flashx.textLayout.operations

# RedoOperation - AS3

Package | flashx.textLayout.operations
Class | public class RedoOperation
Inheritance | RedoOperation FlowOperation Object

Language Version: | ActionScript 3.0

Runtime Versions: | Flash Player 10, AIR 1.5

The RedoOperation class encapsulates a redo operation.

View the examples

Related API Elements

flashx.textLayout.edit.EditManager
flashx.textLayout.events.FlowOperationEvent

Public Properties
Hide Inherited Public Properties
Show Inherited Public Properties

| Property | Defined By
--- | --- | ---
|  | beginGeneration : uint [read-only] The text flow generation before the operation. | FlowOperation
|  | constructor : Object A reference to the class object or constructor function for a given object instance. | Object
|  | endGeneration : uint [read-only] The text flow generation after the operation. | FlowOperation
|  | operation : FlowOperation The operation to redo. | RedoOperation
|  | textFlow : flashx.textLayout.elements:TextFlow The TextFlow object to which this operation is applied. | FlowOperation
|  | userData : * Arbitrary data associated with an element. | FlowOperation

Public Methods
Hide Inherited Public Methods
Show Inherited Public Methods

| Method | Defined By
--- | --- | ---
|  | RedoOperation(operation:FlowOperation) Creates a RedoOperation object. | RedoOperation
|  | canUndo():Boolean Test if this operation be placed on the undo stack. | FlowOperation
|  | doOperation():Boolean Executes the operation. | FlowOperation
|  | hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined. | Object
|  | isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter. | Object
|  | propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable. | Object
|  | redo():SelectionState Re-executes the operation. | FlowOperation
|  | setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations. | Object
|  | toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions. | Object
|  | toString():String Returns the string representation of the specified object. | Object
|  | undo():SelectionState Reverses the operation. | FlowOperation
|  | valueOf():Object Returns the primitive value of the specified object. | Object

Property Detail

### operation

property

`operation:FlowOperation`

Language Version: | ActionScript 3.0

Runtime Versions: | Flash Player 10, AIR 1.5

The operation to redo.

Implementation
`public function get operation():FlowOperation`
`public function set operation(value:FlowOperation):void`
Constructor Detail

### RedoOperation

()
Constructor

`public function RedoOperation(operation:FlowOperation)`

Language Version: | ActionScript 3.0

Runtime Versions: | Flash Player 10, AIR 1.5

Creates a RedoOperation object.

Parameters

| `operation:FlowOperation` — The operation to redo.

Examples How to use this example
RedoOperation_example.as

This code snippet shows a use of the `RedoOperation` class. In this example, an event handler captures the beginning of a flow operation. Redo operations can be verified or canceled.

Copy

    package flashx.textLayout.operations.examples
    {
        import flashx.textLayout.elements.TextFlow;
        import flashx.textLayout.events.FlowOperationEvent;
        import flashx.textLayout.operations.FlowOperation;
        import flashx.textLayout.operations.RedoOperation;

        public class RedoOperation_example
        {
            public function attach(textFlow:TextFlow):void
            {
                textFlow.addEventListener(FlowOperationEvent.FLOW_OPERATION_BEGIN, opBeginHandler);
            }

            public function opBeginHandler(evt:FlowOperationEvent):void {
                var flowOp:FlowOperation = evt.operation;
                if(flowOp is RedoOperation) {
                    //user has the option to cancel redo operation
                    if(!verifyRedo(flowOp.textFlow) && evt.cancelable) {
                        evt.preventDefault();
                    }
                }
            }
            private function verifyRedo(tf:TextFlow):Boolean {
                //verify whether user wants to redo this operation
                return false;
            }
        }
    }

© 2015 Adobe Systems Incorporated. All rights reserved.
Mon Apr 10 2017, 12:28 PM -07:00