/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2006, 2008, 2009, 2010, 2011, 2012 Free Software Foundation
+ Copyright (C) 2006, 2008, 2009, 2010, 2011, 2012,
+ 2013, 2016, 2017 Free Software Foundation
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <stdlib.h>
#include <gettext.h>
#define _(msgid) gettext (msgid)
-#define N_(msgid) msgid
+#define P_(msgid) msgid
#include <data/datasheet.h>
#include <data/data-out.h>
#include "xalloc.h"
#include "xmalloca.h"
-
+#include "value-variant.h"
static void psppire_data_store_init (PsppireDataStore *data_store);
static void psppire_data_store_class_init (PsppireDataStoreClass *class);
enum
{
- BACKEND_CHANGED,
- CASES_DELETED,
- CASE_INSERTED,
+ ITEMS_CHANGED,
CASE_CHANGED,
n_SIGNALS
};
static guint signals [n_SIGNALS];
+static gint
+__tree_model_iter_n_children (GtkTreeModel *tree_model,
+ GtkTreeIter *iter)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ if (store->datasheet == NULL)
+ return 0;
+
+ gint n = datasheet_get_n_rows (store->datasheet);
+
+ return n;
+}
+
+static GtkTreeModelFlags
+__tree_model_get_flags (GtkTreeModel *model)
+{
+ g_return_val_if_fail (PSPPIRE_IS_DATA_STORE (model), (GtkTreeModelFlags) 0);
+
+ return GTK_TREE_MODEL_LIST_ONLY;
+}
+
+static gint
+__tree_model_get_n_columns (GtkTreeModel *tree_model)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ return psppire_dict_get_var_cnt (store->dict);
+}
+
+
+static gboolean
+__iter_nth_child (GtkTreeModel *tree_model,
+ GtkTreeIter *iter,
+ GtkTreeIter *parent,
+ gint n)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ g_assert (parent == NULL);
+ g_return_val_if_fail (store, FALSE);
+
+ if (!store->datasheet || n >= datasheet_get_n_rows (store->datasheet))
+ {
+ iter->stamp = -1;
+ iter->user_data = NULL;
+ return FALSE;
+ }
+
+ iter->user_data = GINT_TO_POINTER (n);
+ iter->stamp = store->stamp;
+
+ return TRUE;
+}
+
+gboolean
+myreversefunc (GtkTreeModel *model, gint col, gint row,
+ const gchar *in, GValue *out)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
+
+ while (col >= psppire_dict_get_var_cnt (store->dict))
+ {
+ const struct variable *var =
+ psppire_dict_insert_variable (store->dict,
+ psppire_dict_get_var_cnt (store->dict),
+ NULL);
+ g_return_val_if_fail (var, FALSE);
+ }
+
+ const struct variable *variable = psppire_dict_get_variable (store->dict, col);
+ g_return_val_if_fail (variable, FALSE);
+
+ const struct fmt_spec *fmt = var_get_print_format (variable);
+
+ int width = var_get_width (variable);
+
+ union value val;
+ value_init (&val, width);
+ char *xx =
+ data_in (ss_cstr (in), psppire_dict_encoding (store->dict),
+ fmt->type, &val, width, "UTF-8");
+
+ GVariant *vrnt = value_variant_new (&val, width);
+ value_destroy (&val, width);
+
+ g_value_init (out, G_TYPE_VARIANT);
+ g_value_set_variant (out, vrnt);
+ free (xx);
+ return TRUE;
+}
+
+static char *
+unlabeled_value (PsppireDataStore *store, const struct variable *variable, const union value *val)
+{
+ const struct fmt_spec *fmt = var_get_print_format (variable);
+ return data_out (val, psppire_dict_encoding (store->dict), fmt);
+}
+
+gchar *
+psppire_data_store_value_to_string (gpointer unused, PsppireDataStore *store, gint col, gint row, const GValue *v)
+{
+ const struct variable *variable = psppire_dict_get_variable (store->dict, col);
+ g_return_val_if_fail (variable, g_strdup ("???"));
+
+ GVariant *vrnt = g_value_get_variant (v);
+ union value val;
+ value_variant_get (&val, vrnt);
+
+ char *out = unlabeled_value (store, variable, &val);
+
+ value_destroy_from_variant (&val, vrnt);
+
+ return out;
+}
+
+gchar *
+psppire_data_store_value_to_string_with_labels (gpointer unused, PsppireDataStore *store, gint col, gint row, const GValue *v)
+{
+ const struct variable *variable = psppire_dict_get_variable (store->dict, col);
+ g_return_val_if_fail (variable, g_strdup ("???"));
+
+ GVariant *vrnt = g_value_get_variant (v);
+ union value val;
+ value_variant_get (&val, vrnt);
+
+ char *out = NULL;
+
+ const struct val_labs *vls = var_get_value_labels (variable);
+ struct val_lab *vl = val_labs_lookup (vls, &val);
+ if (vl != NULL)
+ out = strdup (val_lab_get_label (vl));
+ else
+ out = unlabeled_value (store, variable, &val);
+
+ value_destroy_from_variant (&val, vrnt);
+
+ return out;
+}
+
+static void
+__get_value (GtkTreeModel *tree_model,
+ GtkTreeIter *iter,
+ gint column,
+ GValue *value)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ g_return_if_fail (iter->stamp == store->stamp);
+
+ const struct variable *variable = psppire_dict_get_variable (store->dict, column);
+ if (NULL == variable)
+ return;
+
+ g_value_init (value, G_TYPE_VARIANT);
+
+ gint row = GPOINTER_TO_INT (iter->user_data);
+
+ struct ccase *cc = datasheet_get_row (store->datasheet, row);
+
+ const union value *val = case_data_idx (cc, var_get_case_index (variable));
+
+ GVariant *vv = value_variant_new (val, var_get_width (variable));
+
+ g_value_set_variant (value, vv);
+
+ case_unref (cc);
+}
+
+
+static void
+__tree_model_init (GtkTreeModelIface *iface)
+{
+ iface->get_flags = __tree_model_get_flags;
+ iface->get_n_columns = __tree_model_get_n_columns ;
+ iface->get_column_type = NULL;
+ iface->get_iter = NULL;
+ iface->iter_next = NULL;
+ iface->get_path = NULL;
+ iface->get_value = __get_value;
+
+ iface->iter_children = NULL;
+ iface->iter_has_child = NULL;
+ iface->iter_n_children = __tree_model_iter_n_children;
+ iface->iter_nth_child = __iter_nth_child;
+ iface->iter_parent = NULL;
+}
+
GType
psppire_data_store_get_type (void)
(GInstanceInitFunc) psppire_data_store_init,
};
+ static const GInterfaceInfo tree_model_info = {
+ (GInterfaceInitFunc) __tree_model_init,
+ NULL,
+ NULL
+ };
+
data_store_type = g_type_register_static (G_TYPE_OBJECT,
"PsppireDataStore",
&data_store_info, 0);
+
+ g_type_add_interface_static (data_store_type, GTK_TYPE_TREE_MODEL,
+ &tree_model_info);
}
return data_store_type;
object_class->finalize = psppire_data_store_finalize;
object_class->dispose = psppire_data_store_dispose;
- signals [BACKEND_CHANGED] =
- g_signal_new ("backend-changed",
- G_TYPE_FROM_CLASS (class),
- G_SIGNAL_RUN_FIRST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE,
- 0);
-
- signals [CASE_INSERTED] =
- g_signal_new ("case-inserted",
+ signals [ITEMS_CHANGED] =
+ g_signal_new ("items-changed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
- g_cclosure_marshal_VOID__INT,
+ psppire_marshal_VOID__UINT_UINT_UINT,
G_TYPE_NONE,
- 1,
- G_TYPE_INT);
-
+ 3,
+ G_TYPE_UINT, /* Index of the start of the change */
+ G_TYPE_UINT, /* The number of items deleted */
+ G_TYPE_UINT); /* The number of items inserted */
signals [CASE_CHANGED] =
g_signal_new ("case-changed",
G_TYPE_NONE,
1,
G_TYPE_INT);
-
- signals [CASES_DELETED] =
- g_signal_new ("cases-deleted",
- G_TYPE_FROM_CLASS (class),
- G_SIGNAL_RUN_FIRST,
- 0,
- NULL, NULL,
- psppire_marshal_VOID__INT_INT,
- G_TYPE_NONE,
- 2,
- G_TYPE_INT,
- G_TYPE_INT);
}
-static gboolean
-psppire_data_store_insert_value (PsppireDataStore *ds,
- gint width, gint where);
-
casenumber
psppire_data_store_get_case_count (const PsppireDataStore *store)
{
data_store->dict = NULL;
data_store->datasheet = NULL;
data_store->dispose_has_run = FALSE;
+ data_store->stamp = g_random_int ();
+}
+
+
+static void
+psppire_data_store_delete_value (PsppireDataStore *store, gint case_index)
+{
+ g_return_if_fail (store->datasheet);
+ datasheet_delete_columns (store->datasheet, case_index, 1);
+ datasheet_insert_column (store->datasheet, NULL, -1, case_index);
}
+
/*
A callback which occurs after a variable has been deleted.
*/
{
PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
+ psppire_data_store_delete_value (store, case_index);
+}
- datasheet_delete_columns (store->datasheet, case_index, 1);
- datasheet_insert_column (store->datasheet, NULL, -1, case_index);
+struct resize_datum_aux
+ {
+ const struct dictionary *dict;
+ const struct variable *new_variable;
+ const struct variable *old_variable;
+ };
+
+static void
+resize_datum (const union value *old, union value *new, const void *aux_)
+{
+ const struct resize_datum_aux *aux = aux_;
+ int new_width = var_get_width (aux->new_variable);
+ const char *enc = dict_get_encoding (aux->dict);
+ const struct fmt_spec *newfmt = var_get_print_format (aux->new_variable);
+ char *s = data_out (old, enc, var_get_print_format (aux->old_variable));
+ enum fmt_type type = (fmt_usable_for_input (newfmt->type)
+ ? newfmt->type
+ : FMT_DOLLAR);
+ free (data_in (ss_cstr (s), enc, type, new, new_width, enc));
+ free (s);
}
static void
-variable_changed_callback (GObject *obj, gint var_num, gpointer data)
+variable_changed_callback (GObject *obj, gint var_num, guint what, const struct variable *oldvar,
+ gpointer data)
{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
+ struct variable *variable = psppire_dict_get_variable (store->dict, var_num);
+
+ if (what & VAR_TRAIT_WIDTH)
+ {
+ int posn = var_get_case_index (variable);
+ struct resize_datum_aux aux;
+ aux.old_variable = oldvar;
+ aux.new_variable = variable;
+ aux.dict = store->dict->dict;
+ datasheet_resize_column (store->datasheet, posn, var_get_width (variable),
+ resize_datum, &aux);
+ }
}
static void
psppire_data_store_insert_value (store, var_get_width (variable), posn);
}
-struct resize_datum_aux
- {
- int old_width;
- int new_width;
- };
-
-
-void
-resize_datum (const union value *old, union value *new, void *aux_)
-{
- struct resize_datum_aux *aux = aux_;
-
- if (aux->new_width == 0)
- {
- /* FIXME: try to parse string as number. */
- new->f = SYSMIS;
- }
- else if (aux->old_width == 0)
- {
- /* FIXME: format number as string. */
- value_set_missing (new, aux->new_width);
- }
- else
- value_copy_rpad (new, aux->new_width, old, aux->old_width, ' ');
-}
-
-static void
-dict_size_change_callback (GObject *obj,
- gint var_num, gint old_width, gpointer data)
-{
- PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
- struct variable *variable;
- int posn;
-
- variable = psppire_dict_get_variable (store->dict, var_num);
- posn = var_get_case_index (variable);
-
- if (old_width != var_get_width (variable))
- {
- struct resize_datum_aux aux;
- aux.old_width = old_width;
- aux.new_width = var_get_width (variable);
- datasheet_resize_column (store->datasheet, posn, aux.new_width,
- resize_datum, &aux);
- }
-}
-
-
-
/**
* psppire_data_store_new:
* @dict: The dictionary for this data_store.
struct casereader *reader)
{
gint i;
-
+ gint old_n = 0;
if ( ds->datasheet)
- datasheet_destroy (ds->datasheet);
+ {
+ old_n = datasheet_get_n_rows (ds->datasheet);
+ datasheet_destroy (ds->datasheet);
+ }
ds->datasheet = datasheet_create (reader);
+ gint new_n = datasheet_get_n_rows (ds->datasheet);
+
if ( ds->dict )
for (i = 0 ; i < n_dict_signals; ++i )
{
}
}
- g_signal_emit (ds, signals[BACKEND_CHANGED], 0);
+ g_signal_emit (ds, signals[ITEMS_CHANGED], 0, 0, old_n, new_n);
}
g_signal_connect (dict, "variable-changed",
G_CALLBACK (variable_changed_callback),
data_store);
-
- data_store->dict_handler_id [SIZE_CHANGED] =
- g_signal_connect (dict, "dict-size-changed",
- G_CALLBACK (dict_size_change_callback),
- data_store);
}
static void
psppire_data_store_finalize (GObject *object)
{
+ PsppireDataStore *ds = PSPPIRE_DATA_STORE (object);
+
+ if (ds->datasheet)
+ {
+ datasheet_destroy (ds->datasheet);
+ ds->datasheet = NULL;
+ }
/* must chain up */
(* parent_class->finalize) (object);
if (ds->dispose_has_run)
return;
- if (ds->datasheet)
- {
- datasheet_destroy (ds->datasheet);
- ds->datasheet = NULL;
- }
+ psppire_data_store_set_dictionary (ds, NULL);
/* must chain up */
(* parent_class->dispose) (object);
return result;
}
+gboolean
+psppire_data_store_get_value (PsppireDataStore *store,
+ glong row, const struct variable *var,
+ union value *val)
+{
+ g_return_val_if_fail (store != NULL, FALSE);
+ g_return_val_if_fail (store->datasheet != NULL, FALSE);
+ g_return_val_if_fail (var != NULL, FALSE);
+
+ if (row < 0 || row >= datasheet_get_n_rows (store->datasheet))
+ return FALSE;
+
+ int width = var_get_width (var);
+ value_init (val, width);
+ datasheet_get_value (store->datasheet, row, var_get_case_index (var), val);
+
+ return TRUE;
+}
+
+
+
gchar *
psppire_data_store_get_string (PsppireDataStore *store,
glong row, const struct variable *var,
{
gchar *string;
union value v;
- int width;
-
- g_return_val_if_fail (store != NULL, NULL);
- g_return_val_if_fail (var != NULL, NULL);
-
- if (row < 0 || row >= datasheet_get_n_rows (store->datasheet))
+ int width = var_get_width (var);
+ if (! psppire_data_store_get_value (store, row, var, &v))
return NULL;
- width = var_get_width (var);
- value_init (&v, width);
- datasheet_get_value (store->datasheet, row, var_get_case_index (var), &v);
-
string = NULL;
if (use_value_label)
{
psppire_dict_clear (ds->dict);
- g_signal_emit (ds, signals [CASES_DELETED], 0, 0, -1);
+ g_signal_emit (ds, signals [ITEMS_CHANGED], 0, 0, -1, 0);
}
return reader;
}
-
-
-/* Column related funcs */
-
-
-static const gchar null_var_name[]=N_("var");
-
-
-\f
-
-
/* Returns the CASENUMth case, or a null pointer on failure.
*/
struct ccase *
datasheet_delete_rows (ds->datasheet, first, n_cases);
- g_signal_emit (ds, signals [CASES_DELETED], 0, first, n_cases);
+ g_signal_emit (ds, signals[ITEMS_CHANGED], 0, first, n_cases, 0);
return TRUE;
}
result = datasheet_insert_rows (ds->datasheet, posn, &cc, 1);
if ( result )
- g_signal_emit (ds, signals [CASE_INSERTED], 0, posn);
+ {
+ g_signal_emit (ds, signals[ITEMS_CHANGED], 0, posn, 0, 1);
+ }
else
g_warning ("Cannot insert case at position %ld\n", posn);
ok = datasheet_put_value (ds->datasheet, casenum, var_get_case_index (var),
v);
if (ok)
- g_signal_emit (ds, signals [CASE_CHANGED], 0, casenum);
+ {
+ g_signal_emit (ds, signals [CASE_CHANGED], 0, casenum);
+ g_signal_emit (ds, signals [ITEMS_CHANGED], 0, casenum, 1, 1);
+ }
return ok;
}
given WIDTH into every one of them at the position immediately
preceding WHERE.
*/
-static gboolean
+gboolean
psppire_data_store_insert_value (PsppireDataStore *ds,
gint width, gint where)
{