I am planning to get the range of selected text from TextArea and change the font color of the selectRange. My TextArea is initialized as a part of FXML file. I'm able to get the selectRange by using textArea.getSelection(), I would like to color the text in the range returned by above method. Please suggest me how to do it.
JavaFX: How to change the color of text in TextArea corresponding to the selectRange
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Firstly I would recommend to go with any rich text controls(RichTextFX) for your requirement. But if you are very specific with using TextArea, check the below approach.
The approach that I am providing may not be a correct solution or it may not suit to your exact requirement. But it can help you to think in that direction.
This is based on the idea provided(by @en_Knight) in Highlighting Strings in JavaFX TextArea. I recommend to first go thorugh this OP and then check my below implementation.
I had created a custom TextArea control, which works on the same principle provided in the mentioned OP. i.e, blending the nodes to get the desired effects. You can check different blend effects by changing the value of the combobox in the demo. I assume for your requirement you may need BlendMode.ADD
The highlight still remains while you are selecting the text.