InstrumentListComponent::InstrumentListComponent (Sequencer* sequencer_) :
Component ("InstrumentListComponent"),
sequencer (sequencer_),
lastPattern (nullptr),
lastActiveInstrument (nullptr)
{
Pattern* pattern = sequencer->getPattern();
lastPattern = pattern;
int numInstruments = pattern->getNumInstruments();
for (int i = 0; i < numInstruments; i++) {
Instrument* instrument = pattern->getInstrumentAt (i);
InstrumentComponent* instrumentComponent = new InstrumentComponent (instrument);
addAndMakeVisible (instrumentComponent);
instrumentComponents.add (instrumentComponent);
}
for (int i = 0; i < numInstruments; i++) {
ToggleButton* btn = new ToggleButton ((String)i);
btn->setRadioGroupId (kRadioGroupId);
btn->setColour (ToggleButton::textColourId, Colours::white);
addAndMakeVisible (btn);
btn->addListener (this);
activeButtons.add (btn);
}
startTimer (100);
}
// Timer methods
void InstrumentListComponent::timerCallback()
{
Pattern* pattern = sequencer->getPattern();
if (sequencer->getPattern() != lastPattern) {
lastPattern = pattern;
for (int i = 0; i < pattern->getNumInstruments(); i++) {
Instrument* instrument = pattern->getInstrumentAt (i);
instrumentComponents[i]->setInstrument (instrument);
}
}
if (pattern->getActiveInstrument() != lastActiveInstrument) {
lastActiveInstrument = pattern->getActiveInstrument();
int i = lastActiveInstrument->getIndex();
activeButtons[i]->setToggleState (true, false);
}
}
void StateWriter::getState (MemoryBlock& destData)
{
DBG("StateWriter::getState(): Saving state.")
ValueTree settingsTree ("settings");
ValueTree libTree ("library");
libTree.setProperty ("threshold", library->getThreshold(), nullptr);
libTree.setProperty ("release", library->getReleaseTicks(), nullptr);
libTree.setProperty ("velocity", library->getVelocityScale(), nullptr);
settingsTree.addChild (libTree, -1, nullptr);
ValueTree patternsTree ("patterns");
for (int i = 0; i < library->getNumPatterns(); i++) {
Pattern* pattern = library->getPattern (i);
ValueTree patternTree ("pattern");
ValueTree instrumentsTree ("instruments");
for (int j = 0; j < pattern->getNumInstruments(); j++) {
Instrument* instrument = pattern->getInstrumentAt (j);
ValueTree instrumentTree ("instrument");
instrumentTree.setProperty ("index", instrument->getIndex(), nullptr);
instrumentTree.setProperty ("name", instrument->getName(), nullptr);
instrumentTree.setProperty ("noteNumber", instrument->getNoteNumber(), nullptr);
instrumentsTree.addChild (instrumentTree, -1, nullptr);
}
patternTree.addChild (instrumentsTree, -1, nullptr);
patternsTree.addChild (patternTree, -1, nullptr);
}
settingsTree.addChild (patternsTree, -1, nullptr);
ValueTree seqTree ("sequencer");
seqTree.setProperty ("sequencerNum", sequencer->getSequencerNum(), nullptr);
settingsTree.addChild (seqTree, -1, nullptr);
MemoryOutputStream stream (destData, false);
settingsTree.writeToStream (stream);
}