path: root/calendar/gui/calendar-commands.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Evolution calendar - Commands for the calendar GUI control
 *
 * Copyright (C) 1998 The Free Software Foundation
 * Copyright (C) 2000 Ximian, Inc.
 * Copyright (C) 2000 Ximian, Inc.
 *
 * Authors: Miguel de Icaza <miguel@ximian.com>
 *          Federico Mena-Quintero <federico@ximian.com>
 *          Seth Alves <alves@hungry.com>
 *          Rodrigo Moya <rodrigo@ximian.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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.
 */

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

#include <pwd.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>

#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gtk/gtkfilesel.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkmain.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkspinbutton.h>
#include <gtk/gtkmessagedialog.h>
#include <libgnome/gnome-util.h>
#include <libgnomeui/gnome-dialog-util.h>
#include <libgnomeui/gnome-messagebox.h>
#include <libgnomeui/gnome-stock-icons.h>
#include <libgnome/gnome-util.h>
#include <libgnome/gnome-i18n.h>
#include <bonobo/bonobo-ui-util.h>
#include <bonobo/bonobo-exception.h>
#include <libecal/e-cal-time-util.h>
#include "shell/Evolution.h"
#include "calendar-commands.h"
#include "calendar-config.h"
#include "e-day-view.h"
#include "e-week-view.h"
#include "gnome-cal.h"
#include "goto.h"
#include "print.h"
#include "dialogs/cal-prefs-dialog.h"
#include "itip-utils.h"
#include "e-pub-utils.h"
#include "e-cal-list-view.h"
#include "evolution-shell-component-utils.h"
#include "e-util/e-icon-factory.h"
#include "e-cal-menu.h"

/* Focusing information for the calendar view.  We have to keep track of this
 * ourselves because with Bonobo controls, we may get unpaired focus_out events.
 */
typedef struct {
    guint calendar_focused : 1;
    guint taskpad_focused : 1;
} FocusData;

static void
file_open_event_cb (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    e_calendar_view_open_event (E_CALENDAR_VIEW (gnome_calendar_get_current_view_widget (gcal)));
}


/* Prints the calendar at its current view and time range */
static void
print (GnomeCalendar *gcal, gboolean preview)
{
    time_t start;
    GnomeCalendarViewType view_type;
    PrintView print_view;
    ECalListView *list_view;
    ETable *etable;
    
    gnome_calendar_get_current_time_range (gcal, &start, NULL);
    view_type = gnome_calendar_get_view (gcal);

    switch (view_type) {
    case GNOME_CAL_DAY_VIEW:
        print_view = PRINT_VIEW_DAY;
        break;

    case GNOME_CAL_WORK_WEEK_VIEW:
    case GNOME_CAL_WEEK_VIEW:
        print_view = PRINT_VIEW_WEEK;
        break;

    case GNOME_CAL_MONTH_VIEW:
        print_view = PRINT_VIEW_MONTH;
        break;

    case GNOME_CAL_LIST_VIEW:
        list_view = E_CAL_LIST_VIEW (gnome_calendar_get_current_view_widget (gcal));
        etable = e_table_scrolled_get_table (list_view->table_scrolled);
        print_table (etable, _("Print"), _("Calendar"), preview);
        return;

    default:
        g_assert_not_reached ();
        return;
    }

    print_calendar (gcal, preview, start, print_view);
}

/* File/Print callback */
static void
file_print_cb (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);
    print (gcal, FALSE);
}

static void
file_print_preview_cb (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);
    print (gcal, TRUE);
}

/* Sets a clock cursor for the specified calendar window */
static void
set_clock_cursor (GnomeCalendar *gcal)
{
    GdkCursor *cursor;

    cursor = gdk_cursor_new (GDK_WATCH);
    gdk_window_set_cursor (GTK_WIDGET (gcal)->window, cursor);
    gdk_cursor_destroy (cursor);
    gdk_flush ();
}

/* Resets the normal cursor for the specified calendar window */
static void
set_normal_cursor (GnomeCalendar *gcal)
{
    gdk_window_set_cursor (GTK_WIDGET (gcal)->window, NULL);
    gdk_flush ();
}

static void
previous_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    set_clock_cursor (gcal);
    gnome_calendar_previous (gcal);
    set_normal_cursor (gcal);
}

static void
next_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    set_clock_cursor (gcal);
    gnome_calendar_next (gcal);
    set_normal_cursor (gcal);
}

void
calendar_goto_today (GnomeCalendar *gcal)
{
    set_clock_cursor (gcal);
    gnome_calendar_goto_today (gcal);
    set_normal_cursor (gcal);
}

static void
today_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    calendar_goto_today (gcal);
}

static void
goto_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    goto_dialog (gcal);
}

static void
show_day_view_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    gnome_calendar_set_view (gcal, GNOME_CAL_DAY_VIEW);
}

static void
show_work_week_view_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    gnome_calendar_set_view (gcal, GNOME_CAL_WORK_WEEK_VIEW);
}

static void
show_week_view_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    gnome_calendar_set_view (gcal, GNOME_CAL_WEEK_VIEW);
}

static void
show_month_view_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    gnome_calendar_set_view (gcal, GNOME_CAL_MONTH_VIEW);
}


static void
show_list_view_clicked (BonoboUIComponent *uic, gpointer data, const char *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    gnome_calendar_set_view (gcal, GNOME_CAL_LIST_VIEW);
}


static void
cut_cmd (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);
    set_clock_cursor (gcal);
    gnome_calendar_cut_clipboard (gcal);
    set_normal_cursor (gcal);
}

static void
copy_cmd (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    set_clock_cursor (gcal);
    gnome_calendar_copy_clipboard (gcal);
    set_normal_cursor (gcal);
}

static void
paste_cmd (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    set_clock_cursor (gcal);
    gnome_calendar_paste_clipboard (gcal);
    set_normal_cursor (gcal);
}

static void
delete_cmd (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    set_clock_cursor (gcal);
    gnome_calendar_delete_selection (gcal);
    set_normal_cursor (gcal);
}

static void
delete_occurrence_cmd (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    GnomeCalendar *gcal;

    gcal = GNOME_CALENDAR (data);

    set_clock_cursor (gcal);
    gnome_calendar_delete_selected_occurrence (gcal);
    set_normal_cursor (gcal);
}

static void
publish_freebusy_cmd (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    e_pub_publish (TRUE);
}

static void
purge_cmd (BonoboUIComponent *uic, gpointer data, const gchar *path)
{
    GnomeCalendar *gcal;
    GtkWidget *dialog, *parent, *box, *label, *spin;
    int response;

    gcal = GNOME_CALENDAR (data);

    /* create the dialog */
    parent = gtk_widget_get_toplevel (GTK_WIDGET (gcal));
    dialog = gtk_message_dialog_new (
        (GtkWindow *)parent,
        GTK_DIALOG_DESTROY_WITH_PARENT,
        GTK_MESSAGE_WARNING,
        GTK_BUTTONS_OK_CANCEL,
        _("This operation will permanently erase all events older than the selected amount of time. If you continue, you will not be able to recover these events."));
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);

    box = gtk_hbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), box, TRUE, FALSE, 6);

    label = gtk_label_new (_("Purge events older than"));
    gtk_box_pack_start (GTK_BOX (box), label, TRUE, FALSE, 6);
    spin = gtk_spin_button_new_with_range (0.0, 1000.0, 1.0);
    gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), 60.0);
    gtk_box_pack_start (GTK_BOX (box), spin, FALSE, FALSE, 6);
    label = gtk_label_new (_("days"));
    gtk_box_pack_start (GTK_BOX (box), label, TRUE, FALSE, 6);

    gtk_widget_show_all (box);

    /* run the dialog */
    response = gtk_dialog_run (GTK_DIALOG (dialog));
    if (response == GTK_RESPONSE_OK) {
        gint days;
        time_t tt;

        days = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spin));
        tt = time (NULL);
        tt -= (days * (24 * 3600));

        gnome_calendar_purge (gcal, tt);
    }

    gtk_widget_destroy (dialog);
}

struct _sensitize_item {
    char *command;
    guint32 enable;
};

static void
sensitize_items(BonoboUIComponent *uic, struct _sensitize_item *items, guint32 mask)
{
    while (items->command) {
        char command[32];

        g_assert(strlen(items->command)<21);
        sprintf(command, "/commands/%s", items->command);

        bonobo_ui_component_set_prop (uic, command, "sensitive",
                          (items->enable & mask) == 0 ? "1" : "0",
                          NULL);
        items++;
    }
}

static struct _sensitize_item calendar_sensitize_table[] = {
    { "EventOpen", E_CAL_MENU_SELECT_ONE },
    { "Cut", E_CAL_MENU_SELECT_EDITABLE },
    { "Copy", E_CAL_MENU_SELECT_ANY },
    { "Paste", E_CAL_MENU_SELECT_EDITABLE },
    { "Delete", E_CAL_MENU_SELECT_EDITABLE|E_CAL_MENU_SELECT_NONRECURRING },
    { "DeleteOccurrence", E_CAL_MENU_SELECT_EDITABLE|E_CAL_MENU_SELECT_RECURRING },
    { "DeleteAllOccurrences", E_CAL_MENU_SELECT_EDITABLE|E_CAL_MENU_SELECT_RECURRING },
    { 0 }
};

/* Sensitizes the UI Component menu/toolbar calendar commands based on the
 * number of selected events. (This will always be 0 or 1 currently.)  If enable
 * is FALSE, all will be disabled.  Otherwise, the currently-selected number of
 * events will be used.
 */
void
calendar_control_sensitize_calendar_commands (BonoboControl *control, GnomeCalendar *gcal, gboolean enable)
{
    BonoboUIComponent *uic;
    GtkWidget *view;
    ECalMenu *menu;
    ECalModel *model;
    GPtrArray *events;
    GList *selected, *l;
    ECalMenuTargetSelect *t;

    uic = bonobo_control_get_ui_component (control);
    g_assert (uic != NULL);

    if (bonobo_ui_component_get_container (uic) == CORBA_OBJECT_NIL)
        return;
    
    view = gnome_calendar_get_current_view_widget (gcal);

    menu = gnome_calendar_get_calendar_menu (gcal);
    model = e_calendar_view_get_model((ECalendarView *)view);
    events = g_ptr_array_new();
    selected = e_calendar_view_get_selected_events((ECalendarView *)view);
    for (l=selected;l;l=g_list_next(l)) {
        ECalendarViewEvent *event = l->data;
        if (event && event->comp_data)
            g_ptr_array_add (events, e_cal_model_copy_component_data(event->comp_data));
    }
    g_list_free(selected);

    t = e_cal_menu_target_new_select(menu, model, events);
    if (!enable)
        t->target.mask = ~0;

    sensitize_items(uic, calendar_sensitize_table, t->target.mask);
#if 0
    /* retrieve read-onlyness of the default client */
    e_cal = e_cal_model_get_default_client (gnome_calendar_get_calendar_model (gcal));
    if (e_cal)
        e_cal_is_read_only (e_cal, &default_read_only, NULL);
    else
        default_read_only = TRUE;
#endif

    e_menu_update_target((EMenu *)menu, (EMenuTarget *)t);
}

static struct _sensitize_item taskpad_sensitize_table[] = {
    { "Cut", E_CAL_MENU_SELECT_EDITABLE },
    { "Copy", E_CAL_MENU_SELECT_ANY },
    { "Paste", E_CAL_MENU_SELECT_EDITABLE },
    { "Delete", E_CAL_MENU_SELECT_EDITABLE },
    { 0 }
};

/* Sensitizes the UI Component menu/toolbar tasks commands based on the number
 * of selected tasks.  If enable is FALSE, all will be disabled.  Otherwise, the
 * currently-selected number of tasks will be used.
 */
static void
sensitize_taskpad_commands (GnomeCalendar *gcal, BonoboControl *control, gboolean enable)
{
    BonoboUIComponent *uic;
    ECalendarTable *task_pad;
    ECalModel *model;
    GSList *selected, *l;
    ECalMenu *menu;
    GPtrArray *events;
    ECalMenuTargetSelect *t;

    uic = bonobo_control_get_ui_component (control);
    g_assert (uic != NULL);

    menu = gnome_calendar_get_calendar_menu (gcal);
    task_pad = gnome_calendar_get_task_pad(gcal);
    model = e_calendar_table_get_model (task_pad);
    selected = e_calendar_table_get_selected(task_pad);
    events = g_ptr_array_new();
    for (l=selected;l;l=g_slist_next(l))
        g_ptr_array_add(events, e_cal_model_copy_component_data((ECalModelComponent *)l->data));
    g_slist_free(selected);

    t = e_cal_menu_target_new_select(menu, model, events);
    if (!enable)
        t->target.mask = ~0;

    sensitize_items(uic, taskpad_sensitize_table, t->target.mask);
}

/* Callback used when the selection in the calendar views changes */
static void
gcal_calendar_selection_changed_cb (GnomeCalendar *gcal, gpointer data)
{
    BonoboControl *control;

    control = BONOBO_CONTROL (data);

    printf("calendar selection changed\n");

    calendar_control_sensitize_calendar_commands (control, gcal, TRUE);
}

/* Callback used when the selection in the taskpad changes */
static void
gcal_taskpad_selection_changed_cb (GnomeCalendar *gcal, gpointer data)
{
    BonoboControl *control;

    control = BONOBO_CONTROL (data);

    sensitize_taskpad_commands (gcal, control, TRUE);
}

/* Callback used when the focus changes for a calendar view */
static void
gcal_calendar_focus_change_cb (GnomeCalendar *gcal, gboolean in, gpointer data)
{
    BonoboControl *control;
    FocusData *focus;

    control = BONOBO_CONTROL (data);

    focus = g_object_get_data (G_OBJECT (control), "focus_data");
    g_assert (focus != NULL);

    if (in) {
        g_signal_connect (gcal, "calendar_selection_changed",
                  G_CALLBACK (gcal_calendar_selection_changed_cb), control);
        calendar_control_sensitize_calendar_commands (control, gcal, TRUE);
        focus->calendar_focused = TRUE;
    } else if (focus->calendar_focused) {
        gtk_signal_disconnect_by_func (GTK_OBJECT (gcal),
                           G_CALLBACK (gcal_calendar_selection_changed_cb),
                           control);
        calendar_control_sensitize_calendar_commands (control, gcal, FALSE);
        focus->calendar_focused = FALSE;
    }
}

/* Callback used when the taskpad focus changes */
static void
gcal_taskpad_focus_change_cb (GnomeCalendar *gcal, gboolean in, gpointer data)
{
    BonoboControl *control;
    FocusData *focus;

    control = BONOBO_CONTROL (data);

    focus = g_object_get_data (G_OBJECT (control), "focus_data");
    g_assert (focus != NULL);

    if (in) {
        g_signal_connect (gcal, "taskpad_selection_changed",
                  G_CALLBACK (gcal_taskpad_selection_changed_cb), control);
        sensitize_taskpad_commands (gcal, control, TRUE);
        focus->taskpad_focused = TRUE;
    } else if (focus->taskpad_focused) {
        /* With Bonobo controls, we may get unpaired focus_out events.
         * That is why we have to keep track of this ourselves instead
         * of blindly assumming that we are getting this event because
         * the taskpad was in fact focused.
         */
        gtk_signal_disconnect_by_func (GTK_OBJECT (gcal),
                           G_CALLBACK (gcal_taskpad_selection_changed_cb),
                           control);
        sensitize_taskpad_commands (gcal, control, FALSE);
        focus->taskpad_focused = FALSE;
    }

}


static BonoboUIVerb verbs [] = {
    BONOBO_UI_VERB ("EventOpen", file_open_event_cb),
    BONOBO_UI_VERB ("CalendarPrint", file_print_cb),
    BONOBO_UI_VERB ("CalendarPrintPreview", file_print_preview_cb),

    BONOBO_UI_VERB ("Cut", cut_cmd),
    BONOBO_UI_VERB ("Copy", copy_cmd),
    BONOBO_UI_VERB ("Paste", paste_cmd),
    BONOBO_UI_VERB ("Delete", delete_cmd),
    BONOBO_UI_VERB ("DeleteOccurrence", delete_occurrence_cmd),
    BONOBO_UI_VERB ("DeleteAllOccurrences", delete_cmd),

    BONOBO_UI_VERB ("CalendarPrev", previous_clicked),
    BONOBO_UI_VERB ("CalendarToday", today_clicked),
    BONOBO_UI_VERB ("CalendarNext", next_clicked),
    BONOBO_UI_VERB ("CalendarGoto", goto_clicked),

    BONOBO_UI_VERB ("ShowDayView", show_day_view_clicked),
    BONOBO_UI_VERB ("ShowWorkWeekView", show_work_week_view_clicked),
    BONOBO_UI_VERB ("ShowWeekView", show_week_view_clicked),
    BONOBO_UI_VERB ("ShowMonthView", show_month_view_clicked),
    BONOBO_UI_VERB ("ShowListView", show_list_view_clicked),

    BONOBO_UI_VERB ("PublishFreeBusy", publish_freebusy_cmd),
    BONOBO_UI_VERB ("CalendarPurge", purge_cmd),

    BONOBO_UI_VERB_END
};

static EPixmap pixmaps [] =
{
    E_PIXMAP ("/Toolbar/DayView",         "stock_calendar-view-day",       E_ICON_SIZE_LARGE_TOOLBAR),
    E_PIXMAP ("/Toolbar/WorkWeekView",    "stock_calendar-view-work-week", E_ICON_SIZE_LARGE_TOOLBAR),
    E_PIXMAP ("/Toolbar/WeekView",        "stock_calendar-view-week",      E_ICON_SIZE_LARGE_TOOLBAR),
    E_PIXMAP ("/Toolbar/MonthView",       "stock_calendar-view-month",     E_ICON_SIZE_LARGE_TOOLBAR),
    E_PIXMAP ("/Toolbar/ListView",        "stock_calendar-view-list",      E_ICON_SIZE_LARGE_TOOLBAR),

    E_PIXMAP_END
};

void
calendar_control_activate (BonoboControl *control,
               GnomeCalendar *gcal)
{
    Bonobo_UIContainer remote_uih;
    BonoboUIComponent *uic;
    FocusData *focus;

    uic = bonobo_control_get_ui_component (control);
    g_assert (uic != NULL);

    remote_uih = bonobo_control_get_remote_ui_container (control, NULL);
    bonobo_ui_component_set_container (uic, remote_uih, NULL);
    bonobo_object_release_unref (remote_uih, NULL);

    gnome_calendar_set_ui_component (gcal, uic);

    bonobo_ui_component_add_verb_list_with_data (uic, verbs, gcal);

    bonobo_ui_component_freeze (uic, NULL);

    bonobo_ui_util_set_ui (uic, PREFIX,
                   EVOLUTION_UIDIR "/evolution-calendar.xml",
                   "evolution-calendar",
                   NULL);

    e_pixmaps_update (uic, pixmaps);

    gnome_calendar_setup_view_menus (gcal, uic);

    g_signal_connect (gcal, "calendar_focus_change",
              G_CALLBACK (gcal_calendar_focus_change_cb), control);
    g_signal_connect (gcal, "taskpad_focus_change",
              G_CALLBACK (gcal_taskpad_focus_change_cb), control);

    e_menu_activate((EMenu *)gnome_calendar_get_calendar_menu (gcal), uic, 1);
    e_menu_activate((EMenu *)gnome_calendar_get_taskpad_menu (gcal), uic, 1);

    calendar_control_sensitize_calendar_commands (control, gcal, TRUE);
    sensitize_taskpad_commands (gcal, control, TRUE);

    bonobo_ui_component_thaw (uic, NULL);

    focus = g_new (FocusData, 1);
    focus->calendar_focused = FALSE;
    focus->taskpad_focused = FALSE;

    g_object_set_data (G_OBJECT (control), "focus_data", focus);
}

void
calendar_control_deactivate (BonoboControl *control, GnomeCalendar *gcal)
{
    FocusData *focus;
    BonoboUIComponent *uic;

    uic = bonobo_control_get_ui_component (control);
    g_assert (uic != NULL);

    e_menu_activate((EMenu *)gnome_calendar_get_calendar_menu (gcal), uic, 0);
    e_menu_activate((EMenu *)gnome_calendar_get_taskpad_menu (gcal), uic, 0);

    gnome_calendar_set_ui_component (gcal, NULL);

    focus = g_object_get_data (G_OBJECT (control), "focus_data");
    g_assert (focus != NULL);

    g_object_set_data (G_OBJECT (control), "focus_data", NULL);
    g_free (focus);

    gnome_calendar_discard_view_menus (gcal);

    g_signal_handlers_disconnect_matched (gcal, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, control);

    bonobo_ui_component_rm (uic, "/", NULL);
    bonobo_ui_component_unset_container (uic, NULL);
}