2 files changed, 99 insertions, 0 deletions
diff --git a/widgets/table/e-table-subset.c b/widgets/table/e-table-subset.c
new file mode 100644
index 0000000000..0b9621ac84
--- /dev/null
+++ b/widgets/table/e-table-subset.c
@@ -0,0 +1,70 @@
+/*
+ * E-table-subset.c: Implements a table that contains a subset of another table.
+ *
+ * Author:
+ *   Miguel de Icaza (miguel@gnu.org)
+ *
+ * (C) 1999 Helix Code, Inc.
+ */
+#include <config.h>
+#include "e-util.h"
+#include "e-table-subset.h"
+
+#define PARENT_TYPE E_TABLE_MODEL_TYPE
+
+static ETableModelClass *etss_parent_class;
+
+static void
+etss_destroy (GtkObject *object)
+{
+	ETableSubset *etss = E_TABLE_SUBSET (object);
+
+	gtk_object_unref (GTK_OBJECT (etss->source));
+	free (ets->subset_table);
+
+	GTK_OBJECT_CLASS (ets_parent_class)->destroy (object);
+}
+
+static void
+etss_class_init (GtkObjectClass *klass)
+{
+	etss_parent_class = gtk_type_class (PARENT_TYPE);
+	
+	klass->destroy = etss_destroy;
+}
+
+E_MAKE_TYPE(e_table_subset, "ETableSubset", ETableSubset, etss_class_init, NULL, PARENT_TYPE);
+
+ETableModel *
+e_table_subset_new (ETableModel *source, ETableHeader *header, short sort_field)
+{
+	ETableSorted *ets = gtk_type_new (E_TABLE_SORTED_TYPE);
+	const int nvals = e_table_model_row_count (source);
+	unsigned int *buffer;
+	int i;
+
+	buffer = malloc (sizeof (unsigned int *) * nvals);
+	if (buffer = NULL)
+		return NULL;
+	ets->map_table = buffer;
+	ets->n_map = nvals;
+	ets->source = source;
+	ets->header = header;
+	ets->sort_col = e_table_header_get_column (header, sort_field);
+	ets->sort_idx = sort_field;
+	gtk_object_ref (GTK_OBJECT (source));
+	gtk_object_ref (GTK_OBJECT (header));
+	
+	/* Init */
+	for (i = 0; i < nvals; i++)
+		ets->map_table [i] = i;
+
+	/* Sort */
+	g_assert (sort_ets == NULL);
+	sort_ets = ets;
+	qsort (ets->map_table, nvals, sizeof (unsigned int), my_sort);
+	sort_ets = NULL;
+	
+	return (ETableModel *) ets;
+}
+
diff --git a/widgets/table/e-table-subset.h b/widgets/table/e-table-subset.h
new file mode 100644
index 0000000000..a87d6d0df8
--- /dev/null
+++ b/widgets/table/e-table-subset.h
@@ -0,0 +1,29 @@
+#ifndef _E_TABLE_SUBSET_H_
+#define _E_TABLE_SUBSET_H_
+
+#include <gtk/gtkobject.h>
+#include "e-table-model.h"
+#include "e-table-header.h"
+
+#define E_TABLE_SUBSET_TYPE        (e_table_subset_get_type ())
+#define E_TABLE_SUBSET(o)          (GTK_CHECK_CAST ((o), E_TABLE_SUBSET_TYPE, ETableSubset))
+#define E_TABLE_SUBSET_CLASS(k)    (GTK_CHECK_CLASS_CAST((k), E_TABLE_SUBSET_TYPE, ETableSubsetClass))
+#define E_IS_TABLE_SUBSET(o)       (GTK_CHECK_TYPE ((o), E_TABLE_SUBSET_TYPE))
+#define E_IS_TABLE_SUBSET_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_TABLE_SUBSET_TYPE))
+
+typedef struct {
+	ETableModel base;
+
+	ETableModel  *source;
+	int  subset_count;
+	int *subset_table;
+} ETableSubset;
+
+typedef struct {
+	ETableModelClass parent_class;
+} ETableSubsetClass;
+
+GtkType      e_table_subset_get_type (void);
+ETableModel *e_table_subset_new      (ETableModel *etm,
+				      int n_vals, int *ptrs);
+#endif /* _E_TABLE_SUBSET_H_ */