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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-minicard-view.c
* Copyright (C) 2000 Helix Code, Inc.
* Author: Chris Lahey <clahey@helixcode.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <gnome.h>
#include "e-minicard-view.h"
#include "e-minicard.h"
static void e_minicard_view_init (EMinicardView *reflow);
static void e_minicard_view_class_init (EMinicardViewClass *klass);
static void e_minicard_view_set_arg (GtkObject *o, GtkArg *arg, guint arg_id);
static void e_minicard_view_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
static void e_minicard_view_destroy (GtkObject *object);
#define E_MINICARD_VIEW_DIVIDER_WIDTH 2
#define E_MINICARD_VIEW_BORDER_WIDTH 7
#define E_MINICARD_VIEW_FULL_GUTTER (E_MINICARD_VIEW_DIVIDER_WIDTH + E_MINICARD_VIEW_BORDER_WIDTH * 2)
static EReflowSortedClass *parent_class = NULL;
/* The arguments we take */
enum {
ARG_0,
ARG_BOOK
};
GtkType
e_minicard_view_get_type (void)
{
static GtkType reflow_type = 0;
if (!reflow_type)
{
static const GtkTypeInfo reflow_info =
{
"EMinicardView",
sizeof (EMinicardView),
sizeof (EMinicardViewClass),
(GtkClassInitFunc) e_minicard_view_class_init,
(GtkObjectInitFunc) e_minicard_view_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
reflow_type = gtk_type_unique (e_reflow_sorted_get_type (), &reflow_info);
}
return reflow_type;
}
static void
e_minicard_view_class_init (EMinicardViewClass *klass)
{
GtkObjectClass *object_class;
GnomeCanvasItemClass *item_class;
object_class = (GtkObjectClass*) klass;
item_class = (GnomeCanvasItemClass *) klass;
parent_class = gtk_type_class (e_reflow_sorted_get_type ());
gtk_object_add_arg_type ("EMinicardView::book", GTK_TYPE_OBJECT,
GTK_ARG_READWRITE, ARG_BOOK);
object_class->set_arg = e_minicard_view_set_arg;
object_class->get_arg = e_minicard_view_get_arg;
object_class->destroy = e_minicard_view_destroy;
/* GnomeCanvasItem method overrides */
}
static void
e_minicard_view_init (EMinicardView *view)
{
view->book = NULL;
view->book_view = NULL;
view->get_view_idle = 0;
view->create_card_id = 0;
view->remove_card_id = 0;
view->modify_card_id = 0;
E_REFLOW_SORTED(view)->compare_func = (GCompareFunc) e_minicard_compare;
E_REFLOW_SORTED(view)->string_func = (EReflowStringFunc) e_minicard_get_card_id;
}
static void
create_card(EBookView *book_view, const GList *cards, EMinicardView *view)
{
for (; cards; cards = g_list_next(cards)) {
GnomeCanvasItem *item = gnome_canvas_item_new(GNOME_CANVAS_GROUP(view),
e_minicard_get_type(),
"card", cards->data,
NULL);
e_reflow_add_item(E_REFLOW(view), item);
}
}
static void
modify_card(EBookView *book_view, const GList *cards, EMinicardView *view)
{
for (; cards; cards = g_list_next(cards)) {
GnomeCanvasItem *item = gnome_canvas_item_new(GNOME_CANVAS_GROUP(view),
e_minicard_get_type(),
"card", cards->data,
NULL);
e_reflow_sorted_replace_item(E_REFLOW_SORTED(view), item);
}
}
static void
remove_card(EBookView *book_view, const char *id, EMinicardView *view)
{
e_reflow_sorted_remove_item(E_REFLOW_SORTED(view), id);
}
static void
book_view_loaded (EBook *book, EBookStatus status, EBookView *book_view, gpointer closure)
{
EMinicardView *view = closure;
if (view->book_view && view->create_card_id)
gtk_signal_disconnect(GTK_OBJECT (view->book_view),
view->create_card_id);
if (view->book_view && view->remove_card_id)
gtk_signal_disconnect(GTK_OBJECT (view->book_view),
view->remove_card_id);
if (view->book_view && view->modify_card_id)
gtk_signal_disconnect(GTK_OBJECT (view->book_view),
view->modify_card_id);
if (view->book_view)
gtk_object_unref(GTK_OBJECT(view->book_view));
view->book_view = book_view;
if (view->book_view)
gtk_object_ref(GTK_OBJECT(view->book_view));
view->create_card_id = gtk_signal_connect(GTK_OBJECT(view->book_view),
"card_added",
GTK_SIGNAL_FUNC(create_card),
view);
view->remove_card_id = gtk_signal_connect(GTK_OBJECT(view->book_view),
"card_removed",
GTK_SIGNAL_FUNC(remove_card),
view);
view->modify_card_id = gtk_signal_connect(GTK_OBJECT(view->book_view),
"card_changed",
GTK_SIGNAL_FUNC(modify_card),
view);
g_list_foreach(E_REFLOW(view)->items, (GFunc) gtk_object_destroy, NULL);
g_list_free(E_REFLOW(view)->items);
}
static gboolean
get_view(EMinicardView *view)
{
E_REFLOW(view)->items = NULL;
e_book_get_book_view(view->book, "", book_view_loaded, view);
view->get_view_idle = 0;
return FALSE;
}
static void
e_minicard_view_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
GnomeCanvasItem *item;
EMinicardView *view;
item = GNOME_CANVAS_ITEM (o);
view = E_MINICARD_VIEW (o);
switch (arg_id){
case ARG_BOOK:
if (view->book)
gtk_object_unref(GTK_OBJECT(view->book));
view->book = E_BOOK(GTK_VALUE_OBJECT (*arg));
if (view->book) {
gtk_object_ref(GTK_OBJECT(view->book));
if (view->get_view_idle == 0)
g_idle_add((GSourceFunc)get_view, view);
}
break;
}
}
static void
e_minicard_view_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
{
EMinicardView *e_minicard_view;
e_minicard_view = E_MINICARD_VIEW (object);
switch (arg_id) {
case ARG_BOOK:
GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(e_minicard_view->book);
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static void
e_minicard_view_destroy (GtkObject *object)
{
EMinicardView *view = E_MINICARD_VIEW(object);
if (view->get_view_idle)
g_source_remove(view->get_view_idle);
if (view->book)
gtk_object_unref(GTK_OBJECT(view->book));
if (view->book_view && view->create_card_id)
gtk_signal_disconnect(GTK_OBJECT (view->book_view),
view->create_card_id);
if (view->book_view && view->remove_card_id)
gtk_signal_disconnect(GTK_OBJECT (view->book_view),
view->remove_card_id);
if (view->book_view && view->modify_card_id)
gtk_signal_disconnect(GTK_OBJECT (view->book_view),
view->modify_card_id);
if (view->book_view)
gtk_object_unref(GTK_OBJECT(view->book_view));
}
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