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-rw-r--r--calendar/gui/ea-week-view.c321
1 files changed, 321 insertions, 0 deletions
diff --git a/calendar/gui/ea-week-view.c b/calendar/gui/ea-week-view.c
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+++ b/calendar/gui/ea-week-view.c
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+/*
+ * 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:
+ * Bolian Yin <bolian.yin@sun.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#include "ea-week-view.h"
+#include "ea-cal-view-event.h"
+#include "ea-calendar-helpers.h"
+#include "ea-gnome-calendar.h"
+#include "calendar-commands.h"
+#include <text/e-text.h>
+#include <glib/gi18n.h>
+
+static void ea_week_view_class_init (EaWeekViewClass *klass);
+
+static G_CONST_RETURN gchar * ea_week_view_get_name (AtkObject *accessible);
+static G_CONST_RETURN gchar * ea_week_view_get_description (AtkObject *accessible);
+static gint ea_week_view_get_n_children (AtkObject *obj);
+static AtkObject* ea_week_view_ref_child (AtkObject *obj,
+ gint i);
+
+static gpointer parent_class = NULL;
+
+GType
+ea_week_view_get_type (void)
+{
+ static GType type = 0;
+ AtkObjectFactory *factory;
+ GTypeQuery query;
+ GType derived_atk_type;
+
+ if (!type) {
+ static GTypeInfo tinfo = {
+ sizeof (EaWeekViewClass),
+ (GBaseInitFunc) NULL, /* base init */
+ (GBaseFinalizeFunc) NULL, /* base finalize */
+ (GClassInitFunc) ea_week_view_class_init, /* class init */
+ (GClassFinalizeFunc) NULL, /* class finalize */
+ NULL, /* class data */
+ sizeof (EaWeekView), /* instance size */
+ 0, /* nb preallocs */
+ (GInstanceInitFunc) NULL, /* instance init */
+ NULL /* value table */
+ };
+
+ /*
+ * Figure out the size of the class and instance
+ * we are run-time deriving from (EaCalView, in this case)
+ *
+ * Note: we must still use run-time deriving here, because
+ * our parent class EaCalView is run-time deriving.
+ */
+
+ factory = atk_registry_get_factory (atk_get_default_registry (),
+ e_calendar_view_get_type());
+ derived_atk_type = atk_object_factory_get_accessible_type (factory);
+ g_type_query (derived_atk_type, &query);
+
+ tinfo.class_size = query.class_size;
+ tinfo.instance_size = query.instance_size;
+
+ type = g_type_register_static (derived_atk_type,
+ "EaWeekView", &tinfo, 0);
+
+ }
+
+ return type;
+}
+
+static void
+ea_week_view_class_init (EaWeekViewClass *klass)
+{
+ AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ class->get_name = ea_week_view_get_name;
+ class->get_description = ea_week_view_get_description;
+
+ class->get_n_children = ea_week_view_get_n_children;
+ class->ref_child = ea_week_view_ref_child;
+}
+
+AtkObject*
+ea_week_view_new (GtkWidget *widget)
+{
+ GObject *object;
+ AtkObject *accessible;
+
+ g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
+
+ object = g_object_new (EA_TYPE_WEEK_VIEW, NULL);
+
+ accessible = ATK_OBJECT (object);
+ atk_object_initialize (accessible, widget);
+
+#ifdef ACC_DEBUG
+ printf ("EvoAcc: ea_week_view created %p\n", (gpointer)accessible);
+#endif
+
+ return accessible;
+}
+
+static G_CONST_RETURN gchar *
+ea_week_view_get_name (AtkObject *accessible)
+{
+ EWeekView *week_view;
+ GnomeCalendar *gcal;
+ const gchar *label_text;
+ GnomeCalendarViewType view_type;
+ gint n_events;
+ gchar *event_str, *name_str;
+
+ g_return_val_if_fail (EA_IS_WEEK_VIEW (accessible), NULL);
+
+ if (!GTK_ACCESSIBLE (accessible)->widget)
+ return NULL;
+
+ week_view = E_WEEK_VIEW (GTK_ACCESSIBLE (accessible)->widget);
+ gcal = e_calendar_view_get_calendar (E_CALENDAR_VIEW (week_view));
+ if (!GTK_WIDGET_VISIBLE (GTK_WIDGET (gcal)))
+ return NULL;
+
+ label_text = ea_gnome_calendar_get_label_description (gcal);
+
+ n_events = atk_object_get_n_accessible_children (accessible);
+ /* the child main item is always there */
+ --n_events;
+ if (n_events >= 1)
+ event_str = g_strdup_printf (ngettext ("It has %d event.", "It has %d events.", n_events), n_events);
+ else
+ event_str = g_strdup (_("It has no events."));
+
+ view_type = gnome_calendar_get_view (gcal);
+
+ if (view_type == GNOME_CAL_MONTH_VIEW)
+ name_str = g_strdup_printf (_("Month View: %s. %s"),
+ label_text, event_str);
+
+ else
+ name_str = g_strdup_printf (_("Week View: %s. %s"),
+ label_text, event_str);
+
+ ATK_OBJECT_CLASS (parent_class)->set_name (accessible, name_str);
+ g_free (name_str);
+ g_free (event_str);
+
+ return accessible->name;
+}
+
+static G_CONST_RETURN gchar *
+ea_week_view_get_description (AtkObject *accessible)
+{
+ EWeekView *week_view;
+
+ g_return_val_if_fail (EA_IS_WEEK_VIEW (accessible), NULL);
+
+ if (!GTK_ACCESSIBLE (accessible)->widget)
+ return NULL;
+ week_view = E_WEEK_VIEW (GTK_ACCESSIBLE (accessible)->widget);
+
+ if (accessible->description)
+ return accessible->description;
+ else {
+ GnomeCalendar *gcal;
+ GnomeCalendarViewType view_type;
+
+ gcal = e_calendar_view_get_calendar (E_CALENDAR_VIEW (week_view));
+ view_type = gnome_calendar_get_view (gcal);
+
+ if (view_type == GNOME_CAL_MONTH_VIEW)
+ return _("calendar view for a month");
+ else
+ return _("calendar view for one or more weeks");
+ }
+}
+
+static gint
+ea_week_view_get_n_children (AtkObject *accessible)
+{
+ EWeekView *week_view;
+ gint i, count = 0;
+ gint event_index;
+
+ g_return_val_if_fail (EA_IS_WEEK_VIEW (accessible), -1);
+
+ if (!GTK_ACCESSIBLE (accessible)->widget)
+ return -1;
+ week_view = E_WEEK_VIEW (GTK_ACCESSIBLE (accessible)->widget);
+
+ for (event_index = 0; event_index < week_view->events->len;
+ ++event_index) {
+ EWeekViewEvent *event;
+ EWeekViewEventSpan *span;
+
+ /* If week_view->spans == NULL, there is no visible events. */
+ if (!week_view->spans)
+ break;
+
+ event = &g_array_index (week_view->events,
+ EWeekViewEvent, event_index);
+ if (!event)
+ continue;
+ span = &g_array_index (week_view->spans, EWeekViewEventSpan,
+ event->spans_index + 0);
+
+ if (!span)
+ continue;
+
+ /* at least one of the event spans is visible, count it */
+ if (span->text_item)
+ ++count;
+ }
+
+ /* add the number of visible jump buttons */
+ for (i = 0; i < E_WEEK_VIEW_MAX_WEEKS * 7; i++) {
+ if (week_view->jump_buttons[i]->object.flags & GNOME_CANVAS_ITEM_VISIBLE)
+ ++count;
+ }
+
+ /* "+1" for the main item */
+ count++;
+
+#ifdef ACC_DEBUG
+ printf("AccDebug: week view %p has %d children\n", (gpointer)week_view, count);
+#endif
+ return count;
+}
+
+static AtkObject *
+ea_week_view_ref_child (AtkObject *accessible, gint index)
+{
+ EWeekView *week_view;
+ gint child_num, max_count;
+ AtkObject *atk_object = NULL;
+ gint event_index;
+ gint jump_button = -1;
+ gint span_num = 0;
+ gint count = 0;
+
+ g_return_val_if_fail (EA_IS_WEEK_VIEW (accessible), NULL);
+
+ child_num = atk_object_get_n_accessible_children (accessible);
+ if (child_num <= 0 || index < 0 || index >= child_num)
+ return NULL;
+
+ if (!GTK_ACCESSIBLE (accessible)->widget)
+ return NULL;
+ week_view = E_WEEK_VIEW (GTK_ACCESSIBLE (accessible)->widget);
+ max_count = week_view->events->len;
+
+ if (index == 0) {
+ /* index == 0 is the main item */
+ atk_object = atk_gobject_accessible_for_object (G_OBJECT (week_view->main_canvas_item));
+ g_object_ref (atk_object);
+ } else
+ for (event_index = 0; event_index < max_count; ++event_index) {
+ EWeekViewEvent *event;
+ EWeekViewEventSpan *span;
+ gint current_day;
+
+ event = &g_array_index (week_view->events,
+ EWeekViewEvent, event_index);
+ if (!event)
+ continue;
+
+ span = &g_array_index (week_view->spans, EWeekViewEventSpan,
+ event->spans_index + span_num);
+
+ if (!span)
+ continue;
+
+ current_day = span->start_day;
+ if (span->text_item)
+ ++count;
+ else if (current_day != jump_button) {
+ /* we should go to the jump button */
+ jump_button = current_day;
+ ++count;
+ }
+ else
+ continue;
+
+ if (count == index) {
+ if (span->text_item) {
+ /* Not use atk_gobject_accessible_for_object for event
+ * text_item we need to do special thing here
+ */
+ atk_object = ea_calendar_helpers_get_accessible_for (span->text_item);
+ }
+ else {
+ atk_object = ea_calendar_helpers_get_accessible_for (week_view->jump_buttons[current_day == -1 ? 0 : current_day]);
+ }
+ g_object_ref (atk_object);
+ break;
+ }
+ }
+
+#ifdef ACC_DEBUG
+ printf ("EvoAcc: ea_week_view_ref_child [%d]=%p\n",
+ index, (gpointer)atk_object);
+#endif
+ return atk_object;
+}