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-rw-r--r--e-util/e-table-extras.c410
1 files changed, 410 insertions, 0 deletions
diff --git a/e-util/e-table-extras.c b/e-util/e-table-extras.c
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+++ b/e-util/e-table-extras.c
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+/*
+ * e-table-extras.c - Set of hash table sort of thingies.
+ *
+ * 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:
+ * Chris Lahey <clahey@ximian.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <gtk/gtk.h>
+
+#include "e-cell-checkbox.h"
+#include "e-cell-date.h"
+#include "e-cell-number.h"
+#include "e-cell-pixbuf.h"
+#include "e-cell-size.h"
+#include "e-cell-text.h"
+#include "e-cell-tree.h"
+#include "e-table-extras.h"
+#include "e-table-sorting-utils.h"
+
+#define E_TABLE_EXTRAS_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE \
+ ((obj), E_TYPE_TABLE_EXTRAS, ETableExtrasPrivate))
+
+struct _ETableExtrasPrivate {
+ GHashTable *cells;
+ GHashTable *compares;
+ GHashTable *icon_names;
+ GHashTable *searches;
+};
+
+/* workaround for avoiding API breakage */
+#define ete_get_type e_table_extras_get_type
+G_DEFINE_TYPE (ETableExtras, ete, G_TYPE_OBJECT)
+
+static void
+ete_finalize (GObject *object)
+{
+ ETableExtrasPrivate *priv;
+
+ priv = E_TABLE_EXTRAS_GET_PRIVATE (object);
+
+ if (priv->cells) {
+ g_hash_table_destroy (priv->cells);
+ priv->cells = NULL;
+ }
+
+ if (priv->compares) {
+ g_hash_table_destroy (priv->compares);
+ priv->compares = NULL;
+ }
+
+ if (priv->searches) {
+ g_hash_table_destroy (priv->searches);
+ priv->searches = NULL;
+ }
+
+ if (priv->icon_names) {
+ g_hash_table_destroy (priv->icon_names);
+ priv->icon_names = NULL;
+ }
+
+ G_OBJECT_CLASS (ete_parent_class)->finalize (object);
+}
+
+static void
+ete_class_init (ETableExtrasClass *class)
+{
+ GObjectClass *object_class;
+
+ g_type_class_add_private (class, sizeof (ETableExtrasPrivate));
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->finalize = ete_finalize;
+}
+
+static gint
+e_strint_compare (gconstpointer data1,
+ gconstpointer data2)
+{
+ gint int1 = atoi (data1);
+ gint int2 = atoi (data2);
+
+ return e_int_compare (GINT_TO_POINTER (int1), GINT_TO_POINTER (int2));
+}
+
+/* UTF-8 strncasecmp - not optimized */
+
+static gint
+g_utf8_strncasecmp (const gchar *s1,
+ const gchar *s2,
+ guint n)
+{
+ gunichar c1, c2;
+
+ g_return_val_if_fail (s1 != NULL && g_utf8_validate (s1, -1, NULL), 0);
+ g_return_val_if_fail (s2 != NULL && g_utf8_validate (s2, -1, NULL), 0);
+
+ while (n && *s1 && *s2)
+ {
+
+ n -= 1;
+
+ c1 = g_unichar_tolower (g_utf8_get_char (s1));
+ c2 = g_unichar_tolower (g_utf8_get_char (s2));
+
+ /* Collation is locale-dependent, so this
+ * totally fails to do the right thing. */
+ if (c1 != c2)
+ return c1 < c2 ? -1 : 1;
+
+ s1 = g_utf8_next_char (s1);
+ s2 = g_utf8_next_char (s2);
+ }
+
+ if (n == 0 || (*s1 == '\0' && *s2 == '\0'))
+ return 0;
+
+ return *s1 ? 1 : -1;
+}
+
+static gboolean
+e_string_search (gconstpointer haystack,
+ const gchar *needle)
+{
+ gint length;
+ if (haystack == NULL)
+ return FALSE;
+
+ length = g_utf8_strlen (needle, -1);
+ if (g_utf8_strncasecmp (haystack, needle, length) == 0)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+static gint
+e_table_str_case_compare (gconstpointer x,
+ gconstpointer y,
+ gpointer cmp_cache)
+{
+ const gchar *cx = NULL, *cy = NULL;
+
+ if (!cmp_cache)
+ return e_str_case_compare (x, y);
+
+ if (x == NULL || y == NULL) {
+ if (x == y)
+ return 0;
+ else
+ return x ? -1 : 1;
+ }
+
+ #define prepare_value(_z, _cz) \
+ _cz = e_table_sorting_utils_lookup_cmp_cache (cmp_cache, _z); \
+ if (!_cz) { \
+ gchar *tmp = g_utf8_casefold (_z, -1); \
+ _cz = g_utf8_collate_key (tmp, -1); \
+ g_free (tmp); \
+ \
+ e_table_sorting_utils_add_to_cmp_cache ( \
+ cmp_cache, _z, (gchar *) _cz); \
+ }
+
+ prepare_value (x, cx);
+ prepare_value (y, cy);
+
+ #undef prepare_value
+
+ return strcmp (cx, cy);
+}
+
+static gint
+e_table_collate_compare (gconstpointer x,
+ gconstpointer y,
+ gpointer cmp_cache)
+{
+ const gchar *cx = NULL, *cy = NULL;
+
+ if (!cmp_cache)
+ return e_collate_compare (x, y);
+
+ if (x == NULL || y == NULL) {
+ if (x == y)
+ return 0;
+ else
+ return x ? -1 : 1;
+ }
+
+ #define prepare_value(_z, _cz) \
+ _cz = e_table_sorting_utils_lookup_cmp_cache (cmp_cache, _z); \
+ if (!_cz) { \
+ _cz = g_utf8_collate_key (_z, -1); \
+ \
+ e_table_sorting_utils_add_to_cmp_cache ( \
+ cmp_cache, _z, (gchar *) _cz); \
+ }
+
+ prepare_value (x, cx);
+ prepare_value (y, cy);
+
+ #undef prepare_value
+
+ return strcmp (cx, cy);
+}
+
+static void
+safe_unref (gpointer object)
+{
+ if (object != NULL)
+ g_object_unref (object);
+}
+
+static void
+ete_init (ETableExtras *extras)
+{
+ ECell *cell, *sub_cell;
+
+ extras->priv = E_TABLE_EXTRAS_GET_PRIVATE (extras);
+
+ extras->priv->cells = g_hash_table_new_full (
+ g_str_hash, g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) safe_unref);
+
+ extras->priv->compares = g_hash_table_new_full (
+ g_str_hash, g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) NULL);
+
+ extras->priv->icon_names = g_hash_table_new_full (
+ g_str_hash, g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) g_free);
+
+ extras->priv->searches = g_hash_table_new_full (
+ g_str_hash, g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) NULL);
+
+ e_table_extras_add_compare (
+ extras, "string",
+ (GCompareDataFunc) e_str_compare);
+ e_table_extras_add_compare (
+ extras, "stringcase",
+ (GCompareDataFunc) e_table_str_case_compare);
+ e_table_extras_add_compare (
+ extras, "collate",
+ (GCompareDataFunc) e_table_collate_compare);
+ e_table_extras_add_compare (
+ extras, "integer",
+ (GCompareDataFunc) e_int_compare);
+ e_table_extras_add_compare (
+ extras, "string-integer",
+ (GCompareDataFunc) e_strint_compare);
+
+ e_table_extras_add_search (extras, "string", e_string_search);
+
+ cell = e_cell_checkbox_new ();
+ e_table_extras_add_cell (extras, "checkbox", cell);
+ g_object_unref (cell);
+
+ cell = e_cell_date_new (NULL, GTK_JUSTIFY_LEFT);
+ e_table_extras_add_cell (extras, "date", cell);
+ g_object_unref (cell);
+
+ cell = e_cell_number_new (NULL, GTK_JUSTIFY_RIGHT);
+ e_table_extras_add_cell (extras, "number", cell);
+ g_object_unref (cell);
+
+ cell = e_cell_pixbuf_new ();
+ e_table_extras_add_cell (extras, "pixbuf", cell);
+ g_object_unref (cell);
+
+ cell = e_cell_size_new (NULL, GTK_JUSTIFY_RIGHT);
+ e_table_extras_add_cell (extras, "size", cell);
+ g_object_unref (cell);
+
+ cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
+ e_table_extras_add_cell (extras, "string", cell);
+ g_object_unref (cell);
+
+ sub_cell = e_cell_text_new (NULL, GTK_JUSTIFY_LEFT);
+ cell = e_cell_tree_new (TRUE, sub_cell);
+ e_table_extras_add_cell (extras, "tree-string", cell);
+ g_object_unref (sub_cell);
+ g_object_unref (cell);
+}
+
+ETableExtras *
+e_table_extras_new (void)
+{
+ return g_object_new (E_TYPE_TABLE_EXTRAS, NULL);
+}
+
+void
+e_table_extras_add_cell (ETableExtras *extras,
+ const gchar *id,
+ ECell *cell)
+{
+ g_return_if_fail (E_IS_TABLE_EXTRAS (extras));
+ g_return_if_fail (id != NULL);
+
+ if (cell != NULL)
+ g_object_ref_sink (cell);
+
+ g_hash_table_insert (extras->priv->cells, g_strdup (id), cell);
+}
+
+ECell *
+e_table_extras_get_cell (ETableExtras *extras,
+ const gchar *id)
+{
+ g_return_val_if_fail (E_IS_TABLE_EXTRAS (extras), NULL);
+ g_return_val_if_fail (id != NULL, NULL);
+
+ return g_hash_table_lookup (extras->priv->cells, id);
+}
+
+void
+e_table_extras_add_compare (ETableExtras *extras,
+ const gchar *id,
+ GCompareDataFunc compare)
+{
+ g_return_if_fail (E_IS_TABLE_EXTRAS (extras));
+ g_return_if_fail (id != NULL);
+
+ g_hash_table_insert (
+ extras->priv->compares,
+ g_strdup (id), (gpointer) compare);
+}
+
+GCompareDataFunc
+e_table_extras_get_compare (ETableExtras *extras,
+ const gchar *id)
+{
+ g_return_val_if_fail (E_IS_TABLE_EXTRAS (extras), NULL);
+ g_return_val_if_fail (id != NULL, NULL);
+
+ return g_hash_table_lookup (extras->priv->compares, id);
+}
+
+void
+e_table_extras_add_search (ETableExtras *extras,
+ const gchar *id,
+ ETableSearchFunc search)
+{
+ g_return_if_fail (E_IS_TABLE_EXTRAS (extras));
+ g_return_if_fail (id != NULL);
+
+ g_hash_table_insert (
+ extras->priv->searches,
+ g_strdup (id), (gpointer) search);
+}
+
+ETableSearchFunc
+e_table_extras_get_search (ETableExtras *extras,
+ const gchar *id)
+{
+ g_return_val_if_fail (E_IS_TABLE_EXTRAS (extras), NULL);
+ g_return_val_if_fail (id != NULL, NULL);
+
+ return g_hash_table_lookup (extras->priv->searches, id);
+}
+
+void
+e_table_extras_add_icon_name (ETableExtras *extras,
+ const gchar *id,
+ const gchar *icon_name)
+{
+ g_return_if_fail (E_IS_TABLE_EXTRAS (extras));
+ g_return_if_fail (id != NULL);
+
+ g_hash_table_insert (
+ extras->priv->icon_names,
+ g_strdup (id), g_strdup (icon_name));
+}
+
+const gchar *
+e_table_extras_get_icon_name (ETableExtras *extras,
+ const gchar *id)
+{
+ g_return_val_if_fail (E_IS_TABLE_EXTRAS (extras), NULL);
+ g_return_val_if_fail (id != NULL, NULL);
+
+ return g_hash_table_lookup (extras->priv->icon_names, id);
+}
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