path: root/calendar/modules/e-task-shell-view.c

/*
 * e-task-shell-view.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)
 *
 */

#include "e-task-shell-view-private.h"

enum {
    PROP_0,
    PROP_SOURCE_LIST
};

GType e_task_shell_view_type = 0;
static gpointer parent_class;

static void
task_shell_view_get_property (GObject *object,
                              guint property_id,
                              GValue *value,
                              GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_SOURCE_LIST:
            g_value_set_object (
                value, e_task_shell_view_get_source_list (
                E_TASK_SHELL_VIEW (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
task_shell_view_dispose (GObject *object)
{
    e_task_shell_view_private_dispose (E_TASK_SHELL_VIEW (object));

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

static void
task_shell_view_finalize (GObject *object)
{
    e_task_shell_view_private_finalize (E_TASK_SHELL_VIEW (object));

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

static void
task_shell_view_constructed (GObject *object)
{
    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (parent_class)->constructed (object);

    e_task_shell_view_private_constructed (E_TASK_SHELL_VIEW (object));
}

static void
task_shell_view_update_actions (EShellView *shell_view)
{
    ETaskShellViewPrivate *priv;
    ETaskShellContent *task_shell_content;
    ETaskShellSidebar *task_shell_sidebar;
    EShellWindow *shell_window;
    ESourceSelector *selector;
    ETable *table;
    ECalendarTable *task_table;
    ESource *source;
    GtkAction *action;
    GSList *list, *iter;
    const gchar *label;
    const gchar *uri = NULL;
    gboolean user_created_source;
    gboolean assignable = TRUE;
    gboolean editable = TRUE;
    gboolean has_url = FALSE;
    gboolean sensitive;
    gint n_selected;
    gint n_complete = 0;
    gint n_incomplete = 0;

    priv = E_TASK_SHELL_VIEW_GET_PRIVATE (shell_view);

    shell_window = e_shell_view_get_shell_window (shell_view);

    task_shell_content = priv->task_shell_content;
    task_table = e_task_shell_content_get_task_table (task_shell_content);

    task_shell_sidebar = priv->task_shell_sidebar;
    selector = e_task_shell_sidebar_get_selector (task_shell_sidebar);

    table = e_calendar_table_get_table (task_table);
    n_selected = e_table_selected_count (table);

    list = e_calendar_table_get_selected (task_table);
    for (iter = list; iter != NULL; iter = iter->next) {
        ECalModelComponent *comp_data = iter->data;
        icalproperty *prop;
        const gchar *cap;
        gboolean read_only;

        e_cal_is_read_only (comp_data->client, &read_only, NULL);
        editable &= !read_only;

        cap = CAL_STATIC_CAPABILITY_NO_TASK_ASSIGNMENT;
        if (e_cal_get_static_capability (comp_data->client, cap))
            assignable = FALSE;

        cap = CAL_STATIC_CAPABILITY_NO_CONV_TO_ASSIGN_TASK;
        if (e_cal_get_static_capability (comp_data->client, cap))
            assignable = FALSE;

        prop = icalcomponent_get_first_property (
            comp_data->icalcomp, ICAL_URL_PROPERTY);
        has_url |= (prop != NULL);

        prop = icalcomponent_get_first_property (
            comp_data->icalcomp, ICAL_COMPLETED_PROPERTY);
        if (prop != NULL)
            n_complete++;
        else
            n_incomplete++;
    }
    g_slist_free (list);

    source = e_source_selector_peek_primary_selection (selector);
    if (source != NULL)
        uri = e_source_peek_relative_uri (source);
    user_created_source = (uri != NULL && strcmp (uri, "system") != 0);

    action = ACTION (TASK_ASSIGN);
    sensitive = (n_selected == 1) && editable && assignable;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_CLIPBOARD_COPY);
    sensitive = (n_selected > 0);
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_CLIPBOARD_CUT);
    sensitive = (n_selected > 0) && editable;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_CLIPBOARD_PASTE);
    sensitive = editable;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_DELETE);
    sensitive = (n_selected > 0) && editable;
    gtk_action_set_sensitive (action, sensitive);
    label = ngettext ("Delete Task", "Delete Tasks", n_selected);
    g_object_set (action, "label", label, NULL);

    action = ACTION (TASK_FORWARD);
    sensitive = (n_selected == 1);
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_LIST_COPY);
    sensitive = (source != NULL);
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_LIST_DELETE);
    sensitive = user_created_source;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_LIST_PROPERTIES);
    sensitive = (source != NULL);
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_MARK_COMPLETE);
    sensitive = (n_selected > 0) && editable && (n_incomplete > 0);
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_MARK_INCOMPLETE);
    sensitive = (n_selected > 0) && editable && (n_complete > 0);
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_OPEN);
    sensitive = (n_selected == 1);
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_OPEN_URL);
    sensitive = (n_selected == 1) && has_url;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_PRINT);
    sensitive = (n_selected == 1);
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_PURGE);
    sensitive = editable;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (TASK_SAVE_AS);
    sensitive = (n_selected == 1);
    gtk_action_set_sensitive (action, sensitive);
}

static void
task_shell_view_class_init (ETaskShellViewClass *class,
                            GTypeModule *type_module)
{
    GObjectClass *object_class;
    EShellViewClass *shell_view_class;

    parent_class = g_type_class_peek_parent (class);
    g_type_class_add_private (class, sizeof (ETaskShellViewPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->get_property = task_shell_view_get_property;
    object_class->dispose = task_shell_view_dispose;
    object_class->finalize = task_shell_view_finalize;
    object_class->constructed = task_shell_view_constructed;

    shell_view_class = E_SHELL_VIEW_CLASS (class);
    shell_view_class->label = N_("Tasks");
    shell_view_class->icon_name = "evolution-tasks";
    shell_view_class->ui_definition = "evolution-tasks.ui";
    shell_view_class->search_options = "/task-search-options";
    shell_view_class->search_rules = "tasktypes.xml";
    shell_view_class->type_module = type_module;
    shell_view_class->new_shell_content = e_task_shell_content_new;
    shell_view_class->new_shell_sidebar = e_task_shell_sidebar_new;
    shell_view_class->update_actions = task_shell_view_update_actions;

    g_object_class_install_property (
        object_class,
        PROP_SOURCE_LIST,
        g_param_spec_object (
            "source-list",
            _("Source List"),
            _("The registry of task lists"),
            E_TYPE_SOURCE_LIST,
            G_PARAM_READABLE));
}

static void
task_shell_view_init (ETaskShellView *task_shell_view,
                      EShellViewClass *shell_view_class)
{
    task_shell_view->priv =
        E_TASK_SHELL_VIEW_GET_PRIVATE (task_shell_view);

    e_task_shell_view_private_init (task_shell_view, shell_view_class);
}

GType
e_task_shell_view_get_type (GTypeModule *type_module)
{
    if (e_task_shell_view_type == 0) {
        const GTypeInfo type_info = {
            sizeof (ETaskShellViewClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) task_shell_view_class_init,
            (GClassFinalizeFunc) NULL,
            type_module,
            sizeof (ETaskShellView),
            0,    /* n_preallocs */
            (GInstanceInitFunc) task_shell_view_init,
            NULL  /* value_table */
        };

        e_task_shell_view_type =
            g_type_module_register_type (
                type_module, E_TYPE_SHELL_VIEW,
                "ETaskShellView", &type_info, 0);
    }

    return e_task_shell_view_type;
}

ESourceList *
e_task_shell_view_get_source_list (ETaskShellView *task_shell_view)
{
    g_return_val_if_fail (E_IS_TASK_SHELL_VIEW (task_shell_view), NULL);

    return task_shell_view->priv->source_list;
}