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path: root/widgets/table/e-table-specification.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * E-table-specification.c: Implements a savable description of the inital 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-specification.h"

#define PARENT_TYPE (gtk_object_get_type())

static GtkObjectClass *etsp_parent_class;

static void
etsp_destroy (GtkObject *object)
{
    ETableSpecification *etsp = E_TABLE_SPECIFICATION (object);
    int i;

    if (etsp->columns) {
        for (i = 0; etsp->columns[i]; i++) {
            gtk_object_unref (GTK_OBJECT (etsp->columns[i]));
        }
        g_free(etsp->columns);
    }

    if (etsp->state)
        gtk_object_unref(GTK_OBJECT(etsp->state));
    g_free(etsp->click_to_add_message_);

    etsp->columns               = NULL;
    etsp->state                 = NULL;
    etsp->click_to_add_message_ = NULL;

    GTK_OBJECT_CLASS (etsp_parent_class)->destroy (object);
}

static void
etsp_class_init (GtkObjectClass *klass)
{
    etsp_parent_class = gtk_type_class (PARENT_TYPE);
    
    klass->destroy = etsp_destroy;
}

static void
etsp_init (ETableSpecification *etsp)
{
    etsp->columns               = NULL;
    etsp->state                 = NULL;

    etsp->no_headers            = FALSE;
    etsp->click_to_add          = FALSE;
    etsp->draw_grid             = FALSE;
    etsp->cursor_mode           = E_TABLE_CURSOR_SIMPLE;

    etsp->click_to_add_message_ = NULL;
}

E_MAKE_TYPE(e_table_specification, "ETableSpecification", ETableSpecification, etsp_class_init, etsp_init, PARENT_TYPE);

ETableSpecification *
e_table_specification_new (void)
{
    ETableSpecification *etsp = gtk_type_new (E_TABLE_SPECIFICATION_TYPE);

    return (ETableSpecification *) etsp;
}

gboolean
e_table_specification_load_from_file    (ETableSpecification *specification,
                     const char          *filename)
{
    xmlDoc *doc;
    doc = xmlParseFile (filename);
    if (doc) {
        xmlNode *node = xmlDocGetRootElement(doc);
        e_table_specification_load_from_node(specification, node);
        xmlFreeDoc(doc);
        return TRUE;
    }
    return FALSE;
}

void 
e_table_specification_load_from_string  (ETableSpecification *specification,
                     const char          *xml)
{
    xmlDoc *doc;
    doc = xmlParseMemory ((char *) xml, strlen(xml));
    if (doc) {
        xmlNode *node = xmlDocGetRootElement(doc);
        e_table_specification_load_from_node(specification, node);
        xmlFreeDoc(doc);
    }
}

void
e_table_specification_load_from_node    (ETableSpecification *specification,
                     const xmlNode       *node)
{
    char *temp;
    xmlNode *children;
    GList *list = NULL, *list2;
    int i;

    specification->no_headers = e_xml_get_bool_prop_by_name(node, "no-headers");
    specification->click_to_add = e_xml_get_bool_prop_by_name(node, "click-to-add");
    specification->draw_grid = e_xml_get_bool_prop_by_name(node, "draw-grid");

    specification->cursor_mode = E_TABLE_CURSOR_SIMPLE;
    temp = e_xml_get_string_prop_by_name(node, "cursor-mode");
    if (temp && !strcasecmp(temp, "line")) {
        specification->cursor_mode = E_TABLE_CURSOR_LINE;
    }
    g_free(temp);

    g_free(specification->click_to_add_message_);

    specification->click_to_add_message_ = e_xml_get_translated_string_prop_by_name(node, "_click-to-add-message");

    if (specification->state)
        gtk_object_unref(GTK_OBJECT(specification->state));
    specification->state = NULL;
    if (specification->columns) {
        for (i = 0; specification->columns[i]; i++) {
            gtk_object_unref(GTK_OBJECT(specification->columns[i]));
        }
        g_free(specification->columns);
    }
    specification->columns = NULL;

    for (children = node->xmlChildrenNode; children; children = children->next) {
        if (!strcmp(children->name, "ETableColumn")) {
            ETableColumnSpecification *col_spec = e_table_column_specification_new();

            e_table_column_specification_load_from_node(col_spec, children);
            list = g_list_append(list, col_spec);
        } else if (specification->state == NULL && !strcmp(children->name, "ETableState")) {
            specification->state = e_table_state_new();
            e_table_state_load_from_node(specification->state, children);
        }
    }

    specification->columns = g_new(ETableColumnSpecification *, g_list_length(list) + 1);
    for (list2 = list, i = 0; list2; list2 = g_list_next(list2), i++) {
        specification->columns[i] = list2->data;
    }
    specification->columns[i] = NULL;
    g_list_free(list);
}

#if 0
void
e_table_specification_save_to_file      (ETableSpecification *specification,
                     const char          *filename)
{
    xmlDoc *doc;
    doc = xmlNewDoc(NULL);
    xmlDocSetRootElement(doc, e_table_specification_save_to_node(specification, doc));
    xmlSaveFile(filename, doc);
}

char *
e_table_specification_save_to_string    (ETableSpecification *specification)
{
    char *ret_val;
    xmlChar *string;
    int length;
    xmlDoc *doc;

    doc = xmlNewDoc(NULL);
    xmlDocSetRootElement(doc, e_table_specification_save_to_node(specification, doc));
    xmlDocDumpMemory(doc, &string, &length);

    ret_val = g_strdup(string);
    xmlFree(string);
    return ret_val;
}

xmlNode *
e_table_specification_save_to_node      (ETableSpecification *specification,
                     xmlDoc              *doc)
{
    return NULL;
}
#endif