/*
* Authors: David Trowbridge <trowbrds@cs.colorado.edu>
*
* Copyright (C) 2005 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 <calendar/gui/e-cal-config.h>
#include <calendar/gui/e-cal-event.h>
#include <calendar/gui/calendar-component.h>
#include <libedataserver/e-source.h>
#include <libedataserver/e-url.h>
#include <libedataserver/e-categories.h>
#include <glib/gi18n.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <string.h>
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, ECalEventTargetComponent *data);
int e_plugin_lib_enable (EPluginLib *epl, int enable);
static GtkTreeStore *store = NULL;
#define WEATHER_BASE_URI "weather://"
int
e_plugin_lib_enable (EPluginLib *epl, int enable)
{
GList *l;
gboolean found = FALSE;
/* 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 char *)l->data, _("Weather: Cloudy"))) {
found = TRUE;
break;
}
}
if (!found) {
e_categories_add (_("Weather: Cloudy"), NULL, WEATHER_DATADIR "/category_weather_cloudy_16.png", FALSE);
e_categories_add (_("Weather: Fog"), NULL, WEATHER_DATADIR "/category_weather_fog_16.png", FALSE);
e_categories_add (_("Weather: Partly Cloudy"), NULL, WEATHER_DATADIR "/category_weather_partly_cloudy_16.png", FALSE);
e_categories_add (_("Weather: Rain"), NULL, WEATHER_DATADIR "/category_weather_rain_16.png", FALSE);
e_categories_add (_("Weather: Snow"), NULL, WEATHER_DATADIR "/category_weather_snow_16.png", FALSE);
e_categories_add (_("Weather: Sunny"), NULL, WEATHER_DATADIR "/category_weather_sun_16.png", FALSE);
e_categories_add (_("Weather: Thunderstorms"), NULL, WEATHER_DATADIR "/category_weather_tstorm_16.png", FALSE);
}
return 0;
}
void
e_calendar_weather_migrate (EPlugin *epl, ECalEventTargetComponent *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 */
CalendarComponent *component;
ESourceList *source_list;
ESourceGroup *group;
GSList *groups;
ESourceGroup *weather = NULL;
component = data->component;
source_list = calendar_component_peek_source_list (component);
groups = e_source_list_peek_groups (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 (source_list, group, -1);
weather = group;
}
if (weather)
g_object_unref (weather);
e_source_list_sync (source_list, NULL);
}
static void
parse_subtree (GtkTreeIter *parent, xmlNode *node)
{
GtkTreeIter iter;
xmlNode *child;
if (node->type == XML_ELEMENT_NODE) {
gtk_tree_store_append (store, &iter, parent);
if (strcmp ((const char *)node->name, "location") == 0) {
xmlAttr *attr;
child = node->children;
g_assert (child->type == XML_TEXT_NODE);
gtk_tree_store_set (store, &iter, 0, child->content, -1);
for (attr = node->properties; attr; attr = attr->next) {
if (strcmp ((const char *)attr->name, "code") == 0)
gtk_tree_store_set (store, &iter, 1, attr->children->content, -1);
else if (strcmp ((const char *)attr->name, "url") == 0)
gtk_tree_store_set (store, &iter, 2, attr->children->content, -1);
else if (strcmp ((const char *)attr->name, "type") == 0)
gtk_tree_store_set (store, &iter, 3, attr->children->content, -1);
}
} else {
xmlAttr *attr;
for (child = node->children; child; child = child->next)
parse_subtree (&iter, child);
for (attr = node->properties; attr; attr = attr->next)
if (strcmp ((const char *)attr->name, "name") == 0)
gtk_tree_store_set (store, &iter, 0, attr->children->content, -1);
}
}
}
static void
load_locations ()
{
xmlDoc *doc;
xmlNode *root, *child;
LIBXML_TEST_VERSION
doc = xmlParseFile (WEATHER_EDS_DATADIR "/Locations.xml");
if (doc == NULL) {
g_warning ("failed to read locations file");
return;
}
if (store == NULL)
store = gtk_tree_store_new (4,
G_TYPE_STRING, /* name */
G_TYPE_STRING, /* code */
G_TYPE_STRING, /* URL */
G_TYPE_STRING); /* type */
root = xmlDocGetRootElement (doc);
for (child = root->children; child; child = child->next)
parse_subtree (NULL, child);
xmlFreeDoc (doc);
}
static void
selection_changed (GtkTreeSelection *selection, GtkDialog *dialog)
{
GtkTreeModel *model;
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
gchar *code = NULL;
gtk_tree_model_get (model, &iter, 1, &code, -1);
if (code != NULL) {
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, TRUE);
} else {
GtkTreeView *view = gtk_tree_selection_get_tree_view (selection);
GtkTreePath *path;
path = gtk_tree_model_get_path (model, &iter);
gtk_tree_view_expand_row (view, path, FALSE);
gtk_tree_path_free (path);
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, FALSE);
}
} else {
gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, FALSE);
}
}
static struct
{
gchar **ids;
GtkTreeIter *result;
} find_data;
static gboolean
find_location_func (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *node, gpointer data)
{
gchar *type, *code, *name;
gtk_tree_model_get (model, node, 0, &name, 1, &code, 3, &type, -1);
if (name == NULL || code == NULL || type == NULL)
return FALSE;
if ((!strcmp (type, find_data.ids[0])) &&
(!strcmp (code, find_data.ids[1])) &&
(!strcmp (name, find_data.ids[2]))) {
find_data.result = gtk_tree_iter_copy (node);
return TRUE;
}
return FALSE;
}
static GtkTreeIter *
find_location (gchar *relative_url)
{
/* type/code/name */
find_data.ids = g_strsplit (relative_url, "/", -1);
find_data.result = NULL;
gtk_tree_model_foreach (GTK_TREE_MODEL (store), (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)) {
gchar *code = NULL;
gtk_tree_model_get (model, &iter, 1, &code, -1);
if (code != NULL) {
gtk_dialog_response (dialog, GTK_RESPONSE_OK);
return TRUE;
}
}
}
return FALSE;
}
static GtkDialog *
create_source_selector (ESource *source)
{
GtkWidget *dialog, *treeview, *scrolledwindow;
GtkCellRenderer *text;
GtkTreeSelection *selection;
gchar *uri_text;
EUri *uri;
/* 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 (GTK_TREE_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);
uri = e_uri_new (uri_text);
if (uri->path && strlen (uri->path)) {
GtkTreeIter *iter = find_location (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);
e_uri_free (uri);
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);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), scrolledwindow);
gtk_container_set_border_width (GTK_CONTAINER (scrolledwindow), 6);
gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 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, 0, &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, 0, &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;
gchar *type, *code, *name;
gchar *path, *uri;
gtk_tree_selection_get_selected (selection, &model, &iter);
gtk_tree_model_get (model, &iter, 0, &name, 1, &code, 3, &type, -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/%s", type, code, 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));
if (strcmp ((const char *)text, _("None")) == 0)
e_source_set_relative_uri (source, "");
}
gtk_widget_destroy (GTK_WIDGET (dialog));
}
GtkWidget *
e_calendar_weather_location (EPlugin *epl, EConfigHookItemFactoryData *data)
{
static GtkWidget *label;
GtkWidget *button, *parent, *text;
int row;
ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
ESource *source = t->source;
EUri *uri;
char *uri_text;
static GtkWidget *hidden;
if (store == NULL)
load_locations ();
if (!hidden)
hidden = gtk_label_new ("");
if (data->old)
gtk_widget_destroy (label);
uri_text = e_source_get_uri (t->source);
uri = e_uri_new (uri_text);
if (strcmp ((const char *)uri->protocol, "weather")) {
e_uri_free (uri);
return hidden;
}
parent = data->parent;
row = ((GtkTable*)parent)->nrows;
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 (uri->path && strlen (uri->path)) {
GtkTreeIter *iter = find_location (uri_text + 10);
gchar *location = build_location_path (iter);
text = gtk_label_new (location);
g_free (location);
} else
text = gtk_label_new (_("None"));
gtk_widget_show (text);
gtk_label_set_ellipsize (GTK_LABEL (text), PANGO_ELLIPSIZE_START);
gtk_container_add (GTK_CONTAINER (button), text);
e_uri_free (uri);
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;
}
static void
set_refresh_time (ESource *source, GtkWidget *spin, GtkWidget *option)
{
int time;
int item_num = 0;
const char *refresh_str = e_source_get_property (source, "refresh");
time = refresh_str ? atoi (refresh_str) : 30;
if (time && !(time % 10080)) {
/* weeks */
item_num = 3;
time /= 10080;
} else if (time && !(time % 1440)) {
/* days */
item_num = 2;
time /= 1440;
} else if (time && !(time % 60)) {
/* hours */
item_num = 1;
time /= 60;
}
gtk_option_menu_set_history (GTK_OPTION_MENU (option), item_num);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), time);
}
static char *
get_refresh_minutes (GtkWidget *spin, GtkWidget *option)
{
int setting = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spin));
switch (gtk_option_menu_get_history (GTK_OPTION_MENU (option))) {
case 0:
/* minutes */
break;
case 1:
/* hours */
setting *= 60;
break;
case 2:
/* days */
setting *= 1440;
break;
case 3:
/* weeks - is this *really* necessary? */
setting *= 10080;
break;
default:
g_warning ("Time unit out of range");
break;
}
return g_strdup_printf ("%d", setting);
}
static void
spin_changed (GtkSpinButton *spin, ECalConfigTargetSource *t)
{
char *refresh_str;
GtkWidget *option;
option = g_object_get_data (G_OBJECT (spin), "option");
refresh_str = get_refresh_minutes ((GtkWidget *) spin, option);
e_source_set_property (t->source, "refresh", refresh_str);
g_free (refresh_str);
}
static void
option_changed (GtkOptionMenu *option, ECalConfigTargetSource *t)
{
char *refresh_str;
GtkWidget *spin;
spin = g_object_get_data (G_OBJECT (option), "spin");
refresh_str = get_refresh_minutes (spin, (GtkWidget *) option);
e_source_set_property (t->source, "refresh", refresh_str);
g_free (refresh_str);
}
GtkWidget *
e_calendar_weather_refresh (EPlugin *epl, EConfigHookItemFactoryData *data)
{
static GtkWidget *label;
GtkWidget *option, *spin, *menu, *hbox, *parent;
GtkWidget *times[4];
int row, i;
ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
ESource *source = t->source;
EUri *uri;
char *uri_text;
static GtkWidget *hidden = NULL;
if (!hidden)
hidden = gtk_label_new ("");
if (data->old)
gtk_widget_destroy (label);
uri_text = e_source_get_uri (t->source);
uri = e_uri_new (uri_text);
g_free (uri_text);
if (strcmp ((const char *)uri->protocol, "weather")) {
e_uri_free (uri);
return hidden;
}
e_uri_free (uri);
parent = data->parent;
row = ((GtkTable*)parent)->nrows;
label = gtk_label_new_with_mnemonic (_("_Refresh:"));
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);
hbox = gtk_hbox_new (FALSE, 6);
gtk_widget_show (hbox);
spin = gtk_spin_button_new_with_range (0, 100, 1);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), spin);
gtk_widget_show (spin);
gtk_box_pack_start (GTK_BOX (hbox), spin, FALSE, TRUE, 0);
option = gtk_option_menu_new ();
gtk_widget_show (option);
times[0] = gtk_menu_item_new_with_label (_("minutes"));
times[1] = gtk_menu_item_new_with_label (_("hours"));
times[2] = gtk_menu_item_new_with_label (_("days"));
times[3] = gtk_menu_item_new_with_label (_("weeks"));
menu = gtk_menu_new ();
gtk_widget_show (menu);
for (i = 0; i < 4; i++) {
gtk_widget_show (times[i]);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), times[i]);
}
gtk_option_menu_set_menu (GTK_OPTION_MENU (option), menu);
set_refresh_time (source, spin, option);
gtk_box_pack_start (GTK_BOX (hbox), option, FALSE, TRUE, 0);
g_object_set_data (G_OBJECT (option), "spin", spin);
g_signal_connect (G_OBJECT (option), "changed", G_CALLBACK (option_changed), t);
g_object_set_data (G_OBJECT (spin), "option", option);
g_signal_connect (G_OBJECT (spin), "value-changed", G_CALLBACK (spin_changed), t);
gtk_table_attach (GTK_TABLE (parent), hbox, 1, 2, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0);
return hbox;
}
static void
set_units (ESource *source, GtkWidget *option)
{
const char *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_option_menu_set_history (GTK_OPTION_MENU (option), 0);
} else if (strcmp ((const char *)format, "fahrenheit") == 0) {
/* old format, convert */
e_source_set_property (source, "units", "imperial");
gtk_option_menu_set_history (GTK_OPTION_MENU (option), 1);
} else {
e_source_set_property (source, "units", "metric");
gtk_option_menu_set_history (GTK_OPTION_MENU (option), 0);
}
} else {
if (strcmp ((const char *)format, "metric") == 0)
gtk_option_menu_set_history (GTK_OPTION_MENU (option), 0);
else
gtk_option_menu_set_history (GTK_OPTION_MENU (option), 1);
}
}
static void
units_changed (GtkOptionMenu *option, ECalConfigTargetSource *t)
{
int choice = gtk_option_menu_get_history (GTK_OPTION_MENU (option));
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)
{
static GtkWidget *label;
GtkWidget *option, *menu, *parent;
GtkWidget *formats[2];
int row, i;
ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
ESource *source = t->source;
EUri *uri;
char *uri_text;
static GtkWidget *hidden = NULL;
if (!hidden)
hidden = gtk_label_new ("");
if (data->old)
gtk_widget_destroy (label);
uri_text = e_source_get_uri (t->source);
uri = e_uri_new (uri_text);
g_free (uri_text);
if (strcmp ((const char *)uri->protocol, "weather")) {
e_uri_free (uri);
return hidden;
}
e_uri_free (uri);
parent = data->parent;
row = ((GtkTable*)parent)->nrows;
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);
option = gtk_option_menu_new ();
gtk_widget_show (option);
formats[0] = gtk_menu_item_new_with_label (_("Metric (Celsius, cm, etc)"));
formats[1] = gtk_menu_item_new_with_label (_("Imperial (Fahrenheit, inches, etc)"));
menu = gtk_menu_new ();
gtk_widget_show (menu);
for (i = 0; i < 2; i++) {
gtk_widget_show (formats[i]);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), formats[i]);
}
gtk_option_menu_set_menu (GTK_OPTION_MENU (option), menu);
set_units (source, option);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), option);
g_signal_connect (G_OBJECT (option), "changed", G_CALLBACK (units_changed), t);
gtk_table_attach (GTK_TABLE (parent), option, 1, 2, row, row+1, GTK_FILL, 0, 0, 0);
return option;
}
gboolean
e_calendar_weather_check (EPlugin *epl, EConfigHookPageCheckData *data)
{
/* FIXME - check pageid */
ECalConfigTargetSource *t = (ECalConfigTargetSource *) data->target;
EUri *uri;
gboolean ok = FALSE;
ESourceGroup *group = e_source_peek_group (t->source);
/* always return TRUE if this isn't a weather source */
if (strncmp (e_source_group_peek_base_uri (group), "weather", 7))
return TRUE;
uri = e_uri_new (e_source_get_uri (t->source));
/* make sure that the protocol is weather:// and that the path isn't empty */
ok = (uri->path && strlen (uri->path));
e_uri_free (uri);
return ok;
}
