-/* psppire-data-store.c
-
- PSPPIRE --- A Graphical User Interface for PSPP
- Copyright (C) 2006 Free Software Foundation
- Written by John Darrington
+/* PSPPIRE - a graphical user interface for PSPP.
+ 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
+ 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
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <string.h>
#include <stdlib.h>
#include <gettext.h>
-#define _(msgid) gettext(msgid)
-#define N_(msgid) msgid
+#define _(msgid) gettext (msgid)
+#define P_(msgid) msgid
-#include <data/casefile.h>
-#include <data/case.h>
+#include <data/datasheet.h>
#include <data/data-out.h>
#include <data/variable.h>
-#include <gtksheet/gtksheet.h>
-#include <gtksheet/gsheetmodel.h>
-#include <gtksheet/gsheet-column-iface.h>
+#include <ui/gui/psppire-marshal.h>
#include <pango/pango-context.h>
#include "psppire-data-store.h"
-#include "psppire-case-file.h"
+#include <libpspp/i18n.h>
#include "helper.h"
#include <data/dictionary.h>
#include <data/missing-values.h>
#include <data/value-labels.h>
#include <data/data-in.h>
+#include <data/format.h>
-#include <data/file-handle-def.h>
-#include <data/sys-file-writer.h>
+#include <math/sort.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);
-static void psppire_data_store_sheet_model_init (GSheetModelIface *iface);
-static void psppire_data_store_sheet_column_init (GSheetColumnIface *iface);
-static void psppire_data_store_sheet_row_init (GSheetRowIface *iface);
static void psppire_data_store_finalize (GObject *object);
+static void psppire_data_store_dispose (GObject *object);
-static gchar *psppire_data_store_get_string(const GSheetModel *sheet_model, gint row, gint column);
+static gboolean psppire_data_store_insert_case (PsppireDataStore *ds,
+ struct ccase *cc,
+ casenumber posn);
-static gboolean psppire_data_store_set_string(GSheetModel *model,
- const gchar *text, gint row, gint column);
-static gboolean psppire_data_store_clear_datum(GSheetModel *model,
- gint row, gint column);
+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;
-#define MIN_COLUMNS 10
-#define TRAILING_ROWS 10
+enum
+ {
+ ITEMS_CHANGED,
+ CASE_CHANGED,
+ n_SIGNALS
+ };
-static GObjectClass *parent_class = NULL;
+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);
+}
-enum {FONT_CHANGED,
- n_SIGNALS};
+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;
+ }
-static guint signal[n_SIGNALS];
+ 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);
+
+ 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;
-inline GType
+ 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)
{
static GType data_store_type = 0;
(GInstanceInitFunc) psppire_data_store_init,
};
- static const GInterfaceInfo sheet_model_info =
- {
- (GInterfaceInitFunc) psppire_data_store_sheet_model_init,
- NULL,
- NULL
- };
-
- static const GInterfaceInfo sheet_column_info =
- {
- (GInterfaceInitFunc) psppire_data_store_sheet_column_init,
+ static const GInterfaceInfo tree_model_info = {
+ (GInterfaceInitFunc) __tree_model_init,
NULL,
NULL
};
- static const GInterfaceInfo sheet_row_info =
- {
- (GInterfaceInitFunc) psppire_data_store_sheet_row_init,
- NULL,
- NULL
- };
-
-
- 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,
- &sheet_model_info);
-
- g_type_add_interface_static (data_store_type,
- G_TYPE_SHEET_COLUMN,
- &sheet_column_info);
-
- g_type_add_interface_static (data_store_type,
- G_TYPE_SHEET_ROW,
- &sheet_row_info);
+ g_type_add_interface_static (data_store_type, GTK_TYPE_TREE_MODEL,
+ &tree_model_info);
}
return data_store_type;
object_class = (GObjectClass*) class;
object_class->finalize = psppire_data_store_finalize;
+ object_class->dispose = psppire_data_store_dispose;
- signal[FONT_CHANGED] =
- g_signal_new ("font_changed",
- G_TYPE_FROM_CLASS(class),
+ signals [ITEMS_CHANGED] =
+ g_signal_new ("items-changed",
+ G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE,
- 0);
-}
-
-
-
-static gint
-psppire_data_store_get_var_count (const GSheetModel *model)
-{
- const PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
-
- return psppire_dict_get_var_cnt(store->dict);
-}
-
-static gint
-psppire_data_store_get_case_count (const GSheetModel *model)
-{
- const PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
-
- return psppire_case_file_get_case_count(store->case_file);
+ psppire_marshal_VOID__UINT_UINT_UINT,
+ G_TYPE_NONE,
+ 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_FROM_CLASS (class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_INT);
}
-static void
-psppire_data_store_init (PsppireDataStore *data_store)
-{
- data_store->dict = 0;
- data_store->case_file = 0;
- data_store->width_of_m = 10;
-}
-const PangoFontDescription *
-psppire_data_store_get_font_desc(const GSheetModel *model,
- gint row, gint column)
+casenumber
+psppire_data_store_get_case_count (const PsppireDataStore *store)
{
- PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
-
- return store->font_desc;
+ return datasheet_get_n_rows (store->datasheet);
}
-
-static void
-psppire_data_store_sheet_model_init (GSheetModelIface *iface)
+size_t
+psppire_data_store_get_value_count (const PsppireDataStore *store)
{
- iface->free_strings = TRUE;
- iface->get_string = psppire_data_store_get_string;
- iface->set_string = psppire_data_store_set_string;
- 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;
+ return psppire_dict_get_value_cnt (store->dict);
}
-static
-gboolean always_true()
+const struct caseproto *
+psppire_data_store_get_proto (const PsppireDataStore *store)
{
- return TRUE;
+ return psppire_dict_get_proto (store->dict);
}
-
static void
-delete_cases_callback(GtkWidget *w, gint first, gint n_cases, gpointer data)
+psppire_data_store_init (PsppireDataStore *data_store)
{
- 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);
+ data_store->dict = NULL;
+ data_store->datasheet = NULL;
+ data_store->dispose_has_run = FALSE;
+ data_store->stamp = g_random_int ();
}
static void
-insert_case_callback(GtkWidget *w, gint casenum, gpointer data)
+psppire_data_store_delete_value (PsppireDataStore *store, gint case_index)
{
- PsppireDataStore *store ;
-
- g_return_if_fail (data);
-
- store = PSPPIRE_DATA_STORE(data);
-
- 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);
+ 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.
+ */
static void
-changed_case_callback(GtkWidget *w, gint casenum, gpointer data)
+delete_variable_callback (GObject *obj, const struct variable *var UNUSED,
+ gint dict_index, gint case_index,
+ gpointer data)
{
- PsppireDataStore *store ;
- g_return_if_fail (data);
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
- store = PSPPIRE_DATA_STORE(data);
-
- g_sheet_model_range_changed (G_SHEET_MODEL(store),
- casenum, -1,
- casenum, -1);
+ psppire_data_store_delete_value (store, case_index);
}
+struct resize_datum_aux
+ {
+ const struct dictionary *dict;
+ const struct variable *new_variable;
+ const struct variable *old_variable;
+ };
static void
-delete_variables_callback(GObject *obj, gint var_num, gint n_vars, gpointer data)
+resize_datum (const union value *old, union value *new, const void *aux_)
{
- PsppireDataStore *store ;
-
- g_return_if_fail (data);
-
- store = PSPPIRE_DATA_STORE(data);
-
- g_sheet_model_columns_deleted (G_SHEET_MODEL(store), var_num, n_vars);
-
- g_sheet_column_columns_changed(G_SHEET_COLUMN(store),
- var_num, -1);
+ 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
-insert_variable_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;
- gint posn;
-
- g_return_if_fail (data);
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
+ struct variable *variable = psppire_dict_get_variable (store->dict, var_num);
- store = PSPPIRE_DATA_STORE(data);
-
- if ( var_num > 0 )
+ if (what & VAR_TRAIT_WIDTH)
{
- struct variable *variable;
- variable = psppire_dict_get_variable(store->dict, var_num);
-
- posn = var_get_case_index (variable);
+ 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);
}
- else
- {
- posn = 0;
- }
-
- psppire_case_file_insert_values(store->case_file, 1, posn);
-
- g_sheet_column_columns_changed(G_SHEET_COLUMN(store),
- var_num, 1);
-
- g_sheet_model_columns_inserted (G_SHEET_MODEL(store), var_num, 1);
}
-
static void
-dict_size_change_callback(GObject *obj,
- gint posn, gint adjustment, gpointer data)
+insert_variable_callback (GObject *obj, gint var_num, gpointer data)
{
- PsppireDataStore *store ;
+ struct variable *variable;
+ PsppireDataStore *store;
+ gint posn;
g_return_if_fail (data);
- store = PSPPIRE_DATA_STORE(data);
+ store = PSPPIRE_DATA_STORE (data);
- psppire_case_file_insert_values (store->case_file, adjustment, posn);
+ variable = psppire_dict_get_variable (store->dict, var_num);
+ posn = var_get_case_index (variable);
+ psppire_data_store_insert_value (store, var_get_width (variable), posn);
}
-
-
/**
* psppire_data_store_new:
* @dict: The dictionary for this data_store.
{
PsppireDataStore *retval;
- retval = g_object_new (GTK_TYPE_DATA_STORE, NULL);
-
- psppire_data_store_set_dictionary(retval, dict);
+ retval = g_object_new (PSPPIRE_TYPE_DATA_STORE, NULL);
+ psppire_data_store_set_dictionary (retval, dict);
return retval;
}
+void
+psppire_data_store_set_reader (PsppireDataStore *ds,
+ struct casereader *reader)
+{
+ gint i;
+ gint old_n = 0;
+ if ( 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 )
+ {
+ if ( ds->dict_handler_id [i] > 0)
+ {
+ g_signal_handler_unblock (ds->dict,
+ ds->dict_handler_id[i]);
+ }
+ }
+
+ g_signal_emit (ds, signals[ITEMS_CHANGED], 0, 0, old_n, new_n);
+}
/**
* destroyed.
**/
void
-psppire_data_store_set_dictionary(PsppireDataStore *data_store, PsppireDict *dict)
+psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
{
- gint var_cnt = psppire_dict_get_next_value_idx(dict);
-#if 0
- if ( data_store->dict ) g_object_unref(data_store->dict);
-#endif
+ int i;
+
+ /* Disconnect any existing handlers */
+ if ( data_store->dict )
+ for (i = 0 ; i < n_dict_signals; ++i )
+ {
+ g_signal_handler_disconnect (data_store->dict,
+ data_store->dict_handler_id[i]);
+ }
data_store->dict = dict;
- if ( data_store->case_file)
+ if ( dict != NULL)
{
- g_object_unref(data_store->case_file);
- data_store->case_file = 0;
- }
-
- data_store->case_file = psppire_case_file_new(var_cnt);
-
- g_signal_connect(data_store->case_file, "cases-deleted",
- G_CALLBACK(delete_cases_callback),
- data_store);
- g_signal_connect(data_store->case_file, "case-inserted",
- G_CALLBACK(insert_case_callback),
- data_store);
+ data_store->dict_handler_id [VARIABLE_INSERTED] =
+ g_signal_connect (dict, "variable-inserted",
+ G_CALLBACK (insert_variable_callback),
+ data_store);
+ data_store->dict_handler_id [VARIABLE_DELETED] =
+ g_signal_connect (dict, "variable-deleted",
+ G_CALLBACK (delete_variable_callback),
+ data_store);
- g_signal_connect(data_store->case_file, "case-changed",
- G_CALLBACK(changed_case_callback),
- data_store);
-
- g_signal_connect(dict, "variable-inserted",
- G_CALLBACK(insert_variable_callback),
- data_store);
+ data_store->dict_handler_id [VARIABLE_CHANGED] =
+ g_signal_connect (dict, "variable-changed",
+ G_CALLBACK (variable_changed_callback),
+ data_store);
+ }
- g_signal_connect(dict, "variables-deleted",
- G_CALLBACK(delete_variables_callback),
- data_store);
- g_signal_connect (dict, "dict-size-changed",
- G_CALLBACK(dict_size_change_callback),
- data_store);
/* The entire model has changed */
- g_sheet_model_range_changed (G_SHEET_MODEL(data_store), -1, -1, -1, -1);
-
- g_sheet_column_columns_changed(G_SHEET_COLUMN(data_store), 0, -1);
+
+ if ( data_store->dict )
+ for (i = 0 ; i < n_dict_signals; ++i )
+ {
+ if ( data_store->dict_handler_id [i] > 0)
+ {
+ g_signal_handler_block (data_store->dict,
+ data_store->dict_handler_id[i]);
+ }
+ }
}
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);
}
-
-/* Insert a blank case before POSN */
-gboolean
-psppire_data_store_insert_new_case(PsppireDataStore *ds, gint posn)
+static void
+psppire_data_store_dispose (GObject *object)
{
- gboolean result;
- gint val_cnt, v;
- struct ccase cc;
- g_return_val_if_fail (ds, FALSE);
-
-
- /* Opportunity for optimisation exists here when creating a blank case */
- val_cnt = casefile_get_value_cnt(ds->case_file->flexifile) ;
-
- case_create (&cc, val_cnt);
-
- memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
+ PsppireDataStore *ds = PSPPIRE_DATA_STORE (object);
- for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
- {
- const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
- if ( var_is_alpha (pv))
- continue;
-
- case_data_rw (&cc, pv)->f = SYSMIS;
- }
+ if (ds->dispose_has_run)
+ return;
- result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
+ psppire_data_store_set_dictionary (ds, NULL);
- case_destroy (&cc);
+ /* must chain up */
+ (* parent_class->dispose) (object);
- return result;
+ ds->dispose_has_run = TRUE;
}
-static gchar *
-psppire_data_store_get_string (const GSheetModel *model, gint row, gint column)
-{
- gint idx;
- char *text;
- const struct fmt_spec *fp ;
- const struct variable *pv ;
- const union value *v ;
- GString *s;
- PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
-
- g_return_val_if_fail (store->dict, NULL);
- g_return_val_if_fail (store->case_file, NULL);
- if (column >= psppire_dict_get_var_cnt (store->dict))
- return NULL;
-
- if ( row >= psppire_case_file_get_case_count (store->case_file))
- return NULL;
-
- pv = psppire_dict_get_variable (store->dict, column);
+/* Insert a blank case before POSN */
+gboolean
+psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
+{
+ gboolean result;
+ const struct caseproto *proto;
+ struct ccase *cc;
+ g_return_val_if_fail (ds, FALSE);
- idx = var_get_case_index (pv);
+ proto = datasheet_get_proto (ds->datasheet);
+ g_return_val_if_fail (caseproto_get_n_widths (proto) > 0, FALSE);
+ g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
- v = psppire_case_file_get_value (store->case_file, row, idx);
+ cc = case_create (proto);
+ case_set_missing (cc);
- g_return_val_if_fail(v, NULL);
+ result = psppire_data_store_insert_case (ds, cc, posn);
- if ( store->show_labels)
- {
- const struct val_labs * vl = var_get_value_labels (pv);
+ case_unref (cc);
- const gchar *label;
- if ( (label = val_labs_find(vl, *v)) )
- {
- return pspp_locale_to_utf8(label, -1, 0);
- }
- }
-
- fp = var_get_write_format (pv);
-
- s = g_string_sized_new (fp->w + 1);
- g_string_set_size (s, fp->w);
-
- memset (s->str, 0, fp->w);
+ return result;
+}
- g_assert (fp->w == s->len);
-
- /* Converts binary value V into printable form in the exactly
- FP->W character in buffer S according to format specification
- FP. No null terminator is appended to the buffer. */
- data_out (v, fp, s->str);
+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);
- text = pspp_locale_to_utf8 (s->str, fp->w, 0);
- g_string_free (s, TRUE);
+ if (row < 0 || row >= datasheet_get_n_rows (store->datasheet))
+ return FALSE;
- g_strchomp (text);
+ int width = var_get_width (var);
+ value_init (val, width);
+ datasheet_get_value (store->datasheet, row, var_get_case_index (var), val);
- return text;
+ return TRUE;
}
-static gboolean
-psppire_data_store_clear_datum (GSheetModel *model,
- gint row, gint col)
+gchar *
+psppire_data_store_get_string (PsppireDataStore *store,
+ glong row, const struct variable *var,
+ bool use_value_label)
{
- PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
-
+ gchar *string;
union value v;
- const struct variable *pv = psppire_dict_get_variable (store->dict, col);
-
- const gint index = var_get_case_index (pv) ;
+ int width = var_get_width (var);
+ if (! psppire_data_store_get_value (store, row, var, &v))
+ return NULL;
- if ( var_is_numeric (pv))
- v.f = SYSMIS;
- else
- memcpy(v.s, "", MAX_SHORT_STRING);
+ string = NULL;
+ if (use_value_label)
+ {
+ const char *label = var_lookup_value_label (var, &v);
+ if (label != NULL)
+ string = g_strdup (label);
+ }
+ if (string == NULL)
+ string = value_to_text (v, var);
- psppire_case_file_set_value(store->case_file, row, index, &v,
- var_get_width (pv));
+ value_destroy (&v, width);
- return TRUE;
+ return string;
}
-/* Attempts to update that part of the variable store which corresponds
- to ROW, COL with the value TEXT.
- Returns true if anything was updated, false otherwise.
-*/
-static gboolean
-psppire_data_store_set_string(GSheetModel *model,
- const gchar *text, gint row, gint col)
-{
- PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
+/* Attempts to update that part of the variable store which corresponds to VAR
+ within ROW with the value TEXT.
- const struct variable *pv = psppire_dict_get_variable(store->dict, col);
- g_return_val_if_fail(pv, FALSE);
+ If USE_VALUE_LABEL is true, and TEXT is a value label for the column's
+ variable, then stores the value from that value label instead of the literal
+ TEXT.
-#if 0
- /* Allow the user to insert a lot of blank cases, simply by skipping rows */
- for(r = psppire_case_file_get_case_count(store->case_file); r <= row ; ++r)
+ Returns true if anything was updated, false otherwise. */
+gboolean
+psppire_data_store_set_string (PsppireDataStore *store,
+ const gchar *text,
+ glong row, const struct variable *var,
+ gboolean use_value_label)
+{
+ gint case_index;
+ glong n_cases;
+ gboolean ok;
+
+ n_cases = psppire_data_store_get_case_count (store);
+ if (row > n_cases)
+ return FALSE;
+ if (row == n_cases)
+ psppire_data_store_insert_new_case (store, row);
+
+ case_index = var_get_case_index (var);
+ if (use_value_label)
{
-
- gint c;
-
- psppire_case_array_insert_case(store->cases, r, 0, 0);
-
-
- for (c = 0 ; c < psppire_dict_get_var_cnt(store->dict); ++c )
- psppire_data_store_clear_datum(model, r, c);
+ const struct val_labs *vls = var_get_value_labels (var);
+ const union value *value = vls ? val_labs_find_value (vls, text) : NULL;
+ if (value)
+ ok = datasheet_put_value (store->datasheet, row, case_index, value);
+ else
+ ok = FALSE;
}
-#endif
+ else
+ ok = psppire_data_store_data_in (store, row, case_index, ss_cstr (text),
+ var_get_print_format (var));
- psppire_case_file_data_in (store->case_file, row,
- var_get_case_index (pv), ss_cstr (text),
- var_get_write_format (pv));
-
- return TRUE;
+ if (ok)
+ g_signal_emit (store, signals [CASE_CHANGED], 0, row);
+ return ok;
}
-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, signal[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)
+psppire_data_store_clear (PsppireDataStore *ds)
{
- g_return_if_fail (store);
- g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
+ datasheet_destroy (ds->datasheet);
+ ds->datasheet = NULL;
- store->show_labels = show_labels;
+ psppire_dict_clear (ds->dict);
- g_sheet_model_range_changed (G_SHEET_MODEL(store),
- -1, -1, -1, -1);
+ g_signal_emit (ds, signals [ITEMS_CHANGED], 0, 0, -1, 0);
}
-/* FIXME: There's no reason to actually have this function.
- It should be done by a procedure */
-void
-psppire_data_store_create_system_file(PsppireDataStore *store,
- struct file_handle *handle)
+/* Return a casereader made from this datastore */
+struct casereader *
+psppire_data_store_get_reader (PsppireDataStore *ds)
{
- gint i, var_cnt;
- const struct sfm_write_options wo = {
- true, /* writeable */
- false, /* dont compress */
- 3 /* version */
- };
-
- struct sfm_writer *writer ;
-
- g_assert(handle);
-
- writer = sfm_open_writer(handle, store->dict->dict, wo);
-
- if ( ! writer)
- return;
-
+ int i;
+ struct casereader *reader ;
- var_cnt = psppire_data_store_get_var_count (G_SHEET_MODEL(store));
+ if ( ds->dict )
+ for (i = 0 ; i < n_dict_signals; ++i )
+ {
+ g_signal_handler_block (ds->dict,
+ ds->dict_handler_id[i]);
+ }
- for (i = 0 ; i < psppire_case_file_get_case_count(store->case_file); ++i )
- {
- struct ccase c;
-
- case_create (&c, var_cnt);
- psppire_case_file_get_case (store->case_file, i, &c);
- sfm_write_case (writer, &c);
+ reader = datasheet_make_reader (ds->datasheet);
- case_destroy (&c);
- }
+ /* We must not reference this again */
+ ds->datasheet = NULL;
- sfm_close_writer(writer);
+ return reader;
}
-
-
-void
-psppire_data_store_clear(PsppireDataStore *data_store)
+/* Returns the CASENUMth case, or a null pointer on failure.
+ */
+struct ccase *
+psppire_data_store_get_case (const PsppireDataStore *ds,
+ casenumber casenum)
{
- psppire_case_file_clear(data_store->case_file);
-
- psppire_dict_clear(data_store->dict);
-}
-
-
-
-
-/* Column related funcs */
-
-static gint
-geometry_get_column_count(const GSheetColumn *geom)
-{
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
- return MAX(MIN_COLUMNS, psppire_dict_get_var_cnt(ds->dict));
+ return datasheet_get_row (ds->datasheet, casenum);
}
-
-static gint
-geometry_get_width(const GSheetColumn *geom, gint unit)
+gboolean
+psppire_data_store_delete_cases (PsppireDataStore *ds, casenumber first,
+ casenumber n_cases)
{
- const struct variable *pv ;
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
-
- if ( unit >= psppire_dict_get_var_cnt(ds->dict) )
- return ds->width_of_m * 8 ;
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
- pv = psppire_dict_get_variable (ds->dict, unit);
+ g_return_val_if_fail (first + n_cases <=
+ psppire_data_store_get_case_count (ds), FALSE);
- if ( pv == NULL )
- return ds->width_of_m * 8 ;
- return ds->width_of_m * var_get_display_width (pv);
-}
+ datasheet_delete_rows (ds->datasheet, first, n_cases);
-static void
-geometry_set_width(GSheetColumn *geom, gint unit, gint width)
-{
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
+ g_signal_emit (ds, signals[ITEMS_CHANGED], 0, first, n_cases, 0);
- struct variable *pv = psppire_dict_get_variable (ds->dict, unit);
-
- var_set_display_width (pv, width / ds->width_of_m );
+ return TRUE;
}
-static GtkJustification
-geometry_get_justification(const GSheetColumn *geom, gint unit)
+/* Insert case CC into the case file before POSN */
+static gboolean
+psppire_data_store_insert_case (PsppireDataStore *ds,
+ struct ccase *cc,
+ casenumber posn)
{
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
- const struct variable *pv ;
+ bool result ;
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
- if ( unit >= psppire_dict_get_var_cnt(ds->dict) )
- return GTK_JUSTIFY_LEFT;
+ cc = case_ref (cc);
+ result = datasheet_insert_rows (ds->datasheet, posn, &cc, 1);
- pv = psppire_dict_get_variable(ds->dict, unit);
+ if ( result )
+ {
+ g_signal_emit (ds, signals[ITEMS_CHANGED], 0, posn, 0, 1);
+ }
+ else
+ g_warning ("Cannot insert case at position %ld\n", posn);
- /* Kludge: Happily GtkJustification is defined similarly
- to enum alignment from pspp/variable.h */
- return var_get_alignment(pv);
+ return result;
}
-static const gchar null_var_name[]=N_("var");
-
-static gchar *
-geometry_get_column_button_label(const GSheetColumn *geom, gint unit)
+/* Set the value of VAR in case CASENUM to V.
+ V must be the correct width for IDX.
+ Returns true if successful, false on I/O error. */
+gboolean
+psppire_data_store_set_value (PsppireDataStore *ds, casenumber casenum,
+ const struct variable *var, const union value *v)
{
- gchar *text;
- struct variable *pv ;
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
+ glong n_cases;
+ bool ok;
- if ( unit >= psppire_dict_get_var_cnt(ds->dict) )
- return g_locale_to_utf8(null_var_name, -1, 0, 0, 0);
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
- pv = psppire_dict_get_variable (ds->dict, unit);
+ n_cases = psppire_data_store_get_case_count (ds);
+ if ( casenum > n_cases)
+ return FALSE;
- text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
+ if (casenum == n_cases)
+ psppire_data_store_insert_new_case (ds, casenum);
- return text;
+ 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 [ITEMS_CHANGED], 0, casenum, 1, 1);
+ }
+
+ return ok;
}
-static gboolean
-geometry_get_sensitivity(const GSheetColumn *geom, gint unit)
-{
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
-
- return (unit < psppire_dict_get_var_cnt(ds->dict));
-}
-static void
-psppire_data_store_sheet_column_init (GSheetColumnIface *iface)
+/* 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)
{
- iface->get_column_count = geometry_get_column_count;
- iface->get_width = geometry_get_width;
- iface->set_width = geometry_set_width;
- iface->get_visibility = always_true;
- iface->get_sensitivity = geometry_get_sensitivity;
- iface->get_justification = geometry_get_justification;
- iface->get_button_label = geometry_get_column_button_label;
-}
+ union value value;
+ int width;
+ bool ok;
+ PsppireDict *dict;
-/* Row related funcs */
+ g_return_val_if_fail (ds, FALSE);
+ g_return_val_if_fail (ds->datasheet, FALSE);
-static gint
-geometry_get_row_count(const GSheetRow *geom, gpointer data)
-{
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
+ g_return_val_if_fail (idx < datasheet_get_n_columns (ds->datasheet), FALSE);
- return TRAILING_ROWS + psppire_case_file_get_case_count(ds->case_file);
-}
+ dict = ds->dict;
+ width = fmt_var_width (fmt);
+ g_return_val_if_fail (caseproto_get_width (
+ datasheet_get_proto (ds->datasheet), idx) == width,
+ FALSE);
+ value_init (&value, width);
+ ok = (datasheet_get_value (ds->datasheet, casenum, idx, &value)
+ && data_in_msg (input, UTF8, fmt->type, &value, width,
+ dict_get_encoding (dict->dict))
+ && datasheet_put_value (ds->datasheet, casenum, idx, &value));
+ value_destroy (&value, width);
-static gint
-geometry_get_height(const GSheetRow *geom, gint unit, gpointer data)
-{
- return 25;
+ return ok;
}
-
-static gboolean
-geometry_get_row_sensitivity(const GSheetRow *geom, gint unit, gpointer data)
+/* Resize the cases in the casefile, by inserting a value of the
+ given WIDTH into every one of them at the position immediately
+ preceding WHERE.
+*/
+gboolean
+psppire_data_store_insert_value (PsppireDataStore *ds,
+ gint width, gint where)
{
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
+ union value value;
-
- return (unit < psppire_case_file_get_case_count(ds->case_file));
-}
+ g_return_val_if_fail (ds, FALSE);
+ g_assert (width >= 0);
-static gchar *
-geometry_get_row_button_label(const GSheetRow *geom, gint unit, gpointer data)
-{
- gchar *text;
- gchar *s;
- PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
+ if ( ! ds->datasheet )
+ ds->datasheet = datasheet_create (NULL);
- if ( unit >
- TRAILING_ROWS + psppire_case_file_get_case_count(ds->case_file))
- return 0;
+ value_init (&value, width);
+ value_set_missing (&value, width);
- s = g_strdup_printf(_("%d"), unit);
+ datasheet_insert_column (ds->datasheet, &value, width, where);
+ value_destroy (&value, width);
- text = pspp_locale_to_utf8(s, -1, 0);
-
- g_free(s);
-
- return text;
+ return TRUE;
}
-
-static void
-psppire_data_store_sheet_row_init (GSheetRowIface *iface)
+gboolean
+psppire_data_store_filtered (PsppireDataStore *ds,
+ glong row)
{
- iface->get_row_count = geometry_get_row_count;
+ union value val;
+
+ const struct dictionary *dict;
+ const struct variable *filter;
+
+ if ( row < 0 || row >= datasheet_get_n_rows (ds->datasheet))
+ return FALSE;
+
+ dict = ds->dict->dict;
+ g_return_val_if_fail (dict, FALSE);
+ filter = dict_get_filter (dict);
+ if ( ! filter)
+ return FALSE;
- iface->get_height = geometry_get_height;
- iface->set_height = 0;
- iface->get_visibility = always_true;
- iface->get_sensitivity = geometry_get_row_sensitivity;
+ g_return_val_if_fail (var_is_numeric (filter), FALSE);
+ value_init (&val, 0);
+ if ( ! datasheet_get_value (ds->datasheet, row,
+ var_get_case_index (filter),
+ &val) )
+ return FALSE;
- iface->get_button_label = geometry_get_row_button_label;
+ return (val.f == 0.0);
}
projects / pspp / blobdiff