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| //-------------------- ricoCorner.js
Rico.Corner = {
round: function(e, options) {
var e = $(e);
this._setOptions(options);
var color = this.options.color;
if ( this.options.color == "fromElement" )
color = this._background(e);
var bgColor = this.options.bgColor;
if ( this.options.bgColor == "fromParent" )
bgColor = this._background(e.offsetParent);
this._roundCornersImpl(e, color, bgColor);
},
_roundCornersImpl: function(e, color, bgColor) {
if(this.options.border)
this._renderBorder(e,bgColor);
if(this._isTopRounded())
this._roundTopCorners(e,color,bgColor);
if(this._isBottomRounded())
this._roundBottomCorners(e,color,bgColor);
},
_renderBorder: function(el,bgColor) {
var borderValue = "1px solid " + this._borderColor(bgColor);
var borderL = "border-left: " + borderValue;
var borderR = "border-right: " + borderValue;
var style = "style='" + borderL + ";" + borderR + "'";
el.innerHTML = "<div " + style + ">" + el.innerHTML + "</div>"
},
_roundTopCorners: function(el, color, bgColor) {
var corner = this._createCorner(bgColor);
for(var i=0 ; i < this.options.numSlices ; i++ )
corner.appendChild(this._createCornerSlice(color,bgColor,i,"top"));
el.style.paddingTop = 0;
el.insertBefore(corner,el.firstChild);
},
_roundBottomCorners: function(el, color, bgColor) {
var corner = this._createCorner(bgColor);
for(var i=(this.options.numSlices-1) ; i >= 0 ; i-- )
corner.appendChild(this._createCornerSlice(color,bgColor,i,"bottom"));
el.style.paddingBottom = 0;
el.appendChild(corner);
},
_createCorner: function(bgColor) {
var corner = document.createElement("div");
corner.style.backgroundColor = (this._isTransparent() ? "transparent" : bgColor);
return corner;
},
_createCornerSlice: function(color,bgColor, n, position) {
var slice = document.createElement("span");
var inStyle = slice.style;
inStyle.backgroundColor = color;
inStyle.display = "block";
inStyle.height = "1px";
inStyle.overflow = "hidden";
inStyle.fontSize = "1px";
var borderColor = this._borderColor(color,bgColor);
if ( this.options.border && n == 0 ) {
inStyle.borderTopStyle = "solid";
inStyle.borderTopWidth = "1px";
inStyle.borderLeftWidth = "0px";
inStyle.borderRightWidth = "0px";
inStyle.borderBottomWidth = "0px";
inStyle.height = "0px"; // assumes css compliant box model
inStyle.borderColor = borderColor;
}
else if(borderColor) {
inStyle.borderColor = borderColor;
inStyle.borderStyle = "solid";
inStyle.borderWidth = "0px 1px";
}
if ( !this.options.compact && (n == (this.options.numSlices-1)) )
inStyle.height = "2px";
this._setMargin(slice, n, position);
this._setBorder(slice, n, position);
return slice;
},
_setOptions: function(options) {
this.options = {
corners : "all",
color : "fromElement",
bgColor : "fromParent",
blend : true,
border : false,
compact : false
}
Object.extend(this.options, options || {});
this.options.numSlices = this.options.compact ? 2 : 4;
if ( this._isTransparent() )
this.options.blend = false;
},
_whichSideTop: function() {
if ( this._hasString(this.options.corners, "all", "top") )
return "";
if ( this.options.corners.indexOf("tl") >= 0 && this.options.corners.indexOf("tr") >= 0 )
return "";
if (this.options.corners.indexOf("tl") >= 0)
return "left";
else if (this.options.corners.indexOf("tr") >= 0)
return "right";
return "";
},
_whichSideBottom: function() {
if ( this._hasString(this.options.corners, "all", "bottom") )
return "";
if ( this.options.corners.indexOf("bl")>=0 && this.options.corners.indexOf("br")>=0 )
return "";
if(this.options.corners.indexOf("bl") >=0)
return "left";
else if(this.options.corners.indexOf("br")>=0)
return "right";
return "";
},
_borderColor : function(color,bgColor) {
if ( color == "transparent" )
return bgColor;
else if ( this.options.border )
return this.options.border;
else if ( this.options.blend )
return this._blend( bgColor, color );
else
return "";
},
_setMargin: function(el, n, corners) {
var marginSize = this._marginSize(n);
var whichSide = corners == "top" ? this._whichSideTop() : this._whichSideBottom();
if ( whichSide == "left" ) {
el.style.marginLeft = marginSize + "px"; el.style.marginRight = "0px";
}
else if ( whichSide == "right" ) {
el.style.marginRight = marginSize + "px"; el.style.marginLeft = "0px";
}
else {
el.style.marginLeft = marginSize + "px"; el.style.marginRight = marginSize + "px";
}
},
_setBorder: function(el,n,corners) {
var borderSize = this._borderSize(n);
var whichSide = corners == "top" ? this._whichSideTop() : this._whichSideBottom();
if ( whichSide == "left" ) {
el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = "0px";
}
else if ( whichSide == "right" ) {
el.style.borderRightWidth = borderSize + "px"; el.style.borderLeftWidth = "0px";
}
else {
el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = borderSize + "px";
}
if (this.options.border != false)
el.style.borderLeftWidth = borderSize + "px"; el.style.borderRightWidth = borderSize + "px";
},
_marginSize: function(n) {
if ( this._isTransparent() )
return 0;
var marginSizes = [ 5, 3, 2, 1 ];
var blendedMarginSizes = [ 3, 2, 1, 0 ];
var compactMarginSizes = [ 2, 1 ];
var smBlendedMarginSizes = [ 1, 0 ];
if ( this.options.compact && this.options.blend )
return smBlendedMarginSizes[n];
else if ( this.options.compact )
return compactMarginSizes[n];
else if ( this.options.blend )
return blendedMarginSizes[n];
else
return marginSizes[n];
},
_borderSize: function(n) {
var transparentBorderSizes = [ 5, 3, 2, 1 ];
var blendedBorderSizes = [ 2, 1, 1, 1 ];
var compactBorderSizes = [ 1, 0 ];
var actualBorderSizes = [ 0, 2, 0, 0 ];
if ( this.options.compact && (this.options.blend || this._isTransparent()) )
return 1;
else if ( this.options.compact )
return compactBorderSizes[n];
else if ( this.options.blend )
return blendedBorderSizes[n];
else if ( this.options.border )
return actualBorderSizes[n];
else if ( this._isTransparent() )
return transparentBorderSizes[n];
return 0;
},
_hasString: function(str) { for(var i=1 ; i<arguments.length ; i++) if (str.indexOf(arguments[i]) >= 0) return true; return false; },
_blend: function(c1, c2) { var cc1 = Rico.Color.createFromHex(c1); cc1.blend(Rico.Color.createFromHex(c2)); return cc1; },
_background: function(el) { try { return Rico.Color.createColorFromBackground(el).asHex(); } catch(err) { return "#ffffff"; } },
_isTransparent: function() { return this.options.color == "transparent"; },
_isTopRounded: function() { return this._hasString(this.options.corners, "all", "top", "tl", "tr"); },
_isBottomRounded: function() { return this._hasString(this.options.corners, "all", "bottom", "bl", "br"); },
_hasSingleTextChild: function(el) { return el.childNodes.length == 1 && el.childNodes[0].nodeType == 3; }
} |
Rico Rounded Corner
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