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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * E-table-extras.c: Pair of hash table sort of thingies.
 *
 * Author:
 *   Chris Lahey <clahey@ximian.com>
 *
 * (C) 2000 Ximian, Inc.
 */
#include <config.h>
#include <stdlib.h>
#include <gtk/gtksignal.h>
#include "gal/util/e-util.h"
#include "gal/e-table/e-cell-text.h"
#include "gal/e-table/e-cell-checkbox.h"
#include "gal/e-table/e-cell-tree.h"
#include "e-table-extras.h"

#define PARENT_TYPE (gtk_object_get_type())

static GtkObjectClass *ete_parent_class;

static void
cell_hash_free(gchar    *key,
           ECell    *cell,
           gpointer user_data)
{
    g_free(key);
    if (cell)
        gtk_object_unref( GTK_OBJECT (cell));
}

static void
pixbuf_hash_free(gchar  *key,
         GdkPixbuf *pixbuf,
         gpointer   user_data)
{
    g_free(key);
    if (pixbuf)
        gdk_pixbuf_unref(pixbuf);
}

static void
ete_destroy (GtkObject *object)
{
    ETableExtras *ete = E_TABLE_EXTRAS (object);

    g_hash_table_foreach (ete->cells, (GHFunc) cell_hash_free, NULL);
    g_hash_table_foreach (ete->compares, (GHFunc) g_free, NULL);
    g_hash_table_foreach (ete->pixbufs, (GHFunc) pixbuf_hash_free, NULL);

    g_hash_table_destroy (ete->cells);
    g_hash_table_destroy (ete->compares);
    g_hash_table_destroy (ete->pixbufs);

    ete->cells = NULL;
    ete->compares = NULL;
    ete->pixbufs = NULL;

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

static void
ete_class_init (GtkObjectClass *klass)
{
    ete_parent_class = gtk_type_class (PARENT_TYPE);
    
    klass->destroy = ete_destroy;
}

static void
ete_init (ETableExtras *extras)
{
    extras->cells = g_hash_table_new(g_str_hash, g_str_equal);
    extras->compares = g_hash_table_new(g_str_hash, g_str_equal);
    extras->pixbufs = g_hash_table_new(g_str_hash, g_str_equal);

    e_table_extras_add_compare(extras, "string", g_str_compare);
    e_table_extras_add_compare(extras, "integer", g_int_compare);

    e_table_extras_add_cell(extras, "checkbox", e_cell_checkbox_new());
    e_table_extras_add_cell(extras, "string", e_cell_text_new (NULL, GTK_JUSTIFY_LEFT));
    e_table_extras_add_cell(extras, "tree-string", e_cell_tree_new (NULL, NULL, TRUE, e_cell_text_new (NULL, GTK_JUSTIFY_LEFT)));
}

E_MAKE_TYPE(e_table_extras, "ETableExtras", ETableExtras, ete_class_init, ete_init, PARENT_TYPE);

ETableExtras *
e_table_extras_new (void)
{
    ETableExtras *ete = gtk_type_new (E_TABLE_EXTRAS_TYPE);

    return (ETableExtras *) ete;
}

void
e_table_extras_add_cell     (ETableExtras *extras,
                 char         *id,
                 ECell        *cell)
{
    gchar *old_key;
    ECell *old_cell;

    if (g_hash_table_lookup_extended (extras->cells, id, (gpointer *)&old_key, (gpointer *)&old_cell)) {
        g_free (old_key);
        if (old_cell)
            gtk_object_unref (GTK_OBJECT(old_cell));
    }

    if (cell) {
        gtk_object_ref (GTK_OBJECT (cell));
        gtk_object_sink (GTK_OBJECT (cell));
    }
    g_hash_table_insert (extras->cells, g_strdup(id), cell);
}

ECell *
e_table_extras_get_cell     (ETableExtras *extras,
                 char         *id)
{
    return g_hash_table_lookup(extras->cells, id);
}

void
e_table_extras_add_compare  (ETableExtras *extras,
                 char         *id,
                 GCompareFunc  compare)
{
    gchar *old_key;
    GCompareFunc old_compare;

    if (g_hash_table_lookup_extended (extras->cells, id, (gpointer *)&old_key, (gpointer *)&old_compare)) {
        g_free (old_key);
    }

    g_hash_table_insert(extras->compares, g_strdup(id), compare);
}

GCompareFunc
e_table_extras_get_compare  (ETableExtras *extras,
                 char         *id)
{
    return g_hash_table_lookup(extras->compares, id);
}

void
e_table_extras_add_pixbuf     (ETableExtras *extras,
                   char         *id,
                   GdkPixbuf    *pixbuf)
{
    gchar *old_key;
    GdkPixbuf *old_pixbuf;

    if (g_hash_table_lookup_extended (extras->pixbufs, id, (gpointer *)&old_key, (gpointer *)&old_pixbuf)) {
        g_free (old_key);
        if (old_pixbuf)
            gdk_pixbuf_unref (old_pixbuf);
    }

    if (pixbuf)
        gdk_pixbuf_ref(pixbuf);
    g_hash_table_insert (extras->pixbufs, g_strdup(id), pixbuf);
}

GdkPixbuf *
e_table_extras_get_pixbuf     (ETableExtras *extras,
                   char         *id)
{
    return g_hash_table_lookup(extras->pixbufs, id);
}