static void text_tag_table_foreach_cb (GtkTextTag *tag, FilterData *fdata) { const GValue *cvalue; const gchar *label; gint row; if (! fdata->cloud->priv->model) return; if (fdata->cloud->priv->label_column < 0) return; /* check for the data model's column type */ GdaColumn *column; column = gda_data_model_describe_column (fdata->cloud->priv->model, fdata->cloud->priv->label_column); if (!column || (gda_column_get_g_type (column) != G_TYPE_STRING)) { g_warning (_("Wrong column type for label: expecting a string and got a %s"), gda_g_type_to_string (gda_column_get_g_type (column))); return; } row = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tag), "row")) - 1; if (row < 0) return; cvalue = gda_data_model_get_value_at (fdata->cloud->priv->model, fdata->cloud->priv->label_column, row, NULL); if (!cvalue) return; label = g_value_get_string (cvalue); if (!(fdata->find) || !*(fdata->find)) { g_object_set (tag, "foreground", "#6161F2", NULL); } else { gchar *ptr, *lcname, *lcfind; lcname = prepare_cmp_string (label); lcfind = prepare_cmp_string (fdata->find); ptr = strstr (lcname, lcfind); if (!ptr) { /* string not present in name */ g_object_set (tag, "foreground", "#DBDBDB", NULL); } else if ((ptr == lcname) || ((*label == '"') && (ptr == lcname+1))) { /* string present as start of name */ g_object_set (tag, "foreground", "#6161F2", NULL); } else { /* string present in name but not at the start */ g_object_set (tag, "foreground", "#A0A0A0", NULL); } g_free (lcname); g_free (lcfind); } }
/* * executed in the sub thread (the one which can manipulate @sub_model) */ GdaDataModel * _gda_thread_recordset_new (GdaConnection *cnc, GdaThreadWrapper *wrapper, GdaDataModel *sub_model) { GdaThreadRecordset *model; gint ncols, i, nblobs; gint *blobs_conv = NULL; model = GDA_THREAD_RECORDSET (g_object_new (GDA_TYPE_THREAD_RECORDSET, "connection", cnc, NULL)); _gda_data_select_share_private_data (GDA_DATA_SELECT (sub_model), GDA_DATA_SELECT (model)); model->priv->wrapper = g_object_ref (wrapper); model->priv->sub_model = g_object_ref (sub_model); ncols = gda_data_model_get_n_columns (sub_model); nblobs = 0; for (i = 0; i < ncols; i++) { GdaColumn *col; col = gda_data_model_describe_column (sub_model, i); if (gda_column_get_g_type (col) == GDA_TYPE_BLOB) { if (!blobs_conv) blobs_conv = g_new0 (gint, ncols); blobs_conv [nblobs] = i; nblobs++; } } model->priv->blobs_conv = blobs_conv; model->priv->nblobs = nblobs; COPY_PUBLIC_DATA (sub_model, model); return GDA_DATA_MODEL (model); }
/** * gda_data_model_array_copy_model: * @src: a #GdaDataModel to copy data from * @error: a place to store errors, or %NULL * * Makes a copy of @src into a new #GdaDataModelArray object * * Returns: (transfer full) (allow-none): a new data model, or %NULL if an error occurred */ GdaDataModelArray * gda_data_model_array_copy_model (GdaDataModel *src, GError **error) { GdaDataModel *model; gint nbfields, i; g_return_val_if_fail (GDA_IS_DATA_MODEL (src), NULL); nbfields = gda_data_model_get_n_columns (src); model = gda_data_model_array_new (nbfields); if (g_object_get_data (G_OBJECT (src), "name")) g_object_set_data_full (G_OBJECT (model), "name", g_strdup (g_object_get_data (G_OBJECT (src), "name")), g_free); if (g_object_get_data (G_OBJECT (src), "descr")) g_object_set_data_full (G_OBJECT (model), "descr", g_strdup (g_object_get_data (G_OBJECT (src), "descr")), g_free); for (i = 0; i < nbfields; i++) { GdaColumn *copycol, *srccol; gchar *colid; srccol = gda_data_model_describe_column (src, i); copycol = gda_data_model_describe_column (model, i); g_object_get (G_OBJECT (srccol), "id", &colid, NULL); g_object_set (G_OBJECT (copycol), "id", colid, NULL); g_free (colid); gda_column_set_description (copycol, gda_column_get_description (srccol)); gda_column_set_name (copycol, gda_column_get_name (srccol)); gda_column_set_dbms_type (copycol, gda_column_get_dbms_type (srccol)); gda_column_set_g_type (copycol, gda_column_get_g_type (srccol)); gda_column_set_position (copycol, gda_column_get_position (srccol)); gda_column_set_allow_null (copycol, gda_column_get_allow_null (srccol)); } if (! gda_data_model_import_from_model (model, src, FALSE, NULL, error)) { g_object_unref (model); model = NULL; } /*else gda_data_model_dump (model, stdout);*/ return (GdaDataModelArray*) model; }
static void update_display (GdauiCloud *cloud) { GtkTextBuffer *tbuffer; GtkTextIter start, end; /* clean all */ tbuffer = cloud->priv->tbuffer; gtk_text_buffer_get_start_iter (tbuffer, &start); gtk_text_buffer_get_end_iter (tbuffer, &end); gtk_text_buffer_delete (tbuffer, &start, &end); if (cloud->priv->selected_tags) { g_slist_foreach (cloud->priv->selected_tags, (GFunc) g_object_unref, NULL); g_slist_free (cloud->priv->selected_tags); cloud->priv->selected_tags = NULL; sync_iter_with_selection (cloud); g_signal_emit_by_name (cloud, "selection-changed"); } if (!cloud->priv->model) return; if (cloud->priv->label_column < 0) return; /* check for the data model's column type */ GdaColumn *column; column = gda_data_model_describe_column (cloud->priv->model, cloud->priv->label_column); if (!column || (gda_column_get_g_type (column) != G_TYPE_STRING)) { g_warning (_("Wrong column type for label: expecting a string and got a %s"), gda_g_type_to_string (gda_column_get_g_type (column))); return; } gint nrows, i; nrows = gda_data_model_get_n_rows (cloud->priv->model); /* compute scale range */ gdouble min_weight = G_MAXDOUBLE, max_weight = G_MINDOUBLE, wrange; if ((cloud->priv->weight_column >= 0) || cloud->priv->weight_func) { for (i = 0; i < nrows; i++) { const GValue *cvalue; gdouble weight = 1.; if (cloud->priv->weight_func) { weight = cloud->priv->weight_func (cloud->priv->model, i, cloud->priv->weight_func_data); min_weight = MIN (min_weight, weight); max_weight = MAX (max_weight, weight); } else { cvalue = gda_data_model_get_value_at (cloud->priv->model, cloud->priv->weight_column, i, NULL); if (cvalue) { weight = g_ascii_strtod (gda_value_stringify (cvalue), NULL); min_weight = MIN (min_weight, weight); max_weight = MAX (max_weight, weight); } } } } if (max_weight > min_weight) wrange = (cloud->priv->max_scale - cloud->priv->min_scale) / (max_weight - min_weight); else wrange = 0.; gtk_text_buffer_get_start_iter (tbuffer, &start); for (i = 0; i < nrows; i++) { const GValue *cvalue; gdouble weight = 1.; const gchar *ptr; GString *string; cvalue = gda_data_model_get_value_at (cloud->priv->model, cloud->priv->label_column, i, NULL); if (!cvalue) { TO_IMPLEMENT; continue; } if (!g_value_get_string (cvalue)) continue; /* convert spaces to non breaking spaces (0xC2 0xA0 as UTF8) */ string = g_string_new (""); for (ptr = g_value_get_string (cvalue); *ptr; ptr++) { if (*ptr == ' ') { g_string_append_c (string, 0xC2); g_string_append_c (string, 0xA0); } else g_string_append_c (string, *ptr); } if ((cloud->priv->weight_column >= 0) || cloud->priv->weight_func) { if (cloud->priv->weight_func) { weight = cloud->priv->weight_func (cloud->priv->model, i, cloud->priv->weight_func_data); weight = cloud->priv->min_scale + wrange * (weight - min_weight); } else { cvalue = gda_data_model_get_value_at (cloud->priv->model, cloud->priv->weight_column, i, NULL); if (cvalue) { weight = g_ascii_strtod (gda_value_stringify (cvalue), NULL); weight = cloud->priv->min_scale + wrange * (weight - min_weight); } } } GtkTextTag *tag; tag = gtk_text_buffer_create_tag (cloud->priv->tbuffer, NULL, "foreground", "#6161F2", "scale", weight, NULL); g_object_set_data ((GObject*) tag, "row", GINT_TO_POINTER (i) + 1); gtk_text_buffer_insert_with_tags (cloud->priv->tbuffer, &start, string->str, -1, tag, NULL); g_string_free (string, TRUE); gtk_text_buffer_insert (cloud->priv->tbuffer, &start, " ", -1); } }
/** * gda_data_model_array_copy_model_ext: * @src: a #GdaDataModel to copy data from * @ncols: size of @cols * @cols: (array length=ncols): array of @src's columns to copy into the new array, not %NULL * @error: a place to store errors, or %NULL * * Like gda_data_model_array_copy_model(), makes a copy of @src, but copies only some * columns. * * Returns: (transfer full) (allow-none): a new data model, or %NULL if an error occurred * * Since: 5.2.0 */ GdaDataModelArray * gda_data_model_array_copy_model_ext (GdaDataModel *src, gint ncols, gint *cols, GError **error) { GdaDataModel *model; gint nbfields, i; g_return_val_if_fail (GDA_IS_DATA_MODEL (src), NULL); g_return_val_if_fail (cols, NULL); g_return_val_if_fail (ncols > 0, NULL); /* check columns' validity */ nbfields = gda_data_model_get_n_columns (src); for (i = 0; i < ncols; i++) { if ((cols[i] < 0) || (cols[i] >= nbfields)) { g_set_error (error, GDA_DATA_MODEL_ERROR, GDA_DATA_MODEL_COLUMN_OUT_OF_RANGE_ERROR, _("Column %d out of range (0-%d)"), cols[i], nbfields - 1); return NULL; } } /* initialize new model */ model = gda_data_model_array_new (ncols); if (g_object_get_data (G_OBJECT (src), "name")) g_object_set_data_full (G_OBJECT (model), "name", g_strdup (g_object_get_data (G_OBJECT (src), "name")), g_free); if (g_object_get_data (G_OBJECT (src), "descr")) g_object_set_data_full (G_OBJECT (model), "descr", g_strdup (g_object_get_data (G_OBJECT (src), "descr")), g_free); /* map new columns */ GHashTable *hash; hash = g_hash_table_new_full (g_int_hash, g_int_equal, g_free, NULL); for (i = 0; i < ncols; i++) { gint *ptr; ptr = g_new (gint, 1); *ptr = i; g_hash_table_insert (hash, ptr, GINT_TO_POINTER (cols[i])); GdaColumn *copycol, *srccol; gchar *colid; srccol = gda_data_model_describe_column (src, cols[i]); copycol = gda_data_model_describe_column (model, i); g_object_get (G_OBJECT (srccol), "id", &colid, NULL); g_object_set (G_OBJECT (copycol), "id", colid, NULL); g_free (colid); gda_column_set_description (copycol, gda_column_get_description (srccol)); gda_column_set_name (copycol, gda_column_get_name (srccol)); gda_column_set_dbms_type (copycol, gda_column_get_dbms_type (srccol)); gda_column_set_g_type (copycol, gda_column_get_g_type (srccol)); gda_column_set_position (copycol, gda_column_get_position (srccol)); gda_column_set_allow_null (copycol, gda_column_get_allow_null (srccol)); } if (! gda_data_model_import_from_model (model, src, FALSE, hash, error)) { g_hash_table_destroy (hash); g_object_unref (model); model = NULL; } /*else gda_data_model_dump (model, stdout);*/ g_hash_table_destroy (hash); return (GdaDataModelArray*) model; }