/*
*
* Evolution calendar - Base class for calendar component editor pages
*
* 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 "comp-editor.h"
#include "comp-editor-page.h"
#define COMP_EDITOR_PAGE_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), TYPE_COMP_EDITOR_PAGE, CompEditorPagePrivate))
struct _CompEditorPagePrivate {
CompEditor *editor; /* not referenced */
gboolean updating;
};
enum {
PROP_0,
PROP_EDITOR,
PROP_UPDATING
};
enum {
DATES_CHANGED,
LAST_SIGNAL
};
static gpointer parent_class;
static guint comp_editor_page_signals[LAST_SIGNAL];
static void
comp_editor_page_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
CompEditorPagePrivate *priv;
priv = COMP_EDITOR_PAGE_GET_PRIVATE (object);
switch (property_id) {
case PROP_EDITOR:
priv->editor = g_value_get_object (value);
return;
case PROP_UPDATING:
comp_editor_page_set_updating (
COMP_EDITOR_PAGE (object),
g_value_get_boolean (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
comp_editor_page_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_EDITOR:
g_value_set_object (
value, comp_editor_page_get_editor (
COMP_EDITOR_PAGE (object)));
return;
case PROP_UPDATING:
g_value_set_boolean (
value, comp_editor_page_get_updating (
COMP_EDITOR_PAGE (object)));
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
comp_editor_page_dispose (GObject *object)
{
CompEditorPage *page;
g_return_if_fail (object != NULL);
g_return_if_fail (IS_COMP_EDITOR_PAGE (object));
page = COMP_EDITOR_PAGE (object);
if (page->accel_group) {
g_object_unref (page->accel_group);
page->accel_group = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
comp_editor_page_class_init (CompEditorPageClass *class)
{
GObjectClass *object_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (CompEditorPagePrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = comp_editor_page_set_property;
object_class->get_property = comp_editor_page_get_property;
object_class->dispose = comp_editor_page_dispose;
class->dates_changed = NULL;
class->get_widget = NULL;
class->focus_main_widget = NULL;
class->fill_widgets = NULL;
class->fill_component = NULL;
class->fill_timezones = NULL;
class->set_dates = NULL;
g_object_class_install_property (
object_class,
PROP_EDITOR,
g_param_spec_object (
"editor",
NULL,
NULL,
TYPE_COMP_EDITOR,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (
object_class,
PROP_UPDATING,
g_param_spec_boolean (
"updating",
NULL,
NULL,
FALSE,
G_PARAM_READWRITE));
comp_editor_page_signals[DATES_CHANGED] =
g_signal_new ("dates_changed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (CompEditorPageClass, dates_changed),
NULL, NULL,
g_cclosure_marshal_VOID__POINTER,
G_TYPE_NONE, 1, G_TYPE_POINTER);
}
static void
comp_editor_page_init (CompEditorPage *page)
{
page->priv = COMP_EDITOR_PAGE_GET_PRIVATE (page);
page->accel_group = NULL;
}
GType
comp_editor_page_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static const GTypeInfo type_info = {
sizeof (CompEditorPageClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) comp_editor_page_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (CompEditorPage),
0, /* n_preallocs */
(GInstanceInitFunc) comp_editor_page_init,
NULL /* value_table */
};
type = g_type_register_static (
G_TYPE_OBJECT, "CompEditorPage", &type_info, 0);
}
return type;
}
/**
* comp_editor_page_get_editor:
* @page: a #CompEditorPage
*
* Returns the #CompEditor to which @page belongs.
*
* Returns: the parent #CompEditor
**/
CompEditor *
comp_editor_page_get_editor (CompEditorPage *page)
{
g_return_val_if_fail (IS_COMP_EDITOR_PAGE (page), NULL);
return page->priv->editor;
}
/**
* comp_editor_page_get_widget:
* @page: An editor page.
*
* Queries the main widget of an editor page.
*
* Return value: The widget that is the page's upper container. It should
* normally be inserted in a notebook widget.
**/
GtkWidget *
comp_editor_page_get_widget (CompEditorPage *page)
{
CompEditorPageClass *class;
g_return_val_if_fail (IS_COMP_EDITOR_PAGE (page), NULL);
class = COMP_EDITOR_PAGE_GET_CLASS (page);
g_return_val_if_fail (class->get_widget != NULL, NULL);
return class->get_widget (page);
}
gboolean
comp_editor_page_get_updating (CompEditorPage *page)
{
g_return_val_if_fail (IS_COMP_EDITOR_PAGE (page), FALSE);
return page->priv->updating;
}
void
comp_editor_page_set_updating (CompEditorPage *page,
gboolean updating)
{
g_return_if_fail (IS_COMP_EDITOR_PAGE (page));
page->priv->updating = updating;
g_object_notify (G_OBJECT (page), "updating");
}
void
comp_editor_page_changed (CompEditorPage *page)
{
CompEditor *editor;
g_return_if_fail (IS_COMP_EDITOR_PAGE (page));
/* Block change notifications if the page is updating. This right
* here is why we have an 'updating' flag. It's up to subclasses
* to set and clear it at appropriate times. */
if (page->priv->updating)
return;
editor = comp_editor_page_get_editor (page);
comp_editor_set_changed (editor, TRUE);
}
/**
* comp_editor_page_focus_main_widget:
* @page: An editor page.
*
* Makes an editor page focus its main widget. This is used by the component
* editor when it first pops up so that it can focus the main widget in the
* first page.
**/
void
comp_editor_page_focus_main_widget (CompEditorPage *page)
{
CompEditorPageClass *class;
g_return_if_fail (IS_COMP_EDITOR_PAGE (page));
class = COMP_EDITOR_PAGE_GET_CLASS (page);
g_return_if_fail (class->focus_main_widget != NULL);
class->focus_main_widget (page);
}
/**
* comp_editor_page_fill_widgets:
* @page: An editor page.
* @comp: A calendar component.
*
* Fills the widgets of an editor page with the data from a calendar component.
**/
gboolean
comp_editor_page_fill_widgets (CompEditorPage *page,
ECalComponent *comp)
{
CompEditorPageClass *class;
gboolean success;
g_return_val_if_fail (IS_COMP_EDITOR_PAGE (page), FALSE);
g_return_val_if_fail (E_IS_CAL_COMPONENT (comp), FALSE);
class = COMP_EDITOR_PAGE_GET_CLASS (page);
g_return_val_if_fail (class->fill_widgets != NULL, FALSE);
comp_editor_page_set_updating (page, TRUE);
success = class->fill_widgets (page, comp);
comp_editor_page_set_updating (page, FALSE);
return success;
}
/**
* comp_editor_page_fill_component:
* @page: An editor page.
* @comp: A calendar component.
*
* Takes the data from the widgets of an editor page and sets it on a calendar
* component, replacing the contents of the properties that the editor page
* knows how to manipulate.
*
* Returns: TRUE if the component could be filled, FALSE otherwise
**/
gboolean
comp_editor_page_fill_component (CompEditorPage *page, ECalComponent *comp)
{
CompEditorPageClass *class;
g_return_val_if_fail (IS_COMP_EDITOR_PAGE (page), FALSE);
g_return_val_if_fail (comp != NULL, FALSE);
class = COMP_EDITOR_PAGE_GET_CLASS (page);
if (class->fill_component != NULL)
return class->fill_component (page, comp);
return TRUE;
}
/**
* comp_editor_page_fill_timezones:
* @page: An editor page.
* @timezones: Hash table to which timezones will be added.
*
* Fills the given hash table with all the timezones used by the dates in the
* specific editor page.
*
* Returns: TRUE if the timezones were added, FALSE otherwise.
*/
gboolean
comp_editor_page_fill_timezones (CompEditorPage *page, GHashTable *timezones)
{
CompEditorPageClass *class;
g_return_val_if_fail (IS_COMP_EDITOR_PAGE (page), FALSE);
g_return_val_if_fail (timezones != NULL, FALSE);
class = COMP_EDITOR_PAGE_GET_CLASS (page);
if (class->fill_timezones != NULL)
return class->fill_timezones (page, timezones);
return TRUE;
}
/**
* comp_editor_page_set_dates:
* @page: An editor page
* @dates: A collection of various dates in time_t format
*
* Sets the date values for this group of widgets
**/
void
comp_editor_page_set_dates (CompEditorPage *page, CompEditorPageDates *dates)
{
CompEditorPageClass *class;
g_return_if_fail (IS_COMP_EDITOR_PAGE (page));
class = COMP_EDITOR_PAGE_GET_CLASS (page);
if (class->set_dates != NULL)
class->set_dates (page, dates);
}
/**
* comp_editor_page_notify_dates_changed:
* @page: An editor page.
*
* Makes an editor page emit the "dates_changed" signal. This is meant to be
* used only by page implementations.
**/
void
comp_editor_page_notify_dates_changed (CompEditorPage *page,
CompEditorPageDates *dates)
{
g_return_if_fail (IS_COMP_EDITOR_PAGE (page));
g_signal_emit (page,
comp_editor_page_signals[DATES_CHANGED], 0,
dates);
}
/**
* comp_editor_page_display_validation_error:
* @page: An editor page.
* @msg: Error message to display.
* @field: Widget that caused the validation error.
*
* Displays an error message about a validation problem in the
* given field. Once the error message has been displayed, the
* focus is set to the widget that caused the validation error.
*/
void
comp_editor_page_display_validation_error (CompEditorPage *page,
const char *msg,
GtkWidget *field)
{
GtkWidget *dialog;
g_return_if_fail (IS_COMP_EDITOR_PAGE (page));
g_return_if_fail (msg != NULL);
g_return_if_fail (GTK_IS_WIDGET (field));
dialog = gtk_message_dialog_new (
NULL, 0,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
_("Validation error: %s"), msg);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
gtk_widget_grab_focus (field);
}
