void vik_layers_panel_delete_selected ( VikLayersPanel *vlp )
{
gint type;
GtkTreeIter iter;
if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
/* Nothing to do */
return;
type = vik_treeview_item_get_type ( vlp->vt, &iter );
if ( type == VIK_TREEVIEW_TYPE_LAYER )
{
// Get confirmation from the user
if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(vlp),
_("Are you sure you want to delete %s?"),
vik_layer_get_name ( VIK_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) ) ) )
return;
VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter );
if ( parent )
{
/* reset trigger if trigger deleted */
if ( vik_layers_panel_get_selected ( vlp ) == vik_viewport_get_trigger ( vlp->vvp ) )
vik_viewport_set_trigger ( vlp->vvp, NULL );
if (IS_VIK_AGGREGATE_LAYER(parent)) {
if ( vik_aggregate_layer_delete ( parent, &iter ) )
vik_layers_panel_emit_update ( vlp );
}
}
else
a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("You cannot delete the Top Layer.") );
}
else if (type == VIK_TREEVIEW_TYPE_SUBLAYER) {
VikLayer *sel = vik_layers_panel_get_selected ( vlp );
if ( vik_layer_get_interface(sel->type)->delete_item ) {
gint subtype = vik_treeview_item_get_data( vlp->vt, &iter);
vik_layer_get_interface(sel->type)->delete_item ( sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter) );
}
}
}
/* Draw the aggregate layer. If vik viewport is in half_drawn mode, this means we are only
* to draw the layers above and including the trigger layer.
* To do this we don't draw any layers if in half drawn mode, unless we find the
* trigger layer, in which case we pull up the saved pixmap, turn off half drawn mode and
* start drawing layers.
* Also, if we were never in half drawn mode, we save a snapshot
* of the pixmap before drawing the trigger layer so we can use it again
* later.
*/
void vik_aggregate_layer_draw ( VikAggregateLayer *val, VikViewport *vp )
{
GList *iter = val->children;
VikLayer *vl;
VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( vp ));
while ( iter ) {
vl = VIK_LAYER(iter->data);
if ( vl == trigger ) {
if ( vik_viewport_get_half_drawn ( vp ) ) {
vik_viewport_set_half_drawn ( vp, FALSE );
vik_viewport_snapshot_load( vp );
} else {
vik_viewport_snapshot_save( vp );
}
}
if ( vl->type == VIK_LAYER_AGGREGATE || vl->type == VIK_LAYER_GPS || ! vik_viewport_get_half_drawn( vp ) )
vik_layer_draw ( vl, vp );
iter = iter->next;
}
}
void vik_layers_panel_cut_selected ( VikLayersPanel *vlp )
{
gint type;
GtkTreeIter iter;
if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
/* Nothing to do */
return;
type = vik_treeview_item_get_type ( vlp->vt, &iter );
if ( type == VIK_TREEVIEW_TYPE_LAYER )
{
VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter );
if ( parent )
{
/* reset trigger if trigger deleted */
if ( vik_layers_panel_get_selected ( vlp ) == vik_viewport_get_trigger ( vlp->vvp ) )
vik_viewport_set_trigger ( vlp->vvp, NULL );
a_clipboard_copy_selected ( vlp );
if (IS_VIK_AGGREGATE_LAYER(parent)) {
if ( vik_aggregate_layer_delete ( parent, &iter ) )
vik_layers_panel_emit_update ( vlp );
}
}
else
a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("You cannot cut the Top Layer.") );
}
else if (type == VIK_TREEVIEW_TYPE_SUBLAYER) {
VikLayer *sel = vik_layers_panel_get_selected ( vlp );
if ( vik_layer_get_interface(sel->type)->cut_item ) {
gint subtype = vik_treeview_item_get_data( vlp->vt, &iter);
vik_layer_get_interface(sel->type)->cut_item ( sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter) );
}
}
}
