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author | Unrud <unrud@openaliasbox.org> | 2017-06-04 17:16:11 +0200 |
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committer | Unrud <unrud@openaliasbox.org> | 2017-06-04 17:16:36 +0200 |
commit | 10eef51a0f086ad148928ba965c330599b4765cb (patch) | |
tree | d0283e55f1b4e66c49bf17461b5fee211b78768a /radicale_infcloud/web/lib/jquery.autosize.js | |
parent | Update license (diff) | |
download | radicaleinfcloud-10eef51a0f086ad148928ba965c330599b4765cb.tar.gz radicaleinfcloud-10eef51a0f086ad148928ba965c330599b4765cb.tar.bz2 radicaleinfcloud-10eef51a0f086ad148928ba965c330599b4765cb.zip |
Update package for new web plugin interface
Diffstat (limited to 'radicale_infcloud/web/lib/jquery.autosize.js')
-rw-r--r-- | radicale_infcloud/web/lib/jquery.autosize.js | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/radicale_infcloud/web/lib/jquery.autosize.js b/radicale_infcloud/web/lib/jquery.autosize.js new file mode 100644 index 0000000..b0a3f00 --- /dev/null +++ b/radicale_infcloud/web/lib/jquery.autosize.js @@ -0,0 +1,258 @@ +/*! + Autosize v1.18.0 - 2013-10-20 + 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 +*/ +(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, + resizeDelay: 10 + }, + + // 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', + 'fontStyle', + 'letterSpacing', + 'textTransform', + 'wordSpacing', + 'textIndent' + ], + + // to keep track which textarea is being mirrored when adjust() is called. + mirrored, + + // the mirror element, which is used to calculate what size the mirrored element should be. + mirror = $(copy).data('autosize', true)[0]; + + // test that line-height can be accurately copied. + mirror.style.lineHeight = '99px'; + if ($(mirror).css('lineHeight') === '99px') { + typographyStyles.push('lineHeight'); + } + mirror.style.lineHeight = ''; + + $.fn.autosize = function (options) { + if (!this.length) { + return this; + } + + options = $.extend({}, defaults, options || {}); + + if (mirror.parentNode !== document.body) { + $(document.body).append(mirror); + } + + return this.each(function () { + var + ta = this, + $ta = $(ta), + maxHeight, + minHeight, + boxOffset = 0, + callback = $.isFunction(options.callback), + originalStyles = { + height: options.defaultStyles!=undefined && options.defaultStyles['height']!=undefined ? options.defaultStyles['height'] : ta.style.height, + overflow: options.defaultStyles!=undefined && options.defaultStyles['overflow']!=undefined ? options.defaultStyles['overflow'] : ta.style.overflow, + overflowY: options.defaultStyles!=undefined && options.defaultStyles['overflow-y']!=undefined ? options.defaultStyles['overflow-y'] : ta.style.overflowY, + wordWrap: options.defaultStyles!=undefined && options.defaultStyles['word-wrap']!=undefined ? options.defaultStyles['word-wrap'] : ta.style.wordWrap, + resize: options.defaultStyles!=undefined && options.defaultStyles['resize']!=undefined ? options.defaultStyles['resize'] : ta.style.resize + }, + timeout, + width = $ta.width(); + + if ($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') === 'border-box' || $ta.css('-moz-box-sizing') === 'border-box' || $ta.css('-webkit-box-sizing') === 'border-box'){ + boxOffset = $ta.outerHeight() - $ta.height(); + } + + // IE8 and lower return 'auto', which parses to NaN, if no min-height is set. + minHeight = Math.max(parseInt($ta.css('minHeight'), 10) - boxOffset || 0, originalStyles.height); + + $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: (originalStyles.resize === 'none' || originalStyles.resize === 'vertical') ? 'none' : 'horizontal' + }); + + // 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, null); + width = ta.getBoundingClientRect().width; + + $.each(['paddingLeft', 'paddingRight', 'borderLeftWidth', 'borderRightWidth'], function(i,val){ + width -= parseInt(style[val],10); + }); + + mirror.style.width = width + 'px'; + } + else { + // window.getComputedStyle, getBoundingClientRect returning a width are unsupported and unneeded in IE8 and lower. + mirror.style.width = Math.max($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. + $.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; + } + } + + // 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 (mirrored !== ta) { + initMirror(); + } else { + setWidth(); + } + + mirror.value = ta.value + options.append; + mirror.style.overflowY = ta.style.overflowY; + original = parseInt(ta.style.height,10); + + // Setting scrollTop to zero is needed in IE8 and lower for the next step to be accurately applied + mirror.scrollTop = 0; + + 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(); + }); + + $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(); + }); + }; +})); |