249 lines
No EOL
11 KiB
JavaScript
249 lines
No EOL
11 KiB
JavaScript
/*!
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* jQuery corner plugin: simple corner rounding
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* Examples and documentation at: http://jquery.malsup.com/corner/
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* version 2.12 (23-MAY-2011)
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* Requires jQuery v1.3.2 or later
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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* Authors: Dave Methvin and Mike Alsup
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*/
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/**
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* corner() takes a single string argument: $('#myDiv').corner("effect corners width")
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*
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* effect: name of the effect to apply, such as round, bevel, notch, bite, etc (default is round).
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* corners: one or more of: top, bottom, tr, tl, br, or bl. (default is all corners)
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* width: width of the effect; in the case of rounded corners this is the radius.
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* specify this value using the px suffix such as 10px (yes, it must be pixels).
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*/
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;(function($) {
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var style = document.createElement('div').style,
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moz = style['MozBorderRadius'] !== undefined,
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webkit = style['WebkitBorderRadius'] !== undefined,
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radius = style['borderRadius'] !== undefined || style['BorderRadius'] !== undefined,
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mode = document.documentMode || 0,
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noBottomFold = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8),
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expr = $.browser.msie && (function() {
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var div = document.createElement('div');
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try { div.style.setExpression('width','0+0'); div.style.removeExpression('width'); }
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catch(e) { return false; }
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return true;
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})();
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$.support = $.support || {};
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$.support.borderRadius = moz || webkit || radius; // so you can do: if (!$.support.borderRadius) $('#myDiv').corner();
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function sz(el, p) {
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return parseInt($.css(el,p))||0;
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};
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function hex2(s) {
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s = parseInt(s).toString(16);
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return ( s.length < 2 ) ? '0'+s : s;
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};
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function gpc(node) {
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while(node) {
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var v = $.css(node,'backgroundColor'), rgb;
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if (v && v != 'transparent' && v != 'rgba(0, 0, 0, 0)') {
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if (v.indexOf('rgb') >= 0) {
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rgb = v.match(/\d+/g);
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return '#'+ hex2(rgb[0]) + hex2(rgb[1]) + hex2(rgb[2]);
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}
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return v;
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}
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if (node.nodeName.toLowerCase() == 'html')
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break;
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node = node.parentNode; // keep walking if transparent
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}
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return '#ffffff';
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};
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function getWidth(fx, i, width) {
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switch(fx) {
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case 'round': return Math.round(width*(1-Math.cos(Math.asin(i/width))));
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case 'cool': return Math.round(width*(1+Math.cos(Math.asin(i/width))));
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case 'sharp': return width-i;
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case 'bite': return Math.round(width*(Math.cos(Math.asin((width-i-1)/width))));
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case 'slide': return Math.round(width*(Math.atan2(i,width/i)));
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case 'jut': return Math.round(width*(Math.atan2(width,(width-i-1))));
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case 'curl': return Math.round(width*(Math.atan(i)));
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case 'tear': return Math.round(width*(Math.cos(i)));
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case 'wicked': return Math.round(width*(Math.tan(i)));
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case 'long': return Math.round(width*(Math.sqrt(i)));
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case 'sculpt': return Math.round(width*(Math.log((width-i-1),width)));
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case 'dogfold':
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case 'dog': return (i&1) ? (i+1) : width;
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case 'dog2': return (i&2) ? (i+1) : width;
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case 'dog3': return (i&3) ? (i+1) : width;
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case 'fray': return (i%2)*width;
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case 'notch': return width;
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case 'bevelfold':
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case 'bevel': return i+1;
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case 'steep': return i/2 + 1;
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case 'invsteep':return (width-i)/2+1;
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}
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};
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$.fn.corner = function(options) {
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// in 1.3+ we can fix mistakes with the ready state
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if (this.length == 0) {
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if (!$.isReady && this.selector) {
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var s = this.selector, c = this.context;
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$(function() {
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$(s,c).corner(options);
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});
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}
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return this;
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}
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return this.each(function(index){
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var $this = $(this),
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// meta values override options
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o = [$this.attr($.fn.corner.defaults.metaAttr) || '', options || ''].join(' ').toLowerCase(),
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keep = /keep/.test(o), // keep borders?
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cc = ((o.match(/cc:(#[0-9a-f]+)/)||[])[1]), // corner color
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sc = ((o.match(/sc:(#[0-9a-f]+)/)||[])[1]), // strip color
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width = parseInt((o.match(/(\d+)px/)||[])[1]) || 10, // corner width
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re = /round|bevelfold|bevel|notch|bite|cool|sharp|slide|jut|curl|tear|fray|wicked|sculpt|long|dog3|dog2|dogfold|dog|invsteep|steep/,
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fx = ((o.match(re)||['round'])[0]),
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fold = /dogfold|bevelfold/.test(o),
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edges = { T:0, B:1 },
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opts = {
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TL: /top|tl|left/.test(o), TR: /top|tr|right/.test(o),
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BL: /bottom|bl|left/.test(o), BR: /bottom|br|right/.test(o)
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},
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// vars used in func later
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strip, pad, cssHeight, j, bot, d, ds, bw, i, w, e, c, common, $horz;
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if ( !opts.TL && !opts.TR && !opts.BL && !opts.BR )
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opts = { TL:1, TR:1, BL:1, BR:1 };
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// support native rounding
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if ($.fn.corner.defaults.useNative && fx == 'round' && (radius || moz || webkit) && !cc && !sc) {
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if (opts.TL)
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$this.css(radius ? 'border-top-left-radius' : moz ? '-moz-border-radius-topleft' : '-webkit-border-top-left-radius', width + 'px');
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if (opts.TR)
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$this.css(radius ? 'border-top-right-radius' : moz ? '-moz-border-radius-topright' : '-webkit-border-top-right-radius', width + 'px');
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if (opts.BL)
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$this.css(radius ? 'border-bottom-left-radius' : moz ? '-moz-border-radius-bottomleft' : '-webkit-border-bottom-left-radius', width + 'px');
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if (opts.BR)
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$this.css(radius ? 'border-bottom-right-radius' : moz ? '-moz-border-radius-bottomright' : '-webkit-border-bottom-right-radius', width + 'px');
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return;
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}
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strip = document.createElement('div');
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$(strip).css({
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overflow: 'hidden',
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height: '1px',
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minHeight: '1px',
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fontSize: '1px',
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backgroundColor: sc || 'transparent',
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borderStyle: 'solid'
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});
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pad = {
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T: parseInt($.css(this,'paddingTop'))||0, R: parseInt($.css(this,'paddingRight'))||0,
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B: parseInt($.css(this,'paddingBottom'))||0, L: parseInt($.css(this,'paddingLeft'))||0
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};
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if (typeof this.style.zoom != undefined) this.style.zoom = 1; // force 'hasLayout' in IE
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if (!keep) this.style.border = 'none';
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strip.style.borderColor = cc || gpc(this.parentNode);
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cssHeight = $(this).outerHeight();
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for (j in edges) {
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bot = edges[j];
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// only add stips if needed
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if ((bot && (opts.BL || opts.BR)) || (!bot && (opts.TL || opts.TR))) {
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strip.style.borderStyle = 'none '+(opts[j+'R']?'solid':'none')+' none '+(opts[j+'L']?'solid':'none');
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d = document.createElement('div');
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$(d).addClass('jquery-corner');
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ds = d.style;
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bot ? this.appendChild(d) : this.insertBefore(d, this.firstChild);
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if (bot && cssHeight != 'auto') {
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if ($.css(this,'position') == 'static')
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this.style.position = 'relative';
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ds.position = 'absolute';
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ds.bottom = ds.left = ds.padding = ds.margin = '0';
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if (expr)
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ds.setExpression('width', 'this.parentNode.offsetWidth');
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else
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ds.width = '100%';
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}
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else if (!bot && $.browser.msie) {
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if ($.css(this,'position') == 'static')
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this.style.position = 'relative';
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ds.position = 'absolute';
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ds.top = ds.left = ds.right = ds.padding = ds.margin = '0';
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// fix ie6 problem when blocked element has a border width
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if (expr) {
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bw = sz(this,'borderLeftWidth') + sz(this,'borderRightWidth');
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ds.setExpression('width', 'this.parentNode.offsetWidth - '+bw+'+ "px"');
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}
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else
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ds.width = '100%';
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}
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else {
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ds.position = 'relative';
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ds.margin = !bot ? '-'+pad.T+'px -'+pad.R+'px '+(pad.T-width)+'px -'+pad.L+'px' :
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(pad.B-width)+'px -'+pad.R+'px -'+pad.B+'px -'+pad.L+'px';
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}
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for (i=0; i < width; i++) {
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w = Math.max(0,getWidth(fx,i, width));
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e = strip.cloneNode(false);
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e.style.borderWidth = '0 '+(opts[j+'R']?w:0)+'px 0 '+(opts[j+'L']?w:0)+'px';
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bot ? d.appendChild(e) : d.insertBefore(e, d.firstChild);
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}
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if (fold && $.support.boxModel) {
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if (bot && noBottomFold) continue;
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for (c in opts) {
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if (!opts[c]) continue;
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if (bot && (c == 'TL' || c == 'TR')) continue;
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if (!bot && (c == 'BL' || c == 'BR')) continue;
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common = { position: 'absolute', border: 'none', margin: 0, padding: 0, overflow: 'hidden', backgroundColor: strip.style.borderColor };
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$horz = $('<div/>').css(common).css({ width: width + 'px', height: '1px' });
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switch(c) {
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case 'TL': $horz.css({ bottom: 0, left: 0 }); break;
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case 'TR': $horz.css({ bottom: 0, right: 0 }); break;
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case 'BL': $horz.css({ top: 0, left: 0 }); break;
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case 'BR': $horz.css({ top: 0, right: 0 }); break;
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}
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d.appendChild($horz[0]);
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var $vert = $('<div/>').css(common).css({ top: 0, bottom: 0, width: '1px', height: width + 'px' });
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switch(c) {
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case 'TL': $vert.css({ left: width }); break;
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case 'TR': $vert.css({ right: width }); break;
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case 'BL': $vert.css({ left: width }); break;
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case 'BR': $vert.css({ right: width }); break;
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}
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d.appendChild($vert[0]);
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}
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}
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}
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}
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});
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};
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$.fn.uncorner = function() {
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if (radius || moz || webkit)
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this.css(radius ? 'border-radius' : moz ? '-moz-border-radius' : '-webkit-border-radius', 0);
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$('div.jquery-corner', this).remove();
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return this;
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};
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// expose options
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$.fn.corner.defaults = {
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useNative: true, // true if plugin should attempt to use native browser support for border radius rounding
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metaAttr: 'data-corner' // name of meta attribute to use for options
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};
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})(jQuery); |