path: root/mail/em-filter-folder-element.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/>
 *
 *
 * Authors:
 *      Not Zed <notzed@lostzed.mmc.com.au>
 *      Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <string.h>

#include <gtk/gtk.h>
#include <glib/gi18n.h>

#include "em-filter-folder-element.h"
#include "mail/em-folder-selection-button.h"
#include "mail/em-utils.h"
#include "filter/e-filter-part.h"
#include "libedataserver/e-sexp.h"
#include "e-util/e-alert.h"

#define d(x)

static gboolean validate(EFilterElement *fe, EAlert **alert);
static gint folder_eq(EFilterElement *fe, EFilterElement *cm);
static void xml_create(EFilterElement *fe, xmlNodePtr node);
static xmlNodePtr xml_encode(EFilterElement *fe);
static gint xml_decode(EFilterElement *fe, xmlNodePtr node);
static GtkWidget *get_widget(EFilterElement *fe);
static void build_code(EFilterElement *fe, GString *out, EFilterPart *ff);
static void format_sexp(EFilterElement *, GString *);
static void emff_copy_value(EFilterElement *de, EFilterElement *se);

static void em_filter_folder_element_class_init(EMFilterFolderElementClass *class);
static void em_filter_folder_element_init(EMFilterFolderElement *ff);
static void em_filter_folder_element_finalise(GObject *obj);

static EFilterElementClass *parent_class = NULL;

GType
em_filter_folder_element_get_type(void)
{
    static GType type = 0;

    if (!type) {
        static const GTypeInfo info = {
            sizeof(EMFilterFolderElementClass),
            NULL, /* base_class_init */
            NULL, /* base_class_finalize */
            (GClassInitFunc)em_filter_folder_element_class_init,
            NULL, /* class_finalize */
            NULL, /* class_data */
            sizeof(EMFilterFolderElement),
            0,    /* n_preallocs */
            (GInstanceInitFunc)em_filter_folder_element_init,
        };

        type = g_type_register_static(E_TYPE_FILTER_ELEMENT, "EMFilterFolderElement", &info, 0);
    }

    return type;
}

static void
em_filter_folder_element_class_init(EMFilterFolderElementClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS(klass);
    EFilterElementClass *fe_class = E_FILTER_ELEMENT_CLASS(klass);

    parent_class = g_type_class_ref(E_TYPE_FILTER_ELEMENT);

    object_class->finalize = em_filter_folder_element_finalise;

    /* override methods */
    fe_class->validate = validate;
    fe_class->eq = folder_eq;
    fe_class->xml_create = xml_create;
    fe_class->xml_encode = xml_encode;
    fe_class->xml_decode = xml_decode;
    fe_class->get_widget = get_widget;
    fe_class->build_code = build_code;
    fe_class->format_sexp = format_sexp;
    fe_class->copy_value = emff_copy_value;
}

static void
em_filter_folder_element_init(EMFilterFolderElement *ff)
{
    ;
}

static void
em_filter_folder_element_finalise(GObject *obj)
{
    EMFilterFolderElement *ff = (EMFilterFolderElement *)obj;

    g_free(ff->uri);

        G_OBJECT_CLASS(parent_class)->finalize(obj);
}

/**
 * em_filter_folder_element_new:
 *
 * Create a new EMFilterFolderElement object.
 *
 * Return value: A new #EMFilterFolderElement object.
 **/
EMFilterFolderElement *
em_filter_folder_element_new(void)
{
    return(EMFilterFolderElement *)g_object_new(em_filter_folder_element_get_type(), NULL, NULL);
}

void
em_filter_folder_element_set_value(EMFilterFolderElement *ff, const gchar *uri)
{
    g_free(ff->uri);
    ff->uri = g_strdup(uri);
}

static gboolean
validate(EFilterElement *fe, EAlert **alert)
{
    EMFilterFolderElement *ff = (EMFilterFolderElement *)fe;

    g_warn_if_fail (alert == NULL || *alert == NULL);

    if (ff->uri && *ff->uri) {
        return TRUE;
    } else {
        if (alert)
            *alert = e_alert_new ("mail:no-folder", NULL);

        return FALSE;
    }
}

static gint
folder_eq(EFilterElement *fe, EFilterElement *cm)
{
        return E_FILTER_ELEMENT_CLASS(parent_class)->eq(fe, cm)
        && strcmp(((EMFilterFolderElement *)fe)->uri, ((EMFilterFolderElement *)cm)->uri)== 0;
}

static void
xml_create(EFilterElement *fe, xmlNodePtr node)
{
    /* parent implementation */
        E_FILTER_ELEMENT_CLASS(parent_class)->xml_create(fe, node);
}

static xmlNodePtr
xml_encode(EFilterElement *fe)
{
    xmlNodePtr value, work;
    EMFilterFolderElement *ff = (EMFilterFolderElement *)fe;

    d(printf("Encoding folder as xml\n"));

    value = xmlNewNode(NULL, (const guchar *)"value");
    xmlSetProp(value, (const guchar *)"name", (guchar *)fe->name);
    if (ff->store_camel_uri)
        xmlSetProp(value, (const guchar *)"type", (const guchar *)"folder-curi");
    else
        xmlSetProp(value, (const guchar *)"type", (const guchar *)"folder");

    work = xmlNewChild(value, NULL, (const guchar *)"folder", NULL);
    xmlSetProp(work, (const guchar *)"uri", (const guchar *)ff->uri);

    return value;
}

static gint
xml_decode(EFilterElement *fe, xmlNodePtr node)
{
    EMFilterFolderElement *ff = (EMFilterFolderElement *)fe;
    xmlNodePtr n;
    xmlChar *type;

    d(printf("Decoding folder from xml %p\n", fe));

    xmlFree(fe->name);
    fe->name = (gchar *)xmlGetProp(node, (const guchar *)"name");

    type = xmlGetProp (node, (const guchar *)"type");
    if (type) {
        ff->store_camel_uri = g_str_equal ((const gchar *)type, "folder-curi");
        xmlFree (type);
    } else {
        ff->store_camel_uri = FALSE;
    }

    n = node->children;
    while (n) {
        if (!strcmp((gchar *)n->name, "folder")) {
            gchar *uri;

            uri = (gchar *)xmlGetProp(n, (const guchar *)"uri");
            g_free(ff->uri);
            ff->uri = g_strdup(uri);
            xmlFree(uri);
            break;
        }
        n = n->next;
    }

    return 0;
}

static void
folder_selected(EMFolderSelectionButton *button, EMFilterFolderElement *ff)
{
    GtkWidget *toplevel;
    const gchar *uri;

    uri = em_folder_selection_button_get_selection(button);
    g_free(ff->uri);

    if (ff->store_camel_uri)
        ff->uri = g_strdup (uri);
    else
        ff->uri = uri != NULL ? em_uri_from_camel (uri) : NULL;

    toplevel = gtk_widget_get_toplevel (GTK_WIDGET (button));
    gtk_window_present (GTK_WINDOW (toplevel));
}

static GtkWidget *
get_widget(EFilterElement *fe)
{
    EMFilterFolderElement *ff = (EMFilterFolderElement *)fe;
    GtkWidget *button;
    gchar *uri;

    if (ff->store_camel_uri)
        uri = ff->uri;
    else
        uri = em_uri_to_camel (ff->uri);

    button = em_folder_selection_button_new (_("Select Folder"), NULL);

    em_folder_selection_button_set_selection(
        EM_FOLDER_SELECTION_BUTTON (button), uri);

    if (!ff->store_camel_uri)
        g_free(uri);

    gtk_widget_show(button);
    g_signal_connect(button, "selected", G_CALLBACK(folder_selected), ff);

    return button;
}

static void
build_code(EFilterElement *fe, GString *out, EFilterPart *ff)
{
    return;
}

static void
format_sexp(EFilterElement *fe, GString *out)
{
    EMFilterFolderElement *ff = (EMFilterFolderElement *)fe;

    e_sexp_encode_string(out, ff->uri);
}

static void
emff_copy_value(EFilterElement *de, EFilterElement *se)
{
    if (EM_IS_FILTER_FOLDER_ELEMENT(se)) {
        ((EMFilterFolderElement *)de)->store_camel_uri = ((EMFilterFolderElement *)se)->store_camel_uri;
        em_filter_folder_element_set_value((EMFilterFolderElement *)de, ((EMFilterFolderElement *)se)->uri);
    } else
        parent_class->copy_value(de, se);
}