/**
* vik_layers_panel_add_layer:
* @l: existing layer
*
* Add an existing layer to panel.
*/
void vik_layers_panel_add_layer ( VikLayersPanel *vlp, VikLayer *l )
{
GtkTreeIter iter;
GtkTreeIter *replace_iter = NULL;
/* could be something different so we have to do this */
vik_layer_change_coord_mode ( l, vik_viewport_get_coord_mode(vlp->vvp) );
if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
vik_aggregate_layer_add_layer ( vlp->toplayer, l );
else
{
VikAggregateLayer *addtoagg;
if (vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
{
if ( IS_VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) )
addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter ));
else {
VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
while ( ! IS_VIK_AGGREGATE_LAYER(vl) ) {
iter = vl->iter;
vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &vl->iter ));
g_assert ( vl->realized );
}
addtoagg = VIK_AGGREGATE_LAYER(vl);
replace_iter = &iter;
}
}
else
{
/* a sublayer is selected, first get its parent (layer), then find the layer's parent (aggr. layer) */
VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
replace_iter = &(vl->iter);
g_assert ( vl->realized );
VikLayer *grandpa = (vik_treeview_item_get_parent ( vlp->vt, &(vl->iter) ) );
if (IS_VIK_AGGREGATE_LAYER(grandpa))
addtoagg = VIK_AGGREGATE_LAYER(grandpa);
else {
addtoagg = vlp->toplayer;
replace_iter = &grandpa->iter;
}
}
if ( replace_iter )
vik_aggregate_layer_insert_layer ( addtoagg, l, replace_iter );
else
vik_aggregate_layer_add_layer ( addtoagg, l );
}
vik_layers_panel_emit_update ( vlp );
}
static void aggregate_layer_drag_drop_request ( VikAggregateLayer *val_src, VikAggregateLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
{
VikTreeview *vt = VIK_LAYER(val_src)->vt;
VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
GtkTreeIter dest_iter;
gchar *dp;
gboolean target_exists;
dp = gtk_tree_path_to_string(dest_path);
target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
/* vik_aggregate_layer_delete unrefs, but we don't want that here.
* we're still using the layer. */
g_object_ref ( vl );
vik_aggregate_layer_delete(val_src, src_item_iter);
if (target_exists) {
vik_aggregate_layer_insert_layer(val_dest, vl, &dest_iter);
} else {
vik_aggregate_layer_insert_layer(val_dest, vl, NULL); /* append */
}
g_free(dp);
}