void QgsComposerModel::setItemRemoved( QgsComposerItem *item )
{
if ( !item )
{
//nothing to do
return;
}
int pos = mItemZList.indexOf( item );
if ( pos == -1 )
{
//item not in z list, nothing to do
return;
}
//need to get QModelIndex of item
QModelIndex itemIndex = indexForItem( item );
if ( !itemIndex.isValid() )
{
return;
}
//removing item
int row = itemIndex.row();
beginRemoveRows( QModelIndex(), row, row );
item->setIsRemoved( true );
refreshItemsInScene();
endRemoveRows();
}
bool QgsComposerModel::reorderItemToBottom( QgsComposerItem *item )
{
if ( !item || !mItemsInScene.contains( item ) )
{
return false;
}
if ( mItemsInScene.last() == item )
{
//item is already lowest item present in scene, nothing to do
return false;
}
//move item in z list
QMutableListIterator<QgsComposerItem *> it( mItemZList );
if ( it.findNext( item ) )
{
it.remove();
}
mItemZList.push_back( item );
//also move item in scene items z list and notify of model changes
QModelIndex itemIndex = indexForItem( item );
if ( !itemIndex.isValid() )
{
return true;
}
//move item to bottom
int row = itemIndex.row();
beginMoveRows( QModelIndex(), row, row, QModelIndex(), rowCount() );
refreshItemsInScene();
endMoveRows();
return true;
}
void QgsComposerModel::removeItem( QgsComposerItem *item )
{
if ( !item )
{
//nothing to do
return;
}
int pos = mItemZList.indexOf( item );
if ( pos == -1 )
{
//item not in z list, nothing to do
return;
}
//need to get QModelIndex of item
QModelIndex itemIndex = indexForItem( item );
if ( !itemIndex.isValid() )
{
//removing an item not in the scene (e.g., deleted item)
//we need to remove it from the list, but don't need to call
//beginRemoveRows or endRemoveRows since the item was not used by the model
mItemZList.removeAt( pos );
refreshItemsInScene();
return;
}
//remove item from model
int row = itemIndex.row();
beginRemoveRows( QModelIndex(), row, row );
mItemZList.removeAt( pos );
refreshItemsInScene();
endRemoveRows();
}
void RegisterHandler::setNumberFormat(const QByteArray &name, RegisterFormat format)
{
RegisterItem *reg = m_registerByName.value(name, 0);
QTC_ASSERT(reg, return);
reg->m_format = format;
QModelIndex index = indexForItem(reg);
emit dataChanged(index, index);
}
bool QgsComposerModel::reorderItemDown( QgsComposerItem *item )
{
if ( !item )
{
return false;
}
if ( mItemsInScene.last() == item )
{
//item is already lowest item present in scene, nothing to do
return false;
}
//move item in z list
QMutableListIterator<QgsComposerItem *> it( mItemZList );
if ( ! it.findNext( item ) )
{
//can't find item in z list, nothing to do
return false;
}
it.remove();
while ( it.hasNext() )
{
//search through item z list to find next item which is present in the scene
//(deleted items still exist in the z list so that they can be restored to their correct stacking order,
//but since they are not in the scene they should be ignored here)
it.next();
if ( it.value() && !( it.value()->isRemoved() ) )
{
break;
}
}
it.insert( item );
//also move item in scene items z list and notify of model changes
QModelIndex itemIndex = indexForItem( item );
if ( !itemIndex.isValid() )
{
return true;
}
//move item down in scene list
int row = itemIndex.row();
beginMoveRows( QModelIndex(), row, row, QModelIndex(), row + 2 );
refreshItemsInScene();
endMoveRows();
return true;
}
void QgsComposerModel::updateItemSelectStatus( QgsComposerItem *item )
{
if ( !item )
{
//nothing to do
return;
}
//need to get QModelIndex of item
QModelIndex itemIndex = indexForItem( item, ItemId );
if ( !itemIndex.isValid() )
{
return;
}
//emit signal for item visibility change
emit dataChanged( itemIndex, itemIndex );
}
void QgsComposerModel::updateItemLockStatus( QgsComposerItem *item )
{
if ( !item )
{
//nothing to do
return;
}
//need to get QModelIndex of item
QModelIndex itemIndex = indexForItem( item, LockStatus );
if ( !itemIndex.isValid() )
{
return;
}
//emit signal for item lock status change
emit dataChanged( itemIndex, itemIndex );
}
void QgsComposerModel::updateItemDisplayName( QgsComposerItem *item )
{
if ( !item )
{
//nothing to do
return;
}
//need to get QModelIndex of item
QModelIndex itemIndex = indexForItem( item, ItemId );
if ( !itemIndex.isValid() )
{
return;
}
//emit signal for item id change
emit dataChanged( itemIndex, itemIndex );
}
