Merge branch 'master' into release_1.5.1

Conflicts:
	README.md

Author: kevzlou7979

README.md

@@ -7,7 +7,7 @@
 
 
 ## Demo
-* [1.5 Release Demo](http://gwtmaterialdesign.github.io/gwt-material-demo/)
+* [1.5.0 Release Demo](http://gwtmaterialdesign.github.io/gwt-material-demo/)
 * [1.5.1 Snapshot Demo](http://gwtmaterialdesign.github.io/gwt-material-demo/snapshot/)
 
 ## Documentation

gwt-material/src/main/java/gwt/material/design/client/ui/MaterialDatePicker.java

@@ -118,6 +118,12 @@ protected void onAttach() {
         setPlaceholder(this.placeholder);
     }
 
+    @Override
+    protected void onDetach() {
+        super.onDetach();
+        removeClickHandler(pickatizedDateInput, this);
+    }
+
     @Override
     public void clear() {
         if (initialized) {
@@ -146,6 +152,10 @@ public void setDateSelectionType(MaterialDatePickerType type) {
         }
     }
 
+    native void removeClickHandler(Element picker, MaterialDatePicker parent) /*-{
+        picker.pickadate('picker').off("close", "open", "set");
+    }-*/;
+
     native void initClickHandler(Element picker, MaterialDatePicker parent) /*-{
         picker.pickadate('picker').on({
             close: function () {
@@ -287,6 +297,15 @@ public static native JsDate getDatePickerValue(Element picker)/*-{
         return picker.pickadate('picker').get('select').obj;
     }-*/;
 
+    /**
+     * Clears the values of the picker field.
+     */
+    public void clearValues() {
+        if (pickatizedDateInput != null) {
+            clearValues(pickatizedDateInput);
+        }
+    }
+
     public native void clearValues(Element picker) /*-{
         picker.pickadate('picker').clear();
     }-*/;

gwt-material/src/main/java/gwt/material/design/client/ui/MaterialValueBox.java

@@ -1,5 +1,8 @@
 package gwt.material.design.client.ui;
 
+import com.google.gwt.core.client.Scheduler;
+import com.google.gwt.core.client.Scheduler.ScheduledCommand;
+
 /*
  * #%L
  * GwtMaterial
@@ -733,8 +736,32 @@ public void setAccessKey(char key) {
     }
 
     @Override
-    public void setFocus(boolean focused) {
-        valueBoxBase.setFocus(focused);
+    public void setFocus(final boolean focused) {
+	Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+
+	    @Override
+	    public void execute() {
+		valueBoxBase.setFocus(focused);
+		if (focused) {
+		    label.addStyleName("active");
+		} else {
+		    updateLabelActiveStyle();
+		}
+	    }
+	});
+    }
+    
+    /**
+     * Updates the style of the field label according to the field value if the
+     * field value is empty - null or "" - removes the label 'active' style else
+     * will add the 'active' style to the field label.
+     */
+    private void updateLabelActiveStyle() {
+	if (this.valueBoxBase.getText() != null && !this.valueBoxBase.getText().isEmpty()) {
+	    label.addStyleName("active");
+	} else {
+	    label.removeStyleName("active");
+	}
     }
 
     @Override