/**
* Cornerz 0.6 - Bullet Proof Corners
* Jonah Fox (jonah@parkerfox.co.uk) 2008
* 
* Usage: $('.myclass').curve(options)
* options is a hash with the following parameters. Bracketed is the default
*   radius (10)
*   borderWidth (read from BorderTopWidth or 0)
*   background ("white"). Note that this is not calculated from the HTML as it is expensive
*   borderColor (read from BorderTopColor)
*   corners ("tl br tr bl"). Specify which borders
*   fixIE ("padding") - attmepts to fix IE by incrementing the property by 1 if the outer width/height is odd.

CHANGELIST from  v0.4

0.5 - Now attempts to fix the odd dimension problem in IE 
0.6 - Added semicolons for packing and fixed a problem with odd border width's in IE

*/

(function($){

  if($.browser.msie && document.namespaces["v"] == null) {
   document.namespaces.add("v", "urn:schemas-microsoft-com:vml", "#default#VML");
  }

  // chicken code
  // if(!document.documentMode || document.documentMode<8) { 
  //   document.createStyleSheet().addRule('v\\:*', "behavior: url (#default#VML);"); 
  // } 
  // if(document.documentMode && document.documentMode>=8) { 
  //     document.writeln('<?import namespace="v" implementation="#default#VML" ?>'); 
  // }

  $.fn.cornerz = function(options){
    
   function cssCorners(elem, corners, r) {
		
		var radius = r + 'px';
		
		$.each(corners.split(' '), function() {
			if(this == 'tl') 
			    elem.css({
					'-moz-border-radius-topleft'		: radius,
					'-webkit-border-top-left-radius'	: radius,
					'border-top-left-radius'			: radius
				});
		    else if(this == 'tr')
			    elem.css({
					'-moz-border-radius-topright'		: radius,
					'-webkit-border-top-right-radius'	: radius,
					'border-top-right-radius'			: radius
				});
		    else if(this == 'bl')
			    elem.css({
					'-moz-border-radius-bottomleft'		: radius,
					'-webkit-border-bottom-left-radius'	: radius,
					'border-bottom-left-radius'			: radius
				});
			else if(this == 'br')
			    elem.css({
					'-moz-border-radius-bottomright'	: radius,
					'-webkit-border-bottom-right-radius': radius,
					'border-bottom-right-radius'		: radius
				});
		});
	}

	function vmlCurve(r,b,c,m,ml,mt, right_fix) {
        var l = m-ml-right_fix;
        var t = m-mt;
        return "<v:arc filled='False' strokeweight='"+b+"px' strokecolor='"+c+"' startangle='0' endangle='361' style=' top:" + t +"px;left: "+ l + "px;width:" + r+ "px; height:" + r+ "px' />";
    };

    function vmlCurve2( r, b, c, m, ml, mt, right_fix ){
        var l = m - ml + (right_fix ? -1 : 0);
        var t = m - mt;

        var arc = $('<v:arc/>').attr({filled: 'False', strokeweight: b, strokecolor:c, startangle: 0, endangle: 361}).css({top: t, left: l, width: r, height: r});
        return arc;
    };

    function vmlCorners2( corners, r, border_width, border_color, bg_color, width){
      var h = $("<div></div>").css({'text-align': 'left'}).attr('id','vml');
      $.each($.trim(corners).split(" "), function(){
        var css     = {};
        var is_top  = !!(this == "tl" || this == "tr");
        var is_left = !!(this == "tl" || this == "bl");
        var mt      = (is_top ? 1 : r+1);
        var ml      = (is_left ? 1 : r);

        css[(is_top ? 'top' : 'bottom')]  = -1 - border_width;
        css[(is_left ? 'left' : 'right')] = -1 - border_width;
        
        var curve  = vmlCurve2( r*3 , r+border_width, bg_color, -r/2, ml, mt, !is_left );
        var group = $('<v:group></v:group>').css({width: 1000, height: 1000, position:'absolute'}).attr('coordsize','1000,1000');
        var mdiv = $('<div></div>').css( $.extend(css,{position: 'absolute', overflow: 'hidden', width: r, height: r}) ).append(
                        (border_width > 0 ? group.append(curve).append( vmlCurve2( r*2 - border_width, border_width, border_color, Math.floor(border_width/2 + 0.5), ml, mt, !is_left)) : group.append(curve) ));
                       //(bw > 0 ? group.append(curve).append( vmlCurve2( r*2-bw, bw, bc, Math.floor(bw/2 + 0.5), ml, mt, !is_left)) : group.append(curve) ));

        h = h.append( mdiv ); 
      });
      
      return h;
    };

    function vmlCorners(corners, r, bw, bc, bg, w) {

      var h ="<div style='text-align:left;' id='vml'>";
      $.each($.trim(corners).split(" "), function() {
        var css,ml=1,mt=1,right_fix=0;
        if(this.charAt(0)=="t") {
          css="top:-"+bw+"px;";
        }
        else {
          css= "bottom:-"+bw+"px;";
          mt=r+1;
        }
        if(this.charAt(1)=="l")
          css+="left:-"+bw+"px;";
        else {
          css +="right:-"+(bw)+"px; "; // odd width gives wrong margin?
           ml=r;
           right_fix = 1;
        }

        h+="<div style='"+css+"; position: absolute; overflow:hidden; width:"+ r +"px; height: " + r + "px;'>";
        h+= "<v:group  style='width:1000px;height:1000px;position:absolute;' coordsize='1000,1000' >";
        h+= vmlCurve(r*3,r+bw,bg, -r/2,ml,mt,right_fix); 
        if(bw>0)
          h+= vmlCurve(r*2-bw,bw,bc, Math.floor(bw/2+0.5),ml,mt,right_fix);
        h+="</v:group>";
        h+= "</div>"; 
      });
      h += "</div>";
      
      return h;
    };

    var settings = {
      corners : "tl tr bl br",
      radius : 10,
      background: "white",
      borderWidth: 0,
      fixIE: true };              
    $.extend(settings, options || {});
    
    var incrementProperty = function(elem, prop, x) {
      var y = parseInt(elem.css(prop), 10) || 0 ;
      elem.css(prop, x+y);
    };
    
    return this.each(function() {
	
	  var $$ = $(this);	
      var r = settings.radius*1.0;
      var bw = (settings.borderWidth || parseInt($$.css("borderTopWidth"), 10) || 0) * 1.0;
      //var bw = 0;
      var bg = settings.background;
      var bc = settings.borderColor;
      bc = bc || ( bw > 0 ? $$.css("borderTopColor") : bg);

      var cs = settings.corners;  

	  //$$.css({ overflow : ' visible'});

	  // Remove old-corners (if exists)
	  $('.cornerz', $$).remove();
	
      if($.browser.msie) { 
        try {
            h = vmlCorners( cs, r, bw, bc, bg, $(this).width() );
            this.insertAdjacentHTML('beforeEnd', h);
        } catch(e){ 
            h = vmlCorners2( cs, r, bw, bc, bg, $(this).width() );     
            $$.append(h);

            // Hack for IE8. VML can't be created on the DOM, so
            // we will be forcing
            $('#vml',$$).get(0).innerHTML = $('#vml',$$).get(0).innerHTML;
        }
      } else { 
		cssCorners($$, cs, r);
	 }
				                  
      if(this.style.position != "absolute")
        this.style.position = "relative";
     
       this.style.zoom = 1; // give it a layout in IE
      
       if($.browser.msie && settings.fixIE) {
          var ow = $$.outerWidth();
          var oh = $$.outerHeight();
          
          if(ow%2 == 1) {
            incrementProperty($$, "padding-right", 1);
            incrementProperty($$, "margin-right", 1);
          }

          if(oh%2 == 1) { 
            incrementProperty($$, "padding-bottom", 1);
            incrementProperty($$, "margin-bottom", 1);
          }
        }
          
      }
      
    );
 
  };
})(jQuery);

/*!
 * jQuery corner plugin: simple corner rounding
 * Examples and documentation at: http://jquery.malsup.com/corner/
 * version 2.11 (15-JUN-2010)
 * Requires jQuery v1.3.2 or later
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * Authors: Dave Methvin and Mike Alsup
 */

/**
 *  corner() takes a single string argument:  $('#myDiv').corner("effect corners width")
 *
 *  effect:  name of the effect to apply, such as round, bevel, notch, bite, etc (default is round). 
 *  corners: one or more of: top, bottom, tr, tl, br, or bl.  (default is all corners)
 *  width:   width of the effect; in the case of rounded corners this is the radius. 
 *           specify this value using the px suffix such as 10px (yes, it must be pixels).
 */
;(function($) { 

var style = document.createElement('div').style,
    moz = style['MozBorderRadius'] !== undefined,
    webkit = style['WebkitBorderRadius'] !== undefined,
    radius = style['borderRadius'] !== undefined || style['BorderRadius'] !== undefined,
    mode = document.documentMode || 0,
    noBottomFold = $.browser.msie && (($.browser.version < 8 && !mode) || mode < 8),

    expr = $.browser.msie && (function() {
        var div = document.createElement('div');
        try { div.style.setExpression('width','0+0'); div.style.removeExpression('width'); }
        catch(e) { return false; }
        return true;
    })();

$.support = $.support || {};
$.support.borderRadius = moz || webkit || radius; // so you can do:  if (!$.support.borderRadius) $('#myDiv').corner();

function sz(el, p) { 
    return parseInt($.css(el,p))||0; 
};
function hex2(s) {
    var s = parseInt(s).toString(16);
    return ( s.length < 2 ) ? '0'+s : s;
};
function gpc(node) {
    while(node) {
        var v = $.css(node,'backgroundColor'), rgb;
        if (v && v != 'transparent' && v != 'rgba(0, 0, 0, 0)') {
            if (v.indexOf('rgb') >= 0) { 
                rgb = v.match(/\d+/g); 
                return '#'+ hex2(rgb[0]) + hex2(rgb[1]) + hex2(rgb[2]);
            }
            return v;
        }
        if (node.nodeName.toLowerCase() == 'html')
            break;
        node = node.parentNode; // keep walking if transparent
    }
    return '#ffffff';
};

function getWidth(fx, i, width) {
    switch(fx) {
    case 'round':  return Math.round(width*(1-Math.cos(Math.asin(i/width))));
    case 'cool':   return Math.round(width*(1+Math.cos(Math.asin(i/width))));
    case 'sharp':  return Math.round(width*(1-Math.cos(Math.acos(i/width))));
    case 'bite':   return Math.round(width*(Math.cos(Math.asin((width-i-1)/width))));
    case 'slide':  return Math.round(width*(Math.atan2(i,width/i)));
    case 'jut':    return Math.round(width*(Math.atan2(width,(width-i-1))));
    case 'curl':   return Math.round(width*(Math.atan(i)));
    case 'tear':   return Math.round(width*(Math.cos(i)));
    case 'wicked': return Math.round(width*(Math.tan(i)));
    case 'long':   return Math.round(width*(Math.sqrt(i)));
    case 'sculpt': return Math.round(width*(Math.log((width-i-1),width)));
    case 'dogfold':
    case 'dog':    return (i&1) ? (i+1) : width;
    case 'dog2':   return (i&2) ? (i+1) : width;
    case 'dog3':   return (i&3) ? (i+1) : width;
    case 'fray':   return (i%2)*width;
    case 'notch':  return width; 
    case 'bevelfold':
    case 'bevel':  return i+1;
    }
};

$.fn.corner = function(options) {
    // in 1.3+ we can fix mistakes with the ready state
    if (this.length == 0) {
        if (!$.isReady && this.selector) {
            var s = this.selector, c = this.context;
            $(function() {
                $(s,c).corner(options);
            });
        }
        return this;
    }

    return this.each(function(index){
        var $this = $(this),
            // meta values override options
            o = [$this.attr($.fn.corner.defaults.metaAttr) || '', options || ''].join(' ').toLowerCase(),
            keep = /keep/.test(o),                       // keep borders?
            cc = ((o.match(/cc:(#[0-9a-f]+)/)||[])[1]),  // corner color
            sc = ((o.match(/sc:(#[0-9a-f]+)/)||[])[1]),  // strip color
            width = parseInt((o.match(/(\d+)px/)||[])[1]) || 10, // corner width
            re = /round|bevelfold|bevel|notch|bite|cool|sharp|slide|jut|curl|tear|fray|wicked|sculpt|long|dog3|dog2|dogfold|dog/,
            fx = ((o.match(re)||['round'])[0]),
            fold = /dogfold|bevelfold/.test(o),
            edges = { T:0, B:1 },
            opts = {
                TL:  /top|tl|left/.test(o),       TR:  /top|tr|right/.test(o),
                BL:  /bottom|bl|left/.test(o),    BR:  /bottom|br|right/.test(o)
            },
            // vars used in func later
            strip, pad, cssHeight, j, bot, d, ds, bw, i, w, e, c, common, $horz;
        
        if ( !opts.TL && !opts.TR && !opts.BL && !opts.BR )
            opts = { TL:1, TR:1, BL:1, BR:1 };
            
        // support native rounding
        if ($.fn.corner.defaults.useNative && fx == 'round' && (radius || moz || webkit) && !cc && !sc) {
            if (opts.TL)
                $this.css(radius ? 'border-top-left-radius' : moz ? '-moz-border-radius-topleft' : '-webkit-border-top-left-radius', width + 'px');
            if (opts.TR)
                $this.css(radius ? 'border-top-right-radius' : moz ? '-moz-border-radius-topright' : '-webkit-border-top-right-radius', width + 'px');
            if (opts.BL)
                $this.css(radius ? 'border-bottom-left-radius' : moz ? '-moz-border-radius-bottomleft' : '-webkit-border-bottom-left-radius', width + 'px');
            if (opts.BR)
                $this.css(radius ? 'border-bottom-right-radius' : moz ? '-moz-border-radius-bottomright' : '-webkit-border-bottom-right-radius', width + 'px');
            return;
        }
            
        strip = document.createElement('div');
        $(strip).css({
            overflow: 'hidden',
            height: '1px',
            minHeight: '1px',
            fontSize: '1px',
            backgroundColor: sc || 'transparent',
            borderStyle: 'solid'
        });
    
        pad = {
            T: parseInt($.css(this,'paddingTop'))||0,     R: parseInt($.css(this,'paddingRight'))||0,
            B: parseInt($.css(this,'paddingBottom'))||0,  L: parseInt($.css(this,'paddingLeft'))||0
        };

        if (typeof this.style.zoom != undefined) this.style.zoom = 1; // force 'hasLayout' in IE
        if (!keep) this.style.border = 'none';
        strip.style.borderColor = cc || gpc(this.parentNode);
        cssHeight = $(this).outerHeight();

        for (j in edges) {
            bot = edges[j];
            // only add stips if needed
            if ((bot && (opts.BL || opts.BR)) || (!bot && (opts.TL || opts.TR))) {
                strip.style.borderStyle = 'none '+(opts[j+'R']?'solid':'none')+' none '+(opts[j+'L']?'solid':'none');
                d = document.createElement('div');
                $(d).addClass('jquery-corner');
                ds = d.style;

                bot ? this.appendChild(d) : this.insertBefore(d, this.firstChild);

                if (bot && cssHeight != 'auto') {
                    if ($.css(this,'position') == 'static')
                        this.style.position = 'relative';
                    ds.position = 'absolute';
                    ds.bottom = ds.left = ds.padding = ds.margin = '0';
                    if (expr)
                        ds.setExpression('width', 'this.parentNode.offsetWidth');
                    else
                        ds.width = '100%';
                }
                else if (!bot && $.browser.msie) {
                    if ($.css(this,'position') == 'static')
                        this.style.position = 'relative';
                    ds.position = 'absolute';
                    ds.top = ds.left = ds.right = ds.padding = ds.margin = '0';
                    
                    // fix ie6 problem when blocked element has a border width
                    if (expr) {
                        bw = sz(this,'borderLeftWidth') + sz(this,'borderRightWidth');
                        ds.setExpression('width', 'this.parentNode.offsetWidth - '+bw+'+ "px"');
                    }
                    else
                        ds.width = '100%';
                }
                else {
                    ds.position = 'relative';
                    ds.margin = !bot ? '-'+pad.T+'px -'+pad.R+'px '+(pad.T-width)+'px -'+pad.L+'px' : 
                                        (pad.B-width)+'px -'+pad.R+'px -'+pad.B+'px -'+pad.L+'px';                
                }

                for (i=0; i < width; i++) {
                    w = Math.max(0,getWidth(fx,i, width));
                    e = strip.cloneNode(false);
                    e.style.borderWidth = '0 '+(opts[j+'R']?w:0)+'px 0 '+(opts[j+'L']?w:0)+'px';
                    bot ? d.appendChild(e) : d.insertBefore(e, d.firstChild);
                }
                
                if (fold && $.support.boxModel) {
                    if (bot && noBottomFold) continue;
                    for (c in opts) {
                        if (!opts[c]) continue;
                        if (bot && (c == 'TL' || c == 'TR')) continue;
                        if (!bot && (c == 'BL' || c == 'BR')) continue;
                        
                        common = { position: 'absolute', border: 'none', margin: 0, padding: 0, overflow: 'hidden', backgroundColor: strip.style.borderColor };
                        $horz = $('<div/>').css(common).css({ width: width + 'px', height: '1px' });
                        switch(c) {
                        case 'TL': $horz.css({ bottom: 0, left: 0 }); break;
                        case 'TR': $horz.css({ bottom: 0, right: 0 }); break;
                        case 'BL': $horz.css({ top: 0, left: 0 }); break;
                        case 'BR': $horz.css({ top: 0, right: 0 }); break;
                        }
                        d.appendChild($horz[0]);
                        
                        var $vert = $('<div/>').css(common).css({ top: 0, bottom: 0, width: '1px', height: width + 'px' });
                        switch(c) {
                        case 'TL': $vert.css({ left: width }); break;
                        case 'TR': $vert.css({ right: width }); break;
                        case 'BL': $vert.css({ left: width }); break;
                        case 'BR': $vert.css({ right: width }); break;
                        }
                        d.appendChild($vert[0]);
                    }
                }
            }
        }
    });
};

$.fn.uncorner = function() { 
    if (radius || moz || webkit)
        this.css(radius ? 'border-radius' : moz ? '-moz-border-radius' : '-webkit-border-radius', 0);
    $('div.jquery-corner', this).remove();
    return this;
};

// expose options
$.fn.corner.defaults = {
    useNative: true, // true if plugin should attempt to use native browser support for border radius rounding
    metaAttr:  'data-corner' // name of meta attribute to use for options
};
    
})(jQuery);