path: root/addressbook/gui/widgets/gal-view-minicard.c

/*
 *
 * gal-view-minicard.c: An Minicard View
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *      Chris Lahey <clahey@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include <config.h>

#include <libxml/parser.h>
#include <e-util/e-xml-utils.h>
#include <libedataserver/e-xml-utils.h>

#include "gal-view-minicard.h"

static gpointer parent_class;

static void
view_minicard_column_width_changed (EAddressbookView *address_view,
                                    gdouble width)
{
    GalView *view;
    GalViewInstance *view_instance;
    GalViewMinicard *view_minicard;
    GtkScrolledWindow *scrolled_window;
    GtkAdjustment *adjustment;
    GtkWidget *widget;
    gdouble value, lower, upper;
    gdouble page_increment, page_size;

    view_instance = e_addressbook_view_get_view_instance (address_view);
    view = gal_view_instance_get_current_view (view_instance);
    view_minicard = GAL_VIEW_MINICARD (view);

    if (view_minicard->column_width != width) {
        view_minicard->column_width = width;
        gal_view_changed (view);
    }

    widget = e_addressbook_view_get_view_widget (address_view);
    scrolled_window = GTK_SCROLLED_WINDOW (widget);
    adjustment = gtk_scrolled_window_get_hadjustment (scrolled_window);

    value = gtk_adjustment_get_value (adjustment);
    lower = gtk_adjustment_get_lower (adjustment);
    upper = gtk_adjustment_get_upper (adjustment);
    page_increment = gtk_adjustment_get_page_increment (adjustment);
    page_size = gtk_adjustment_get_page_size (adjustment);

    adjustment = GTK_ADJUSTMENT (gtk_adjustment_new (
        value, lower, upper, page_size, page_increment, page_size));
    gtk_scrolled_window_set_hadjustment (scrolled_window, adjustment);
}

static void
view_minicard_finalize (GObject *object)
{
    GalViewMinicard *view = GAL_VIEW_MINICARD (object);

    if (view->title != NULL) {
        gal_view_minicard_detach (view);
        g_free (view->title);
        view->title = NULL;
    }

    /* Chain up to parent's finalize() method. */
    G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
view_minicard_load (GalView *view,
                    const gchar *filename)
{
    GalViewMinicard *view_minicard;
    xmlDoc *doc;
    xmlNode *root;

    view_minicard = GAL_VIEW_MINICARD (view);

    doc = e_xml_parse_file (filename);
    g_return_if_fail (doc != NULL);

    root = xmlDocGetRootElement (doc);
    view_minicard->column_width =
        e_xml_get_double_prop_by_name_with_default (
        root, (guchar *) "column_width", 150);
    xmlFreeDoc (doc);
}

static void
view_minicard_save (GalView *view,
                    const gchar *filename)
{
    GalViewMinicard *view_minicard;
    xmlDoc *doc;
    xmlNode *root;

    view_minicard = GAL_VIEW_MINICARD (view);

    doc = xmlNewDoc ((guchar *) "1.0");
    root = xmlNewNode (NULL, (guchar *) "EMinicardViewState");
    e_xml_set_double_prop_by_name (
        root, (guchar *) "column_width",
        view_minicard->column_width);
    xmlDocSetRootElement (doc, root);
    e_xml_save_file (filename, doc);
    xmlFreeDoc (doc);
}

static const gchar *
view_minicard_get_title (GalView *view)
{
    GalViewMinicard *view_minicard;

    view_minicard = GAL_VIEW_MINICARD (view);

    return view_minicard->title;
}

static void
view_minicard_set_title (GalView *view,
                         const char *title)
{
    GalViewMinicard *view_minicard;

    view_minicard = GAL_VIEW_MINICARD (view);

    g_free (view_minicard->title);
    view_minicard->title = g_strdup (title);
}

static const gchar *
view_minicard_get_type_code (GalView *view)
{
    return "minicard";
}

static GalView *
view_minicard_clone (GalView *view)
{
    GalViewMinicard *view_minicard;
    GalViewMinicard *clone;

    view_minicard = GAL_VIEW_MINICARD(view);

    clone = g_object_new (GAL_TYPE_VIEW_MINICARD, NULL);
    clone->column_width = view_minicard->column_width;
    clone->title = g_strdup (view_minicard->title);

    return GAL_VIEW (clone);
}

static void
gal_view_minicard_class_init (GalViewMinicardClass *class)
{
    GObjectClass *object_class;
    GalViewClass *gal_view_class;

    parent_class = g_type_class_peek_parent (class);

    object_class = G_OBJECT_CLASS (class);
    object_class->dispose = view_minicard_finalize;

    gal_view_class = GAL_VIEW_CLASS (class);
    gal_view_class->edit = NULL;
    gal_view_class->load = view_minicard_load;
    gal_view_class->save = view_minicard_save;
    gal_view_class->get_title = view_minicard_get_title;
    gal_view_class->set_title = view_minicard_set_title;
    gal_view_class->get_type_code = view_minicard_get_type_code;
    gal_view_class->clone = view_minicard_clone;

}

static void
gal_view_minicard_init (GalViewMinicard *gvm)
{
    gvm->title = NULL;
    gvm->column_width = 150.0;

    gvm->emvw = NULL;
    gvm->emvw_column_width_changed_id = 0;
}

GType
gal_view_minicard_get_type (void)
{
    static GType type = 0;

    if (G_UNLIKELY (type == 0)) {
        static const GTypeInfo type_info = {
            sizeof (GalViewMinicardClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) gal_view_minicard_class_init,
            (GClassFinalizeFunc) NULL,
            NULL,  /* class_data */
            sizeof (GalViewMinicard),
            0,     /* n_preallocs */
            (GInstanceInitFunc) gal_view_minicard_init,
            NULL   /* value_table */
        };

        type = g_type_register_static (
            GAL_VIEW_TYPE, "GalViewMinicard", &type_info, 0);
    }

    return type;
}

/**
 * gal_view_minicard_new
 * @title: The name of the new view.
 *
 * Returns a new GalViewMinicard.  This is primarily for use by
 * GalViewFactoryMinicard.
 *
 * Returns: The new GalViewMinicard.
 */
GalView *
gal_view_minicard_new (const gchar *title)
{
    return gal_view_minicard_construct (
        g_object_new (GAL_TYPE_VIEW_MINICARD, NULL), title);
}

/**
 * gal_view_minicard_construct
 * @view: The view to construct.
 * @title: The name of the new view.
 *
 * Constructs the GalViewMinicard.  To be used by subclasses and
 * language bindings.
 *
 * Returns: The GalViewMinicard.
 */
GalView *
gal_view_minicard_construct  (GalViewMinicard *view,
                  const gchar *title)
{
    view->title = g_strdup (title);

    return GAL_VIEW (view);
}

void
gal_view_minicard_attach (GalViewMinicard *view,
                          EAddressbookView *address_view)
{
    GObject *object;

    g_return_if_fail (GAL_IS_VIEW_MINICARD (view));
    g_return_if_fail (E_IS_ADDRESSBOOK_VIEW (address_view));

    object = e_addressbook_view_get_view_object (address_view);
    g_return_if_fail (E_IS_MINICARD_VIEW_WIDGET (object));

    gal_view_minicard_detach (view);
    view->emvw = g_object_ref (object);

    g_object_set (view->emvw, "column-width", view->column_width, NULL);

    view->emvw_column_width_changed_id =
        g_signal_connect_swapped (
            view->emvw, "column-width-changed",
            G_CALLBACK (view_minicard_column_width_changed),
            address_view);
}

void
gal_view_minicard_detach (GalViewMinicard *view)
{
    g_return_if_fail (GAL_IS_VIEW_MINICARD (view));

    if (view->emvw == NULL)
        return;

    if (view->emvw_column_width_changed_id > 0) {
        g_signal_handler_disconnect (
            view->emvw, view->emvw_column_width_changed_id);
        view->emvw_column_width_changed_id = 0;
    }

    g_object_unref (view->emvw);
    view->emvw = NULL;
}