Updated message formatting to be more compatible with Dart string interpolation.

lib/i18n/date_format.dart

Index: lib/i18n/date_format.dart
diff --git a/lib/i18n/date_format.dart b/lib/i18n/date_format.dart
index 447ec9c47505ae51a7215d08857cea2e60355146..6d0666a0fd9542a1f37e4a790d4eda16da8b2094 100644
--- a/lib/i18n/date_format.dart
+++ b/lib/i18n/date_format.dart
@@ -3,10 +3,10 @@
  * for details. All rights reserved. Use of this source code is governed by a
  * BSD-style license that can be found in the LICENSE file.
  *
- * DateFormat is for formatting and parsing dates in a locale-sensitive 
- * manner. 
- * It allows the user to use any customized pattern to parse or format 
- * date-time strings under certain locales. Date elements that vary across 
+ * DateFormat is for formatting and parsing dates in a locale-sensitive
+ * manner.
+ * It allows the user to use any customized pattern to parse or format
+ * date-time strings under certain locales. Date elements that vary across
  * locales include month name, weekname, field, order, etc.
  *
  * This library uses the ICU/JDK date/time pattern specification as described
@@ -104,11 +104,19 @@
 
 class DateFormat {
 
-  /** Definition of this object formats dates. */
+  /** Definition of how this object formats dates.

[Emily Fortuna, 2012/06/05 22:34:17]

the top line of this sort of comment should be blank:
/**
  * Comment begins here.

[Alan Knight, 2012/06/06 22:05:58]

Done.

+   * (TODO) alanknight This might just be a String, but it's not clear yet.
+   */
   var formatDefinition;
 
+  /** The locale we use to format dates.

[Emily Fortuna, 2012/06/05 22:34:17]

same.

[Alan Knight, 2012/06/06 22:05:58]

Done.

+   * (TODO) alanknight Is there a Locale type? Or is this just a string?
+   */
+  var locale;
+
+
    /** Date/Time format patterns. */
-   // TODO(alanknight): There's a style question of whether to use fullDate or 
+   // TODO(alanknight): There's a style question of whether to use fullDate or
    // FULL_DATE naming conventions.
    static final int _fullDate = 0;
    static final int _longDate = 1;
@@ -122,11 +130,9 @@ class DateFormat {
    static final int _longDateTime = 9;
    static final int _mediumDateTime = 10;
    static final int _shortDateTime = 11;
-    
+
   /**
    * Named constructors for each of the above values.
-   * These could probably be made shorter if we just set the format to the 
-   * constant and the parsing was lazy.
    */
   DateFormat.fullDate() : this.formatDefinition = _fullDate;
   DateFormat.longDate() : this.formatDefinition = _longDate;
@@ -140,18 +146,28 @@ class DateFormat {
   DateFormat.longDateTime() : this.formatDefinition = _longDateTime;
   DateFormat.mediumDateTime() : this.formatDefinition = _mediumDateTime;
   DateFormat.shortDateTime() : this.formatDefinition = _shortDateTime;
-  
+
+  /**
+   * Explicit constructor given a particular format
+   */
   DateFormat(this.formatDefinition);
 
   /**
-   * 
+   * Constructors for dates/times that use a default format.
+   */
+  DateFormat.date([this.locale]) : formatDefinition = _fullDate;
+  DateFormat.time() : formatDefinition = _fullTime;
+  DateFormat.dateTime() : formatDefinition = _fullDateTime;
+
+  /**
+   *
    */
   String parse(String inputString) {
     return inputString;
   }
 
  /**
-  * Format the given [date] object according to preset pattern and current 
+  * Format the given [date] object according to preset pattern and current
   * locale and return a formated string for the given date.
   */
   String format(Date date, [TimeZone timeZone]) {