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path: root/calendar/gui/dialogs/task-editor.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*
 * Author :
 *  Damon Chaplin <damon@helixcode.com>
 *
 * Copyright 2000, Helix Code, Inc.
 *
 * This program 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 program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

/*
 * TaskEditor - a GtkObject which handles a libglade-loaded dialog to edit
 * tasks.
 */

#include <config.h>
#include <gnome.h>
#include <glade/glade.h>
#include <e-util/e-util.h>
#include <e-util/e-dialog-widgets.h>
#include <cal-util/timeutil.h>
#include <cal-client/cal-client.h>
#include "task-editor.h"


typedef struct {
    /* Glade XML data */
    GladeXML *xml;

    /* UI handler */
    BonoboUIHandler *uih;

    /* Client to use */
    CalClient *client;
    
    /* Calendar component we are editing; this is an internal copy and is
     * not one of the read-only objects from the parent calendar.
     */
    CalComponent *comp;


    /* This is TRUE while we are setting the widget values. We just return
       from any signal handlers. */
    gboolean ignore_callbacks;

    /* Widgets from the Glade file */

    GtkWidget *app;

    GtkWidget *summary;

    GtkWidget *due_date;
    GtkWidget *start_date;

    GtkWidget *percent_complete;

    GtkWidget *status;
    GtkWidget *priority;
    GtkWidget *classification;

    GtkWidget *description;

    GtkWidget *contacts;
    GtkWidget *categories;

    GtkWidget *completed_date;
    GtkWidget *url;
} TaskEditorPrivate;

/* CalComponent doesn't support status yet, so we use this temporarily. */
typedef enum {
    STATUS_NOT_STARTED,
    STATUS_IN_PROGRESS,
    STATUS_COMPLETED,
    STATUS_CANCELLED
} TaskEditorStatus;

static const int status_map[] = {
    STATUS_NOT_STARTED,
    STATUS_IN_PROGRESS,
    STATUS_COMPLETED,
    STATUS_CANCELLED,
    -1
};

typedef enum {
    PRIORITY_HIGH,
    PRIORITY_NORMAL,
    PRIORITY_LOW,
    PRIORITY_UNDEFINED,
} TaskEditorPriority;

static const int priority_map[] = {
    PRIORITY_HIGH,
    PRIORITY_NORMAL,
    PRIORITY_LOW,
    PRIORITY_UNDEFINED,
    -1
};

static const int classification_map[] = {
    CAL_COMPONENT_CLASS_PUBLIC,
    CAL_COMPONENT_CLASS_PRIVATE,
    CAL_COMPONENT_CLASS_CONFIDENTIAL,
    -1
};


static void task_editor_class_init (TaskEditorClass *class);
static void task_editor_init (TaskEditor *tedit);
static gint app_delete_event_cb (GtkWidget *widget,
                 GdkEvent *event,
                 gpointer data);
static void close_dialog (TaskEditor *tedit);
static gboolean get_widgets (TaskEditor *tedit);
static void init_widgets (TaskEditor *tedit);
static void create_menu (TaskEditor *tedit);
static void create_toolbar (TaskEditor *tedit);
static void task_editor_destroy (GtkObject *object);
static char * make_title_from_comp (CalComponent *comp);
static void clear_widgets (TaskEditor *tedit);
static void fill_widgets (TaskEditor *tedit);

static void file_save_cb (GtkWidget *widget, gpointer data);
static void file_save_and_close_cb (GtkWidget *widget, gpointer data);
static void file_delete_cb (GtkWidget *widget, gpointer data);
static void file_close_cb (GtkWidget *widget, gpointer data);

static void save_todo_object (TaskEditor *tedit);
static void dialog_to_comp_object (TaskEditor *tedit);

static void obj_updated_cb (CalClient *client, const char *uid, gpointer data);
static void obj_removed_cb (CalClient *client, const char *uid, gpointer data);
static void raise_and_focus (GtkWidget *widget);

static TaskEditorPriority priority_value_to_index (int priority_value);
static int priority_index_to_value (TaskEditorPriority priority);

static void completed_date_changed  (GnomeDateEdit  *dedit,
                     TaskEditor *tedit);
static void status_changed      (GtkMenu    *menu,
                     TaskEditor *tedit);
static void percent_complete_changed    (GtkAdjustment  *adj,
                     TaskEditor *tedit);

static GtkObjectClass *parent_class;

E_MAKE_TYPE(task_editor, "TaskEditor", TaskEditor,
        task_editor_class_init, task_editor_init, GTK_TYPE_OBJECT)


static void
task_editor_class_init (TaskEditorClass *class)
{
    GtkObjectClass *object_class;

    object_class = (GtkObjectClass *) class;

    parent_class = gtk_type_class (GTK_TYPE_OBJECT);

    object_class->destroy = task_editor_destroy;
}


static void
task_editor_init (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;

    priv = g_new0 (TaskEditorPrivate, 1);
    tedit->priv = priv;

    priv->ignore_callbacks = FALSE;
}


/**
 * task_editor_new:
 * @Returns: a new #TaskEditor.
 *
 * Creates a new #TaskEditor.
 **/
TaskEditor *
task_editor_new (void)
{
    TaskEditor *tedit;

    tedit = TASK_EDITOR (gtk_type_new (task_editor_get_type ()));
    return task_editor_construct (tedit);
}


/**
 * task_editor_construct:
 * @tedit: A #TaskEditor.
 * 
 * Constructs a task editor by loading its Glade XML file.
 * 
 * Return value: The same object as @tedit, or NULL if the widgets could not be
 * created.  In the latter case, the task editor will automatically be
 * destroyed.
 **/
TaskEditor *
task_editor_construct (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;

    g_return_val_if_fail (tedit != NULL, NULL);
    g_return_val_if_fail (IS_TASK_EDITOR (tedit), NULL);

    priv = tedit->priv;

    /* Load the content widgets */

    priv->xml = glade_xml_new (EVOLUTION_GLADEDIR "/task-editor-dialog.glade", NULL);
    if (!priv->xml) {
        g_message ("task_editor_construct(): Could not load the Glade XML file!");
        goto error;
    }

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

    init_widgets (tedit);

    /* Construct the app */

    priv->uih = bonobo_ui_handler_new ();
    if (!priv->uih) {
        g_message ("task_editor_construct(): Could not create the UI handler");
        goto error;
    }

    bonobo_ui_handler_set_app (priv->uih, GNOME_APP (priv->app));

    create_menu (tedit);
    create_toolbar (tedit);

    /* Hook to destruction of the dialog */

    gtk_signal_connect (GTK_OBJECT (priv->app), "delete_event",
                GTK_SIGNAL_FUNC (app_delete_event_cb), tedit);

    /* Show the dialog */

    gtk_widget_show (priv->app);

    return tedit;

 error:

    gtk_object_unref (GTK_OBJECT (tedit));
    return NULL;
}


/* Callback used when the dialog box is destroyed */
static gint
app_delete_event_cb (GtkWidget *widget, GdkEvent *event, gpointer data)
{
    TaskEditor *tedit;

    /* FIXME: need to check for a dirty object */

    tedit = TASK_EDITOR (data);
    close_dialog (tedit);

    return TRUE;
}


/* Closes the dialog box and emits the appropriate signals */
static void
close_dialog (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;

    priv = tedit->priv;

    g_assert (priv->app != NULL);

    gtk_object_destroy (GTK_OBJECT (tedit));
}


/* Gets the widgets from the XML file and returns if they are all available.
 * For the widgets whose values can be simply set with e-dialog-utils, it does
 * that as well.
 */
static gboolean
get_widgets (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;

    priv = tedit->priv;

#define GW(name) glade_xml_get_widget (priv->xml, name)

    priv->app = GW ("task-editor-dialog");

    priv->summary = GW ("summary");

    priv->due_date = GW ("due-date");
    priv->start_date = GW ("start-date");

    priv->percent_complete = GW ("percent-complete");

    priv->status = GW ("status");
    priv->priority = GW ("priority");
    priv->classification = GW ("classification");

    priv->description = GW ("description");

    priv->contacts = GW ("contacts");
    priv->categories = GW ("categories");

    priv->completed_date = GW ("completed-date");
    priv->url = GW ("url");

#undef GW

    return (priv->app
        && priv->summary
        && priv->due_date
        && priv->start_date
        && priv->percent_complete
        && priv->status
        && priv->priority
        && priv->classification
        && priv->description
        && priv->contacts
        && priv->categories
        && priv->completed_date
        && priv->url);
}


/* Hooks the widget signals */
static void
init_widgets (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    GnomeDateEdit *gde;
    GtkWidget *widget;

    priv = tedit->priv;


    /* Connect signals. The Status, Percent Complete & Date Completed
       properties are closely related so whenever one changes we may need
       to update the other 2. */
    gtk_signal_connect (GTK_OBJECT (priv->completed_date), "date_changed",
                GTK_SIGNAL_FUNC (completed_date_changed), tedit);
    gtk_signal_connect (GTK_OBJECT (priv->completed_date), "time_changed",
                GTK_SIGNAL_FUNC (completed_date_changed), tedit);

    gtk_signal_connect (GTK_OBJECT (GTK_OPTION_MENU (priv->status)->menu),
                "deactivate",
                GTK_SIGNAL_FUNC (status_changed), tedit);

    gtk_signal_connect (GTK_OBJECT (GTK_SPIN_BUTTON (priv->percent_complete)->adjustment),
                "value_changed",
                GTK_SIGNAL_FUNC (percent_complete_changed), tedit);


    /* Hide the stupid 'Calendar' labels. */
    gde = GNOME_DATE_EDIT (priv->due_date);
    gtk_widget_hide (gde->cal_label);
    widget = gde->date_entry;
    gtk_box_set_child_packing (GTK_BOX (widget->parent), widget,
                   FALSE, FALSE, 0, GTK_PACK_START);
    widget = gde->time_entry;
    gtk_box_set_child_packing (GTK_BOX (widget->parent), widget,
                   FALSE, FALSE, 0, GTK_PACK_START);
    gtk_box_set_spacing (GTK_BOX (widget->parent), 2);

    gde = GNOME_DATE_EDIT (priv->start_date);
    gtk_widget_hide (gde->cal_label);
    widget = gde->date_entry;
    gtk_box_set_child_packing (GTK_BOX (widget->parent), widget,
                   FALSE, FALSE, 0, GTK_PACK_START);
    widget = gde->time_entry;
    gtk_box_set_child_packing (GTK_BOX (widget->parent), widget,
                   FALSE, FALSE, 0, GTK_PACK_START);
    gtk_box_set_spacing (GTK_BOX (widget->parent), 2);

    gde = GNOME_DATE_EDIT (priv->completed_date);
    gtk_widget_hide (gde->cal_label);
    widget = gde->date_entry;
    gtk_box_set_child_packing (GTK_BOX (widget->parent), widget,
                   FALSE, FALSE, 0, GTK_PACK_START);
    widget = gde->time_entry;
    gtk_box_set_child_packing (GTK_BOX (widget->parent), widget,
                   FALSE, FALSE, 0, GTK_PACK_START);
    gtk_box_set_spacing (GTK_BOX (widget->parent), 2);
}


/* Menu bar */

static GnomeUIInfo file_new_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Task"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Task _Request"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Mail Message"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Appointment"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Meeting Re_quest"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Contact"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Task"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Task _Request"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Journal Entry"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Note"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Ch_oose Form..."), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo file_page_setup_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Memo Style"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Define Print _Styles..."), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo file_menu[] = {
    GNOMEUIINFO_MENU_NEW_SUBTREE (file_new_menu),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: S_end"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_MENU_SAVE_ITEM (file_save_cb, NULL),
    GNOMEUIINFO_MENU_SAVE_AS_ITEM (NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Save Attac_hments..."), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_STOCK (N_("_Delete"), NULL, 
                file_delete_cb, GNOME_STOCK_PIXMAP_TRASH),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Move to Folder..."), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Cop_y to Folder..."), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_SUBTREE (N_("Page Set_up"), file_page_setup_menu),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Print Pre_view"), NULL, NULL),
    GNOMEUIINFO_MENU_PRINT_ITEM (NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_MENU_PROPERTIES_ITEM (NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_MENU_CLOSE_ITEM (file_close_cb, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo edit_object_menu[] = {
    GNOMEUIINFO_ITEM_NONE ("FIXME: what goes here?", NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo edit_menu[] = {
    GNOMEUIINFO_MENU_UNDO_ITEM (NULL, NULL),
    GNOMEUIINFO_MENU_REDO_ITEM (NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_MENU_CUT_ITEM (NULL, NULL),
    GNOMEUIINFO_MENU_COPY_ITEM (NULL, NULL),
    GNOMEUIINFO_MENU_PASTE_ITEM (NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Paste _Special..."), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_MENU_CLEAR_ITEM (NULL, NULL),
    GNOMEUIINFO_MENU_SELECT_ALL_ITEM (NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Mark as U_nread"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_MENU_FIND_ITEM (NULL, NULL),
    GNOMEUIINFO_MENU_FIND_AGAIN_ITEM (NULL, NULL),
    GNOMEUIINFO_SUBTREE (N_("_Object"), edit_object_menu),
    GNOMEUIINFO_END
};

static GnomeUIInfo view_previous_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Item"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Unread Item"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: In_complete Task"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Fi_rst Item in Folder"), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo view_next_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Item"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Unread Item"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: In_complete Task"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Last Item in Folder"), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo view_toolbars_menu[] = {
    { GNOME_APP_UI_TOGGLEITEM, N_("FIXME: _Standard"), NULL, NULL, NULL, NULL,
      GNOME_APP_PIXMAP_NONE, NULL, 0, 0, NULL },
    { GNOME_APP_UI_TOGGLEITEM, N_("FIXME: __Formatting"), NULL, NULL, NULL, NULL,
      GNOME_APP_PIXMAP_NONE, NULL, 0, 0, NULL },
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Customize..."), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo view_menu[] = {
    GNOMEUIINFO_SUBTREE (N_("Pre_vious"), view_previous_menu),
    GNOMEUIINFO_SUBTREE (N_("Ne_xt"), view_next_menu),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_SUBTREE (N_("_Toolbars"), view_toolbars_menu),
    GNOMEUIINFO_END
};

static GnomeUIInfo insert_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _File..."), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: It_em..."), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Object..."), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo format_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Font..."), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Paragraph..."), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo tools_forms_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Ch_oose Form..."), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Desi_gn This Form"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: D_esign a Form..."), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Publish _Form..."), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Pu_blish Form As..."), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Script _Debugger"), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo tools_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Spelling..."), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Chec_k Names"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Address _Book..."), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_SUBTREE (N_("_Forms"), tools_forms_menu),
    GNOMEUIINFO_END
};

static GnomeUIInfo actions_menu[] = {
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _New Task"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: S_end Status Report"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Mark Complete"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Rec_urrence..."), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: S_kip Occurrence"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Assig_n Task"), NULL, NULL),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: _Reply"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Reply to A_ll"), NULL, NULL),
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: For_ward"), NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo help_menu[] = {
    GNOMEUIINFO_ITEM_NONE ("FIXME: fix Bonobo so it supports help items!", NULL, NULL),
    GNOMEUIINFO_END
};

static GnomeUIInfo main_menu[] = {
    GNOMEUIINFO_MENU_FILE_TREE (file_menu),
    GNOMEUIINFO_MENU_EDIT_TREE (edit_menu),
    GNOMEUIINFO_MENU_VIEW_TREE (view_menu),
    GNOMEUIINFO_SUBTREE (N_("_Insert"), insert_menu),
    GNOMEUIINFO_SUBTREE (N_("F_ormat"), format_menu),
    GNOMEUIINFO_SUBTREE (N_("_Tools"), tools_menu),
    GNOMEUIINFO_SUBTREE (N_("Actio_ns"), actions_menu),
    GNOMEUIINFO_MENU_HELP_TREE (help_menu),
    GNOMEUIINFO_END
};


/* Creates the menu bar for the event editor */
static void
create_menu (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    BonoboUIHandlerMenuItem *list;

    priv = tedit->priv;

    bonobo_ui_handler_create_menubar (priv->uih);

    list = bonobo_ui_handler_menu_parse_uiinfo_list_with_data (main_menu,
                                   tedit);
    bonobo_ui_handler_menu_add_list (priv->uih, "/", list);
}


/* Toolbar */

static GnomeUIInfo toolbar[] = {
    GNOMEUIINFO_ITEM_STOCK (N_("Save and Close"),
                N_("Save the task and close the dialog box"),
                file_save_and_close_cb,
                GNOME_STOCK_PIXMAP_SAVE),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_STOCK (N_("FIXME: Print..."),
                N_("Print this item"),
                NULL,
                GNOME_STOCK_PIXMAP_PRINT),
    GNOMEUIINFO_ITEM_STOCK (N_("FIXME: Insert File..."),
                N_("Insert a file as an attachment"),
                NULL,
                GNOME_STOCK_PIXMAP_ATTACH),
    GNOMEUIINFO_SEPARATOR,
#if 0
    GNOMEUIINFO_ITEM_NONE (N_("FIXME: Assign Task..."),
                   N_("Assign the task to someone"),
                   NULL),
    GNOMEUIINFO_SEPARATOR,
#endif
    GNOMEUIINFO_ITEM_STOCK (N_("Delete"),
                N_("Delete this task"),
                file_delete_cb,
                GNOME_STOCK_PIXMAP_TRASH),
    GNOMEUIINFO_SEPARATOR,
    GNOMEUIINFO_ITEM_STOCK (N_("FIXME: Previous"),
                N_("Go to the previous item"),
                NULL,
                GNOME_STOCK_PIXMAP_BACK),
    GNOMEUIINFO_ITEM_STOCK (N_("FIXME: Next"),
                N_("Go to the next item"),
                NULL,
                GNOME_STOCK_PIXMAP_FORWARD),
    GNOMEUIINFO_ITEM_STOCK (N_("FIXME: Help"),
                N_("See online help"),
                NULL,
                GNOME_STOCK_PIXMAP_HELP),
    GNOMEUIINFO_END
};


/* Creates the toolbar for the event editor */
static void
create_toolbar (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    BonoboUIHandlerToolbarItem *list;
    GnomeDockItem *dock_item;
    GtkWidget *toolbar_child;

    priv = tedit->priv;

    bonobo_ui_handler_create_toolbar (priv->uih, "Toolbar");

    /* Fetch the toolbar.  What a pain in the ass. */

    dock_item = gnome_app_get_dock_item_by_name (GNOME_APP (priv->app), GNOME_APP_TOOLBAR_NAME);
    g_assert (dock_item != NULL);

    toolbar_child = gnome_dock_item_get_child (dock_item);
    g_assert (toolbar_child != NULL && GTK_IS_TOOLBAR (toolbar_child));

    /* Turn off labels as GtkToolbar sucks */
    gtk_toolbar_set_style (GTK_TOOLBAR (toolbar_child), GTK_TOOLBAR_ICONS);

    list = bonobo_ui_handler_toolbar_parse_uiinfo_list_with_data (toolbar,
                                      tedit);
    bonobo_ui_handler_toolbar_add_list (priv->uih, "/Toolbar", list);
}


static void
task_editor_destroy (GtkObject *object)
{
    TaskEditor *tedit;
    TaskEditorPrivate *priv;

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

    tedit = TASK_EDITOR (object);
    priv = tedit->priv;

    if (priv->uih) {
        bonobo_object_unref (BONOBO_OBJECT (priv->uih));
        priv->uih = NULL;
    }

    if (priv->app) {
        gtk_widget_destroy (priv->app);
        priv->app = NULL;
    }

    if (priv->comp) {
        gtk_object_unref (GTK_OBJECT (priv->comp));
        priv->comp = NULL;
    }

    if (priv->client) {
        gtk_signal_disconnect_by_data (GTK_OBJECT (priv->client),
                           tedit);
        gtk_object_unref (GTK_OBJECT (priv->client));
        priv->client = NULL;
    }

    if (priv->xml) {
        gtk_object_unref (GTK_OBJECT (priv->xml));
        priv->xml = NULL;
    }

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

    if (GTK_OBJECT_CLASS (parent_class)->destroy)
        (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}


void 
task_editor_set_cal_client (TaskEditor *tedit,
                CalClient *client)
{
    TaskEditorPrivate *priv;

    g_return_if_fail (tedit != NULL);
    g_return_if_fail (IS_TASK_EDITOR (tedit));

    priv = tedit->priv;

    if (client == priv->client)
        return;

    if (client)
        g_return_if_fail (IS_CAL_CLIENT (client));

    if (client)
        g_return_if_fail (cal_client_is_loaded (client));   
    
    if (client)
        gtk_object_ref (GTK_OBJECT (client));

    if (priv->client) {
        gtk_signal_disconnect_by_data (GTK_OBJECT (priv->client),
                           tedit);
        gtk_object_unref (GTK_OBJECT (priv->client));
    }

    priv->client = client;

    if (priv->client) {
        gtk_signal_connect (GTK_OBJECT (priv->client), "obj_updated",
                    GTK_SIGNAL_FUNC (obj_updated_cb), tedit);
        gtk_signal_connect (GTK_OBJECT (priv->client), "obj_removed",
                    GTK_SIGNAL_FUNC (obj_removed_cb), tedit);
    }
}


/* Callback used when the calendar client tells us that an object changed */
static void
obj_updated_cb (CalClient *client, const char *uid, gpointer data)
{
    TaskEditor *tedit;
    TaskEditorPrivate *priv;
    CalComponent *comp;
    CalClientGetStatus status;
    const gchar *editing_uid;

    tedit = TASK_EDITOR (data);

    g_return_if_fail (IS_TASK_EDITOR (tedit));

    priv = tedit->priv;
    
    /* If we aren't showing the object which has been updated, return. */
    if (!priv->comp)
      return;
    cal_component_get_uid (priv->comp, &editing_uid);
    if (strcmp (uid, editing_uid))
      return;


    /* Get the task from the server. */
    status = cal_client_get_object (priv->client, uid, &comp);

    switch (status) {
    case CAL_CLIENT_GET_SUCCESS:
        /* Everything is fine */
        break;

    case CAL_CLIENT_GET_SYNTAX_ERROR:
        g_message ("obj_updated_cb(): Syntax error when getting object `%s'", uid);
        return;

    case CAL_CLIENT_GET_NOT_FOUND:
        /* The object is no longer in the server, so do nothing */
        return;

    default:
        g_assert_not_reached ();
        return;
    }

    raise_and_focus (priv->app);
}

/* Callback used when the calendar client tells us that an object was removed */
static void
obj_removed_cb (CalClient *client, const char *uid, gpointer data)
{
    TaskEditor *tedit;
    TaskEditorPrivate *priv;
    const gchar *editing_uid;

    tedit = TASK_EDITOR (data);

    g_return_if_fail (tedit != NULL);
    g_return_if_fail (IS_TASK_EDITOR (tedit));

    priv = tedit->priv;

    /* If we aren't showing the object which has been updated, return. */
    if (!priv->comp)
      return;
    cal_component_get_uid (priv->comp, &editing_uid);
    if (strcmp (uid, editing_uid))
      return;


    raise_and_focus (priv->app);
}


/* Brings attention to a window by raising it and giving it focus */
static void
raise_and_focus (GtkWidget *widget)
{
    g_assert (GTK_WIDGET_REALIZED (widget));
    gdk_window_show (widget->window);
    gtk_widget_grab_focus (widget);
}


/**
 * task_editor_set_todo_object:
 * @tedit: A #TaskEditor.
 * @comp: A todo object.
 * 
 * Sets the todo object that a task editor dialog will manipulate.
 **/
void
task_editor_set_todo_object (TaskEditor *tedit,
                 CalComponent   *comp)
{
    TaskEditorPrivate *priv;
    char *title;

    g_return_if_fail (tedit != NULL);
    g_return_if_fail (IS_TASK_EDITOR (tedit));

    priv = tedit->priv;

    if (priv->comp) {
        gtk_object_unref (GTK_OBJECT (priv->comp));
        priv->comp = NULL;
    }

    if (comp)
        priv->comp = cal_component_clone (comp);

    title = make_title_from_comp (priv->comp);
    gtk_window_set_title (GTK_WINDOW (priv->app), title);
    g_free (title);

    fill_widgets (tedit);
}


/* Creates an appropriate title for the task editor dialog */
static char *
make_title_from_comp (CalComponent *comp)
{
    const char *summary;
    CalComponentVType type;
    CalComponentText text;
    
    if (!comp)
        return g_strdup (_("Edit Task"));

    cal_component_get_summary (comp, &text);
    if (text.value)
        summary = text.value;
    else
        summary =  _("No summary");

    
    type = cal_component_get_vtype (comp);
    switch (type) {
    case CAL_COMPONENT_EVENT:
        return g_strdup_printf (_("Appointment - %s"), summary);

    case CAL_COMPONENT_TODO:
        return g_strdup_printf (_("Task - %s"), summary);

    case CAL_COMPONENT_JOURNAL:
        return g_strdup_printf (_("Journal entry - %s"), summary);

    default:
        g_message ("make_title_from_comp(): Cannot handle object of type %d", type);
        return NULL;
    }
}


/* Fills the widgets with default values */
static void
clear_widgets (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;

    priv = tedit->priv;


}

/* Fills in the widgets with the proper values */
static void
fill_widgets (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    CalComponentText text;
    CalComponentDateTime d;
    struct icaltimetype *completed;
    CalComponentClassification classification;
    GSList *l;
    time_t t;
    int *priority_value, *percent;
    TaskEditorPriority priority;
    const char *url;

    priv = tedit->priv;

    clear_widgets (tedit);

    if (!priv->comp)
        return;

    /* We want to ignore any signals emitted while changing fields. */
    priv->ignore_callbacks = TRUE;


    cal_component_get_summary (priv->comp, &text);
    e_dialog_editable_set (priv->summary, text.value);

    cal_component_get_description_list (priv->comp, &l);
    if (l) {
        text = *(CalComponentText *)l->data;
        e_dialog_editable_set (priv->description, text.value);
    } else {
        e_dialog_editable_set (priv->description, NULL);
    }
    cal_component_free_text_list (l);
    
    /* Due Date. */
    cal_component_get_due (priv->comp, &d);
    if (d.value) {
        t = icaltime_as_timet (*d.value);
    } else {
        /* FIXME: Can't set GnomeDateEdit to a date of 'None'. */
        t = time (NULL);
    }
    e_dialog_dateedit_set (priv->due_date, t);

    /* Start Date. */
    cal_component_get_dtstart (priv->comp, &d);
    if (d.value) {
        t = icaltime_as_timet (*d.value);
    } else {
        /* FIXME: Can't set GnomeDateEdit to a date of 'None'. */
        t = time (NULL);
    }
    e_dialog_dateedit_set (priv->start_date, t);

    /* Completed Date. */
    cal_component_get_completed (priv->comp, &completed);
    if (completed) {
        t = icaltime_as_timet (*completed);
        cal_component_free_icaltimetype (completed);
    } else {
        /* FIXME: Can't set GnomeDateEdit to a date of 'None'. */
        t = time (NULL);
    }
    e_dialog_dateedit_set (priv->completed_date, t);

    /* Percent Complete. */
    cal_component_get_percent (priv->comp, &percent);
    if (percent) {
        e_dialog_spin_set (priv->percent_complete, *percent);
        cal_component_free_percent (percent);
    } else {
        /* FIXME: Could check if task is completed and set 100%. */
        e_dialog_spin_set (priv->percent_complete, 0);
    }

    /* Status. FIXME: CalComponent doesn't support this yet. */
    e_dialog_option_menu_set (priv->status, STATUS_IN_PROGRESS,
                  status_map);

    /* Priority. */
    cal_component_get_priority (priv->comp, &priority_value);
    if (priority_value) {
        priority = priority_value_to_index (*priority_value);
        cal_component_free_priority (priority_value);
    } else {
        priority = PRIORITY_UNDEFINED;
    }
    e_dialog_option_menu_set (priv->priority, priority, priority_map);


    /* Classification. */
    cal_component_get_classification (priv->comp, &classification);
    e_dialog_option_menu_set (priv->classification, classification,
                  classification_map);


    /* URL. */
    cal_component_get_url (priv->comp, &url);
    e_dialog_editable_set (priv->url, url);

    priv->ignore_callbacks = FALSE;
}


static void
save_todo_object (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    char *title;

    priv = tedit->priv;

    g_return_if_fail (priv->client != NULL);

    if (!priv->comp)
        return;

    dialog_to_comp_object (tedit);

    title = make_title_from_comp (priv->comp);
    gtk_window_set_title (GTK_WINDOW (priv->app), title);
    g_free (title);

    if (!cal_client_update_object (priv->client, priv->comp))
        g_message ("save_todo_object(): Could not update the object!");
}


/* Get the values of the widgets in the event editor and put them in the iCalObject */
static void
dialog_to_comp_object (TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    CalComponent *comp;
    CalComponentText *text;
    CalComponentDateTime date;
    time_t t;
    GSList *list;
    TaskEditorStatus status;
    TaskEditorPriority priority;
    int priority_value, percent;
    CalComponentClassification classification;
    char *url;
    
    priv = tedit->priv;
    comp = priv->comp;

    /* Summary. */
    text = g_new0 (CalComponentText, 1);
    text->value = e_dialog_editable_get (priv->summary);
    cal_component_set_summary (comp, text);

    /* Description. Note that we use the text variable again, and it is
       freed in cal_component_free_text_list(). */
    list = NULL;
    text->value  = e_dialog_editable_get (priv->description);
    list = g_slist_prepend (list, text);
    cal_component_set_description_list (comp, list);
    cal_component_free_text_list (list);
    

    date.value = g_new (struct icaltimetype, 1);
    date.tzid = NULL;

    /* Due Date. */
    t = e_dialog_dateedit_get (priv->due_date);
    *date.value = icaltime_from_timet (t, FALSE, FALSE);
    cal_component_set_due (comp, &date);

    /* Start Date. */
    t = e_dialog_dateedit_get (priv->start_date);
    *date.value = icaltime_from_timet (t, FALSE, FALSE);
    cal_component_set_dtstart (comp, &date);

    /* Completed Date. */
    t = e_dialog_dateedit_get (priv->completed_date);
    *date.value = icaltime_from_timet (t, FALSE, FALSE);
    cal_component_set_completed (comp, date.value);

    g_free (date.value);

    /* Percent Complete. */
    percent = e_dialog_spin_get_int (priv->percent_complete);
    cal_component_set_percent (comp, &percent);

    /* Status. FIXME: CalComponent doesn't support it. */
    status = e_dialog_option_menu_get (priv->status, status_map);
#if 0
    cal_component_set_status (comp, status);
#endif

    /* Priority. */
    priority = e_dialog_option_menu_get (priv->priority, priority_map);
    priority_value = priority_index_to_value (priority);
    cal_component_set_priority (comp, &priority_value);

    /* Classification. */
    classification = e_dialog_option_menu_get (priv->classification,
                           classification_map);
    cal_component_set_classification (comp, classification);


    /* URL. */
    url = e_dialog_editable_get (priv->url);
    cal_component_set_url (comp, url);




    cal_component_commit_sequence (comp);
}



/* File/Save callback */
static void
file_save_cb (GtkWidget *widget, gpointer data)
{
    TaskEditor *tedit;

    tedit = TASK_EDITOR (data);
    save_todo_object (tedit);
}

/* File/Save and Close callback */
static void
file_save_and_close_cb (GtkWidget *widget, gpointer data)
{
    TaskEditor *tedit;

    tedit = TASK_EDITOR (data);
    save_todo_object (tedit);
    close_dialog (tedit);
}

/* File/Delete callback */
static void
file_delete_cb (GtkWidget *widget, gpointer data)
{
    TaskEditor *tedit;
    TaskEditorPrivate *priv;
    const char *uid;
    
    tedit = TASK_EDITOR (data);

    g_return_if_fail (IS_TASK_EDITOR (tedit));

    priv = tedit->priv;
    
    g_return_if_fail (priv->comp);

    cal_component_get_uid (priv->comp, &uid);

    /* We don't check the return value; FALSE can mean the object was not in
     * the server anyways.
     */
    cal_client_remove_object (priv->client, uid);

    close_dialog (tedit);
}

/* File/Close callback */
static void
file_close_cb (GtkWidget *widget, gpointer data)
{
    TaskEditor *tedit;

    tedit = TASK_EDITOR (data);

    g_return_if_fail (IS_TASK_EDITOR (tedit));

    close_dialog (tedit);
}


static TaskEditorPriority
priority_value_to_index (int priority_value)
{
    TaskEditorPriority retval;

    if (priority_value == 0)
        retval = PRIORITY_UNDEFINED;
    else if (priority_value <= 4)
        retval = PRIORITY_HIGH;
    else if (priority_value == 5)
        retval = PRIORITY_NORMAL;
    else 
        retval = PRIORITY_LOW;

    return retval;
}


static int
priority_index_to_value (TaskEditorPriority priority)
{
    int retval;

    switch (priority) {
    case PRIORITY_UNDEFINED:
        retval = 0;
        break;
    case PRIORITY_HIGH:
        retval = 3;
        break;
    case PRIORITY_NORMAL:
        retval = 5;
        break;
    case PRIORITY_LOW:
        retval = 7;
        break;
    default:
        retval = -1;
        g_assert_not_reached ();
        break;
    }

    return retval;
}


static void
completed_date_changed  (GnomeDateEdit  *dedit,
             TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    time_t t;

    g_return_if_fail (IS_TASK_EDITOR (tedit));

    priv = tedit->priv;

    if (priv->ignore_callbacks)
        return;

    t = e_dialog_dateedit_get (priv->completed_date);
    /* FIXME: We want to check for 'None' here. */
    priv->ignore_callbacks = TRUE;
    if (0) {
        /* What do we do if the 'Date Completed' property is set to
           'None' ? The status should not be 'Completed' and the
           percent-complete should not be 100%, but what do we set
           them to? */

    } else {
        e_dialog_option_menu_set (priv->status, STATUS_COMPLETED,
                      status_map);
        e_dialog_spin_set (priv->percent_complete, 100);
    }
    priv->ignore_callbacks = FALSE;
}


static void
status_changed      (GtkMenu    *menu,
             TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    TaskEditorStatus status;

    g_return_if_fail (IS_TASK_EDITOR (tedit));

    priv = tedit->priv;

    if (priv->ignore_callbacks)
        return;

    status = e_dialog_option_menu_get (priv->status, status_map);
    priv->ignore_callbacks = TRUE;
    if (status == STATUS_NOT_STARTED) {
        e_dialog_spin_set (priv->percent_complete, 0);
        /* FIXME: Set to 'None'. */
        e_dialog_dateedit_set (priv->completed_date, time (NULL));
    } else if (status == STATUS_COMPLETED) {
        e_dialog_spin_set (priv->percent_complete, 100);
        e_dialog_dateedit_set (priv->completed_date, time (NULL));
    }
    priv->ignore_callbacks = FALSE;
}


static void
percent_complete_changed    (GtkAdjustment  *adj,
                 TaskEditor *tedit)
{
    TaskEditorPrivate *priv;
    gint percent;
    TaskEditorStatus status;
    time_t date_completed;

    g_return_if_fail (IS_TASK_EDITOR (tedit));

    priv = tedit->priv;

    if (priv->ignore_callbacks)
        return;

    percent = e_dialog_spin_get_int (priv->percent_complete);
    priv->ignore_callbacks = TRUE;

    if (percent == 100) {
        date_completed = time (NULL);
        status = STATUS_COMPLETED;
    } else {
        /* FIXME: Set to 'None'. */
        date_completed = time (NULL);

        if (percent == 0)
            status = STATUS_NOT_STARTED;
        else
            status = STATUS_IN_PROGRESS;
    }

    e_dialog_dateedit_set (priv->completed_date, date_completed);
    e_dialog_option_menu_set (priv->status, status, status_map);

    priv->ignore_callbacks = FALSE;
}