move samplees to other buttons

src/buttonmanageritems.cpp

@@ -407,6 +407,7 @@ void SampleItem::moveUp() {
 	setExpanded(wasexpanded);
 
 	pos--;
+	updatePosition();
 }
 
 void SampleItem::moveDown() {
@@ -462,8 +463,38 @@ void SampleItem::moveToButtonAbove() {
 	pos = newbuttonconf.size()-1;
 
 	setExpanded(wasExpanded);
+	mparent->setExpanded(true);
+
+	updatePosition();
 }
 
 void SampleItem::moveToButtonBelow() {
+	ButtonItem* buttonbelow = getParent<ButtonItem>()->getItemBelow<ButtonItem>();
+	if(!buttonbelow) {
+		buttonbelow = getParent<ButtonItem>()->getParent<RowItem>()->getItemBelow<RowItem>()->getChild<ButtonItem>(0);
+	}
 
+	// apply change in config
+	auto& buttonConf = getParent<ButtonItem>()->getConfig().samples;
+	auto& newButtonconf = buttonbelow->getConfig().samples;
+
+	newButtonconf.insert(newButtonconf.begin(), buttonConf.back());
+	buttonConf.erase(buttonConf.end());
+
+	// remove button from this row and attach to other
+	bool wasExpanded = isExpanded();
+	getParent<ButtonItem>()->removeChild(this);
+
+	buttonbelow->insertChild(0, this);
+	//update local parent
+	mparent = buttonbelow;
+
+	//update local pos
+	pos = 0;
+
+	//update new buttons below
+	reenumerateAllSiblings();
+
+	setExpanded(wasExpanded);
+	mparent->setExpanded(true);
 }