/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2006, 2008 Free Software Foundation
+ Copyright (C) 2006, 2008, 2009 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 <data/data-out.h>
#include <data/variable.h>
-#include <gtksheet/gsheetmodel.h>
+#include <ui/gui/sheet/psppire-sheetmodel.h>
+#include <ui/gui/psppire-marshal.h>
#include <pango/pango-context.h>
#include "psppire-data-store.h"
-#include "psppire-case-file.h"
#include "helper.h"
#include <data/dictionary.h>
#include <data/data-in.h>
#include <data/format.h>
+#include <math/sort.h>
+
+#include "xalloc.h"
+#include "xmalloca.h"
+
+
static void psppire_data_store_init (PsppireDataStore *data_store);
static void psppire_data_store_class_init (PsppireDataStoreClass *class);
-static void psppire_data_store_sheet_model_init (GSheetModelIface *iface);
+static void psppire_data_store_sheet_model_init (PsppireSheetModelIface *iface);
static void psppire_data_store_finalize (GObject *object);
static void psppire_data_store_dispose (GObject *object);
-static gboolean psppire_data_store_clear_datum (GSheetModel *model,
+static gboolean psppire_data_store_clear_datum (PsppireSheetModel *model,
glong row, glong column);
+static gboolean psppire_data_store_insert_case (PsppireDataStore *ds,
+ struct ccase *cc,
+ casenumber posn);
+
+
+static gboolean psppire_data_store_data_in (PsppireDataStore *ds,
+ casenumber casenum, gint idx,
+ struct substring input,
+ const struct fmt_spec *fmt);
+
+
+
static GObjectClass *parent_class = NULL;
-enum {FONT_CHANGED,
- BACKEND_CHANGED,
- n_SIGNALS};
+enum
+ {
+ BACKEND_CHANGED,
+ CASES_DELETED,
+ CASE_INSERTED,
+ CASE_CHANGED,
+ n_SIGNALS
+ };
static guint signals [n_SIGNALS];
};
- data_store_type = g_type_register_static (G_TYPE_OBJECT, "PsppireDataStore",
+ data_store_type = g_type_register_static (G_TYPE_OBJECT,
+ "PsppireDataStore",
&data_store_info, 0);
g_type_add_interface_static (data_store_type,
- G_TYPE_SHEET_MODEL,
+ PSPPIRE_TYPE_SHEET_MODEL,
&sheet_model_info);
}
object_class->finalize = psppire_data_store_finalize;
object_class->dispose = psppire_data_store_dispose;
- signals [FONT_CHANGED] =
- g_signal_new ("font_changed",
+ signals [BACKEND_CHANGED] =
+ g_signal_new ("backend-changed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
G_TYPE_NONE,
0);
+ signals [CASE_INSERTED] =
+ g_signal_new ("case-inserted",
+ G_TYPE_FROM_CLASS (class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_INT);
- signals [BACKEND_CHANGED] =
- g_signal_new ("backend-changed",
+
+ signals [CASE_CHANGED] =
+ g_signal_new ("case-changed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
+ g_cclosure_marshal_VOID__INT,
G_TYPE_NONE,
- 0);
+ 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_values (PsppireDataStore *ds,
+ gint n_values, gint where);
+
+static union value *
+psppire_data_store_get_value (const PsppireDataStore *ds,
+ casenumber casenum, size_t idx,
+ union value *value, int width);
+
+
+static gboolean
+psppire_data_store_set_value (PsppireDataStore *ds, casenumber casenum,
+ gint idx, union value *v, gint width);
+
+
+
+
static glong
-psppire_data_store_get_var_count (const GSheetModel *model)
+psppire_data_store_get_var_count (const PsppireSheetModel *model)
{
const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
casenumber
psppire_data_store_get_case_count (const PsppireDataStore *store)
{
- return psppire_case_file_get_case_count (store->case_file);
+ return datasheet_get_row_cnt (store->datasheet);
}
size_t
return psppire_dict_get_value_cnt (store->dict);
}
-casenumber
-psppire_data_store_get_case_count_wrapper (const GSheetModel *model)
+static casenumber
+psppire_data_store_get_case_count_wrapper (const PsppireSheetModel *model)
{
const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
return psppire_data_store_get_case_count (store);
psppire_data_store_init (PsppireDataStore *data_store)
{
data_store->dict = 0;
- data_store->case_file = NULL;
- data_store->width_of_m = 10;
+ data_store->datasheet = NULL;
data_store->dispose_has_run = FALSE;
}
-const PangoFontDescription *
-psppire_data_store_get_font_desc (const GSheetModel *model,
- glong row, glong column)
-{
- PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
-
- return store->font_desc;
-}
-
static inline gchar *
-psppire_data_store_get_string_wrapper (const GSheetModel *model, glong row,
+psppire_data_store_get_string_wrapper (const PsppireSheetModel *model, glong row,
glong column)
{
return psppire_data_store_get_string (PSPPIRE_DATA_STORE (model), row, column);
static inline gboolean
-psppire_data_store_set_string_wrapper (GSheetModel *model,
+psppire_data_store_set_string_wrapper (PsppireSheetModel *model,
const gchar *text,
glong row, glong column)
{
-static gchar * get_column_subtitle (const GSheetModel *model, gint col);
-static gchar * get_column_button_label (const GSheetModel *model, gint col);
-static gboolean get_column_sensitivity (const GSheetModel *model, gint col);
-static GtkJustification get_column_justification (const GSheetModel *model, gint col);
+static gchar * get_column_subtitle (const PsppireSheetModel *model, gint col);
+static gchar * get_column_button_label (const PsppireSheetModel *model, gint col);
+static gboolean get_column_sensitivity (const PsppireSheetModel *model, gint col);
+static GtkJustification get_column_justification (const PsppireSheetModel *model, gint col);
-static gchar * get_row_button_label (const GSheetModel *model, gint row);
-static gboolean get_row_sensitivity (const GSheetModel *model, gint row);
+static gchar * get_row_button_label (const PsppireSheetModel *model, gint row);
+static gboolean get_row_sensitivity (const PsppireSheetModel *model, gint row);
static void
-psppire_data_store_sheet_model_init (GSheetModelIface *iface)
+psppire_data_store_sheet_model_init (PsppireSheetModelIface *iface)
{
iface->free_strings = TRUE;
iface->get_string = psppire_data_store_get_string_wrapper;
iface->set_string = psppire_data_store_set_string_wrapper;
iface->clear_datum = psppire_data_store_clear_datum;
iface->is_editable = NULL;
- iface->is_visible = NULL;
iface->get_foreground = NULL;
iface->get_background = NULL;
- iface->get_font_desc = psppire_data_store_get_font_desc;
- iface->get_cell_border = NULL;
iface->get_column_count = psppire_data_store_get_var_count;
iface->get_row_count = psppire_data_store_get_case_count_wrapper;
iface->get_row_sensitivity = get_row_sensitivity;
}
-static void
-delete_cases_callback (GtkWidget *w,
- casenumber first, casenumber n_cases, gpointer data)
-{
- PsppireDataStore *store ;
-
- g_return_if_fail (data);
-
- store = PSPPIRE_DATA_STORE (data);
-
- g_assert (first >= 0);
-
- g_sheet_model_rows_deleted (G_SHEET_MODEL (store), first, n_cases);
-}
-
-
-static void
-insert_case_callback (GtkWidget *w, casenumber casenum, gpointer data)
-{
- PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
-
- g_return_if_fail (data);
-
- g_print ("%s\n", __FUNCTION__);
-
- g_sheet_model_range_changed (G_SHEET_MODEL (store),
- casenum, -1,
- psppire_case_file_get_case_count (store->case_file),
- -1);
-
- g_sheet_model_rows_inserted (G_SHEET_MODEL (store), casenum, 1);
-}
-
-
-static void
-changed_case_callback (GtkWidget *w, gint casenum, gpointer data)
-{
- PsppireDataStore *store ;
- g_return_if_fail (data);
-
- store = PSPPIRE_DATA_STORE (data);
-
- g_sheet_model_range_changed (G_SHEET_MODEL (store),
- casenum, -1,
- casenum, -1);
-}
-
/*
A callback which occurs after a variable has been deleted.
{
PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
+
+ psppire_sheet_model_columns_deleted (PSPPIRE_SHEET_MODEL (store), dict_index, 1);
#if AXIS_TRANSITION
- g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
- g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
+
+ psppire_sheet_column_columns_changed (PSPPIRE_SHEET_COLUMN (store),
dict_index, -1);
#endif
}
+
static void
variable_changed_callback (GObject *obj, gint var_num, gpointer data)
{
PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
#if AXIS_TRANSITION
- g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
+ psppire_sheet_column_columns_changed (PSPPIRE_SHEET_COLUMN (store),
var_num, 1);
- g_sheet_model_range_changed (G_SHEET_MODEL (store),
+ psppire_sheet_model_range_changed (PSPPIRE_SHEET_MODEL (store),
-1, var_num,
-1, var_num);
#endif
posn = 0;
}
- psppire_case_file_insert_values (store->case_file, 1, posn);
+ psppire_data_store_insert_values (store, 1, posn);
#if AXIS_TRANSITION
- g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
+
+ psppire_sheet_column_columns_changed (PSPPIRE_SHEET_COLUMN (store),
var_num, 1);
#endif
- g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
+ psppire_sheet_model_columns_inserted (PSPPIRE_SHEET_MODEL (store), var_num, 1);
}
const gint new_val_width = value_cnt_from_width (var_get_width (v));
if ( adjustment > 0 )
- psppire_case_file_insert_values (store->case_file, adjustment,
+ psppire_data_store_insert_values (store, adjustment,
new_val_width - adjustment +
var_get_case_index(v));
}
return retval;
}
-
void
-psppire_data_store_set_case_file (PsppireDataStore *ds,
- PsppireCaseFile *cf)
+psppire_data_store_set_reader (PsppireDataStore *ds,
+ struct casereader *reader)
{
gint i;
- if ( ds->case_file) g_object_unref (ds->case_file);
- ds->case_file = cf;
- g_sheet_model_range_changed (G_SHEET_MODEL (ds),
- -1, -1, -1, -1);
+ if ( ds->datasheet)
+ datasheet_destroy (ds->datasheet);
- for (i = 0 ; i < n_cf_signals ; ++i )
- {
- if ( ds->cf_handler_id [i] > 0 )
- g_signal_handler_disconnect (ds->case_file,
- ds->cf_handler_id[i]);
- }
+ ds->datasheet = datasheet_create (reader);
+ psppire_sheet_model_range_changed (PSPPIRE_SHEET_MODEL (ds),
+ -1, -1, -1, -1);
if ( ds->dict )
for (i = 0 ; i < n_dict_signals; ++i )
}
}
- ds->cf_handler_id [CASES_DELETED] =
- g_signal_connect (ds->case_file, "cases-deleted",
- G_CALLBACK (delete_cases_callback),
- ds);
-
- ds->cf_handler_id [CASE_INSERTED] =
- g_signal_connect (ds->case_file, "case-inserted",
- G_CALLBACK (insert_case_callback),
- ds);
-
- ds->cf_handler_id [CASE_CHANGED] =
- g_signal_connect (ds->case_file, "case-changed",
- G_CALLBACK (changed_case_callback),
- ds);
-
g_signal_emit (ds, signals[BACKEND_CHANGED], 0);
}
/* The entire model has changed */
- g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
+ psppire_sheet_model_range_changed (PSPPIRE_SHEET_MODEL (data_store), -1, -1, -1, -1);
#if AXIS_TRANSITION
- g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
+ psppire_sheet_column_columns_changed (PSPPIRE_SHEET_COLUMN (data_store), 0, -1);
#endif
if ( data_store->dict )
if (ds->dispose_has_run)
return;
- if (ds->case_file) g_object_unref (ds->case_file);
+ if (ds->datasheet)
+ {
+ datasheet_destroy (ds->datasheet);
+ ds->datasheet = NULL;
+ }
/* must chain up */
(* parent_class->dispose) (object);
}
-gboolean
-psppire_data_store_delete_cases (PsppireDataStore *ds,
- casenumber first, casenumber count)
-{
- g_return_val_if_fail (ds, FALSE);
-
- return psppire_case_file_delete_cases (ds->case_file, count, first);
-}
-
-
/* Insert a blank case before POSN */
gboolean
{
gboolean result;
gint val_cnt, v;
- struct ccase cc;
+ struct ccase *cc;
g_return_val_if_fail (ds, FALSE);
- val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
+ val_cnt = datasheet_get_column_cnt (ds->datasheet) ;
g_return_val_if_fail (val_cnt > 0, FALSE);
g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
- case_create (&cc, val_cnt);
+ cc = case_create (val_cnt);
- memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
+ memset ( case_data_rw_idx (cc, 0), 0, val_cnt * MAX_SHORT_STRING);
for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
{
if ( var_is_alpha (pv))
continue;
- case_data_rw (&cc, pv)->f = SYSMIS;
+ case_data_rw (cc, pv)->f = SYSMIS;
}
- result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
+ result = psppire_data_store_insert_case (ds, cc, posn);
- case_destroy (&cc);
+ case_unref (cc);
return result;
}
GString *s;
g_return_val_if_fail (store->dict, NULL);
- g_return_val_if_fail (store->case_file, NULL);
+ g_return_val_if_fail (store->datasheet, NULL);
if (column >= psppire_dict_get_var_cnt (store->dict))
return NULL;
- if ( row >= psppire_case_file_get_case_count (store->case_file))
+ if ( row >= psppire_data_store_get_case_count (store))
return NULL;
pv = psppire_dict_get_variable (store->dict, column);
g_assert (idx >= 0);
- v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
+ v = psppire_data_store_get_value (store, row, idx, NULL,
var_get_width (pv));
g_return_val_if_fail (v, NULL);
static gboolean
-psppire_data_store_clear_datum (GSheetModel *model,
+psppire_data_store_clear_datum (PsppireSheetModel *model,
glong row, glong col)
{
PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
else
memcpy (v.s, "", MAX_SHORT_STRING);
- psppire_case_file_set_value (store->case_file, row, index, &v,
- var_get_width (pv));
+ psppire_data_store_set_value (store, row, index, &v,
+ var_get_width (pv));
+
+ psppire_sheet_model_range_changed (model, row, col, row, col);
return TRUE;
}
{
glong n_cases;
const struct variable *pv = psppire_dict_get_variable (store->dict, col);
- g_return_val_if_fail (pv, FALSE);
+ if ( NULL == pv)
+ return FALSE;
n_cases = psppire_data_store_get_case_count (store);
if (row == n_cases)
psppire_data_store_insert_new_case (store, row);
- psppire_case_file_data_in (store->case_file, row,
- var_get_case_index (pv), ss_cstr (text),
- var_get_write_format (pv));
+ psppire_data_store_data_in (store, row,
+ var_get_case_index (pv), ss_cstr (text),
+ var_get_write_format (pv));
+
+ psppire_sheet_model_range_changed (PSPPIRE_SHEET_MODEL (store), row, col, row, col);
return TRUE;
}
-void
-psppire_data_store_set_font (PsppireDataStore *store,
- const PangoFontDescription *fd)
-{
- g_return_if_fail (store);
- g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
-
- store->font_desc = fd;
-#if 0
- store->width_of_m = calc_m_width (fd);
-#endif
- g_signal_emit (store, signals [FONT_CHANGED], 0);
-
-
- g_sheet_model_range_changed (G_SHEET_MODEL (store),
- -1, -1, -1, -1);
-}
-
void
psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
store->show_labels = show_labels;
- g_sheet_model_range_changed (G_SHEET_MODEL (store),
+ psppire_sheet_model_range_changed (PSPPIRE_SHEET_MODEL (store),
-1, -1, -1, -1);
}
void
-psppire_data_store_clear (PsppireDataStore *data_store)
+psppire_data_store_clear (PsppireDataStore *ds)
{
- psppire_case_file_clear (data_store->case_file);
+ datasheet_destroy (ds->datasheet);
+ ds->datasheet = NULL;
+
+ psppire_dict_clear (ds->dict);
- psppire_dict_clear (data_store->dict);
+ g_signal_emit (ds, signals [CASES_DELETED], 0, 0, -1);
}
int i;
struct casereader *reader ;
- for (i = 0 ; i < n_cf_signals ; ++i )
- {
- g_signal_handler_disconnect (ds->case_file, ds->cf_handler_id[i]);
- ds->cf_handler_id[i] = 0 ;
- }
-
if ( ds->dict )
for (i = 0 ; i < n_dict_signals; ++i )
{
ds->dict_handler_id[i]);
}
- reader = psppire_case_file_make_reader (ds->case_file);
+ reader = datasheet_make_reader (ds->datasheet);
+
+ /* We must not reference this again */
+ ds->datasheet = NULL;
return reader;
}
/* Row related funcs */
static gchar *
-get_row_button_label (const GSheetModel *model, gint unit)
+get_row_button_label (const PsppireSheetModel *model, gint unit)
{
- gchar *text;
- gchar *s;
- PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
+ gchar *s = g_strdup_printf (_("%d"), unit + FIRST_CASE_NUMBER);
- s = g_strdup_printf (_("%d"), unit + 1);
-
- text = pspp_locale_to_utf8 (s, -1, 0);
+ gchar *text = pspp_locale_to_utf8 (s, -1, 0);
g_free (s);
static gboolean
-get_row_sensitivity (const GSheetModel *model, gint unit)
+get_row_sensitivity (const PsppireSheetModel *model, gint unit)
{
PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
- return (unit < psppire_case_file_get_case_count (ds->case_file));
+ return (unit < psppire_data_store_get_case_count (ds));
}
/* Column related stuff */
static gchar *
-get_column_subtitle (const GSheetModel *model, gint col)
+get_column_subtitle (const PsppireSheetModel *model, gint col)
{
gchar *text;
const struct variable *v ;
}
static gchar *
-get_column_button_label (const GSheetModel *model, gint col)
+get_column_button_label (const PsppireSheetModel *model, gint col)
{
gchar *text;
struct variable *pv ;
}
static gboolean
-get_column_sensitivity (const GSheetModel *model, gint col)
+get_column_sensitivity (const PsppireSheetModel *model, gint col)
{
PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
static GtkJustification
-get_column_justification (const GSheetModel *model, gint col)
+get_column_justification (const PsppireSheetModel *model, gint col)
{
PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
const struct variable *pv ;
}
+
+\f
+
+
+/* Returns the CASENUMth case, or a null pointer on failure.
+ */
+struct ccase *
+psppire_data_store_get_case (const PsppireDataStore *ds,
+ casenumber casenum)
+{
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
+
+ return datasheet_get_row (ds->datasheet, casenum);
+}
+
+
+gboolean
+psppire_data_store_delete_cases (PsppireDataStore *ds, casenumber first,
+ casenumber n_cases)
+{
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
+
+ g_return_val_if_fail (first + n_cases <=
+ psppire_data_store_get_case_count (ds), FALSE);
+
+
+ datasheet_delete_rows (ds->datasheet, first, n_cases);
+
+ g_signal_emit (ds, signals [CASES_DELETED], 0, first, n_cases);
+ psppire_sheet_model_rows_deleted (PSPPIRE_SHEET_MODEL (ds), first, n_cases);
+
+ return TRUE;
+}
+
+
+
+/* Insert case CC into the case file before POSN */
+static gboolean
+psppire_data_store_insert_case (PsppireDataStore *ds,
+ struct ccase *cc,
+ casenumber posn)
+{
+ bool result ;
+
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
+
+ case_ref (cc);
+ result = datasheet_insert_rows (ds->datasheet, posn, &cc, 1);
+
+ if ( result )
+ {
+ g_signal_emit (ds, signals [CASE_INSERTED], 0, posn);
+ psppire_sheet_model_rows_inserted (PSPPIRE_SHEET_MODEL (ds), posn, 1);
+ }
+ else
+ g_warning ("Cannot insert case at position %ld\n", posn);
+
+ return result;
+}
+
+
+/* Copies the IDXth value from case CASENUM into VALUE.
+ If VALUE is null, then memory is allocated is allocated with
+ malloc. Returns the value if successful, NULL on failure. */
+static union value *
+psppire_data_store_get_value (const PsppireDataStore *ds,
+ casenumber casenum, size_t idx,
+ union value *value, int width)
+{
+ bool allocated;
+
+ g_return_val_if_fail (ds, false);
+ g_return_val_if_fail (ds->datasheet, false);
+
+ g_return_val_if_fail (idx < datasheet_get_column_cnt (ds->datasheet), false);
+
+ if (value == NULL)
+ {
+ value = xnmalloc (value_cnt_from_width (width), sizeof *value);
+ allocated = true;
+ }
+ else
+ allocated = false;
+ if (!datasheet_get_value (ds->datasheet, casenum, idx, value, width))
+ {
+ if (allocated)
+ free (value);
+ value = NULL;
+ }
+ return value;
+}
+
+
+
+/* Set the IDXth value of case C to V.
+ Returns true if successful, false on I/O error. */
+static gboolean
+psppire_data_store_set_value (PsppireDataStore *ds, casenumber casenum,
+ gint idx, union value *v, gint width)
+{
+ bool ok;
+
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
+
+ g_return_val_if_fail (idx < datasheet_get_column_cnt (ds->datasheet), FALSE);
+
+ ok = datasheet_put_value (ds->datasheet, casenum, idx, v, width);
+ if (ok)
+ g_signal_emit (ds, signals [CASE_CHANGED], 0, casenum);
+
+ return ok;
+}
+
+
+
+
+/* Set the IDXth value of case C using D_IN */
+static gboolean
+psppire_data_store_data_in (PsppireDataStore *ds, casenumber casenum, gint idx,
+ struct substring input, const struct fmt_spec *fmt)
+{
+ union value *value = NULL;
+ int width;
+ bool ok;
+
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
+
+ g_return_val_if_fail (idx < datasheet_get_column_cnt (ds->datasheet), FALSE);
+
+ width = fmt_var_width (fmt);
+ value = xmalloca (value_cnt_from_width (width) * sizeof *value);
+ ok = (datasheet_get_value (ds->datasheet, casenum, idx, value, width)
+ && data_in (input, LEGACY_NATIVE, fmt->type, 0, 0, 0, value, width)
+ && datasheet_put_value (ds->datasheet, casenum, idx, value, width));
+
+ freea (value);
+
+ if (ok)
+ g_signal_emit (ds, signals [CASE_CHANGED], 0, casenum);
+
+ return ok;
+}
+
+/* Resize the cases in the casefile, by inserting N_VALUES into every
+ one of them at the position immediately preceeding WHERE.
+*/
+static gboolean
+psppire_data_store_insert_values (PsppireDataStore *ds,
+ gint n_values, gint where)
+{
+ g_return_val_if_fail (ds, FALSE);
+
+ if ( n_values == 0 )
+ return FALSE;
+
+ g_assert (n_values > 0);
+
+ if ( ! ds->datasheet )
+ ds->datasheet = datasheet_create (NULL);
+
+ {
+ union value *values = xcalloc (n_values, sizeof *values);
+ datasheet_insert_columns (ds->datasheet, values, n_values, where);
+ free (values);
+ }
+
+ return TRUE;
+}