Adjust the mouse scrollbar and correct the vertical scrollbar in Codemirror 3.23 when switching the direction to rtl

Is there a way to dynamically change the text direction based on the language being used? I encountered an issue when switching from LTR to RTL where two vertical scrollbars appear in the textarea of codemirror. Removing the overflow-y: scroll property caused the mouse scroll to stop working, but changing directions did not create new vertical scrollbars. How can I ensure that the vertical scrollbar is always on the right and line numbers are on the left, regardless of text direction, while still allowing the mouse scroll to function correctly?

https://i.sstatic.net/gEmk0.jpg

javascriptjquerycss

Answer №1

Update the CodeMirror-vscrollbar class by removing the Top and Right properties as shown:

.CodeMirror-vscrollbar { 
  overflow-x: hidden;
  overflow-y: scroll;
}
.CodeMirror-hscrollbar {
  bottom: 0; left: 0;
  overflow-y: hidden;
  overflow-x: scroll;
}

Add two new classes to Codemirror.css with the following names:

.ltrAlign{
right: 0; top: 0;
}
.rtlAlign{
left: 0; top: 0;
}

Next, insert the code below into your jsp or php page, depending on which one you are using:

For Left to Right alignment:

$(".CodeMirror-vscrollbar").removeClass('rtlAlign');

$(".CodeMirror-vscrollbar").addClass('ltrAlign');

For Right to Left alignment:

$(".CodeMirror-vscrollbar").addClass('rtlAlign');
$(".CodeMirror-vscrollbar").removeClass('ltrAlign');

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