libemail-utils/em-filter-folder-element.c

   1 /*
   2  *
   3  * This program is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public
   5  * License as published by the Free Software Foundation; either
   6  * version 2 of the License, or (at your option) version 3.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with the program; if not, see <http://www.gnu.org/licenses/>
  15  *
  16  *
  17  * Authors:
  18  *              Not Zed <notzed@lostzed.mmc.com.au>
  19  *      Jeffrey Stedfast <fejj@ximian.com>
  20  *
  21  * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
  22  *
  23  */
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <string.h>
  30
  31 #include <gtk/gtk.h>
  32 #include <glib/gi18n.h>
  33
  34 #include "em-filter-folder-element.h"
  35 #include "filter/e-filter-part.h"
  36 #include "libevolution-utils/e-alert.h"
  37
  38 #define EM_FILTER_FOLDER_ELEMENT_GET_PRIVATE(obj) \
  39         (G_TYPE_INSTANCE_GET_PRIVATE \
  40         ((obj), EM_TYPE_FILTER_FOLDER_ELEMENT, EMFilterFolderElementPrivate))
  41
  42 struct _EMFilterFolderElementPrivate {
  43         gchar *uri;
  44 };
  45
  46 G_DEFINE_TYPE (
  47         EMFilterFolderElement,
  48         em_filter_folder_element,
  49         E_TYPE_FILTER_ELEMENT)
  50
  51 static void
  52 filter_folder_element_finalize (GObject *object)
  53 {
  54         EMFilterFolderElementPrivate *priv;
  55
  56         priv = EM_FILTER_FOLDER_ELEMENT_GET_PRIVATE (object);
  57
  58         g_free (priv->uri);
  59
  60         /* Chain up to parent's finalize() method. */
  61         G_OBJECT_CLASS (em_filter_folder_element_parent_class)->finalize (object);
  62 }
  63
  64 static gboolean
  65 filter_folder_element_validate (EFilterElement *fe,
  66                                 EAlert **alert)
  67 {
  68         EMFilterFolderElement *ff = (EMFilterFolderElement *) fe;
  69
  70         g_warn_if_fail (alert == NULL || *alert == NULL);
  71
  72         if (ff->priv->uri != NULL && *ff->priv->uri != '\0')
  73                 return TRUE;
  74
  75         if (alert)
  76                 *alert = e_alert_new ("mail:no-folder", NULL);
  77
  78         return FALSE;
  79 }
  80
  81 static gint
  82 filter_folder_element_eq (EFilterElement *fe,
  83                           EFilterElement *cm)
  84 {
  85         return E_FILTER_ELEMENT_CLASS (
  86                 em_filter_folder_element_parent_class)->eq (fe, cm) &&
  87                 strcmp (((EMFilterFolderElement *) fe)->priv->uri,
  88                 ((EMFilterFolderElement *) cm)->priv->uri)== 0;
  89 }
  90
  91 static xmlNodePtr
  92 filter_folder_element_xml_encode (EFilterElement *fe)
  93 {
  94         xmlNodePtr value, work;
  95         EMFilterFolderElement *ff = (EMFilterFolderElement *) fe;
  96
  97         value = xmlNewNode (NULL, (xmlChar *) "value");
  98         xmlSetProp (value, (xmlChar *) "name", (xmlChar *) fe->name);
  99         xmlSetProp (value, (xmlChar *) "type", (xmlChar *) "folder");
 100
 101         work = xmlNewChild (value, NULL, (xmlChar *) "folder", NULL);
 102         xmlSetProp (work, (xmlChar *) "uri", (xmlChar *) ff->priv->uri);
 103
 104         return value;
 105 }
 106
 107 static gint
 108 filter_folder_element_xml_decode (EFilterElement *fe,
 109                                   xmlNodePtr node)
 110 {
 111         EMFilterFolderElement *ff = (EMFilterFolderElement *) fe;
 112         xmlNodePtr n;
 113
 114         xmlFree (fe->name);
 115         fe->name = (gchar *) xmlGetProp(node, (xmlChar *) "name");
 116
 117         n = node->children;
 118         while (n) {
 119                 if (!strcmp((gchar *) n->name, "folder")) {
 120                         gchar *uri;
 121
 122                         uri = (gchar *) xmlGetProp(n, (xmlChar *) "uri");
 123                         g_free (ff->priv->uri);
 124                         ff->priv->uri = g_strdup (uri);
 125                         xmlFree (uri);
 126                         break;
 127                 }
 128                 n = n->next;
 129         }
 130
 131         return 0;
 132 }
 133
 134 static GtkWidget *
 135 filter_folder_element_get_widget (EFilterElement *fe)
 136 {
 137         GtkWidget *widget;
 138
 139         widget = E_FILTER_ELEMENT_CLASS (em_filter_folder_element_parent_class)->
 140                 get_widget (fe);
 141
 142         return widget;
 143 }
 144
 145 static void
 146 filter_folder_element_build_code (EFilterElement *fe,
 147                                   GString *out,
 148                                   EFilterPart *ff)
 149 {
 150         /* We are doing nothing on purpose. */
 151 }
 152
 153 static void
 154 filter_folder_element_format_sexp (EFilterElement *fe,
 155                                    GString *out)
 156 {
 157         EMFilterFolderElement *ff = (EMFilterFolderElement *) fe;
 158
 159         camel_sexp_encode_string (out, ff->priv->uri);
 160 }
 161
 162 static void
 163 filter_folder_element_copy_value (EFilterElement *de,
 164                                   EFilterElement *se)
 165 {
 166         if (EM_IS_FILTER_FOLDER_ELEMENT (se)) {
 167                 em_filter_folder_element_set_uri (
 168                         EM_FILTER_FOLDER_ELEMENT (de),
 169                         EM_FILTER_FOLDER_ELEMENT (se)->priv->uri);
 170         } else {
 171                 E_FILTER_ELEMENT_CLASS (
 172                 em_filter_folder_element_parent_class)->copy_value (de, se);
 173         }
 174 }
 175 static void
 176 em_filter_folder_element_class_init (EMFilterFolderElementClass *class)
 177 {
 178         GObjectClass *object_class;
 179         EFilterElementClass *filter_element_class;
 180
 181         g_type_class_add_private (class, sizeof (EMFilterFolderElementPrivate));
 182
 183         object_class = G_OBJECT_CLASS (class);
 184         object_class->finalize = filter_folder_element_finalize;
 185
 186         filter_element_class = E_FILTER_ELEMENT_CLASS (class);
 187         filter_element_class->validate = filter_folder_element_validate;
 188         filter_element_class->eq = filter_folder_element_eq;
 189         filter_element_class->xml_encode = filter_folder_element_xml_encode;
 190         filter_element_class->xml_decode = filter_folder_element_xml_decode;
 191         filter_element_class->get_widget = filter_folder_element_get_widget;
 192         filter_element_class->build_code = filter_folder_element_build_code;
 193         filter_element_class->format_sexp = filter_folder_element_format_sexp;
 194         filter_element_class->copy_value = filter_folder_element_copy_value;
 195 }
 196
 197 static void
 198 em_filter_folder_element_init (EMFilterFolderElement *element)
 199 {
 200         element->priv = EM_FILTER_FOLDER_ELEMENT_GET_PRIVATE (element);
 201 }
 202
 203 EFilterElement *
 204 em_filter_folder_element_new ()
 205 {
 206         return g_object_new (
 207                 EM_TYPE_FILTER_FOLDER_ELEMENT,
 208                 NULL);
 209 }
 210
 211 const gchar *
 212 em_filter_folder_element_get_uri (EMFilterFolderElement *element)
 213 {
 214         g_return_val_if_fail (EM_IS_FILTER_FOLDER_ELEMENT (element), NULL);
 215
 216         return element->priv->uri;
 217 }
 218
 219 void
 220 em_filter_folder_element_set_uri (EMFilterFolderElement *element,
 221                                   const gchar *uri)
 222 {
 223         g_return_if_fail (EM_IS_FILTER_FOLDER_ELEMENT (element));
 224
 225         g_free (element->priv->uri);
 226         element->priv->uri = g_strdup (uri);
 227 }
 228