1 files changed, 161 insertions, 0 deletions
diff --git a/widgets/table/e-table-state.c b/widgets/table/e-table-state.c
new file mode 100644
index 0000000000..1912dd1ce8
--- /dev/null
+++ b/widgets/table/e-table-state.c
@@ -0,0 +1,161 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * E-table-state.c: Savable state of a table.
+ *
+ * Author:
+ *   Chris Lahey <clahey@helixcode.com>
+ *
+ * (C) 2000 Helix Code, Inc.
+ */
+#include <config.h>
+#include <stdlib.h>
+#include <gtk/gtksignal.h>
+#include <gnome-xml/parser.h>
+#include <gnome-xml/xmlmemory.h>
+#include "gal/util/e-util.h"
+#include "gal/util/e-xml-utils.h"
+#include "e-table-state.h"
+
+#define PARENT_TYPE (gtk_object_get_type())
+
+static GtkObjectClass *etst_parent_class;
+
+static void
+etst_destroy (GtkObject *object)
+{
+#if 0
+	ETableState *etst = E_TABLE_STATE (object);
+#endif
+
+	GTK_OBJECT_CLASS (etst_parent_class)->destroy (object);
+}
+
+static void
+etst_class_init (GtkObjectClass *klass)
+{
+	etst_parent_class = gtk_type_class (PARENT_TYPE);
+	
+	klass->destroy = etst_destroy;
+}
+
+E_MAKE_TYPE(e_table_state, "ETableState", ETableState, etst_class_init, NULL, PARENT_TYPE);
+
+ETableState *
+e_table_state_new (void)
+{
+	ETableState *etst = gtk_type_new (E_TABLE_STATE_TYPE);
+
+	return (ETableState *) etst;
+}
+
+gboolean
+e_table_state_load_from_file    (ETableState *state,
+				 const char          *filename)
+{
+	xmlDoc *doc;
+	doc = xmlParseFile (filename);
+	if (doc) {
+		xmlNode *node = xmlDocGetRootElement(doc);
+		e_table_state_load_from_node(state, node);
+		xmlFreeDoc(doc);
+		return TRUE;
+	}
+	return FALSE;
+}
+
+void 
+e_table_state_load_from_string  (ETableState *state,
+				 const char          *xml)
+{
+	xmlDoc *doc;
+	doc = xmlParseMemory ((char *) xml, strlen(xml));
+	if (doc) {
+		xmlNode *node = xmlDocGetRootElement(doc);
+		e_table_state_load_from_node(state, node);
+		xmlFreeDoc(doc);
+	}
+}
+
+void
+e_table_state_load_from_node    (ETableState *state,
+				 const xmlNode       *node)
+{
+	xmlNode *children;
+	GList *list = NULL, *iterator;
+	int i;
+
+	if (state->sort_info)
+		gtk_object_unref(GTK_OBJECT(state->sort_info));
+	state->sort_info = NULL;
+	for (children = node->xmlChildrenNode; children; children = children->next) {
+		if (!strcmp(children->name, "column")) {
+			int *column = g_new(int, 1);
+
+			*column = e_xml_get_integer_prop_by_name(children, "source");
+
+			list = g_list_append(list, column);
+		} else if (state->sort_info == NULL && !strcmp(children->name, "grouping")) {
+			state->sort_info = e_table_sort_info_new();
+			e_table_sort_info_load_from_node(state->sort_info, children);
+		}
+	}
+	g_free(state->columns);
+	state->col_count = g_list_length(list);
+	state->columns = g_new(int, state->col_count);
+	for (iterator = list, i = 0; iterator; iterator = g_list_next(iterator), i++) {
+		state->columns[i] = *(int *)iterator->data;
+		g_free(iterator->data);
+	}
+	g_list_free(list);
+}
+
+void
+e_table_state_save_to_file      (ETableState *state,
+				 const char          *filename)
+{
+	xmlDoc *doc;
+	doc = xmlNewDoc(NULL);
+	xmlDocSetRootElement(doc, e_table_state_save_to_node(state, NULL));
+	xmlSaveFile(filename, doc);
+}
+
+char *
+e_table_state_save_to_string    (ETableState *state)
+{
+	char *ret_val;
+	xmlChar *string;
+	int length;
+	xmlDoc *doc;
+
+	doc = xmlNewDoc(NULL);
+	xmlDocSetRootElement(doc, e_table_state_save_to_node(state, NULL));
+	xmlDocDumpMemory(doc, &string, &length);
+
+	ret_val = g_strdup(string);
+	xmlFree(string);
+	return ret_val;
+}
+
+xmlNode *
+e_table_state_save_to_node      (ETableState *state,
+				 xmlNode     *parent)
+{
+	int i;
+	xmlNode *node;
+	if (parent)
+		node = xmlNewChild (parent, NULL, "ETableState", NULL);
+	else
+		node = xmlNewNode (NULL, "ETableState");
+
+	for (i = 0; i < state->col_count; i++) {
+		int column = state->columns[i];
+		xmlNode *new_node;
+
+		new_node = xmlNewChild(node, NULL, "column", NULL);
+		e_xml_set_integer_prop_by_name (new_node, "source", column);
+	}
+
+	e_table_sort_info_save_to_node(state->sort_info, node);
+
+	return node;
+}