/*
* Authors: David Trowbridge <trowbrds@cs.colorado.edu>
*
* 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 the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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.
*
*/
#include <gtk/gtk.h>
#include <e-util/e-config.h>
#include <e-util/e-icon-factory.h>
#include <e-util/e-plugin-util.h>
#include <calendar/gui/e-cal-config.h>
#include <calendar/gui/e-cal-event.h>
#include <libedataserver/e-source.h>
#include <libedataserver/e-categories.h>
#include <glib/gi18n.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <string.h>
#define GWEATHER_I_KNOW_THIS_IS_UNSTABLE
#include <libgweather/weather.h>
#include <libgweather/gweather-xml.h>
#undef GWEATHER_I_KNOW_THIS_IS_UNSTABLE
GtkWidget *e_calendar_weather_location (EPlugin *epl, EConfigHookItemFactoryData *data);
GtkWidget *e_calendar_weather_refresh (EPlugin *epl, EConfigHookItemFactoryData *data);
GtkWidget *e_calendar_weather_units (EPlugin *epl, EConfigHookItemFactoryData *data);
gboolean e_calendar_weather_check (EPlugin *epl, EConfigHookPageCheckData *data);
void e_calendar_weather_migrate (EPlugin *epl, ECalEventTargetBackend *data);
gint e_plugin_lib_enable (EPlugin *epl, gint enable);
#define WEATHER_BASE_URI "weather://"
gint
e_plugin_lib_enable (EPlugin *epl, gint enable)
{
GList *l;
const gchar *tmp;
gint ii;
static struct {
const gchar *description;
const gchar *icon_name;
} categories[] = {
{ N_("Weather: Fog"), "weather-fog" },
{ N_("Weather: Cloudy"), "weather-few-clouds" },
{ N_("Weather: Cloudy Night"), "weather-few-clouds-night" },
{ N_("Weather: Overcast"), "weather-overcast" },
{ N_("Weather: Showers"), "weather-showers" },
{ N_("Weather: Snow"), "weather-snow" },
{ N_("Weather: Sunny"), "weather-clear" },
{ N_("Weather: Clear Night"), "weather-clear-night" },
{ N_("Weather: Thunderstorms"), "weather-storm" },
{ NULL, NULL }
};
tmp = _(categories [0].description);
/* Add the categories icons if we don't have them. */
for (l = e_categories_get_list (); l; l = g_list_next (l)) {
if (!strcmp ((const gchar *)l->data, tmp))
goto exit;
}
for (ii = 0; categories[ii].description; ii++) {
gchar *filename;
filename = e_icon_factory_get_icon_filename (
categories[ii].icon_name, GTK_ICON_SIZE_MENU);
e_categories_add (
_(categories[ii].description), NULL, filename, FALSE);
g_free (filename);
}
exit:
return 0;
}
void
e_calendar_weather_migrate (EPlugin *epl, ECalEventTargetBackend *data)
{
/* Perform a migration step here. This allows us to keep the weather calendar completely
* separate from evolution. If the plugin isn't built, the weather source group won't
* show up in the user's evolution. If it is, this will create it if it doesn't exist */
ESourceGroup *group;
GSList *groups;
ESourceGroup *weather = NULL;
groups = e_source_list_peek_groups (data->source_list);
if (groups) {
/* groups are already there, we need to search */
GSList *g;
for (g = groups; g; g = g_slist_next (g)) {
group = E_SOURCE_GROUP (g->data);
if (!weather && !strcmp (WEATHER_BASE_URI, e_source_group_peek_base_uri (group)))
weather = g_object_ref (group);
}
}
if (!weather) {
group = e_source_group_new (_("Weather"), WEATHER_BASE_URI);
e_source_list_add_group (data->source_list, group, -1);
weather = group;
}
if (weather)
g_object_unref (weather);
e_source_list_sync (data->source_list, NULL);
}
static void
selection_changed (GtkTreeSelection *selection, GtkDialog *dialog)
{
GtkTreeModel *model;
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
WeatherLocation *loc = NULL;
gtk_tree_model_get (model, &iter, GWEATHER_XML_COL_POINTER, &loc, -1);
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, loc != NULL);
} else {
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, FALSE);
}
}
static struct
{
gboolean is_old;
gchar **ids;
GtkTreeIter *result;
} find_data;
static gboolean
find_location_func (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *node, gpointer data)
{
WeatherLocation *wl = NULL;
gtk_tree_model_get (model, node, GWEATHER_XML_COL_POINTER, &wl, -1);
if (!wl || !wl->name || !wl->code)
return FALSE;
if (((!strcmp (wl->code, find_data.ids[0])) || (find_data.is_old && !strcmp (wl->code + 1, find_data.ids[0]))) &&
(!strcmp (wl->name, find_data.ids[1]))) {
find_data.result = gtk_tree_iter_copy (node);
return TRUE;
}
return FALSE;
}
static GtkTreeIter *
find_location (GtkTreeModel *model, gchar *relative_url)
{
/* old URL uses type/code/name, but new uses only code/name */
if (strncmp (relative_url, "ccf/", 4) == 0) {
relative_url = relative_url + 4;
find_data.is_old = TRUE;
} else
find_data.is_old = FALSE;
find_data.ids = g_strsplit (relative_url, "/", -1);
find_data.result = NULL;
gtk_tree_model_foreach (model, (GtkTreeModelForeachFunc) find_location_func, NULL);
g_strfreev (find_data.ids);
return find_data.result;
}
static gboolean
treeview_clicked (GtkTreeView *treeview, GdkEventButton *event, GtkDialog *dialog)
{
if (event->type == GDK_2BUTTON_PRESS) {
GtkTreeSelection *selection = gtk_tree_view_get_selection (treeview);
GtkTreeModel *model;
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
WeatherLocation *wl = NULL;
gtk_tree_model_get (model, &iter, GWEATHER_XML_COL_POINTER, &wl, -1);
if (wl != NULL && wl->code != NULL && wl->name != NULL) {
gtk_dialog_response (dialog, GTK_RESPONSE_OK);
return TRUE;
}
}
}
return FALSE;
}
static GtkTreeModel *store = NULL;
static GtkDialog *
create_source_selector (ESource *source)
{
GtkWidget *dialog, *treeview, *scrolledwindow;
GtkWidget *content_area;
GtkCellRenderer *text;
GtkTreeSelection *selection;
gchar *uri_text;
SoupURI *suri;
/* FIXME - should show an error here if it fails*/
if (store == NULL)
return NULL;
dialog = gtk_dialog_new_with_buttons (
_("Select a location"),
NULL, GTK_DIALOG_MODAL,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_container_set_border_width (GTK_CONTAINER (dialog), 6);
scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_widget_show (scrolledwindow);
treeview = gtk_tree_view_new_with_model (store);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), FALSE);
gtk_widget_show (treeview);
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolledwindow), treeview);
gtk_widget_add_events (treeview, GDK_BUTTON_PRESS);
g_signal_connect (G_OBJECT (treeview), "button-press-event", G_CALLBACK (treeview_clicked), dialog);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
uri_text = e_source_get_uri (source);
suri = soup_uri_new (uri_text);
if (suri && suri->path && *suri->path) {
GtkTreeIter *iter = find_location (store, uri_text + 10);
GtkTreePath *path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), iter);
gtk_tree_view_expand_to_path (GTK_TREE_VIEW (treeview), path);
gtk_tree_selection_select_path (selection, path);
gtk_tree_path_free (path);
}
g_free (uri_text);
if (suri)
soup_uri_free (suri);
g_signal_connect (G_OBJECT (selection), "changed", G_CALLBACK (selection_changed), dialog);
g_object_set_data (G_OBJECT (dialog), "treeview", treeview);
text = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), -1, "location", text, "text", 0, NULL);
content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
gtk_container_add (GTK_CONTAINER (content_area), scrolledwindow);
gtk_container_set_border_width (GTK_CONTAINER (scrolledwindow), 6);
gtk_box_set_spacing (GTK_BOX (content_area), 6);
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, FALSE);
gtk_window_set_default_size (GTK_WINDOW (dialog), 420, 340);
return GTK_DIALOG (dialog);
}
static gchar *
build_location_path (GtkTreeIter *iter)
{
GtkTreeIter parent;
gchar *path, *temp1, *temp2;
gtk_tree_model_get (GTK_TREE_MODEL (store), iter, GWEATHER_XML_COL_LOC, &temp1, -1);
path = g_strdup (temp1);
while (gtk_tree_model_iter_parent (GTK_TREE_MODEL (store), &parent, iter)) {
gtk_tree_model_get (GTK_TREE_MODEL (store), &parent, GWEATHER_XML_COL_LOC, &temp1, -1);
temp2 = g_strdup_printf ("%s : %s", temp1, path);
g_free (path);
path = temp2;
iter = gtk_tree_iter_copy (&parent);
}
return path;
}
static void
location_clicked (GtkButton *button, ESource *source)
{
GtkDialog *dialog = create_source_selector (source);
gint response;
if (dialog == NULL)
return;
response = gtk_dialog_run (dialog);
if (response == GTK_RESPONSE_OK) {
GtkTreeView *view = GTK_TREE_VIEW (g_object_get_data (G_OBJECT (dialog), "treeview"));
GtkTreeSelection *selection = gtk_tree_view_get_selection (view);
GtkTreeModel *model;
GtkTreeIter iter;
GtkWidget *label;
WeatherLocation *wl = NULL;
gchar *path, *uri;
gtk_tree_selection_get_selected (selection, &model, &iter);
gtk_tree_model_get (model, &iter, GWEATHER_XML_COL_POINTER, &wl, -1);
path = build_location_path (&iter);
label = gtk_bin_get_child (GTK_BIN (button));
gtk_label_set_text (GTK_LABEL (label), path);
uri = g_strdup_printf ("%s/%s", wl->code, wl->name);
/* FIXME - url_encode (&uri); */
e_source_set_relative_uri (source, uri);
g_free (uri);
} else {
GtkWidget *label;
const gchar *text;
label = GTK_WIDGET (gtk_bin_get_child (GTK_BIN (button)));
text = gtk_label_get_text (GTK_LABEL (label));
/* Translators: "None" location for a weather calendar */
if (strcmp ((const gchar *)text, C_("weather-cal-location", "None")) == 0)
e_source_set_relative_uri (source, "");
}
gtk_widget_destroy (GTK_WIDGET (dialog));
}
GtkWidget *
e_calendar_weather_location (EPlugin *epl, EConfigHookItemFactoryData *data)
{
GtkWidget *button, *parent, *text, *label;
guint row;
ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
ESource *source = t->source;
SoupURI *suri;
gchar *uri_text;
if (!e_plugin_util_is_source_proto (t->source, "weather"))
return NULL;
if (store == NULL)
store = gweather_xml_load_locations ();
uri_text = e_source_get_uri (t->source);
suri = soup_uri_new (uri_text);
parent = data->parent;
g_object_get (parent, "n-rows", &row, NULL);
label = gtk_label_new_with_mnemonic (_("_Location:"));
gtk_widget_show (label);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (parent), label, 0, 1, row, row+1, GTK_FILL, 0, 0, 0);
button = gtk_button_new ();
g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (location_clicked), source);
gtk_widget_show (button);
if (suri && suri->path && *suri->path) {
GtkTreeIter *iter = find_location (store, uri_text + 10);
gchar *location = build_location_path (iter);
text = gtk_label_new (location);
g_free (location);
} else {
text = gtk_label_new (C_("weather-cal-location", "None"));
}
gtk_widget_show (text);
gtk_label_set_ellipsize (GTK_LABEL (text), PANGO_ELLIPSIZE_START);
gtk_container_add (GTK_CONTAINER (button), text);
if (suri)
soup_uri_free (suri);
g_free (uri_text);
gtk_table_attach (GTK_TABLE (parent), button, 1, 2, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0);
return button;
}
GtkWidget *
e_calendar_weather_refresh (EPlugin *epl, EConfigHookItemFactoryData *data)
{
ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
if (!e_plugin_util_is_source_proto (t->source, "weather"))
return NULL;
return e_plugin_util_add_refresh (data->parent, _("Re_fresh:"), t->source, "refresh");
}
static void
set_units (ESource *source, GtkWidget *combobox)
{
const gchar *format = e_source_get_property (source, "units");
if (format == NULL) {
format = e_source_get_property (source, "temperature");
if (format == NULL) {
e_source_set_property (source, "units", "metric");
gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);
} else if (strcmp ((const gchar *)format, "fahrenheit") == 0) {
/* old format, convert */
e_source_set_property (source, "units", "imperial");
gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 1);
} else {
e_source_set_property (source, "units", "metric");
gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);
}
} else {
if (strcmp ((const gchar *)format, "metric") == 0)
gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);
else
gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 1);
}
}
static void
units_changed (GtkComboBox *combobox, ECalConfigTargetSource *t)
{
gint choice = gtk_combo_box_get_active (GTK_COMBO_BOX (combobox));
if (choice == 0)
e_source_set_property (t->source, "units", "metric");
else
e_source_set_property (t->source, "units", "imperial");
}
GtkWidget *
e_calendar_weather_units (EPlugin *epl, EConfigHookItemFactoryData *data)
{
GtkWidget *combobox, *parent, *label;
guint row;
ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
ESource *source = t->source;
if (!e_plugin_util_is_source_proto (t->source, "weather"))
return NULL;
parent = data->parent;
g_object_get (parent, "n-rows", &row, NULL);
label = gtk_label_new_with_mnemonic (_("_Units:"));
gtk_widget_show (label);
gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
gtk_table_attach (GTK_TABLE (parent), label, 0, 1, row, row+1, GTK_FILL, 0, 0, 0);
combobox = gtk_combo_box_new_text ();
gtk_widget_show (combobox);
gtk_combo_box_append_text (GTK_COMBO_BOX (combobox), _("Metric (Celsius, cm, etc)"));
gtk_combo_box_append_text (GTK_COMBO_BOX (combobox), _("Imperial (Fahrenheit, inches, etc)"));
set_units (source, combobox);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), combobox);
g_signal_connect (G_OBJECT (combobox), "changed", G_CALLBACK (units_changed), t);
gtk_table_attach (GTK_TABLE (parent), combobox, 1, 2, row, row+1, GTK_FILL, 0, 0, 0);
return combobox;
}
gboolean
e_calendar_weather_check (EPlugin *epl, EConfigHookPageCheckData *data)
{
/* FIXME - check pageid */
ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
SoupURI *suri;
gboolean ok = FALSE;
/* always return TRUE if this isn't a weather source */
if (!e_plugin_util_is_group_proto (e_source_peek_group (t->source), "weather"))
return TRUE;
suri = soup_uri_new (e_source_get_uri (t->source));
/* make sure that the protocol is weather:// and that the path isn't empty */
ok = suri && suri->path && *suri->path;
if (suri)
soup_uri_free (suri);
return ok;
}
