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308 lines
10 KiB
308 lines
10 KiB
2 years ago
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/*
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YUI 3.17.2 (build 9c3c78e)
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Copyright 2014 Yahoo! Inc. All rights reserved.
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Licensed under the BSD License.
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http://yuilibrary.com/license/
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*/
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YUI.add('dom-style-ie', function (Y, NAME) {
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var HAS_LAYOUT = 'hasLayout',
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PX = 'px',
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FILTER = 'filter',
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FILTERS = 'filters',
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OPACITY = 'opacity',
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AUTO = 'auto',
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BORDER_WIDTH = 'borderWidth',
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BORDER_TOP_WIDTH = 'borderTopWidth',
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BORDER_RIGHT_WIDTH = 'borderRightWidth',
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BORDER_BOTTOM_WIDTH = 'borderBottomWidth',
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BORDER_LEFT_WIDTH = 'borderLeftWidth',
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WIDTH = 'width',
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HEIGHT = 'height',
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TRANSPARENT = 'transparent',
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VISIBLE = 'visible',
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GET_COMPUTED_STYLE = 'getComputedStyle',
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documentElement = Y.config.doc.documentElement,
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testFeature = Y.Features.test,
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addFeature = Y.Features.add,
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// TODO: unit-less lineHeight (e.g. 1.22)
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re_unit = /^(\d[.\d]*)+(em|ex|px|gd|rem|vw|vh|vm|ch|mm|cm|in|pt|pc|deg|rad|ms|s|hz|khz|%){1}?/i,
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isIE8 = (Y.UA.ie >= 8),
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_getStyleObj = function(node) {
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return node.currentStyle || node.style;
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},
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ComputedStyle = {
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CUSTOM_STYLES: {},
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get: function(el, property) {
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var value = '',
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current;
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if (el) {
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current = _getStyleObj(el)[property];
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if (property === OPACITY && Y.DOM.CUSTOM_STYLES[OPACITY]) {
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value = Y.DOM.CUSTOM_STYLES[OPACITY].get(el);
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} else if (!current || (current.indexOf && current.indexOf(PX) > -1)) { // no need to convert
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value = current;
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} else if (Y.DOM.IE.COMPUTED[property]) { // use compute function
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value = Y.DOM.IE.COMPUTED[property](el, property);
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} else if (re_unit.test(current)) { // convert to pixel
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value = ComputedStyle.getPixel(el, property) + PX;
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} else {
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value = current;
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}
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}
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return value;
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},
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sizeOffsets: {
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width: ['Left', 'Right'],
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height: ['Top', 'Bottom'],
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top: ['Top'],
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bottom: ['Bottom']
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},
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getOffset: function(el, prop) {
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var current = _getStyleObj(el)[prop], // value of "width", "top", etc.
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capped = prop.charAt(0).toUpperCase() + prop.substr(1), // "Width", "Top", etc.
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pixel = 'pixel' + capped, // "pixelWidth", "pixelTop", etc.
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sizeOffsets = ComputedStyle.sizeOffsets[prop],
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mode = el.ownerDocument.compatMode,
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value = '';
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// IE pixelWidth incorrect for percent
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// manually compute by subtracting padding and border from offset size
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// NOTE: clientWidth/Height (size minus border) is 0 when current === AUTO so offsetHeight is used
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// reverting to auto from auto causes position stacking issues (old impl)
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if (current === AUTO || current.indexOf('%') > -1) {
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value = el['offset' + capped];
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if (mode !== 'BackCompat') {
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if (sizeOffsets[0]) {
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value -= ComputedStyle.getPixel(el, 'padding' + sizeOffsets[0]);
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value -= ComputedStyle.getBorderWidth(el, 'border' + sizeOffsets[0] + 'Width', 1);
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}
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if (sizeOffsets[1]) {
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value -= ComputedStyle.getPixel(el, 'padding' + sizeOffsets[1]);
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value -= ComputedStyle.getBorderWidth(el, 'border' + sizeOffsets[1] + 'Width', 1);
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}
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}
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} else { // use style.pixelWidth, etc. to convert to pixels
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// need to map style.width to currentStyle (no currentStyle.pixelWidth)
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if (!el.style[pixel] && !el.style[prop]) {
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el.style[prop] = current;
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}
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value = el.style[pixel];
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}
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return value + PX;
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},
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borderMap: {
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thin: (isIE8) ? '1px' : '2px',
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medium: (isIE8) ? '3px': '4px',
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thick: (isIE8) ? '5px' : '6px'
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},
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getBorderWidth: function(el, property, omitUnit) {
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var current = el.currentStyle[property];
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if (current.indexOf(PX) < 0) { // look up keywords if a border exists
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if (ComputedStyle.borderMap[current] &&
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el.currentStyle.borderStyle !== 'none') {
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current = ComputedStyle.borderMap[current];
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} else { // otherwise no border (default is "medium")
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current = 0;
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}
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}
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return (omitUnit) ? parseFloat(current) : current;
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},
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getPixel: function(node, att) {
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// use pixelRight to convert to px
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var val = null,
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style = _getStyleObj(node),
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styleRight = style.right,
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current = style[att];
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node.style.right = current;
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val = node.style.pixelRight;
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node.style.right = styleRight; // revert
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return val;
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},
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getMargin: function(node, att) {
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var val,
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style = _getStyleObj(node);
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if (style[att] === AUTO) {
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val = 0;
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} else {
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val = ComputedStyle.getPixel(node, att);
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}
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return val + PX;
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},
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getVisibility: function(node, att) {
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var current;
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while ( (current = node.currentStyle) && current[att] === 'inherit') { // NOTE: assignment in test
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node = node.parentNode;
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}
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return (current) ? current[att] : VISIBLE;
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},
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getColor: function(node, att) {
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var current = _getStyleObj(node)[att];
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if (!current || current === TRANSPARENT) {
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Y.DOM.elementByAxis(node, 'parentNode', null, function(parent) {
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current = _getStyleObj(parent)[att];
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if (current && current !== TRANSPARENT) {
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node = parent;
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return true;
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}
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});
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}
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return Y.Color.toRGB(current);
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},
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getBorderColor: function(node, att) {
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var current = _getStyleObj(node),
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val = current[att] || current.color;
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return Y.Color.toRGB(Y.Color.toHex(val));
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}
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},
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//fontSize: getPixelFont,
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IEComputed = {};
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addFeature('style', 'computedStyle', {
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test: function() {
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return 'getComputedStyle' in Y.config.win;
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}
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});
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addFeature('style', 'opacity', {
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test: function() {
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return 'opacity' in documentElement.style;
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}
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});
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addFeature('style', 'filter', {
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test: function() {
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return 'filters' in documentElement;
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}
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});
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// use alpha filter for IE opacity
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if (!testFeature('style', 'opacity') && testFeature('style', 'filter')) {
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Y.DOM.CUSTOM_STYLES[OPACITY] = {
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get: function(node) {
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var val = 100;
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try { // will error if no DXImageTransform
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val = node[FILTERS]['DXImageTransform.Microsoft.Alpha'][OPACITY];
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} catch(e) {
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try { // make sure its in the document
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val = node[FILTERS]('alpha')[OPACITY];
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} catch(err) {
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Y.log('getStyle: IE opacity filter not found; returning 1', 'warn', 'dom-style');
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}
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}
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return val / 100;
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},
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set: function(node, val, style) {
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var current,
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styleObj = _getStyleObj(node),
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currentFilter = styleObj[FILTER];
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style = style || node.style;
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if (val === '') { // normalize inline style behavior
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current = (OPACITY in styleObj) ? styleObj[OPACITY] : 1; // revert to original opacity
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val = current;
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}
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if (typeof currentFilter === 'string') { // in case not appended
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style[FILTER] = currentFilter.replace(/alpha([^)]*\))/gi, '') +
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((val <= 1) ? 'alpha(' + OPACITY + '=' + val * 100 + ')' : '');
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if (!style[FILTER]) {
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style.removeAttribute(FILTER);
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}
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if (!styleObj[HAS_LAYOUT]) {
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style.zoom = 1; // needs layout
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}
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}
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}
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};
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}
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try {
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Y.config.doc.createElement('div').style.height = '-1px';
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} catch(e) { // IE throws error on invalid style set; trap common cases
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Y.DOM.CUSTOM_STYLES.height = {
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set: function(node, val, style) {
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var floatVal = parseFloat(val);
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if (floatVal >= 0 || val === 'auto' || val === '') {
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style.height = val;
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} else {
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Y.log('invalid style value for height: ' + val, 'warn', 'dom-style');
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}
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}
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};
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Y.DOM.CUSTOM_STYLES.width = {
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set: function(node, val, style) {
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var floatVal = parseFloat(val);
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if (floatVal >= 0 || val === 'auto' || val === '') {
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style.width = val;
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} else {
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Y.log('invalid style value for width: ' + val, 'warn', 'dom-style');
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}
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}
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};
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}
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if (!testFeature('style', 'computedStyle')) {
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// TODO: top, right, bottom, left
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IEComputed[WIDTH] = IEComputed[HEIGHT] = ComputedStyle.getOffset;
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IEComputed.color = IEComputed.backgroundColor = ComputedStyle.getColor;
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IEComputed[BORDER_WIDTH] = IEComputed[BORDER_TOP_WIDTH] = IEComputed[BORDER_RIGHT_WIDTH] =
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IEComputed[BORDER_BOTTOM_WIDTH] = IEComputed[BORDER_LEFT_WIDTH] =
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ComputedStyle.getBorderWidth;
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IEComputed.marginTop = IEComputed.marginRight = IEComputed.marginBottom =
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IEComputed.marginLeft = ComputedStyle.getMargin;
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IEComputed.visibility = ComputedStyle.getVisibility;
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IEComputed.borderColor = IEComputed.borderTopColor =
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IEComputed.borderRightColor = IEComputed.borderBottomColor =
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IEComputed.borderLeftColor = ComputedStyle.getBorderColor;
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Y.DOM[GET_COMPUTED_STYLE] = ComputedStyle.get;
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Y.namespace('DOM.IE');
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Y.DOM.IE.COMPUTED = IEComputed;
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Y.DOM.IE.ComputedStyle = ComputedStyle;
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}
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}, '3.17.2', {"requires": ["dom-style", "color-base"]});
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