path: root/plugins/plugin-manager/plugin-manager.c

/* Copyright (C) 2004 Novell Inc.
   by Michael Zucchi <notzed@ximian.com> */

/* This file is licensed under the GNU GPL v2 or later */

/* A plugin manager ui */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <glib/gi18n-lib.h>
#include <string.h>
#include <stdio.h>

#include <gtk/gtklabel.h>
#include <gtk/gtktreeview.h>
#include <gtk/gtktreemodel.h>
#include <gtk/gtktreesortable.h>
#include <gtk/gtktreemodelsort.h>
#include <gtk/gtktreeselection.h>
#include <gtk/gtkliststore.h>
#include <gtk/gtkdialog.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtkcellrenderertoggle.h>
#include <gtk/gtkcellrenderertext.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkhbox.h>

#include "e-util/e-plugin.h"
#include "shell/es-menu.h"

#define d(S) (S)

enum {
    LABEL_NAME,
    LABEL_AUTHOR,
    LABEL_DESCRIPTION,
    LABEL_LAST
};

enum
{
    COL_PLUGIN_ENABLED = 0,
    COL_PLUGIN_NAME,
    COL_PLUGIN_DATA
};

static struct {
    const char *label;
} label_info[LABEL_LAST] = {
    { N_("Name"), },
    { N_("Author(s)"), },
    { N_("Description"), },
};

typedef struct _Manager Manager;
struct _Manager {
    GtkDialog *dialog;
    GtkTreeView *treeview;
    GtkTreeModel *model;

    GtkLabel *labels[LABEL_LAST];
    GtkLabel *items[LABEL_LAST];

    GSList *plugins;
};

/* for tracking if we're shown */
static GtkDialog *dialog;

static const int RESPONSE_CONFIGURE = 1;

void org_gnome_plugin_manager_manage(void *ep, ESMenuTargetShell *t);
int e_plugin_lib_configure(EPluginLib *ep);

static void
eppm_set_label(GtkLabel *l, const char *v)
{
    gtk_label_set_label(l, v?v:_("Unknown"));
}

static void
eppm_show_plugin(Manager *m, EPlugin *ep)
{
    char *string = NULL;

    if (ep) {
        string = g_strdup_printf("<span size=\"x-large\">%s</span>", ep->name);
        gtk_label_set_markup(GTK_LABEL(m->items[LABEL_NAME]), string);
        g_free(string);

        if (ep->authors) {
            GSList *l = ep->authors;
            GString *out = g_string_new("");

            for (;l;l = g_slist_next(l)) {
                EPluginAuthor *epa = l->data;

                if (l != ep->authors)
                    g_string_append(out, ",\n");
                if (epa->name)
                    g_string_append(out, epa->name);
                if (epa->email) {
                    g_string_append(out, " <");
                    g_string_append(out, epa->email);
                    g_string_append(out, ">");
                }
            }
            gtk_label_set_label(m->items[LABEL_AUTHOR], out->str);
            g_string_free(out, TRUE);
        } else {
            eppm_set_label(m->items[LABEL_AUTHOR], NULL);
        }

        eppm_set_label(m->items[LABEL_DESCRIPTION], ep->description);
    } else {
        int i;

        for (i=0;i<LABEL_LAST;i++)
            gtk_label_set_label(m->items[i], "");
    }
}

static void
eppm_selection_changed(GtkTreeSelection *selection, Manager *m)
{
    GtkTreeModel *model;
    GtkTreeIter iter;

    if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
        EPlugin *ep;
        gboolean enabled = FALSE;

        gtk_tree_model_get(model, &iter, COL_PLUGIN_DATA, &ep, -1);
        eppm_show_plugin(m, ep);

        enabled = e_plugin_is_configurable (ep);

        gtk_dialog_set_response_sensitive (m->dialog, RESPONSE_CONFIGURE, enabled);

    } else {
        eppm_show_plugin(m, NULL);
    }
}

static void
eppm_enable_toggled(GtkCellRendererToggle *renderer, const char *path_string, Manager *m)
{
    GtkTreePath *path;
    GtkTreeIter iter;
    EPlugin *plugin;

    path = gtk_tree_path_new_from_string(path_string);

    if (gtk_tree_model_get_iter(m->model, &iter, path)) {
        gtk_tree_model_get(m->model, &iter, COL_PLUGIN_DATA, &plugin, -1);
        e_plugin_enable(plugin, !plugin->enabled);

        g_warning( plugin->name );

        gtk_list_store_set(GTK_LIST_STORE(m->model), &iter,
                   COL_PLUGIN_ENABLED, plugin->enabled,
                   -1);
    }

    gtk_tree_path_free(path);
}

static void
eppm_free(void *data)
{
    Manager *m = data;
    GSList *l;

    for (l = m->plugins;l;l=g_slist_next(l))
        g_object_unref(l->data);
    g_slist_free(m->plugins);

    g_object_unref(m->model);

    g_free(m);
}

static void
eppm_response(GtkDialog *w, int button, Manager *m)
{
    if (button == GTK_RESPONSE_CLOSE) {
        gtk_widget_destroy((GtkWidget*)w);
        dialog = NULL;
    } else {
        GtkTreeSelection *selection = NULL;
        GtkTreeModel *model = NULL;
        GtkTreeIter iter;

        selection = gtk_tree_view_get_selection(m->treeview);
        if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
            EPlugin *ep =  NULL;

            gtk_tree_model_get(model, &iter, COL_PLUGIN_DATA, &ep, -1);

            e_plugin_configure (ep);
        } else
            d(printf ("\n\a No Plugin is selected \n\a"));
    }
}

void
org_gnome_plugin_manager_manage(void *ep, ESMenuTargetShell *t)
{
    Manager *m;
    int i;
    GtkWidget *hbox, *w;
    GtkListStore *store;
    GtkTreeSelection *selection;
    GtkCellRenderer *renderer;
    GSList *l;
    char *string;
    GtkWidget *vbox, *subvbox;

    if (dialog) {
        gdk_window_raise(((GtkWidget *)dialog)->window);
        return;
    }

    m = g_malloc0(sizeof(*m));

    /* Setup the ui */
    m->dialog = (GtkDialog *)gtk_dialog_new_with_buttons(_("Plugin Manager"),
                                 (GtkWindow *)gtk_widget_get_toplevel(t->target.widget),
                                 GTK_DIALOG_DESTROY_WITH_PARENT,
                                 _("Con_figure"), RESPONSE_CONFIGURE,
                                 GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
                                 NULL);

    gtk_window_set_default_size((GtkWindow *)m->dialog, 640, 400);
    g_object_set((GObject *)m->dialog, "has_separator", FALSE, NULL);

    hbox = gtk_hbox_new(FALSE, 0);
    gtk_container_set_border_width((GtkContainer *)hbox, 12);
    gtk_box_pack_start((GtkBox *)m->dialog->vbox, hbox, TRUE, TRUE, 0);

    string = g_strdup_printf("<i>%s</i>", _("Note: Some changes will not take effect until restart"));

    w = g_object_new(gtk_label_get_type(),
             "label", string,
             "wrap", FALSE,
             "use_markup", TRUE,
             NULL);
    gtk_widget_show(w);

    gtk_box_pack_start((GtkBox *)m->dialog->vbox, w, FALSE, TRUE, 6);

    store = gtk_list_store_new(3, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_POINTER);

    /* fill store */
    m->plugins = e_plugin_list_plugins();

    for (l=m->plugins;l;l=g_slist_next(l)) {
        EPlugin *ep = l->data;
        GtkTreeIter iter;

        /* hide ourselves always */
        if (!strcmp(ep->id, "org.gnome.evolution.plugin.manager"))
            continue;

        gtk_list_store_append(store, &iter);
        gtk_list_store_set(store, &iter,
                   COL_PLUGIN_ENABLED, ep->enabled,
                   COL_PLUGIN_NAME, ep->name?ep->name:ep->id,
                   COL_PLUGIN_DATA, ep,
                   -1);
    }

    gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE (store),
                         COL_PLUGIN_NAME, GTK_SORT_ASCENDING);

    /* setup the treeview */
    m->treeview = (GtkTreeView *)gtk_tree_view_new();
    gtk_tree_view_set_reorderable(GTK_TREE_VIEW(m->treeview), FALSE);
    gtk_tree_view_set_model(m->treeview, GTK_TREE_MODEL (store));
    gtk_tree_view_set_search_column(m->treeview, COL_PLUGIN_NAME);
    gtk_tree_view_set_headers_visible(m->treeview, TRUE);

    m->model = GTK_TREE_MODEL(store);

    renderer = gtk_cell_renderer_toggle_new();
    gtk_tree_view_insert_column_with_attributes(m->treeview,
                            COL_PLUGIN_ENABLED, _("Enabled"),
                            renderer, "active", COL_PLUGIN_ENABLED,
                            NULL);
    g_signal_connect(renderer, "toggled", G_CALLBACK(eppm_enable_toggled), m);

    renderer = gtk_cell_renderer_text_new ();
    gtk_tree_view_insert_column_with_attributes(m->treeview,
                            COL_PLUGIN_NAME, _("Plugin"),
                            renderer, "text", COL_PLUGIN_NAME,
                            NULL);

    /* set sort column */
    gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(m->model), COL_PLUGIN_NAME, GTK_SORT_ASCENDING);

    w = gtk_scrolled_window_new(NULL, NULL);
    gtk_scrolled_window_set_policy((GtkScrolledWindow *)w, GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
    gtk_scrolled_window_set_shadow_type((GtkScrolledWindow *)w, GTK_SHADOW_IN);
    gtk_container_add((GtkContainer *)w, (GtkWidget *)m->treeview);
    gtk_box_pack_start((GtkBox *)hbox, (GtkWidget *)w, FALSE, TRUE, 6);

    vbox = gtk_vbox_new(FALSE, 0);
    gtk_box_pack_start((GtkBox *)hbox, vbox, TRUE, TRUE, 6);

    /* this is plugin's name label */
    subvbox = gtk_vbox_new(FALSE, 0);
    m->items[0] = g_object_new(gtk_label_get_type(),
                   "wrap", TRUE,
                   "selectable", FALSE,
                   "xalign", 0.0,
                   "yalign", 0.0, NULL);
    gtk_box_pack_start((GtkBox *)subvbox, (GtkWidget *)m->items[0], TRUE, TRUE, 0);
    gtk_box_pack_start((GtkBox *)vbox, subvbox, FALSE, TRUE, 6);

    /* this is every other data */
    for (i=1;i<LABEL_LAST;i++) {
        char *markup;

        subvbox = gtk_vbox_new(FALSE, 0);

        markup = g_strdup_printf("<span weight=\"bold\">%s :</span>", _(label_info[i].label));
        m->labels[i] = g_object_new(gtk_label_get_type(),
                        "label", markup,
                        "use_markup", TRUE,
                        "xalign", 0.0,
                        "yalign", 0.0, NULL);
        gtk_box_pack_start((GtkBox *)subvbox, (GtkWidget *)m->labels[i], FALSE, TRUE, 0);
        g_free(markup);

        m->items[i] = g_object_new(gtk_label_get_type(),
                       "wrap", TRUE,
                       "selectable", TRUE,
                       "xalign", 0.0,
                       "yalign", 0.0, NULL);
        gtk_box_pack_start((GtkBox *)subvbox, (GtkWidget *)m->items[i], TRUE, TRUE, 0);

        gtk_box_pack_start((GtkBox *)vbox, subvbox, FALSE, TRUE, 6);
    }

    gtk_widget_show_all(hbox);

    selection = gtk_tree_view_get_selection(m->treeview);
    gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
    g_signal_connect(selection, "changed", G_CALLBACK(eppm_selection_changed), m);


    atk_object_set_name (gtk_widget_get_accessible ((GtkWidget *)m->treeview), _("Plugin"));

    g_object_set_data_full((GObject *)m->dialog, "plugin-manager", m, eppm_free);
    g_signal_connect(m->dialog, "response", G_CALLBACK(eppm_response), m);

    gtk_widget_show((GtkWidget *)m->dialog);
}

int e_plugin_lib_enable(EPluginLib *ep, int enable);

int e_plugin_lib_configure(EPluginLib *ep);

int
e_plugin_lib_enable(EPluginLib *ep, int enable)
{
    if (enable) {
    } else {
        /* This plugin can't be disabled ... */
        return -1;
    }

    return 0;
}

int
e_plugin_lib_configure(EPluginLib *ep)
{
    d(printf ("\n\a e_plugin_lib_configure in plugin-manager\n\a"));
    /* Makes no sense as this plugin is never shown */
    return 0;
}