diff options
author | xue <> | 2005-12-05 01:00:16 +0000 |
---|---|---|
committer | xue <> | 2005-12-05 01:00:16 +0000 |
commit | ccf76e430b7703db028966a845a966f50956f490 (patch) | |
tree | 9762b746f8b7d432dbe5e5cb8f38f90007e0e1b5 /framework/Web/Javascripts/effects/util.js | |
parent | 418baf36d477bcbdd6fb4eaf4037ea6a2d93f21c (diff) |
Diffstat (limited to 'framework/Web/Javascripts/effects/util.js')
-rw-r--r-- | framework/Web/Javascripts/effects/util.js | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/framework/Web/Javascripts/effects/util.js b/framework/Web/Javascripts/effects/util.js new file mode 100644 index 00000000..b4a31a97 --- /dev/null +++ b/framework/Web/Javascripts/effects/util.js @@ -0,0 +1,548 @@ +// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//
+// See scriptaculous.js for full license.
+
+
+Object.debug = function(obj) {
+ var info = [];
+
+ if(typeof obj in ["string","number"]) {
+ return obj;
+ } else {
+ for(property in obj)
+ if(typeof obj[property]!="function")
+ info.push(property + ' => ' +
+ (typeof obj[property] == "string" ?
+ '"' + obj[property] + '"' :
+ obj[property]));
+ }
+
+ return ("'" + obj + "' #" + typeof obj +
+ ": {" + info.join(", ") + "}");
+}
+
+
+String.prototype.toArray = function() {
+ var results = [];
+ for (var i = 0; i < this.length; i++)
+ results.push(this.charAt(i));
+ return results;
+}
+
+/*--------------------------------------------------------------------------*/
+
+var Builder = {
+ NODEMAP: {
+ AREA: 'map',
+ CAPTION: 'table',
+ COL: 'table',
+ COLGROUP: 'table',
+ LEGEND: 'fieldset',
+ OPTGROUP: 'select',
+ OPTION: 'select',
+ PARAM: 'object',
+ TBODY: 'table',
+ TD: 'table',
+ TFOOT: 'table',
+ TH: 'table',
+ THEAD: 'table',
+ TR: 'table'
+ },
+ // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
+ // due to a Firefox bug
+ node: function(elementName) {
+ elementName = elementName.toUpperCase();
+
+ // try innerHTML approach
+ var parentTag = this.NODEMAP[elementName] || 'div';
+ var parentElement = document.createElement(parentTag);
+ parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
+ var element = parentElement.firstChild || null;
+
+ // see if browser added wrapping tags
+ if(element && (element.tagName != elementName))
+ element = element.getElementsByTagName(elementName)[0];
+
+ // fallback to createElement approach
+ if(!element) element = document.createElement(elementName);
+
+ // abort if nothing could be created
+ if(!element) return;
+
+ // attributes (or text)
+ if(arguments[1])
+ if(this._isStringOrNumber(arguments[1]) ||
+ (arguments[1] instanceof Array)) {
+ this._children(element, arguments[1]);
+ } else {
+ var attrs = this._attributes(arguments[1]);
+ if(attrs.length) {
+ parentElement.innerHTML = "<" +elementName + " " +
+ attrs + "></" + elementName + ">";
+ element = parentElement.firstChild || null;
+ // workaround firefox 1.0.X bug
+ if(!element) {
+ element = document.createElement(elementName);
+ for(attr in arguments[1])
+ element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
+ }
+ if(element.tagName != elementName)
+ element = parentElement.getElementsByTagName(elementName)[0];
+ }
+ }
+
+ // text, or array of children
+ if(arguments[2])
+ this._children(element, arguments[2]);
+
+ return element;
+ },
+ _text: function(text) {
+ return document.createTextNode(text);
+ },
+ _attributes: function(attributes) {
+ var attrs = [];
+ for(attribute in attributes)
+ attrs.push((attribute=='className' ? 'class' : attribute) +
+ '="' + attributes[attribute].toString().escapeHTML() + '"');
+ return attrs.join(" ");
+ },
+ _children: function(element, children) {
+ if(typeof children=='object') { // array can hold nodes and text
+ children.flatten().each( function(e) {
+ if(typeof e=='object')
+ element.appendChild(e)
+ else
+ if(Builder._isStringOrNumber(e))
+ element.appendChild(Builder._text(e));
+ });
+ } else
+ if(Builder._isStringOrNumber(children))
+ element.appendChild(Builder._text(children));
+ },
+ _isStringOrNumber: function(param) {
+ return(typeof param=='string' || typeof param=='number');
+ }
+}
+
+/* ------------- element ext -------------- */
+
+// adapted from http://dhtmlkitchen.com/learn/js/setstyle/index4.jsp
+// note: Safari return null on elements with display:none; see http://bugzilla.opendarwin.org/show_bug.cgi?id=4125
+// instead of "auto" values returns null so it's easier to use with || constructs
+
+String.prototype.camelize = function() {
+ var oStringList = this.split('-');
+ if(oStringList.length == 1)
+ return oStringList[0];
+ var ret = this.indexOf("-") == 0 ?
+ oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) : oStringList[0];
+ for(var i = 1, len = oStringList.length; i < len; i++){
+ var s = oStringList[i];
+ ret += s.charAt(0).toUpperCase() + s.substring(1)
+ }
+ return ret;
+}
+
+Element.getStyle = function(element, style) {
+ element = $(element);
+ var value = element.style[style.camelize()];
+ if(!value)
+ if(document.defaultView && document.defaultView.getComputedStyle) {
+ var css = document.defaultView.getComputedStyle(element, null);
+ value = (css!=null) ? css.getPropertyValue(style) : null;
+ } else if(element.currentStyle) {
+ value = element.currentStyle[style.camelize()];
+ }
+
+ // If top, left, bottom, or right values have been queried, return "auto" for consistency resaons
+ // if position is "static", as Opera (and others?) returns the pixel values relative to root element
+ // (or positioning context?)
+ if (window.opera && (style == "left" || style == "top" || style == "right" || style == "bottom"))
+ if (Element.getStyle(element, "position") == "static") value = "auto";
+
+ if(value=='auto') value = null;
+ return value;
+}
+
+// converts rgb() and #xxx to #xxxxxx format,
+// returns self (or first argument) if not convertable
+String.prototype.parseColor = function() {
+ color = "#";
+ if(this.slice(0,4) == "rgb(") {
+ var cols = this.slice(4,this.length-1).split(',');
+ var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
+ } else {
+ if(this.slice(0,1) == '#') {
+ if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
+ if(this.length==7) color = this.toLowerCase();
+ }
+ }
+ return(color.length==7 ? color : (arguments[0] || this));
+}
+
+Element.makePositioned = function(element) {
+ element = $(element);
+ var pos = Element.getStyle(element, 'position');
+ if(pos =='static' || !pos) {
+ element._madePositioned = true;
+ element.style.position = "relative";
+ // Opera returns the offset relative to the positioning context, when an element is position relative
+ // but top and left have not been defined
+ if (window.opera){
+ element.style.top = 0;
+ element.style.left = 0;
+ }
+ }
+}
+
+Element.undoPositioned = function(element) {
+ element = $(element);
+ if(typeof element._madePositioned != "undefined"){
+ element._madePositioned = undefined;
+ element.style.position = "";
+ element.style.top = "";
+ element.style.left = "";
+ element.style.bottom = "";
+ element.style.right = "";
+ }
+}
+
+Element.makeClipping = function(element) {
+ element = $(element);
+ if (typeof element._overflow != 'undefined') return;
+ element._overflow = element.style.overflow;
+ if((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') element.style.overflow = 'hidden';
+}
+
+Element.undoClipping = function(element) {
+ element = $(element);
+ if (typeof element._overflow == 'undefined') return;
+ element.style.overflow = element._overflow;
+ element._overflow = undefined;
+}
+
+Element.collectTextNodesIgnoreClass = function(element, ignoreclass) {
+ var children = $(element).childNodes;
+ var text = "";
+ var classtest = new RegExp("^([^ ]+ )*" + ignoreclass+ "( [^ ]+)*$","i");
+
+ for (var i = 0; i < children.length; i++) {
+ if(children[i].nodeType==3) {
+ text+=children[i].nodeValue;
+ } else {
+ if((!children[i].className.match(classtest)) && children[i].hasChildNodes())
+ text += Element.collectTextNodesIgnoreClass(children[i], ignoreclass);
+ }
+ }
+
+ return text;
+}
+
+Element.setContentZoom = function(element, percent) {
+ element = $(element);
+ element.style.fontSize = (percent/100) + "em";
+ if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+}
+
+Element.getOpacity = function(element){
+ var opacity;
+ if (opacity = Element.getStyle(element, "opacity"))
+ return parseFloat(opacity);
+ if (opacity = (Element.getStyle(element, "filter") || '').match(/alpha\(opacity=(.*)\)/))
+ if(opacity[1]) return parseFloat(opacity[1]) / 100;
+ return 1.0;
+}
+
+Element.setOpacity = function(element, value){
+ element= $(element);
+ var els = element.style;
+ if (value == 1){
+ els.opacity = '0.999999';
+ if(/MSIE/.test(navigator.userAgent))
+ els.filter = Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'');
+ } else {
+ if(value < 0.00001) value = 0;
+ els.opacity = value;
+ if(/MSIE/.test(navigator.userAgent))
+ els.filter = Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
+ "alpha(opacity="+value*100+")";
+ }
+}
+
+Element.getInlineOpacity = function(element){
+ element= $(element);
+ var op;
+ op = element.style.opacity;
+ if (typeof op != "undefined" && op != "") return op;
+ return "";
+}
+
+Element.setInlineOpacity = function(element, value){
+ element= $(element);
+ var els = element.style;
+ els.opacity = value;
+}
+
+Element.getDimensions = function(element){
+ element = $(element);
+ // All *Width and *Height properties give 0 on elements with display "none",
+ // so enable the element temporarily
+ if (Element.getStyle(element,'display') == "none"){
+ var els = element.style;
+ var originalVisibility = els.visibility;
+ var originalPosition = els.position;
+ els.visibility = "hidden";
+ els.position = "absolute";
+ els.display = "";
+ var originalWidth = element.clientWidth;
+ var originalHeight = element.clientHeight;
+ els.display = "none";
+ els.position = originalPosition;
+ els.visibility = originalVisibility;
+ return {width: originalWidth, height: originalHeight};
+ }
+
+ return {width: element.offsetWidth, height: element.offsetHeight};
+}
+
+/*--------------------------------------------------------------------------*/
+
+Position.positionedOffset = function(element) {
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+ element = element.offsetParent;
+ if (element) {
+ p = Element.getStyle(element,'position');
+ if(p == 'relative' || p == 'absolute') break;
+ }
+ } while (element);
+ return [valueL, valueT];
+}
+
+// Safari returns margins on body which is incorrect if the child is absolutely positioned.
+// for performance reasons, we create a specialized version of Position.cumulativeOffset for
+// KHTML/WebKit only
+
+if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
+ Position.cumulativeOffset = function(element) {
+ var valueT = 0, valueL = 0;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+
+ if (element.offsetParent==document.body)
+ if (Element.getStyle(element,'position')=='absolute') break;
+
+ element = element.offsetParent;
+ } while (element);
+ return [valueL, valueT];
+ }
+}
+
+Position.page = function(forElement) {
+ var valueT = 0, valueL = 0;
+
+ var element = forElement;
+ do {
+ valueT += element.offsetTop || 0;
+ valueL += element.offsetLeft || 0;
+
+ // Safari fix
+ if (element.offsetParent==document.body)
+ if (Element.getStyle(element,'position')=='absolute') break;
+
+ } while (element = element.offsetParent);
+
+ element = forElement;
+ do {
+ valueT -= element.scrollTop || 0;
+ valueL -= element.scrollLeft || 0;
+ } while (element = element.parentNode);
+
+ return [valueL, valueT];
+}
+
+// elements with display:none don't return an offsetParent,
+// fall back to manual calculation
+Position.offsetParent = function(element) {
+ if(element.offsetParent) return element.offsetParent;
+ if(element == document.body) return element;
+
+ while ((element = element.parentNode) && element != document.body)
+ if (Element.getStyle(element,'position')!='static')
+ return element;
+
+ return document.body;
+}
+
+Position.clone = function(source, target) {
+ var options = Object.extend({
+ setLeft: true,
+ setTop: true,
+ setWidth: true,
+ setHeight: true,
+ offsetTop: 0,
+ offsetLeft: 0
+ }, arguments[2] || {})
+
+ // find page position of source
+ source = $(source);
+ var p = Position.page(source);
+
+ // find coordinate system to use
+ target = $(target);
+ var delta = [0, 0];
+ var parent = null;
+ // delta [0,0] will do fine with position: fixed elements,
+ // position:absolute needs offsetParent deltas
+ if (Element.getStyle(target,'position') == 'absolute') {
+ parent = Position.offsetParent(target);
+ delta = Position.page(parent);
+ }
+
+ // correct by body offsets (fixes Safari)
+ if (parent==document.body) {
+ delta[0] -= document.body.offsetLeft;
+ delta[1] -= document.body.offsetTop;
+ }
+
+ // set position
+ if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + "px";
+ if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + "px";
+ if(options.setWidth) target.style.width = source.offsetWidth + "px";
+ if(options.setHeight) target.style.height = source.offsetHeight + "px";
+}
+
+Position.absolutize = function(element) {
+ element = $(element);
+ if(element.style.position=='absolute') return;
+ Position.prepare();
+
+ var offsets = Position.positionedOffset(element);
+ var top = offsets[1];
+ var left = offsets[0];
+ var width = element.clientWidth;
+ var height = element.clientHeight;
+
+ element._originalLeft = left - parseFloat(element.style.left || 0);
+ element._originalTop = top - parseFloat(element.style.top || 0);
+ element._originalWidth = element.style.width;
+ element._originalHeight = element.style.height;
+
+ element.style.position = 'absolute';
+ element.style.top = top + 'px';;
+ element.style.left = left + 'px';;
+ element.style.width = width + 'px';;
+ element.style.height = height + 'px';;
+}
+
+Position.relativize = function(element) {
+ element = $(element);
+ if(element.style.position=='relative') return;
+ Position.prepare();
+
+ element.style.position = 'relative';
+ var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
+ var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
+
+ element.style.top = top + 'px';
+ element.style.left = left + 'px';
+ element.style.height = element._originalHeight;
+ element.style.width = element._originalWidth;
+}
+
+/*--------------------------------------------------------------------------*/
+
+Element.Class = {
+ // Element.toggleClass(element, className) toggles the class being on/off
+ // Element.toggleClass(element, className1, className2) toggles between both classes,
+ // defaulting to className1 if neither exist
+ toggle: function(element, className) {
+ if(Element.Class.has(element, className)) {
+ Element.Class.remove(element, className);
+ if(arguments.length == 3) Element.Class.add(element, arguments[2]);
+ } else {
+ Element.Class.add(element, className);
+ if(arguments.length == 3) Element.Class.remove(element, arguments[2]);
+ }
+ },
+
+ // gets space-delimited classnames of an element as an array
+ get: function(element) {
+ return $(element).className.split(' ');
+ },
+
+ // functions adapted from original functions by Gavin Kistner
+ remove: function(element) {
+ element = $(element);
+ var removeClasses = arguments;
+ $R(1,arguments.length-1).each( function(index) {
+ element.className =
+ element.className.split(' ').reject(
+ function(klass) { return (klass == removeClasses[index]) } ).join(' ');
+ });
+ },
+
+ add: function(element) {
+ element = $(element);
+ for(var i = 1; i < arguments.length; i++) {
+ Element.Class.remove(element, arguments[i]);
+ element.className += (element.className.length > 0 ? ' ' : '') + arguments[i];
+ }
+ },
+
+ // returns true if all given classes exist in said element
+ has: function(element) {
+ element = $(element);
+ if(!element || !element.className) return false;
+ var regEx;
+ for(var i = 1; i < arguments.length; i++) {
+ if((typeof arguments[i] == 'object') &&
+ (arguments[i].constructor == Array)) {
+ for(var j = 0; j < arguments[i].length; j++) {
+ regEx = new RegExp("(^|\\s)" + arguments[i][j] + "(\\s|$)");
+ if(!regEx.test(element.className)) return false;
+ }
+ } else {
+ regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)");
+ if(!regEx.test(element.className)) return false;
+ }
+ }
+ return true;
+ },
+
+ // expects arrays of strings and/or strings as optional paramters
+ // Element.Class.has_any(element, ['classA','classB','classC'], 'classD')
+ has_any: function(element) {
+ element = $(element);
+ if(!element || !element.className) return false;
+ var regEx;
+ for(var i = 1; i < arguments.length; i++) {
+ if((typeof arguments[i] == 'object') &&
+ (arguments[i].constructor == Array)) {
+ for(var j = 0; j < arguments[i].length; j++) {
+ regEx = new RegExp("(^|\\s)" + arguments[i][j] + "(\\s|$)");
+ if(regEx.test(element.className)) return true;
+ }
+ } else {
+ regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)");
+ if(regEx.test(element.className)) return true;
+ }
+ }
+ return false;
+ },
+
+ childrenWith: function(element, className) {
+ var children = $(element).getElementsByTagName('*');
+ var elements = new Array();
+
+ for (var i = 0; i < children.length; i++)
+ if (Element.Class.has(children[i], className))
+ elements.push(children[i]);
+
+ return elements;
+ }
+}
\ No newline at end of file |