X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Fpsppire-data-store.c;h=04b6da0858ea3d1336d75674b1b00bd6b4d21ac7;hb=40c169c1409b0f16e6ee8f0ceaa0ce6937c90a5c;hp=8832e5175e73160989175ff255be8c9dc73af7c7;hpb=e371c5d3ef0199fa913884cb6847a361c37e0e80;p=pspp diff --git a/src/ui/gui/psppire-data-store.c b/src/ui/gui/psppire-data-store.c index 8832e5175e..04b6da0858 100644 --- a/src/ui/gui/psppire-data-store.c +++ b/src/ui/gui/psppire-data-store.c @@ -1,5 +1,6 @@ /* PSPPIRE - a graphical user interface for PSPP. - Copyright (C) 2006, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation + Copyright (C) 2006, 2008, 2009, 2010, 2011, 2012, + 2013, 2016, 2017 Free Software Foundation This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -19,7 +20,7 @@ #include #include #define _(msgid) gettext (msgid) -#define N_(msgid) msgid +#define P_(msgid) msgid #include #include @@ -44,7 +45,7 @@ #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); @@ -67,15 +68,201 @@ static GObjectClass *parent_class = NULL; enum { - BACKEND_CHANGED, - CASES_DELETED, - CASE_INSERTED, + ITEMS_CHANGED, CASE_CHANGED, n_SIGNALS }; static guint signals [n_SIGNALS]; +static gint +__tree_model_iter_n_children (GtkTreeModel *tree_model, + GtkTreeIter *iter) +{ + PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model); + + if (store->datasheet == NULL) + return 0; + + gint n = datasheet_get_n_rows (store->datasheet); + + return n; +} + +static GtkTreeModelFlags +__tree_model_get_flags (GtkTreeModel *model) +{ + g_return_val_if_fail (PSPPIRE_IS_DATA_STORE (model), (GtkTreeModelFlags) 0); + + return GTK_TREE_MODEL_LIST_ONLY; +} + +static gint +__tree_model_get_n_columns (GtkTreeModel *tree_model) +{ + PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model); + + return psppire_dict_get_var_cnt (store->dict); +} + + +static gboolean +__iter_nth_child (GtkTreeModel *tree_model, + GtkTreeIter *iter, + GtkTreeIter *parent, + gint n) +{ + PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model); + + g_assert (parent == NULL); + g_return_val_if_fail (store, FALSE); + + if (!store->datasheet || n >= datasheet_get_n_rows (store->datasheet)) + { + iter->stamp = -1; + iter->user_data = NULL; + return FALSE; + } + + iter->user_data = GINT_TO_POINTER (n); + iter->stamp = store->stamp; + + return TRUE; +} + +gboolean +myreversefunc (GtkTreeModel *model, gint col, gint row, + const gchar *in, GValue *out) +{ + PsppireDataStore *store = PSPPIRE_DATA_STORE (model); + + while (col >= psppire_dict_get_var_cnt (store->dict)) + { + const struct variable *var = + psppire_dict_insert_variable (store->dict, + psppire_dict_get_var_cnt (store->dict), + NULL); + g_return_val_if_fail (var, FALSE); + } + + const struct variable *variable = psppire_dict_get_variable (store->dict, col); + g_return_val_if_fail (variable, FALSE); + + const struct fmt_spec *fmt = var_get_print_format (variable); + + int width = var_get_width (variable); + + union value val; + value_init (&val, width); + char *xx = + data_in (ss_cstr (in), psppire_dict_encoding (store->dict), + fmt->type, &val, width, "UTF-8"); + + GVariant *vrnt = value_variant_new (&val, width); + value_destroy (&val, width); + + g_value_init (out, G_TYPE_VARIANT); + g_value_set_variant (out, vrnt); + free (xx); + return TRUE; +} + +static char * +unlabeled_value (PsppireDataStore *store, const struct variable *variable, const union value *val) +{ + const struct fmt_spec *fmt = var_get_print_format (variable); + return data_out (val, psppire_dict_encoding (store->dict), fmt); +} + +gchar * +psppire_data_store_value_to_string (gpointer unused, PsppireDataStore *store, gint col, gint row, const GValue *v) +{ + const struct variable *variable = psppire_dict_get_variable (store->dict, col); + g_return_val_if_fail (variable, g_strdup ("???")); + + GVariant *vrnt = g_value_get_variant (v); + union value val; + value_variant_get (&val, vrnt); + + char *out = unlabeled_value (store, variable, &val); + + value_destroy_from_variant (&val, vrnt); + + return out; +} + +gchar * +psppire_data_store_value_to_string_with_labels (gpointer unused, PsppireDataStore *store, gint col, gint row, const GValue *v) +{ + const struct variable *variable = psppire_dict_get_variable (store->dict, col); + g_return_val_if_fail (variable, g_strdup ("???")); + + GVariant *vrnt = g_value_get_variant (v); + union value val; + value_variant_get (&val, vrnt); + + char *out = NULL; + + const struct val_labs *vls = var_get_value_labels (variable); + struct val_lab *vl = val_labs_lookup (vls, &val); + if (vl != NULL) + out = strdup (val_lab_get_label (vl)); + else + out = unlabeled_value (store, variable, &val); + + value_destroy_from_variant (&val, vrnt); + + return out; +} + +static void +__get_value (GtkTreeModel *tree_model, + GtkTreeIter *iter, + gint column, + GValue *value) +{ + PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model); + + g_return_if_fail (iter->stamp == store->stamp); + + const struct variable *variable = psppire_dict_get_variable (store->dict, column); + if (NULL == variable) + return; + + g_value_init (value, G_TYPE_VARIANT); + + gint row = GPOINTER_TO_INT (iter->user_data); + + struct ccase *cc = datasheet_get_row (store->datasheet, row); + + const union value *val = case_data_idx (cc, var_get_case_index (variable)); + + GVariant *vv = value_variant_new (val, var_get_width (variable)); + + g_value_set_variant (value, vv); + + case_unref (cc); +} + + +static void +__tree_model_init (GtkTreeModelIface *iface) +{ + iface->get_flags = __tree_model_get_flags; + iface->get_n_columns = __tree_model_get_n_columns ; + iface->get_column_type = NULL; + iface->get_iter = NULL; + iface->iter_next = NULL; + iface->get_path = NULL; + iface->get_value = __get_value; + + iface->iter_children = NULL; + iface->iter_has_child = NULL; + iface->iter_n_children = __tree_model_iter_n_children; + iface->iter_nth_child = __iter_nth_child; + iface->iter_parent = NULL; +} + GType psppire_data_store_get_type (void) @@ -97,9 +284,18 @@ psppire_data_store_get_type (void) (GInstanceInitFunc) psppire_data_store_init, }; + static const GInterfaceInfo tree_model_info = { + (GInterfaceInitFunc) __tree_model_init, + NULL, + NULL + }; + data_store_type = g_type_register_static (G_TYPE_OBJECT, "PsppireDataStore", &data_store_info, 0); + + g_type_add_interface_static (data_store_type, GTK_TYPE_TREE_MODEL, + &tree_model_info); } return data_store_type; @@ -117,27 +313,18 @@ psppire_data_store_class_init (PsppireDataStoreClass *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", + signals [ITEMS_CHANGED] = + g_signal_new ("items-changed", G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, - g_cclosure_marshal_VOID__INT, + psppire_marshal_VOID__UINT_UINT_UINT, G_TYPE_NONE, - 1, - G_TYPE_INT); - + 3, + G_TYPE_UINT, /* Index of the start of the change */ + G_TYPE_UINT, /* The number of items deleted */ + G_TYPE_UINT); /* The number of items inserted */ signals [CASE_CHANGED] = g_signal_new ("case-changed", @@ -149,26 +336,10 @@ psppire_data_store_class_init (PsppireDataStoreClass *class) G_TYPE_NONE, 1, G_TYPE_INT); - - signals [CASES_DELETED] = - g_signal_new ("cases-deleted", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_FIRST, - 0, - NULL, NULL, - psppire_marshal_VOID__INT_INT, - G_TYPE_NONE, - 2, - G_TYPE_INT, - G_TYPE_INT); } -static gboolean -psppire_data_store_insert_value (PsppireDataStore *ds, - gint width, gint where); - casenumber psppire_data_store_get_case_count (const PsppireDataStore *store) { @@ -193,8 +364,19 @@ psppire_data_store_init (PsppireDataStore *data_store) data_store->dict = NULL; data_store->datasheet = NULL; data_store->dispose_has_run = FALSE; + data_store->stamp = g_random_int (); } + +static void +psppire_data_store_delete_value (PsppireDataStore *store, gint case_index) +{ + g_return_if_fail (store->datasheet); + datasheet_delete_columns (store->datasheet, case_index, 1); + datasheet_insert_column (store->datasheet, NULL, -1, case_index); +} + + /* A callback which occurs after a variable has been deleted. */ @@ -205,10 +387,7 @@ delete_variable_callback (GObject *obj, const struct variable *var UNUSED, { PsppireDataStore *store = PSPPIRE_DATA_STORE (data); - g_return_if_fail (store->datasheet); - - datasheet_delete_columns (store->datasheet, case_index, 1); - datasheet_insert_column (store->datasheet, NULL, -1, case_index); + psppire_data_store_delete_value (store, case_index); } struct resize_datum_aux @@ -292,12 +471,17 @@ psppire_data_store_set_reader (PsppireDataStore *ds, struct casereader *reader) { gint i; - + gint old_n = 0; if ( ds->datasheet) - datasheet_destroy (ds->datasheet); + { + old_n = datasheet_get_n_rows (ds->datasheet); + datasheet_destroy (ds->datasheet); + } ds->datasheet = datasheet_create (reader); + gint new_n = datasheet_get_n_rows (ds->datasheet); + if ( ds->dict ) for (i = 0 ; i < n_dict_signals; ++i ) { @@ -308,7 +492,7 @@ psppire_data_store_set_reader (PsppireDataStore *ds, } } - g_signal_emit (ds, signals[BACKEND_CHANGED], 0); + g_signal_emit (ds, signals[ITEMS_CHANGED], 0, 0, old_n, new_n); } @@ -426,6 +610,27 @@ psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn) return result; } +gboolean +psppire_data_store_get_value (PsppireDataStore *store, + glong row, const struct variable *var, + union value *val) +{ + g_return_val_if_fail (store != NULL, FALSE); + g_return_val_if_fail (store->datasheet != NULL, FALSE); + g_return_val_if_fail (var != NULL, FALSE); + + if (row < 0 || row >= datasheet_get_n_rows (store->datasheet)) + return FALSE; + + int width = var_get_width (var); + value_init (val, width); + datasheet_get_value (store->datasheet, row, var_get_case_index (var), val); + + return TRUE; +} + + + gchar * psppire_data_store_get_string (PsppireDataStore *store, glong row, const struct variable *var, @@ -433,19 +638,10 @@ psppire_data_store_get_string (PsppireDataStore *store, { gchar *string; union value v; - int width; - - g_return_val_if_fail (store != NULL, NULL); - g_return_val_if_fail (store->datasheet != NULL, NULL); - g_return_val_if_fail (var != NULL, NULL); - - if (row < 0 || row >= datasheet_get_n_rows (store->datasheet)) + int width = var_get_width (var); + if (! psppire_data_store_get_value (store, row, var, &v)) return NULL; - width = var_get_width (var); - value_init (&v, width); - datasheet_get_value (store->datasheet, row, var_get_case_index (var), &v); - string = NULL; if (use_value_label) { @@ -515,7 +711,7 @@ psppire_data_store_clear (PsppireDataStore *ds) psppire_dict_clear (ds->dict); - g_signal_emit (ds, signals [CASES_DELETED], 0, 0, -1); + g_signal_emit (ds, signals [ITEMS_CHANGED], 0, 0, -1, 0); } @@ -542,17 +738,6 @@ psppire_data_store_get_reader (PsppireDataStore *ds) return reader; } - - -/* Column related funcs */ - - -static const gchar null_var_name[]=N_("var"); - - - - - /* Returns the CASENUMth case, or a null pointer on failure. */ struct ccase * @@ -579,7 +764,7 @@ psppire_data_store_delete_cases (PsppireDataStore *ds, casenumber first, datasheet_delete_rows (ds->datasheet, first, n_cases); - g_signal_emit (ds, signals [CASES_DELETED], 0, first, n_cases); + g_signal_emit (ds, signals[ITEMS_CHANGED], 0, first, n_cases, 0); return TRUE; } @@ -601,7 +786,9 @@ psppire_data_store_insert_case (PsppireDataStore *ds, result = datasheet_insert_rows (ds->datasheet, posn, &cc, 1); if ( result ) - g_signal_emit (ds, signals [CASE_INSERTED], 0, posn); + { + g_signal_emit (ds, signals[ITEMS_CHANGED], 0, posn, 0, 1); + } else g_warning ("Cannot insert case at position %ld\n", posn); @@ -632,7 +819,10 @@ psppire_data_store_set_value (PsppireDataStore *ds, casenumber casenum, ok = datasheet_put_value (ds->datasheet, casenum, var_get_case_index (var), v); if (ok) - g_signal_emit (ds, signals [CASE_CHANGED], 0, casenum); + { + g_signal_emit (ds, signals [CASE_CHANGED], 0, casenum); + g_signal_emit (ds, signals [ITEMS_CHANGED], 0, casenum, 1, 1); + } return ok; } @@ -676,7 +866,7 @@ psppire_data_store_data_in (PsppireDataStore *ds, casenumber casenum, gint idx, given WIDTH into every one of them at the position immediately preceding WHERE. */ -static gboolean +gboolean psppire_data_store_insert_value (PsppireDataStore *ds, gint width, gint where) {