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fix: make colorbox content scrollable #119

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fix: make colorbox content scrollable #119

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13b34d5
fix: make colorbox content scrollable
saiqulhaq May 28, 2022
465dcb3
fix: user should able to scroll to the end of the code
saiqulhaq May 28, 2022
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81 changes: 81 additions & 0 deletions assets/javascripts/application.js
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,87 @@ $(document).ready(function () {

var active_group = $('.group_tabs li.active a').attr('class');
$("#" + active_group + ".file_list_container").show();
},
onComplete: function (a, b, c) {
var hash = a.el.hash
var sourceCode = $(hash)
var minDistance = 0
var maxDistance
var sourceCodeHeight = sourceCode.height();
if (sourceCodeHeight > 500) {
maxDistance = sourceCodeHeight - 500
} else {
maxDistance = sourceCodeHeight
}
var step = 22
var distance = step * 4
var onScroll = function(event) {
distance = $(hash).position().top * -1
console.log('set distance', distance)
}
var $parentDiv = $('#cboxLoadedContent')

$parentDiv.on('scroll', onScroll)

var scrollDown = function () {
$parentDiv.off('scroll')
if (distance > maxDistance) {
return
} else if (distance < step) {
distance = step
}
console.log('down', distance, maxDistance)

$parentDiv.animate({ scrollTop: distance }, { duration: 0, complete: function () {
if (distance + step > maxDistance) {
distance = maxDistance;
} else {
distance += step;
}

setTimeout(function() {
$parentDiv.on('scroll', onScroll)
}, 1000)
}});
}

var scrollUp = function () {
console.log('up', distance, minDistance, maxDistance)
$parentDiv.off('scroll')
if (distance == 0) {
return
} else if (distance <= minDistance + 100) {
distance = 0
} else if (distance == maxDistance) {
distance -= (step * 2)
}

$parentDiv.animate({ scrollTop: distance }, { duration: 0, complete: function () {
console.log('up done', distance)
if (distance + 100 < minDistance) {
distance = minDistance
} else {
distance -= step;
}
setTimeout(function() {
$parentDiv.on('scroll', onScroll)
}, 1000)
}});
}

$('#colorbox').on('keydown', function (evt) {
if (evt.keyCode == 40) { // down arrow
evt.preventDefault(); // prevents the usual scrolling behaviour
scrollDown()
} else if (evt.keyCode == 38) { // up arrow
evt.preventDefault();
scrollUp()
}
})
},
onClosed: function (a, b, c) {
$('#colorbox').off('keydown')
$('#cboxLoadedContent').off('scroll')
}
});

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