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Diffstat (limited to 'syweb/webclient/js/elastic.js')
| -rw-r--r-- | syweb/webclient/js/elastic.js | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/syweb/webclient/js/elastic.js b/syweb/webclient/js/elastic.js deleted file mode 100644 index d585d81109..0000000000 --- a/syweb/webclient/js/elastic.js +++ /dev/null @@ -1,216 +0,0 @@ -/* - * angular-elastic v2.4.0 - * (c) 2014 Monospaced http://monospaced.com - * License: MIT - */ - -angular.module('monospaced.elastic', []) - - .constant('msdElasticConfig', { - append: '' - }) - - .directive('msdElastic', [ - '$timeout', '$window', 'msdElasticConfig', - function($timeout, $window, config) { - 'use strict'; - - return { - require: 'ngModel', - restrict: 'A, C', - link: function(scope, element, attrs, ngModel) { - - // cache a reference to the DOM element - var ta = element[0], - $ta = element; - - // ensure the element is a textarea, and browser is capable - if (ta.nodeName !== 'TEXTAREA' || !$window.getComputedStyle) { - return; - } - - // set these properties before measuring dimensions - $ta.css({ - 'overflow': 'hidden', - 'overflow-y': 'hidden', - 'word-wrap': 'break-word' - }); - - // force text reflow - var text = ta.value; - ta.value = ''; - ta.value = text; - - var append = attrs.msdElastic ? attrs.msdElastic.replace(/\\n/g, '\n') : config.append, - $win = angular.element($window), - mirrorInitStyle = 'position: absolute; top: -999px; right: auto; bottom: auto;' + - 'left: 0; overflow: hidden; -webkit-box-sizing: content-box;' + - '-moz-box-sizing: content-box; box-sizing: content-box;' + - 'min-height: 0 !important; height: 0 !important; padding: 0;' + - 'word-wrap: break-word; border: 0;', - $mirror = angular.element('<textarea tabindex="-1" ' + - 'style="' + mirrorInitStyle + '"/>').data('elastic', true), - mirror = $mirror[0], - taStyle = getComputedStyle(ta), - resize = taStyle.getPropertyValue('resize'), - borderBox = taStyle.getPropertyValue('box-sizing') === 'border-box' || - taStyle.getPropertyValue('-moz-box-sizing') === 'border-box' || - taStyle.getPropertyValue('-webkit-box-sizing') === 'border-box', - boxOuter = !borderBox ? {width: 0, height: 0} : { - width: parseInt(taStyle.getPropertyValue('border-right-width'), 10) + - parseInt(taStyle.getPropertyValue('padding-right'), 10) + - parseInt(taStyle.getPropertyValue('padding-left'), 10) + - parseInt(taStyle.getPropertyValue('border-left-width'), 10), - height: parseInt(taStyle.getPropertyValue('border-top-width'), 10) + - parseInt(taStyle.getPropertyValue('padding-top'), 10) + - parseInt(taStyle.getPropertyValue('padding-bottom'), 10) + - parseInt(taStyle.getPropertyValue('border-bottom-width'), 10) - }, - minHeightValue = parseInt(taStyle.getPropertyValue('min-height'), 10), - heightValue = parseInt(taStyle.getPropertyValue('height'), 10), - minHeight = Math.max(minHeightValue, heightValue) - boxOuter.height, - maxHeight = parseInt(taStyle.getPropertyValue('max-height'), 10), - mirrored, - active, - copyStyle = ['font-family', - 'font-size', - 'font-weight', - 'font-style', - 'letter-spacing', - 'line-height', - 'text-transform', - 'word-spacing', - 'text-indent']; - - // exit if elastic already applied (or is the mirror element) - if ($ta.data('elastic')) { - return; - } - - // Opera returns max-height of -1 if not set - maxHeight = maxHeight && maxHeight > 0 ? maxHeight : 9e4; - - // append mirror to the DOM - if (mirror.parentNode !== document.body) { - angular.element(document.body).append(mirror); - } - - // set resize and apply elastic - $ta.css({ - 'resize': (resize === 'none' || resize === 'vertical') ? 'none' : 'horizontal' - }).data('elastic', true); - - /* - * methods - */ - - function initMirror() { - var mirrorStyle = mirrorInitStyle; - - mirrored = ta; - // copy the essential styles from the textarea to the mirror - taStyle = getComputedStyle(ta); - angular.forEach(copyStyle, function(val) { - mirrorStyle += val + ':' + taStyle.getPropertyValue(val) + ';'; - }); - mirror.setAttribute('style', mirrorStyle); - } - - function adjust() { - var taHeight, - taComputedStyleWidth, - mirrorHeight, - width, - overflow; - - if (mirrored !== ta) { - initMirror(); - } - - // active flag prevents actions in function from calling adjust again - if (!active) { - active = true; - - mirror.value = ta.value + append; // optional whitespace to improve animation - mirror.style.overflowY = ta.style.overflowY; - - taHeight = ta.style.height === '' ? 'auto' : parseInt(ta.style.height, 10); - - taComputedStyleWidth = getComputedStyle(ta).getPropertyValue('width'); - - // ensure getComputedStyle has returned a readable 'used value' pixel width - if (taComputedStyleWidth.substr(taComputedStyleWidth.length - 2, 2) === 'px') { - // update mirror width in case the textarea width has changed - width = parseInt(taComputedStyleWidth, 10) - boxOuter.width; - mirror.style.width = width + 'px'; - } - - mirrorHeight = mirror.scrollHeight; - - if (mirrorHeight > maxHeight) { - mirrorHeight = maxHeight; - overflow = 'scroll'; - } else if (mirrorHeight < minHeight) { - mirrorHeight = minHeight; - } - mirrorHeight += boxOuter.height; - - ta.style.overflowY = overflow || 'hidden'; - - if (taHeight !== mirrorHeight) { - ta.style.height = mirrorHeight + 'px'; - scope.$emit('elastic:resize', $ta); - } - - // small delay to prevent an infinite loop - $timeout(function() { - active = false; - }, 1); - - } - } - - function forceAdjust() { - active = false; - adjust(); - } - - /* - * initialise - */ - - // listen - if ('onpropertychange' in ta && 'oninput' in ta) { - // IE9 - ta['oninput'] = ta.onkeyup = adjust; - } else { - ta['oninput'] = adjust; - } - - $win.bind('resize', forceAdjust); - - scope.$watch(function() { - return ngModel.$modelValue; - }, function(newValue) { - forceAdjust(); - }); - - scope.$on('elastic:adjust', function() { - initMirror(); - forceAdjust(); - }); - - $timeout(adjust); - - /* - * destroy - */ - - scope.$on('$destroy', function() { - $mirror.remove(); - $win.unbind('resize', forceAdjust); - }); - } - }; - } - ]); |