/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*
 * Authors :
 *  Damon Chaplin <damon@ximian.com>
 *  Rodrigo Moya <rodrigo@ximian.com>
 *  Nathan Owens <pianocomp81@yahoo.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 * USA
 */

/*
 * EMemoTable - displays the ECalComponent objects in a table (an ETable).
 * Used for memos.
 */

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

#include <sys/stat.h>
#include <unistd.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gdk/gdkkeysyms.h>
#include <libgnome/gnome-url.h>
#include <widgets/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 <widgets/misc/e-cell-date-edit.h>
#include <widgets/misc/e-cell-percent.h>

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

#define E_MEMO_TABLE_GET_PRIVATE(obj) \
	(G_TYPE_INSTANCE_GET_PRIVATE \
	((obj), E_TYPE_MEMO_TABLE, EMemoTablePrivate))

struct _EMemoTablePrivate {
	gpointer shell_view;  /* weak pointer */

	EActivity *activity;
};

enum {
	PROP_0,
	PROP_SHELL_VIEW
};

enum TargetType{
	TARGET_TYPE_VCALENDAR
};

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

static guint n_target_types = G_N_ELEMENTS (target_types);


static void e_memo_table_on_double_click	(ETable		*table,
						 gint		 row,
						 gint		 col,
						 GdkEvent	*event,
						 EMemoTable *memo_table);
static gint e_memo_table_show_popup_menu    	(ETable *table,
						 GdkEvent *gdk_event,
						 EMemoTable *memo_table);

static gint e_memo_table_on_right_click		(ETable		*table,
						 gint		 row,
						 gint		 col,
						 GdkEvent       *event,
						 EMemoTable *memo_table);
static gboolean e_memo_table_on_popup_menu  	(GtkWidget *widget,
						 gpointer data);

static gint e_memo_table_on_key_press		(ETable		*table,
						 gint		 row,
						 gint		 col,
						 GdkEventKey	*event,
						 EMemoTable *memo_table);
static struct tm e_memo_table_get_current_time (ECellDateEdit *ecde, gpointer data);

static ECalModelComponent *get_selected_comp (EMemoTable *memo_table);
static void open_memo (EMemoTable *memo_table, ECalModelComponent *comp_data);

/* Signal IDs */
enum {
	USER_CREATED,
	LAST_SIGNAL
};

static gpointer parent_class;
static guint signals[LAST_SIGNAL];

/* The icons to represent the task. */
#define E_MEMO_MODEL_NUM_ICONS	2
static const char* icon_names[E_MEMO_MODEL_NUM_ICONS] = {
	"stock_notes", "stock_insert-note"
};
static GdkPixbuf* icon_pixbufs[E_MEMO_MODEL_NUM_ICONS] = { NULL };

static GdkAtom clipboard_atom = GDK_NONE;

static void
memo_table_emit_user_created (EMemoTable *memo_table)
{
	g_signal_emit (memo_table, signals[USER_CREATED], 0);
}

static gint
memo_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 void
memo_table_set_shell_view (EMemoTable *memo_table,
                           EShellView *shell_view)
{
	g_return_if_fail (memo_table->priv->shell_view == NULL);

	memo_table->priv->shell_view = shell_view;

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

static void
memo_table_set_property (GObject *object,
                         guint property_id,
                         const GValue *value,
                         GParamSpec *pspec)
{
	switch (property_id) {
		case PROP_SHELL_VIEW:
			memo_table_set_shell_view (
				E_MEMO_TABLE (object),
				g_value_get_object (value));
			return;
	}

	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
memo_table_get_property (GObject *object,
                         guint property_id,
                         GValue *value,
                         GParamSpec *pspec)
{
	switch (property_id) {
		case PROP_SHELL_VIEW:
			g_value_set_object (
				value, e_memo_table_get_shell_view (
				E_MEMO_TABLE (object)));
			return;
	}

	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
memo_table_dispose (GObject *object)
{
	EMemoTable *memo_table;

	memo_table = E_MEMO_TABLE (object);

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

	if (memo_table->priv->activity != NULL) {
		/* XXX Activity is not cancellable. */
		e_activity_complete (memo_table->priv->activity);
		g_object_unref (memo_table->priv->activity);
		memo_table->priv->activity = NULL;
	}

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

static void
memo_table_class_init (EMemoTableClass *class)
{
	GObjectClass *object_class;

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

	object_class = G_OBJECT_CLASS (class);
	object_class->set_property = memo_table_set_property;
	object_class->get_property = memo_table_get_property;
	object_class->dispose = memo_table_dispose;

	signals[USER_CREATED] =
		g_signal_new ("user_created",
			      G_TYPE_FROM_CLASS (class),
			      G_SIGNAL_RUN_LAST,
			      G_STRUCT_OFFSET (EMemoTableClass, user_created),
			      NULL, NULL,
			      g_cclosure_marshal_VOID__VOID,
			      G_TYPE_NONE, 0);

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

static void
memo_table_init (EMemoTable *memo_table)
{
	GtkWidget *table;
	ETable *e_table;
	ECell *cell, *popup_cell;
	ETableExtras *extras;
	gint i;
	AtkObject *a11y;
	gchar *etspecfile;

	memo_table->priv = E_MEMO_TABLE_GET_PRIVATE (memo_table);

	/* Create the model */

	memo_table->model = (ECalModel *) e_cal_model_memos_new ();
	g_signal_connect_swapped (
		memo_table->model, "row_appended",
		G_CALLBACK (memo_table_emit_user_created), memo_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 (G_OBJECT (cell),
		      "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 (G_OBJECT (cell),
		      "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);
	memo_table->dates_cell = E_CELL_DATE_EDIT (popup_cell);

	e_cell_date_edit_set_get_time_callback (E_CELL_DATE_EDIT (popup_cell),
						e_memo_table_get_current_time,
						memo_table, NULL);

	/* Sorting */
	e_table_extras_add_compare (extras, "date-compare",
				    memo_table_date_compare_cb);

	/* Create pixmaps */

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

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

	/* Create the table */

	etspecfile = g_build_filename (EVOLUTION_ETSPECDIR,
				       "e-memo-table.etspec",
				       NULL);
	table = e_table_scrolled_new_from_spec_file (E_TABLE_MODEL (memo_table->model),
						     extras,
						     etspecfile,
						     NULL);
	g_free (etspecfile);

	/* FIXME: this causes a message from GLib about 'extras' having only a floating
	   reference */
	/* g_object_unref (extras); */

	memo_table->etable = table;
	gtk_table_attach (GTK_TABLE (memo_table), table, 0, 1, 0, 1,
			  GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
	gtk_widget_show (table);


	e_table = e_table_scrolled_get_table (E_TABLE_SCROLLED (table));
	g_signal_connect (e_table, "double_click", G_CALLBACK (e_memo_table_on_double_click), memo_table);
	g_signal_connect (e_table, "right_click", G_CALLBACK (e_memo_table_on_right_click), memo_table);
	g_signal_connect (e_table, "key_press", G_CALLBACK (e_memo_table_on_key_press), memo_table);
	g_signal_connect (e_table, "popup_menu", G_CALLBACK (e_memo_table_on_popup_menu), memo_table);

	a11y = gtk_widget_get_accessible (GTK_WIDGET(e_table));
	if (a11y)
		atk_object_set_name (a11y, _("Memos"));
}

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

	if (G_UNLIKELY (type == 0)) {
		static const GTypeInfo type_info = {
			sizeof (EMemoTableClass),
			(GBaseInitFunc) NULL,
			(GBaseFinalizeFunc) NULL,
			(GClassInitFunc) memo_table_class_init,
			(GClassFinalizeFunc) NULL,
			NULL,  /* class_data */
			sizeof (EMemoTable),
			0,     /* n_preallocs */
			(GInstanceInitFunc) memo_table_init,
			NULL   /* value_table */
		};

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

	return type;
}

/**
 * e_memo_table_new:
 * @shell_view: an #EShellView
 *
 * Returns a new #EMemoTable.
 *
 * Returns: a new #EMemoTable
 **/
GtkWidget *
e_memo_table_new (EShellView *shell_view)
{
	g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL);

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

EShellView *
e_memo_table_get_shell_view (EMemoTable *memo_table)
{
	g_return_val_if_fail (E_IS_MEMO_TABLE (memo_table), NULL);

	return memo_table->priv->shell_view;
}

/**
 * e_memo_table_get_model:
 * @memo_table: A calendar table.
 *
 * Queries the calendar data model that a calendar table is using.
 *
 * Return value: A memo model.
 **/
ECalModel *
e_memo_table_get_model (EMemoTable *memo_table)
{
	g_return_val_if_fail (memo_table != NULL, NULL);
	g_return_val_if_fail (E_IS_MEMO_TABLE (memo_table), NULL);

	return memo_table->model;
}


/**
 * e_memo_table_get_table:
 * @memo_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_memo_table_get_table (EMemoTable *memo_table)
{
	g_return_val_if_fail (memo_table != NULL, NULL);
	g_return_val_if_fail (E_IS_MEMO_TABLE (memo_table), NULL);

	return e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable));
}

void
e_memo_table_open_selected (EMemoTable *memo_table)
{
	ECalModelComponent *comp_data;

	comp_data = get_selected_comp (memo_table);
	if (comp_data != NULL)
		open_memo (memo_table, comp_data);
}

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

	etable = e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable));
	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 (memo_table->model, row);
}

struct get_selected_uids_closure {
	EMemoTable *memo_table;
	GSList *objects;
};

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

	closure = data;

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

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

static GSList *
get_selected_objects (EMemoTable *memo_table)
{
	struct get_selected_uids_closure closure;
	ETable *etable;

	closure.memo_table = memo_table;
	closure.objects = NULL;

	etable = e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable));
	e_table_selected_row_foreach (etable, add_uid_cb, &closure);

	return closure.objects;
}

/* Deletes all of the selected components in the table */
static void
delete_selected_components (EMemoTable *memo_table)
{
	GSList *objs, *l;

	objs = get_selected_objects (memo_table);

	e_memo_table_set_status_message (memo_table, _("Deleting selected objects"));

	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_JOURNAL);
		g_clear_error (&error);
	}

	e_memo_table_set_status_message (memo_table, NULL);

	g_slist_free (objs);
}

/**
 * e_memo_table_get_selected:
 * @memo_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_memo_table_get_selected (EMemoTable *memo_table)
{
	return get_selected_objects(memo_table);
}

/**
 * e_memo_table_delete_selected:
 * @memo_table: A memo table.
 *
 * Deletes the selected components in the table; asks the user first.
 **/
void
e_memo_table_delete_selected (EMemoTable *memo_table)
{
	ETable *etable;
	int n_selected;
	ECalModelComponent *comp_data;
	ECalComponent *comp = NULL;

	g_return_if_fail (memo_table != NULL);
	g_return_if_fail (E_IS_MEMO_TABLE (memo_table));

	etable = e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable));

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

	if (n_selected == 1)
		comp_data = get_selected_comp (memo_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 (delete_component_dialog (comp, FALSE, n_selected, E_CAL_COMPONENT_JOURNAL,
				     GTK_WIDGET (memo_table)))
		delete_selected_components (memo_table);

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

/**
 * e_memo_table_cut_clipboard:
 * @memo_table: A calendar table.
 *
 * Cuts selected tasks in the given calendar table
 */
void
e_memo_table_cut_clipboard (EMemoTable *memo_table)
{
	g_return_if_fail (E_IS_MEMO_TABLE (memo_table));

	e_memo_table_copy_clipboard (memo_table);
	delete_selected_components (memo_table);
}

/* callback for e_table_selected_row_foreach */
static void
copy_row_cb (int model_row, gpointer data)
{
	EMemoTable *memo_table;
	ECalModelComponent *comp_data;
	gchar *comp_str;
	icalcomponent *child;

	memo_table = E_MEMO_TABLE (data);

	g_return_if_fail (memo_table->tmp_vcal != NULL);

	comp_data = e_cal_model_get_component_at (memo_table->model, model_row);
	if (!comp_data)
		return;

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

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

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;
	}
}

/**
 * e_memo_table_copy_clipboard:
 * @memo_table: A calendar table.
 *
 * Copies selected tasks into the clipboard
 */
void
e_memo_table_copy_clipboard (EMemoTable *memo_table)
{
	ETable *etable;
	GtkClipboard *clipboard;
	char *comp_str;

	g_return_if_fail (E_IS_MEMO_TABLE (memo_table));

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

	etable = e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable));
	e_table_selected_row_foreach (etable, copy_row_cb, memo_table);
	comp_str = icalcomponent_as_ical_string (memo_table->tmp_vcal);
	clipboard = gtk_widget_get_clipboard (GTK_WIDGET (memo_table), clipboard_atom);
	if (!gtk_clipboard_set_with_data(clipboard, target_types, n_target_types,
					 clipboard_get_calendar_cb,
					 NULL, comp_str)) {
		/* do not free this pointer, it owns libical */
		/* g_free (comp_str); */
	} else {
		gtk_clipboard_set_can_store (clipboard, target_types + 1, n_target_types - 1);
	}

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

static void
clipboard_get_calendar_data (EMemoTable *memo_table, const gchar *text)
{
	icalcomponent *icalcomp;
	char *uid;
	ECalComponent *comp;
	ECal *client;
	icalcomponent_kind kind;

	g_return_if_fail (E_IS_MEMO_TABLE (memo_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_VJOURNAL_COMPONENT) {
		return;
	}

	client = e_cal_model_get_default_client (memo_table->model);

	e_memo_table_set_status_message (memo_table, _("Updating objects"));

	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_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 char *) uid);
		free (uid);

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

		g_object_unref (comp);
	}

	e_memo_table_set_status_message (memo_table, NULL);
}

static void
clipboard_paste_received_cb (GtkClipboard *clipboard,
			     GtkSelectionData *selection_data,
			     gpointer data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);
	ETable *e_table = e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable));
	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 (memo_table, result);
			g_free (result);
		}
	}
	g_object_unref (memo_table);
}

/**
 * e_memo_table_paste_clipboard:
 * @memo_table: A calendar table.
 *
 * Pastes tasks currently in the clipboard into the given calendar table
 */
void
e_memo_table_paste_clipboard (EMemoTable *memo_table)
{
	GtkClipboard *clipboard;
	g_return_if_fail (E_IS_MEMO_TABLE (memo_table));


	clipboard = gtk_widget_get_clipboard (GTK_WIDGET (memo_table), clipboard_atom);
	g_object_ref (memo_table);

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

/* Opens a task in the task editor */
static void
open_memo (EMemoTable *memo_table, ECalModelComponent *comp_data)
{
	CompEditor *medit;
	const char *uid;

	uid = icalcomponent_get_uid (comp_data->icalcomp);

	medit = comp_editor_find_instance (uid);
	if (medit == NULL) {
		ECalComponent *comp;
		CompEditorFlags flags = 0;

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

		if (e_cal_component_has_organizer (comp))
			flags |= COMP_EDITOR_IS_SHARED;

		if (itip_organizer_is_user (comp, comp_data->client))
			flags |= COMP_EDITOR_USER_ORG;

		medit = memo_editor_new (comp_data->client, flags);

		comp_editor_edit_comp (medit, comp);
		g_object_unref (comp);
	}

	gtk_window_present (GTK_WINDOW (medit));
}

/* Opens the task in the specified row */
static void
open_memo_by_row (EMemoTable *memo_table, int row)
{
	ECalModelComponent *comp_data;

	comp_data = e_cal_model_get_component_at (memo_table->model, row);
	open_memo (memo_table, comp_data);
}

static void
e_memo_table_on_double_click (ETable *table,
			      gint row,
			      gint col,
			      GdkEvent *event,
			      EMemoTable *memo_table)
{
	open_memo_by_row (memo_table, row);
}


static void
e_memo_table_on_open_memo (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);
	ECalModelComponent *comp_data;

	comp_data = get_selected_comp (memo_table);
	if (comp_data)
		open_memo (memo_table, comp_data);
}

static void
e_memo_table_on_save_as (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);
	ECalModelComponent *comp_data;
	char *filename;
	char *ical_string;

	comp_data = get_selected_comp (memo_table);
	if (comp_data == NULL)
		return;

	filename = e_file_dialog_save (_("Save as..."), NULL);
	if (filename == NULL)
		return;

	ical_string = e_cal_get_component_as_string (comp_data->client, comp_data->icalcomp);
	if (ical_string == NULL) {
		g_warning ("Couldn't convert item to a string");
		return;
	}

	e_write_file_uri (filename, ical_string);
	g_free (ical_string);
}

static void
e_memo_table_on_print_memo (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);
	ECalModelComponent *comp_data;
	ECalComponent *comp;

	comp_data = get_selected_comp (memo_table);
	if (comp_data == NULL)
		return;

	comp = e_cal_component_new ();
	e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (comp_data->icalcomp));
	print_comp (comp, comp_data->client, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG);

	g_object_unref (comp);
}

static void
e_memo_table_on_cut (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);

	e_memo_table_cut_clipboard (memo_table);
}

static void
e_memo_table_on_copy (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);

	e_memo_table_copy_clipboard (memo_table);
}

static void
e_memo_table_on_paste (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);

	e_memo_table_paste_clipboard (memo_table);
}

static void
e_memo_table_on_forward (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);
	ECalModelComponent *comp_data;

	comp_data = get_selected_comp (memo_table);
	if (comp_data) {
		ECalComponent *comp;

		comp = e_cal_component_new ();
		e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (comp_data->icalcomp));
		itip_send_comp (E_CAL_COMPONENT_METHOD_PUBLISH, comp, comp_data->client, NULL, NULL, NULL);

		g_object_unref (comp);
	}
}

/* Opens the URL of the memo */
static void
open_url_cb (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);
	ECalModelComponent *comp_data;
	icalproperty *prop;

	comp_data = get_selected_comp (memo_table);
	if (!comp_data)
		return;

	prop = icalcomponent_get_first_property (comp_data->icalcomp, ICAL_URL_PROPERTY);
	if (!prop)
		return;

	gnome_url_show (icalproperty_get_url (prop), NULL);
}

/* Callback for the "delete tasks" menu item */
static void
delete_cb (EPopup *ep, EPopupItem *pitem, void *data)
{
	EMemoTable *memo_table = E_MEMO_TABLE (data);

	e_memo_table_delete_selected (memo_table);
}

static EPopupItem memos_popup_items [] = {
	{ E_POPUP_ITEM, "00.open", N_("_Open"), e_memo_table_on_open_memo, NULL, GTK_STOCK_OPEN, E_CAL_POPUP_SELECT_ONE },
	{ E_POPUP_ITEM, "05.openweb", N_("Open _Web Page"), open_url_cb, NULL, NULL, E_CAL_POPUP_SELECT_ONE, E_CAL_POPUP_SELECT_HASURL },
	{ E_POPUP_ITEM, "10.saveas", N_("_Save As..."), e_memo_table_on_save_as, NULL, GTK_STOCK_SAVE_AS, E_CAL_POPUP_SELECT_ONE },
	{ E_POPUP_ITEM, "20.print", N_("P_rint..."), e_memo_table_on_print_memo, NULL, GTK_STOCK_PRINT, E_CAL_POPUP_SELECT_ONE },

	{ E_POPUP_BAR, "30.bar" },

	{ E_POPUP_ITEM, "40.cut", N_("C_ut"), e_memo_table_on_cut, NULL, GTK_STOCK_CUT, 0, E_CAL_POPUP_SELECT_EDITABLE },
	{ E_POPUP_ITEM, "50.copy", N_("_Copy"), e_memo_table_on_copy, NULL, GTK_STOCK_COPY, 0, 0 },
	{ E_POPUP_ITEM, "60.paste", N_("_Paste"), e_memo_table_on_paste, NULL, GTK_STOCK_PASTE, 0, E_CAL_POPUP_SELECT_EDITABLE },

	{ E_POPUP_BAR, "70.bar" },

	{ E_POPUP_ITEM, "80.forward", N_("_Forward as iCalendar"), e_memo_table_on_forward, NULL, "mail-forward", E_CAL_POPUP_SELECT_ONE },

	{ E_POPUP_BAR, "90.bar" },

	{ E_POPUP_ITEM, "a0.delete", N_("_Delete"), delete_cb, NULL, GTK_STOCK_DELETE, E_CAL_POPUP_SELECT_ONE, E_CAL_POPUP_SELECT_EDITABLE },
	{ E_POPUP_ITEM, "b0.deletemany", N_("_Delete Selected Memos"), delete_cb, NULL, GTK_STOCK_DELETE, E_CAL_POPUP_SELECT_MANY, E_CAL_POPUP_SELECT_EDITABLE },
};

static void
emt_popup_free(EPopup *ep, GSList *items, void *data)
{
	g_slist_free(items);
}

static gint
e_memo_table_show_popup_menu (ETable *table,
				GdkEvent *gdk_event,
				EMemoTable *memo_table)
{
	GtkMenu *menu;
	GSList *selection, *l, *menus = NULL;
	GPtrArray *events;
	ECalPopup *ep;
	ECalPopupTargetSelect *t;
	int i;

	selection = get_selected_objects (memo_table);
	if (!selection)
		return TRUE;

	/** @HookPoint-ECalPopup: Tasks Table Context Menu
	 * @Id: org.gnome.evolution.tasks.table.popup
	 * @Class: org.gnome.evolution.calendar.popup:1.0
	 * @Target: ECalPopupTargetSelect
	 *
	 * The context menu on the tasks table.
	 */
	ep = e_cal_popup_new("org.gnome.evolution.memos.table.popup");

	events = g_ptr_array_new();
	for (l=selection;l;l=g_slist_next(l))
		g_ptr_array_add(events, e_cal_model_copy_component_data((ECalModelComponent *)l->data));
	g_slist_free(selection);

	t = e_cal_popup_target_new_select(ep, memo_table->model, events);
	t->target.widget = (GtkWidget *)memo_table;

	for (i=0;i<sizeof(memos_popup_items)/sizeof(memos_popup_items[0]);i++)
		menus = g_slist_prepend(menus, &memos_popup_items[i]);
	e_popup_add_items((EPopup *)ep, menus, NULL, emt_popup_free, memo_table);

	menu = e_popup_create_menu_once((EPopup *)ep, (EPopupTarget *)t, 0);

	gtk_menu_popup(menu, NULL, NULL, NULL, NULL, gdk_event?gdk_event->button.button:0,
		       gdk_event?gdk_event->button.time:gtk_get_current_event_time());

	return TRUE;
}

static gint
e_memo_table_on_right_click (ETable *table,
				 gint row,
				 gint col,
				 GdkEvent *event,
				 EMemoTable *memo_table)
{
	return e_memo_table_show_popup_menu (table, event, memo_table);
}

static gboolean
e_memo_table_on_popup_menu (GtkWidget *widget, gpointer data)
{
	ETable *table = E_TABLE(widget);
	g_return_val_if_fail(table, FALSE);

	return e_memo_table_show_popup_menu (table, NULL,
						 E_MEMO_TABLE(data));
}

static gint
e_memo_table_on_key_press (ETable *table,
			       gint row,
			       gint col,
			       GdkEventKey *event,
			       EMemoTable *memo_table)
{
	if (event->keyval == GDK_Delete) {
		delete_cb (NULL, NULL, memo_table);
		return TRUE;
	} else if ((event->keyval == GDK_o)
		   &&(event->state & GDK_CONTROL_MASK)) {
		open_memo_by_row (memo_table, row);
		return TRUE;
	}

	return FALSE;
}

/* Loads the state of the table (headers shown etc.) from the given file. */
void
e_memo_table_load_state	(EMemoTable *memo_table,
			 gchar		*filename)
{
	struct stat st;

	g_return_if_fail (E_IS_MEMO_TABLE (memo_table));

	if (g_stat (filename, &st) == 0 && st.st_size > 0
	    && S_ISREG (st.st_mode)) {
		e_table_load_state (e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable)), filename);
	}
}


/* Saves the state of the table (headers shown etc.) to the given file. */
void
e_memo_table_save_state (EMemoTable	*memo_table,
			 gchar		*filename)
{
	g_return_if_fail (E_IS_MEMO_TABLE (memo_table));

	e_table_save_state (e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable)),
			    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_memo_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;
}


#ifdef TRANSLATORS_ONLY

static char *test[] = {
    N_("Click to add a memo")
};

#endif

void
e_memo_table_set_status_message (EMemoTable *memo_table,
                                 const gchar *message)
{
	EActivity *activity;
	EShellView *shell_view;

        g_return_if_fail (E_IS_MEMO_TABLE (memo_table));

	activity = memo_table->priv->activity;
	shell_view = e_memo_table_get_shell_view (memo_table);

	if (message == NULL || *message == '\0') {
		if (activity != NULL) {
			e_activity_complete (activity);
			g_object_unref (activity);
			memo_table->priv->activity = NULL;
		}

	} else if (activity == NULL) {
		activity = e_activity_new (message);
		memo_table->priv->activity = activity;
		e_shell_view_add_activity (shell_view, activity);

        } else
		e_activity_set_primary_text (activity, message);
}