void MeasureBase::cleanupLayoutBreaks(bool undo)
{
// remove unneeded layout breaks
std::vector<Element*> toDelete;
for (Element* e : el()) {
if (e->isLayoutBreak()) {
switch (toLayoutBreak(e)->layoutBreakType()) {
case LayoutBreak::LINE:
if (!lineBreak())
toDelete.push_back(e);
break;
case LayoutBreak::PAGE:
if (!pageBreak())
toDelete.push_back(e);
break;
case LayoutBreak::SECTION:
if (!sectionBreak())
toDelete.push_back(e);
break;
case LayoutBreak::NOBREAK:
if (!noBreak())
toDelete.push_back(e);
break;
}
}
}
for (Element* e : toDelete) {
if (undo)
score()->undoRemoveElement(e);
else
_el.remove(e);
}
}
LayoutBreak* MeasureBase::sectionBreakElement() const
{
if (sectionBreak()) {
for (Element* e : el()) {
if (e->isLayoutBreak() && toLayoutBreak(e)->isSectionBreak())
return toLayoutBreak(e);
}
}
return 0;
}
bool MeasureBase::readProperties(XmlReader& e)
{
const QStringRef& tag(e.name());
if (tag == "LayoutBreak") {
LayoutBreak* lb = new LayoutBreak(score());
lb->read(e);
bool doAdd = true;
switch (lb->layoutBreakType()) {
case LayoutBreak::LINE:
if (lineBreak())
doAdd = false;
break;
case LayoutBreak::PAGE:
if (pageBreak())
doAdd = false;
break;
case LayoutBreak::SECTION:
if (sectionBreak())
doAdd = false;
break;
case LayoutBreak::NOBREAK:
if (noBreak())
doAdd = false;
break;
}
if (doAdd) {
add(lb);
cleanupLayoutBreaks(false);
}
else
delete lb;
}
else if (tag == "StaffTypeChange") {
StaffTypeChange* stc = new StaffTypeChange(score());
stc->setTrack(e.track());
stc->setParent(this);
stc->read(e);
add(stc);
}
else if (Element::readProperties(e))
;
else
return false;
return true;
}
void MeasureBase::undoSetBreak(bool v, LayoutBreak::Type type)
{
switch (type) {
case LayoutBreak::LINE:
if (lineBreak() == v)
return;
setLineBreak(v);
break;
case LayoutBreak::PAGE:
if (pageBreak() == v)
return;
if (v && lineBreak())
setLineBreak(false);
setPageBreak(v);
break;
case LayoutBreak::SECTION:
if (sectionBreak() == v)
return;
if (v && lineBreak())
setLineBreak(false);
setSectionBreak(v);
break;
case LayoutBreak::NOBREAK:
if (noBreak() == v)
return;
if (v) {
setLineBreak(false);
setPageBreak(false);
setSectionBreak(false);
}
setNoBreak(v);
break;
}
if (v) {
LayoutBreak* lb = new LayoutBreak(score());
lb->setLayoutBreakType(type);
lb->setTrack(-1); // this are system elements
lb->setParent(this);
score()->undoAddElement(lb);
}
cleanupLayoutBreaks(true);
}
qreal MeasureBase::pause() const
{
return sectionBreak() ? sectionBreakElement()->pause() : 0.0;
}
