path: root/mail/e-mail-label-manager.c

/*
 * e-mail-label-manager.c
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include "e-mail-label-manager.h"

#include <glib/gi18n.h>
#include "e-mail-label-dialog.h"
#include "e-mail-label-tree-view.h"

#define E_MAIL_LABEL_MANAGER_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_MAIL_LABEL_MANAGER, EMailLabelManagerPrivate))

struct _EMailLabelManagerPrivate {
    GtkWidget *tree_view;
    GtkWidget *add_button;
    GtkWidget *edit_button;
    GtkWidget *remove_button;
};

enum {
    PROP_0,
    PROP_LIST_STORE
};

enum {
    ADD_LABEL,
    EDIT_LABEL,
    REMOVE_LABEL,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL];

G_DEFINE_TYPE (EMailLabelManager, e_mail_label_manager, GTK_TYPE_TABLE)

static void
mail_label_manager_selection_changed_cb (EMailLabelManager *manager,
                                         GtkTreeSelection *selection)
{
    GtkWidget *edit_button;
    GtkWidget *remove_button;
    GtkTreeModel *model;
    GtkTreeIter iter;

    edit_button = manager->priv->edit_button;
    remove_button = manager->priv->remove_button;

    if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
        EMailLabelListStore *store;
        gboolean sensitive;
        gchar *label_tag;

        store = E_MAIL_LABEL_LIST_STORE (model);
        label_tag = e_mail_label_list_store_get_tag (store, &iter);
        sensitive = !e_mail_label_tag_is_default (label_tag);
        g_free (label_tag);

        /* Disallow removing default labels. */
        gtk_widget_set_sensitive (edit_button, TRUE);
        gtk_widget_set_sensitive (remove_button, sensitive);
    } else {
        gtk_widget_set_sensitive (edit_button, FALSE);
        gtk_widget_set_sensitive (remove_button, FALSE);
    }
}

static void
mail_label_manager_set_property (GObject *object,
                                 guint property_id,
                                 const GValue *value,
                                 GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_LIST_STORE:
            e_mail_label_manager_set_list_store (
                E_MAIL_LABEL_MANAGER (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_label_manager_get_property (GObject *object,
                                 guint property_id,
                                 GValue *value,
                                 GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_LIST_STORE:
            g_value_set_object (
                value, e_mail_label_manager_get_list_store (
                E_MAIL_LABEL_MANAGER (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
mail_label_manager_dispose (GObject *object)
{
    EMailLabelManagerPrivate *priv;

    priv = E_MAIL_LABEL_MANAGER_GET_PRIVATE (object);

    if (priv->tree_view != NULL) {
        g_object_unref (priv->tree_view);
        priv->tree_view = NULL;
    }

    if (priv->add_button != NULL) {
        g_object_unref (priv->add_button);
        priv->add_button = NULL;
    }

    if (priv->edit_button != NULL) {
        g_object_unref (priv->edit_button);
        priv->edit_button = NULL;
    }

    if (priv->remove_button != NULL) {
        g_object_unref (priv->remove_button);
        priv->remove_button = NULL;
    }

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_mail_label_manager_parent_class)->dispose (object);
}

static void
mail_label_manager_add_label (EMailLabelManager *manager)
{
    EMailLabelDialog *label_dialog;
    GtkTreeView *tree_view;
    GtkTreeModel *model;
    GtkWidget *dialog;
    gpointer parent;
    GdkColor label_color;
    const gchar *label_name;

    parent = gtk_widget_get_toplevel (GTK_WIDGET (manager));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
    dialog = e_mail_label_dialog_new (parent);

    gtk_window_set_title (GTK_WINDOW (dialog), _("Add Label"));

    if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_OK)
        goto exit;

    label_dialog = E_MAIL_LABEL_DIALOG (dialog);
    label_name = e_mail_label_dialog_get_label_name (label_dialog);
    e_mail_label_dialog_get_label_color (label_dialog, &label_color);

    tree_view = GTK_TREE_VIEW (manager->priv->tree_view);
    model = gtk_tree_view_get_model (tree_view);

    e_mail_label_list_store_set (
        E_MAIL_LABEL_LIST_STORE (model),
        NULL, label_name, &label_color);

exit:
    gtk_widget_destroy (dialog);
}

static void
mail_label_manager_edit_label (EMailLabelManager *manager)
{
    EMailLabelDialog *label_dialog;
    EMailLabelListStore *label_store;
    GtkTreeSelection *selection;
    GtkTreeView *tree_view;
    GtkTreeModel *model;
    GtkTreeIter iter;
    GtkWidget *dialog;
    GtkWidget *parent;
    GdkColor label_color;
    const gchar *new_name;
    gchar *label_name;

    tree_view = GTK_TREE_VIEW (manager->priv->tree_view);
    selection = gtk_tree_view_get_selection (tree_view);

    if (!gtk_tree_selection_get_selected (selection, &model, &iter))
        return;

    label_store = E_MAIL_LABEL_LIST_STORE (model);
    label_name = e_mail_label_list_store_get_name (label_store, &iter);
    e_mail_label_list_store_get_color (label_store, &iter, &label_color);

    parent = gtk_widget_get_toplevel (GTK_WIDGET (manager));
    dialog = e_mail_label_dialog_new (GTK_WINDOW (parent));
    label_dialog = E_MAIL_LABEL_DIALOG (dialog);

    e_mail_label_dialog_set_label_name (label_dialog, label_name);
    e_mail_label_dialog_set_label_color (label_dialog, &label_color);
    gtk_window_set_title (GTK_WINDOW (dialog), _("Edit Label"));

    if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_OK)
        goto exit;

    new_name = e_mail_label_dialog_get_label_name (label_dialog);
    e_mail_label_dialog_get_label_color (label_dialog, &label_color);

    e_mail_label_list_store_set (
        label_store, &iter, new_name, &label_color);

exit:
    gtk_widget_destroy (dialog);

    g_free (label_name);
}

static void
mail_label_manager_remove_label (EMailLabelManager *manager)
{
    GtkTreeSelection *selection;
    GtkTreeView *tree_view;
    GtkTreeModel *model;
    GtkTreeIter iter;

    tree_view = GTK_TREE_VIEW (manager->priv->tree_view);
    selection = gtk_tree_view_get_selection (tree_view);

    if (!gtk_tree_selection_get_selected (selection, &model, &iter))
        return;

    gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
}

static void
e_mail_label_manager_class_init (EMailLabelManagerClass *class)
{
    GObjectClass *object_class;

    g_type_class_add_private (class, sizeof (EMailLabelManagerPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = mail_label_manager_set_property;
    object_class->get_property = mail_label_manager_get_property;
    object_class->dispose = mail_label_manager_dispose;

    class->add_label = mail_label_manager_add_label;
    class->edit_label = mail_label_manager_edit_label;
    class->remove_label = mail_label_manager_remove_label;

    g_object_class_install_property (
        object_class,
        PROP_LIST_STORE,
        g_param_spec_object (
            "list-store",
            "List Store",
            NULL,
            E_TYPE_MAIL_LABEL_LIST_STORE,
            G_PARAM_READWRITE));

    signals[ADD_LABEL] = g_signal_new (
        "add-label",
        G_OBJECT_CLASS_TYPE (class),
        G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
        G_STRUCT_OFFSET (EMailLabelManagerClass, add_label),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[EDIT_LABEL] = g_signal_new (
        "edit-label",
        G_OBJECT_CLASS_TYPE (class),
        G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
        G_STRUCT_OFFSET (EMailLabelManagerClass, edit_label),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[REMOVE_LABEL] = g_signal_new (
        "remove-label",
        G_OBJECT_CLASS_TYPE (class),
        G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
        G_STRUCT_OFFSET (EMailLabelManagerClass, remove_label),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);
}

static void
e_mail_label_manager_init (EMailLabelManager *manager)
{
    GtkTreeSelection *selection;
    GtkWidget *container;
    GtkWidget *widget;

    manager->priv = E_MAIL_LABEL_MANAGER_GET_PRIVATE (manager);

    gtk_table_resize (GTK_TABLE (manager), 2, 2);
    gtk_table_set_col_spacings (GTK_TABLE (manager), 6);
    gtk_table_set_row_spacings (GTK_TABLE (manager), 12);

    container = GTK_WIDGET (manager);

    widget = gtk_scrolled_window_new (NULL, NULL);
    gtk_scrolled_window_set_policy (
        GTK_SCROLLED_WINDOW (widget),
        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type (
        GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN);
    gtk_table_attach (
        GTK_TABLE (container), widget, 0, 1, 0, 1,
        GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = e_mail_label_tree_view_new ();
    gtk_container_add (GTK_CONTAINER (container), widget);
    manager->priv->tree_view = g_object_ref (widget);
    gtk_widget_show (widget);

    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));

    g_signal_connect_swapped (
        selection, "changed",
        G_CALLBACK (mail_label_manager_selection_changed_cb),
        manager);

    container = GTK_WIDGET (manager);

    /* FIXME Clarify this.  What menu? */
    widget = gtk_label_new (
        _("Note: Underscore in the label name is used\n"
        "as mnemonic identifier in menu."));
    gtk_label_set_justify (GTK_LABEL (widget), GTK_JUSTIFY_CENTER);
    gtk_table_attach (
        GTK_TABLE (container), widget,
        0, 1, 1, 2, 0, 0, 0, 0);
    gtk_widget_show (widget);

    widget = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
    gtk_button_box_set_layout (
        GTK_BUTTON_BOX (widget), GTK_BUTTONBOX_START);
    gtk_box_set_spacing (GTK_BOX (widget), 6);
    gtk_table_attach (
        GTK_TABLE (container), widget,
        1, 2, 0, 2, 0, GTK_FILL, 0, 0);
    gtk_widget_show (widget);

    container = widget;

    widget = gtk_button_new_from_stock (GTK_STOCK_ADD);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    manager->priv->add_button = g_object_ref (widget);
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (e_mail_label_manager_add_label), manager);

    widget = gtk_button_new_from_stock (GTK_STOCK_EDIT);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    manager->priv->edit_button = g_object_ref (widget);
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (e_mail_label_manager_edit_label), manager);

    widget = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
    gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
    manager->priv->remove_button = g_object_ref (widget);
    gtk_widget_show (widget);

    g_signal_connect_swapped (
        widget, "clicked",
        G_CALLBACK (e_mail_label_manager_remove_label), manager);
}

GtkWidget *
e_mail_label_manager_new (void)
{
    return g_object_new (E_TYPE_MAIL_LABEL_MANAGER, NULL);
}

void
e_mail_label_manager_add_label (EMailLabelManager *manager)
{
    g_return_if_fail (E_IS_MAIL_LABEL_MANAGER (manager));

    g_signal_emit (manager, signals[ADD_LABEL], 0);
}

void
e_mail_label_manager_edit_label (EMailLabelManager *manager)
{
    g_return_if_fail (E_IS_MAIL_LABEL_MANAGER (manager));

    g_signal_emit (manager, signals[EDIT_LABEL], 0);
}

void
e_mail_label_manager_remove_label (EMailLabelManager *manager)
{
    g_return_if_fail (E_IS_MAIL_LABEL_MANAGER (manager));

    g_signal_emit (manager, signals[REMOVE_LABEL], 0);
}

EMailLabelListStore *
e_mail_label_manager_get_list_store (EMailLabelManager *manager)
{
    GtkTreeView *tree_view;
    GtkTreeModel *model;

    g_return_val_if_fail (E_IS_MAIL_LABEL_MANAGER (manager), NULL);

    tree_view = GTK_TREE_VIEW (manager->priv->tree_view);
    model = gtk_tree_view_get_model (tree_view);

    return E_MAIL_LABEL_LIST_STORE (model);
}

void
e_mail_label_manager_set_list_store (EMailLabelManager *manager,
                                     EMailLabelListStore *list_store)
{
    GtkTreeView *tree_view;

    g_return_if_fail (E_IS_MAIL_LABEL_MANAGER (manager));
    g_return_if_fail (E_IS_MAIL_LABEL_LIST_STORE (list_store));

    tree_view = GTK_TREE_VIEW (manager->priv->tree_view);
    gtk_tree_view_set_model (tree_view, GTK_TREE_MODEL (list_store));

    g_object_notify (G_OBJECT (manager), "list-store");
}