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Sourcecode: nautilus version File versions

nautilus-column.c

/*
 *  nautilus-column.c - Info columns exported by NautilusColumnProvider
 *                      objects.
 *
 *  Copyright (C) 2003 Novell, Inc.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 * 
 *  Author:  Dave Camp <dave@ximian.com>
 *
 */

#include <config.h>
#include "nautilus-column.h"
#include "nautilus-extension-i18n.h"

enum {
      PROP_0,
      PROP_NAME,
      PROP_ATTRIBUTE,
      PROP_ATTRIBUTE_Q,
      PROP_LABEL,
      PROP_DESCRIPTION,
      PROP_XALIGN,
      LAST_PROP
};

struct _NautilusColumnDetails {
      char *name;
      GQuark attribute;
      char *label;
      char *description;
      float xalign;
};

static GObjectClass *parent_class = NULL;

NautilusColumn *
nautilus_column_new (const char *name,
                 const char *attribute,
                 const char *label,
                 const char *description)
{
      NautilusColumn *column;

      g_return_val_if_fail (name != NULL, NULL);
      g_return_val_if_fail (attribute != NULL, NULL);
      g_return_val_if_fail (label != NULL, NULL);
      g_return_val_if_fail (description != NULL, NULL);
      
      column = g_object_new (NAUTILUS_TYPE_COLUMN, 
                         "name", name,
                         "attribute", attribute,
                         "label", label,
                         "description", description,
                         NULL);

      return column;
}

static void
nautilus_column_get_property (GObject *object,
                        guint param_id,
                        GValue *value,
                        GParamSpec *pspec)
{
      NautilusColumn *column;
      
      column = NAUTILUS_COLUMN (object);
      
      switch (param_id) {
      case PROP_NAME :
            g_value_set_string (value, column->details->name);
            break;
      case PROP_ATTRIBUTE :
            g_value_set_string (value, g_quark_to_string (column->details->attribute));
            break;
      case PROP_ATTRIBUTE_Q :
            g_value_set_uint (value, column->details->attribute);
            break;
      case PROP_LABEL :
            g_value_set_string (value, column->details->label);
            break;
      case PROP_DESCRIPTION :
            g_value_set_string (value, column->details->description);
            break;
      case PROP_XALIGN :
            g_value_set_float (value, column->details->xalign);
            break;
      default :
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
            break;
      }
}

static void
nautilus_column_set_property (GObject *object,
                         guint param_id,
                         const GValue *value,
                         GParamSpec *pspec)
{
      NautilusColumn *column;
      
      column = NAUTILUS_COLUMN (object);

      switch (param_id) {
      case PROP_NAME :
            g_free (column->details->name);
            column->details->name = g_strdup (g_value_get_string (value));
            g_object_notify (object, "name");
            break;
      case PROP_ATTRIBUTE :
            column->details->attribute = g_quark_from_string (g_value_get_string (value));
            g_object_notify (object, "attribute");
            g_object_notify (object, "attribute_q");
            break;
      case PROP_LABEL :
            g_free (column->details->label);
            column->details->label = g_strdup (g_value_get_string (value));
            g_object_notify (object, "label");
            break;
      case PROP_DESCRIPTION :
            g_free (column->details->description);
            column->details->description = g_strdup (g_value_get_string (value));
            g_object_notify (object, "description");
            break;
      case PROP_XALIGN :
            column->details->xalign = g_value_get_float (value);
            g_object_notify (object, "xalign");       
            break;
      default :
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
            break;
      }
}

static void
nautilus_column_finalize (GObject *object)
{
      NautilusColumn *column;
      
      column = NAUTILUS_COLUMN (object);

      g_free (column->details->name);
      g_free (column->details->label);
      g_free (column->details->description);

      g_free (column->details);

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

static void
nautilus_column_instance_init (NautilusColumn *column)
{
      column->details = g_new0 (NautilusColumnDetails, 1);
      column->details->xalign = 0.0;
}

static void
nautilus_column_class_init (NautilusColumnClass *class)
{
      parent_class = g_type_class_peek_parent (class);
      
      G_OBJECT_CLASS (class)->finalize = nautilus_column_finalize;
      G_OBJECT_CLASS (class)->get_property = nautilus_column_get_property;
      G_OBJECT_CLASS (class)->set_property = nautilus_column_set_property;

      g_object_class_install_property (G_OBJECT_CLASS (class),
                               PROP_NAME,
                               g_param_spec_string ("name",
                                                "Name",
                                                "Name of the column",
                                                NULL,
                                                G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE | G_PARAM_READABLE));
      g_object_class_install_property (G_OBJECT_CLASS (class),
                               PROP_ATTRIBUTE,
                               g_param_spec_string ("attribute",
                                                "Attribute",
                                                "The attribute name to display",
                                                NULL,
                                                G_PARAM_READWRITE));
      g_object_class_install_property (G_OBJECT_CLASS (class),
                               PROP_ATTRIBUTE_Q,
                               g_param_spec_uint ("attribute_q",
                                              "Attribute quark",
                                              "The attribute name to display, in quark form",
                                              0, G_MAXUINT, 0,
                                              G_PARAM_READABLE));
      g_object_class_install_property (G_OBJECT_CLASS (class),
                               PROP_LABEL,
                               g_param_spec_string ("label",
                                                "Label",
                                                "Label to display in the column",
                                                NULL,
                                                G_PARAM_READWRITE));
      g_object_class_install_property (G_OBJECT_CLASS (class),
                               PROP_DESCRIPTION,
                               g_param_spec_string ("description",
                                                "Description",
                                                "A user-visible description of the column",
                                                NULL,
                                                G_PARAM_READWRITE));

      g_object_class_install_property (G_OBJECT_CLASS (class),
                               PROP_XALIGN,
                               g_param_spec_float ("xalign",
                                               "xalign",
                                               "The x-alignment of the column",
                                               0.0,
                                               1.0,
                                               0.0,
                                               G_PARAM_READWRITE));
}

GType 
nautilus_column_get_type (void)
{
      static GType type = 0;
      
      if (!type) {
            const GTypeInfo info = {
                  sizeof (NautilusColumnClass),
                  NULL,
                  NULL,
                  (GClassInitFunc)nautilus_column_class_init,
                  NULL,
                  NULL,
                  sizeof (NautilusColumn),
                  0,
                  (GInstanceInitFunc)nautilus_column_instance_init
            };
            
            type = g_type_register_static 
                  (G_TYPE_OBJECT, 
                   "NautilusColumn",
                   &info, 0);
      }

      return type;
}

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