/*
 * 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:
 *		Damon Chaplin <damon@ximian.com>
 *		Rodrigo Moya <rodrigo@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

/*
 * ECalendarTable - displays the ECalComponent objects in a table (an ETable).
 * Used for calendar events and tasks.
 */

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

#include <sys/stat.h>
#include <unistd.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <misc/e-gui-utils.h>
#include <table/e-cell-checkbox.h>
#include <table/e-cell-toggle.h>
#include <table/e-cell-text.h>
#include <table/e-cell-combo.h>
#include <e-util/e-dialog-utils.h>
#include <e-util/e-util-private.h>
#include <table/e-cell-date-edit.h>
#include <table/e-cell-percent.h>
#include <libecal/e-cal-time-util.h>
#include <libedataserver/e-time-utils.h>

#include "calendar-config.h"
#include "dialogs/delete-comp.h"
#include "dialogs/delete-error.h"
#include "dialogs/task-editor.h"
#include "e-cal-model-tasks.h"
#include "e-calendar-table.h"
#include "e-calendar-view.h"
#include "e-cell-date-edit-text.h"
#include "print.h"
#include <e-util/e-icon-factory.h>
#include "e-cal-popup.h"
#include "misc.h"

#define E_CALENDAR_TABLE_GET_PRIVATE(obj) \
	(G_TYPE_INSTANCE_GET_PRIVATE \
	((obj), E_TYPE_CALENDAR_TABLE, ECalendarTablePrivate))

struct _ECalendarTablePrivate {
	gpointer shell_view;  /* weak pointer */
	ECalModel *model;
};

enum {
	PROP_0,
	PROP_MODEL,
	PROP_SHELL_VIEW
};

enum {
	OPEN_COMPONENT,
	POPUP_EVENT,
	STATUS_MESSAGE,
	USER_CREATED,
	LAST_SIGNAL
};

enum {
	TARGET_TYPE_VCALENDAR
};

static GtkTargetEntry target_types[] = {
	{ "text/calendar", 0, TARGET_TYPE_VCALENDAR },
	{ "text/x-calendar", 0, TARGET_TYPE_VCALENDAR }
};

static guint n_target_types = G_N_ELEMENTS (target_types);

static struct tm e_calendar_table_get_current_time (ECellDateEdit *ecde, gpointer data);

static gpointer parent_class;
static guint signals[LAST_SIGNAL];
static GdkAtom clipboard_atom;

/* The icons to represent the task. */
#define E_CALENDAR_MODEL_NUM_ICONS	4
static const gchar * icon_names[E_CALENDAR_MODEL_NUM_ICONS] = {
	"stock_task", "stock_task-recurring", "stock_task-assigned", "stock_task-assigned-to"
};
static GdkPixbuf* icon_pixbufs[E_CALENDAR_MODEL_NUM_ICONS] = { NULL };

static void
calendar_table_emit_open_component (ECalendarTable *cal_table,
                                    ECalModelComponent *comp_data)
{
	guint signal_id = signals[OPEN_COMPONENT];

	g_signal_emit (cal_table, signal_id, 0, comp_data);
}

static void
calendar_table_emit_popup_event (ECalendarTable *cal_table,
                                 GdkEvent *event)
{
	guint signal_id = signals[POPUP_EVENT];

	g_signal_emit (cal_table, signal_id, 0, event);
}

static void
calendar_table_emit_status_message (ECalendarTable *cal_table,
                                    const gchar *message,
                                    gdouble percent)
{
	guint signal_id = signals[STATUS_MESSAGE];

	g_signal_emit (cal_table, signal_id, 0, message, percent);
}

static void
calendar_table_emit_user_created (ECalendarTable *cal_table)
{
	guint signal_id = signals[USER_CREATED];

	g_signal_emit (cal_table, signal_id, 0);
}

static gint
calendar_table_date_compare_cb (gconstpointer a,
                                gconstpointer b)
{
	ECellDateEditValue *dv1 = (ECellDateEditValue *) a;
	ECellDateEditValue *dv2 = (ECellDateEditValue *) b;
	struct icaltimetype tt;

	/* First check if either is NULL. NULL dates sort last. */
	if (!dv1 || !dv2) {
		if (dv1 == dv2)
			return 0;
		else if (dv1)
			return -1;
		else
			return 1;
	}

	/* Copy the 2nd value and convert it to the same timezone as the
	   first. */
	tt = dv2->tt;

	icaltimezone_convert_time (&tt, dv2->zone, dv1->zone);

	/* Now we can compare them. */

	return icaltime_compare (dv1->tt, tt);
}

static gint
calendar_table_percent_compare_cb (gconstpointer a,
                                   gconstpointer b)
{
	gint percent1 = GPOINTER_TO_INT (a);
	gint percent2 = GPOINTER_TO_INT (b);

	return (percent1 < percent2) ? -1 : (percent1 > percent2);
}

static gint
calendar_table_priority_compare_cb (gconstpointer a,
                                    gconstpointer b)
{
	gint priority1, priority2;

	priority1 = e_cal_util_priority_from_string ((const gchar *) a);
	priority2 = e_cal_util_priority_from_string ((const gchar *) b);

	/* We change undefined priorities so they appear after 'Low'. */
	if (priority1 <= 0)
		priority1 = 10;
	if (priority2 <= 0)
		priority2 = 10;

	/* We'll just use the ordering of the priority values. */
	return (priority1 < priority2) ? -1 : (priority1 > priority2);
}

static gint
calendar_table_status_compare_cb (gconstpointer a,
                                  gconstpointer b)
{
	const gchar *string_a = a;
	const gchar *string_b = b;
	gint status_a = -2;
	gint status_b = -2;

	if (string_a == NULL || *string_a == '\0')
		status_a = -1;
	else if (!g_utf8_collate (string_a, _("Not Started")))
		status_a = 0;
	else if (!g_utf8_collate (string_a, _("In Progress")))
		status_a = 1;
	else if (!g_utf8_collate (string_a, _("Completed")))
		status_a = 2;
	else if (!g_utf8_collate (string_a, _("Canceled")))
		status_a = 3;

	if (string_b == NULL || *string_b == '\0')
		status_b = -1;
	else if (!g_utf8_collate (string_b, _("Not Started")))
		status_b = 0;
	else if (!g_utf8_collate (string_b, _("In Progress")))
		status_b = 1;
	else if (!g_utf8_collate (string_b, _("Completed")))
		status_b = 2;
	else if (!g_utf8_collate (string_b, _("Canceled")))
		status_b = 3;

	return (status_a < status_b) ? -1 : (status_a > status_b);
}

static void
calendar_table_double_click_cb (ECalendarTable *cal_table,
                                gint row,
                                gint col,
                                GdkEvent *event)
{
	ECalModel *model;
	ECalModelComponent *comp_data;

	model = e_calendar_table_get_model (cal_table);
	comp_data = e_cal_model_get_component_at (model, row);
	calendar_table_emit_open_component (cal_table, comp_data);
}

static void
calendar_table_model_cal_view_progress_cb (ECalendarTable *cal_table,
                                           const gchar *message,
                                           gint progress,
                                           ECalSourceType type)
{
	gdouble percent = (gdouble) progress;

	calendar_table_emit_status_message (cal_table, message, percent);
}

static void
calendar_table_model_cal_view_done_cb (ECalendarTable *cal_table,
                                       ECalendarStatus status,
                                       ECalSourceType type)
{
	calendar_table_emit_status_message (cal_table, NULL, -1.0);
}

static gboolean
calendar_table_query_tooltip_cb (ECalendarTable *cal_table,
                                 gint x,
                                 gint y,
                                 gboolean keyboard_mode,
                                 GtkTooltip *tooltip)
{
	ECalModel *model;
	ECalModelComponent *comp_data;
	gint row = -1, col = -1;
	GtkWidget *box, *l, *w;
	GtkStyle *style = gtk_widget_get_default_style ();
	gchar *tmp;
	const gchar *str;
	GString *tmp2;
	gchar buff[1001];
	gboolean free_text = FALSE;
	ECalComponent *new_comp;
	ECalComponentOrganizer organizer;
	ECalComponentDateTime dtstart, dtdue;
	icalcomponent *clone;
	icaltimezone *zone, *default_zone;
	GSList *desc, *p;
	gint len;
	ETable *etable;
	ESelectionModel *esm;
	struct tm tmp_tm;

	if (keyboard_mode)
		return FALSE;

	etable = e_calendar_table_get_table (cal_table);
	e_table_get_mouse_over_cell (etable, &row, &col);
	if (row == -1 || !etable)
		return FALSE;

	/* Respect sorting option; the 'e_table_get_mouse_over_cell'
	 * returns sorted row, not the model one. */
	esm = e_table_get_selection_model (etable);
	if (esm && esm->sorter && e_sorter_needs_sorting (esm->sorter))
		row = e_sorter_sorted_to_model (esm->sorter, row);

	model = e_calendar_table_get_model (cal_table);
	comp_data = e_cal_model_get_component_at (model, row);
	if (!comp_data || !comp_data->icalcomp)
		return FALSE;

	new_comp = e_cal_component_new ();
	clone = icalcomponent_new_clone (comp_data->icalcomp);
	if (!e_cal_component_set_icalcomponent (new_comp, clone)) {
		g_object_unref (new_comp);
		return FALSE;
	}

	box = gtk_vbox_new (FALSE, 0);

	str = e_calendar_view_get_icalcomponent_summary (
		comp_data->client, comp_data->icalcomp, &free_text);
	if (!(str && *str)) {
		if (free_text)
			g_free ((gchar *)str);
		free_text = FALSE;
		str = _("* No Summary *");
	}

	l = gtk_label_new (NULL);
	tmp = g_markup_printf_escaped ("<b>%s</b>", str);
	gtk_label_set_line_wrap (GTK_LABEL (l), TRUE);
	gtk_label_set_markup (GTK_LABEL (l), tmp);
	gtk_misc_set_alignment (GTK_MISC (l), 0.0, 0.5);
	w = gtk_event_box_new ();

	gtk_widget_modify_bg (w, GTK_STATE_NORMAL, &(style->bg[GTK_STATE_SELECTED]));
	gtk_widget_modify_fg (l, GTK_STATE_NORMAL, &(style->text[GTK_STATE_SELECTED]));
	gtk_container_add (GTK_CONTAINER (w), l);
	gtk_box_pack_start (GTK_BOX (box), w, TRUE, TRUE, 0);
	g_free (tmp);

	if (free_text)
		g_free ((gchar *)str);
	free_text = FALSE;

	w = gtk_event_box_new ();
	gtk_widget_modify_bg (w, GTK_STATE_NORMAL, &(style->bg[GTK_STATE_NORMAL]));

	l = gtk_vbox_new (FALSE, 0);
	gtk_container_add (GTK_CONTAINER (w), l);
	gtk_box_pack_start (GTK_BOX (box), w, FALSE, FALSE, 0);
	w = l;

	e_cal_component_get_organizer (new_comp, &organizer);
	if (organizer.cn) {
		gchar *ptr;
		ptr = strchr( organizer.value, ':');

		if (ptr) {
			ptr++;
			/* To Translators: It will display "Organizer: NameOfTheUser <email@ofuser.com>" */
			tmp = g_strdup_printf (_("Organizer: %s <%s>"), organizer.cn, ptr);
		} else {
			/* With SunOne accounts, there may be no ':' in organiser.value */
			tmp = g_strdup_printf (_("Organizer: %s"), organizer.cn);
		}

		l = gtk_label_new (tmp);
		gtk_label_set_line_wrap (GTK_LABEL (l), FALSE);
		gtk_misc_set_alignment (GTK_MISC (l), 0.0, 0.5);
		gtk_box_pack_start (GTK_BOX (w), l, FALSE, FALSE, 0);
		g_free (tmp);
	}

	e_cal_component_get_dtstart (new_comp, &dtstart);
	e_cal_component_get_due (new_comp, &dtdue);

	default_zone = e_cal_model_get_timezone (model);

	if (dtstart.tzid) {
		zone = icalcomponent_get_timezone (e_cal_component_get_icalcomponent (new_comp), dtstart.tzid);
		if (!zone)
			e_cal_get_timezone (
				comp_data->client, dtstart.tzid, &zone, NULL);
		if (!zone)
			zone = default_zone;
	} else {
		zone = NULL;
	}

	tmp2 = g_string_new ("");

	if (dtstart.value) {
		buff[0] = 0;

		tmp_tm = icaltimetype_to_tm_with_zone (
			dtstart.value, zone, default_zone);
		e_time_format_date_and_time (
			&tmp_tm, calendar_config_get_24_hour_format (),
			FALSE, FALSE, buff, 1000);

		if (buff [0]) {
			g_string_append (tmp2, _("Start: "));
			g_string_append (tmp2, buff);
		}
	}

	if (dtdue.value) {
		buff[0] = 0;

		tmp_tm = icaltimetype_to_tm_with_zone (
			dtdue.value, zone, default_zone);
		e_time_format_date_and_time (
			&tmp_tm, calendar_config_get_24_hour_format (),
			FALSE, FALSE, buff, 1000);

		if (buff [0]) {
			if (tmp2->len)
				g_string_append (tmp2, "; ");

			g_string_append (tmp2, _("Due: "));
			g_string_append (tmp2, buff);
		}
	}

	if (tmp2->len) {
		l = gtk_label_new (tmp2->str);
		gtk_misc_set_alignment (GTK_MISC (l), 0.0, 0.5);
		gtk_box_pack_start (GTK_BOX (w), l, FALSE, FALSE, 0);
	}

	g_string_free (tmp2, TRUE);

	e_cal_component_free_datetime (&dtstart);
	e_cal_component_free_datetime (&dtdue);

	tmp = e_calendar_view_get_attendees_status_info (
		new_comp, comp_data->client);
	if (tmp) {
		l = gtk_label_new (tmp);
		gtk_misc_set_alignment (GTK_MISC (l), 0.0, 0.5);
		gtk_box_pack_start (GTK_BOX (w), l, FALSE, FALSE, 0);

		g_free (tmp);
		tmp = NULL;
	}

	tmp2 = g_string_new ("");
	e_cal_component_get_description_list (new_comp, &desc);
	for (len = 0, p = desc; p != NULL; p = p->next) {
		ECalComponentText *text = p->data;

		if (text->value != NULL) {
			len += strlen (text->value);
			g_string_append (tmp2, text->value);
			if (len > 1024) {
				g_string_set_size (tmp2, 1020);
				g_string_append (tmp2, "...");
				break;
			}
		}
	}
	e_cal_component_free_text_list (desc);

	if (tmp2->len) {
		l = gtk_label_new (tmp2->str);
		gtk_label_set_line_wrap (GTK_LABEL (l), TRUE);
		gtk_misc_set_alignment (GTK_MISC (l), 0.0, 0.5);
		gtk_box_pack_start (GTK_BOX (box), l, FALSE, FALSE, 0);
	}

	g_string_free (tmp2, TRUE);

	gtk_widget_show_all (box);
	gtk_tooltip_set_custom (tooltip, box);

	g_object_unref (new_comp);

	return TRUE;
}

static gboolean
calendar_table_popup_menu_cb (ECalendarTable *cal_table)
{
	calendar_table_emit_popup_event (cal_table, NULL);

	return TRUE;
}

static gint
calendar_table_right_click_cb (ECalendarTable *cal_table,
                               gint row,
                               gint col,
                               GdkEvent *event)
{
	calendar_table_emit_popup_event (cal_table, event);

	return TRUE;
}

static void
calendar_table_set_model (ECalendarTable *cal_table,
                          ECalModel *model)
{
	g_return_if_fail (cal_table->priv->model == NULL);

	cal_table->priv->model = g_object_ref (model);

	g_signal_connect_swapped (
		model, "row_appended",
		G_CALLBACK (calendar_table_emit_user_created), cal_table);

	g_signal_connect_swapped (
		model, "cal-view-progress",
		G_CALLBACK (calendar_table_model_cal_view_progress_cb),
		cal_table);

	g_signal_connect_swapped (
		model, "cal-view-done",
		G_CALLBACK (calendar_table_model_cal_view_done_cb),
		cal_table);
}

static void
calendar_table_set_shell_view (ECalendarTable *cal_table,
                               EShellView *shell_view)
{
	g_return_if_fail (cal_table->priv->shell_view == NULL);

	cal_table->priv->shell_view = shell_view;

	g_object_add_weak_pointer (
		G_OBJECT (shell_view),
		&cal_table->priv->shell_view);
}

static void
calendar_table_set_property (GObject *object,
                             guint property_id,
                             const GValue *value,
                             GParamSpec *pspec)
{
	switch (property_id) {
		case PROP_MODEL:
			calendar_table_set_model (
				E_CALENDAR_TABLE (object),
				g_value_get_object (value));
			return;

		case PROP_SHELL_VIEW:
			calendar_table_set_shell_view (
				E_CALENDAR_TABLE (object),
				g_value_get_object (value));
			return;
	}

	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
calendar_table_get_property (GObject *object,
                             guint property_id,
                             GValue *value,
                             GParamSpec *pspec)
{
	switch (property_id) {
		case PROP_MODEL:
			g_value_set_object (
				value, e_calendar_table_get_model (
				E_CALENDAR_TABLE (object)));
			return;

		case PROP_SHELL_VIEW:
			g_value_set_object (
				value, e_calendar_table_get_shell_view (
				E_CALENDAR_TABLE (object)));
			return;
	}

	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
calendar_table_dispose (GObject *object)
{
	ECalendarTablePrivate *priv;

	priv = E_CALENDAR_TABLE_GET_PRIVATE (object);

	if (priv->shell_view != NULL) {
		g_object_remove_weak_pointer (
			G_OBJECT (priv->shell_view), &priv->shell_view);
		priv->shell_view = NULL;
	}

	if (priv->model != NULL) {
		g_object_unref (priv->model);
		priv->model = NULL;
	}

	/* Chain up to parent's dispose() method. */
	G_OBJECT_CLASS (parent_class)->dispose (object);
}

static void
calendar_table_constructed (GObject *object)
{
	ECalendarTable *cal_table;
	GtkWidget *widget;
	ECalModel *model;
	ETable *table;
	ECell *cell, *popup_cell;
	ETableExtras *extras;
	gint i;
	GdkPixbuf *pixbuf;
	GList *strings;
	AtkObject *a11y;
	gchar *etspecfile;

	cal_table = E_CALENDAR_TABLE (object);
	model = e_calendar_table_get_model (cal_table);

	/* Create the header columns */

	extras = e_table_extras_new ();

	/*
	 * Normal string fields.
	 */
	cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
	g_object_set (cell,
		      "strikeout_column", E_CAL_MODEL_TASKS_FIELD_STRIKEOUT,
		      "bold_column", E_CAL_MODEL_TASKS_FIELD_OVERDUE,
		      "bg_color_column", E_CAL_MODEL_FIELD_COLOR,
		      NULL);

	e_table_extras_add_cell (extras, "calstring", cell);

	/*
	 * Date fields.
	 */
	cell = e_cell_date_edit_text_new (NULL, GTK_JUSTIFY_LEFT);
	g_object_set (cell,
		      "strikeout_column", E_CAL_MODEL_TASKS_FIELD_STRIKEOUT,
		      "bold_column", E_CAL_MODEL_TASKS_FIELD_OVERDUE,
		      "bg_color_column", E_CAL_MODEL_FIELD_COLOR,
		      NULL);

	popup_cell = e_cell_date_edit_new ();
	e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell);
	g_object_unref (cell);

	e_table_extras_add_cell (extras, "dateedit", popup_cell);
	cal_table->dates_cell = E_CELL_DATE_EDIT (popup_cell);

	e_cell_date_edit_set_get_time_callback (
		E_CELL_DATE_EDIT (popup_cell),
		e_calendar_table_get_current_time, cal_table, NULL);

	/*
	 * Combo fields.
	 */

	/* Classification field. */
	cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
	g_object_set (cell,
		      "strikeout_column", E_CAL_MODEL_TASKS_FIELD_STRIKEOUT,
		      "bold_column", E_CAL_MODEL_TASKS_FIELD_OVERDUE,
		      "bg_color_column", E_CAL_MODEL_FIELD_COLOR,
		      "editable", FALSE,
		      NULL);

	popup_cell = e_cell_combo_new ();
	e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell);
	g_object_unref (cell);

	strings = NULL;
	strings = g_list_append (strings, (gchar *) _("Public"));
	strings = g_list_append (strings, (gchar *) _("Private"));
	strings = g_list_append (strings, (gchar *) _("Confidential"));
	e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell),
					  strings);

	e_table_extras_add_cell (extras, "classification", popup_cell);

	/* Priority field. */
	cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
	g_object_set (G_OBJECT (cell),
		      "strikeout_column", E_CAL_MODEL_TASKS_FIELD_STRIKEOUT,
		      "bold_column", E_CAL_MODEL_TASKS_FIELD_OVERDUE,
		      "bg_color_column", E_CAL_MODEL_FIELD_COLOR,
		      "editable", FALSE,
		      NULL);

	popup_cell = e_cell_combo_new ();
	e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell);
	g_object_unref (cell);

	strings = NULL;
	strings = g_list_append (strings, (gchar *) _("High"));
	strings = g_list_append (strings, (gchar *) _("Normal"));
	strings = g_list_append (strings, (gchar *) _("Low"));
	strings = g_list_append (strings, (gchar *) _("Undefined"));
	e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell),
					  strings);

	e_table_extras_add_cell (extras, "priority", popup_cell);

	/* Percent field. */
	cell = e_cell_percent_new (NULL, GTK_JUSTIFY_LEFT);
	g_object_set (G_OBJECT (cell),
		      "strikeout_column", E_CAL_MODEL_TASKS_FIELD_STRIKEOUT,
		      "bold_column", E_CAL_MODEL_TASKS_FIELD_OVERDUE,
		      "bg_color_column", E_CAL_MODEL_FIELD_COLOR,
		      NULL);

	popup_cell = e_cell_combo_new ();
	e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell);
	g_object_unref (cell);

	strings = NULL;
	strings = g_list_append (strings, (gchar *) _("0%"));
	strings = g_list_append (strings, (gchar *) _("10%"));
	strings = g_list_append (strings, (gchar *) _("20%"));
	strings = g_list_append (strings, (gchar *) _("30%"));
	strings = g_list_append (strings, (gchar *) _("40%"));
	strings = g_list_append (strings, (gchar *) _("50%"));
	strings = g_list_append (strings, (gchar *) _("60%"));
	strings = g_list_append (strings, (gchar *) _("70%"));
	strings = g_list_append (strings, (gchar *) _("80%"));
	strings = g_list_append (strings, (gchar *) _("90%"));
	strings = g_list_append (strings, (gchar *) _("100%"));
	e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell),
					  strings);

	e_table_extras_add_cell (extras, "percent", popup_cell);

	/* Transparency field. */
	cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
	g_object_set (G_OBJECT (cell),
		      "strikeout_column", E_CAL_MODEL_TASKS_FIELD_STRIKEOUT,
		      "bold_column", E_CAL_MODEL_TASKS_FIELD_OVERDUE,
		      "bg_color_column", E_CAL_MODEL_FIELD_COLOR,
		      "editable", FALSE,
		      NULL);

	popup_cell = e_cell_combo_new ();
	e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell);
	g_object_unref (cell);

	strings = NULL;
	strings = g_list_append (strings, (gchar *) _("Free"));
	strings = g_list_append (strings, (gchar *) _("Busy"));
	e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell),
					  strings);

	e_table_extras_add_cell (extras, "transparency", popup_cell);

	/* Status field. */
	cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
	g_object_set (G_OBJECT (cell),
		      "strikeout_column", E_CAL_MODEL_TASKS_FIELD_STRIKEOUT,
		      "bold_column", E_CAL_MODEL_TASKS_FIELD_OVERDUE,
		      "bg_color_column", E_CAL_MODEL_FIELD_COLOR,
		      "editable", FALSE,
		      NULL);

	popup_cell = e_cell_combo_new ();
	e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell);
	g_object_unref (cell);

	strings = NULL;
	strings = g_list_append (strings, (gchar *) _("Not Started"));
	strings = g_list_append (strings, (gchar *) _("In Progress"));
	strings = g_list_append (strings, (gchar *) _("Completed"));
	strings = g_list_append (strings, (gchar *) _("Canceled"));
	e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell),
					  strings);

	e_table_extras_add_cell (extras, "calstatus", popup_cell);

	e_table_extras_add_compare (extras, "date-compare",
				    calendar_table_date_compare_cb);
	e_table_extras_add_compare (extras, "percent-compare",
				    calendar_table_percent_compare_cb);
	e_table_extras_add_compare (extras, "priority-compare",
				    calendar_table_priority_compare_cb);
	e_table_extras_add_compare (extras, "status-compare",
				    calendar_table_status_compare_cb);

	/* Create pixmaps */

	if (!icon_pixbufs[0])
		for (i = 0; i < E_CALENDAR_MODEL_NUM_ICONS; i++) {
			icon_pixbufs[i] = e_icon_factory_get_icon (icon_names[i], GTK_ICON_SIZE_MENU);
		}

	cell = e_cell_toggle_new (0, E_CALENDAR_MODEL_NUM_ICONS, icon_pixbufs);
	e_table_extras_add_cell(extras, "icon", cell);
	e_table_extras_add_pixbuf(extras, "icon", icon_pixbufs[0]);

	pixbuf = e_icon_factory_get_icon ("stock_check-filled", GTK_ICON_SIZE_MENU);
	e_table_extras_add_pixbuf(extras, "complete", pixbuf);
	g_object_unref(pixbuf);

	/* Create the table */

	etspecfile = g_build_filename (
		EVOLUTION_ETSPECDIR, "e-calendar-table.etspec", NULL);
	widget = e_table_scrolled_new_from_spec_file (
		E_TABLE_MODEL (model), extras, etspecfile, NULL);
	gtk_table_attach (
		GTK_TABLE (cal_table), widget, 0, 1, 0, 1,
		GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
	cal_table->etable = widget;
	gtk_widget_show (widget);
	g_free (etspecfile);

	table = e_table_scrolled_get_table (E_TABLE_SCROLLED (widget));
	g_signal_connect_swapped (
		table, "double-click",
		G_CALLBACK (calendar_table_double_click_cb), cal_table);
	g_signal_connect_swapped (
		table, "query-tooltip",
		G_CALLBACK (calendar_table_query_tooltip_cb), cal_table);
	g_signal_connect_swapped (
		table, "popup-menu",
		G_CALLBACK (calendar_table_popup_menu_cb), cal_table);
	g_signal_connect_swapped (
		table, "right-click",
		G_CALLBACK (calendar_table_right_click_cb), cal_table);
	gtk_widget_set_has_tooltip (GTK_WIDGET (table), TRUE);

	a11y = gtk_widget_get_accessible (GTK_WIDGET (table));
	if (a11y)
		atk_object_set_name (a11y, _("Tasks"));
}

static void
calendar_table_class_init (ECalendarTableClass *class)
{
	GObjectClass *object_class;

	parent_class = g_type_class_peek_parent (class);
	g_type_class_add_private (class, sizeof (ECalendarTablePrivate));

	object_class = G_OBJECT_CLASS (class);
	object_class->set_property = calendar_table_set_property;
	object_class->get_property = calendar_table_get_property;
	object_class->dispose = calendar_table_dispose;
	object_class->constructed = calendar_table_constructed;

	g_object_class_install_property (
		object_class,
		PROP_MODEL,
		g_param_spec_object (
			"model",
			_("Model"),
			NULL,
			E_TYPE_CAL_MODEL,
			G_PARAM_READWRITE |
			G_PARAM_CONSTRUCT_ONLY));

	g_object_class_install_property (
		object_class,
		PROP_SHELL_VIEW,
		g_param_spec_object (
			"shell-view",
			_("Shell View"),
			NULL,
			E_TYPE_SHELL_VIEW,
			G_PARAM_READWRITE |
			G_PARAM_CONSTRUCT_ONLY));

	signals[OPEN_COMPONENT] = g_signal_new (
		"open-component",
		G_TYPE_FROM_CLASS (class),
		G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
		G_STRUCT_OFFSET (ECalendarTableClass, open_component),
		NULL, NULL,
		g_cclosure_marshal_VOID__OBJECT,
		G_TYPE_NONE, 1,
		E_TYPE_CAL_MODEL_COMPONENT);

	signals[POPUP_EVENT] = g_signal_new (
		"popup-event",
		G_TYPE_FROM_CLASS (class),
		G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
		G_STRUCT_OFFSET (ECalendarTableClass, popup_event),
		NULL, NULL,
		g_cclosure_marshal_VOID__BOXED,
		G_TYPE_NONE, 1,
		GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);

	signals[STATUS_MESSAGE] = g_signal_new (
		"status-message",
		G_TYPE_FROM_CLASS (class),
		G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
		G_STRUCT_OFFSET (ECalendarTableClass, status_message),
		NULL, NULL,
		g_cclosure_marshal_VOID__STRING,
		G_TYPE_NONE, 1,
		G_TYPE_STRING);

	signals[USER_CREATED] = g_signal_new (
		"user-created",
		G_TYPE_FROM_CLASS (class),
		G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
		G_STRUCT_OFFSET (ECalendarTableClass, user_created),
		NULL, NULL,
		g_cclosure_marshal_VOID__VOID,
		G_TYPE_NONE, 0);

	clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE);
}

static void
calendar_table_init (ECalendarTable *cal_table)
{
	cal_table->priv = E_CALENDAR_TABLE_GET_PRIVATE (cal_table);
}

GType
e_calendar_table_get_type (void)
{
	static GType type = 0;

	if (G_UNLIKELY (type == 0)) {
		static const GTypeInfo type_info = {
			sizeof (ECalendarTableClass),
			(GBaseInitFunc) NULL,
			(GBaseFinalizeFunc) NULL,
			(GClassInitFunc) calendar_table_class_init,
			(GClassFinalizeFunc) NULL,
			NULL,  /* class_data */
			sizeof (ECalendarTable),
			0,     /* n_preallocs */
			(GInstanceInitFunc) calendar_table_init,
			NULL   /* value_table */
		};

		type = g_type_register_static (
			GTK_TYPE_TABLE, "ECalendarTable", &type_info, 0);
	}

	return type;
}

/**
 * e_calendar_table_new:
 * @shell_view: an #EShellView
 * @model: an #ECalModel for the table
 *
 * Returns a new #ECalendarTable.
 *
 * Returns: a new #ECalendarTable
 **/
GtkWidget *
e_calendar_table_new (EShellView *shell_view,
                      ECalModel *model)
{
	g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);
	g_return_val_if_fail (E_IS_CAL_MODEL (model), NULL);

	return g_object_new (
		E_TYPE_CALENDAR_TABLE,
		"model", model, "shell-view", shell_view, NULL);
}

EShellView *
e_calendar_table_get_shell_view (ECalendarTable *cal_table)
{
	g_return_val_if_fail (E_IS_CALENDAR_TABLE (cal_table), NULL);

	return cal_table->priv->shell_view;
}

/**
 * e_calendar_table_get_model:
 * @cal_table: A calendar table.
 *
 * Queries the calendar data model that a calendar table is using.
 *
 * Return value: A calendar model.
 **/
ECalModel *
e_calendar_table_get_model (ECalendarTable *cal_table)
{
	g_return_val_if_fail (E_IS_CALENDAR_TABLE (cal_table), NULL);

	return cal_table->priv->model;
}

/**
 * e_calendar_table_get_table:
 * @cal_table: A calendar table.
 *
 * Queries the #ETable widget that the calendar table is using.
 *
 * Return value: The #ETable widget that the calendar table uses to display its
 * data.
 **/
ETable *
e_calendar_table_get_table (ECalendarTable *cal_table)
{
	ETableScrolled *table_scrolled;

	g_return_val_if_fail (E_IS_CALENDAR_TABLE (cal_table), NULL);

	table_scrolled = E_TABLE_SCROLLED (cal_table->etable);

	return e_table_scrolled_get_table (table_scrolled);
}

/* Used from e_table_selected_row_foreach(); puts the selected row number in an
 * gint pointed to by the closure data.
 */
static void
get_selected_row_cb (gint model_row, gpointer data)
{
	gint *row;

	row = data;
	*row = model_row;
}

/*
 * Returns the component that is selected in the table; only works if there is
 * one and only one selected row.
 */
static ECalModelComponent *
get_selected_comp (ECalendarTable *cal_table)
{
	ECalModel *model;
	ETable *etable;
	gint row;

	model = e_calendar_table_get_model (cal_table);
	etable = e_calendar_table_get_table (cal_table);
	if (e_table_selected_count (etable) != 1)
		return NULL;

	row = -1;
	e_table_selected_row_foreach (etable,
				      get_selected_row_cb,
				      &row);
	g_return_val_if_fail (row != -1, NULL);

	return e_cal_model_get_component_at (model, row);
}

struct get_selected_uids_closure {
	ECalendarTable *cal_table;
	GSList *objects;
};

/* Used from e_table_selected_row_foreach(), builds a list of the selected UIDs */
static void
add_uid_cb (gint model_row, gpointer data)
{
	struct get_selected_uids_closure *closure = data;
	ECalModelComponent *comp_data;
	ECalModel *model;

	model = e_calendar_table_get_model (closure->cal_table);
	comp_data = e_cal_model_get_component_at (model, model_row);

	closure->objects = g_slist_prepend (closure->objects, comp_data);
}

/* Deletes all of the selected components in the table */
static void
delete_selected_components (ECalendarTable *cal_table)
{
	GSList *objs, *l;
	const gchar *status_message;

	objs = e_calendar_table_get_selected (cal_table);

	status_message = _("Deleting selected objects");
	calendar_table_emit_status_message (cal_table, status_message, -1.0);

	for (l = objs; l; l = l->next) {
		ECalModelComponent *comp_data = (ECalModelComponent *) l->data;
		GError *error = NULL;

		e_cal_remove_object (comp_data->client,
				     icalcomponent_get_uid (comp_data->icalcomp), &error);
		delete_error_dialog (error, E_CAL_COMPONENT_TODO);
		g_clear_error (&error);
	}

	calendar_table_emit_status_message (cal_table, NULL, -1.0);

	g_slist_free (objs);
}
static void
add_retract_data (ECalComponent *comp, const gchar *retract_comment)
{
	icalcomponent *icalcomp = NULL;
	icalproperty *icalprop = NULL;

	icalcomp = e_cal_component_get_icalcomponent (comp);
	if (retract_comment && *retract_comment)
		icalprop = icalproperty_new_x (retract_comment);
	else
		icalprop = icalproperty_new_x ("0");
	icalproperty_set_x_name (icalprop, "X-EVOLUTION-RETRACT-COMMENT");
	icalcomponent_add_property (icalcomp, icalprop);
}

static gboolean
check_for_retract (ECalComponent *comp, ECal *client)
{
	ECalComponentOrganizer org;
	gchar *email = NULL;
	const gchar *strip = NULL;
	gboolean ret_val = FALSE;

	if (!(e_cal_component_has_attendees (comp) &&
				e_cal_get_save_schedules (client)))
		return ret_val;

	e_cal_component_get_organizer (comp, &org);
	strip = itip_strip_mailto (org.value);

	if (e_cal_get_cal_address (client, &email, NULL) && !g_ascii_strcasecmp (email, strip)) {
		ret_val = TRUE;
	}

	g_free (email);
	return ret_val;
}

/**
 * e_calendar_table_delete_selected:
 * @cal_table: A calendar table.
 *
 * Deletes the selected components in the table; asks the user first.
 **/
void
e_calendar_table_delete_selected (ECalendarTable *cal_table)
{
	ETable *etable;
	gint n_selected;
	ECalModelComponent *comp_data;
	ECalComponent *comp = NULL;
	gboolean  delete = FALSE;
	GError *error = NULL;

	g_return_if_fail (cal_table != NULL);
	g_return_if_fail (E_IS_CALENDAR_TABLE (cal_table));

	etable = e_calendar_table_get_table (cal_table);

	n_selected = e_table_selected_count (etable);
	if (n_selected <= 0)
		return;

	if (n_selected == 1)
		comp_data = get_selected_comp (cal_table);
	else
		comp_data = NULL;

	/* FIXME: this may be something other than a TODO component */

	if (comp_data) {
		comp = e_cal_component_new ();
		e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (comp_data->icalcomp));
	}

	if ((n_selected == 1) && comp && check_for_retract (comp, comp_data->client)) {
		gchar *retract_comment = NULL;
		gboolean retract = FALSE;

		delete = prompt_retract_dialog (comp, &retract_comment, GTK_WIDGET (cal_table), &retract);
		if (retract) {
			GList *users = NULL;
			icalcomponent *icalcomp = NULL, *mod_comp = NULL;

			add_retract_data (comp, retract_comment);
			icalcomp = e_cal_component_get_icalcomponent (comp);
			icalcomponent_set_method (icalcomp, ICAL_METHOD_CANCEL);
			if (!e_cal_send_objects (comp_data->client, icalcomp, &users,
						&mod_comp, &error))	{
				delete_error_dialog (error, E_CAL_COMPONENT_TODO);
				g_clear_error (&error);
				error = NULL;
			} else {

				if (mod_comp)
					icalcomponent_free (mod_comp);

				if (users) {
					g_list_foreach (users, (GFunc) g_free, NULL);
					g_list_free (users);
				}
			}

		}
	} else {
		delete = delete_component_dialog (comp, FALSE, n_selected, E_CAL_COMPONENT_TODO, GTK_WIDGET (cal_table));
	}

	if (delete)
		delete_selected_components (cal_table);

	/* free memory */
	if (comp)
		g_object_unref (comp);
}

/**
 * e_calendar_table_get_selected:
 * @cal_table:
 *
 * Get the currently selected ECalModelComponent's on the table.
 *
 * Return value: A GSList of the components, which should be
 * g_slist_free'd when finished with.
 **/
GSList *
e_calendar_table_get_selected (ECalendarTable *cal_table)
{
	struct get_selected_uids_closure closure;
	ETable *etable;

	closure.cal_table = cal_table;
	closure.objects = NULL;

	etable = e_calendar_table_get_table (cal_table);
	e_table_selected_row_foreach (etable, add_uid_cb, &closure);

	return closure.objects;
}

/**
 * e_calendar_table_cut_clipboard:
 * @cal_table: A calendar table.
 *
 * Cuts selected tasks in the given calendar table
 */
void
e_calendar_table_cut_clipboard (ECalendarTable *cal_table)
{
	g_return_if_fail (E_IS_CALENDAR_TABLE (cal_table));

	e_calendar_table_copy_clipboard (cal_table);
	delete_selected_components (cal_table);
}

static void
clipboard_get_calendar_cb (GtkClipboard *clipboard,
			   GtkSelectionData *selection_data,
			   guint info,
			   gpointer data)
{
	gchar *comp_str = (gchar *) data;

	switch (info) {
	case TARGET_TYPE_VCALENDAR:
		gtk_selection_data_set (selection_data,
					gdk_atom_intern (target_types[info].target, FALSE), 8,
					(const guchar *) comp_str,
					(gint) strlen (comp_str));
		break;
	default:
		break;
	}
}

/* callback for e_table_selected_row_foreach */
static void
copy_row_cb (gint model_row, gpointer data)
{
	ECalendarTable *cal_table;
	ECalModelComponent *comp_data;
	ECalModel *model;
	gchar *comp_str;
	icalcomponent *child;

	cal_table = E_CALENDAR_TABLE (data);

	g_return_if_fail (cal_table->tmp_vcal != NULL);

	model = e_calendar_table_get_model (cal_table);
	comp_data = e_cal_model_get_component_at (model, model_row);
	if (!comp_data)
		return;

	/* add timezones to the VCALENDAR component */
	e_cal_util_add_timezones_from_component (cal_table->tmp_vcal, comp_data->icalcomp);

	/* add the new component to the VCALENDAR component */
	comp_str = icalcomponent_as_ical_string_r (comp_data->icalcomp);
	child = icalparser_parse_string (comp_str);
	if (child) {
		icalcomponent_add_component (cal_table->tmp_vcal,
					     icalcomponent_new_clone (child));
		icalcomponent_free (child);
	}
	g_free (comp_str);
}

/**
 * e_calendar_table_copy_clipboard:
 * @cal_table: A calendar table.
 *
 * Copies selected tasks into the clipboard
 */
void
e_calendar_table_copy_clipboard (ECalendarTable *cal_table)
{
	ETable *etable;
	GtkClipboard *clipboard;
	gchar *comp_str;

	g_return_if_fail (E_IS_CALENDAR_TABLE (cal_table));

	/* create temporary VCALENDAR object */
	cal_table->tmp_vcal = e_cal_util_new_top_level ();

	etable = e_calendar_table_get_table (cal_table);
	e_table_selected_row_foreach (etable, copy_row_cb, cal_table);
	comp_str = icalcomponent_as_ical_string_r (cal_table->tmp_vcal);
	clipboard = gtk_widget_get_clipboard (GTK_WIDGET (cal_table), clipboard_atom);
	if (!gtk_clipboard_set_with_data(clipboard, target_types, n_target_types,
					 clipboard_get_calendar_cb,
					 NULL, comp_str)) {
		/* no-op */
	} else {
		gtk_clipboard_set_can_store (clipboard, target_types + 1, n_target_types - 1);
	}

	/* free memory */
	icalcomponent_free (cal_table->tmp_vcal);
	g_free (comp_str);
	cal_table->tmp_vcal = NULL;
}

static void
clipboard_get_calendar_data (ECalendarTable *cal_table, const gchar *text)
{
	icalcomponent *icalcomp;
	gchar *uid;
	ECalComponent *comp;
	ECalModel *model;
	ECal *client;
	icalcomponent_kind kind;
	const gchar *status_message;

	g_return_if_fail (E_IS_CALENDAR_TABLE (cal_table));

	if (!text || !*text)
		return;

	icalcomp = icalparser_parse_string (text);
	if (!icalcomp)
		return;

	/* check the type of the component */
	kind = icalcomponent_isa (icalcomp);
	if (kind != ICAL_VCALENDAR_COMPONENT &&
	    kind != ICAL_VEVENT_COMPONENT &&
	    kind != ICAL_VTODO_COMPONENT &&
	    kind != ICAL_VJOURNAL_COMPONENT) {
		return;
	}

	model = e_calendar_table_get_model (cal_table);
	client = e_cal_model_get_default_client (model);

	status_message = _("Updating objects");
	calendar_table_emit_status_message (cal_table, status_message, -1.0);

	if (kind == ICAL_VCALENDAR_COMPONENT) {
		icalcomponent_kind child_kind;
		icalcomponent *subcomp;
		icalcomponent *vcal_comp;

		vcal_comp = icalcomp;
		subcomp = icalcomponent_get_first_component (
			vcal_comp, ICAL_ANY_COMPONENT);
		while (subcomp) {
			child_kind = icalcomponent_isa (subcomp);
			if (child_kind == ICAL_VEVENT_COMPONENT ||
			    child_kind == ICAL_VTODO_COMPONENT ||
			    child_kind == ICAL_VJOURNAL_COMPONENT) {
				ECalComponent *tmp_comp;

				uid = e_cal_component_gen_uid ();
				tmp_comp = e_cal_component_new ();
				e_cal_component_set_icalcomponent (
					tmp_comp, icalcomponent_new_clone (subcomp));
				e_cal_component_set_uid (tmp_comp, uid);
				free (uid);

				/* FIXME should we convert start/due/complete times? */
				/* FIXME Error handling */
				e_cal_create_object (client, e_cal_component_get_icalcomponent (tmp_comp), NULL, NULL);

				g_object_unref (tmp_comp);
			}
			subcomp = icalcomponent_get_next_component (
				vcal_comp, ICAL_ANY_COMPONENT);
		}
	} else {
		comp = e_cal_component_new ();
		e_cal_component_set_icalcomponent (comp, icalcomp);
		uid = e_cal_component_gen_uid ();
		e_cal_component_set_uid (comp, (const gchar *) uid);
		free (uid);

		e_cal_create_object (client, e_cal_component_get_icalcomponent (comp), NULL, NULL);

		g_object_unref (comp);
	}

	calendar_table_emit_status_message (cal_table, NULL, -1.0);
}

static void
clipboard_paste_received_cb (GtkClipboard *clipboard,
			     GtkSelectionData *selection_data,
			     gpointer data)
{
	ECalendarTable *cal_table = E_CALENDAR_TABLE (data);
	ETable *e_table = e_calendar_table_get_table (cal_table);
	GnomeCanvas *canvas = e_table->table_canvas;
	GnomeCanvasItem *item = GNOME_CANVAS (canvas)->focused_item;

	if (gtk_clipboard_wait_is_text_available (clipboard) &&
	    GTK_WIDGET_HAS_FOCUS (canvas) &&
	    E_IS_TABLE_ITEM (item) &&
	    E_TABLE_ITEM (item)->editing_col >= 0 &&
	    E_TABLE_ITEM (item)->editing_row >= 0) {
		ETableItem *eti = E_TABLE_ITEM (item);
		ECellView *cell_view = eti->cell_views[eti->editing_col];
		e_cell_text_paste_clipboard (cell_view, eti->editing_col, eti->editing_row);
	} else {
		GdkAtom type = selection_data->type;
		if (type == gdk_atom_intern (target_types[TARGET_TYPE_VCALENDAR].target, TRUE)) {
			gchar *result = NULL;
			result = g_strndup ((const gchar *) selection_data->data,
					    selection_data->length);
			clipboard_get_calendar_data (cal_table, result);
			g_free (result);
		}
	}
	g_object_unref (cal_table);
}

/**
 * e_calendar_table_paste_clipboard:
 * @cal_table: A calendar table.
 *
 * Pastes tasks currently in the clipboard into the given calendar table
 */
void
e_calendar_table_paste_clipboard (ECalendarTable *cal_table)
{
	GtkClipboard *clipboard;

	g_return_if_fail (E_IS_CALENDAR_TABLE (cal_table));

	clipboard = gtk_widget_get_clipboard (
		GTK_WIDGET (cal_table), clipboard_atom);

	gtk_clipboard_request_contents (
		clipboard, gdk_atom_intern (target_types[0].target, FALSE),
		clipboard_paste_received_cb, g_object_ref (cal_table));
}

static void
hide_completed_rows (ECalModel *model, GList *clients_list, gchar *hide_sexp, GPtrArray *comp_objects)
{
	GList *l, *m, *objects;
	ECal *client;
	gint pos;

	for (l = clients_list; l != NULL; l = l->next) {
		client = l->data;

		if (!e_cal_get_object_list (client, hide_sexp, &objects, NULL)) {
			g_warning (G_STRLOC ": Could not get the objects");

			continue;
		}

		for (m = objects; m; m = m->next) {
			ECalModelComponent *comp_data;
			ECalComponentId *id;
			ECalComponent *comp = e_cal_component_new ();

			e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (m->data));
			id = e_cal_component_get_id (comp);

			if ((comp_data =  e_cal_model_get_component_for_uid (model, id))) {
				e_table_model_pre_change (E_TABLE_MODEL (model));
				pos = get_position_in_array (comp_objects, comp_data);
				e_table_model_row_deleted (E_TABLE_MODEL (model), pos);

				if (g_ptr_array_remove (comp_objects, comp_data))
					e_cal_model_free_component_data (comp_data);
			}
			e_cal_component_free_id (id);
			g_object_unref (comp);
		}

		g_list_foreach (objects, (GFunc) icalcomponent_free, NULL);
		g_list_free (objects);

		/* to notify about changes, because in call of row_deleted there are still all events */
		e_table_model_changed (E_TABLE_MODEL (model));
	}
}

static void
show_completed_rows (ECalModel *model, GList *clients_list, gchar *show_sexp, GPtrArray *comp_objects)
{
	GList *l, *m, *objects;
	ECal *client;

	for (l = clients_list; l != NULL; l = l->next) {
		client = l->data;

		if (!e_cal_get_object_list (client, show_sexp, &objects, NULL)) {
			g_warning (G_STRLOC ": Could not get the objects");

			continue;
		}

		for (m = objects; m; m = m->next) {
			ECalModelComponent *comp_data;
			ECalComponentId *id;
			ECalComponent *comp = e_cal_component_new ();

			e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (m->data));
			id = e_cal_component_get_id (comp);

			if (!(e_cal_model_get_component_for_uid (model, id))) {
				e_table_model_pre_change (E_TABLE_MODEL (model));
				comp_data = g_new0 (ECalModelComponent, 1);
				comp_data->client = g_object_ref (client);
				comp_data->icalcomp = icalcomponent_new_clone (m->data);
				e_cal_model_set_instance_times (comp_data,
						e_cal_model_get_timezone (model));
				comp_data->dtstart = comp_data->dtend = comp_data->due = comp_data->completed = NULL;
				comp_data->color = NULL;

				g_ptr_array_add (comp_objects, comp_data);
				e_table_model_row_inserted (E_TABLE_MODEL (model), comp_objects->len - 1);
			}
			e_cal_component_free_id (id);
			g_object_unref (comp);
		}
	}
}

/* Loads the state of the table (headers shown etc.) from the given file. */
void
e_calendar_table_load_state (ECalendarTable *cal_table,
                             const gchar *filename)
{
	ETable *table;

	g_return_if_fail (E_IS_CALENDAR_TABLE (cal_table));
	g_return_if_fail (filename != NULL);

	table = e_calendar_table_get_table (cal_table);
	e_table_load_state (table, filename);
}

/* Saves the state of the table (headers shown etc.) to the given file. */
void
e_calendar_table_save_state (ECalendarTable *cal_table,
                             const gchar *filename)
{
	ETable *table;

	g_return_if_fail (E_IS_CALENDAR_TABLE (cal_table));
	g_return_if_fail (filename != NULL);

	table = e_calendar_table_get_table (cal_table);
	e_table_save_state (table, filename);
}

/* Returns the current time, for the ECellDateEdit items.
   FIXME: Should probably use the timezone of the item rather than the
   current timezone, though that may be difficult to get from here. */
static struct tm
e_calendar_table_get_current_time (ECellDateEdit *ecde, gpointer data)
{
	icaltimezone *zone;
	struct tm tmp_tm = { 0 };
	struct icaltimetype tt;

	/* Get the current timezone. */
	zone = calendar_config_get_icaltimezone ();

	tt = icaltime_from_timet_with_zone (time (NULL), FALSE, zone);

	/* Now copy it to the struct tm and return it. */
	tmp_tm.tm_year  = tt.year - 1900;
	tmp_tm.tm_mon   = tt.month - 1;
	tmp_tm.tm_mday  = tt.day;
	tmp_tm.tm_hour  = tt.hour;
	tmp_tm.tm_min   = tt.minute;
	tmp_tm.tm_sec   = tt.second;
	tmp_tm.tm_isdst = -1;

	return tmp_tm;
}

/**
 * e_calendar_table_hide_completed_tasks:
 * @table: A calendar table model.
 * @client_list: Clients List
 *
 * Hide completed tasks.
 */
void
e_calendar_table_process_completed_tasks (ECalendarTable *table, GList *clients_list, gboolean config_changed)
{
	ECalModel *model;
	static GMutex *mutex = NULL;
	gchar *hide_sexp, *show_sexp;
	GPtrArray *comp_objects = NULL;

	if (!mutex)
		mutex = g_mutex_new ();

	g_mutex_lock (mutex);

	model = e_calendar_table_get_model (table);
	comp_objects = e_cal_model_get_object_array (model);

	hide_sexp = calendar_config_get_hide_completed_tasks_sexp (TRUE);
	show_sexp = calendar_config_get_hide_completed_tasks_sexp (FALSE);

	/* If hide option is unchecked */
	if (!(hide_sexp && show_sexp))
		show_sexp = g_strdup ("(is-completed?)");

	/* Delete rows from model*/
	if (hide_sexp) {
		hide_completed_rows (model, clients_list, hide_sexp, comp_objects);
	}

	/* Insert rows into model */
	if (config_changed) {
		show_completed_rows (model, clients_list, show_sexp, comp_objects);
	}

	g_free (hide_sexp);
	g_free (show_sexp);
	g_mutex_unlock (mutex);
}