mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
48 lines
No EOL
1.7 KiB
CoffeeScript
48 lines
No EOL
1.7 KiB
CoffeeScript
define [
|
|
"base",
|
|
"utils/EventEmitter"
|
|
], (App, EventEmitter) ->
|
|
App.controller "ReviewPanelController", ($scope, $element) ->
|
|
$scope.reviewPanel =
|
|
entries: {}
|
|
|
|
scroller = $element.find(".review-panel-scroller")
|
|
list = $element.find(".review-entry-list")
|
|
|
|
# Use these to avoid unnecessary updates. Scrolling one
|
|
# panel causes us to scroll the other panel, but there's no
|
|
# need to trigger the event back to the original panel.
|
|
ignoreNextPanelEvent = false
|
|
ignoreNextAceEvent = false
|
|
|
|
$scope.scrollEvents = new EventEmitter()
|
|
|
|
scrollPanel = (scrollTop, height) ->
|
|
if ignoreNextAceEvent
|
|
ignoreNextAceEvent = false
|
|
else
|
|
ignoreNextPanelEvent = true
|
|
list.height(height)
|
|
scroller.scrollTop(scrollTop)
|
|
|
|
scrollAce = (e) ->
|
|
if ignoreNextPanelEvent
|
|
ignoreNextPanelEvent = false
|
|
else
|
|
ignoreNextAceEvent = true
|
|
$scope.scrollEvents.emit "scroll", e.target.scrollTop
|
|
|
|
scroller.on "scroll", scrollAce
|
|
$scope.onScroll = scrollPanel # Passed into the editor directive for it to call
|
|
|
|
# If we listen for scroll events in the review panel natively, then with a Mac trackpad
|
|
# the scroll is very smooth (natively done I'd guess), but we don't get polled regularly
|
|
# enough to keep Ace in step, and it noticeably lags. If instead, we borrow the manual
|
|
# mousewheel/trackpad scrolling behaviour from Ace, and turn mousewheel events into
|
|
# scroll events ourselves, then it makes the review panel slightly less smooth (barely)
|
|
# noticeable, but keeps it perfectly in step with Ace.
|
|
ace.require("ace/lib/event").addMouseWheelListener scroller[0], (e) ->
|
|
deltaY = e.wheelY
|
|
# console.log "mousewheel", deltaY
|
|
scroller.scrollTop(scroller.scrollTop() + deltaY * 4)
|
|
e.preventDefault() |