Delete appointments with empty summaries. Fixes Ximian bug #780.

2001-10-27  Federico Mena Quintero  <federico@ximian.com>

	* gui/e-day-view.c (e_day_view_on_editing_stopped): Delete
	appointments with empty summaries.  Fixes Ximian bug #780.

	* gui/e-week-view.c (e_week_view_on_editing_stopped): Likewise.

	* gui/dialogs/delete-comp.c (delete_component_dialog): Added an
	argument to specify whether we unconditionally want single
	components to be considered as not having a summary.

	* gui/comp-util.c (cal_comp_confirm_delete_empty_comp): New
	function.

	* gui/misc.[ch]: New files with miscellaneous utility functions;
	moved string_is_empty() over from calendar-model.c.

	* gui/calendar-model.c: Use the string_is_empty()
	function from misc.c.

	* gui/Makefile.am (evolution_calendar_SOURCES): Added misc.[ch] to
	the list of sources.

svn path=/trunk/; revision=14233

1 files changed, 60 insertions, 0 deletions

diff --git a/calendar/gui/misc.c b/calendar/gui/misc.c
new file mode 100644
index 0000000000..9f9aa77296
--- /dev/null
+++ b/calendar/gui/misc.c
@@ -0,0 +1,60 @@
+/* Evolution calendar - Miscellaneous utility functions
+ *
+ * Copyright (C) 2001 Ximian, Inc.
+ *
+ * Authors: Federico Mena-Quintero <federico@ximian.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include "misc.h"
+
+
+
+/**
+ * string_is_empty:
+ * @value: A string.
+ * 
+ * Returns whether a string is NULL, the empty string, or completely made up of
+ * whitespace characters.
+ * 
+ * Return value: TRUE if the string is empty, FALSE otherwise.
+ **/
+gboolean
+string_is_empty (const char *value)
+{
+	const char *p;
+	gboolean empty;
+
+	empty = TRUE;
+
+	if (value) {
+		p = value;
+		while (*p) {
+			if (!isspace ((unsigned char) *p)) {
+				empty = FALSE;
+				break;
+			}
+			p++;
+		}
+	}
+	return empty;
+
+}