Merge "Extend NpTextBox to support hinting and use it."

2010-08-25 13:06:56 -07:00
parent 9afb50af02 644efd0815
commit cfe5c6b49c
6 changed files with 166 additions and 199 deletions
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchPanel.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchPanel.java
@@ -15,14 +15,11 @@
 package com.google.gerrit.client;

 import com.google.gerrit.client.changes.QueryScreen;
+import com.google.gerrit.client.ui.HintTextBox;
 import com.google.gerrit.common.PageLinks;
 import com.google.gerrit.reviewdb.Change;
-import com.google.gwt.event.dom.client.BlurEvent;
-import com.google.gwt.event.dom.client.BlurHandler;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
-import com.google.gwt.event.dom.client.FocusEvent;
-import com.google.gwt.event.dom.client.FocusHandler;
 import com.google.gwt.event.dom.client.KeyCodes;
 import com.google.gwt.event.dom.client.KeyPressEvent;
 import com.google.gwt.event.dom.client.KeyPressHandler;
@@ -35,7 +32,7 @@ import com.google.gwtexpui.globalkey.client.KeyCommand;
 import com.google.gwtexpui.globalkey.client.NpTextBox;

 class SearchPanel extends Composite {
-  private final NpTextBox searchBox;
+  private final HintTextBox searchBox;
  private HandlerRegistration regFocus;

  SearchPanel() {
@@ -43,28 +40,9 @@ class SearchPanel extends Composite {
    initWidget(body);
    setStyleName(Gerrit.RESOURCES.css().searchPanel());

-    searchBox = new NpTextBox();
+    searchBox = new HintTextBox();
    searchBox.setVisibleLength(70);
-    searchBox.setText(Gerrit.C.searchHint());
-    searchBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    searchBox.addFocusHandler(new FocusHandler() {
-      @Override
-      public void onFocus(FocusEvent event) {
-        if (Gerrit.C.searchHint().equals(searchBox.getText())) {
-          searchBox.setText("");
-          searchBox.removeStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
-    searchBox.addBlurHandler(new BlurHandler() {
-      @Override
-      public void onBlur(BlurEvent event) {
-        if ("".equals(searchBox.getText())) {
-          searchBox.setText(Gerrit.C.searchHint());
-          searchBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
+    searchBox.setHintText(Gerrit.C.searchHint());
    searchBox.addKeyPressHandler(new KeyPressHandler() {
      @Override
      public void onKeyPress(final KeyPressEvent event) {
@@ -93,13 +71,7 @@ class SearchPanel extends Composite {
  }

  void setText(final String query) {
-    if (query == null || query.equals("")) {
-      searchBox.setText(Gerrit.C.searchHint());
-      searchBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    } else {
-      searchBox.setText(query);
-      searchBox.removeStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    }
+    searchBox.setText(query);
  }

  @Override
@@ -129,7 +101,7 @@ class SearchPanel extends Composite {

  private void doSearch() {
    final String query = searchBox.getText().trim();
-    if (query.length() == 0 || Gerrit.C.searchHint().equals(query)) {
+    if ("".equals(query)) {
      return;
    }

--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/account/MyWatchedProjectsScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/account/MyWatchedProjectsScreen.java
@@ -18,17 +18,14 @@ import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.rpc.GerritCallback;
 import com.google.gerrit.client.rpc.ScreenLoadCallback;
 import com.google.gerrit.client.ui.FancyFlexTable;
+import com.google.gerrit.client.ui.HintTextBox;
 import com.google.gerrit.client.ui.ProjectLink;
 import com.google.gerrit.client.ui.ProjectNameSuggestOracle;
 import com.google.gerrit.common.data.AccountProjectWatchInfo;
 import com.google.gerrit.reviewdb.AccountProjectWatch;
 import com.google.gerrit.reviewdb.Change.Status;
-import com.google.gwt.event.dom.client.BlurEvent;
-import com.google.gwt.event.dom.client.BlurHandler;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
-import com.google.gwt.event.dom.client.FocusEvent;
-import com.google.gwt.event.dom.client.FocusHandler;
 import com.google.gwt.event.dom.client.KeyCodes;
 import com.google.gwt.event.dom.client.KeyPressEvent;
 import com.google.gwt.event.dom.client.KeyPressHandler;
@@ -44,7 +41,6 @@ import com.google.gwt.user.client.ui.SuggestBox;
 import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
 import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
 import com.google.gwt.user.client.ui.SuggestOracle.Suggestion;
-import com.google.gwtexpui.globalkey.client.NpTextBox;
 import com.google.gwtjsonrpc.client.VoidResult;

 import java.util.HashSet;
@@ -54,9 +50,9 @@ public class MyWatchedProjectsScreen extends SettingsScreen {
  private WatchTable watches;

  private Button addNew;
-  private NpTextBox nameBox;
+  private HintTextBox nameBox;
  private SuggestBox nameTxt;
-  private NpTextBox filterTxt;
+  private HintTextBox filterTxt;
  private Button delSel;
  private boolean submitOnSelection;

@@ -65,29 +61,10 @@ public class MyWatchedProjectsScreen extends SettingsScreen {
    super.onInitUI();

    {
-      nameBox = new NpTextBox();
+      nameBox = new HintTextBox();
      nameTxt = new SuggestBox(new ProjectNameSuggestOracle(), nameBox);
      nameBox.setVisibleLength(50);
-      nameBox.setText(Util.C.defaultProjectName());
-      nameBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-      nameBox.addFocusHandler(new FocusHandler() {
-        @Override
-        public void onFocus(FocusEvent event) {
-          if (Util.C.defaultProjectName().equals(nameBox.getText())) {
-            nameBox.setText("");
-            nameBox.removeStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-          }
-        }
-      });
-      nameBox.addBlurHandler(new BlurHandler() {
-        @Override
-        public void onBlur(BlurEvent event) {
-          if ("".equals(nameBox.getText())) {
-            nameBox.setText(Util.C.defaultProjectName());
-            nameBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-          }
-        }
-      });
+      nameBox.setHintText(Util.C.defaultProjectName());
      nameBox.addKeyPressHandler(new KeyPressHandler() {
        @Override
        public void onKeyPress(KeyPressEvent event) {
@@ -112,28 +89,9 @@ public class MyWatchedProjectsScreen extends SettingsScreen {
        }
      });

-      filterTxt = new NpTextBox();
+      filterTxt = new HintTextBox();
      filterTxt.setVisibleLength(50);
-      filterTxt.setText(Util.C.defaultFilter());
-      filterTxt.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-      filterTxt.addFocusHandler(new FocusHandler() {
-        @Override
-        public void onFocus(FocusEvent event) {
-          if (Util.C.defaultFilter().equals(filterTxt.getText())) {
-            filterTxt.setText("");
-            filterTxt.removeStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-          }
-        }
-      });
-      filterTxt.addBlurHandler(new BlurHandler() {
-        @Override
-        public void onBlur(BlurEvent event) {
-          if ("".equals(filterTxt.getText())) {
-            filterTxt.setText(Util.C.defaultFilter());
-            filterTxt.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-          }
-        }
-      });
+      filterTxt.setHintText(Util.C.defaultFilter());
      filterTxt.addKeyPressHandler(new KeyPressHandler() {
        @Override
        public void onKeyPress(KeyPressEvent event) {
@@ -188,8 +146,7 @@ public class MyWatchedProjectsScreen extends SettingsScreen {

  void doAddNew() {
    final String projectName = nameTxt.getText();
-    if (projectName == null || projectName.length() == 0
-        || Util.C.defaultProjectName().equals(projectName)) {
+    if ("".equals(projectName)) {
      return;
    }

--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AccessRightEditor.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/AccessRightEditor.java
@@ -17,6 +17,7 @@ package com.google.gerrit.client.admin;
 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.rpc.GerritCallback;
 import com.google.gerrit.client.ui.AccountGroupSuggestOracle;
+import com.google.gerrit.client.ui.HintTextBox;
 import com.google.gerrit.common.data.ApprovalType;
 import com.google.gerrit.common.data.ProjectDetail;
 import com.google.gerrit.reviewdb.ApprovalCategory;
@@ -45,15 +46,14 @@ import com.google.gwt.user.client.ui.FlowPanel;
 import com.google.gwt.user.client.ui.Grid;
 import com.google.gwt.user.client.ui.ListBox;
 import com.google.gwt.user.client.ui.SuggestBox;
-import com.google.gwtexpui.globalkey.client.NpTextBox;

 public class AccessRightEditor extends Composite
    implements HasValueChangeHandlers<ProjectDetail> {
  private Project.NameKey projectKey;
  private ListBox catBox;
-  private NpTextBox nameTxt;
+  private HintTextBox nameTxt;
  private SuggestBox nameSug;
-  private NpTextBox referenceTxt;
+  private HintTextBox referenceTxt;
  private ListBox topBox;
  private ListBox botBox;
  private Button addBut;
@@ -99,32 +99,12 @@ public class AccessRightEditor extends Composite
      }
    });

-    nameTxt = new NpTextBox();
+    nameTxt = new HintTextBox();
    nameSug = new SuggestBox(new AccountGroupSuggestOracle(), nameTxt);
    nameTxt.setVisibleLength(50);
-    nameTxt.setText(Util.C.defaultAccountGroupName());
-    nameTxt.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    nameTxt.addFocusHandler(new FocusHandler() {
-      @Override
-      public void onFocus(FocusEvent event) {
-        if (Util.C.defaultAccountGroupName().equals(nameTxt.getText())) {
-          nameTxt.setText("");
-          nameTxt.removeStyleName(Gerrit.RESOURCES.css()
-              .inputFieldTypeHint());
-        }
-      }
-    });
-    nameTxt.addBlurHandler(new BlurHandler() {
-      @Override
-      public void onBlur(BlurEvent event) {
-        if ("".equals(nameTxt.getText())) {
-          nameTxt.setText(Util.C.defaultAccountGroupName());
-          nameTxt.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
+    nameTxt.setHintText(Util.C.defaultAccountGroupName());

-    referenceTxt = new NpTextBox();
+    referenceTxt = new HintTextBox();
    referenceTxt.setVisibleLength(50);
    referenceTxt.setText("");
    referenceTxt.addKeyPressHandler(new KeyPressHandler() {
@@ -196,7 +176,7 @@ public class AccessRightEditor extends Composite

  public void clear() {
    setCat(null);
-    setName(Util.C.defaultAccountGroupName());
+    setName("");
    setReference("");
  }

@@ -319,11 +299,6 @@ public class AccessRightEditor extends Composite
  }

  protected void setName(final String name) {
-    if (Util.C.defaultAccountGroupName().equals(name)) {
-      nameTxt.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    } else {
-      nameTxt.removeStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    }
    nameTxt.setText(name);
  }

--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectBranchesScreen.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/ProjectBranchesScreen.java
@@ -20,18 +20,15 @@ import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.rpc.GerritCallback;
 import com.google.gerrit.client.rpc.ScreenLoadCallback;
 import com.google.gerrit.client.ui.FancyFlexTable;
+import com.google.gerrit.client.ui.HintTextBox;
 import com.google.gerrit.common.data.GitwebLink;
 import com.google.gerrit.common.data.ListBranchesResult;
 import com.google.gerrit.common.errors.InvalidNameException;
 import com.google.gerrit.common.errors.InvalidRevisionException;
 import com.google.gerrit.reviewdb.Branch;
 import com.google.gerrit.reviewdb.Project;
-import com.google.gwt.event.dom.client.BlurEvent;
-import com.google.gwt.event.dom.client.BlurHandler;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
-import com.google.gwt.event.dom.client.FocusEvent;
-import com.google.gwt.event.dom.client.FocusHandler;
 import com.google.gwt.event.dom.client.KeyCodes;
 import com.google.gwt.event.dom.client.KeyPressEvent;
 import com.google.gwt.event.dom.client.KeyPressHandler;
@@ -44,7 +41,6 @@ import com.google.gwt.user.client.ui.FlowPanel;
 import com.google.gwt.user.client.ui.Grid;
 import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
-import com.google.gwtexpui.globalkey.client.NpTextBox;
 import com.google.gwtjsonrpc.client.RemoteJsonException;

 import java.util.HashSet;
@@ -55,8 +51,8 @@ public class ProjectBranchesScreen extends ProjectScreen {
  private BranchesTable branches;
  private Button delBranch;
  private Button addBranch;
-  private NpTextBox nameTxtBox;
-  private NpTextBox irevTxtBox;
+  private HintTextBox nameTxtBox;
+  private HintTextBox irevTxtBox;
  private FlowPanel addPanel;

  public ProjectBranchesScreen(final Project.NameKey toShow) {
@@ -97,28 +93,9 @@ public class ProjectBranchesScreen extends ProjectScreen {

    final Grid addGrid = new Grid(2, 2);

-    nameTxtBox = new NpTextBox();
+    nameTxtBox = new HintTextBox();
    nameTxtBox.setVisibleLength(50);
-    nameTxtBox.setText(Util.C.defaultBranchName());
-    nameTxtBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    nameTxtBox.addFocusHandler(new FocusHandler() {
-      @Override
-      public void onFocus(FocusEvent event) {
-        if (Util.C.defaultBranchName().equals(nameTxtBox.getText())) {
-          nameTxtBox.setText("");
-          nameTxtBox.removeStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
-    nameTxtBox.addBlurHandler(new BlurHandler() {
-      @Override
-      public void onBlur(BlurEvent event) {
-        if ("".equals(nameTxtBox.getText())) {
-          nameTxtBox.setText(Util.C.defaultBranchName());
-          nameTxtBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
+    nameTxtBox.setHintText(Util.C.defaultBranchName());
    nameTxtBox.addKeyPressHandler(new KeyPressHandler() {
      @Override
      public void onKeyPress(KeyPressEvent event) {
@@ -130,28 +107,9 @@ public class ProjectBranchesScreen extends ProjectScreen {
    addGrid.setText(0, 0, Util.C.columnBranchName() + ":");
    addGrid.setWidget(0, 1, nameTxtBox);

-    irevTxtBox = new NpTextBox();
+    irevTxtBox = new HintTextBox();
    irevTxtBox.setVisibleLength(50);
-    irevTxtBox.setText(Util.C.defaultRevisionSpec());
-    irevTxtBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    irevTxtBox.addFocusHandler(new FocusHandler() {
-      @Override
-      public void onFocus(FocusEvent event) {
-        if (Util.C.defaultRevisionSpec().equals(irevTxtBox.getText())) {
-          irevTxtBox.setText("");
-          irevTxtBox.removeStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
-    irevTxtBox.addBlurHandler(new BlurHandler() {
-      @Override
-      public void onBlur(BlurEvent event) {
-        if ("".equals(irevTxtBox.getText())) {
-          irevTxtBox.setText(Util.C.defaultRevisionSpec());
-          irevTxtBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
+    irevTxtBox.setHintText(Util.C.defaultRevisionSpec());
    irevTxtBox.addKeyPressHandler(new KeyPressHandler() {
      @Override
      public void onKeyPress(KeyPressEvent event) {
@@ -190,13 +148,13 @@ public class ProjectBranchesScreen extends ProjectScreen {

  private void doAddNewBranch() {
    String branchName = nameTxtBox.getText();
-    if ("".equals(branchName) || Util.C.defaultBranchName().equals(branchName)) {
+    if ("".equals(branchName)) {
      nameTxtBox.setFocus(true);
      return;
    }

    String rev = irevTxtBox.getText();
-    if ("".equals(rev) || Util.C.defaultRevisionSpec().equals(rev)) {
+    if ("".equals(rev)) {
      irevTxtBox.setText("HEAD");
      DeferredCommand.addCommand(new Command() {
        @Override
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/AddMemberBox.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/AddMemberBox.java
@@ -16,12 +16,9 @@ package com.google.gerrit.client.ui;

 import com.google.gerrit.client.Gerrit;
 import com.google.gerrit.client.admin.Util;
-import com.google.gwt.event.dom.client.BlurEvent;
-import com.google.gwt.event.dom.client.BlurHandler;
+import com.google.gerrit.client.ui.HintTextBox;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
-import com.google.gwt.event.dom.client.FocusEvent;
-import com.google.gwt.event.dom.client.FocusHandler;
 import com.google.gwt.event.dom.client.KeyCodes;
 import com.google.gwt.event.dom.client.KeyPressEvent;
 import com.google.gwt.event.dom.client.KeyPressHandler;
@@ -32,42 +29,22 @@ import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.FlowPanel;
 import com.google.gwt.user.client.ui.SuggestBox;
 import com.google.gwt.user.client.ui.SuggestOracle.Suggestion;
-import com.google.gwtexpui.globalkey.client.NpTextBox;

 public class AddMemberBox extends Composite {
  private final FlowPanel addPanel;
  private final Button addMember;
-  private final NpTextBox nameTxtBox;
+  private final HintTextBox nameTxtBox;
  private final SuggestBox nameTxt;
  private boolean submitOnSelection;

  public AddMemberBox() {
    addPanel = new FlowPanel();
    addMember = new Button(Util.C.buttonAddGroupMember());
-    nameTxtBox = new NpTextBox();
+    nameTxtBox = new HintTextBox();
    nameTxt = new SuggestBox(new AccountSuggestOracle(), nameTxtBox);

    nameTxtBox.setVisibleLength(50);
-    nameTxtBox.setText(Util.C.defaultAccountName());
-    nameTxtBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-    nameTxtBox.addFocusHandler(new FocusHandler() {
-      @Override
-      public void onFocus(final FocusEvent event) {
-        if (Util.C.defaultAccountName().equals(nameTxtBox.getText())) {
-          nameTxtBox.setText("");
-          nameTxtBox.removeStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
-    nameTxtBox.addBlurHandler(new BlurHandler() {
-      @Override
-      public void onBlur(final BlurEvent event) {
-        if ("".equals(nameTxtBox.getText())) {
-          nameTxtBox.setText(Util.C.defaultAccountName());
-          nameTxtBox.addStyleName(Gerrit.RESOURCES.css().inputFieldTypeHint());
-        }
-      }
-    });
+    nameTxtBox.setHintText(Util.C.defaultAccountName());
    nameTxtBox.addKeyPressHandler(new KeyPressHandler() {
      @Override
      public void onKeyPress(KeyPressEvent event) {
@@ -108,10 +85,7 @@ public class AddMemberBox extends Composite {

  public String getText() {
    String s = nameTxtBox.getText();
-    if (s == null || s.equals(Util.C.defaultAccountName())) {
-      s = "";
-    }
-    return s;
+    return s == null ? "" : s;
  }

  public void setEnabled(boolean enabled) {
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/HintTextBox.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/ui/HintTextBox.java
@@ -0,0 +1,131 @@
+// Copyright (C) 2010 The Android Open Source Project
+//
+// 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.gerrit.client.ui;
+
+import com.google.gerrit.client.Gerrit;
+import com.google.gwt.event.dom.client.BlurEvent;
+import com.google.gwt.event.dom.client.BlurHandler;
+import com.google.gwt.event.dom.client.FocusEvent;
+import com.google.gwt.event.dom.client.FocusHandler;
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwtexpui.globalkey.client.NpTextBox;
+
+public class HintTextBox extends NpTextBox {
+  private String hintText;
+  private String hintStyleName = Gerrit.RESOURCES.css().inputFieldTypeHint();
+  private boolean hintOn;
+  private HandlerRegistration hintFocusHandler;
+  private HandlerRegistration hintBlurHandler;
+
+  public String getText() {
+    if (hintOn) {
+      return "";
+    }
+    return super.getText();
+  }
+
+  public void setText(String text) {
+    focusHint();
+    super.setText(text);
+    blurHint();
+  }
+
+  public String getHintText() {
+    return hintText;
+  }
+
+  public void setHintText(String text) {
+    if (text == null) {
+
+      // Clearing Hints
+
+      if (hintText != null) { // was set
+        hintFocusHandler.removeHandler();
+        hintFocusHandler = null;
+        hintBlurHandler.removeHandler();
+        hintBlurHandler = null;
+        hintText = null;
+        focusHint();
+      }
+      return;
+    }
+
+    // Setting Hints
+
+    if (hintText == null) { // first time (was not already set)
+      hintText = text;
+
+      hintFocusHandler = addFocusHandler(new FocusHandler() {
+          @Override
+          public void onFocus(FocusEvent event) {
+            focusHint();
+          }
+        });
+
+      hintBlurHandler = addBlurHandler(new BlurHandler() {
+          @Override
+          public void onBlur(BlurEvent event) {
+            blurHint();
+          }
+        });
+
+      blurHint();
+      return;
+    }
+
+    // Changing Hint
+
+    hintText = text;
+    if (hintOn) {
+      super.setText(text);
+    }
+  }
+
+  public void setHintStyleName(String styleName) {
+    if (hintStyleName != null && hintOn) {
+      removeStyleName(hintStyleName);
+    }
+
+    hintStyleName = styleName;
+
+    if (styleName != null && hintOn) {
+      addStyleName(styleName);
+    }
+  }
+
+  public String getHintStyleName() {
+    return hintStyleName;
+  }
+
+  protected void blurHint() {
+    if (! hintOn && getHintText() != null && "".equals(super.getText())) {
+      super.setText(getHintText());
+      hintOn = true;
+      if (getHintStyleName() != null) {
+        addStyleName(getHintStyleName());
+      }
+    }
+  }
+
+  protected void focusHint() {
+    if (hintOn) {
+      super.setText("");
+      hintOn = false;
+      if (getHintStyleName() != null) {
+        removeStyleName(getHintStyleName());
+      }
+    }
+  }
+}