--- /dev/null
+/**
+*
+* Copyright 2005 Sabre Airline Solutions
+*
+* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
+* file except in compliance with the License. You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software distributed under the
+* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+* either express or implied. See the License for the specific language governing permissions
+* and limitations under the License.
+**/
+
+
+var Rico = new Object();
+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);
+ },
+
+ /** This is a helper function to change the background
+ * color of <div> that has had Rico rounded corners added.
+ *
+ * It seems we cannot just set the background color for the
+ * outer <div> so each <span> element used to create the
+ * corners must have its background color set individually.
+ *
+ * @param {DOM} theDiv - A child of the outer <div> that was
+ * supplied to the `round` method.
+ *
+ * @param {str} newColor - The new background color to use.
+ */
+ changeColor: function(theDiv, newColor) {
+
+ theDiv.style.backgroundColor = newColor;
+
+ var spanElements = theDiv.parentNode.getElementsByTagName("span");
+
+ for (var currIdx = 0; currIdx < spanElements.length; currIdx++) {
+ spanElements[currIdx].style.backgroundColor = newColor;
+ }
+ },
+
+
+ /** This is a helper function to change the background
+ * opacity of <div> that has had Rico rounded corners added.
+ *
+ * See changeColor (above) for algorithm explanation
+ *
+ * @param {DOM} theDiv A child of the outer <div> that was
+ * supplied to the `round` method.
+ *
+ * @param {int} newOpacity The new opacity to use (0-1).
+ */
+ changeOpacity: function(theDiv, newOpacity) {
+
+ var mozillaOpacity = newOpacity;
+ var ieOpacity = 'alpha(opacity=' + newOpacity * 100 + ')';
+
+ theDiv.style.opacity = mozillaOpacity;
+ theDiv.style.filter = ieOpacity;
+
+ var spanElements = theDiv.parentNode.getElementsByTagName("span");
+
+ for (var currIdx = 0; currIdx < spanElements.length; currIdx++) {
+ spanElements[currIdx].style.opacity = mozillaOpacity;
+ spanElements[currIdx].style.filter = ieOpacity;
+ }
+
+ },
+
+ /** this function takes care of redoing the rico cornering
+ *
+ * you can't just call updateRicoCorners() again and pass it a
+ * new options string. you have to first remove the divs that
+ * rico puts on top and below the content div.
+ *
+ * @param {DOM} theDiv - A child of the outer <div> that was
+ * supplied to the `round` method.
+ *
+ * @param {Array} options - list of options
+ */
+ reRound: function(theDiv, options) {
+
+ var topRico = theDiv.parentNode.childNodes[0];
+ //theDiv would be theDiv.parentNode.childNodes[1]
+ var bottomRico = theDiv.parentNode.childNodes[2];
+
+ theDiv.parentNode.removeChild(topRico);
+ theDiv.parentNode.removeChild(bottomRico);
+
+ this.round(theDiv.parentNode, options);
+ },
+
+ _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; }
+}