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

    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.ComplexPanel
                      com.google.gwt.user.client.ui.HTMLPanel

All Implemented Interfaces:
  HasAttachHandlers, HasHandlers, EventListener, HasVisibility, HasWidgets, HasWidgets.ForIsWidget, IndexedPanel, IndexedPanel.ForIsWidget, IsWidget, java.lang.Iterable<Widget>

    public class HTMLPanel

extends ComplexPanel

A panel that contains HTML, and which can attach child widgets to identified elements within that HTML.

Nested Class Summary

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

Nested classes/interfaces inherited from interface com.google.gwt.user.client.ui.IndexedPanel
`IndexedPanel.ForIsWidget`

Nested classes/interfaces inherited from interface com.google.gwt.user.client.ui.HasWidgets
`HasWidgets.ForIsWidget`

Field Summary

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

Constructor Summary
`HTMLPanel(SafeHtml safeHtml)` Initializes the panel's HTML from a given `SafeHtml` object.
`HTMLPanel(java.lang.String html)` Creates an HTML panel with the specified HTML contents inside a DIV element.
`HTMLPanel(java.lang.String tag, java.lang.String html)` Creates an HTML panel whose root element has the given tag, and with the specified HTML contents.

Method Summary
`void` | `add(Widget widget)` Adds a child widget to the panel.
`void` | `add(Widget widget, Element elem)` Adds a child widget to the panel, contained within an HTML element.
`void` | `add(Widget widget, java.lang.String id)` Adds a child widget to the panel, contained within the HTML element specified by a given id.
`void` | `addAndReplaceElement(IsWidget widget, Element toReplace)` Overloaded version for IsWidget.
`void` | `addAndReplaceElement(IsWidget widget, java.lang.String id)` Overloaded version for IsWidget.
`void` | `addAndReplaceElement(Widget widget, Element toReplace)` Adds a child widget to the panel, replacing the HTML element.
`void` | `addAndReplaceElement(Widget widget, Element toReplace)` Deprecated. use `addAndReplaceElement(Widget, Element)`
`void` | `addAndReplaceElement(Widget widget, java.lang.String id)` Adds a child widget to the panel, replacing the HTML element specified by a given id.
`static java.lang.String` | `createUniqueId()` A helper method for creating unique IDs for elements within dynamically- generated HTML.
`Element` | `getElementById(java.lang.String id)` Finds an `element` within this panel by its id.
`static HTMLPanel` | `wrap(Element element)` Creates an HTML panel that wraps an existing element.

Methods inherited from class com.google.gwt.user.client.ui.ComplexPanel
`add, adjustIndex, checkIndexBoundsForAccess, checkIndexBoundsForInsertion, getChildren, getWidget, getWidgetCount, getWidgetIndex, getWidgetIndex, insert, insert, iterator, remove, remove`

Methods inherited from class com.google.gwt.user.client.ui.Panel
`add, adopt, adopt, clear, disown, doAttachChildren, doDetachChildren, orphan, remove`

Methods inherited from class com.google.gwt.user.client.ui.Widget
`addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onBrowserEvent, onDetach, onLoad, onUnload, removeFromParent, setLayoutData, sinkEvents`

Methods inherited from class com.google.gwt.user.client.ui.UIObject
`addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, resolvePotentialElement, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString, unsinkEvents`

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

Constructor Detail

### HTMLPanel

    public HTMLPanel(java.lang.String html)

  Creates an HTML panel with the specified HTML contents inside a DIV element. Any element within this HTML that has a specified id can contain a child widget.

  Parameters:
    `html` - the panel's HTML

### HTMLPanel

    public HTMLPanel(SafeHtml safeHtml)

  Initializes the panel's HTML from a given `SafeHtml` object. Similar to `HTMLPanel(String)`

  Parameters:
    `safeHtml` - the html to set.

### HTMLPanel

    public HTMLPanel(java.lang.String tag,
                     java.lang.String html)

  Creates an HTML panel whose root element has the given tag, and with the specified HTML contents. Any element within this HTML that has a specified id can contain a child widget.

  Parameters:
    `tag` - the tag of the root element
    `html` - the panel's HTML

Method Detail

### createUniqueId

    public static java.lang.String createUniqueId()

  A helper method for creating unique IDs for elements within dynamically- generated HTML. This is important because no two elements in a document should have the same id.

  Returns:
    a new unique identifier

### wrap

    public static HTMLPanel wrap(Element element)

  Creates an HTML panel that wraps an existing element. This element must already be attached to the document. If the element is removed from the document, you must call `RootPanel.detachNow(Widget)`.

  Parameters:
    `element` - the element to be wrapped

### add

    public void add(Widget widget)

  Adds a child widget to the panel.

  Specified by:
    `add` in interface `HasWidgets`
  Overrides:
    `add` in class `Panel`
  Parameters:
    `widget` - the widget to be added
  See Also:
    `HasWidgets.add(Widget)`

### add

    public void add(Widget widget,
                    java.lang.String id)

  Adds a child widget to the panel, contained within the HTML element specified by a given id.

  Parameters:
    `widget` - the widget to be added
    `id` - the id of the element within which it will be contained

### add

    public void add(Widget widget,
                    Element elem)

  Adds a child widget to the panel, contained within an HTML element. It is up to the caller to ensure that the given element is a child of this panel's root element.

  Parameters:
    `widget` - the widget to be added
    `elem` - the element within which it will be contained

### addAndReplaceElement

    public final void addAndReplaceElement(Widget widget,
                                           Element toReplace)

  Adds a child widget to the panel, replacing the HTML element.

  Parameters:
    `widget` - the widget to be added
    `toReplace` - the element to be replaced by the widget

### addAndReplaceElement

    @Deprecated
    public void addAndReplaceElement(Widget widget,
                                                Element toReplace)

  Deprecated. use `addAndReplaceElement(Widget, Element)`

  Adds a child widget to the panel, replacing the HTML element.

  Parameters:
    `widget` - the widget to be added
    `toReplace` - the element to be replaced by the widget

### addAndReplaceElement

    public void addAndReplaceElement(IsWidget widget,
                                     Element toReplace)

  Overloaded version for IsWidget.

  See Also:
    `addAndReplaceElement(Widget,Element)`

### addAndReplaceElement

    public void addAndReplaceElement(Widget widget,
                                     java.lang.String id)

  Adds a child widget to the panel, replacing the HTML element specified by a given id.

  Parameters:
    `widget` - the widget to be added
    `id` - the id of the element to be replaced by the widget

### addAndReplaceElement

    public void addAndReplaceElement(IsWidget widget,
                                     java.lang.String id)

  Overloaded version for IsWidget.

  See Also:
    `addAndReplaceElement(Widget,String)`

### getElementById

    public Element getElementById(java.lang.String id)

  Finds an `element` within this panel by its id. This method uses `Document.getElementById(String)`, so the id must still be unique within the document.

  Parameters:
    `id` - the id of the element to be found
  Returns:
    the element with the given id, or `null` if none is found

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