X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp-builds.git;a=blobdiff_plain;f=src%2Fui%2Fgui%2Fpsppire-data-store.c;h=13ad0cc6cd283edfb9656a67f4eb2b3f7ae7873b;hp=6df379731695183763f4a39af44470d0c7e327f3;hb=f15c854d8500105766b2f5666bb62b983ff24f88;hpb=87b6d42a2d540b92baf0db8fe28657eda747b3b0 diff --git a/src/ui/gui/psppire-data-store.c b/src/ui/gui/psppire-data-store.c index 6df37973..13ad0cc6 100644 --- a/src/ui/gui/psppire-data-store.c +++ b/src/ui/gui/psppire-data-store.c @@ -1,12 +1,9 @@ -/* 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 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, @@ -15,62 +12,80 @@ 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 . */ #include #include #include #include -#define _(msgid) gettext(msgid) +#define _(msgid) gettext (msgid) #define N_(msgid) msgid -#include -#include +#include +#include +#include -#include -#include -#include +#include +#include + +#include -#include "psppire-variable.h" #include "psppire-data-store.h" +#include #include "helper.h" #include #include #include #include +#include + +#include -#include -#include +#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_column_init (GSheetColumnIface *iface); -static void psppire_data_store_sheet_row_init (GSheetRowIface *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 gchar *psppire_data_store_get_string(const GSheetModel *sheet_model, gint row, gint column); +static gboolean psppire_data_store_clear_datum (PsppireSheetModel *model, + glong row, glong column); -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_insert_case (PsppireDataStore *ds, + struct ccase *cc, + casenumber posn); -#define MIN_COLUMNS 10 +static gboolean psppire_data_store_data_in (PsppireDataStore *ds, + casenumber casenum, gint idx, + struct substring input, + const struct fmt_spec *fmt); + -#define TRAILING_ROWS 10 static GObjectClass *parent_class = NULL; -inline GType + +enum + { + BACKEND_CHANGED, + CASES_DELETED, + CASE_INSERTED, + CASE_CHANGED, + n_SIGNALS + }; + +static guint signals [n_SIGNALS]; + + +GType psppire_data_store_get_type (void) { static GType data_store_type = 0; @@ -97,40 +112,21 @@ psppire_data_store_get_type (void) NULL }; - static const GInterfaceInfo sheet_column_info = - { - (GInterfaceInitFunc) psppire_data_store_sheet_column_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, + PSPPIRE_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); } return data_store_type; } + static void psppire_data_store_class_init (PsppireDataStoreClass *class) { @@ -140,161 +136,277 @@ psppire_data_store_class_init (PsppireDataStoreClass *class) object_class = (GObjectClass*) class; 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", + 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 [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); + + 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 gint -psppire_data_store_get_var_count (const GSheetModel *model) +static gboolean +psppire_data_store_insert_value (PsppireDataStore *ds, + gint width, gint where); + +static bool +psppire_data_store_get_value (const PsppireDataStore *ds, + casenumber casenum, size_t idx, + union value *value); + + +static gboolean +psppire_data_store_set_value (PsppireDataStore *ds, casenumber casenum, + gint idx, union value *v); + + + + +static glong +psppire_data_store_get_var_count (const PsppireSheetModel *model) +{ + const PsppireDataStore *store = PSPPIRE_DATA_STORE (model); + + return psppire_dict_get_var_cnt (store->dict); +} + +casenumber +psppire_data_store_get_case_count (const PsppireDataStore *store) { - const PsppireDataStore *store = PSPPIRE_DATA_STORE(model); - - return psppire_dict_get_var_cnt(store->dict); + return datasheet_get_n_rows (store->datasheet); } -static gint -psppire_data_store_get_case_count (const GSheetModel *model) +size_t +psppire_data_store_get_value_count (const PsppireDataStore *store) { - const PsppireDataStore *store = PSPPIRE_DATA_STORE(model); + return psppire_dict_get_value_cnt (store->dict); +} - return psppire_case_file_get_case_count(store->case_file); +const struct caseproto * +psppire_data_store_get_proto (const PsppireDataStore *store) +{ + return psppire_dict_get_proto (store->dict); } +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); +} static void psppire_data_store_init (PsppireDataStore *data_store) { data_store->dict = 0; - data_store->case_file = 0; + data_store->datasheet = NULL; + data_store->dispose_has_run = FALSE; +} + +static inline gchar * +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); } -const PangoFontDescription * -psppire_data_store_get_font_desc(const GSheetModel *model, - gint row, gint column) + +static inline gboolean +psppire_data_store_set_string_wrapper (PsppireSheetModel *model, + const gchar *text, + glong row, glong column) { - PsppireDataStore *store = PSPPIRE_DATA_STORE(model); - - return store->font_desc; + return psppire_data_store_set_string (PSPPIRE_DATA_STORE (model), text, + row, column); } + +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 PsppireSheetModel *model, gint row); +static gboolean get_row_sensitivity (const PsppireSheetModel *model, gint row); +static gboolean get_row_overstrike (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; - iface->set_string = psppire_data_store_set_string; + 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; -} + iface->get_row_count = psppire_data_store_get_case_count_wrapper; -static -gboolean always_true() -{ - return TRUE; + iface->get_column_subtitle = get_column_subtitle; + iface->get_column_title = get_column_button_label; + iface->get_column_sensitivity = get_column_sensitivity; + iface->get_column_justification = get_column_justification; + + iface->get_row_title = get_row_button_label; + iface->get_row_sensitivity = get_row_sensitivity; + iface->get_row_overstrike = get_row_overstrike; } +/* + A callback which occurs after a variable has been deleted. + */ static void -delete_cases_callback(GtkWidget *w, gint first, gint n_cases, gpointer data) +delete_variable_callback (GObject *obj, gint dict_index, + gint case_index, gint width, + gpointer data) { - PsppireDataStore *store ; + PsppireDataStore *store = PSPPIRE_DATA_STORE (data); - g_return_if_fail (data); - store = PSPPIRE_DATA_STORE(data); + psppire_sheet_model_columns_deleted (PSPPIRE_SHEET_MODEL (store), dict_index, 1); + datasheet_delete_columns (store->datasheet, case_index, 1); + datasheet_insert_column (store->datasheet, NULL, -1, case_index); +#if AXIS_TRANSITION - g_assert(first >= 0); - g_sheet_model_rows_deleted (G_SHEET_MODEL(store), first, n_cases); + psppire_sheet_column_columns_changed (PSPPIRE_SHEET_COLUMN (store), + dict_index, -1); +#endif } - static void -insert_case_callback(GtkWidget *w, gint casenum, gpointer data) +variable_changed_callback (GObject *obj, gint var_num, gpointer data) { - PsppireDataStore *store ; - - g_return_if_fail (data); +#if AXIS_TRANSITION + PsppireDataStore *store = PSPPIRE_DATA_STORE (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); + psppire_sheet_column_columns_changed (PSPPIRE_SHEET_COLUMN (store), + var_num, 1); - g_sheet_model_rows_inserted (G_SHEET_MODEL(store), casenum, 1); + psppire_sheet_model_range_changed (PSPPIRE_SHEET_MODEL (store), + -1, var_num, + -1, var_num); +#endif } - static void -changed_case_callback(GtkWidget *w, gint casenum, 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); - - g_sheet_model_range_changed (G_SHEET_MODEL(store), - casenum, -1, - casenum, -1); -} + store = PSPPIRE_DATA_STORE (data); + 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); -static void -delete_variables_callback(GObject *obj, gint var_num, gint n_vars, gpointer data) -{ - PsppireDataStore *store ; +#if AXIS_TRANSITION - g_return_if_fail (data); + psppire_sheet_column_columns_changed (PSPPIRE_SHEET_COLUMN (store), + var_num, 1); +#endif - store = PSPPIRE_DATA_STORE(data); + psppire_sheet_model_columns_inserted (PSPPIRE_SHEET_MODEL (store), var_num, 1); +} - g_sheet_model_columns_deleted (G_SHEET_MODEL(store), var_num, n_vars); +struct resize_datum_aux + { + int old_width; + int new_width; + }; - g_sheet_column_columns_changed(G_SHEET_COLUMN(store), - var_num, -1); -} -static void -insert_variable_callback(GObject *obj, gint var_num, gpointer data) +void +resize_datum (const union value *old, union value *new, void *aux_) { - PsppireDataStore *store; - - g_return_if_fail (data); + struct resize_datum_aux *aux = aux_; - 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 (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, ' '); +} - g_sheet_column_columns_changed(G_SHEET_COLUMN(store), - var_num, 1); +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); - g_sheet_model_columns_inserted (G_SHEET_MODEL(store), var_num, 1); + 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. @@ -309,12 +421,37 @@ psppire_data_store_new (PsppireDict *dict) retval = g_object_new (GTK_TYPE_DATA_STORE, NULL); - psppire_data_store_set_dictionary(retval, dict); - + psppire_data_store_set_dictionary (retval, dict); return retval; } +void +psppire_data_store_set_reader (PsppireDataStore *ds, + struct casereader *reader) +{ + gint i; + + if ( ds->datasheet) + datasheet_destroy (ds->datasheet); + + 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 ) + { + if ( ds->dict_handler_id [i] > 0) + { + g_signal_handler_unblock (ds->dict, + ds->dict_handler_id[i]); + } + } + + g_signal_emit (ds, signals[BACKEND_CHANGED], 0); +} /** @@ -326,49 +463,62 @@ psppire_data_store_new (PsppireDict *dict) * 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); + + data_store->dict_handler_id [VARIABLE_CHANGED] = + 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); + } - 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); + /* The entire model has changed */ + psppire_sheet_model_range_changed (PSPPIRE_SHEET_MODEL (data_store), -1, -1, -1, -1); - g_signal_connect(dict, "variables-deleted", - G_CALLBACK(delete_variables_callback), - data_store); +#if AXIS_TRANSITION + psppire_sheet_column_columns_changed (PSPPIRE_SHEET_COLUMN (data_store), 0, -1); +#endif - /* 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 @@ -380,423 +530,501 @@ psppire_data_store_finalize (GObject *object) } -static gchar * -psppire_data_store_get_string(const GSheetModel *model, gint row, gint column) +static void +psppire_data_store_dispose (GObject *object) +{ + PsppireDataStore *ds = PSPPIRE_DATA_STORE (object); + + if (ds->dispose_has_run) + return; + + if (ds->datasheet) + { + datasheet_destroy (ds->datasheet); + ds->datasheet = NULL; + } + + /* must chain up */ + (* parent_class->dispose) (object); + + ds->dispose_has_run = TRUE; +} + + + +/* 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); + + 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); + + cc = case_create (proto); + case_set_missing (cc); + + result = psppire_data_store_insert_case (ds, cc, posn); + + case_unref (cc); + + return result; +} + + +gchar * +psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column) { gint idx; char *text; const struct fmt_spec *fp ; - const struct PsppireVariable *pv ; - const union value *v ; - GString *s; - PsppireDataStore *store = PSPPIRE_DATA_STORE(model); + const struct variable *pv ; + union value v; + int width; - 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->datasheet, 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_data_store_get_case_count (store)) return NULL; - pv = psppire_dict_get_variable(store->dict, column); + pv = psppire_dict_get_variable (store->dict, column); - idx = psppire_variable_get_fv(pv); + g_assert (pv); - v = psppire_case_file_get_value(store->case_file, row, idx); + idx = var_get_case_index (pv); + width = var_get_width (pv); - if ( store->show_labels) - { - const struct val_labs * vl = psppire_variable_get_value_labels(pv); + g_assert (idx >= 0); - const gchar *label; - if ( (label = val_labs_find(vl, *v)) ) - { - return pspp_locale_to_utf8(label, -1, 0); - } - } + value_init (&v, width); + if (!psppire_data_store_get_value (store, row, idx, &v)) + return NULL; - fp = psppire_variable_get_write_spec(pv); + if ( store->show_labels) + { + const gchar *label = var_lookup_value_label (pv, &v); + if (label) + { + value_destroy (&v, width); + return recode_string (UTF8, psppire_dict_encoding (store->dict), + label, -1); + } + } - s = g_string_sized_new (fp->w + 1); - g_string_set_size(s, fp->w); - - memset(s->str, 0, fp->w); + fp = var_get_write_format (pv); - 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); + text = data_out (&v, fp); - text = pspp_locale_to_utf8(s->str, fp->w, 0); - g_string_free(s, TRUE); + g_strchomp (text); + value_destroy (&v, width); return text; } -static gboolean -psppire_data_store_clear_datum(GSheetModel *model, - gint row, gint col) - +static gboolean +psppire_data_store_clear_datum (PsppireSheetModel *model, + glong row, glong col) { - PsppireDataStore *store = PSPPIRE_DATA_STORE(model); + 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); + int width = var_get_width (pv); - const gint index = psppire_variable_get_fv(pv) ; + const gint index = var_get_case_index (pv) ; - if ( psppire_variable_get_type(pv) == NUMERIC) - v.f = SYSMIS; - else - memcpy(v.s, "", MAX_SHORT_STRING); + value_init (&v, width); + value_set_missing (&v, width); + psppire_data_store_set_value (store, row, index, &v); + value_destroy (&v, width); + + psppire_sheet_model_range_changed (model, row, col, row, col); - psppire_case_file_set_value(store->case_file, row, index, &v); 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, - const gchar *text, gint row, gint col) +gboolean +psppire_data_store_set_string (PsppireDataStore *store, + const gchar *text, glong row, glong col) { - PsppireDataStore *store = PSPPIRE_DATA_STORE(model); - - const struct PsppireVariable *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) - { + gchar *s; + glong n_cases; + const struct variable *pv = psppire_dict_get_variable (store->dict, col); + if ( NULL == pv) + return FALSE; - gint c; + n_cases = psppire_data_store_get_case_count (store); - psppire_case_array_insert_case(store->cases, r, 0, 0); + if ( row > n_cases) + return FALSE; + if (row == n_cases) + psppire_data_store_insert_new_case (store, row); - for (c = 0 ; c < psppire_dict_get_var_cnt(store->dict); ++c ) - psppire_data_store_clear_datum(model, r, c); - } -#endif + s = recode_string (psppire_dict_encoding (store->dict), UTF8, text, -1); - { - const gint index = psppire_variable_get_fv(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_data_store_data_in (store, row, + var_get_case_index (pv), ss_cstr (s), + var_get_write_format (pv)); + free (s); - psppire_case_file_set_value(store->case_file, row, index, &d_in) ; - } + psppire_sheet_model_range_changed (PSPPIRE_SHEET_MODEL (store), row, col, row, col); return TRUE; } + void -psppire_data_store_set_font(PsppireDataStore *store, PangoFontDescription *fd) +psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels) { g_return_if_fail (store); g_return_if_fail (PSPPIRE_IS_DATA_STORE (store)); - store->font_desc = fd; - g_sheet_model_range_changed (G_SHEET_MODEL(store), + store->show_labels = show_labels; + + psppire_sheet_model_range_changed (PSPPIRE_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 [CASES_DELETED], 0, 0, -1); } -static gboolean -write_case(const struct ccase *cc, - gpointer aux) +/* Return a casereader made from this datastore */ +struct casereader * +psppire_data_store_get_reader (PsppireDataStore *ds) { - struct sfm_writer *writer = aux; + int i; + struct casereader *reader ; - if ( ! sfm_write_case(writer, cc) ) - return FALSE; + if ( ds->dict ) + for (i = 0 ; i < n_dict_signals; ++i ) + { + g_signal_handler_block (ds->dict, + ds->dict_handler_id[i]); + } + reader = datasheet_make_reader (ds->datasheet); - return TRUE; + /* We must not reference this again */ + ds->datasheet = NULL; + + return reader; } -void -psppire_data_store_create_system_file(PsppireDataStore *store, - struct file_handle *handle) -{ - const struct sfm_write_options wo = { - true, /* writeable */ - false, /* dont compress */ - 3 /* version */ - }; - struct sfm_writer *writer ; - g_assert(handle); +/* Column related funcs */ - writer = sfm_open_writer(handle, store->dict->dict, wo); - if ( ! writer) - return; +static const gchar null_var_name[]=N_("var"); -#if 0 - psppire_case_array_iterate_case(store->cases, write_case, writer); -#endif + - sfm_close_writer(writer); -} +/* Row related funcs */ +static gchar * +get_row_button_label (const PsppireSheetModel *model, gint unit) +{ + PsppireDataStore *ds = PSPPIRE_DATA_STORE (model); + gchar *s = g_strdup_printf (_("%d"), unit + FIRST_CASE_NUMBER); + gchar *text = recode_string (UTF8, psppire_dict_encoding (ds->dict), + s, -1); -void -psppire_data_store_clear(PsppireDataStore *data_store) -{ - psppire_case_file_clear(data_store->case_file); + g_free (s); - psppire_dict_clear(data_store->dict); + return text; } +static gboolean +get_row_sensitivity (const PsppireSheetModel *model, gint unit) +{ + PsppireDataStore *ds = PSPPIRE_DATA_STORE (model); + return (unit < psppire_data_store_get_case_count (ds)); +} -/* Column related funcs */ -static gint -geometry_get_column_count(const GSheetColumn *geom, gpointer data) -{ - PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom); + - return MAX(MIN_COLUMNS, psppire_dict_get_var_cnt(ds->dict)); -} +/* Column related stuff */ -/* 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) +static gchar * +get_column_subtitle (const PsppireSheetModel *model, gint col) { - GtkSheetCellAttr attributes; - PangoRectangle rect; - /* FIXME: make this a member of the data store */ - static PangoLayout *layout = 0; + const struct variable *v ; + PsppireDataStore *ds = PSPPIRE_DATA_STORE (model); + + if ( col >= psppire_dict_get_var_cnt (ds->dict) ) + return NULL; + + v = psppire_dict_get_variable (ds->dict, col); - gtk_sheet_get_attributes(sheet, row, col, &attributes); + if ( ! var_has_label (v)) + return NULL; - if (! layout ) - layout = gtk_widget_create_pango_layout (GTK_WIDGET(sheet), "M"); + return xstrdup (var_get_label (v)); +} - g_assert(layout); - - pango_layout_set_font_description (layout, - attributes.font_desc); +static gchar * +get_column_button_label (const PsppireSheetModel *model, gint col) +{ + struct variable *pv ; + PsppireDataStore *ds = PSPPIRE_DATA_STORE (model); - pango_layout_get_extents (layout, NULL, &rect); + if ( col >= psppire_dict_get_var_cnt (ds->dict) ) + return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0); -#if 0 - g_object_unref(G_OBJECT(layout)); -#endif + pv = psppire_dict_get_variable (ds->dict, col); - return PANGO_PIXELS(rect.width); + return xstrdup (var_get_name (pv)); } - -/* Return the number of pixels corresponding to a column of - WIDTH characters */ -static inline guint -columnWidthToPixels(GtkSheet *sheet, gint column, guint width) +static gboolean +get_column_sensitivity (const PsppireSheetModel *model, gint col) { - return (M_width(sheet, 0, column) * width); + PsppireDataStore *ds = PSPPIRE_DATA_STORE (model); + + return (col < psppire_dict_get_var_cnt (ds->dict)); } -static gint -geometry_get_width(const GSheetColumn *geom, gint unit, GtkSheet *sheet) + +static GtkJustification +get_column_justification (const PsppireSheetModel *model, gint col) { - const struct PsppireVariable *pv ; - PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom); + PsppireDataStore *ds = PSPPIRE_DATA_STORE (model); + const struct variable *pv ; - if ( unit >= psppire_dict_get_var_cnt(ds->dict) ) - return 75; + if ( col >= psppire_dict_get_var_cnt (ds->dict) ) + return GTK_JUSTIFY_LEFT; - /* FIXME: We can optimise this by caching the widths until they're resized */ - pv = psppire_dict_get_variable(ds->dict, unit); + pv = psppire_dict_get_variable (ds->dict, col); - return columnWidthToPixels(sheet, unit, psppire_variable_get_columns(pv)); + return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT + : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT + : GTK_JUSTIFY_CENTER); } + -static void -geometry_set_width(GSheetColumn *geom, gint unit, gint width, GtkSheet *sheet) -{ - PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom); - struct PsppireVariable *pv = psppire_dict_get_variable(ds->dict, unit); +/* 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); - psppire_variable_set_columns(pv, width / M_width(sheet, 1, unit)); + return datasheet_get_row (ds->datasheet, casenum); } - -static GtkJustification -geometry_get_justification(const GSheetColumn *geom, gint unit, gpointer data) +gboolean +psppire_data_store_delete_cases (PsppireDataStore *ds, casenumber first, + casenumber n_cases) { - PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom); - const struct PsppireVariable *pv ; + 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); - if ( unit >= psppire_dict_get_var_cnt(ds->dict) ) - return GTK_JUSTIFY_LEFT; - pv = psppire_dict_get_variable(ds->dict, unit); + 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); - /* Kludge: Happily GtkJustification is defined similarly - to enum alignment from pspp/variable.h */ - return psppire_variable_get_alignment(pv); + return TRUE; } -static const gchar null_var_name[]=N_("var"); - -static gchar * -geometry_get_column_button_label(const GSheetColumn *geom, gint unit, - gpointer data) + +/* Insert case CC into the case file before POSN */ +static gboolean +psppire_data_store_insert_case (PsppireDataStore *ds, + struct ccase *cc, + casenumber posn) { - gchar *text; - struct PsppireVariable *pv ; - PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom); + bool result ; - 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); + case_ref (cc); + result = datasheet_insert_rows (ds->datasheet, posn, &cc, 1); - text = pspp_locale_to_utf8(psppire_variable_get_name(pv), -1, 0); + 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 text; + return result; } -static gboolean -geometry_get_sensitivity(const GSheetColumn *geom, gint unit, gpointer data) +/* Copies the IDXth value from case CASENUM into VALUE, which + must be of the correct width for IDX. + Returns true if successful, false on failure. */ +static bool +psppire_data_store_get_value (const PsppireDataStore *ds, + casenumber casenum, size_t idx, + union value *value) { - PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom); + g_return_val_if_fail (ds, false); + g_return_val_if_fail (ds->datasheet, false); + g_return_val_if_fail (idx < datasheet_get_n_columns (ds->datasheet), false); - - return (unit < psppire_dict_get_var_cnt(ds->dict)); + return datasheet_get_value (ds->datasheet, casenum, idx, value); } -static void -psppire_data_store_sheet_column_init (GSheetColumnIface *iface) + +/* Set the IDXth value of case C to V. + V must be the correct width for IDX. + 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) { - 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; + 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_n_columns (ds->datasheet), FALSE); - iface->get_button_label = geometry_get_column_button_label; + ok = datasheet_put_value (ds->datasheet, casenum, idx, v); + if (ok) + g_signal_emit (ds, signals [CASE_CHANGED], 0, casenum); + + return ok; } -/* Row related funcs */ -static gint -geometry_get_row_count(const GSheetRow *geom, gpointer data) + +/* 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) { - PsppireDataStore *ds = PSPPIRE_DATA_STORE(geom); + union value value; + int width; + bool ok; - return TRAILING_ROWS + psppire_case_file_get_case_count(ds->case_file); -} + g_return_val_if_fail (ds, FALSE); + g_return_val_if_fail (ds->datasheet, FALSE); + g_return_val_if_fail (idx < datasheet_get_n_columns (ds->datasheet), FALSE); -static gint -geometry_get_height(const GSheetRow *geom, gint unit, gpointer data) -{ - return 25; -} + 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 (input, LEGACY_NATIVE, fmt->type, 0, 0, 0, &value, width) + && datasheet_put_value (ds->datasheet, casenum, idx, &value)); + value_destroy (&value, width); + + if (ok) + g_signal_emit (ds, signals [CASE_CHANGED], 0, casenum); + return ok; +} +/* 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. +*/ static gboolean -geometry_get_row_sensitivity(const GSheetRow *geom, gint unit, gpointer data) +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); + if (width == 0) + value.f = 0; + else + value_set_missing (&value, width); - s = g_strdup_printf(_("%d"), unit); + datasheet_insert_column (ds->datasheet, &value, width, where); - 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) +static gboolean +get_row_overstrike (const PsppireSheetModel *model, gint row) { - iface->get_row_count = geometry_get_row_count; + union value val; + PsppireDataStore *ds = PSPPIRE_DATA_STORE (model); - iface->get_height = geometry_get_height; - iface->set_height = 0; - iface->get_visibility = always_true; - iface->get_sensitivity = geometry_get_row_sensitivity; + const struct dictionary *dict = ds->dict->dict; - iface->get_button_label = geometry_get_row_button_label; -} + const struct variable *filter = dict_get_filter (dict); + if ( row < 0 || row >= datasheet_get_n_rows (ds->datasheet)) + return FALSE; + if ( ! filter) + return FALSE; + g_assert (var_is_numeric (filter)); + value_init (&val, 0); + if ( ! datasheet_get_value (ds->datasheet, row, + var_get_case_index (filter), + &val) ) + return FALSE; + + + return (val.f == 0.0); +}