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## com.google.gwt.user.client.ui
Class DecoratedPopupPanel

    java.lang.Object
      com.google.gwt.user.client.ui.UIObject
          com.google.gwt.user.client.ui.Widget
              com.google.gwt.user.client.ui.Panel
                  com.google.gwt.user.client.ui.SimplePanel
                      com.google.gwt.user.client.ui.PopupPanel
                          com.google.gwt.user.client.ui.DecoratedPopupPanel

All Implemented Interfaces:
  HasCloseHandlers<PopupPanel>, HasHandlers, EventListener, EventPreview, HasAnimation, HasWidgets, SourcesPopupEvents, java.lang.Iterable<Widget>

Direct Known Subclasses:
  DialogBox

    public class DecoratedPopupPanel

extends PopupPanel

A `PopupPanel` that wraps its content in a 3x3 grid, which allows users to add rounded corners.

### Setting the Size:

If you set the width or height of the `DecoratedPopupPanel`, you need to set the height and width of the middleCenter cell to 100% so that the middleCenter cell takes up all of the available space. If you do not set the width and height of the `DecoratedPopupPanel`, it will wrap its contents tightly.

     .gwt-DecoratedPopupPanel .popupMiddleCenter {
       height: 100%;
       width: 100%;
     }

### CSS Style Rules

- .gwt-DecoratedPopupPanel { the outside of the popup }
- .gwt-DecoratedPopupPanel .popupContent { the wrapper around the content }
- .gwt-DecoratedPopupPanel .popupTopLeft { the top left cell }
- .gwt-DecoratedPopupPanel .popupTopLeftInner { the inner element of the cell }
- .gwt-DecoratedPopupPanel .popupTopCenter { the top center cell }
- .gwt-DecoratedPopupPanel .popupTopCenterInner { the inner element of the cell }
- .gwt-DecoratedPopupPanel .popupTopRight { the top right cell }
- .gwt-DecoratedPopupPanel .popupTopRightInner { the inner element of the cell }
- .gwt-DecoratedPopupPanel .popupMiddleLeft { the middle left cell }
- .gwt-DecoratedPopupPanel .popupMiddleLeftInner { the inner element of the cell }
- .gwt-DecoratedPopupPanel .popupMiddleCenter { the middle center cell }
- .gwt-DecoratedPopupPanel .popupMiddleCenterInner { the inner element of the cell }
- .gwt-DecoratedPopupPanel .popupMiddleRight { the middle right cell }
- .gwt-DecoratedPopupPanel .popupMiddleRightInner { the inner element of the cell }
- .gwt-DecoratedPopupPanel .popupBottomLeft { the bottom left cell }
- .gwt-DecoratedPopupPanel .popupBottomLeftInner { the inner element of the cell }
- .gwt-DecoratedPopupPanel .popupBottomCenter { the bottom center cell }
- .gwt-DecoratedPopupPanel .popupBottomCenterInner { the inner element of the cell }
- .gwt-DecoratedPopupPanel .popupBottomRight { the bottom right cell }
- .gwt-DecoratedPopupPanel .popupBottomRightInner { the inner element of the cell }

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.PopupPanel
`PopupPanel.PositionCallback`

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject
`UIObject.DebugIdImpl, UIObject.DebugIdImplEnabled`

Field Summary

Fields inherited from class com.google.gwt.user.client.ui.UIObject
`DEBUG_ID_PREFIX`

Constructor Summary
`DecoratedPopupPanel()` Creates an empty decorated popup panel.
`DecoratedPopupPanel(boolean autoHide)` Creates an empty decorated popup panel, specifying its "auto-hide" property.
`DecoratedPopupPanel(boolean autoHide, boolean modal)` Creates an empty decorated popup panel, specifying its "auto-hide" and "modal" properties.

Method Summary
`void` | `clear()` Removes all child widgets.
`protected void` | `doAttachChildren()` If a widget contains one or more child widgets that are not in the logical widget hierarchy (the child is physically connected only on the DOM level), it must override this method and call `Widget.onAttach()` for each of its child widgets.
`protected void` | `doDetachChildren()` If a widget contains one or more child widgets that are not in the logical widget hierarchy (the child is physically connected only on the DOM level), it must override this method and call `Widget.onDetach()` for each of its child widgets.
`protected Element` | `getCellElement(int row, int cell)` Get a specific Element from the panel.
`Widget` | `getWidget()` Gets the panel's child widget.
`java.util.Iterator<Widget>` | `iterator()` Gets an iterator for the contained widgets.
`boolean` | `remove(Widget w)` Removes a child widget.
`void` | `setWidget(Widget w)` Sets this panel's widget.

Methods inherited from class com.google.gwt.user.client.ui.PopupPanel
`addAutoHidePartner, addCloseHandler, addPopupListener, center, getContainerElement, getOffsetHeight, getOffsetWidth, getPopupLeft, getPopupTop, getStyleElement, getTitle, hide, hide, isAnimationEnabled, isAutoHideEnabled, isModal, isPreviewingAllNativeEvents, isShowing, isVisible, onEventPreview, onKeyDownPreview, onKeyPressPreview, onKeyUpPreview, onPreviewNativeEvent, onUnload, removeAutoHidePartner, removePopupListener, setAnimationEnabled, setAutoHideEnabled, setHeight, setModal, setPopupPosition, setPopupPositionAndShow, setPreviewingAllNativeEvents, setTitle, setVisible, setWidth, show, showRelativeTo`

Methods inherited from class com.google.gwt.user.client.ui.SimplePanel
`add`

Methods inherited from class com.google.gwt.user.client.ui.Panel
`adopt, adopt, disown, onLoad, orphan`

Methods inherited from class com.google.gwt.user.client.ui.Widget
`addDomHandler, addHandler, delegateEvent, fireEvent, getHandlerCount, getParent, isAttached, isOrWasAttached, onAttach, onBrowserEvent, onDetach, removeFromParent, sinkEvents`

Methods inherited from class com.google.gwt.user.client.ui.UIObject
`addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, setElement, setElement, setPixelSize, setSize, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setVisible, toString, unsinkEvents`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface com.google.gwt.event.shared.HasHandlers
`fireEvent`

Constructor Detail

### DecoratedPopupPanel

    public DecoratedPopupPanel()

  Creates an empty decorated popup panel. A child widget must be added to it before it is shown.

### DecoratedPopupPanel

    public DecoratedPopupPanel(boolean autoHide)

  Creates an empty decorated popup panel, specifying its "auto-hide" property.

  Parameters:
    `autoHide` - `true` if the popup should be automatically hidden when the user clicks outside of it

### DecoratedPopupPanel

    public DecoratedPopupPanel(boolean autoHide,
                               boolean modal)

  Creates an empty decorated popup panel, specifying its "auto-hide" and "modal" properties.

  Parameters:
    `autoHide` - `true` if the popup should be automatically hidden when the user clicks outside of it
    `modal` - `true` if keyboard or mouse events that do not target the PopupPanel or its children should be ignored

Method Detail

### clear

    public void clear()

  Description copied from interface: `HasWidgets`
  Removes all child widgets.

  Specified by:
    `clear` in interface `HasWidgets`
  Overrides:
    `clear` in class `Panel`

### getWidget

    public Widget getWidget()

  Description copied from class: `SimplePanel`
  Gets the panel's child widget.

  Overrides:
    `getWidget` in class `SimplePanel`
  Returns:
    the child widget, or `null` if none is present

### iterator

    public java.util.Iterator<Widget> iterator()

  Description copied from interface: `HasWidgets`
  Gets an iterator for the contained widgets. This iterator is required to implement `Iterator.remove()`.

  Specified by:
    `iterator` in interface `HasWidgets`
  Specified by:
    `iterator` in interface `java.lang.Iterable<Widget>`
  Overrides:
    `iterator` in class `SimplePanel`

### remove

    public boolean remove(Widget w)

  Description copied from class: `Panel`
  Removes a child widget.

  How to Override this Method

  There are several important things that must take place in the correct order to properly remove a Widget from a Panel. Not all of these steps will be relevant to every Panel, but all of the steps must be considered.

  1. Validate: Make sure this Panel is actually the parent of the child Widget; return `false` if it is not.
  2. Orphan: Call `Panel.orphan(Widget)` first while the child Widget is still attached.
  3. Physical Detach: Adjust the DOM to account for the removal of the child Widget. The Widget's Element must be physically removed from the DOM.
  4. Logical Detach: Update the Panel's state variables to reflect the removal of the child Widget. Example: the Widget is removed from the Panel's `WidgetCollection`.

  Specified by:
    `remove` in interface `HasWidgets`
  Overrides:
    `remove` in class `SimplePanel`
  Parameters:
    `w` - the widget to be removed
  Returns:
    `true` if the child was present

### setWidget

    public void setWidget(Widget w)

  Description copied from class: `SimplePanel`
  Sets this panel's widget. Any existing child widget will be removed.

  Overrides:
    `setWidget` in class `PopupPanel`
  Parameters:
    `w` - the panel's new widget, or `null` to clear the panel

### doAttachChildren

    protected void doAttachChildren()

  Description copied from class: `Widget`
  If a widget contains one or more child widgets that are not in the logical widget hierarchy (the child is physically connected only on the DOM level), it must override this method and call `Widget.onAttach()` for each of its child widgets.

  Overrides:
    `doAttachChildren` in class `Panel`
  See Also:
    `Widget.onAttach()`

### doDetachChildren

    protected void doDetachChildren()

  Description copied from class: `Widget`
  If a widget contains one or more child widgets that are not in the logical widget hierarchy (the child is physically connected only on the DOM level), it must override this method and call `Widget.onDetach()` for each of its child widgets.

  Overrides:
    `doDetachChildren` in class `Panel`
  See Also:
    `Widget.onDetach()`

### getCellElement

    protected Element getCellElement(int row,
                                     int cell)

  Get a specific Element from the panel.

  Parameters:
    `row` - the row index
    `cell` - the cell index
  Returns:
    the Element at the given row and cell

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