Ace editor trigger event using javascript

Question

Is there anything like

editor.getSession.trigger('change')

the reason I want this is because the editor goes in and out of new, so when It comes back into view I need it to do its normal 'change' thing, but I dont want to wait for user input?

Currently I have

editor.getSession().on('change', function(){
    editorChangeHandler()
})

and I just recall

        editorChangeHandler()

when I need to, but editor.getSession.trigger('change') is much nicer.

a user · Accepted Answer · 2013-04-16 05:13:57Z

3

editor.session._emit('change') would trigger editorChangeHandler, but fake change event will break undo history.

answered Apr 16, 2013 at 5:13

a user

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2 Comments

Mike Over a year ago

I tried this approach and got an error ace.js:7973 Uncaught TypeError: Cannot read property 'row' of undefined

Mike Over a year ago

I had to do something like: editor.getSession()._emit('change', {start:{row:0,column:0},end:{row:0,column:0},action:'insert',lines: []})

eQ19 · Accepted Answer · 2019-10-15 07:25:32Z

0

the reason I want this is because the editor goes in and out of new, so when It comes back into view I need it to do its normal 'change' thing, but I dont want to wait for user input?

You may try an alternative solution to the case using underscore.js.

Change:

editor.getSession().on('change', function(){
    editorChangeHandler()
})

to:

editor.getSession().on('change', _.debounce(function() {
    editorChangeHandler()
}, 100))

when you trigger a change it like:

editor.setValue('my change..');

then it will behave like your wish:

editor.getSession.trigger('change')

answered Oct 15, 2019 at 7:25

eQ19

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