Added setEnabled(boolean)/isEnabled() methods to FileUpload.java

Patch by: jlabanca
Review by: rjrjr
Issue: 633

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@5040 8db76d5a-ed1c-0410-87a9-c151d255dfc7

user/src/com/google/gwt/user/client/ui/FileUpload.java

diff --git a/user/src/com/google/gwt/user/client/ui/FileUpload.java b/user/src/com/google/gwt/user/client/ui/FileUpload.java
index dba1f02..792c8d8 100644
--- a/user/src/com/google/gwt/user/client/ui/FileUpload.java
+++ b/user/src/com/google/gwt/user/client/ui/FileUpload.java
@@ -90,7 +90,8 @@
           // Trigger a change event now.
           if (eventPending) {
             allowEvent = true;
-            fileUpload.getElement().dispatchEvent(Document.get().createChangeEvent());
+            fileUpload.getElement().dispatchEvent(
+                Document.get().createChangeEvent());
             allowEvent = false;
             eventPending = false;
           }
@@ -165,6 +166,15 @@
     return getInputElement().getName();
   }
 
+  /**
+   * Gets whether this widget is enabled.
+   * 
+   * @return <code>true</code> if the widget is enabled
+   */
+  public boolean isEnabled() {
+    return !getElement().getPropertyBoolean("disabled");
+  }
+
   @Override
   public void onBrowserEvent(Event event) {
     if (impl.onBrowserEvent(event)) {
@@ -172,6 +182,16 @@
     }
   }
 
+  /**
+   * Sets whether this widget is enabled.
+   * 
+   * @param enabled <code>true</code> to enable the widget, <code>false</code>
+   *          to disable it
+   */
+  public void setEnabled(boolean enabled) {
+    getElement().setPropertyBoolean("disabled", !enabled);
+  }
+
   public void setName(String name) {
     getInputElement().setName(name);
   }

user/test/com/google/gwt/user/UISuite.java

diff --git a/user/test/com/google/gwt/user/UISuite.java b/user/test/com/google/gwt/user/UISuite.java
index 0566294..f5ec867 100644
--- a/user/test/com/google/gwt/user/UISuite.java
+++ b/user/test/com/google/gwt/user/UISuite.java
@@ -45,6 +45,7 @@
 import com.google.gwt.user.client.ui.DockPanelTest;
 import com.google.gwt.user.client.ui.ElementWrappingTest;
 import com.google.gwt.user.client.ui.FastStringMapTest;
+import com.google.gwt.user.client.ui.FileUploadTest;
 import com.google.gwt.user.client.ui.FlexTableTest;
 import com.google.gwt.user.client.ui.FlowPanelTest;
 import com.google.gwt.user.client.ui.FocusPanelTest;
@@ -125,6 +126,7 @@
     suite.addTestSuite(ElementWrappingTest.class);
     suite.addTestSuite(EventTest.class);
     suite.addTestSuite(FastStringMapTest.class);
+    suite.addTestSuite(FileUploadTest.class);
     suite.addTestSuite(FlexTableTest.class);
     suite.addTestSuite(FlowPanelTest.class);
     suite.addTestSuite(FocusPanelTest.class);

user/test/com/google/gwt/user/client/ui/FileUploadTest.java

diff --git a/user/test/com/google/gwt/user/client/ui/FileUploadTest.java b/user/test/com/google/gwt/user/client/ui/FileUploadTest.java
new file mode 100644
index 0000000..8663d03
--- /dev/null
+++ b/user/test/com/google/gwt/user/client/ui/FileUploadTest.java
@@ -0,0 +1,38 @@
+/*

+ * Copyright 2009 Google Inc.

+ * 

+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not

+ * use this file except in compliance with the License. You may obtain a copy of

+ * the License at

+ * 

+ * http://www.apache.org/licenses/LICENSE-2.0

+ * 

+ * Unless required by applicable law or agreed to in writing, software

+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

+ * License for the specific language governing permissions and limitations under

+ * the License.

+ */

+package com.google.gwt.user.client.ui;

+

+import com.google.gwt.junit.client.GWTTestCase;

+

+/**

+ * Tests for {@link FileUpload}.

+ * 

+ */

+public class FileUploadTest extends GWTTestCase {

+

+  public String getModuleName() {

+    return "com.google.gwt.user.User";

+  }

+

+  public void testDisable() {

+    FileUpload fileUpload = new FileUpload();

+    assertTrue(fileUpload.isEnabled());

+    fileUpload.setEnabled(false);

+    assertFalse(fileUpload.isEnabled());

+    fileUpload.setEnabled(true);

+    assertTrue(fileUpload.isEnabled());

+  }

+}