/* psppire-data-store.c
-
+
PSPPIRE --- A Graphical User Interface for PSPP
Copyright (C) 2006 Free Software Foundation
- Written by John Darrington
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/casefile.h>
#include <data/case.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 "psppire-variable.h"
+#include <pango/pango-context.h>
+
#include "psppire-data-store.h"
+#include "psppire-case-file.h"
#include "helper.h"
#include <data/dictionary.h>
static gchar *psppire_data_store_get_string(const GSheetModel *sheet_model, gint row, gint column);
-static gboolean psppire_data_store_set_string(GSheetModel *model,
+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,
+static gboolean psppire_data_store_clear_datum(GSheetModel *model,
gint row, gint column);
static GObjectClass *parent_class = NULL;
+
+enum {FONT_CHANGED,
+ n_SIGNALS};
+
+static guint signal[n_SIGNALS];
+
+
inline GType
psppire_data_store_get_type (void)
{
return data_store_type;
}
+
static void
psppire_data_store_class_init (PsppireDataStoreClass *class)
{
object_class = (GObjectClass*) class;
object_class->finalize = psppire_data_store_finalize;
+
+ signal[FONT_CHANGED] =
+ g_signal_new ("font_changed",
+ G_TYPE_FROM_CLASS(class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
}
psppire_data_store_get_var_count (const GSheetModel *model)
{
const PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
-
+
return psppire_dict_get_var_cnt(store->dict);
}
{
data_store->dict = 0;
data_store->case_file = 0;
+ data_store->width_of_m = 10;
}
const PangoFontDescription *
gint row, gint column)
{
PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
-
+
return store->font_desc;
}
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),
g_return_if_fail (data);
store = PSPPIRE_DATA_STORE(data);
-
+
g_sheet_model_range_changed (G_SHEET_MODEL(store),
casenum, -1,
casenum, -1);
insert_variable_callback(GObject *obj, gint var_num, gpointer data)
{
PsppireDataStore *store;
+ gint posn;
g_return_if_fail (data);
store = PSPPIRE_DATA_STORE(data);
-
- /*
- g_sheet_model_range_changed (G_SHEET_MODEL(store),
- casenum, -1,
- psppire_case_array_get_n_cases(store->cases),
- -1);
- */
-#if 0
- psppire_case_array_resize(store->cases,
- dict_get_next_value_idx (store->dict->dict));
-#endif
+ if ( var_num > 0 )
+ {
+ struct variable *variable;
+ variable = psppire_dict_get_variable(store->dict, var_num);
+
+ posn = var_get_case_index (variable);
+ }
+ 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)
+{
+ PsppireDataStore *store ;
+
+ g_return_if_fail (data);
+
+ store = PSPPIRE_DATA_STORE(data);
+
+ psppire_case_file_insert_values (store->case_file, adjustment, posn);
+}
+
/**
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
data_store->dict = dict;
data_store->case_file = psppire_case_file_new(var_cnt);
- g_signal_connect(data_store->case_file, "cases-deleted",
- G_CALLBACK(delete_cases_callback),
+ 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),
+ g_signal_connect(data_store->case_file, "case-inserted",
+ G_CALLBACK(insert_case_callback),
data_store);
- g_signal_connect(data_store->case_file, "case-changed",
- G_CALLBACK(changed_case_callback),
+ 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),
+ g_signal_connect(dict, "variable-inserted",
+ G_CALLBACK(insert_variable_callback),
data_store);
- g_signal_connect(dict, "variables-deleted",
- G_CALLBACK(delete_variables_callback),
+ 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);
}
}
+
+/* Insert a blank case before POSN */
+gboolean
+psppire_data_store_insert_new_case(PsppireDataStore *ds, gint posn)
+{
+ 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);
+
+ 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;
+ }
+
+ result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
+
+ case_destroy (&cc);
+
+ return result;
+}
+
+
static gchar *
-psppire_data_store_get_string(const GSheetModel *model, gint row, gint column)
+psppire_data_store_get_string (const GSheetModel *model, gint row, gint column)
{
gint idx;
char *text;
const struct fmt_spec *fp ;
- const struct PsppireVariable *pv ;
+ 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);
+ 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))
+ 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_case_file_get_case_count (store->case_file))
return NULL;
- pv = psppire_dict_get_variable(store->dict, column);
+ pv = psppire_dict_get_variable (store->dict, column);
- idx = psppire_variable_get_index(pv);
+ idx = var_get_case_index (pv);
- v = psppire_case_file_get_value(store->case_file, row, idx);
+ v = psppire_case_file_get_value (store->case_file, row, idx);
- if ( store->show_labels)
+ g_return_val_if_fail(v, NULL);
+
+ if ( store->show_labels)
{
- const struct val_labs * vl = psppire_variable_get_value_labels(pv);
+ const struct val_labs * vl = var_get_value_labels (pv);
const gchar *label;
if ( (label = val_labs_find(vl, *v)) )
}
}
- fp = psppire_variable_get_write_spec(pv);
+ 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);
+ g_string_set_size (s, fp->w);
+
+ memset (s->str, 0, fp->w);
+
+ g_assert (fp->w == s->len);
- 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 (s->str, fp, v);
+ data_out (v, fp, s->str);
- text = pspp_locale_to_utf8(s->str, fp->w, 0);
- g_string_free(s, TRUE);
+ text = pspp_locale_to_utf8 (s->str, fp->w, 0);
+ g_string_free (s, TRUE);
+
+ g_strchomp (text);
return text;
}
-static gboolean
-psppire_data_store_clear_datum(GSheetModel *model,
+static gboolean
+psppire_data_store_clear_datum (GSheetModel *model,
gint row, gint col)
{
PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
union value v;
- const struct PsppireVariable *pv = psppire_dict_get_variable(store->dict, col);
+ const struct variable *pv = psppire_dict_get_variable (store->dict, col);
- const gint index = psppire_variable_get_index(pv) ;
+ const gint index = var_get_case_index (pv) ;
- if ( psppire_variable_get_type(pv) == NUMERIC)
+ if ( var_is_numeric (pv))
v.f = SYSMIS;
else
memcpy(v.s, "", MAX_SHORT_STRING);
- psppire_case_file_set_value(store->case_file, row, index, &v);
+ psppire_case_file_set_value(store->case_file, row, index, &v,
+ var_get_width (pv));
return TRUE;
}
-/* Attempts to update that part of the variable store which corresponds
+/* 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,
+static gboolean
+psppire_data_store_set_string(GSheetModel *model,
const gchar *text, gint row, gint col)
{
PsppireDataStore *store = PSPPIRE_DATA_STORE(model);
- const struct PsppireVariable *pv = psppire_dict_get_variable(store->dict, col);
+ const struct variable *pv = psppire_dict_get_variable(store->dict, col);
g_return_val_if_fail(pv, FALSE);
#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)
+ for(r = psppire_case_file_get_case_count(store->case_file); r <= row ; ++r)
{
gint c;
psppire_case_array_insert_case(store->cases, r, 0, 0);
- for (c = 0 ; c < psppire_dict_get_var_cnt(store->dict); ++c )
+ for (c = 0 ; c < psppire_dict_get_var_cnt(store->dict); ++c )
psppire_data_store_clear_datum(model, r, c);
}
#endif
- {
- const gint index = psppire_variable_get_index(pv);
-
- struct data_in d_in;
- d_in.s = text;
- d_in.e = text + strlen(text);
- d_in.v = 0;
- d_in.f1 = d_in.f2 = 0;
- d_in.format = * psppire_variable_get_write_spec(pv);
- d_in.flags = 0;
-
- /*
- if ( ! data_in(&d_in) )
- {
- g_warning("Cannot encode string");
- return FALSE;
- }
- */
-
- psppire_case_file_set_value(store->case_file, row, index, &d_in) ;
- }
+ psppire_case_file_data_in (store->case_file, row,
+ var_get_case_index (pv), ss_cstr (text),
+ var_get_write_format (pv));
return TRUE;
}
void
-psppire_data_store_set_font(PsppireDataStore *store, PangoFontDescription *fd)
+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);
}
-static gboolean
-write_case(const struct ccase *cc,
- gpointer aux)
-{
- struct sfm_writer *writer = aux;
-
- if ( ! sfm_write_case(writer, cc) )
- return FALSE;
-
-
- return TRUE;
-}
-
+/* 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)
{
+ gint i, var_cnt;
const struct sfm_write_options wo = {
true, /* writeable */
false, /* dont compress */
3 /* version */
- };
+ };
struct sfm_writer *writer ;
writer = sfm_open_writer(handle, store->dict->dict, wo);
- if ( ! writer)
+ if ( ! writer)
return;
-#if 0
- psppire_case_array_iterate_case(store->cases, write_case, writer);
-#endif
+
+ var_cnt = psppire_data_store_get_var_count (G_SHEET_MODEL(store));
+
+ 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);
+
+ case_destroy (&c);
+ }
sfm_close_writer(writer);
}
-void
+void
psppire_data_store_clear(PsppireDataStore *data_store)
{
psppire_case_file_clear(data_store->case_file);
/* Column related funcs */
static gint
-geometry_get_column_count(const GSheetColumn *geom, gpointer data)
+geometry_get_column_count(const GSheetColumn *geom)
{
PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
return MAX(MIN_COLUMNS, psppire_dict_get_var_cnt(ds->dict));
}
-/* Return the width that an 'M' character would occupy when typeset at
- row, col */
-static guint
-M_width(const GtkSheet *sheet, gint row, gint col)
-{
- GtkSheetCellAttr attributes;
- PangoRectangle rect;
- /* FIXME: make this a member of the data store */
- static PangoLayout *layout = 0;
-
- gtk_sheet_get_attributes(sheet, row, col, &attributes);
-
- if (! layout )
- layout = gtk_widget_create_pango_layout (GTK_WIDGET(sheet), "M");
-
- g_assert(layout);
-
- pango_layout_set_font_description (layout,
- attributes.font_desc);
-
- pango_layout_get_extents (layout, NULL, &rect);
-
-#if 0
- g_object_unref(G_OBJECT(layout));
-#endif
-
- return PANGO_PIXELS(rect.width);
-}
-
-
-/* Return the number of pixels corresponding to a column of
- WIDTH characters */
-static inline guint
-columnWidthToPixels(GtkSheet *sheet, gint column, guint width)
-{
- return (M_width(sheet, 0, column) * width);
-}
static gint
-geometry_get_width(const GSheetColumn *geom, gint unit, GtkSheet *sheet)
+geometry_get_width(const GSheetColumn *geom, gint unit)
{
- const struct PsppireVariable *pv ;
+ const struct variable *pv ;
PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
if ( unit >= psppire_dict_get_var_cnt(ds->dict) )
- return 75;
-
- /* FIXME: We can optimise this by caching the widths until they're resized */
- pv = psppire_dict_get_variable(ds->dict, unit);
-
- return columnWidthToPixels(sheet, unit, psppire_variable_get_columns(pv));
-}
+ return ds->width_of_m * 8 ;
+ pv = psppire_dict_get_variable (ds->dict, unit);
+ if ( pv == NULL )
+ return ds->width_of_m * 8 ;
+ return ds->width_of_m * var_get_display_width (pv);
+}
static void
-geometry_set_width(GSheetColumn *geom, gint unit, gint width, GtkSheet *sheet)
+geometry_set_width(GSheetColumn *geom, gint unit, gint width)
{
PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
- struct PsppireVariable *pv = psppire_dict_get_variable(ds->dict, unit);
+ struct variable *pv = psppire_dict_get_variable (ds->dict, unit);
- psppire_variable_set_columns(pv, width / M_width(sheet, 1, unit));
+ var_set_display_width (pv, width / ds->width_of_m );
}
static GtkJustification
-geometry_get_justification(const GSheetColumn *geom, gint unit, gpointer data)
+geometry_get_justification(const GSheetColumn *geom, gint unit)
{
PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
- const struct PsppireVariable *pv ;
+ const struct variable *pv ;
if ( unit >= psppire_dict_get_var_cnt(ds->dict) )
pv = psppire_dict_get_variable(ds->dict, unit);
- /* Kludge: Happily GtkJustification is defined similarly
- to enum alignment from pspp/variable.h */
- return psppire_variable_get_alignment(pv);
+ return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
+ : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
+ : GTK_JUSTIFY_CENTER);
}
static const gchar null_var_name[]=N_("var");
-
+
static gchar *
-geometry_get_column_button_label(const GSheetColumn *geom, gint unit,
- gpointer data)
+geometry_get_column_button_label(const GSheetColumn *geom, gint unit)
{
gchar *text;
- struct PsppireVariable *pv ;
+ struct variable *pv ;
PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
if ( unit >= psppire_dict_get_var_cnt(ds->dict) )
return g_locale_to_utf8(null_var_name, -1, 0, 0, 0);
- pv = psppire_dict_get_variable(ds->dict, unit);
+ pv = psppire_dict_get_variable (ds->dict, unit);
- text = pspp_locale_to_utf8(psppire_variable_get_name(pv), -1, 0);
+ text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
return text;
}
static gboolean
-geometry_get_sensitivity(const GSheetColumn *geom, gint unit, gpointer data)
+geometry_get_sensitivity(const GSheetColumn *geom, gint unit)
{
PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
-
return (unit < psppire_dict_get_var_cnt(ds->dict));
}
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;
}
{
PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
-
+
return (unit < psppire_case_file_get_case_count(ds->case_file));
}
gchar *s;
PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom);
- if ( unit >
+ if ( unit >
TRAILING_ROWS + psppire_case_file_get_case_count(ds->case_file))
return 0;
s = g_strdup_printf(_("%d"), unit);
text = pspp_locale_to_utf8(s, -1, 0);
-
+
g_free(s);
-
+
return text;
}
iface->get_button_label = geometry_get_row_button_label;
}
-
-
-
-