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path: root/calendar/gui/dialogs/url-editor-dialog.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*
 * Author :
 *  Gary Ekker <gekker@novell.com>
 *
 * Copyright 2004 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
 */

/*
 * UrlEditorDialog - a GtkObject which handles a libglade-loaded dialog
 * to edit the calendar preference settings.
 */

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


#include "cal-prefs-dialog.h"
#include "url-editor-dialog.h"

#include <gtk/gtk.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkoptionmenu.h>
#include <gtk/gtktogglebutton.h>
#include <libgnomeui/gnome-color-picker.h>
#include <libedataserverui/e-passwords.h>
#include <glade/glade.h>
#include <e-util/e-dialog-widgets.h>
#include <e-util/e-icon-factory.h>
#include <e-util/e-util-private.h>
#include <misc/e-dateedit.h>
#include <stdlib.h>
#include <string.h>

static gboolean get_widgets (UrlDialogData *data);
static void init_widgets (UrlDialogData *data);

static void url_editor_dialog_fb_url_changed (GtkEntry *url_entry, void *data);
static void url_editor_dialog_fb_daily_toggled (GtkWidget *button, void *data);
static void url_editor_dialog_fb_url_activated (GtkEntry *url_entry, void *data);
static void url_editor_dialog_fb_ok_enable (GtkWidget *widget, void *data);

/**
 * url_editor_dialog_new:
 *
 * Creates a new #UrlEditorDialog.
 *
 * Return value: a new #UrlEditorDialog.
 **/
gboolean
url_editor_dialog_new (DialogData *dialog_data, EPublishUri *uri)
{
    int b;
    char *gladefile;
    UrlDialogData *url_dlg_data = g_new0 (UrlDialogData, 1);

    gladefile = g_build_filename (EVOLUTION_GLADEDIR,
                      "url-editor-dialog.glade",
                      NULL);
    url_dlg_data->xml = glade_xml_new (gladefile, NULL, NULL);
    g_free (gladefile);

    if (!url_dlg_data->xml) {
        g_message ("url_editor_dialog_construct(): Could not load the Glade XML file!");
        return FALSE;
    }

    if (!get_widgets (url_dlg_data)) {
        g_message ("url_editor_dialog_construct(): Could not find all widgets in the XML file!");
        return FALSE;
    }
    
    url_dlg_data->url_dialog = (GtkWidget *) dialog_data;
    url_dlg_data->url_data = uri;
    
    init_widgets (url_dlg_data);
    
    if (uri->location && uri->username) {
        if (strlen(uri->location) != 0) {
            gtk_entry_set_text (url_dlg_data->url_entry, 
                        uri->location);
        }
        if (strlen(uri->username) != 0) {
            gtk_entry_set_text (url_dlg_data->username_entry, 
                        uri->username);
        }
    }
    
    uri->password = e_passwords_get_password ("Calendar", url_dlg_data->url_data->location);
    
    if (uri->password) {
        if (strlen(uri->password) != 0) {
            gtk_entry_set_text (url_dlg_data->password_entry, 
                        uri->password);

            e_dialog_toggle_set (url_dlg_data->remember_pw, TRUE);
        } else {
            e_dialog_toggle_set (url_dlg_data->remember_pw, FALSE);
        }
    }
    
    switch (uri->publish_freq) {
        case URI_PUBLISH_DAILY:
            e_dialog_radio_set (url_dlg_data->daily, 
                        URI_PUBLISH_DAILY, 
                        pub_frequency_type_map);
            break;
        case URI_PUBLISH_WEEKLY:
            e_dialog_radio_set (url_dlg_data->daily, 
                        URI_PUBLISH_WEEKLY, 
                        pub_frequency_type_map);
            break;
        case URI_PUBLISH_USER:
        default:
            e_dialog_radio_set (url_dlg_data->daily, 
                        URI_PUBLISH_USER, 
                        pub_frequency_type_map);
    }

    dialog_data->url_editor=TRUE; 
    dialog_data->url_editor_dlg = (GtkWidget *) url_dlg_data;
    gtk_widget_set_sensitive ((GtkWidget *) url_dlg_data->ok, FALSE);
    
    b = gtk_dialog_run ((GtkDialog *) url_dlg_data->url_editor);
    
    if (b == GTK_RESPONSE_OK) {
        if ((GtkEntry *) url_dlg_data->url_entry) {
            url_editor_dialog_fb_url_activated (url_dlg_data->url_entry, url_dlg_data);
            url_dlg_data->url_data->username = g_strdup (gtk_entry_get_text ((GtkEntry *) url_dlg_data->username_entry));
            url_dlg_data->url_data->password = g_strdup (gtk_entry_get_text ((GtkEntry *) url_dlg_data->password_entry));
            if (e_dialog_toggle_get (url_dlg_data->remember_pw)) {
                e_passwords_add_password (url_dlg_data->url_data->location, url_dlg_data->url_data->password);
                e_passwords_remember_password ("Calendar", url_dlg_data->url_data->location);               
            } else {
                e_passwords_forget_password ("Calendar", url_dlg_data->url_data->location);
            }
        }
    }
    
    gtk_widget_destroy (url_dlg_data->url_editor);
    g_object_unref (url_dlg_data->xml);
    g_free (url_dlg_data);
    url_dlg_data = NULL;
    
    return FALSE;
}

static gboolean
get_widgets (UrlDialogData *data)
{
#define GW(name) glade_xml_get_widget (data->xml, name)

    data->url_editor = GW ("url_editor");
    data->calendar_list_label = GW ("calendar_list_label");
    data->url_dialog = GW ("fb_dialog");
    data->url_entry = GTK_ENTRY (GW ("url_entry"));
    data->daily = GW ("daily");
    data->weekly = GW ("weekly");
    data->user_publish = GW ("user_publish");
    data->scrolled_window =  GW ("scrolled_window");
    data->username_entry = GTK_ENTRY (GW ("username_entry"));
    data->password_entry = GTK_ENTRY (GW ("password_entry"));
    data->remember_pw = GW ("remember_pw");
    data->cancel = GW ("cancel");
    data->ok = GW ("ok");

#undef GW

    return (data ->url_editor
        && data->calendar_list_label
        && data->url_entry
        && data->daily
        && data->weekly
        && data->user_publish
        && data->scrolled_window
        && data->username_entry
        && data->password_entry
        && data->remember_pw
        && data->cancel
        && data->ok);
}

static void
selection_changed_callback (ESourceSelector *selector,
                void *data)
{
    UrlDialogData *url_dlg_data  = (UrlDialogData *) data;
    GSList *selection = e_source_selector_get_selection (selector);
    
    if (selection != NULL) {
        GSList *p, *l =  NULL;
        
        for (p = selection; p != NULL; p = p->next) {
            ESource *source = E_SOURCE(p->data);
            gchar* source_uid = g_strdup(e_source_peek_uid(source));
            
            l = g_slist_append (l, source_uid);
        }
        url_dlg_data->url_data->calendars = l;
    }
    
    e_source_selector_free_selection (selection);
    gtk_widget_set_sensitive ((GtkWidget *) url_dlg_data->ok, TRUE);
}

/* Connects any necessary signal handlers. */
static void
init_widgets (UrlDialogData *url_dlg_data)
{
    GtkWidget *selector;
    ESourceList *source_list;
    GConfClient *gconf_client;
    GList *icon_list;
    GSList *p;
    
    gtk_widget_ensure_style (url_dlg_data->url_editor);
    gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (url_dlg_data->url_editor)->vbox), 0);
    gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (url_dlg_data->url_editor)->action_area), 12);

    g_signal_connect (url_dlg_data->url_entry, "changed", 
              G_CALLBACK (url_editor_dialog_fb_url_changed), 
              url_dlg_data);
    
    g_signal_connect (url_dlg_data->username_entry, "changed", 
              G_CALLBACK (url_editor_dialog_fb_ok_enable), 
              url_dlg_data);
    
    g_signal_connect (url_dlg_data->password_entry, "changed", 
              G_CALLBACK (url_editor_dialog_fb_ok_enable), 
              url_dlg_data);
    
    g_signal_connect (url_dlg_data->remember_pw, "toggled",
              G_CALLBACK (url_editor_dialog_fb_ok_enable),
              url_dlg_data);
    
    g_signal_connect (url_dlg_data->url_entry, "activate",
              G_CALLBACK (url_editor_dialog_fb_url_activated), 
              url_dlg_data);
          
    g_signal_connect (url_dlg_data->daily, "toggled",
              G_CALLBACK (url_editor_dialog_fb_daily_toggled),
              url_dlg_data);
    
    g_signal_connect (url_dlg_data->weekly, "toggled",
              G_CALLBACK (url_editor_dialog_fb_daily_toggled),
              url_dlg_data);

    g_signal_connect (url_dlg_data->user_publish, "toggled",
              G_CALLBACK (url_editor_dialog_fb_daily_toggled),
              url_dlg_data);


    if (url_dlg_data->url_data->calendars) {
        ESource *source;
        
        gconf_client = gconf_client_get_default ();
        source_list = e_source_list_new_for_gconf (gconf_client, "/apps/evolution/calendar/sources");
        selector = e_source_selector_new (source_list);
        
        p = url_dlg_data->url_data->calendars;
        for (; p != NULL; p = p->next) {
            gchar *source_uid;

            source_uid = g_strdup (p->data);
            source =  e_source_list_peek_source_by_uid (source_list, source_uid);           
            e_source_selector_select_source ((ESourceSelector *)selector, source);
            g_free (source_uid);
        }
    } else {
        gconf_client = gconf_client_get_default ();
        source_list = e_source_list_new_for_gconf (gconf_client, "/apps/evolution/calendar/sources");
        selector = e_source_selector_new (source_list);
    }
    e_source_selector_show_selection ((ESourceSelector *) selector, TRUE);
    g_signal_connect (selector, "selection_changed", 
              G_CALLBACK (selection_changed_callback), 
              url_dlg_data);

    gtk_label_set_mnemonic_widget (GTK_LABEL (url_dlg_data->calendar_list_label),
                       selector);
    gtk_widget_show (selector);
    gtk_container_add (GTK_CONTAINER (url_dlg_data->scrolled_window), 
               selector);

    icon_list = e_icon_factory_get_icon_list ("stock_calendar");
    if (icon_list) {
        gtk_window_set_icon_list (GTK_WINDOW (url_dlg_data->url_editor), icon_list);
        g_list_foreach (icon_list, (GFunc) g_object_unref, NULL);
        g_list_free (icon_list);
    }
    
    gtk_widget_show (url_dlg_data->scrolled_window);
}

static void
url_editor_dialog_fb_daily_toggled (GtkWidget *button,
                      void *data)
{
    UrlDialogData *url_dlg_data  = (UrlDialogData *) data;
    enum publish_frequency frequency;
    
    frequency = e_dialog_radio_get (url_dlg_data->daily, 
                    pub_frequency_type_map);
    url_dlg_data->url_data->publish_freq = frequency;
    gtk_widget_set_sensitive ((GtkWidget *) url_dlg_data->ok, TRUE);
}

static gboolean
is_valid_url (const gchar *url)
{
    const gchar *p = url;

    if (strlen (url) == 0) {
        return FALSE;
    }
    while (*p) {
        if ((*p == '\\') || (*p == ' ')) {
            return FALSE;
        }
        p++;
    }
    return TRUE;
}

static void
url_editor_dialog_fb_url_activated (GtkEntry *url_entry, void *data)
{
    UrlDialogData *url_dlg_data = (UrlDialogData *) data;
    
    url_dlg_data->url_data->location = g_strdup (gtk_entry_get_text ((GtkEntry *) url_entry));
}

static void
url_editor_dialog_fb_url_changed (GtkEntry *url_entry, void *data)
{
    UrlDialogData *url_dlg_data = (UrlDialogData *) data;
    DialogData *url_dialog = (DialogData *) url_dlg_data->url_dialog;
    
    const gchar *entry_contents;
    GtkListStore *model;
    GtkTreeIter iter;
    gboolean valid;

    model = (GtkListStore *) gtk_tree_view_get_model (url_dialog->url_list);
    
    entry_contents = gtk_entry_get_text ((GtkEntry *) url_entry);
    if (!is_valid_url (entry_contents)) {
        gtk_widget_set_sensitive ((GtkWidget *) url_dlg_data->ok, FALSE);
        return;
    }
    /* duplicate check */
    valid = gtk_tree_model_get_iter_first ((GtkTreeModel *) model, &iter);
    while (valid) {
        gchar *url_name;
        gtk_tree_model_get ((GtkTreeModel *) model, &iter, 
                    URL_LIST_LOCATION_COLUMN, &url_name, 
                    -1);

        if (!g_ascii_strcasecmp (url_name, entry_contents)) {
            gtk_widget_set_sensitive ((GtkWidget *) url_dlg_data->ok, FALSE);
            return;
        }
        valid = gtk_tree_model_iter_next ((GtkTreeModel *) model, &iter);
    }
    /* valid and unique */
    gtk_widget_set_sensitive (GTK_WIDGET (url_dlg_data->ok), TRUE);
    gtk_widget_grab_default (GTK_WIDGET (url_dlg_data->ok));
    gtk_entry_set_activates_default ((GtkEntry*) url_dlg_data->url_entry, 
                    TRUE);
}

static void url_editor_dialog_fb_ok_enable (GtkWidget *widget, void *data) {
    UrlDialogData *url_dlg_data = (UrlDialogData *) data;
    
    gtk_widget_set_sensitive (GTK_WIDGET (url_dlg_data->ok), TRUE);
}