diff --git a/common/lib/xmodule/xmodule/js/src/annotatable/display.coffee b/common/lib/xmodule/xmodule/js/src/annotatable/display.coffee index 2ad49ae6d7..523b0e99cf 100644 --- a/common/lib/xmodule/xmodule/js/src/annotatable/display.coffee +++ b/common/lib/xmodule/xmodule/js/src/annotatable/display.coffee @@ -75,6 +75,7 @@ class @Annotatable classes: 'ui-tooltip-annotatable' events: show: @onShowTip + move: @onMoveTip onClickToggleAnnotations: (e) => @toggleAnnotations() @@ -87,6 +88,40 @@ class @Annotatable onShowTip: (event, api) => event.preventDefault() if @annotationsHidden + onMoveTip: (event, api, position) => + ### + This method handles an edge case in which a tooltip is displayed above + a non-overlapping span like this: + + (( TOOLTIP )) + \/ + text text text ... text text text ...... + + + The problem is that the tooltip looks disconnected from both spans, so + we should re-position the tooltip to appear above the span. + ### + + tip = api.elements.tooltip + adjust_y = api.options.position?.adjust?.y || 0 + target = api.elements.target + rects = $(target).get(0).getClientRects() + is_non_overlapping = (rects?.length == 2 and rects[0].left > rects[1].right) + + if is_non_overlapping + focus_rect = rects[0] + rect_center = focus_rect.left + (focus_rect.width / 2) + rect_top = focus_rect.top + tip_width = $(tip).width() + tip_height = $(tip).height() + tip_left = rect_center - (tip_width / 2) + tip_top = window.pageYOffset + rect_top - tip_height + adjust_y + win_width = $(window).width() + if tip_left + tip_width > win_width + tip_left = win_width - tip_width + position.left = tip_left + position.top = tip_top + getSpanForProblemReturn: (el) -> problem_id = $(@problemReturnSelector).index(el) @$(@spanSelector).filter("[data-problem-id='#{problem_id}']")