xmlFile.WriteAttr(wxT("minimized"), GetMinimized());
}
bool TrackView::HandleXMLAttribute( const wxChar *attr, const wxChar *value )
{
wxString strValue;
long nValue;
if (!wxStrcmp(attr, wxT("height")) &&
XMLValueChecker::IsGoodInt(strValue) && strValue.ToLong(&nValue)) {
SetHeight(nValue);
return true;
}
else if (!wxStrcmp(attr, wxT("minimized")) &&
XMLValueChecker::IsGoodInt(strValue) && strValue.ToLong(&nValue)) {
SetMinimized(nValue != 0);
return true;
}
else
return false;
}
void TrackView::DoSetMinimized(bool isMinimized)
{
mMinimized = isMinimized;

3
src/tracks/ui/TrackView.h
View File

@ -69,6 +69,9 @@ public:
std::shared_ptr<TrackPanelCell> GetResizer();
std::shared_ptr<const TrackPanelCell> GetResizer() const;
void WriteXMLAttributes( XMLWriter & ) const override;
bool HandleXMLAttribute( const wxChar *attr, const wxChar *value ) override;
protected:
virtual void DoSetMinimized( bool isMinimized );