static void
gv_shapes_finalize(GObject *gobject)
{
GvShapes *shapes = GV_SHAPES(gobject);
int i;
if (shapes->shapes != NULL) {
for( i = 0; i < gv_shapes_num_shapes(shapes); i++ )
{
if( gv_shapes_get_shape(shapes, i) != NULL )
gv_shape_unref( gv_shapes_get_shape(shapes, i) );
}
g_ptr_array_free(shapes->shapes,TRUE);
shapes->shapes = NULL;
}
#ifdef HAVE_OGR
if (shapes->hOGRds != NULL)
OGR_DS_Destroy( shapes->hOGRds );
#endif
/* Call parent class finalize */
G_OBJECT_CLASS(parent_class)->finalize(gobject);
}
static void
gv_shapes_set_memento(GvData *gv_data, GvDataMemento *data_memento)
{
GvShapes *shapes = GV_SHAPES(gv_data);
GvShapesMemento *memento = (GvShapesMemento *) data_memento;
switch (memento->base.type)
{
case GV_CHANGE_ADD:
gv_shapes_delete_shapes(shapes, memento->ids->len,
(gint*)memento->ids->data);
break;
case GV_CHANGE_REPLACE:
gv_shapes_replace_shapes(shapes, memento->ids->len,
(gint*)memento->ids->data,
(GvShape **)memento->shapes->pdata,
TRUE);
break;
case GV_CHANGE_DELETE:
gv_shapes_insert_shapes(shapes, memento->ids->len,
(gint*)memento->ids->data,
(GvShape **)memento->shapes->pdata);
break;
}
gv_shapes_del_memento((GvData *) shapes, (GvDataMemento *) memento);
}
static void
gv_shapes_changed(GvData *gv_data, gpointer data)
{
GvShapes *shapes = GV_SHAPES(gv_data);
shapes->extents_valid = FALSE;
}
static void
gv_shapes_get_memento(GvData *gv_data, gpointer data,
GvDataMemento **memento)
{
GvShapes *shapes = GV_SHAPES(gv_data);
GvShapesMemento *mem;
GvShapeChangeInfo *info = (GvShapeChangeInfo *) data;
int i;
mem = g_new(GvShapesMemento, 1);
mem->base.data = GV_DATA(shapes);
mem->base.type = info->change_type;
mem->ids = g_array_new(FALSE, FALSE, sizeof(gint));
g_array_append_vals(mem->ids, info->shape_id, info->num_shapes);
/* Grab in ascending order */
if (info->num_shapes > 1)
{
g_sort_type(mem->ids->data, gint, mem->ids->len);
}
if (info->change_type == GV_CHANGE_ADD)
{
mem->shapes = NULL;
}
else
{
mem->shapes = g_ptr_array_new();
for (i=0; i < info->num_shapes; ++i)
{
GvShape *shape = gv_shapes_get_shape(shapes,info->shape_id[i]);
shape = gv_shape_copy( shape );
gv_shape_ref( shape );
g_ptr_array_add(mem->shapes, shape );
}
}
*memento = (GvDataMemento*)mem;
}
//static int _gv_loadLayer_cb(const char *filename, GvData *data)
static int _gv_loadLayer_cb(const char *filename, void *data)
// callback to load this data into GV layer
// we need this all the way up here because of GvViewArea
{
//GvShapesLayer *gvlayer = (GvShapesLayer *)data;
GvShapes *shapes_data = GV_SHAPES(data);
GvViewArea *view = GV_VIEW_AREA(VecView);
GObject *layer = NULL;
//gv_data_set_property(GV_DATA(shape_data), "_filename", _filename);
gv_data_set_property(GV_DATA(shapes_data), "_ogr_driver_name", DRVNAME);
gv_undo_register_data(GV_DATA(shapes_data));
layer = gv_shapes_layer_new(shapes_data);
gv_view_area_add_layer (view, layer);
gv_view_area_set_active_layer(view, layer);
return 1;
}