CODEWITHSUNDEEP
javascriptjquerycodemirror
user3215609
user3215609

Reputation: 535

CodeMirror: textarea setValue() pro

I was trying to apply codemirror to my textarea after ajax query is done, but always get blank textarea (text is loaded, but hidden, so textarea is blank). When I right-click on the textarea and simply open Chrome DevTools text magically appears, same problem in all browsers I tried - Mozilla (FireBug), Opera

Here is my codemirror code:

CodeMirror.fromTextArea(result).setValue(JSON.stringify(data,null,'\t'));

CodeMirror version 3.21

Upvotes: 0

Views: 2397

Answers (2)

Marijn
Marijn

Reputation: 8929

I suspect the textarea is hidden, or some other factor is preventing the editor from rending when it is initialized. CodeMirror can't properly build up its display when hidde, so you have to call its refresh method when you unhide it. A window resize (as triggered by opening devtools) will cause it to refresh automatically.

Upvotes: 3

T145
T145

Reputation: 1523

Do something like this (I presume your "result" field is under a tag identified as such):

CodeMirror.fromTextArea(document.getElementById('result'), {
    theme: 'default', // the theme can be set here
    lineNumbers: true,
    lineWrapping: true,
    styleActiveLine: true
}).setValue(JSON.stringify(data, '\t')

The parameters for the "setValue" function are 1) element 2) value 3) code. Each is optional.

Upvotes: 0

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