iterates over the RichEditableText control's TextFlow and copies the contents of each SpanElement into another RichEditableText control

     

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<!-- sparktextcontrols/IterateOverLeaves.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:mx="library://ns.adobe.com/flex/mx"
    xmlns:s="library://ns.adobe.com/flex/spark">
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <fx:Script>
         
        import flashx.textLayout.elements.*; 
        private function copyContents():void { 
            /* Get the first leaf in the TextFlow. */ 
            var leaf:SpanElement = new SpanElement(); 
            leaf = SpanElement(richTxt1.textFlow.getFirstLeaf()); 
            /* Write the contents of the first leaf to the second RET control. */ 
            richTxt2.text = "LEAF:" + leaf.text + "\n"; 
            /* Iterate over the remaining leaves and write their contents 
            to the second RET control. */ 
            while(leaf = SpanElement(leaf.getNextLeaf())) { 
                 richTxt2.text += "LEAF:" + leaf.text + "\n"; 
            } 
        } 
      
    </fx:Script>
    <s:Panel>
        <s:RichEditableText id="richTxt1" selectable="true" editable="true"
            textAlign="justify" percentWidth="100">
            <s:textFlow>
                <s:TextFlow>
                    <s:p>
                        <s:span>
                            1) Lorem ipsum dolor sit amet, consectetur
                            adipiscing elit.
                        </s:span>
                    </s:p>
                    <s:p>
                        <s:span>
                            2) Cras posuere posuere sem, eu congue orci mattis
                            quis.
                        </s:span>
                    </s:p>
                    <s:p>
                        <s:span>
                            3) Curabitur pulvinar tellus venenatis ipsum tempus
                            lobortis.
                        </s:span>
                    </s:p>
                </s:TextFlow>
            </s:textFlow>
        </s:RichEditableText>
    </s:Panel>
    <s:HGroup>
        <s:Button label="Copy Contents" click="copyContents()" />
        <s:Button label="Clear" click="richTxt2.text=''" />
    </s:HGroup>
    <s:Panel>
        <s:RichEditableText id="richTxt2" textAlign="justify"
            percentWidth="100" />
    </s:Panel>
</s:Application>

1.	Defines a TextFlow as XML, and assigns that to the TextInput control's textDisplay
2.	Use TextFlow in RichEditableText
3.	Create TextFlow Child Tags
4.	TextFlow Namespace
5.	Using the importFromString() method to load a String object into the TextFlow
6.	Import an XML object into a TextFlow when you click the Button control
7.	Using a variety of formats when importing a String into the TextFlow with the importToFlow() method
8.	Using methods of ParagraphElement to count the words and determine the average length of them in TextFlow
9.	Using child tags for TextFlow
10.	Link Element in TextFlow

iterates over the RichEditableText control's TextFlow and copies the contents of each SpanElement into another RichEditableText control : TextFlow « Components « Flex

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