path: root/mail/subscribe-dialog.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * subscribe-dialog.c: Subscribe dialog
 *
 * Author:
 *   Chris Toshok (toshok@helixcode.com)
 *
 * (C) 2000 Helix Code, Inc.
 */
#include <config.h>
#include <gnome.h>
#include "subscribe-dialog.h"
#include "e-util/e-html-utils.h"
#include "e-title-bar.h"
#include <gtkhtml/gtkhtml.h>
#include <gal/util/e-util.h>
#include <gal/widgets/e-unicode.h>
#include <gal/e-table/e-cell-text.h>
#include <gal/e-table/e-cell-tree.h>
#include <gal/e-table/e-cell-toggle.h>
#include <gal/e-table/e-table-scrolled.h>
#include <gal/e-table/e-tree-simple.h>
#include <gal/e-paned/e-hpaned.h>
#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-object.h>
#include <bonobo/bonobo-generic-factory.h>
#include <bonobo/bonobo-control.h> 
#include <bonobo/bonobo-ui-component.h>
#include <bonobo/bonobo-ui-util.h>
#include <bonobo/bonobo-widget.h>

#include "art/empty.xpm"
#include "art/mark.xpm"

#define DEFAULT_STORAGE_SET_WIDTH         150
#define DEFAULT_WIDTH                     500
#define DEFAULT_HEIGHT                    300

#define PARENT_TYPE (gtk_object_get_type ())

#define ETABLE_SPEC "<ETableSpecification>                             \
    <columns-shown>                                    \
        <column> 0 </column>                       \
        <column> 1 </column>                       \
        <column> 2 </column>                       \
    </columns-shown>                                   \
    <grouping></grouping>                                         \
</ETableSpecification>"

enum {
    COL_FOLDER_NAME,
    COL_FOLDER_SUBSCRIBED,
    COL_FOLDER_DESCRIPTION,
    COL_LAST
};

/*
 * Virtual Column list:
 * 0   Folder Name
 * 1   Subscribed
 * 2   Description
 */
char *headers [COL_LAST] = {
  "Folder",
  "Subscribed",
  "Description",
};

/* per node structure */
typedef struct {
    gboolean subscribed;
} SubscribeData;


static GtkObjectClass *subscribe_dialog_parent_class;

static void subscribe_close (BonoboUIHandler *uih, void *user_data, const char *path);
static void subscribe_select_all (BonoboUIHandler *uih, void *user_data, const char *path);
static void subscribe_unselect_all (BonoboUIHandler *uih, void *user_data, const char *path);
static void subscribe_folder (GtkWidget *widget, gpointer user_data);
static void unsubscribe_folder (GtkWidget *widget, gpointer user_data);
static void subscribe_refresh_list (GtkWidget *widget, gpointer user_data);
static void subscribe_search (GtkWidget *widget, gpointer user_data);

static BonoboUIVerb verbs [] = {
    /* File Menu */
    BONOBO_UI_VERB ("FileCloseWin", subscribe_close),

    /* Edit Menu */
    BONOBO_UI_VERB ("EditSelectAll", subscribe_select_all),
    BONOBO_UI_VERB ("EditUnSelectAll", subscribe_unselect_all),
    
    /* Folder Menu / Toolbar */
    BONOBO_UI_VERB ("SubscribeFolder", subscribe_folder),
    BONOBO_UI_VERB ("UnsubscribeFolder", unsubscribe_folder),

    /* Toolbar Specific */
    BONOBO_UI_VERB ("RefreshList", subscribe_refresh_list),

    BONOBO_UI_VERB_END
};

static void
set_pixmap (Bonobo_UIContainer container,
        const char        *xml_path,
        const char        *icon)
{
    char *path;
    GdkPixbuf *pixbuf;

    path = g_concat_dir_and_file (EVOLUTION_DATADIR "/images/evolution/buttons", icon);

    pixbuf = gdk_pixbuf_new_from_file (path);
    g_return_if_fail (pixbuf != NULL);

    bonobo_ui_util_set_pixbuf (container, xml_path, pixbuf);

    gdk_pixbuf_unref (pixbuf);

    g_free (path);
}

static void
update_pixmaps (Bonobo_UIContainer container)
{
    set_pixmap (container, "/Toolbar/SubscribeFolder", "fetch-mail.png"); /* XXX */
    set_pixmap (container, "/Toolbar/UnsubscribeFolder", "compose-message.png"); /* XXX */
    set_pixmap (container, "/Toolbar/RefreshList", "forward.png"); /* XXX */
}

static GtkWidget*
make_folder_search_widget (GtkSignalFunc start_search_func,
               gpointer user_data_for_search)
{
    GtkWidget *search_hbox = gtk_hbox_new (FALSE, 0);
    GtkWidget *search_entry = gtk_entry_new ();

    if (start_search_func) {
        gtk_signal_connect (GTK_OBJECT (search_entry), "activate",
                    start_search_func,
                    user_data_for_search);
    }
    
    /* add the search entry to the our search_vbox */
    gtk_box_pack_start (GTK_BOX (search_hbox),
                gtk_label_new(_("Display folders containing:")),
                FALSE, TRUE, 0);
    gtk_box_pack_start (GTK_BOX (search_hbox), search_entry,
                FALSE, TRUE, 3);

    return search_hbox;
}



static void
subscribe_close (BonoboUIHandler *uih,
         void *user_data, const char *path)
{
    SubscribeDialog *sc = (SubscribeDialog*)user_data;

    gtk_widget_destroy (sc->app);
}

static void
subscribe_select_all (BonoboUIHandler *uih,
              void *user_data, const char *path)
{
}

static void
subscribe_unselect_all (BonoboUIHandler *uih,
            void *user_data, const char *path)
{
}

static void
subscribe_folder_foreach (int model_row, gpointer closure)
{
    SubscribeDialog *sc = SUBSCRIBE_DIALOG (closure);
    ETreePath *node = e_tree_model_node_at_row (sc->model, model_row);
    SubscribeData *data = e_tree_model_node_get_data (sc->model, node);

    printf ("subscribe: row %d, node_data %p\n", model_row,
        e_tree_model_node_get_data (sc->model, node));

    data->subscribed = TRUE;

    e_tree_model_node_changed (sc->model, node);
}

static void
subscribe_folder (GtkWidget *widget, gpointer user_data)
{
    SubscribeDialog *sc = SUBSCRIBE_DIALOG (user_data);

    e_table_selected_row_foreach (E_TABLE_SCROLLED(sc->etable)->table,
                      subscribe_folder_foreach, sc);
}

static void
unsubscribe_folder_foreach (int model_row, gpointer closure)
{
    SubscribeDialog *sc = SUBSCRIBE_DIALOG (closure);
    ETreePath *node = e_tree_model_node_at_row (sc->model, model_row);
    SubscribeData *data = e_tree_model_node_get_data (sc->model, node);

    printf ("unsubscribe: row %d, node_data %p\n", model_row,
        e_tree_model_node_get_data (sc->model, node));

    data->subscribed = FALSE;

    e_tree_model_node_changed (sc->model, node);
}


static void
unsubscribe_folder (GtkWidget *widget, gpointer user_data)
{
    SubscribeDialog *sc = SUBSCRIBE_DIALOG (user_data);

    e_table_selected_row_foreach (E_TABLE_SCROLLED(sc->etable)->table,
                      unsubscribe_folder_foreach, sc);
}

static void
subscribe_refresh_list (GtkWidget *widget, gpointer user_data)
{
    printf ("subscribe_refresh_list\n");
}

static void
subscribe_search (GtkWidget *widget, gpointer user_data)
{
    char* search_pattern = e_utf8_gtk_entry_get_text(GTK_ENTRY(widget));

    printf ("subscribe_search (%s)\n", search_pattern);

    g_free (search_pattern);
}


/* HTML Helpers */
static void
html_size_req (GtkWidget *widget, GtkRequisition *requisition)
{
    if (GTK_LAYOUT (widget)->height > 90)
        requisition->height = 90;
    else
        requisition->height = GTK_LAYOUT (widget)->height;
}

/* Returns a GtkHTML which is already inside a GtkScrolledWindow. If
 * @white is TRUE, the GtkScrolledWindow will be inside a GtkFrame.
 */
static GtkWidget *
html_new (gboolean white)
{
    GtkWidget *html, *scrolled, *frame;
    GtkStyle *style;
    
    html = gtk_html_new ();
    GTK_LAYOUT (html)->height = 0;
    gtk_signal_connect (GTK_OBJECT (html), "size_request",
                GTK_SIGNAL_FUNC (html_size_req), NULL);
    gtk_html_set_editable (GTK_HTML (html), FALSE);
    style = gtk_rc_get_style (html);
    if (style) {
        gtk_html_set_default_background_color (GTK_HTML (html),
                               white ? &style->white :
                               &style->bg[0]);
    }
    gtk_widget_set_sensitive (html, FALSE);
    scrolled = gtk_scrolled_window_new (NULL, NULL);
    gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
                    GTK_POLICY_NEVER,
                    GTK_POLICY_NEVER);
    gtk_container_add (GTK_CONTAINER (scrolled), html);
    
    if (white) {
        frame = gtk_frame_new (NULL);
        gtk_frame_set_shadow_type (GTK_FRAME (frame),
                       GTK_SHADOW_ETCHED_IN);
        gtk_container_add (GTK_CONTAINER (frame), scrolled);
        gtk_widget_show_all (frame);
    } else
        gtk_widget_show_all (scrolled);
    
    return html;
}

static void
put_html (GtkHTML *html, char *text)
{
    GtkHTMLStream *handle;
    
    text = e_text_to_html (text, (E_TEXT_TO_HTML_CONVERT_NL |
                      E_TEXT_TO_HTML_CONVERT_SPACES |
                      E_TEXT_TO_HTML_CONVERT_URLS));
    handle = gtk_html_begin (html);
    gtk_html_write (html, handle, "<HTML><BODY>", 12);
    gtk_html_write (html, handle, text, strlen (text));
    gtk_html_write (html, handle, "</BODY></HTML>", 14);
    g_free (text);
    gtk_html_end (html, handle, GTK_HTML_STREAM_OK);
}



/* etable stuff for the subscribe ui */

static int
etable_col_count (ETableModel *etm, void *data)
{
    return COL_LAST;
}

static void*
etable_duplicate_value (ETableModel *etm, int col, const void *val, void *data)
{
    return g_strdup (val);
}

static void
etable_free_value (ETableModel *etm, int col, void *val, void *data)
{
    g_free (val);
}

static void*
etable_init_value (ETableModel *etm, int col, void *data)
{
    return g_strdup ("");
}

static gboolean
etable_value_is_empty (ETableModel *etm, int col, const void *val, void *data)
{
    return !(val && *(char *)val);
}

static char*
etable_value_to_string (ETableModel *etm, int col, const void *val, void *data)
{
    return g_strdup(val);
}

static GdkPixbuf*
etree_icon_at (ETreeModel *etree, ETreePath *path, void *model_data)
{
    return NULL; /* XXX no icons for now */
}

static void*
etree_value_at (ETreeModel *etree, ETreePath *path, int col, void *model_data)
{
    SubscribeData *data = e_tree_model_node_get_data (etree, path);
    if (col == COL_FOLDER_NAME)
        return "Folder Name";
    else if (col == COL_FOLDER_DESCRIPTION)
        return "Folder Description";
    else /* COL_FOLDER_SUBSCRIBED */
        return GINT_TO_POINTER(data->subscribed);
}

static void
etree_set_value_at (ETreeModel *etree, ETreePath *path, int col, const void *val, void *model_data)
{
    /* nothing */
}

static gboolean
etree_is_editable (ETreeModel *etree, ETreePath *path, int col, void *model_data)
{
    return FALSE;
}



static void
storage_selected_cb (EvolutionStorageSetViewListener *listener,
             const char *uri)
{
    printf ("user selected storage '%s'\n", uri);
}



#define EXAMPLE_DESCR "And the beast shall come forth surrounded by a roiling cloud of vengeance.\n" \
"  The house of the unbelievers shall be razed and they shall be scorched to the\n" \
"          earth. Their tags shall blink until the end of days. \n" \
"                 from The Book of Mozilla, 12:10"

static void
subscribe_dialog_gui_init (SubscribeDialog *sc)
{
    int i;
    ECell *cells[3];
    ETableHeader *e_table_header;
    GdkPixbuf *toggles[2];
    BonoboUIComponent *component;
    Bonobo_UIContainer container;
    GtkWidget         *folder_search_widget, *vbox, *storage_set_title_bar;
    BonoboControl     *search_control;
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    /* Construct the app */
    sc->app = bonobo_win_new ("subscribe-dialog", "Manage Subscriptions");

    /* Build the menu and toolbar */
    sc->uih = bonobo_ui_handler_new ();
    if (!sc->uih) {
        g_message ("subscribe_dialog_gui_init(): eeeeek, could not create the UI handler!");
        return;
    }

    bonobo_ui_handler_set_app (sc->uih, BONOBO_WIN (sc->app));

    /* set up the bonobo stuff */
    component = bonobo_ui_compat_get_component (sc->uih);
    container = bonobo_ui_compat_get_container (sc->uih);
    
    bonobo_ui_component_add_verb_list_with_data (
        component, verbs, sc);

    bonobo_ui_container_freeze (container, NULL);

    bonobo_ui_util_set_ui (component, container,
                   EVOLUTION_DATADIR,
                   "evolution-subscribe.xml",
                   "evolution-subscribe");

    update_pixmaps (container);

    bonobo_ui_container_thaw (container, NULL);

    sc->storage_set_control = Evolution_Shell_create_storage_set_view (sc->shell, &ev);
    sc->storage_set_view = Bonobo_Unknown_query_interface (sc->storage_set_control,
                                   "IDL:Evolution/StorageSetView:1.0",
                                   &ev);

    /* we just want to show storages */
    Evolution_StorageSetView__set_show_folders (sc->storage_set_view, FALSE, &ev);

    sc->storage_set_view_widget = bonobo_widget_new_control_from_objref (sc->storage_set_control,
                                         container);


    /* we also want a listener so we can tell when storages are selected */
    sc->listener = evolution_storage_set_view_listener_new ();

    gtk_signal_connect (GTK_OBJECT(sc->listener),
                "storage_selected",
                storage_selected_cb, sc);

    Evolution_StorageSetView_add_listener (sc->storage_set_view,
                           evolution_storage_set_view_listener_corba_objref (sc->listener),
                           &ev);

    sc->table = gtk_table_new (1, 2, FALSE);

    sc->hpaned = e_hpaned_new ();
    vbox = gtk_vbox_new (FALSE, 0);

    storage_set_title_bar = e_title_bar_new (_("Storages"));
    e_title_bar_show_button (E_TITLE_BAR (storage_set_title_bar), FALSE);

    gtk_box_pack_start (GTK_BOX (vbox), storage_set_title_bar, FALSE, FALSE, 0);
    gtk_box_pack_start (GTK_BOX (vbox), sc->storage_set_view_widget, TRUE, TRUE, 0);

    e_paned_add1 (E_PANED (sc->hpaned), vbox);
    e_paned_add2 (E_PANED (sc->hpaned), sc->table);
    e_paned_set_position (E_PANED (sc->hpaned), DEFAULT_STORAGE_SET_WIDTH);

    bonobo_win_set_contents (BONOBO_WIN (sc->app), sc->hpaned);

    folder_search_widget = make_folder_search_widget (subscribe_search, sc);
    gtk_widget_show_all (folder_search_widget);
    search_control = bonobo_control_new (folder_search_widget);

    bonobo_ui_container_object_set (container,
                    "/Toolbar/FolderSearch",
                    bonobo_object_corba_objref (BONOBO_OBJECT (search_control)),
                    NULL);
                    
    /* set our our contents */
    sc->description = html_new (TRUE);
    put_html (GTK_HTML (sc->description), EXAMPLE_DESCR);

    gtk_table_attach (
        GTK_TABLE (sc->table), sc->description->parent->parent,
        0, 1, 0, 1,
        GTK_FILL | GTK_EXPAND,
        0,
        0, 0);

    sc->model = e_tree_simple_new (etable_col_count,
                       etable_duplicate_value,
                       etable_free_value,
                       etable_init_value,
                       etable_value_is_empty,
                       etable_value_to_string,
                       etree_icon_at,
                       etree_value_at,
                       etree_set_value_at,
                       etree_is_editable,
                       sc);

    sc->root = e_tree_model_node_insert (sc->model, NULL,
                         0, NULL);

    e_tree_model_root_node_set_visible (sc->model, FALSE);


    for (i = 0; i < 100; i ++) {
        SubscribeData *data = g_new (SubscribeData, 1);
        data->subscribed = FALSE;
        e_tree_model_node_insert (sc->model, sc->root,
                      0, data);
    }

    e_table_header = e_table_header_new ();

    toggles[0] = gdk_pixbuf_new_from_xpm_data ((const char **)empty_xpm);
    toggles[1] = gdk_pixbuf_new_from_xpm_data ((const char **)mark_xpm);

    cells[2] = e_cell_text_new (E_TABLE_MODEL(sc->model), NULL, GTK_JUSTIFY_LEFT);
    cells[1] = e_cell_toggle_new (0, 2, toggles);
    cells[0] = e_cell_tree_new (E_TABLE_MODEL(sc->model),
                    NULL, NULL,
                    TRUE, cells[2]);

    for (i = 0; i < COL_LAST; i++) {
        /* Create the column. */
        ETableCol *ecol;

        if (i == 1)
            ecol = e_table_col_new_with_pixbuf (i, toggles[1],
                                0, gdk_pixbuf_get_width (toggles[1]),
                                cells[i], g_str_compare, FALSE);
        else 
            ecol = e_table_col_new (i, headers [i],
                        80, 20,
                        cells[i],
                        g_str_compare, TRUE);
        /* Add it to the header. */
        e_table_header_add_column (e_table_header, ecol, i);
    }

    sc->etable = e_table_scrolled_new (e_table_header, E_TABLE_MODEL(sc->model), ETABLE_SPEC);

    gtk_object_set (GTK_OBJECT (E_TABLE_SCROLLED (sc->etable)->table),
            "cursor_mode", E_TABLE_CURSOR_LINE,
            NULL);
    gtk_object_set (GTK_OBJECT (cells[2]),
            "bold_column", COL_FOLDER_SUBSCRIBED,
            NULL);
    gtk_table_attach (
        GTK_TABLE (sc->table), sc->etable,
        0, 1, 1, 3,
        GTK_FILL | GTK_EXPAND,
        GTK_FILL | GTK_EXPAND,
        0, 0);
    
    gtk_widget_show (sc->description);
    gtk_widget_show (sc->etable);
    gtk_widget_show (sc->table);
    gtk_widget_show (sc->storage_set_view_widget);
    gtk_widget_show (storage_set_title_bar);
    gtk_widget_show (vbox);
    gtk_widget_show (sc->hpaned);

    /* FIXME: Session management and stuff?  */
    gtk_window_set_default_size (
        GTK_WINDOW (sc->app),
        DEFAULT_WIDTH, DEFAULT_HEIGHT);
}

static void
subscribe_dialog_destroy (GtkObject *object)
{
    SubscribeDialog *sc;

    sc = SUBSCRIBE_DIALOG (object);

    gtk_object_unref (GTK_OBJECT (sc->listener));

    bonobo_object_release_unref (sc->storage_set_control, NULL);
    bonobo_object_release_unref (sc->storage_set_view, NULL);

    e_tree_model_node_remove (sc->model, sc->root);
    gtk_object_unref (GTK_OBJECT (sc->model));

    subscribe_dialog_parent_class->destroy (object);
}

static void
subscribe_dialog_class_init (GtkObjectClass *object_class)
{
    object_class->destroy = subscribe_dialog_destroy;

    subscribe_dialog_parent_class = gtk_type_class (PARENT_TYPE);
}

static void
subscribe_dialog_init (GtkObject *object)
{
}

static void
subscribe_dialog_construct (GtkObject *object, Evolution_Shell shell)
{
    SubscribeDialog *sc = SUBSCRIBE_DIALOG (object);

    /*
     * Our instance data
     */
    sc->shell = shell;

    subscribe_dialog_gui_init (sc);
}

GtkWidget *
subscribe_dialog_new (Evolution_Shell shell)
{
    SubscribeDialog *subscribe_dialog;

    subscribe_dialog = gtk_type_new (subscribe_dialog_get_type ());

    subscribe_dialog_construct (GTK_OBJECT (subscribe_dialog), shell);

    return GTK_WIDGET (subscribe_dialog->app);
}

E_MAKE_TYPE (subscribe_dialog, "SubscribeDialog", SubscribeDialog, subscribe_dialog_class_init, subscribe_dialog_init, PARENT_TYPE);