Rename ECalendarTable to ETaskTable.

Since ECalendarTable was only used for tasks anyway, and ETaskTable
pairs nicely with EMemoTable.

1 files changed, 1674 insertions, 0 deletions

diff --git a/calendar/gui/e-task-table.c b/calendar/gui/e-task-table.c
new file mode 100644
index 0000000000..77e50c6ae6
--- /dev/null
+++ b/calendar/gui/e-task-table.c
@@ -0,0 +1,1674 @@
+/*
+ * 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)
+ *
+ */
+
+/*
+ * ETaskTable - displays the ECalComponent objects in a table (an ETable).
+ */
+
+#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 <misc/e-selectable.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 <table/e-cell-date.h>
+#include <e-util/e-binding.h>
+#include <e-util/e-selection.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-task-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 "misc.h"
+
+#define E_TASK_TABLE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_TASK_TABLE, ETaskTablePrivate))
+
+struct _ETaskTablePrivate {
+	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
+};
+
+static struct tm e_task_table_get_current_time (ECellDateEdit *ecde, gpointer data);
+
+static gpointer parent_class;
+static guint signals[LAST_SIGNAL];
+
+/* The icons to represent the task. */
+#define NUM_ICONS 4
+static const gchar *icon_names[NUM_ICONS] = {
+	"stock_task",
+	"stock_task-recurring",
+	"stock_task-assigned",
+	"stock_task-assigned-to"
+};
+static GdkPixbuf *icon_pixbufs[NUM_ICONS] = { NULL };
+
+static void
+task_table_emit_open_component (ETaskTable *task_table,
+                                ECalModelComponent *comp_data)
+{
+	guint signal_id = signals[OPEN_COMPONENT];
+
+	g_signal_emit (task_table, signal_id, 0, comp_data);
+}
+
+static void
+task_table_emit_popup_event (ETaskTable *task_table,
+                             GdkEvent *event)
+{
+	guint signal_id = signals[POPUP_EVENT];
+
+	g_signal_emit (task_table, signal_id, 0, event);
+}
+
+static void
+task_table_emit_status_message (ETaskTable *task_table,
+                                const gchar *message,
+                                gdouble percent)
+{
+	guint signal_id = signals[STATUS_MESSAGE];
+
+	g_signal_emit (task_table, signal_id, 0, message, percent);
+}
+
+static void
+task_table_emit_user_created (ETaskTable *task_table)
+{
+	guint signal_id = signals[USER_CREATED];
+
+	g_signal_emit (task_table, signal_id, 0);
+}
+
+static gint
+task_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
+task_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
+task_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
+task_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
+task_table_model_cal_view_progress_cb (ETaskTable *task_table,
+                                       const gchar *message,
+                                       gint progress,
+                                       ECalSourceType type)
+{
+	gdouble percent = (gdouble) progress;
+
+	task_table_emit_status_message (task_table, message, percent);
+}
+
+static void
+task_table_model_cal_view_done_cb (ETaskTable *task_table,
+                                   ECalendarStatus status,
+                                   ECalSourceType type)
+{
+	task_table_emit_status_message (task_table, NULL, -1.0);
+}
+
+/* Deletes all of the selected components in the table */
+static void
+delete_selected_components (ETaskTable *task_table)
+{
+	GSList *objs, *l;
+	const gchar *status_message;
+
+	objs = e_task_table_get_selected (task_table);
+
+	status_message = _("Deleting selected objects");
+	task_table_emit_status_message (task_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);
+	}
+
+	task_table_emit_status_message (task_table, NULL, -1.0);
+
+	g_slist_free (objs);
+}
+static void
+task_table_set_model (ETaskTable *task_table,
+                      ECalModel *model)
+{
+	g_return_if_fail (task_table->priv->model == NULL);
+
+	task_table->priv->model = g_object_ref (model);
+
+	g_signal_connect_swapped (
+		model, "row_appended",
+		G_CALLBACK (task_table_emit_user_created), task_table);
+
+	g_signal_connect_swapped (
+		model, "cal-view-progress",
+		G_CALLBACK (task_table_model_cal_view_progress_cb),
+		task_table);
+
+	g_signal_connect_swapped (
+		model, "cal-view-done",
+		G_CALLBACK (task_table_model_cal_view_done_cb),
+		task_table);
+}
+
+static void
+task_table_set_shell_view (ETaskTable *task_table,
+                           EShellView *shell_view)
+{
+	g_return_if_fail (task_table->priv->shell_view == NULL);
+
+	task_table->priv->shell_view = shell_view;
+
+	g_object_add_weak_pointer (
+		G_OBJECT (shell_view),
+		&task_table->priv->shell_view);
+}
+
+static void
+task_table_set_property (GObject *object,
+                         guint property_id,
+                         const GValue *value,
+                         GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_MODEL:
+			task_table_set_model (
+				E_TASK_TABLE (object),
+				g_value_get_object (value));
+			return;
+
+		case PROP_SHELL_VIEW:
+			task_table_set_shell_view (
+				E_TASK_TABLE (object),
+				g_value_get_object (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+task_table_get_property (GObject *object,
+                         guint property_id,
+                         GValue *value,
+                         GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_MODEL:
+			g_value_set_object (
+				value, e_task_table_get_model (
+				E_TASK_TABLE (object)));
+			return;
+
+		case PROP_SHELL_VIEW:
+			g_value_set_object (
+				value, e_task_table_get_shell_view (
+				E_TASK_TABLE (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+task_table_dispose (GObject *object)
+{
+	ETaskTablePrivate *priv;
+
+	priv = E_TASK_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
+task_table_constructed (GObject *object)
+{
+	ETaskTable *task_table;
+	ECalModel *model;
+	ECell *cell, *popup_cell;
+	ETableExtras *extras;
+	gint i;
+	GdkPixbuf *pixbuf;
+	GList *strings;
+	AtkObject *a11y;
+	gchar *etspecfile;
+
+	task_table = E_TASK_TABLE (object);
+	model = e_task_table_get_model (task_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);
+
+	e_mutual_binding_new (
+		model, "timezone",
+		cell, "timezone");
+
+	e_mutual_binding_new (
+		model, "use-24-hour-format",
+		cell, "use-24-hour-format");
+
+	popup_cell = e_cell_date_edit_new ();
+	e_cell_popup_set_child (E_CELL_POPUP (popup_cell), cell);
+	g_object_unref (cell);
+
+	e_mutual_binding_new (
+		model, "use-24-hour-format",
+		popup_cell, "use-24-hour-format");
+
+	e_table_extras_add_cell (extras, "dateedit", popup_cell);
+	task_table->dates_cell = E_CELL_DATE_EDIT (popup_cell);
+
+	e_cell_date_edit_set_get_time_callback (
+		E_CELL_DATE_EDIT (popup_cell),
+		e_task_table_get_current_time, task_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",
+				    task_table_date_compare_cb);
+	e_table_extras_add_compare (extras, "percent-compare",
+				    task_table_percent_compare_cb);
+	e_table_extras_add_compare (extras, "priority-compare",
+				    task_table_priority_compare_cb);
+	e_table_extras_add_compare (extras, "status-compare",
+				    task_table_status_compare_cb);
+
+	/* Create pixmaps */
+
+	if (!icon_pixbufs[0])
+		for (i = 0; i < NUM_ICONS; i++) {
+			icon_pixbufs[i] = e_icon_factory_get_icon (icon_names[i], GTK_ICON_SIZE_MENU);
+		}
+
+	cell = e_cell_toggle_new (0, 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);
+
+	/* set proper format component for a default 'date' cell renderer */
+	cell = e_table_extras_get_cell (extras, "date");
+	e_cell_date_set_format_component (E_CELL_DATE (cell), "calendar");
+
+	/* Create the table */
+
+	etspecfile = g_build_filename (
+		EVOLUTION_ETSPECDIR, "e-calendar-table.etspec", NULL);
+	e_table_construct_from_spec_file (
+		E_TABLE (task_table), E_TABLE_MODEL (model),
+		extras, etspecfile, NULL);
+	g_free (etspecfile);
+
+	gtk_widget_set_has_tooltip (GTK_WIDGET (task_table), TRUE);
+
+	a11y = gtk_widget_get_accessible (GTK_WIDGET (task_table));
+	if (a11y)
+		atk_object_set_name (a11y, _("Tasks"));
+}
+
+static gboolean
+task_table_popup_menu (GtkWidget *widget)
+{
+	ETaskTable *task_table;
+
+	task_table = E_TASK_TABLE (widget);
+	task_table_emit_popup_event (task_table, NULL);
+
+	return TRUE;
+}
+
+static gboolean
+task_table_query_tooltip (GtkWidget *widget,
+                              gint x,
+                              gint y,
+                              gboolean keyboard_mode,
+                              GtkTooltip *tooltip)
+{
+	ETaskTable *task_table;
+	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;
+	gboolean use_24_hour_format;
+	ECalComponent *new_comp;
+	ECalComponentOrganizer organizer;
+	ECalComponentDateTime dtstart, dtdue;
+	icalcomponent *clone;
+	icaltimezone *zone, *default_zone;
+	GSList *desc, *p;
+	gint len;
+	ESelectionModel *esm;
+	struct tm tmp_tm;
+
+	if (keyboard_mode)
+		return FALSE;
+
+	task_table = E_TASK_TABLE (widget);
+
+	e_table_get_mouse_over_cell (E_TABLE (task_table), &row, &col);
+	if (row == -1)
+		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 (E_TABLE (task_table));
+	if (esm && esm->sorter && e_sorter_needs_sorting (esm->sorter))
+		row = e_sorter_sorted_to_model (esm->sorter, row);
+
+	model = e_task_table_get_model (task_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);
+	use_24_hour_format = e_cal_model_get_use_24_hour_format (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, use_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, use_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 void
+task_table_double_click (ETable *table,
+                         gint row,
+                         gint col,
+                         GdkEvent *event)
+{
+	ETaskTable *task_table;
+	ECalModel *model;
+	ECalModelComponent *comp_data;
+
+	task_table = E_TASK_TABLE (table);
+	model = e_task_table_get_model (task_table);
+	comp_data = e_cal_model_get_component_at (model, row);
+	task_table_emit_open_component (task_table, comp_data);
+}
+
+static gint
+task_table_right_click (ETable *table,
+                        gint row,
+                        gint col,
+                        GdkEvent *event)
+{
+	ETaskTable *task_table;
+
+	task_table = E_TASK_TABLE (table);
+	task_table_emit_popup_event (task_table, event);
+
+	return TRUE;
+}
+
+static void
+task_table_update_actions (ESelectable *selectable,
+                           EFocusTracker *focus_tracker,
+                           GdkAtom *clipboard_targets,
+                           gint n_clipboard_targets)
+{
+	ETaskTable *task_table;
+	GtkAction *action;
+	GSList *list, *iter;
+	gboolean sources_are_editable = TRUE;
+	gboolean clipboard_has_calendar;
+	gboolean sensitive;
+	const gchar *tooltip;
+	gint n_selected;
+
+	task_table = E_TASK_TABLE (selectable);
+	n_selected = e_table_selected_count (E_TABLE (task_table));
+
+	list = e_task_table_get_selected (task_table);
+	for (iter = list; iter != NULL; iter = iter->next) {
+		ECalModelComponent *comp_data = iter->data;
+		gboolean read_only;
+
+		e_cal_is_read_only (comp_data->client, &read_only, NULL);
+		sources_are_editable &= !read_only;
+	}
+	g_slist_free (list);
+
+	clipboard_has_calendar = (clipboard_targets != NULL) &&
+		e_targets_include_calendar (
+		clipboard_targets, n_clipboard_targets);
+
+	action = e_focus_tracker_get_cut_clipboard_action (focus_tracker);
+	sensitive = (n_selected > 0) && sources_are_editable;
+	tooltip = _("Cut selected tasks to the clipboard");
+	gtk_action_set_sensitive (action, sensitive);
+	gtk_action_set_tooltip (action, tooltip);
+
+	action = e_focus_tracker_get_copy_clipboard_action (focus_tracker);
+	sensitive = (n_selected > 0);
+	tooltip = _("Copy selected tasks to the clipboard");
+	gtk_action_set_sensitive (action, sensitive);
+	gtk_action_set_tooltip (action, tooltip);
+
+	action = e_focus_tracker_get_paste_clipboard_action (focus_tracker);
+	sensitive = sources_are_editable && clipboard_has_calendar;
+	tooltip = _("Paste tasks from the clipboard");
+	gtk_action_set_sensitive (action, sensitive);
+	gtk_action_set_tooltip (action, tooltip);
+
+	action = e_focus_tracker_get_select_all_action (focus_tracker);
+	sensitive = TRUE;
+	tooltip = _("Select all visible tasks");
+	gtk_action_set_sensitive (action, sensitive);
+	gtk_action_set_tooltip (action, tooltip);
+}
+
+static void
+task_table_cut_clipboard (ESelectable *selectable)
+{
+	ETaskTable *task_table;
+
+	task_table = E_TASK_TABLE (selectable);
+
+	e_selectable_copy_clipboard (selectable);
+	delete_selected_components (task_table);
+}
+
+/* Helper for task_table_copy_clipboard() */
+static void
+copy_row_cb (gint model_row, gpointer data)
+{
+	ETaskTable *task_table;
+	ECalModelComponent *comp_data;
+	ECalModel *model;
+	gchar *comp_str;
+	icalcomponent *child;
+
+	task_table = E_TASK_TABLE (data);
+
+	g_return_if_fail (task_table->tmp_vcal != NULL);
+
+	model = e_task_table_get_model (task_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 (
+		task_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 (
+			task_table->tmp_vcal,
+			icalcomponent_new_clone (child));
+		icalcomponent_free (child);
+	}
+	g_free (comp_str);
+}
+
+static void
+task_table_copy_clipboard (ESelectable *selectable)
+{
+	ETaskTable *task_table;
+	GtkClipboard *clipboard;
+	gchar *comp_str;
+
+	task_table = E_TASK_TABLE (selectable);
+
+	/* Create a temporary VCALENDAR object. */
+	task_table->tmp_vcal = e_cal_util_new_top_level ();
+
+	e_table_selected_row_foreach (
+		E_TABLE (task_table), copy_row_cb, task_table);
+	comp_str = icalcomponent_as_ical_string_r (task_table->tmp_vcal);
+
+	clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+	e_clipboard_set_calendar (clipboard, comp_str, -1);
+	gtk_clipboard_store (clipboard);
+
+	g_free (comp_str);
+
+	icalcomponent_free (task_table->tmp_vcal);
+	task_table->tmp_vcal = NULL;
+}
+
+/* Helper for calenable_table_paste_clipboard() */
+static void
+clipboard_get_calendar_data (ETaskTable *task_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 (task_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_task_table_get_model (task_table);
+	client = e_cal_model_get_default_client (model);
+
+	status_message = _("Updating objects");
+	task_table_emit_status_message (task_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?  Also, need 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);
+	}
+
+	task_table_emit_status_message (task_table, NULL, -1.0);
+}
+
+static void
+task_table_paste_clipboard (ESelectable *selectable)
+{
+	ETaskTable *task_table;
+	GtkClipboard *clipboard;
+	GnomeCanvasItem *item;
+	GnomeCanvas *table_canvas;
+
+	task_table = E_TASK_TABLE (selectable);
+
+	clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+
+	table_canvas = E_TABLE (task_table)->table_canvas;
+	item = table_canvas->focused_item;
+
+	/* XXX Should ECellText implement GtkEditable? */
+
+	/* Paste text into a cell being edited. */
+	if (gtk_clipboard_wait_is_text_available (clipboard) &&
+		GTK_WIDGET_HAS_FOCUS (table_canvas) &&
+		E_IS_TABLE_ITEM (item) &&
+		E_TABLE_ITEM (item)->editing_col >= 0 &&
+		E_TABLE_ITEM (item)->editing_row >= 0) {
+
+		ETableItem *etable_item = E_TABLE_ITEM (item);
+
+		e_cell_text_paste_clipboard (
+			etable_item->cell_views[etable_item->editing_col],
+			etable_item->editing_col,
+			etable_item->editing_row);
+
+	/* Paste iCalendar data into the table. */
+	} else if (e_clipboard_wait_is_calendar_available (clipboard)) {
+		gchar *calendar_source;
+
+		calendar_source = e_clipboard_wait_for_calendar (clipboard);
+		clipboard_get_calendar_data (task_table, calendar_source);
+		g_free (calendar_source);
+	}
+}
+
+static void
+task_table_select_all (ESelectable *selectable)
+{
+	e_table_select_all (E_TABLE (selectable));
+}
+
+static void
+task_table_class_init (ETaskTableClass *class)
+{
+	GObjectClass *object_class;
+	GtkWidgetClass *widget_class;
+	ETableClass *table_class;
+
+	parent_class = g_type_class_peek_parent (class);
+	g_type_class_add_private (class, sizeof (ETaskTablePrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = task_table_set_property;
+	object_class->get_property = task_table_get_property;
+	object_class->dispose = task_table_dispose;
+	object_class->constructed = task_table_constructed;
+
+	widget_class = GTK_WIDGET_CLASS (class);
+	widget_class->popup_menu = task_table_popup_menu;
+	widget_class->query_tooltip = task_table_query_tooltip;
+
+	table_class = E_TABLE_CLASS (class);
+	table_class->double_click = task_table_double_click;
+	table_class->right_click = task_table_right_click;
+
+	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 (ETaskTableClass, 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 (ETaskTableClass, 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 (ETaskTableClass, status_message),
+		NULL, NULL,
+		e_marshal_VOID__STRING_DOUBLE,
+		G_TYPE_NONE, 2,
+		G_TYPE_STRING, G_TYPE_DOUBLE);
+
+	signals[USER_CREATED] = g_signal_new (
+		"user-created",
+		G_TYPE_FROM_CLASS (class),
+		G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+		G_STRUCT_OFFSET (ETaskTableClass, user_created),
+		NULL, NULL,
+		g_cclosure_marshal_VOID__VOID,
+		G_TYPE_NONE, 0);
+}
+
+static void
+task_table_init (ETaskTable *task_table)
+{
+	task_table->priv = E_TASK_TABLE_GET_PRIVATE (task_table);
+}
+
+static void
+task_table_selectable_init (ESelectableInterface *interface)
+{
+	interface->update_actions = task_table_update_actions;
+	interface->cut_clipboard = task_table_cut_clipboard;
+	interface->copy_clipboard = task_table_copy_clipboard;
+	interface->paste_clipboard = task_table_paste_clipboard;
+	interface->select_all = task_table_select_all;
+}
+
+GType
+e_task_table_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0)) {
+		static const GTypeInfo type_info = {
+			sizeof (ETaskTableClass),
+			(GBaseInitFunc) NULL,
+			(GBaseFinalizeFunc) NULL,
+			(GClassInitFunc) task_table_class_init,
+			(GClassFinalizeFunc) NULL,
+			NULL,  /* class_data */
+			sizeof (ETaskTable),
+			0,     /* n_preallocs */
+			(GInstanceInitFunc) task_table_init,
+			NULL   /* value_table */
+		};
+
+		static const GInterfaceInfo selectable_info = {
+			(GInterfaceInitFunc) task_table_selectable_init,
+			(GInterfaceFinalizeFunc) NULL,
+			NULL   /* interface_data */
+		};
+
+		type = g_type_register_static (
+			E_TABLE_TYPE, "ETaskTable", &type_info, 0);
+
+		g_type_add_interface_static (
+			type, E_TYPE_SELECTABLE, &selectable_info);
+	}
+
+	return type;
+}
+
+/**
+ * e_task_table_new:
+ * @shell_view: an #EShellView
+ * @model: an #ECalModel for the table
+ *
+ * Returns a new #ETaskTable.
+ *
+ * Returns: a new #ETaskTable
+ **/
+GtkWidget *
+e_task_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_TASK_TABLE,
+		"model", model, "shell-view", shell_view, NULL);
+}
+
+/**
+ * e_task_table_get_model:
+ * @task_table: A calendar table.
+ *
+ * Queries the calendar data model that a calendar table is using.
+ *
+ * Return value: A calendar model.
+ **/
+ECalModel *
+e_task_table_get_model (ETaskTable *task_table)
+{
+	g_return_val_if_fail (E_IS_CALENDAR_TABLE (task_table), NULL);
+
+	return task_table->priv->model;
+}
+
+EShellView *
+e_task_table_get_shell_view (ETaskTable *task_table)
+{
+	g_return_val_if_fail (E_IS_CALENDAR_TABLE (task_table), NULL);
+
+	return task_table->priv->shell_view;
+}
+
+/* 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 (ETaskTable *task_table)
+{
+	ECalModel *model;
+	gint row;
+
+	model = e_task_table_get_model (task_table);
+	if (e_table_selected_count (E_TABLE (task_table)) != 1)
+		return NULL;
+
+	row = -1;
+	e_table_selected_row_foreach (
+		E_TABLE (task_table), 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 {
+	ETaskTable *task_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_task_table_get_model (closure->task_table);
+	comp_data = e_cal_model_get_component_at (model, model_row);
+
+	closure->objects = g_slist_prepend (closure->objects, comp_data);
+}
+
+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_task_table_delete_selected:
+ * @task_table: A calendar table.
+ *
+ * Deletes the selected components in the table; asks the user first.
+ **/
+void
+e_task_table_delete_selected (ETaskTable *task_table)
+{
+	gint n_selected;
+	ECalModelComponent *comp_data;
+	ECalComponent *comp = NULL;
+	gboolean delete = FALSE;
+	GError *error = NULL;
+
+	g_return_if_fail (task_table != NULL);
+	g_return_if_fail (E_IS_CALENDAR_TABLE (task_table));
+
+	n_selected = e_table_selected_count (E_TABLE (task_table));
+	if (n_selected <= 0)
+		return;
+
+	if (n_selected == 1)
+		comp_data = get_selected_comp (task_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 (task_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 (task_table));
+	}
+
+	if (delete)
+		delete_selected_components (task_table);
+
+	/* free memory */
+	if (comp)
+		g_object_unref (comp);
+}
+
+/**
+ * e_task_table_get_selected:
+ * @task_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_task_table_get_selected (ETaskTable *task_table)
+{
+	struct get_selected_uids_closure closure;
+
+	closure.task_table = task_table;
+	closure.objects = NULL;
+
+	e_table_selected_row_foreach (
+		E_TABLE (task_table), add_uid_cb, &closure);
+
+	return closure.objects;
+}
+
+static void
+hide_completed_rows (ECalModel *model, GList *clients_list, gchar *hide_sexp, GPtrArray *comp_objects)
+{
+	GList *l, *m, *objects;
+	ECal *client;
+	gint pos;
+	gboolean changed = FALSE;
+
+	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);
+				changed = TRUE;
+
+				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);
+	}
+
+	if (changed) {
+		/* 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_object_new (E_TYPE_CAL_MODEL_COMPONENT, NULL);
+				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);
+		}
+	}
+}
+
+/* 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_task_table_get_current_time (ECellDateEdit *ecde, gpointer data)
+{
+	ETaskTable *task_table = data;
+	ECalModel *model;
+	icaltimezone *zone;
+	struct tm tmp_tm = { 0 };
+	struct icaltimetype tt;
+
+	/* Get the current timezone. */
+	model = e_task_table_get_model (task_table);
+	zone = e_cal_model_get_timezone (model);
+
+	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_task_table_hide_completed_tasks:
+ * @table: A calendar table model.
+ * @client_list: Clients List
+ *
+ * Hide completed tasks.
+ */
+void
+e_task_table_process_completed_tasks (ETaskTable *task_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_task_table_get_model (task_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);
+}