GMD Addins - DateInputParser - added convenience method with components getter also make sure the clear the valuebox whenever we have invalid entry.

Author: kevin-i3

src/main/java/gwt/material/design/addins/client/inputmask/MaterialDateInputMask.java

@@ -41,9 +41,9 @@
 public class MaterialDateInputMask extends AbstractValueWidget<Date>
     implements HasFieldTypes, HasLabel, HasInputMaskHandlers, HasPlaceholder, HasReadOnly, HasActive, HasToggleReadOnlyHandler, HasAutocomplete, HasPasteHandlers, HasFieldSensitivity {
 
-    private String format = "YYYY-mm-dd";
-    private MaterialInputMask inputMask;
-    private DateInputParser inputParser;
+    protected String format = "YYYY-mm-dd";
+    protected MaterialInputMask inputMask;
+    protected DateInputParser inputParser;
 
     public MaterialDateInputMask() {
         super(DOM.createDiv());
@@ -220,6 +220,22 @@ public HandlerRegistration addPasteHandler(PasteEvent.PasteEventHandler handler)
         return inputMask.addPasteHandler(handler);
     }
 
+    public DateInputParser getInputParser() {
+        return inputParser;
+    }
+
+    public void setInputParser(DateInputParser inputParser) {
+        this.inputParser = inputParser;
+    }
+
+    public MaterialInputMask getInputMask() {
+        return inputMask;
+    }
+
+    public void setInputMask(MaterialInputMask inputMask) {
+        this.inputMask = inputMask;
+    }
+
     @Override
     public String getPlaceholder() {
         return inputMask.getPlaceholder();

src/main/java/gwt/material/design/addins/client/inputmask/base/DateInputParser.java

@@ -26,7 +26,7 @@
 
 public class DateInputParser<T extends AbstractInputMask<String>> {
 
-    private final T valuebox;
+    protected final T valuebox;
 
     public DateInputParser(T valuebox) {
         this.valuebox = valuebox;
@@ -43,6 +43,8 @@ public Date parseDate(String format) {
     public void setValue(String format, Date value) {
         if (value != null) {
             valuebox.setValue(DateTimeFormat.getFormat(format).format(value), true);
+        } else {
+            valuebox.clear();
         }
     }