--- /dev/null
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2013 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
+ 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,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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, see <http://www.gnu.org/licenses/>. */
+
+/* This file implements a GtkTreeModel. It allows GtkComboBox and
+ GtkTreeView to display the names and non-empty cell ranges of the
+ sheets aka "Tables" of spreadsheet files.
+ It doesn't take any notice of the spreadsheet data itself.
+*/
+
+#include <config.h>
+#include <glib.h>
+
+#include <gettext.h>
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+
+#include "psppire-spreadsheet-model.h"
+#include "data/spreadsheet-reader.h"
+
+
+static void psppire_spreadsheet_model_init (PsppireSpreadsheetModel *
+ spreadsheetModel);
+static void psppire_spreadsheet_model_class_init (PsppireSpreadsheetModelClass
+ * class);
+
+static void psppire_spreadsheet_model_finalize (GObject * object);
+static void psppire_spreadsheet_model_dispose (GObject * object);
+
+static GObjectClass *parent_class = NULL;
+
+
+static void spreadsheet_tree_model_init (GtkTreeModelIface * iface);
+
+
+GType
+psppire_spreadsheet_model_get_type (void)
+{
+ static GType object_type = 0;
+
+ if (!object_type)
+ {
+ static const GTypeInfo spreadsheet_model_info = {
+ sizeof (PsppireSpreadsheetModelClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) psppire_spreadsheet_model_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (PsppireSpreadsheetModel),
+ 0,
+ (GInstanceInitFunc) psppire_spreadsheet_model_init,
+ };
+
+ static const GInterfaceInfo tree_model_info = {
+ (GInterfaceInitFunc) spreadsheet_tree_model_init,
+ NULL,
+ NULL
+ };
+
+ object_type = g_type_register_static (G_TYPE_OBJECT,
+ "PsppireSpreadsheetModel",
+ &spreadsheet_model_info, 0);
+
+ g_type_add_interface_static (object_type, GTK_TYPE_TREE_MODEL,
+ &tree_model_info);
+ }
+
+ return object_type;
+}
+
+
+/* Properties */
+enum
+{
+ PROP_0,
+ PROP_SPREADSHEET
+};
+
+
+static void
+psppire_spreadsheet_model_set_property (GObject * object,
+ guint prop_id,
+ const GValue * value,
+ GParamSpec * pspec)
+{
+ PsppireSpreadsheetModel *spreadsheetModel =
+ PSPPIRE_SPREADSHEET_MODEL (object);
+
+ switch (prop_id)
+ {
+ case PROP_SPREADSHEET:
+ spreadsheetModel->spreadsheet = g_value_get_pointer (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ };
+}
+
+
+static void
+psppire_spreadsheet_model_dispose (GObject * object)
+{
+}
+
+static void
+psppire_spreadsheet_model_finalize (GObject * object)
+{
+ // PsppireSpreadsheetModel *spreadsheetModel = PSPPIRE_SPREADSHEET_MODEL (object);
+}
+
+static void
+psppire_spreadsheet_model_class_init (PsppireSpreadsheetModelClass * class)
+{
+ GObjectClass *object_class;
+
+ GParamSpec *spreadsheet_spec = g_param_spec_pointer ("spreadsheet",
+ "Spreadsheet",
+ "The spreadsheet that this model represents",
+ G_PARAM_CONSTRUCT_ONLY
+ | G_PARAM_WRITABLE);
+
+ parent_class = g_type_class_peek_parent (class);
+ object_class = (GObjectClass *) class;
+
+ object_class->set_property = psppire_spreadsheet_model_set_property;
+
+ g_object_class_install_property (object_class,
+ PROP_SPREADSHEET, spreadsheet_spec);
+
+ object_class->finalize = psppire_spreadsheet_model_finalize;
+ object_class->dispose = psppire_spreadsheet_model_dispose;
+}
+
+
+static void
+psppire_spreadsheet_model_init (PsppireSpreadsheetModel * spreadsheetModel)
+{
+ spreadsheetModel->dispose_has_run = FALSE;
+ spreadsheetModel->stamp = g_random_int ();
+}
+
+
+GtkTreeModel *
+psppire_spreadsheet_model_new (struct spreadsheet *sp)
+{
+ return g_object_new (psppire_spreadsheet_model_get_type (),
+ "spreadsheet", sp, NULL);
+}
+
+
+\f
+
+static gint
+tree_model_n_columns (GtkTreeModel * model)
+{
+ return PSPPIRE_SPREADSHEET_MODEL_N_COLS;
+}
+
+static GtkTreeModelFlags
+tree_model_get_flags (GtkTreeModel * model)
+{
+ g_return_val_if_fail (PSPPIRE_IS_SPREADSHEET_MODEL (model),
+ (GtkTreeModelFlags) 0);
+
+ return GTK_TREE_MODEL_LIST_ONLY;
+}
+
+static GType
+tree_model_column_type (GtkTreeModel * model, gint index)
+{
+ g_return_val_if_fail (PSPPIRE_IS_SPREADSHEET_MODEL (model), (GType) 0);
+ g_return_val_if_fail (index < PSPPIRE_SPREADSHEET_MODEL_N_COLS, (GType) 0);
+
+ return G_TYPE_STRING;
+}
+
+
+static gboolean
+tree_model_get_iter (GtkTreeModel * model, GtkTreeIter * iter,
+ GtkTreePath * path)
+{
+ PsppireSpreadsheetModel *spreadsheetModel =
+ PSPPIRE_SPREADSHEET_MODEL (model);
+ gint *indices, depth;
+ gint n;
+
+ g_return_val_if_fail (path, FALSE);
+
+ depth = gtk_tree_path_get_depth (path);
+
+ g_return_val_if_fail (depth == 1, FALSE);
+
+ indices = gtk_tree_path_get_indices (path);
+
+ n = indices[0];
+
+ iter->stamp = spreadsheetModel->stamp;
+ iter->user_data = (gpointer) n;
+
+ return TRUE;
+}
+
+static gboolean
+tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
+{
+ PsppireSpreadsheetModel *spreadsheetModel =
+ PSPPIRE_SPREADSHEET_MODEL (model);
+ g_return_val_if_fail (iter->stamp == spreadsheetModel->stamp, FALSE);
+
+ if (iter == NULL)
+ return FALSE;
+
+ if ((gint) iter->user_data >= spreadsheetModel->spreadsheet->n_sheets - 1)
+ {
+ iter->user_data = NULL;
+ iter->stamp = 0;
+ return FALSE;
+ }
+
+ iter->user_data++;
+
+ return TRUE;
+}
+
+
+static void
+tree_model_get_value (GtkTreeModel * model, GtkTreeIter * iter,
+ gint column, GValue * value)
+{
+ PsppireSpreadsheetModel *spreadsheetModel =
+ PSPPIRE_SPREADSHEET_MODEL (model);
+ g_return_if_fail (column < PSPPIRE_SPREADSHEET_MODEL_N_COLS);
+ g_return_if_fail (iter->stamp == spreadsheetModel->stamp);
+
+ g_value_init (value, G_TYPE_STRING);
+ switch (column)
+ {
+ case PSPPIRE_SPREADSHEET_MODEL_COL_NAME:
+ {
+ const char *x =
+ spreadsheet_get_sheet_name (spreadsheetModel->spreadsheet,
+ (gint) iter->user_data);
+
+ g_value_set_string (value, x);
+ }
+ break;
+ case PSPPIRE_SPREADSHEET_MODEL_COL_RANGE:
+ {
+ char *x =
+ spreadsheet_get_sheet_range (spreadsheetModel->spreadsheet,
+ (gint) iter->user_data);
+
+ g_value_set_string (value, x ? x : _("(empty)"));
+ g_free (x);
+ }
+ break;
+ default:
+ g_error ("%s:%d Invalid column in spreadsheet model",
+ __FILE__, __LINE__);
+ break;
+ }
+}
+
+static gboolean
+tree_model_nth_child (GtkTreeModel * model, GtkTreeIter * iter,
+ GtkTreeIter * parent, gint n)
+{
+ PsppireSpreadsheetModel *spreadsheetModel =
+ PSPPIRE_SPREADSHEET_MODEL (model);
+
+ if (parent)
+ return FALSE;
+
+ if (n >= spreadsheetModel->spreadsheet->n_sheets)
+ return FALSE;
+
+ iter->stamp = spreadsheetModel->stamp;
+ iter->user_data = (gpointer) n;
+
+ return TRUE;
+}
+
+static gint
+tree_model_n_children (GtkTreeModel * model, GtkTreeIter * iter)
+{
+ PsppireSpreadsheetModel *spreadsheetModel =
+ PSPPIRE_SPREADSHEET_MODEL (model);
+
+ if (iter == NULL)
+ return spreadsheetModel->spreadsheet->n_sheets;
+
+ return 0;
+}
+
+static gboolean
+tree_model_iter_has_child (GtkTreeModel *tree_model, GtkTreeIter *iter)
+{
+ return FALSE;
+}
+
+static GtkTreePath *
+tree_model_get_path (GtkTreeModel * model, GtkTreeIter * iter)
+{
+ PsppireSpreadsheetModel *spreadsheetModel =
+ PSPPIRE_SPREADSHEET_MODEL (model);
+ GtkTreePath *path;
+ gint index = (gint) iter->user_data;
+
+ g_return_val_if_fail (iter->stamp == spreadsheetModel->stamp, NULL);
+
+ path = gtk_tree_path_new ();
+
+ gtk_tree_path_append_index (path, index);
+
+ return path;
+}
+
+
+static gboolean
+tree_model_children (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent)
+{
+ PsppireSpreadsheetModel *spreadsheetModel = PSPPIRE_SPREADSHEET_MODEL (model);
+
+ if (parent != NULL)
+ return FALSE;
+
+ iter->stamp = spreadsheetModel->stamp;
+ iter->user_data = 0;
+
+ return TRUE;
+}
+
+
+
+static void
+spreadsheet_tree_model_init (GtkTreeModelIface * iface)
+{
+ iface->get_flags = tree_model_get_flags;
+ iface->get_n_columns = tree_model_n_columns;
+ iface->get_column_type = tree_model_column_type;
+ iface->get_iter = tree_model_get_iter;
+ iface->iter_next = tree_model_iter_next;
+ iface->get_value = tree_model_get_value;
+
+ iface->iter_children = tree_model_children;
+ iface->iter_parent = NULL;
+
+ iface->get_path = tree_model_get_path;
+ iface->iter_has_child = tree_model_iter_has_child;
+ iface->iter_n_children = tree_model_n_children;
+ iface->iter_nth_child = tree_model_nth_child;
+}
--- /dev/null
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2013 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
+ 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,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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, see <http://www.gnu.org/licenses/>. */
+
+
+#include <glib-object.h>
+#include <glib.h>
+
+#include <gtk/gtk.h>
+
+#ifndef __PSPPIRE_SPREADSHEET_MODEL_H__
+#define __PSPPIRE_SPREADSHEET_MODEL_H__
+
+G_BEGIN_DECLS
+
+
+#define PSPPIRE_TYPE_SPREADSHEET_MODEL (psppire_spreadsheet_model_get_type ())
+
+#define PSPPIRE_SPREADSHEET_MODEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+ PSPPIRE_TYPE_SPREADSHEET_MODEL, PsppireSpreadsheetModel))
+
+#define PSPPIRE_SPREADSHEET_MODEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), \
+ PSPPIRE_TYPE_SPREADSHEET_MODEL, \
+ PsppireSpreadsheetModelClass))
+
+
+#define PSPPIRE_IS_SPREADSHEET_MODEL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PSPPIRE_TYPE_SPREADSHEET_MODEL))
+
+#define PSPPIRE_IS_SPREADSHEET_MODEL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), PSPPIRE_TYPE_SPREADSHEET_MODEL))
+
+
+#define PSPPIRE_SPREADSHEET_MODEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+ PSPPIRE_TYPE_SPREADSHEET_MODEL, \
+ PsppireSpreadsheetModelClass))
+
+typedef struct _PsppireSpreadsheetModel PsppireSpreadsheetModel;
+typedef struct _PsppireSpreadsheetModelClass PsppireSpreadsheetModelClass;
+
+
+struct spreadsheet;
+
+struct _PsppireSpreadsheetModel
+{
+ GObject parent;
+
+
+ /*< private >*/
+ gint stamp;
+ struct spreadsheet *spreadsheet;
+
+ gboolean dispose_has_run ;
+};
+
+
+struct _PsppireSpreadsheetModelClass
+{
+ GObjectClass parent_class;
+};
+
+
+GType psppire_spreadsheet_model_get_type (void) G_GNUC_CONST;
+
+
+GtkTreeModel * psppire_spreadsheet_model_new (struct spreadsheet *sp);
+
+
+G_END_DECLS
+
+
+enum
+{
+ PSPPIRE_SPREADSHEET_MODEL_COL_NAME,
+ PSPPIRE_SPREADSHEET_MODEL_COL_RANGE,
+ PSPPIRE_SPREADSHEET_MODEL_N_COLS
+};
+
+#endif /* __PSPPIRE_SPREADSHEET_MODEL_H__ */
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