path: root/calendar/gui/dialogs/e-delegate-dialog.c

/*
 * Evolution calendar - Delegate selector dialog
 *
 * 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:
 *      Damon Chaplin <damon@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gtk/gtk.h>
#include <libical/ical.h>
#include <libebook/e-destination.h>
#include <libedataserverui/e-name-selector.h>
#include "e-util/e-util.h"
#include "e-util/e-util-private.h"
#include "e-delegate-dialog.h"

struct _EDelegateDialogPrivate {
    gchar *name;
    gchar *address;

    GtkBuilder *builder;

    /* Widgets from the UI file */
    GtkWidget *app;
    GtkWidget *hbox;
    GtkWidget *addressbook;

    ENameSelector *name_selector;
    GtkWidget *entry;
};

static const gchar *section_name = "Delegate To";

static void e_delegate_dialog_finalize      (GObject    *object);

static gboolean get_widgets         (EDelegateDialog *edd);
static void addressbook_clicked_cb              (GtkWidget *widget, gpointer data);
static void addressbook_response_cb             (GtkWidget *widget, gint response, gpointer data);

G_DEFINE_TYPE (EDelegateDialog, e_delegate_dialog, G_TYPE_OBJECT)

/* Class initialization function for the event editor */
static void
e_delegate_dialog_class_init (EDelegateDialogClass *class)
{
    GObjectClass *gobject_class;

    gobject_class = (GObjectClass *) class;

    gobject_class->finalize = e_delegate_dialog_finalize;
}

/* Object initialization function for the event editor */
static void
e_delegate_dialog_init (EDelegateDialog *edd)
{
    EDelegateDialogPrivate *priv;

    priv = g_new0 (EDelegateDialogPrivate, 1);
    edd->priv = priv;

    priv->address = NULL;
}

/* Destroy handler for the event editor */
static void
e_delegate_dialog_finalize (GObject *object)
{
    EDelegateDialog *edd;
    EDelegateDialogPrivate *priv;
    GtkWidget *dialog;

    g_return_if_fail (object != NULL);
    g_return_if_fail (E_IS_DELEGATE_DIALOG (object));

    edd = E_DELEGATE_DIALOG (object);
    priv = edd->priv;

    e_name_selector_cancel_loading (priv->name_selector);
    g_object_unref (priv->name_selector);

    /* Destroy the actual dialog. */
    dialog = e_delegate_dialog_get_toplevel (edd);
    gtk_widget_destroy (dialog);

    g_free (priv->address);
    priv->address = NULL;

    g_free (priv);
    edd->priv = NULL;

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

EDelegateDialog *
e_delegate_dialog_construct (EDelegateDialog *edd,
                             const gchar *name,
                             const gchar *address)
{
    EDelegateDialogPrivate *priv;
    EDestinationStore *destination_store;
    EDestination *dest;
    ENameSelectorModel *name_selector_model;
    ENameSelectorDialog *name_selector_dialog;

    g_return_val_if_fail (edd != NULL, NULL);
    g_return_val_if_fail (E_IS_DELEGATE_DIALOG (edd), NULL);

    priv = edd->priv;

    /* Load the content widgets */

    priv->builder = gtk_builder_new ();
    e_load_ui_builder_definition (priv->builder, "e-delegate-dialog.ui");

    if (!get_widgets (edd)) {
        g_message ("e_delegate_dialog_construct(): Could not find all widgets in the XML file!");
        goto error;
    }

    priv->name_selector = e_name_selector_new ();
    e_name_selector_load_books (priv->name_selector);
    name_selector_model = e_name_selector_peek_model (priv->name_selector);
    e_name_selector_model_add_section (name_selector_model, section_name, section_name, NULL);

    priv->entry = GTK_WIDGET (e_name_selector_peek_section_entry (priv->name_selector, section_name));
    gtk_widget_show (priv->entry);
    gtk_box_pack_start (GTK_BOX (priv->hbox), priv->entry, TRUE, TRUE, 6);

    dest = e_destination_new ();

    if (name != NULL && *name)
        e_destination_set_name (dest, name);
    if (address != NULL && *address)
        e_destination_set_email (dest, address);

    e_name_selector_model_peek_section (name_selector_model, section_name, NULL, &destination_store);
    e_destination_store_append_destination (destination_store, dest);
    g_object_unref (dest);

    g_signal_connect ((priv->addressbook), "clicked",
                G_CALLBACK (addressbook_clicked_cb), edd);

    name_selector_dialog = e_name_selector_peek_dialog (priv->name_selector);
    g_signal_connect (name_selector_dialog, "response", G_CALLBACK (addressbook_response_cb), edd);

    return edd;

 error:

    g_object_unref (edd);
    return NULL;
}

static gboolean
get_widgets (EDelegateDialog *edd)
{
    EDelegateDialogPrivate *priv;

    priv = edd->priv;

    priv->app = e_builder_get_widget (priv->builder, "delegate-dialog");
    priv->hbox = e_builder_get_widget (priv->builder, "delegate-hbox");
    priv->addressbook = e_builder_get_widget (priv->builder, "addressbook");

    return (priv->app
        && priv->hbox
        && priv->addressbook);
}

static void
addressbook_clicked_cb (GtkWidget *widget,
                        gpointer data)
{
    EDelegateDialog *edd = data;

    e_name_selector_show_dialog (edd->priv->name_selector,
                     e_delegate_dialog_get_toplevel (edd));
}

static void
addressbook_response_cb (GtkWidget *widget,
                         gint response,
                         gpointer data)
{
    EDelegateDialog *edd = data;
    EDelegateDialogPrivate *priv;
    ENameSelectorDialog *name_selector_dialog;

    priv = edd->priv;

    name_selector_dialog = e_name_selector_peek_dialog (priv->name_selector);
    gtk_widget_hide (GTK_WIDGET (name_selector_dialog));
}

/**
 * e_delegate_dialog_new:
 *
 * Creates a new event editor dialog.
 *
 * Return value: A newly-created event editor dialog, or NULL if the event
 * editor could not be created.
 **/
EDelegateDialog *
e_delegate_dialog_new (const gchar *name,
                       const gchar *address)
{
    EDelegateDialog *edd;

    edd = E_DELEGATE_DIALOG (g_object_new (E_TYPE_DELEGATE_DIALOG, NULL));
    return e_delegate_dialog_construct (E_DELEGATE_DIALOG (edd), name, address);
}

gchar *
e_delegate_dialog_get_delegate (EDelegateDialog *edd)
{
    EDelegateDialogPrivate *priv;
    ENameSelectorModel *name_selector_model;
    EDestinationStore *destination_store;
    GList *destinations;
    EDestination *destination;

    g_return_val_if_fail (edd != NULL, NULL);
    g_return_val_if_fail (E_IS_DELEGATE_DIALOG (edd), NULL);

    priv = edd->priv;

    name_selector_model = e_name_selector_peek_model (priv->name_selector);
    e_name_selector_model_peek_section (name_selector_model, section_name, NULL, &destination_store);
    destinations = e_destination_store_list_destinations (destination_store);
    if (!destinations)
        return NULL;

    destination = destinations->data;

    if (destination) {
        g_free (priv->address);
        priv->address = g_strdup (e_destination_get_email (destination));
    }

    g_list_free (destinations);
    return g_strdup (priv->address);
}

gchar *
e_delegate_dialog_get_delegate_name (EDelegateDialog *edd)
{
    EDelegateDialogPrivate *priv;
    ENameSelectorModel *name_selector_model;
    EDestinationStore *destination_store;
    GList *destinations;
    EDestination *destination;

    g_return_val_if_fail (edd != NULL, NULL);
    g_return_val_if_fail (E_IS_DELEGATE_DIALOG (edd), NULL);

    priv = edd->priv;

    name_selector_model = e_name_selector_peek_model (priv->name_selector);
    e_name_selector_model_peek_section (name_selector_model, section_name, NULL, &destination_store);
    destinations = e_destination_store_list_destinations (destination_store);
    if (!destinations)
        return NULL;

    destination = destinations->data;

    if (destination) {
        g_free (priv->name);
        priv->name = g_strdup (e_destination_get_name (destination));
    }

    g_list_free (destinations);
    return g_strdup (priv->name);
}

GtkWidget *
e_delegate_dialog_get_toplevel (EDelegateDialog *edd)
{
    EDelegateDialogPrivate *priv;

    g_return_val_if_fail (edd != NULL, NULL);
    g_return_val_if_fail (E_IS_DELEGATE_DIALOG (edd), NULL);

    priv = edd->priv;

    return priv->app;
}