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A
anton_zhuk
Participant
April 2, 2012
Question

Problem with SelectionState, plase help

  • April 2, 2012
  • 1 reply
  • 3377 views

Hi

I've tried create list and convert it to plain text at runtime.

With creating text evrething is ok    

   

     var tf:TextLayoutFormat = editor.getFormatOfRange(null, editor.selectionAnchorPosition, editor.selectionActivePosition);    

     var selState : SelectionState = new SelectionState(editor.textFlow, editor.selectionAnchorPosition, editor.selectionActivePosition);

     var listFormar : TextLayoutFormat = tf;

     listFormar.listStyleType = ListStyleType.DISC;

     listFormar.listStylePosition = ListStylePosition.OUTSIDE;

     var operation : CreateListOperation = new CreateListOperation(selState, null, listFormar);

     operation.doOperation();

With this evtething is ok - list was created.

But when I've tried to convert selected text from list to plain text I have problem. I've selected list but SelectedState return all textFlow from editor (RichEditableText), and I can't receive root list element. Please help to select list in textFlow.

var selState : SelectionState = new SelectionState(editor.textFlow, editor.selectionAnchorPosition, editor.selectionActivePosition);

This topic has been closed for replies.

1 reply

A
anton_zhukAuthor
Participant
April 4, 2012

Tell me please, how to determine the DOM elements in TextFlow in RichEditableText by MouseClick?

G
Gang Cai
Participating Frequently
April 5, 2012

I pasted a code scrap of how to enumerate the listElements. Hope it will be helpful

//this test case will check up to three level nested lists

                              //create three lists

                              SelManager.createList();

                              SelManager.createList();

                              SelManager.createList();

                              var tf:TextFlow = SelManager.textFlow;

                              var listsFound:int = 0;

                              var elem:FlowElement = tf.getChildAt(0);

                              while (elem)

                              {

                                        if (elem as ListElement)

                                        {

                                                  var listElement:ListElement = elem as ListElement;

                                                  var allListElement:Array = [];

                                                  var a:int = 0;

                                                  allListElement = listElement;

                                                  var elem2:FlowElement = listElement.getChildAt(0);

                                                  var e:FlowGroupElement = FlowGroupElement (elem2);

                                                  var i:int=0;

                                                  while (i < e.mxmlChildren.length)

                                                  {

                                                            if (e.mxmlChildren as ListElement)

                                                            {

                                                                      var listElement1:ListElement = e.mxmlChildren as ListElement;

                                                                      var elem3:FlowElement = listElement1.getChildAt(0);

                                                                      var e1:FlowGroupElement = FlowGroupElement (elem3);

                                                                      var j:int=0;

                                                                      while (j < e1.mxmlChildren.length)

                                                                      {

                                                                                if (e1.mxmlChildren as ListElement)

                                                                                {

                                                                                          listsFound++;

                                                                                          a++;

                                                                                          allListElement = e1.mxmlChildren as ListElement;

                                                                                }

                                                                                j++;

                                                                      }

                                                                      listsFound++;

                                                                      a++;

                                                                      allListElement = e.mxmlChildren as ListElement;

                                                            }

                                                            i++;

                                                  }

                                                  listsFound++;

                                        }

                                        elem = elem.getNextSibling();

                              }

 

 

                              // determine what the bullet text should be

                              var listItem:ListItemElement = new ListItemElement();

                              var bulletText:String = "";

                              var markerLength:int = 0;

                              var listStartIndex:int = 0;

                              var listFlowLine:TextFlowLine;

                              var listLine:TextLine;

                              var bulletLine:TextLine;

                              for (i=0; i<listsFound; i++)

                              {

                                        listElement = allListElement as ListElement;

                                        listItem = listElement.getChildAt(0) as ListItemElement;

                                        bulletText = listElement.computeListItemText(listItem, listItem.computedListMarkerFormat());

                                        markerLength = bulletText.length + 1;

                                        // find the TextFlowLine for the list start

                                        listStartIndex = listElement.getElementRelativeStart(tf);

                                        listFlowLine = tf.flowComposer.findLineAtPosition(listStartIndex);

                                        listLine = listFlowLine.getTextLine();

                                        bulletLine = listLine.getChildAt(0) as TextLine;

 

                              }

G
Gang Cai
Participating Frequently
April 6, 2012

As I see SelectionState doesn't work correctly

The SelectionState class represents a selection in a text flow.

But in any case SelectionState return all textFlow. So, this is bug


There will be only one textFlow in your case. It's the container of all the text elements. The selection state represents the selection in 'that' text flow.

The selection state will record the position information of your selection. You should get use the position information to retrieve your text flow elements

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