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path: root/calendar/gui/dialogs/meeting-page.c
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/* Evolution calendar - Main page of the task editor dialog
 *
 * Copyright (C) 2001 Ximian, Inc.
 *
 * Authors: Federico Mena-Quintero <federico@ximian.com>
 *          Miguel de Icaza <miguel@ximian.com>
 *          Seth Alves <alves@hungry.com>
 *          JP Rosevear <jpr@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 <glib.h>
#include <gtk/gtkcombo.h>
#include <gtk/gtksignal.h>
#include <gtk/gtktogglebutton.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkwindow.h>
#include <libgnome/gnome-i18n.h>
#include <glade/glade.h>
#include <libgnomeui/gnome-stock-icons.h>
#include <gal/e-table/e-cell-combo.h>
#include <gal/e-table/e-cell-text.h>
#include <gal/e-table/e-table-simple.h>
#include <gal/e-table/e-table-scrolled.h>
#include <gal/widgets/e-unicode.h>
#include <gal/widgets/e-popup-menu.h>
#include <gal/widgets/e-gui-utils.h>
#include <widgets/misc/e-dateedit.h>
#include <e-util/e-dialog-widgets.h>

#include "../calendar-component.h"
#include "../e-meeting-attendee.h"
#include "../e-meeting-model.h"
#include "../itip-utils.h"
#include "comp-editor-util.h"
#include "e-delegate-dialog.h"
#include "meeting-page.h"



enum columns {
    MEETING_ATTENDEE_COL,
    MEETING_MEMBER_COL,
    MEETING_TYPE_COL,
    MEETING_ROLE_COL,
    MEETING_RSVP_COL,
    MEETING_DELTO_COL,
    MEETING_DELFROM_COL,
    MEETING_STATUS_COL,
    MEETING_CN_COL,
    MEETING_LANG_COL,
    MEETING_COLUMN_COUNT
};

/* Private part of the MeetingPage structure */
struct _MeetingPagePrivate {
    /* Lists of attendees */
    GPtrArray *deleted_attendees;

    /* To use in case of cancellation */
    CalComponent *comp;
    
    /* List of identities */
    EAccountList *accounts;
    GList *address_strings;
    gchar *default_address;
    
    /* Glade XML data */
    GladeXML *xml;

    /* Widgets from the Glade file */
    GtkWidget *main;
    GtkWidget *organizer_table;
    GtkWidget *organizer;
    GtkWidget *existing_organizer_table;
    GtkWidget *existing_organizer;
    GtkWidget *existing_organizer_btn;
    GtkWidget *invite;
    
    /* E Table stuff */
    EMeetingModel *model;
    ETableScrolled *etable;
    gint row;
    
    /* For handling who the organizer is */
    gboolean existing;
    
        gboolean updating;
};



static void meeting_page_class_init (MeetingPageClass *class);
static void meeting_page_init (MeetingPage *mpage);
static void meeting_page_finalize (GObject *object);

static GtkWidget *meeting_page_get_widget (CompEditorPage *page);
static void meeting_page_focus_main_widget (CompEditorPage *page);
static void meeting_page_fill_widgets (CompEditorPage *page, CalComponent *comp);
static gboolean meeting_page_fill_component (CompEditorPage *page, CalComponent *comp);

static gint right_click_cb (ETable *etable, gint row, gint col, GdkEvent *event, gpointer data);

static CompEditorPageClass *parent_class = NULL;



/**
 * meeting_page_get_type:
 * 
 * Registers the #MeetingPage class if necessary, and returns the type ID
 * associated to it.
 * 
 * Return value: The type ID of the #MeetingPage class.
 **/

E_MAKE_TYPE (meeting_page, "MeetingPage", MeetingPage, meeting_page_class_init, meeting_page_init,
         TYPE_COMP_EDITOR_PAGE);

/* Class initialization function for the task page */
static void
meeting_page_class_init (MeetingPageClass *class)
{
    CompEditorPageClass *editor_page_class;
    GObjectClass *object_class;

    editor_page_class = (CompEditorPageClass *) class;
    object_class = (GObjectClass *) class;

    parent_class = g_type_class_ref (TYPE_COMP_EDITOR_PAGE);

    editor_page_class->get_widget = meeting_page_get_widget;
    editor_page_class->focus_main_widget = meeting_page_focus_main_widget;
    editor_page_class->fill_widgets = meeting_page_fill_widgets;
    editor_page_class->fill_component = meeting_page_fill_component;
    editor_page_class->set_summary = NULL;
    editor_page_class->set_dates = NULL;

    object_class->finalize = meeting_page_finalize;
}

/* Object initialization function for the task page */
static void
meeting_page_init (MeetingPage *mpage)
{
    MeetingPagePrivate *priv;
    
    priv = g_new0 (MeetingPagePrivate, 1);
    mpage->priv = priv;
    
    priv->deleted_attendees = g_ptr_array_new ();

    priv->comp = NULL;

    priv->accounts = NULL;
    priv->address_strings = NULL;
    
    priv->xml = NULL;
    priv->main = NULL;
    priv->invite = NULL;
    
    priv->model = NULL;
    priv->etable = NULL;
    
    priv->updating = FALSE;
}

static void
set_attendees (CalComponent *comp, const GPtrArray *attendees)
{
    GSList *comp_attendees = NULL, *l;
    int i;
    
    for (i = 0; i < attendees->len; i++) {
        EMeetingAttendee *ia = g_ptr_array_index (attendees, i);
        CalComponentAttendee *ca;
        
        ca = e_meeting_attendee_as_cal_component_attendee (ia);
        
        comp_attendees = g_slist_prepend (comp_attendees, ca);
        
    }
    comp_attendees = g_slist_reverse (comp_attendees);
    cal_component_set_attendee_list (comp, comp_attendees);
    
    for (l = comp_attendees; l != NULL; l = l->next)
        g_free (l->data);   
    g_slist_free (comp_attendees);
}

static void
cleanup_attendees (GPtrArray *attendees)
{
    int i;
    
    for (i = 0; i < attendees->len; i++)
        g_object_unref((g_ptr_array_index (attendees, i)));
}

/* Destroy handler for the task page */
static void
meeting_page_finalize (GObject *object)
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;
    
    g_return_if_fail (object != NULL);
    g_return_if_fail (IS_MEETING_PAGE (object));

    mpage = MEETING_PAGE (object);
    priv = mpage->priv;

    if (priv->comp != NULL)
        g_object_unref((priv->comp));
    
    cleanup_attendees (priv->deleted_attendees);
    g_ptr_array_free (priv->deleted_attendees, FALSE);
    
    g_object_unref((priv->model));
    
    if (priv->xml) {
        g_object_unref((priv->xml));
        priv->xml = NULL;
    }

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

    if (G_OBJECT_CLASS (parent_class)->finalize)
        (* G_OBJECT_CLASS (parent_class)->finalize) (object);
}



/* get_widget handler for the task page */
static GtkWidget *
meeting_page_get_widget (CompEditorPage *page)
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;

    mpage = MEETING_PAGE (page);
    priv = mpage->priv;

    return priv->main;
}

/* focus_main_widget handler for the task page */
static void
meeting_page_focus_main_widget (CompEditorPage *page)
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;

    mpage = MEETING_PAGE (page);
    priv = mpage->priv;

    gtk_widget_grab_focus (priv->organizer);
}

/* Fills the widgets with default values */
static void
clear_widgets (MeetingPage *mpage)
{
    MeetingPagePrivate *priv;

    priv = mpage->priv;

    gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (priv->organizer)->entry), "");
    gtk_label_set_text (GTK_LABEL (priv->existing_organizer), _("None"));

    gtk_widget_show (priv->organizer_table);
    gtk_widget_hide (priv->existing_organizer_table);   

    priv->existing = FALSE;
}

/* fill_widgets handler for the meeting page */
static void
meeting_page_fill_widgets (CompEditorPage *page, CalComponent *comp)
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;
    CalComponentOrganizer organizer;
    
    mpage = MEETING_PAGE (page);
    priv = mpage->priv;

    priv->updating = TRUE;
    
    /* Clean out old data */
    if (priv->comp != NULL)
        g_object_unref((priv->comp));
    priv->comp = NULL;
    
    cleanup_attendees (priv->deleted_attendees);
    g_ptr_array_set_size (priv->deleted_attendees, 0);
    
    /* Clean the screen */
    clear_widgets (mpage);

    /* Component for cancellation */
    priv->comp = cal_component_clone (comp);
    
    /* List the user identities for default organizers */
    if (priv->address_strings)
        gtk_combo_set_popdown_strings (GTK_COMBO (priv->organizer), priv->address_strings);
    else
        g_warning ("No potential organizers!");

    /* If there is an existing organizer show it properly */
    if (cal_component_has_organizer (comp)) {
        cal_component_get_organizer (comp, &organizer);
        if (organizer.value != NULL) {
            const gchar *strip = itip_strip_mailto (organizer.value);
            gchar *string;

            gtk_widget_hide (priv->organizer_table);
            gtk_widget_show (priv->existing_organizer_table);
            if (itip_organizer_is_user (comp, page->client)) {
                gtk_widget_show (priv->invite);
                if (cal_client_get_static_capability (page->client, "organizer-not-email-address"))
                    gtk_widget_hide (priv->existing_organizer_btn);
                e_meeting_model_etable_click_to_add (priv->model, TRUE);
            } else {
                gtk_widget_hide (priv->invite);
                e_meeting_model_etable_click_to_add (priv->model, FALSE);
            }
            
            if (organizer.cn != NULL)
                string = g_strdup_printf ("%s <%s>", organizer.cn, strip);
            else
                string = g_strdup (strip);
            gtk_label_set_text (GTK_LABEL (priv->existing_organizer), string);
            g_free (string);

            priv->existing = TRUE;
        }
    } else {
        e_dialog_editable_set (GTK_COMBO (priv->organizer)->entry, priv->default_address);
    }
    
    priv->updating = FALSE;
}

/* fill_component handler for the meeting page */
static gboolean
meeting_page_fill_component (CompEditorPage *page, CalComponent *comp)
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;
    CalComponentOrganizer organizer = {NULL, NULL, NULL, NULL};

    mpage = MEETING_PAGE (page);
    priv = mpage->priv;

    if (!priv->existing) {
        gchar *addr = NULL, *cn = NULL, *sentby = NULL, *str;
        EIterator *it;

        str = e_dialog_editable_get (GTK_COMBO (priv->organizer)->entry);
        
        /* Find the identity for the organizer or sentby field */
        for (it = e_list_get_iterator((EList *)priv->accounts); e_iterator_is_valid(it); e_iterator_next(it)) {
            EAccount *a = (EAccount *)e_iterator_get(it);
            char *full = g_strdup_printf("%s <%s>", a->id->name, a->id->address);

            if (!strcmp (full, str)) {
                addr = g_strdup (a->id->address);
                cn = g_strdup (a->id->name);
                g_free(full);
                break;
            }
            g_free(full);
        }

        g_free (str);
        
        /* Sanity Check */
        if (addr == NULL || strlen (addr) == 0) {
            e_notice (NULL, GTK_MESSAGE_ERROR,
                  _("An organizer is required."));
            g_free (addr);
            g_free (cn);
            return FALSE;
        } else {
            gchar *tmp;
            
            tmp = addr;
            addr = g_strdup_printf ("MAILTO:%s", addr);
            g_free (tmp);
        }
    
        organizer.value = addr;
        organizer.cn = cn;
        organizer.sentby = sentby;
        cal_component_set_organizer (comp, &organizer);

        g_free (addr);
        g_free (cn);
        g_free (sentby);
    }

    if (e_meeting_model_count_actual_attendees (priv->model) < 1) {
        e_notice (NULL, GTK_MESSAGE_ERROR,
              _("At least one attendee is required."));
        return FALSE;
    }
    set_attendees (comp, e_meeting_model_get_attendees (priv->model));
    
    return TRUE;
}



/* Gets the widgets from the XML file and returns if they are all available. */
static gboolean
get_widgets (MeetingPage *mpage)
{
    CompEditorPage *page = COMP_EDITOR_PAGE (mpage);
    MeetingPagePrivate *priv;
    GSList *accel_groups;
    GtkWidget *toplevel;

    priv = mpage->priv;

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

    priv->main = GW ("meeting-page");
    if (!priv->main)
        return FALSE;

    /* Get the GtkAccelGroup from the toplevel window, so we can install
       it when the notebook page is mapped. */
    toplevel = gtk_widget_get_toplevel (priv->main);
    accel_groups = gtk_accel_groups_from_object (G_OBJECT (toplevel));
    if (accel_groups) {
        page->accel_group = accel_groups->data;
        gtk_accel_group_ref (page->accel_group);
    }

    gtk_widget_ref (priv->main);
    gtk_container_remove (GTK_CONTAINER (priv->main->parent), priv->main);

    /* For making the user the organizer */
    priv->organizer_table = GW ("organizer-table");
    priv->organizer = GW ("organizer");
    gtk_combo_set_value_in_list (GTK_COMBO (priv->organizer), TRUE, FALSE);
    
    /* For showing existing organizers */
    priv->existing_organizer_table = GW ("existing-organizer-table");
    priv->existing_organizer = GW ("existing-organizer");
    priv->existing_organizer_btn = GW ("existing-organizer-button");
    priv->invite = GW ("invite");
    
#undef GW

    return (priv->invite
        && priv->organizer_table
        && priv->organizer
        && priv->existing_organizer_table
        && priv->existing_organizer
        && priv->existing_organizer_btn);
}

/* This is called when any field is changed; it notifies upstream. */
static void
field_changed_cb (GtkWidget *widget, gpointer data)
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;
    
    mpage = MEETING_PAGE (data);
    priv = mpage->priv;
    
    if (!priv->updating) 
        comp_editor_page_notify_changed (COMP_EDITOR_PAGE (mpage));
}

/* Function called to change the organizer */
static void
change_clicked_cb (GtkWidget *widget, gpointer data) 
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;
    
    mpage = MEETING_PAGE (data);
    priv = mpage->priv;

    gtk_widget_show (priv->organizer_table);
    gtk_widget_hide (priv->existing_organizer_table);
    gtk_widget_show (priv->invite);
    e_meeting_model_etable_click_to_add (priv->model, TRUE);

    e_dialog_editable_set (GTK_COMBO (priv->organizer)->entry, priv->default_address);
    comp_editor_page_notify_needs_send (COMP_EDITOR_PAGE (mpage));
    
    priv->existing = FALSE;
}

/* Function called to invite more people */
static void
invite_cb (GtkWidget *widget, gpointer data) 
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;
    
    mpage = MEETING_PAGE (data);
    priv = mpage->priv;

    e_meeting_model_invite_others_dialog (priv->model);
}

/* Hooks the widget signals */
static void
init_widgets (MeetingPage *mpage)
{
    MeetingPagePrivate *priv;

    priv = mpage->priv;

    /* Organizer */
    g_signal_connect((GTK_COMBO (priv->organizer)->entry), "changed",
                G_CALLBACK (field_changed_cb), mpage);

    g_signal_connect((priv->existing_organizer_btn), "clicked",
                G_CALLBACK (change_clicked_cb), mpage);

    /* Invite button */
    g_signal_connect((priv->invite), "clicked", 
                G_CALLBACK (invite_cb), mpage);
}

static void
popup_delegate_cb (GtkWidget *widget, gpointer data) 
{
    MeetingPage *mpage = MEETING_PAGE (data);
    MeetingPagePrivate *priv;
    EDelegateDialog *edd;
    GtkWidget *dialog;
    EMeetingAttendee *ia;
    char *address = NULL, *name = NULL;
    
    priv = mpage->priv;

    ia = e_meeting_model_find_attendee_at_row (priv->model, priv->row);

    /* Show dialog. */
    edd = e_delegate_dialog_new (NULL, itip_strip_mailto (e_meeting_attendee_get_delto (ia)));
    dialog = e_delegate_dialog_get_toplevel (edd);

    if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK){
        EMeetingAttendee *ic;
        
        name = e_delegate_dialog_get_delegate_name (edd);
        address = e_delegate_dialog_get_delegate (edd);

        /* Make sure we can add the new delegatee person */
        if (e_meeting_model_find_attendee (priv->model, address, NULL) != NULL) {
            e_notice (NULL, GTK_MESSAGE_ERROR,
                  _("That person is already attending the meeting!"));
            goto cleanup;
        }
        
        /* Update information for attendee */
        if (e_meeting_attendee_is_set_delto (ia)) {
            EMeetingAttendee *ib;
            
            ib = e_meeting_model_find_attendee (priv->model, itip_strip_mailto (e_meeting_attendee_get_delto (ia)), NULL);
            if (ib != NULL) {
                g_object_ref((ib));
                g_ptr_array_add (priv->deleted_attendees, ib);
                
                e_meeting_model_remove_attendee (priv->model, ib);
            }           
        }
        e_meeting_attendee_set_delto (ia, g_strdup_printf ("MAILTO:%s", address));

        /* Construct delegatee information */
        ic = e_meeting_model_add_attendee_with_defaults (priv->model);
        
        e_meeting_attendee_set_address (ic, g_strdup_printf ("MAILTO:%s", address));
        e_meeting_attendee_set_delfrom (ic, g_strdup (e_meeting_attendee_get_address (ia)));
        e_meeting_attendee_set_cn (ic, g_strdup (name));
    }

 cleanup:
    g_free (name);
    g_free (address);
    g_object_unref((edd));
}

static void
popup_delete_cb (GtkWidget *widget, gpointer data) 
{
    MeetingPage *mpage = MEETING_PAGE (data);
    MeetingPagePrivate *priv;
    EMeetingAttendee *ia;
    int pos = 0;
    
    priv = mpage->priv;

    ia = e_meeting_model_find_attendee_at_row (priv->model, priv->row);

    /* If this was a delegatee, no longer delegate */
    if (e_meeting_attendee_is_set_delfrom (ia)) {
        EMeetingAttendee *ib;
        
        ib = e_meeting_model_find_attendee (priv->model, e_meeting_attendee_get_delfrom (ia), &pos);
        if (ib != NULL)
            e_meeting_attendee_set_delto (ib, NULL);
    }
    
    /* Handle deleting all attendees in the delegation chain */ 
    while (ia != NULL) {
        EMeetingAttendee *ib = NULL;

        g_object_ref((ia));
        g_ptr_array_add (priv->deleted_attendees, ia);
        e_meeting_model_remove_attendee (priv->model, ia);

        if (e_meeting_attendee_get_delto (ia) != NULL)
            ib = e_meeting_model_find_attendee (priv->model, e_meeting_attendee_get_delto (ia), NULL);
        ia = ib;
    }
}

enum {
    CAN_DELEGATE = 2,
    CAN_DELETE = 4
};

static EPopupMenu context_menu[] = {
    E_POPUP_ITEM (N_("_Delegate To..."), G_CALLBACK (popup_delegate_cb),  CAN_DELEGATE),

    E_POPUP_SEPARATOR,

    E_POPUP_ITEM (N_("_Delete"), G_CALLBACK (popup_delete_cb),   CAN_DELETE),
    
    E_POPUP_TERMINATOR
};

/* handle context menu over message-list */
static gint
right_click_cb (ETable *etable, gint row, gint col, GdkEvent *event, gpointer data)
{
    MeetingPage *mpage = MEETING_PAGE (data);
    MeetingPagePrivate *priv;
    GtkMenu *menu;
    EMeetingAttendee *ia;
    int disable_mask = 0, hide_mask = 0, view_row;

    priv = mpage->priv;

    view_row = e_table_model_to_view_row (etable, row);
    priv->row = e_meeting_model_etable_view_to_model_row (etable, priv->model, view_row);

    ia = e_meeting_model_find_attendee_at_row (priv->model, priv->row);
    if (e_meeting_attendee_get_edit_level (ia) != E_MEETING_ATTENDEE_EDIT_FULL)
        disable_mask = CAN_DELETE;
 
    /* FIXME: if you enable Delegate, then change index to '1'.
     * (This has now been enabled). */
    /* context_menu[1].pixmap_widget = gnome_stock_new_with_icon (GNOME_STOCK_MENU_TRASH); */
    context_menu[1].pixmap_widget =
      gtk_image_new_from_stock (GTK_STOCK_DELETE, GTK_ICON_SIZE_MENU);

    menu = e_popup_menu_create (context_menu, disable_mask, hide_mask, data);
    e_auto_kill_popup_menu_on_selection_done (menu);
    
    gtk_menu_popup (menu, NULL, NULL, NULL, NULL,
            event->button.button, event->button.time);

    return TRUE;
}



/* Callback used when the ETable gets a focus-out event.  We have to commit any
 * pending click-to-add state for if the event editor is being destroyed.
 */
static gint
table_canvas_focus_out_cb (GtkWidget *widget, GdkEventFocus *event, gpointer data)
{
    MeetingPage *mpage;
    MeetingPagePrivate *priv;
    ETable *etable;

    mpage = MEETING_PAGE (data);
    priv = mpage->priv;

    etable = e_table_scrolled_get_table (priv->etable);

    e_table_commit_click_to_add (etable);
    return TRUE;
}

/**
 * meeting_page_construct:
 * @mpage: An task details page.
 * 
 * Constructs an task page by loading its Glade data.
 * 
 * Return value: The same object as @mpage, or NULL if the widgets could not 
 * be created.
 **/
MeetingPage *
meeting_page_construct (MeetingPage *mpage, EMeetingModel *emm,
            CalClient *client)
{
    MeetingPagePrivate *priv;
    ETable *real_table;
    gchar *filename;
    const char *backend_address;
    EIterator *it;
    EAccount *def_account;

    priv = mpage->priv;

    priv->xml = glade_xml_new (EVOLUTION_GLADEDIR 
                   "/meeting-page.glade", NULL, NULL);
    if (!priv->xml) {
        g_message ("meeting_page_construct(): "
               "Could not load the Glade XML file!");
        return NULL;
    }

    if (!get_widgets (mpage)) {
        g_message ("meeting_page_construct(): "
               "Could not find all widgets in the XML file!");
        return NULL;
    }

    /* Address information */
    backend_address = cal_client_get_cal_address (client);

    priv->accounts = itip_addresses_get ();
    def_account = itip_addresses_get_default();
    for (it = e_list_get_iterator((EList *)priv->accounts);
         e_iterator_is_valid(it);
         e_iterator_next(it)) {
        EAccount *a = (EAccount *)e_iterator_get(it);
        char *full;

        full = g_strdup_printf("%s <%s>", a->id->name, a->id->address);

        priv->address_strings = g_list_append(priv->address_strings, full);

        /* Note that the address specified by the backend gets
         * precedence over the default mail address.
         */
        if (backend_address && !strcmp (backend_address, a->id->address))
            priv->default_address = full;
        else if (a == def_account && !priv->default_address)
            priv->default_address = full;
    }
    g_object_unref(it);

    /* The etable displaying attendees and their status */
    g_object_ref((emm));
    priv->model = emm;

    filename = g_strdup_printf ("%s/config/et-header-meeting-page", evolution_dir);
    priv->etable = e_meeting_model_etable_from_model (priv->model, 
                              EVOLUTION_ETSPECDIR "/meeting-page.etspec", 
                              filename);
    g_free (filename);

    real_table = e_table_scrolled_get_table (priv->etable);
    g_signal_connect((real_table),
                "right_click", G_CALLBACK (right_click_cb), mpage);

    g_signal_connect((real_table->table_canvas), "focus_out_event",
                G_CALLBACK (table_canvas_focus_out_cb), mpage);

    gtk_widget_show (GTK_WIDGET (priv->etable));
    gtk_box_pack_start (GTK_BOX (priv->main), GTK_WIDGET (priv->etable), TRUE, TRUE, 2);
    
    /* Init the widget signals */
    init_widgets (mpage);

    return mpage;
}

/**
 * meeting_page_new:
 * 
 * Creates a new task details page.
 * 
 * Return value: A newly-created task details page, or NULL if the page could
 * not be created.
 **/
MeetingPage *
meeting_page_new (EMeetingModel *emm, CalClient *client)
{
    MeetingPage *mpage;

    mpage = g_object_new (TYPE_MEETING_PAGE, NULL);
    if (!meeting_page_construct (mpage, emm, client)) {
        g_object_unref((mpage));
        return NULL;
    }

    return mpage;
}

/**
 * meeting_page_get_cancel_comp:
 * @mpage: 
 * 
 * 
 * 
 * Return value: 
 **/
CalComponent *
meeting_page_get_cancel_comp (MeetingPage *mpage)
{
    MeetingPagePrivate *priv;

    g_return_val_if_fail (mpage != NULL, NULL);
    g_return_val_if_fail (IS_MEETING_PAGE (mpage), NULL);

    priv = mpage->priv;

    if (priv->deleted_attendees->len == 0)
        return NULL;
    
    set_attendees (priv->comp, priv->deleted_attendees);
    
    return cal_component_clone (priv->comp);
}