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/* -*- 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())
#define STATE_VERSION 0.1
static GtkObjectClass *etst_parent_class;
static void
etst_destroy (GtkObject *object)
{
ETableState *etst = E_TABLE_STATE (object);
if (etst->columns)
g_free (etst->columns);
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;
gdouble state_version;
int i;
state_version = e_xml_get_double_prop_by_name_with_default(node, "state-version", STATE_VERSION);
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, state_version);
}
}
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("1.0");
xmlDocSetRootElement(doc, e_table_state_save_to_node(state, NULL));
xmlSaveFile(filename, doc);
xmlFreeDoc(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);
xmlFreeDoc(doc);
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");
e_xml_set_double_prop_by_name(node, "state-version", STATE_VERSION);
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;
}
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