static VALUE
rbclt_model_iter_set (int argc, VALUE *argv, VALUE self)
{
ClutterModel *model;
int state = 0;
GetData data;
int i;
if ((argc & 1))
rb_raise (rb_eArgError, "wrong number of arguments "
"(paired arguments required)");
data.iter = CLUTTER_MODEL_ITER (RVAL2GOBJ (self));
model = clutter_model_iter_get_model (data.iter);
for (i = 0; i < argc && state == 0; i += 2)
{
data.column = NUM2UINT (argv[i]);
data.rvalue = argv[i + 1];
memset (&data.value, 0, sizeof (data.value));
g_value_init (&data.value, clutter_model_get_column_type (model,
data.column));
rb_protect (rbclt_model_iter_do_set, (VALUE) &data, &state);
g_value_unset (&data.value);
}
if (state)
rb_jump_tag (state);
return self;
}
static ClutterModelIter *
clutter_list_model_iter_copy (ClutterModelIter *iter)
{
ClutterListModelIter *iter_default;
ClutterListModelIter *iter_copy;
ClutterModel *model;
guint row;
iter_default = CLUTTER_LIST_MODEL_ITER (iter);
model = clutter_model_iter_get_model (iter);
row = clutter_model_iter_get_row (iter) - 1;
iter_copy = g_object_new (CLUTTER_TYPE_LIST_MODEL_ITER,
"model", model,
"row", row,
NULL);
/* this is safe, because the seq_iter pointer on the passed
* iterator will be always be overwritten in ::next or ::prev
*/
iter_copy->seq_iter = iter_default->seq_iter;
return CLUTTER_MODEL_ITER (iter_copy);
}
static void
gmc_video_model_iter_get_value (ClutterModelIter *iter,
guint column,
GValue *value)
{
ClutterModel *model;
GmcVideoModelPrivate *priv_model;
gchar *query, *string_value, *tmp;
guint row, uint_value, sort_column;
sqlite3_stmt *statement;
gint error_code;
GType type;
model = clutter_model_iter_get_model (iter);
row = clutter_model_iter_get_row (iter);
priv_model = GMC_VIDEO_MODEL_GET_PRIVATE (model);
query = g_strdup_printf ("SELECT %s FROM %s", clutter_model_get_column_name (model, column), TABLE);
sort_column = clutter_model_get_sorting_column (model);
if (sort_column != -1) {
tmp = g_strdup_printf ("%s ORDER BY %s", query, clutter_model_get_column_name (model, sort_column));
g_free (query);
query = tmp;
}
tmp = g_strdup_printf ("%s LIMIT %d, 1", query, row);
g_free (query);
query = tmp;
error_code = sqlite3_prepare_v2 (priv_model->sql, query, strlen (query), &statement, NULL);
g_free (query);
if (error_code != SQLITE_OK) {
g_critical ("%s [prepare] : %d - %s", G_STRFUNC, error_code, sqlite3_errmsg (priv_model->sql));
return;
}
error_code = sqlite3_step (statement);
if (error_code != SQLITE_ROW) {
g_critical ("%s [step] : %d - %s", G_STRFUNC, error_code, sqlite3_errmsg (priv_model->sql));
return;
}
type = clutter_model_get_column_type (model, column);
switch (type) {
case G_TYPE_STRING:
string_value = (gchar *) sqlite3_column_text (statement, 0);
g_value_set_string (value, string_value);
break;
case G_TYPE_UINT:
uint_value = sqlite3_column_int (statement, 0);
g_value_set_uint (value, uint_value);
break;
}
sqlite3_finalize (statement);
}
static void
gmc_video_model_iter_set_value (ClutterModelIter *iter,
guint column,
const GValue *value)
{
ClutterModel *model;
GmcVideoModelPrivate *priv_model;
const gchar *name;
gchar *query, *str_value;
sqlite3_stmt *statement;
gint error_code;
GType type;
GValue title_value = {0, };
model = clutter_model_iter_get_model (iter);
priv_model = GMC_VIDEO_MODEL_GET_PRIVATE (model);
name = clutter_model_get_column_name (model, column);
type = clutter_model_get_column_type (model, column);
switch (type) {
case G_TYPE_STRING:
str_value = g_strdup (g_value_get_string (value));
break;
case G_TYPE_UINT:
str_value = g_strdup_printf ("%u", g_value_get_uint (value));
break;
default:
g_warning ("%s : Invalid type", G_STRFUNC);
break;
}
clutter_model_iter_get_value (iter, 0, &title_value);
query = g_strdup_printf ("UPDATE %s SET %s = '%s' WHERE Title = '%s'", TABLE, name, str_value, g_value_get_string (&title_value));
error_code = sqlite3_prepare_v2 (priv_model->sql, query, strlen (query), &statement, NULL);
g_free (query);
if (error_code != SQLITE_OK) {
g_critical ("%s [prepare] : %d - %s", G_STRFUNC, error_code, sqlite3_errmsg (priv_model->sql));
return;
}
error_code = sqlite3_step (statement);
if (error_code != SQLITE_DONE) {
g_critical ("%s [step] : %d - %s", G_STRFUNC, error_code, sqlite3_errmsg (priv_model->sql));
return;
}
sqlite3_finalize (statement);
}
static VALUE
rbclt_model_iter_get (int argc, VALUE *argv, VALUE self)
{
ClutterModel *model;
int state = 0;
VALUE ret = Qnil;
GetData data;
data.iter = CLUTTER_MODEL_ITER (RVAL2GOBJ (self));
model = clutter_model_iter_get_model (data.iter);
if (argc == 1)
{
data.column = NUM2UINT (argv[0]);
memset (&data.value, 0, sizeof (data.value));
rb_protect (rbclt_model_iter_do_get, (VALUE) &data, &state);
g_value_unset (&data.value);
if (state == 0)
ret = data.rvalue;
}
else
{
int i;
ret = rb_ary_new ();
for (i = 0; i < argc; i++)
{
data.column = NUM2UINT (argv[i]);
memset (&data.value, 0, sizeof (data.value));
rb_protect (rbclt_model_iter_do_get, (VALUE) &data, &state);
g_value_unset (&data.value);
if (state)
break;
rb_ary_push (ret, data.rvalue);
}
}
if (state)
rb_jump_tag (state);
return ret;
}
static gboolean
clutter_list_model_iter_is_last (ClutterModelIter *iter)
{
ClutterListModelIter *iter_default;
ClutterModelIter *temp_iter;
ClutterModel *model;
GSequence *sequence;
GSequenceIter *begin, *end;
iter_default = CLUTTER_LIST_MODEL_ITER (iter);
g_assert (iter_default->seq_iter != NULL);
if (g_sequence_iter_is_end (iter_default->seq_iter))
return TRUE;
model = clutter_model_iter_get_model (iter);
sequence = CLUTTER_LIST_MODEL (model)->priv->sequence;
begin = g_sequence_get_end_iter (sequence);
begin = g_sequence_iter_prev (begin);
end = iter_default->seq_iter;
temp_iter = CLUTTER_LIST_MODEL (model)->priv->temp_iter;
while (!g_sequence_iter_is_begin (begin))
{
CLUTTER_LIST_MODEL_ITER (temp_iter)->seq_iter = begin;
if (clutter_model_filter_iter (model, temp_iter))
{
end = begin;
break;
}
begin = g_sequence_iter_prev (begin);
}
/* This is because the 'end_iter' is always *after* the last valid iter.
* Otherwise we'd have endless loops
*/
end = g_sequence_iter_next (end);
return iter_default->seq_iter == end;
}
static ClutterModelIter *
clutter_list_model_iter_prev (ClutterModelIter *iter)
{
ClutterListModelIter *iter_default;
ClutterModelIter *temp_iter;
ClutterModel *model;
GSequenceIter *filter_prev;
guint row;
iter_default = CLUTTER_LIST_MODEL_ITER (iter);
g_assert (iter_default->seq_iter != NULL);
model = clutter_model_iter_get_model (iter);
row = clutter_model_iter_get_row (iter);
filter_prev = g_sequence_iter_prev (iter_default->seq_iter);
g_assert (filter_prev != NULL);
temp_iter = CLUTTER_LIST_MODEL (model)->priv->temp_iter;
while (!g_sequence_iter_is_begin (filter_prev))
{
CLUTTER_LIST_MODEL_ITER (temp_iter)->seq_iter = filter_prev;
if (clutter_model_filter_iter (model, temp_iter))
{
row -= 1;
break;
}
filter_prev = g_sequence_iter_prev (filter_prev);
}
if (g_sequence_iter_is_begin (filter_prev))
row -= 1;
/* update the iterator and return it */
clutter_model_iter_set_row (CLUTTER_MODEL_ITER (iter_default), row);
iter_default->seq_iter = filter_prev;
return CLUTTER_MODEL_ITER (iter_default);
}
static void
print_iter (ClutterModelIter *iter,
const gchar *text)
{
ClutterModel *model;
gint i;
gchar *string;
model = clutter_model_iter_get_model (iter);
clutter_model_iter_get (iter, COLUMN_FOO, &i, COLUMN_BAR, &string, -1);
g_print ("[row:%02d]: %s: (%s: %d), (%s: %s)\n",
clutter_model_iter_get_row (iter),
text,
clutter_model_get_column_name (model, COLUMN_FOO), i,
clutter_model_get_column_name (model, COLUMN_BAR), string);
g_free (string);
}
static ClutterModelIter *
gmc_video_model_iter_next (ClutterModelIter *iter)
{
ClutterModel *model;
guint row, n_rows;
model = clutter_model_iter_get_model (iter);
row = clutter_model_iter_get_row (iter);
n_rows = clutter_model_get_n_rows (model);
g_object_unref (iter);
if (row == (n_rows - 1)) {
return NULL;
}
iter = g_object_new (GMC_TYPE_VIDEO_MODEL_ITER,
"model", model,
"row", row + 1,
NULL);
return iter;
}
