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Diffstat (limited to 'misc/openlayers/lib/Rico/Corner.js')
-rw-r--r-- | misc/openlayers/lib/Rico/Corner.js | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/misc/openlayers/lib/Rico/Corner.js b/misc/openlayers/lib/Rico/Corner.js new file mode 100644 index 0000000..e5479e5 --- /dev/null +++ b/misc/openlayers/lib/Rico/Corner.js @@ -0,0 +1,339 @@ +/** + * @requires OpenLayers/Console.js + * @requires Rico/Color.js + */ + + +/* + * This file has been edited substantially from the Rico-released + * version by the OpenLayers development team. + * + * 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. + * + */ + +OpenLayers.Console.warn("OpenLayers.Rico is deprecated"); + +OpenLayers.Rico = OpenLayers.Rico || {}; +OpenLayers.Rico.Corner = { + + round: function(e, options) { + e = OpenLayers.Util.getElement(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 {String} 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 {Object} 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 + }; + OpenLayers.Util.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 = OpenLayers.Rico.Color.createFromHex(c1); cc1.blend(OpenLayers.Rico.Color.createFromHex(c2)); return cc1; }, + _background: function(el) { try { return OpenLayers.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; } +}; |