void CtrlTree::onUpdate( Subject<VarTree, tree_update> &rTree,
tree_update *arg )
{
if( arg->type == arg->UpdateItem ) // Item update
{
if( arg->b_active_item )
autoScroll();
if( isItemVisible( arg->i_id ) )
{
makeImage();
notifyLayout();
}
}
else if ( arg->type == arg->ResetAll ) // Global change or deletion
{
m_firstPos = m_flat ? m_rTree.firstLeaf() : m_rTree.begin();
makeImage();
notifyLayout();
}
else if ( arg->type == arg->AppendItem ) // Item-append
{
if( m_flat && m_firstPos->size() )
{
m_firstPos = m_rTree.getNextLeaf( m_firstPos );
makeImage();
notifyLayout();
}
else if( isItemVisible( arg->i_id ) )
{
makeImage();
notifyLayout();
}
}
else if( arg->type == arg->DeleteItem ) // item-del
{
/* Make sure firstPos is valid */
VarTree::Iterator it_old = m_firstPos;
while( m_firstPos->isDeleted() &&
m_firstPos != (m_flat ? m_rTree.firstLeaf()
: m_rTree.begin()) )
{
m_firstPos = m_flat ? m_rTree.getPrevLeaf( m_firstPos )
: m_rTree.getPrevVisibleItem( m_firstPos );
}
if( m_firstPos->isDeleted() )
m_firstPos = m_rTree.begin();
if( m_firstPos != it_old || isItemVisible( arg->i_id ) )
{
makeImage();
notifyLayout();
}
}
}
void StackLayout::processLine(uint8_t *pixelData, int dataOffset)
{
if (itemNr < 0)
return;
if (itemScanLine >= getItemHeight(itemNr)) {
itemScanLine = 0;
if (--itemNr < 0)
return;
currentNumberWidth = getNumberWidth(itemNr + firstLevelVisible);
}
DisplayItem *item = NULL;
if (itemNr < getItems().getLength())
item = getItems().getAt(itemNr);
if (itemScanLine == 0 && item) {
if (drawOffsetX <= item->getX())
item->initLineScanning(0, 0, drawWidth - item->getX());
else
item->initLineScanning(0, drawOffsetX - item->getX(), drawWidth);
}
if (itemNr > 0)
drawNumber(pixelData, dataOffset, itemNr + firstLevelVisible);
if (item != NULL && isItemVisible(item)) {
if (itemScanLine < item->getHeight()) {
if (drawOffsetX <= item->getX())
item->processLine(pixelData, dataOffset + item->getX() - drawOffsetX);
else
item->processLine(pixelData, dataOffset);
}
}
itemScanLine++;
}
void StackLayout::doRelayout()
{
const List<DisplayItem *> &items = getItems();
DisplayItem *inputField = items.getAt(0);
int bottom;
if (isItemVisible(inputField)) {
setItemSize(inputField, getWidth(), font->getLineHeight());
bottom = getHeight() - inputField->getHeight();
setItemPosition(inputField, 0, bottom);
}
else {
bottom = getHeight();
}
int i = 0;
upperItemNr = 0;
while (bottom > 0 && i + firstLevelVisible < stack->getLength()) {
upperItemNr++;
DisplayItem *item;
if (items.getLength() <= upperItemNr) {
item = stack->getAt(i + firstLevelVisible)->getDisplayItem(*font);
addItem(item);
}
else {
item = items.getAt(upperItemNr);
if (item == NULL) {
item = stack->getAt(i + firstLevelVisible)->getDisplayItem(*font);
setItemAt(upperItemNr, item);
}
}
if (item) {
int nw = getNumberWidth(upperItemNr + firstLevelVisible);
setItemSize(item, getWidth() - nw, -1);
int h = item->getHeight();
if (h < font->getLineHeight())
h = font->getLineHeight();
bottom -= h;
int w = item->getWidth();
if (w < getWidth() - nw)
setItemPosition(item, getWidth() - w, bottom);
else
setItemPosition(item, nw, bottom);
}
else {
bottom -= font->getLineHeight();
}
i++;
}
while (items.getLength() > upperItemNr + 1) {
removeItemAt(upperItemNr + 1);
}
while (bottom > 0) {
upperItemNr++;
bottom -= font->getLineHeight();
}
upperItemScanStart = -bottom;
}
void CtrlTree::onUpdate( Subject<VarTree, tree_update> &rTree,
tree_update *arg )
{
(void)rTree;
if( arg->type == arg->ItemInserted )
{
if( isItemVisible( arg->it ) )
{
makeImage();
notifyLayout();
}
setSliderFromFirst();
}
else if( arg->type == arg->ItemUpdated )
{
if( arg->it->isPlaying() )
{
m_rTree.ensureExpanded( arg->it );
ensureVisible( arg->it );
makeImage();
notifyLayout();
setSliderFromFirst();
}
else if( isItemVisible( arg->it ) )
{
makeImage();
notifyLayout();
}
}
else if( arg->type == arg->DeletingItem )
{
if( isItemVisible( arg->it ) )
m_bRefreshOnDelete = true;
// remove all references to arg->it
// if it is the one about to be deleted
if( m_firstPos == arg->it )
{
m_firstPos = getNearestItem( arg->it );
}
if( m_lastClicked == arg->it )
{
m_lastClicked = getNearestItem( arg->it );
m_lastClicked->setSelected( arg->it->isSelected() );
}
}
else if( arg->type == arg->ItemDeleted )
{
if( m_bRefreshOnDelete )
{
m_bRefreshOnDelete = false;
makeImage();
notifyLayout();
}
setSliderFromFirst();
}
else if( arg->type == arg->ResetAll )
{
m_lastClicked = m_rTree.end();
m_firstPos = getFirstFromSlider();
makeImage();
notifyLayout();
setSliderFromFirst();
}
else if( arg->type == arg->SliderChanged )
{
Iterator it = getFirstFromSlider();
if( m_firstPos != it )
{
m_firstPos = it;
makeImage();
notifyLayout();
}
}
}
