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Keep the cursor in the same position on screen when the editor resizes

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This commit is contained in:
James Allen 2017-02-07 15:23:44 +01:00
parent 6e39824e41
commit d00619ff3d
1 changed files with 12 additions and 0 deletions
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12
services/web/public/coffee/ide/editor/directives/aceEditor.coffee
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@ -167,10 +167,22 @@ define [
if arg == "/"
ace.require("ace/ext/searchbox").Search(editor, true)
getCursorScreenPosition = () ->
session = editor.getSession()
cursorPosition = session.selection.getCursor()
sessionPos = session.documentToScreenPosition(cursorPosition.row, cursorPosition.column)
screenPos = editor.renderer.textToScreenCoordinates(sessionPos.row, sessionPos.column)
return sessionPos.row * editor.renderer.lineHeight - session.getScrollTop()
if attrs.resizeOn?
for event in attrs.resizeOn.split(",")
scope.$on event, () ->
previousScreenPosition = getCursorScreenPosition()
editor.resize()
# Put cursor back to same vertical position on screen
newScreenPosition = getCursorScreenPosition()
session = editor.getSession()
session.setScrollTop(session.getScrollTop() + newScreenPosition - previousScreenPosition)
scope.$watch "theme", (value) ->
editor.setTheme("ace/theme/#{value}")