0
@@ -113,7 +113,7 @@ class CalendarDateSelect
0
     def calendar_date_select_process_options(options)
0
       calendar_options = {}
0
       callbacks = [:before_show, :before_close, :after_show, :after_close, :after_navigate]
0
-      for key in [:time, :valid_date_check, :embedded, :buttons, :format, :year_range, :month_year, :popup, :hidden, :minute_interval] + callbacks
0
+      for key in [:time, :valid_date_check, :embedded, :buttons, :clear_button, :format, :year_range, :month_year, :popup, :hidden, :minute_interval] + callbacks
0
         calendar_options[key] = options.delete(key) if options.has_key?(key)
0
       end
0
       

0
@@ -47,7 +47,8 @@ window.f_scrollTop = function() { return ([window.pageYOffset ? window.pageYOffs
0
 _translations = {
0
   "OK": "OK",
0
   "Now": "Now",
0
-  "Today": "Today"
0
+  "Today": "Today",
0
+  "Clear": "Clear"
0
 }
0
 SelectBox = Class.create();
0
 SelectBox.prototype = {
0
@@ -82,6 +83,7 @@ CalendarDateSelect.prototype = {
0
       popup: nil,
0
       time: false,
0
       buttons: true,
0
+      clear_button: true,
0
       year_range: 10,
0
       close_on_click: nil,
0
       minute_interval: 5,
0
@@ -235,6 +237,10 @@ CalendarDateSelect.prototype = {
0
       {
0
         buttons_div.build("span", {innerHTML: " "});
0
         buttons_div.build("a", { innerHTML: _translations["OK"], href: "#", onclick: function() {this.close(); return false;}.bindAsEventListener(this) });
0
+        buttons_div.build("span", {innerHTML: " "});
0
+        if (this.options.get('clear_button')) {
0
+          buttons_div.build("a", { innerHTML: _translations["Clear"], href: "#", onclick: function() {this.clearDate(); this.close(); return false;}.bindAsEventListener(this) });
0
+        }
0
       }
0
     }
0
   },
0
@@ -337,6 +343,10 @@ CalendarDateSelect.prototype = {
0
     this.date.setDate(1);
0
   },
0
   updateFooter:function(text) { if (!text) text = this.dateString(); this.footer_div.purgeChildren(); this.footer_div.build("span", {innerHTML: text }); },
0
+  clearDate:function() {
0
+    if ((this.target_element.disabled || this.target_element.readOnly) && this.options.get("popup") != "force") return false;
0
+    this.target_element.value = "";
0
+  },
0
   updateSelectedDate:function(partsOrElement, via_click) {
0
     var parts = $H(partsOrElement);
0
     if ((this.target_element.disabled || this.target_element.readOnly) && this.options.get("popup") != "force") return false;