Construct an input area widget.
Set the id of the wrapper's DOM node.
Set the layout for the widget.
The layout is single-use only. It cannot be set to null
and it
cannot be changed after the first assignment.
The layout is disposed automatically when the widget is disposed.
Get the DOM node managed by the wrapper.
This property is read-only.
Set the parent of the widget.
The widget will be automatically removed from its current parent.
This is a no-op if there is no effective parent change.
Get the title data object for the widget.
The title data is used by some container widgets when displaying the widget along with a title, such as a tab panel or dock panel.
Not all widgets will make use of the title data, so it is created on-demand the first time it is accessed.
Change handler for model updates.
Add a class name to the wrapper's DOM node.
The class name to add to the node.
If the class name is already added to the node, this is a no-op.
Attach the widget to a host DOM node.
The DOM node to use as the widget's host.
Clear the given widget flag.
This will not typically be consumed directly by user code.
Send a 'close-request'
message to the widget.
See also: [[MsgCloseRequest]]
Compress a message posted to the widget.
The message posted to the widget.
The queue of pending messages for the widget.
true
if the message should be ignored, or false
if
the message should be enqueued for delivery as normal.
Subclasses may reimplement this method as needed.
Test whether a widget is a descendant of this widget.
The widget of interest.
true
if the widget is a descendant, false
otherwise.
Detach the widget from its host DOM node.
Dispose of the widget and its descendants.
It is generally unsafe to use the widget after it is disposed.
All calls made to this method after the first are a no-op.
Post a 'fit-request'
message to the widget.
See also: [[MsgFitRequest]]
Test whether the wrapper's DOM node has the given class name.
The class name of interest.
true
if the node has the class, false
otherwise.
Hide the widget and make it hidden to its parent widget.
This causes the isHidden property to be true
.
Invoke the message processing routine of the widget's layout.
The message to dispatch to the layout.
This is a no-op if the widget does not have a layout.
A message handler invoked on an 'after-attach'
message.
The default implementation of this handler is a no-op.
See also: [[MsgAfterAttach]]
A message handler invoked on an 'after-show'
message.
The default implementation of this handler is a no-op.
See also: [[MsgAfterShow]]
A message handler invoked on a 'before-detach'
message.
The default implementation of this handler is a no-op.
See also: [[MsgBeforeDetach]]
A message handler invoked on a 'before-hide'
message.
The default implementation of this handler is a no-op.
See also: [[MsgBeforeHide]]
A message handler invoked on a 'child-added'
message.
The default implementation of this handler is a no-op.
See also: [[ChildMessage]]
A message handler invoked on a 'child-removed'
message.
The default implementation of this handler is a no-op.
See also: [[ChildMessage]]
A message handler invoked on a 'close-request'
message.
The default implementation of this handler detaches the widget.
See also: close, [[MsgCloseRequest]]
A message handler invoked on a 'resize'
message.
The default implementation of this handler is a no-op.
See also: [[ResizeMessage]]
A message handler invoked on an 'update-request'
message.
The default implementation of this handler is a no-op.
See also: update, [[MsgUpdateRequest]]
Process a message sent to the widget.
The message sent to the widget.
Subclasses may reimplement this method as needed.
Remove a class name from the wrapper's DOM node.
The class name to remove from the node.
If the class name is not yet added to the node, this is a no-op.
Set the given widget flag.
This will not typically be consumed directly by user code.
Set whether the widget is hidden.
true
to hide the widget, or false
to show it.
widget.setHidden(true)
is equivalent to widget.hide()
, and
widget.setHidden(false)
is equivalent to widget.show()
.
Show the widget and make it visible to its parent widget.
This causes the isHidden property to be false
.
Test whether the given widget flag is set.
This will not typically be consumed directly by user code.
Toggle a class name on the wrapper's DOM node.
The class name to toggle on the node.
Whether to force add the class (true
) or force
remove the class (false
). If not provided, the presence of
the class will be toggled from its current state.
true
if the class is now present, false
otherwise.
Post an 'update-request'
message to the widget.
See also: [[MsgUpdateRequest]]
Update the text editor model, creating a new text editor widget and detaching the old one.
Create the DOM node for a new node wrapper instance.
The DOM node to use with the node wrapper instance.
The default implementation creates an empty <div>
.
This may be reimplemented by a subclass to create a custom node.
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An input area widget, which hosts an editor widget.