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Merge pull request #12328 from benogle/bo-tooltip-adjust

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Add tooltip `viewport` option, respect bounds of the viewport
This commit is contained in:
Mark Otto 2014-03-23 11:41:28 -07:00
commit 2b27006c71
4 changed files with 252 additions and 40 deletions
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8
docs/_includes/js/tooltips.html
View File

@ -134,6 +134,14 @@ $('#example').tooltip(options)
<p>Appends the tooltip to a specific element. Example: <code>container: 'body'</code></p> <p>Appends the tooltip to a specific element. Example: <code>container: 'body'</code></p>
</td> </td>
</tr> </tr>
<tr>
<td>viewport</td>
<td>string | object</td>
<td>{ selector: 'body', padding: 0 }</td>
<td>
<p>Keeps the tooltip within the bounds of this element. Example: <code>viewport: '#viewport'</code> or <code>{ selector: '#viewport', padding: 0 }</code></p>
</td>
</tr>
</tbody> </tbody>
</table> </table>
</div><!-- /.table-responsive --> </div><!-- /.table-responsive -->

103
examples/tooltips/viewport.html Normal file
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@ -0,0 +1,103 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<link rel="shortcut icon" href="../../docs-assets/ico/favicon.png">
<title>Tooltip Viewport Example for Bootstrap</title>
<!-- Bootstrap core CSS -->
<link href="../../dist/css/bootstrap.css" rel="stylesheet">
<!-- Just for debugging purposes. Don't actually copy this line! -->
<!--[if lt IE 9]><script src="../../docs-assets/js/ie8-responsive-file-warning.js"></script><![endif]-->
<!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
<![endif]-->
<style>
body {
height: 1200px;
}
.tooltip {
min-width: 250px;
max-width: 500px;
}
.tooltip .tooltip-inner {
min-height: 200px;
min-width: 250px;
max-width: 500px;
}
.placeholder {
height: 900px;
}
.container-viewport {
position: absolute;
left: 200px;
top: 600px;
width: 600px;
height: 400px;
background: #c00;
}
.btn-bottom {
position: absolute;
left: 0;
bottom: 0;
}
</style>
</head>
<body>
<button class="btn pull-right tooltip-bottom", title="This should be shifted to the left">Shift Left</button>
<button class="btn tooltip-bottom", title="This should be shifted to the right">Shift Right</button>
<button class="btn tooltip-right", title="This should be shifted down">Shift Down</button>
<div class="placeholder">There is a button down there ↓</div>
<button class="btn tooltip-right", title="This should be shifted up">Shift Up</button>
<div class="container-viewport">
<button class="btn tooltip-viewport-bottom", title="This should be shifted Left">Shift Left</button>
<button class="btn tooltip-viewport-right", title="This should be shifted Down">Shift Down</button>
<button class="btn pull-right tooltip-viewport-bottom", title="This should be shifted Right">Shift Right</button>
<button class="btn tooltip-viewport-right btn-bottom", title="This should be shifted up">Shift Up</button>
</div>
<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
<script src="../../js/tooltip.js"></script>
<script>
$(function(){
$('.tooltip-right').tooltip({
placement: 'right',
viewport: {selector: 'body', padding: 2}
});
$('.tooltip-bottom').tooltip({
placement: 'bottom',
viewport: {selector: 'body', padding: 2}
});
$('.tooltip-viewport-right').tooltip({
placement: 'right',
viewport: {selector: '.container-viewport', padding: 2}
});
$('.tooltip-viewport-bottom').tooltip({
placement: 'bottom',
viewport: {selector: '.container-viewport', padding: 2}
});
});
</script>
</body>
</html>

81
js/tests/unit/tooltip.js
View File

@ -337,12 +337,12 @@ $(function () {
}) })
test('should add position class before positioning so that position-specific styles are taken into account', function () { test('should add position class before positioning so that position-specific styles are taken into account', function () {
$('head').append('<style> .tooltip.right { white-space: nowrap; } .tooltip.right .tooltip-inner { max-width: none; } </style>') $('head').append('<style id="test"> .tooltip.right { white-space: nowrap; } .tooltip.right .tooltip-inner { max-width: none; } </style>')
var container = $('<div />').appendTo('body'), var container = $('<div />').appendTo('body'),
target = $('<a href="#" rel="tooltip" title="very very very very very very very very long tooltip in one line"></a>') target = $('<a href="#" rel="tooltip" title="very very very very very very very very long tooltip in one line"></a>')
.appendTo(container) .appendTo(container)
.tooltip({placement: 'right'}) .tooltip({placement: 'right', viewport: null})
.tooltip('show'), .tooltip('show'),
tooltip = container.find('.tooltip') tooltip = container.find('.tooltip')
@ -352,6 +352,7 @@ $(function () {
var topDiff = top - top2 var topDiff = top - top2
ok(topDiff <= 1 && topDiff >= -1) ok(topDiff <= 1 && topDiff >= -1)
target.tooltip('hide') target.tooltip('hide')
$('head #test').remove()
}) })
test('tooltip title test #1', function () { test('tooltip title test #1', function () {
@ -428,4 +429,80 @@ $(function () {
ttContainer.remove() ttContainer.remove()
}) })
test('should adjust the tip\'s top when up against the top of the viewport', function () {
$('head').append('<style id="test"> .tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; } </style>')
var container = $('<div />').appendTo('body'),
target = $('<a href="#" rel="tooltip" title="tip" style="position: fixed; top: 0px; left: 0px;"></a>')
.appendTo(container)
.tooltip({placement: 'right', viewport: {selector: 'body', padding: 12}})
.tooltip('show'),
tooltip = container.find('.tooltip')
ok( Math.round(tooltip.offset().top) === 12 )
target.tooltip('hide')
$('head #test').remove()
})
test('should adjust the tip\'s top when up against the bottom of the viewport', function () {
$('head').append('<style id="test"> .tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; } </style>')
var container = $('<div />').appendTo('body'),
target = $('<a href="#" rel="tooltip" title="tip" style="position: fixed; bottom: 0px; left: 0px;"></a>')
.appendTo(container)
.tooltip({placement: 'right', viewport: {selector: 'body', padding: 12}})
.tooltip('show'),
tooltip = container.find('.tooltip')
ok( Math.round(tooltip.offset().top) === Math.round($(window).height() - 12 - tooltip[0].offsetHeight) )
target.tooltip('hide')
$('head #test').remove()
})
test('should adjust the tip\'s left when up against the left of the viewport', function () {
$('head').append('<style id="test"> .tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; } </style>')
var container = $('<div />').appendTo('body'),
target = $('<a href="#" rel="tooltip" title="tip" style="position: fixed; top: 0px; left: 0px;"></a>')
.appendTo(container)
.tooltip({placement: 'bottom', viewport: {selector: 'body', padding: 12}})
.tooltip('show'),
tooltip = container.find('.tooltip')
ok( Math.round(tooltip.offset().left) === 12 )
target.tooltip('hide')
$('head #test').remove()
})
test('should adjust the tip\'s left when up against the right of the viewport', function () {
$('head').append('<style id="test"> .tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; } </style>')
var container = $('<div />').appendTo('body'),
target = $('<a href="#" rel="tooltip" title="tip" style="position: fixed; top: 0px; right: 0px;"></a>')
.appendTo(container)
.tooltip({placement: 'bottom', viewport: {selector: 'body', padding: 12}})
.tooltip('show'),
tooltip = container.find('.tooltip')
ok( Math.round(tooltip.offset().left) === Math.round($(window).width() - 12 - tooltip[0].offsetWidth) )
target.tooltip('hide')
$('head #test').remove()
})
test('should adjust the tip when up against the right of an arbitrary viewport', function () {
$('head').append('<style id="test"> .tooltip, .tooltip .tooltip-inner { width: 200px; height: 200px; max-width: none; } </style>')
$('head').append('<style id="viewport-style"> .container-viewport { position: absolute; top: 50px; left: 60px; width: 300px; height: 300px; } </style>')
var container = $('<div />', {class: 'container-viewport'}).appendTo('body'),
target = $('<a href="#" rel="tooltip" title="tip" style="position: fixed; top: 50px; left: 350px;"></a>')
.appendTo(container)
.tooltip({placement: 'bottom', viewport: '.container-viewport'})
.tooltip('show'),
tooltip = container.find('.tooltip')
ok( Math.round(tooltip.offset().left) === Math.round(60 + container.width() - tooltip[0].offsetWidth) )
target.tooltip('hide')
$('head #test').remove()
$('head #viewport-style').remove()
})
}) })

100
js/tooltip.js
View File

@ -34,14 +34,19 @@
title: '', title: '',
delay: 0, delay: 0,
html: false, html: false,
container: false container: false,
viewport: {
selector: 'body',
padding: 0
}
} }
Tooltip.prototype.init = function (type, element, options) { Tooltip.prototype.init = function (type, element, options) {
this.enabled = true this.enabled = true
this.type = type this.type = type
this.$element = $(element) this.$element = $(element)
this.options = this.getOptions(options) this.options = this.getOptions(options)
this.$viewport = this.options.viewport && $(this.options.viewport.selector || this.options.viewport)
var triggers = this.options.trigger.split(' ') var triggers = this.options.trigger.split(' ')
@ -157,18 +162,14 @@
var actualHeight = $tip[0].offsetHeight var actualHeight = $tip[0].offsetHeight
if (autoPlace) { if (autoPlace) {
var $parent = this.$element.parent()
var orgPlacement = placement var orgPlacement = placement
var docScroll = document.documentElement.scrollTop var $parent = this.$element.parent()
var parentWidth = this.options.container == 'body' ? window.innerWidth : $parent.outerWidth() var parentDim = this.getPosition($parent)
var parentHeight = this.options.container == 'body' ? window.innerHeight : $parent.outerHeight()
var parentLeft = this.options.container == 'body' ? 0 : $parent.offset().left
placement = placement == 'bottom' && pos.top + pos.height + actualHeight - docScroll > parentHeight ? 'top' : placement = placement == 'bottom' && pos.top + pos.height + actualHeight - parentDim.scroll > parentDim.height ? 'top' :
placement == 'top' && pos.top - docScroll - actualHeight < 0 ? 'bottom' : placement == 'top' && pos.top - parentDim.scroll - actualHeight < 0 ? 'bottom' :
placement == 'right' && pos.right + actualWidth > parentWidth ? 'left' : placement == 'right' && pos.right + actualWidth > parentDim.width ? 'left' :
placement == 'left' && pos.left - actualWidth < parentLeft ? 'right' : placement == 'left' && pos.left - actualWidth < parentDim.left ? 'right' :
placement placement
$tip $tip
@ -228,29 +229,20 @@
var actualHeight = $tip[0].offsetHeight var actualHeight = $tip[0].offsetHeight
if (placement == 'top' && actualHeight != height) { if (placement == 'top' && actualHeight != height) {
replace = true
offset.top = offset.top + height - actualHeight offset.top = offset.top + height - actualHeight
} }
if (/bottom|top/.test(placement)) { var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight)
var delta = 0
if (offset.left < 0) { if (delta.left) offset.left += delta.left
delta = offset.left * -2 else offset.top += delta.top
offset.left = 0
$tip.offset(offset) var arrowDelta = delta.left ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight
var arrowPosition = delta.left ? 'left' : 'top'
var arrowOffsetPosition = delta.left ? 'offsetWidth' : 'offsetHeight'
actualWidth = $tip[0].offsetWidth $tip.offset(offset)
actualHeight = $tip[0].offsetHeight this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], arrowPosition)
}
this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
} else {
this.replaceArrow(actualHeight - height, actualHeight, 'top')
}
if (replace) $tip.offset(offset)
} }
Tooltip.prototype.replaceArrow = function (delta, dimension, position) { Tooltip.prototype.replaceArrow = function (delta, dimension, position) {
@ -303,12 +295,15 @@
return this.getTitle() return this.getTitle()
} }
Tooltip.prototype.getPosition = function () { Tooltip.prototype.getPosition = function ($element) {
var el = this.$element[0] $element = $element || this.$element
return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : { var el = $element[0]
width: el.offsetWidth, var isBody = el.tagName == 'BODY'
height: el.offsetHeight return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : null, {
}, this.$element.offset()) scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop(),
width: isBody ? $(window).width() : $element.outerWidth(),
height: isBody ? $(window).height() : $element.outerHeight()
}, isBody ? {top: 0, left: 0} : $element.offset())
} }
Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) { Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) {
@ -316,6 +311,35 @@
placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } : placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } :
placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } : placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } :
/* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width } /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }
}
Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) {
var delta = { top: 0, left: 0 }
if (!this.$viewport) return delta
var viewportPadding = this.options.viewport && this.options.viewport.padding || 0
var viewportDimensions = this.getPosition(this.$viewport)
if (/right|left/.test(placement)) {
var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll
var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight
if (topEdgeOffset < viewportDimensions.top) { // top overflow
delta.top = viewportDimensions.top - topEdgeOffset
} else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow
delta.top = viewportDimensions.top + viewportDimensions.height - bottomEdgeOffset
}
} else {
var leftEdgeOffset = pos.left - viewportPadding
var rightEdgeOffset = pos.left + viewportPadding + actualWidth
if (leftEdgeOffset < viewportDimensions.left) { // left overflow
delta.left = viewportDimensions.left - leftEdgeOffset
} else if (rightEdgeOffset > viewportDimensions.width) { // right overflow
delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset
}
}
return delta
} }
Tooltip.prototype.getTitle = function () { Tooltip.prototype.getTitle = function () {