/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors:
* Hans Petter Jansson <hpj@ximian.com>
*
* Copyright 2003, Ximian, Inc.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
/*
* ECalListView - display calendar events in an ETable.
*/
#include <config.h>
#include "e-cal-list-view.h"
#include "ea-calendar.h"
#include <math.h>
#include <time.h>
#include <sys/stat.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkx.h>
#include <gtk/gtkdnd.h>
#include <gtk/gtkmain.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkvscrollbar.h>
#include <gtk/gtkwindow.h>
#include <gal/widgets/e-gui-utils.h>
#include <gal/util/e-util.h>
#include <gal/e-table/e-table-memory-store.h>
#include <gal/e-table/e-cell-checkbox.h>
#include <gal/e-table/e-cell-toggle.h>
#include <gal/e-table/e-cell-text.h>
#include <gal/e-table/e-cell-combo.h>
#include <gal/widgets/e-popup-menu.h>
#include <widgets/misc/e-cell-date-edit.h>
#include <libgnome/gnome-i18n.h>
#include <libgnome/gnome-exec.h>
#include <libgnome/gnome-util.h>
#include <e-util/e-categories-config.h>
#include <e-util/e-dialog-utils.h>
#include <libecal/e-cal-time-util.h>
#include "e-cal-model-calendar.h"
#include "e-cell-date-edit-text.h"
#include "dialogs/delete-comp.h"
#include "dialogs/delete-error.h"
#include "dialogs/send-comp.h"
#include "dialogs/cancel-comp.h"
#include "dialogs/recur-comp.h"
#include "comp-util.h"
#include "itip-utils.h"
#include "calendar-commands.h"
#include "calendar-config.h"
#include "goto.h"
#include "misc.h"
static void e_cal_list_view_class_init (ECalListViewClass *class);
static void e_cal_list_view_init (ECalListView *cal_list_view);
static void e_cal_list_view_destroy (GtkObject *object);
static void e_cal_list_view_update_query (ECalendarView *cal_view);
static GList *e_cal_list_view_get_selected_events (ECalendarView *cal_view);
static gboolean e_cal_list_view_get_visible_time_range (ECalendarView *cal_view, time_t *start_time,
time_t *end_time);
static gboolean e_cal_list_view_popup_menu (GtkWidget *widget);
static void e_cal_list_view_show_popup_menu (ECalListView *cal_list_view, gint row,
GdkEvent *gdk_event);
static gboolean e_cal_list_view_on_table_right_click (GtkWidget *table, gint row, gint col,
GdkEvent *event, gpointer data);
static GtkTableClass *parent_class; /* Should be ECalendarViewClass? */
E_MAKE_TYPE (e_cal_list_view, "ECalListView", ECalListView, e_cal_list_view_class_init,
e_cal_list_view_init, e_calendar_view_get_type ());
static void
e_cal_list_view_class_init (ECalListViewClass *class)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
ECalendarViewClass *view_class;
parent_class = g_type_class_peek_parent (class);
object_class = (GtkObjectClass *) class;
widget_class = (GtkWidgetClass *) class;
view_class = (ECalendarViewClass *) class;
/* Method override */
object_class->destroy = e_cal_list_view_destroy;
widget_class->popup_menu = e_cal_list_view_popup_menu;
view_class->get_selected_events = e_cal_list_view_get_selected_events;
view_class->get_visible_time_range = e_cal_list_view_get_visible_time_range;
view_class->update_query = e_cal_list_view_update_query;
}
static gint
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
e_cal_list_view_init (ECalListView *cal_list_view)
{
cal_list_view->query = NULL;
cal_list_view->table_scrolled = NULL;
cal_list_view->cursor_event = NULL;
cal_list_view->set_table_id = 0;
}
/* Returns the current time, for the ECellDateEdit items. */
static struct tm
get_current_time_cb (ECellDateEdit *ecde, gpointer data)
{
ECalListView *cal_list_view = data;
icaltimezone *zone;
struct tm tmp_tm = { 0 };
struct icaltimetype tt;
zone = e_calendar_view_get_timezone (E_CALENDAR_VIEW (cal_list_view));
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;
}
static void
load_table_state (ECalListView *cal_list_view)
{
struct stat st;
if (!cal_list_view->table_state_path)
return;
if (stat (cal_list_view->table_state_path, &st) == 0 && st.st_size > 0 && S_ISREG (st.st_mode)) {
e_table_load_state (e_table_scrolled_get_table (cal_list_view->table_scrolled),
cal_list_view->table_state_path);
}
}
static void
save_table_state (ECalListView *cal_list_view)
{
if (!cal_list_view->table_state_path)
return;
e_table_save_state (e_table_scrolled_get_table (cal_list_view->table_scrolled),
cal_list_view->table_state_path);
}
static void
setup_e_table (ECalListView *cal_list_view)
{
ECalModelCalendar *model;
ETableExtras *extras;
GList *strings;
ECell *cell, *popup_cell;
GnomeCanvas *canvas;
GtkStyle *style;
model = E_CAL_MODEL_CALENDAR (e_calendar_view_get_model (E_CALENDAR_VIEW (cal_list_view)));
if (cal_list_view->table_scrolled) {
save_table_state (cal_list_view);
gtk_widget_destroy (GTK_WIDGET (cal_list_view->table_scrolled));
}
/* 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);
cal_list_view->dates_cell = E_CELL_DATE_EDIT (popup_cell);
e_cell_date_edit_set_get_time_callback (E_CELL_DATE_EDIT (popup_cell),
get_current_time_cb,
cal_list_view, NULL);
/* Combo fields */
cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
g_object_set (G_OBJECT (cell),
"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, (char*) _("Public"));
strings = g_list_append (strings, (char*) _("Private"));
strings = g_list_append (strings, (char*) _("Confidential"));
e_cell_combo_set_popdown_strings (E_CELL_COMBO (popup_cell),
strings);
e_table_extras_add_cell (extras, "classification", popup_cell);
/* Sorting */
e_table_extras_add_compare (extras, "date-compare",
date_compare_cb);
/* Create table view */
cal_list_view->table_scrolled = E_TABLE_SCROLLED (
e_table_scrolled_new_from_spec_file (E_TABLE_MODEL (model),
extras,
EVOLUTION_ETSPECDIR "/e-cal-list-view.etspec",
NULL));
/* Make sure text is readable on top of our color coding */
canvas = GNOME_CANVAS (e_table_scrolled_get_table (cal_list_view->table_scrolled)->table_canvas);
style = gtk_widget_get_style (GTK_WIDGET (canvas));
style->fg [GTK_STATE_SELECTED] = style->text [GTK_STATE_NORMAL];
style->fg [GTK_STATE_ACTIVE] = style->text [GTK_STATE_NORMAL];
gtk_widget_set_style (GTK_WIDGET (canvas), style);
/* Load state, if possible */
load_table_state (cal_list_view);
/* Connect signals */
g_signal_connect (e_table_scrolled_get_table (cal_list_view->table_scrolled),
"right-click", G_CALLBACK (e_cal_list_view_on_table_right_click), cal_list_view);
/* Attach and show widget */
gtk_table_attach (GTK_TABLE (cal_list_view), GTK_WIDGET (cal_list_view->table_scrolled),
0, 2, 0, 2, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 1, 1);
gtk_widget_show (GTK_WIDGET (cal_list_view->table_scrolled));
}
GtkWidget *
e_cal_list_view_construct (ECalListView *cal_list_view, const gchar *table_state_path)
{
if (table_state_path)
cal_list_view->table_state_path = g_strdup (table_state_path);
else
cal_list_view->table_state_path = NULL;
setup_e_table (cal_list_view);
return GTK_WIDGET (cal_list_view);
}
/**
* e_cal_list_view_new:
* @Returns: a new #ECalListView.
*
* Creates a new #ECalListView.
**/
GtkWidget *
e_cal_list_view_new (const gchar *table_state_path)
{
ECalListView *cal_list_view;
ECalModel *model;
model = E_CAL_MODEL (e_cal_model_calendar_new ());
cal_list_view = g_object_new (e_cal_list_view_get_type (), "model", model, NULL);
if (!e_cal_list_view_construct (cal_list_view, table_state_path)) {
g_message (G_STRLOC ": Could not construct the calendar list GUI");
g_object_unref (cal_list_view);
return NULL;
}
g_object_unref (model);
return GTK_WIDGET (cal_list_view);
}
static void
e_cal_list_view_destroy (GtkObject *object)
{
ECalListView *cal_list_view;
cal_list_view = E_CAL_LIST_VIEW (object);
if (cal_list_view->query) {
g_signal_handlers_disconnect_matched (cal_list_view->query, G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, cal_list_view);
g_object_unref (cal_list_view->query);
cal_list_view->query = NULL;
}
if (cal_list_view->set_table_id) {
g_source_remove (cal_list_view->set_table_id);
cal_list_view->set_table_id = 0;
}
if (cal_list_view->table_state_path) {
save_table_state (cal_list_view);
g_free (cal_list_view->table_state_path);
cal_list_view->table_state_path = NULL;
}
if (cal_list_view->cursor_event) {
g_free (cal_list_view->cursor_event);
cal_list_view->cursor_event = NULL;
}
if (cal_list_view->table_scrolled) {
gtk_widget_destroy (GTK_WIDGET (cal_list_view->table_scrolled));
cal_list_view->table_scrolled = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static gboolean
setup_e_table_cb (gpointer data)
{
setup_e_table (E_CAL_LIST_VIEW (data));
E_CAL_LIST_VIEW (data)->set_table_id = 0;
return FALSE;
}
static void
e_cal_list_view_update_query (ECalendarView *cal_list_view)
{
e_calendar_view_set_status_message (E_CALENDAR_VIEW (cal_list_view), _("Searching"));
if (!E_CAL_LIST_VIEW (cal_list_view)->set_table_id)
E_CAL_LIST_VIEW (cal_list_view)->set_table_id =
g_idle_add (setup_e_table_cb, cal_list_view);
e_calendar_view_set_status_message (E_CALENDAR_VIEW (cal_list_view), NULL);
}
static void
e_cal_list_view_show_popup_menu (ECalListView *cal_list_view, gint row, GdkEvent *gdk_event)
{
GtkMenu *popup;
popup = e_calendar_view_create_popup_menu (E_CALENDAR_VIEW (cal_list_view));
e_popup_menu (popup, gdk_event);
}
static gboolean
e_cal_list_view_popup_menu (GtkWidget *widget)
{
ECalListView *cal_list_view = E_CAL_LIST_VIEW (widget);
e_cal_list_view_show_popup_menu (cal_list_view, -1, NULL);
return TRUE;
}
static gboolean
e_cal_list_view_on_table_right_click (GtkWidget *table, gint row, gint col, GdkEvent *event,
gpointer data)
{
ECalListView *cal_list_view = E_CAL_LIST_VIEW (data);
e_cal_list_view_show_popup_menu (cal_list_view, row, event);
return TRUE;
}
static GList *
e_cal_list_view_get_selected_events (ECalendarView *cal_view)
{
GList *event_list = NULL;
gint cursor_row;
if (E_CAL_LIST_VIEW (cal_view)->cursor_event) {
g_free (E_CAL_LIST_VIEW (cal_view)->cursor_event);
E_CAL_LIST_VIEW (cal_view)->cursor_event = NULL;
}
cursor_row = e_table_get_cursor_row (e_table_scrolled_get_table (E_CAL_LIST_VIEW (cal_view)->table_scrolled));
if (cursor_row >= 0) {
ECalendarViewEvent *event;
event = E_CAL_LIST_VIEW (cal_view)->cursor_event = g_new0 (ECalendarViewEvent, 1);
event->comp_data =
e_cal_model_get_component_at (e_calendar_view_get_model (cal_view),
cursor_row);
event_list = g_list_prepend (event_list, event);
}
return event_list;
}
static void
adjust_range (icaltimetype icaltime, time_t *earliest, time_t *latest, gboolean *set)
{
time_t t;
if (!icaltime_is_valid_time (icaltime))
return;
t = icaltime_as_timet (icaltime);
*earliest = MIN (*earliest, t);
*latest = MAX (*latest, t);
*set = TRUE;
}
/* NOTE: Time use for this function increases linearly with number of events. This is not
* ideal, since it's used in a couple of places. We could probably be smarter about it,
* and use do it less frequently... */
static gboolean
e_cal_list_view_get_visible_time_range (ECalendarView *cal_view, time_t *start_time, time_t *end_time)
{
time_t earliest = G_MAXINT, latest = 0;
gboolean set = FALSE;
gint n_rows, i;
n_rows = e_table_model_row_count (E_TABLE_MODEL (e_calendar_view_get_model (cal_view)));
for (i = 0; i < n_rows; i++) {
ECalModelComponent *comp;
icalcomponent *icalcomp;
comp = e_cal_model_get_component_at (e_calendar_view_get_model (cal_view), i);
if (!comp)
continue;
icalcomp = comp->icalcomp;
if (!icalcomp)
continue;
adjust_range (icalcomponent_get_dtstart (icalcomp), &earliest, &latest, &set);
adjust_range (icalcomponent_get_dtend (icalcomp), &earliest, &latest, &set);
}
if (set) {
*start_time = earliest;
*end_time = latest;
return TRUE;
}
return FALSE;
}
gboolean
e_cal_list_view_get_range_shown (ECalListView *cal_list_view, GDate *start_date, gint *days_shown)
{
time_t first, last;
GDate end_date;
if (!e_cal_list_view_get_visible_time_range (E_CALENDAR_VIEW (cal_list_view), &first, &last))
return FALSE;
time_to_gdate_with_zone (start_date, first, e_calendar_view_get_timezone (E_CALENDAR_VIEW (cal_list_view)));
time_to_gdate_with_zone (&end_date, last, e_calendar_view_get_timezone (E_CALENDAR_VIEW (cal_list_view)));
*days_shown = g_date_days_between (start_date, &end_date);
return TRUE;
}
