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path: root/calendar/gui/dialogs/delete-comp.c
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/*
 * Evolution calendar - Delete calendar component 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:
 *      Federico Mena-Quintero <federico@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <glib/gi18n.h>
#include "e-util/e-alert-dialog.h"
#include "../calendar-config.h"
#include "delete-comp.h"



/**
 * delete_component_dialog:
 * @comp: A calendar component if a single component is to be deleted, or NULL
 * if more that one component is to be deleted.
 * @consider_as_untitled: If deleting more than one component, this is ignored.
 * Otherwise, whether to consider the component as not having a summary; if
 * FALSE then the component's summary string will be used.
 * @n_comps: Number of components that are to be deleted.
 * @vtype: Type of the components that are to be deleted.  This is ignored
 * if only one component is to be deleted, and the vtype is extracted from
 * the component instead.
 * @widget: A widget to use as a basis for conversion from UTF8 into font
 * encoding.
 *
 * Pops up a dialog box asking the user whether he wants to delete a number of
 * calendar components.  The dialog will not appear, however, if the
 * configuration option for confirmation is turned off.
 *
 * Return value: TRUE if the user clicked Yes, FALSE otherwise.  If the
 * configuration option for confirmation is turned off, this function will
 * unconditionally return TRUE.
 **/
gboolean
delete_component_dialog (ECalComponent *comp,
             gboolean consider_as_untitled,
             gint n_comps, ECalComponentVType vtype,
             GtkWidget *widget)
{
    const gchar *id;
    gchar *arg0 = NULL;
    gint response;
    gboolean attendees;

    if (comp) {
        g_return_val_if_fail (E_IS_CAL_COMPONENT (comp), FALSE);
        g_return_val_if_fail (n_comps == 1, FALSE);
    } else {
        g_return_val_if_fail (n_comps > 1, FALSE);
        g_return_val_if_fail (vtype != E_CAL_COMPONENT_NO_TYPE, FALSE);
    }

    g_return_val_if_fail (widget != NULL, FALSE);
    g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);

    if (!calendar_config_get_confirm_delete ())
        return TRUE;

    if (comp) {
        ECalComponentText summary;

        vtype = e_cal_component_get_vtype (comp);

        if (!consider_as_untitled) {
            e_cal_component_get_summary (comp, &summary);
            arg0 = g_strdup (summary.value);
        }

        switch (vtype) {
        case E_CAL_COMPONENT_EVENT:
                        attendees = e_cal_component_has_attendees (comp);
            if (arg0) {
                if (attendees)
                    id = "calendar:prompt-delete-titled-meeting";
                else
                    id = "calendar:prompt-delete-titled-appointment";
            } else {
                if (attendees)
                    id = "calendar:prompt-delete-meeting";
                else
                    id = "calendar:prompt-delete-appointment";
            }
            break;

        case E_CAL_COMPONENT_TODO:
            if (arg0)
                id = "calendar:prompt-delete-named-task";
            else
                id = "calendar:prompt-delete-task";
            break;

        case E_CAL_COMPONENT_JOURNAL:
            if (arg0)
                id = "calendar:prompt-delete-named-memo";
            else
                id = "calendar:prompt-delete-memo";
            break;

        default:
            g_message ("delete_component_dialog(): Cannot handle object of type %d",
                   vtype);
            g_free (arg0);
            return FALSE;
        }
    } else {
        switch (vtype) {
        case E_CAL_COMPONENT_EVENT:
            if (n_comps == 1)
                id = "calendar:prompt-delete-appointment";
            else
                id = "calendar:prompt-delete-appointments";
            break;

        case E_CAL_COMPONENT_TODO:
            if (n_comps == 1)
                id = "calendar:prompt-delete-task";
            else
                id = "calendar:prompt-delete-tasks";
            break;

        case E_CAL_COMPONENT_JOURNAL:
            if (n_comps == 1)
                id = "calendar:prompt-delete-memo";
            else
                id = "calendar:prompt-delete-memos";
            break;

        default:
            g_message ("delete_component_dialog(): Cannot handle objects of type %d",
                   vtype);
            return FALSE;
        }

        if (n_comps > 1)
            arg0 = g_strdup_printf ("%d", n_comps);
    }

    response = e_alert_run_dialog_for_args ((GtkWindow *) gtk_widget_get_toplevel (widget), id, arg0, NULL);
    g_free (arg0);

    return response == GTK_RESPONSE_YES;
}

static void
cb_toggled_cb (GtkWidget *toggle, gpointer data)
{
    gboolean active = FALSE;
    GtkWidget *entry = (GtkWidget *) data;

    active = GTK_TOGGLE_BUTTON (toggle)->active;
    gtk_widget_set_sensitive (entry, active);
}

gboolean
prompt_retract_dialog (ECalComponent *comp, gchar **retract_text, GtkWidget *parent, gboolean *retract)
{
    gchar *message = NULL;
    ECalComponentVType type = E_CAL_COMPONENT_NO_TYPE;
    GtkMessageDialog *dialog = NULL;
    GtkWidget *cb, *label, *entry, *vbox, *sw, *frame;
    gboolean ret_val = FALSE;

    type = e_cal_component_get_vtype (comp);

    switch (type) {
        case E_CAL_COMPONENT_EVENT:
            message = g_strdup_printf (_("Are you sure you want to delete this meeting?"));
            break;
        case E_CAL_COMPONENT_TODO:
            message = g_strdup_printf (_("Are you sure you want to delete this task?"));
            break;
        case E_CAL_COMPONENT_JOURNAL:
            message = g_strdup_printf (_("Are you sure you want to delete this memo?"));
            break;
        default:
            g_message ("Retract: Unsupported object type \n");
            return FALSE;
    }

    dialog = (GtkMessageDialog *) gtk_message_dialog_new_with_markup
        ((GtkWindow *) gtk_widget_get_toplevel (parent), GTK_DIALOG_MODAL,
         GTK_MESSAGE_QUESTION, GTK_BUTTONS_OK_CANCEL, "<b>%s</b>", message);
    g_free (message);

    gtk_window_set_resizable (GTK_WINDOW (dialog), TRUE);

    gtk_box_set_spacing ((GtkBox *) (GTK_DIALOG (dialog)->vbox), 12);
    vbox = GTK_WIDGET (GTK_DIALOG (dialog)->vbox);

    cb = gtk_check_button_new_with_mnemonic (_("_Delete this item from all other recipient's mailboxes?"));
    gtk_container_add (GTK_CONTAINER (vbox), cb);

    label = gtk_label_new_with_mnemonic (_("_Retract comment"));

    frame = gtk_frame_new (NULL);
    gtk_frame_set_label_widget ((GtkFrame *) frame, label);
    gtk_frame_set_label_align ((GtkFrame *) frame, 0, 0);
    gtk_container_add (GTK_CONTAINER (vbox), frame);
    gtk_frame_set_shadow_type ((GtkFrame *)frame, GTK_SHADOW_NONE);

    sw = gtk_scrolled_window_new (NULL, NULL);
    gtk_scrolled_window_set_policy ((GtkScrolledWindow *)sw, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

    entry = gtk_text_view_new ();
    gtk_scrolled_window_add_with_viewport ((GtkScrolledWindow *)sw, entry);
    gtk_label_set_mnemonic_widget ((GtkLabel *)label, entry);
    gtk_container_add (GTK_CONTAINER (frame), sw);

    g_signal_connect ((GtkToggleButton *)cb, "toggled", G_CALLBACK (cb_toggled_cb), entry);

    gtk_widget_show_all ((GtkWidget *)dialog);

    ret_val = (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK);

    if (ret_val) {
        if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (cb))) {
            GtkTextIter text_iter_start, text_iter_end;
            GtkTextBuffer *text_buffer;

            *retract = TRUE;
            text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (entry));
            gtk_text_buffer_get_start_iter (text_buffer, &text_iter_start);
            gtk_text_buffer_get_end_iter   (text_buffer, &text_iter_end);

            *retract_text = gtk_text_buffer_get_text (text_buffer, &text_iter_start,
                    &text_iter_end, FALSE);
        } else
            *retract = FALSE;
    }

    gtk_widget_destroy ((GtkWidget *) dialog);

    return ret_val;
}