DriveWorks

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How to get cursor/caret position inside DW' textbox (DW18 - Integration Theme)

It is all about the JavaScript! A form designed inside the DriveWorks at the end, at the time of use, is converted/rendered to/as HTML!

The main question is: How to find our DW' TextBox and DW' Label (<-an element where to display the cursor position)? After finding the HTML element of interrest, we need to implement/add EventListerners (keyup, click ..) to the found HTML object to get results on a status change.
Once converted, all the HTML elements, are "under" DIV control! They do NOT have unique IDs assigned but luckily there are DEVs unique names attribute! So, we will use that to start our GetCursorPosition implementation:
Create a new JavaScript file and put all the below code into it:  i.e. DWCursorPosition.js

// global
let myInputTextBox;
let myInputLabelDiv;

// let's find our DW HTML elements
function GetCursorHTMLElements() 
{
    let myDivByNameExport;
    let myDivByNameLabel;

    myDivByNameExport = document.getElementsByName("name of your DW textbox"); // we got our DIV container of the textbox
    myInputTextBox = myDivByNameExport[0].getElementsByTagName("Input")// drill down to get the input textbox

    myDivByNameLabel= document.getElementsByName("name of your DW label");// get label where to output results
    myInputLabelDiv = myDivByNameLabel[0].getElementsByTagName("DIV")// label element is nested one node down, so we need to drill a bit more

// add event listener to our HTML DIV.TEXTBOX object onclick and onkeyup
    if (myDivByNameExport[0].addEventListener) {
        myDivByNameExport[0].addEventListener("click",GetCursorPosition,false);
        myDivByNameExport[0].addEventListener("keyup",GetCursorPosition,false);
    }
}

// get textbox caret postion
function GetCursorPosition (){
     var startPosition = myInputTextBox[0].selectionStart;
     var endPosition = myInputTextBox[0].selectionEnd;
     // Check if we have selected text
     if(startPosition == endPosition){ /*not selected*/
            myInputLabelDiv[0].innerHTML = startPosition; 
    }
//else = selected to be implemented if needed// do not have use for it now so skip it
 }

For the Integration Theme I've placed GetCursorHTMLElements call inside the setNavigationState (run.js) function call that asynchronously is looking into display changes. The GetCursorHTMLElements needs to be executed only once after form is loaded! In my case and for variety of reasons I needed it on the form change.

// get DW HTML elements
async function setNavigationState(formData)
{
   GetCursorHTMLElements();
}

Add DWCursorPostion.js at the end of script section inside the run.html:

// javascript
 <script src="dist/js/core.js"></script>
<script src="dist/js/run.js"></script>
<script src="dist/js/DWCursorPosition.js"></script>


Likely, the workflow is similar for the Web Theme!?

Now that we have cursor position we could go visual with a tooltip!    cursor_tooltip

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 To contact me, I am available through the below listed e-mail address. If you are interested in any of the above, just drop me an email and I can make what needs to be done.

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