mirror of https://github.com/zulip/zulip.git
[third] Upgrade jquery.autosize.js from 1.13 to 1.17.7
(imported from commit c6a3a911b4481a53000b3f937ea5a3b85a5be8d2)
This commit is contained in:
Steve Howell
parent
f666e168e1
commit
7d3dfff9c7
|
|
@ -1,44 +1,31 @@
|
|||
/** @preserve
|
||||
Software from "Autosize 1.13", a jQuery plugin for textareas, is
|
||||
Copyright (c) 2012 Jack Moore and is provided under the following license:
|
||||
--
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in
|
||||
all copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
THE SOFTWARE.
|
||||
--
|
||||
/*!
|
||||
Autosize v1.17.7 - 2013-09-03
|
||||
Automatically adjust textarea height based on user input.
|
||||
(c) 2013 Jack Moore - http://www.jacklmoore.com/autosize
|
||||
license: http://www.opensource.org/licenses/mit-license.php
|
||||
*/
|
||||
|
||||
// Autosize 1.13 - jQuery plugin for textareas
|
||||
// (c) 2012 Jack Moore - jacklmoore.com
|
||||
// license: www.opensource.org/licenses/mit-license.php
|
||||
|
||||
(function ($) {
|
||||
(function (factory) {
|
||||
if (typeof define === 'function' && define.amd) {
|
||||
// AMD. Register as an anonymous module.
|
||||
define(['jquery'], factory);
|
||||
} else {
|
||||
// Browser globals: jQuery or jQuery-like library, such as Zepto
|
||||
factory(window.jQuery || window.$);
|
||||
}
|
||||
}(function ($) {
|
||||
var
|
||||
defaults = {
|
||||
className: 'autosizejs',
|
||||
append: "",
|
||||
callback: false
|
||||
append: '',
|
||||
callback: false,
|
||||
resizeDelay: 10
|
||||
},
|
||||
hidden = 'hidden',
|
||||
borderBox = 'border-box',
|
||||
lineHeight = 'lineHeight',
|
||||
copy = '<textarea tabindex="-1" style="position:absolute; top:-9999px; left:-9999px; right:auto; bottom:auto; -moz-box-sizing:content-box; -webkit-box-sizing:content-box; box-sizing:content-box; word-wrap:break-word; height:0 !important; min-height:0 !important; overflow:hidden;"/>',
|
||||
// line-height is omitted because IE7/IE8 doesn't return the correct value.
|
||||
copyStyle = [
|
||||
|
||||
// border:0 is unnecessary, but avoids a bug in FireFox on OSX
|
||||
copy = '<textarea tabindex="-1" style="position:absolute; top:-999px; left:0; right:auto; bottom:auto; border:0; padding: 0; -moz-box-sizing:content-box; -webkit-box-sizing:content-box; box-sizing:content-box; word-wrap:break-word; height:0 !important; min-height:0 !important; overflow:hidden; transition:none; -webkit-transition:none; -moz-transition:none;"/>',
|
||||
|
||||
// line-height is conditionally included because IE7/IE8/old Opera do not return the correct value.
|
||||
typographyStyles = [
|
||||
'fontFamily',
|
||||
'fontSize',
|
||||
'fontWeight',
|
||||
|
|
@ -48,157 +35,220 @@
|
|||
'wordSpacing',
|
||||
'textIndent'
|
||||
],
|
||||
oninput = 'oninput',
|
||||
onpropertychange = 'onpropertychange',
|
||||
test = $(copy)[0];
|
||||
|
||||
// For testing support in old FireFox
|
||||
test.setAttribute(oninput, "return");
|
||||
// to keep track which textarea is being mirrored when adjust() is called.
|
||||
mirrored,
|
||||
|
||||
if ($.isFunction(test[oninput]) || onpropertychange in test) {
|
||||
// the mirror element, which is used to calculate what size the mirrored element should be.
|
||||
mirror = $(copy).data('autosize', true)[0];
|
||||
|
||||
// test that line-height can be accurately copied to avoid
|
||||
// incorrect value reporting in old IE and old Opera
|
||||
$(test).css(lineHeight, '99px');
|
||||
if ($(test).css(lineHeight) === '99px') {
|
||||
copyStyle.push(lineHeight);
|
||||
// test that line-height can be accurately copied.
|
||||
mirror.style.lineHeight = '99px';
|
||||
if ($(mirror).css('lineHeight') === '99px') {
|
||||
typographyStyles.push('lineHeight');
|
||||
}
|
||||
mirror.style.lineHeight = '';
|
||||
|
||||
$.fn.autosize = function (options) {
|
||||
options = $.extend({}, defaults, options || {});
|
||||
|
||||
if (mirror.parentNode !== document.body) {
|
||||
$(document.body).append(mirror);
|
||||
}
|
||||
|
||||
$.fn.autosize = function (options) {
|
||||
options = $.extend({}, defaults, options || {});
|
||||
return this.each(function () {
|
||||
var
|
||||
ta = this,
|
||||
$ta = $(ta),
|
||||
maxHeight,
|
||||
minHeight,
|
||||
boxOffset = 0,
|
||||
callback = $.isFunction(options.callback),
|
||||
originalStyles = {
|
||||
height: ta.style.height,
|
||||
overflow: ta.style.overflow,
|
||||
overflowY: ta.style.overflowY,
|
||||
wordWrap: ta.style.wordWrap,
|
||||
resize: ta.style.resize
|
||||
},
|
||||
timeout,
|
||||
width = $ta.width();
|
||||
|
||||
return this.each(function () {
|
||||
var
|
||||
ta = this,
|
||||
$ta = $(ta),
|
||||
mirror,
|
||||
minHeight = $ta.height(),
|
||||
maxHeight = parseInt($ta.css('maxHeight'), 10),
|
||||
active,
|
||||
i = copyStyle.length,
|
||||
resize,
|
||||
boxOffset = 0,
|
||||
value = ta.value,
|
||||
callback = $.isFunction(options.callback);
|
||||
if ($ta.data('autosize')) {
|
||||
// exit if autosize has already been applied, or if the textarea is the mirror element.
|
||||
return;
|
||||
}
|
||||
$ta.data('autosize', true);
|
||||
|
||||
if ($ta.css('box-sizing') === borderBox || $ta.css('-moz-box-sizing') === borderBox || $ta.css('-webkit-box-sizing') === borderBox){
|
||||
boxOffset = $ta.outerHeight() - $ta.height();
|
||||
}
|
||||
if ($ta.css('box-sizing') === 'border-box' || $ta.css('-moz-box-sizing') === 'border-box' || $ta.css('-webkit-box-sizing') === 'border-box'){
|
||||
boxOffset = $ta.outerHeight() - $ta.height();
|
||||
}
|
||||
|
||||
if ($ta.data('mirror') || $ta.data('ismirror')) {
|
||||
// if autosize has already been applied, exit.
|
||||
// if autosize is being applied to a mirror element, exit.
|
||||
return;
|
||||
} else {
|
||||
mirror = $(copy).data('ismirror', true).addClass(options.className)[0];
|
||||
// IE8 and lower return 'auto', which parses to NaN, if no min-height is set.
|
||||
minHeight = Math.max(parseInt($ta.css('minHeight'), 10) - boxOffset || 0, $ta.height());
|
||||
|
||||
resize = $ta.css('resize') === 'none' ? 'none' : 'horizontal';
|
||||
$ta.css({
|
||||
overflow: 'hidden',
|
||||
overflowY: 'hidden',
|
||||
wordWrap: 'break-word', // horizontal overflow is hidden, so break-word is necessary for handling words longer than the textarea width
|
||||
resize: ($ta.css('resize') === 'none' || $ta.css('resize') === 'vertical') ? 'none' : 'horizontal'
|
||||
});
|
||||
|
||||
$ta.data('mirror', $(mirror)).css({
|
||||
overflow: hidden,
|
||||
overflowY: hidden,
|
||||
wordWrap: 'break-word',
|
||||
resize: resize
|
||||
// The mirror width must exactly match the textarea width, so using getBoundingClientRect because it doesn't round the sub-pixel value.
|
||||
function setWidth() {
|
||||
var style, width;
|
||||
|
||||
if ('getComputedStyle' in window) {
|
||||
style = window.getComputedStyle(ta);
|
||||
width = ta.getBoundingClientRect().width;
|
||||
|
||||
$.each(['paddingLeft', 'paddingRight', 'borderLeftWidth', 'borderRightWidth'], function(i,val){
|
||||
width -= parseInt(style[val],10);
|
||||
});
|
||||
|
||||
mirror.style.width = width + 'px';
|
||||
}
|
||||
|
||||
// Opera returns '-1px' when max-height is set to 'none'.
|
||||
maxHeight = maxHeight && maxHeight > 0 ? maxHeight : 9e4;
|
||||
|
||||
// Using mainly bare JS in this function because it is going
|
||||
// to fire very often while typing, and needs to very efficient.
|
||||
function adjust() {
|
||||
var height, overflow, original;
|
||||
|
||||
// the active flag keeps IE from tripping all over itself. Otherwise
|
||||
// actions in the adjust function will cause IE to call adjust again.
|
||||
if (!active) {
|
||||
active = true;
|
||||
mirror.value = ta.value + options.append;
|
||||
mirror.style.overflowY = ta.style.overflowY;
|
||||
original = parseInt(ta.style.height,10);
|
||||
|
||||
// Update the width in case the original textarea width has changed
|
||||
mirror.style.width = $ta.css('width');
|
||||
|
||||
// Needed for IE to reliably return the correct scrollHeight
|
||||
mirror.scrollTop = 0;
|
||||
|
||||
// Set a very high value for scrollTop to be sure the
|
||||
// mirror is scrolled all the way to the bottom.
|
||||
mirror.scrollTop = 9e4;
|
||||
|
||||
height = mirror.scrollTop;
|
||||
overflow = hidden;
|
||||
if (height > maxHeight) {
|
||||
height = maxHeight;
|
||||
overflow = 'scroll';
|
||||
} else if (height < minHeight) {
|
||||
height = minHeight;
|
||||
}
|
||||
height += boxOffset;
|
||||
ta.style.overflowY = overflow;
|
||||
|
||||
if (original !== height) {
|
||||
ta.style.height = height + 'px';
|
||||
if (callback) {
|
||||
options.callback.call(ta);
|
||||
}
|
||||
}
|
||||
|
||||
// This small timeout gives IE a chance to draw it's scrollbar
|
||||
// before adjust can be run again (prevents an infinite loop).
|
||||
setTimeout(function () {
|
||||
active = false;
|
||||
}, 1);
|
||||
}
|
||||
else {
|
||||
// window.getComputedStyle, getBoundingClientRect returning a width are unsupported and unneeded in IE8 and lower.
|
||||
mirror.style.width = Math.max($ta.width(), 0) + 'px';
|
||||
}
|
||||
}
|
||||
|
||||
function initMirror() {
|
||||
var styles = {};
|
||||
|
||||
mirrored = ta;
|
||||
mirror.className = options.className;
|
||||
maxHeight = parseInt($ta.css('maxHeight'), 10);
|
||||
|
||||
// mirror is a duplicate textarea located off-screen that
|
||||
// is automatically updated to contain the same text as the
|
||||
// original textarea. mirror always has a height of 0.
|
||||
// This gives a cross-browser supported way getting the actual
|
||||
// height of the text, through the scrollTop property.
|
||||
while (i--) {
|
||||
mirror.style[copyStyle[i]] = $ta.css(copyStyle[i]);
|
||||
$.each(typographyStyles, function(i,val){
|
||||
styles[val] = $ta.css(val);
|
||||
});
|
||||
$(mirror).css(styles);
|
||||
|
||||
setWidth();
|
||||
|
||||
// Chrome-specific fix:
|
||||
// When the textarea y-overflow is hidden, Chrome doesn't reflow the text to account for the space
|
||||
// made available by removing the scrollbar. This workaround triggers the reflow for Chrome.
|
||||
if (window.chrome) {
|
||||
var width = ta.style.width;
|
||||
ta.style.width = '0px';
|
||||
var ignore = ta.offsetWidth;
|
||||
ta.style.width = width;
|
||||
}
|
||||
}
|
||||
|
||||
$('body').append(mirror);
|
||||
// Using mainly bare JS in this function because it is going
|
||||
// to fire very often while typing, and needs to very efficient.
|
||||
function adjust() {
|
||||
var height, original;
|
||||
|
||||
if (onpropertychange in ta) {
|
||||
if (oninput in ta) {
|
||||
// Detects IE9. IE9 does not fire onpropertychange or oninput for deletions,
|
||||
// so binding to onkeyup to catch most of those occassions. There is no way that I
|
||||
// know of to detect something like 'cut' in IE9.
|
||||
ta[oninput] = ta.onkeyup = adjust;
|
||||
} else {
|
||||
// IE7 / IE8
|
||||
ta[onpropertychange] = adjust;
|
||||
}
|
||||
if (mirrored !== ta) {
|
||||
initMirror();
|
||||
} else {
|
||||
// Modern Browsers
|
||||
ta[oninput] = adjust;
|
||||
|
||||
// The textarea overflow is now hidden. But Chrome doesn't reflow the text after the scrollbars are removed.
|
||||
// This is a hack to get Chrome to reflow it's text.
|
||||
ta.value = '';
|
||||
ta.value = value;
|
||||
setWidth();
|
||||
}
|
||||
|
||||
$(window).resize(adjust);
|
||||
mirror.value = ta.value + options.append;
|
||||
mirror.style.overflowY = ta.style.overflowY;
|
||||
original = parseInt(ta.style.height,10);
|
||||
|
||||
// Allow for manual triggering if needed.
|
||||
$ta.bind('autosize', adjust);
|
||||
// Setting scrollTop to zero is needed in IE8 and lower for the next step to be accurately applied
|
||||
mirror.scrollTop = 0;
|
||||
|
||||
// Call adjust in case the textarea already contains text.
|
||||
mirror.scrollTop = 9e4;
|
||||
|
||||
// Using scrollTop rather than scrollHeight because scrollHeight is non-standard and includes padding.
|
||||
height = mirror.scrollTop;
|
||||
|
||||
if (maxHeight && height > maxHeight) {
|
||||
ta.style.overflowY = 'scroll';
|
||||
height = maxHeight;
|
||||
} else {
|
||||
ta.style.overflowY = 'hidden';
|
||||
if (height < minHeight) {
|
||||
height = minHeight;
|
||||
}
|
||||
}
|
||||
|
||||
height += boxOffset;
|
||||
|
||||
if (original !== height) {
|
||||
ta.style.height = height + 'px';
|
||||
if (callback) {
|
||||
options.callback.call(ta,ta);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function resize () {
|
||||
clearTimeout(timeout);
|
||||
timeout = setTimeout(function(){
|
||||
var newWidth = $ta.width();
|
||||
|
||||
if (newWidth !== width) {
|
||||
width = newWidth;
|
||||
adjust();
|
||||
}
|
||||
}, parseInt(options.resizeDelay,10));
|
||||
}
|
||||
|
||||
if ('onpropertychange' in ta) {
|
||||
if ('oninput' in ta) {
|
||||
// Detects IE9. IE9 does not fire onpropertychange or oninput for deletions,
|
||||
// so binding to onkeyup to catch most of those occasions. There is no way that I
|
||||
// know of to detect something like 'cut' in IE9.
|
||||
$ta.on('input.autosize keyup.autosize', adjust);
|
||||
} else {
|
||||
// IE7 / IE8
|
||||
$ta.on('propertychange.autosize', function(){
|
||||
if(event.propertyName === 'value'){
|
||||
adjust();
|
||||
}
|
||||
});
|
||||
}
|
||||
} else {
|
||||
// Modern Browsers
|
||||
$ta.on('input.autosize', adjust);
|
||||
}
|
||||
|
||||
// Set options.resizeDelay to false if using fixed-width textarea elements.
|
||||
// Uses a timeout and width check to reduce the amount of times adjust needs to be called after window resize.
|
||||
|
||||
if (options.resizeDelay !== false) {
|
||||
$(window).on('resize.autosize', resize);
|
||||
}
|
||||
|
||||
// Event for manual triggering if needed.
|
||||
// Should only be needed when the value of the textarea is changed through JavaScript rather than user input.
|
||||
$ta.on('autosize.resize', adjust);
|
||||
|
||||
// Event for manual triggering that also forces the styles to update as well.
|
||||
// Should only be needed if one of typography styles of the textarea change, and the textarea is already the target of the adjust method.
|
||||
$ta.on('autosize.resizeIncludeStyle', function() {
|
||||
mirrored = null;
|
||||
adjust();
|
||||
});
|
||||
};
|
||||
} else {
|
||||
// Makes no changes for older browsers (FireFox3- and Safari4-)
|
||||
$.fn.autosize = function (callback) {
|
||||
return this;
|
||||
};
|
||||
}
|
||||
|
||||
}(window.jQuery || window.Zepto));
|
||||
$ta.on('autosize.destroy', function(){
|
||||
mirrored = null;
|
||||
clearTimeout(timeout);
|
||||
$(window).off('resize', resize);
|
||||
$ta
|
||||
.off('autosize')
|
||||
.off('.autosize')
|
||||
.css(originalStyles)
|
||||
.removeData('autosize');
|
||||
});
|
||||
|
||||
// Call adjust in case the textarea already contains text.
|
||||
adjust();
|
||||
});
|
||||
};
|
||||
}));
|
||||
|
|
|
|||
Loading…
Reference in New Issue