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/*
Copyright (c) 2004-2006, The Dojo Foundation
All Rights Reserved.
Licensed under the Academic Free License version 2.1 or above OR the
modified BSD license. For more information on Dojo licensing, see:
http://dojotoolkit.org/community/licensing.shtml
*/
dojo.provide("dojo.html.style");
dojo.require("dojo.html.common");
dojo.require("dojo.uri.Uri");
dojo.html.getClass = function (node) {
node = dojo.byId(node);
if (!node) {
return "";
}
var cs = "";
if (node.className) {
cs = node.className;
} else {
if (dojo.html.hasAttribute(node, "class")) {
cs = dojo.html.getAttribute(node, "class");
}
}
return cs.replace(/^\s+|\s+$/g, "");
};
dojo.html.getClasses = function (node) {
var c = dojo.html.getClass(node);
return (c == "") ? [] : c.split(/\s+/g);
};
dojo.html.hasClass = function (node, classname) {
return (new RegExp("(^|\\s+)" + classname + "(\\s+|$)")).test(dojo.html.getClass(node));
};
dojo.html.prependClass = function (node, classStr) {
classStr += " " + dojo.html.getClass(node);
return dojo.html.setClass(node, classStr);
};
dojo.html.addClass = function (node, classStr) {
if (dojo.html.hasClass(node, classStr)) {
return false;
}
classStr = (dojo.html.getClass(node) + " " + classStr).replace(/^\s+|\s+$/g, "");
return dojo.html.setClass(node, classStr);
};
dojo.html.setClass = function (node, classStr) {
node = dojo.byId(node);
var cs = new String(classStr);
try {
if (typeof node.className == "string") {
node.className = cs;
} else {
if (node.setAttribute) {
node.setAttribute("class", classStr);
node.className = cs;
} else {
return false;
}
}
}
catch (e) {
dojo.debug("dojo.html.setClass() failed", e);
}
return true;
};
dojo.html.removeClass = function (node, classStr, allowPartialMatches) {
try {
if (!allowPartialMatches) {
var newcs = dojo.html.getClass(node).replace(new RegExp("(^|\\s+)" + classStr + "(\\s+|$)"), "$1$2");
} else {
var newcs = dojo.html.getClass(node).replace(classStr, "");
}
dojo.html.setClass(node, newcs);
}
catch (e) {
dojo.debug("dojo.html.removeClass() failed", e);
}
return true;
};
dojo.html.replaceClass = function (node, newClass, oldClass) {
dojo.html.removeClass(node, oldClass);
dojo.html.addClass(node, newClass);
};
dojo.html.classMatchType = {ContainsAll:0, ContainsAny:1, IsOnly:2};
dojo.html.getElementsByClass = function (classStr, parent, nodeType, classMatchType, useNonXpath) {
useNonXpath = false;
var _document = dojo.doc();
parent = dojo.byId(parent) || _document;
var classes = classStr.split(/\s+/g);
var nodes = [];
if (classMatchType != 1 && classMatchType != 2) {
classMatchType = 0;
}
var reClass = new RegExp("(\\s|^)((" + classes.join(")|(") + "))(\\s|$)");
var srtLength = classes.join(" ").length;
var candidateNodes = [];
if (!useNonXpath && _document.evaluate) {
var xpath = ".//" + (nodeType || "*") + "[contains(";
if (classMatchType != dojo.html.classMatchType.ContainsAny) {
xpath += "concat(' ',@class,' '), ' " + classes.join(" ') and contains(concat(' ',@class,' '), ' ") + " ')";
if (classMatchType == 2) {
xpath += " and string-length(@class)=" + srtLength + "]";
} else {
xpath += "]";
}
} else {
xpath += "concat(' ',@class,' '), ' " + classes.join(" ') or contains(concat(' ',@class,' '), ' ") + " ')]";
}
var xpathResult = _document.evaluate(xpath, parent, null, XPathResult.ANY_TYPE, null);
var result = xpathResult.iterateNext();
while (result) {
try {
candidateNodes.push(result);
result = xpathResult.iterateNext();
}
catch (e) {
break;
}
}
return candidateNodes;
} else {
if (!nodeType) {
nodeType = "*";
}
candidateNodes = parent.getElementsByTagName(nodeType);
var node, i = 0;
outer:
while (node = candidateNodes[i++]) {
var nodeClasses = dojo.html.getClasses(node);
if (nodeClasses.length == 0) {
continue outer;
}
var matches = 0;
for (var j = 0; j < nodeClasses.length; j++) {
if (reClass.test(nodeClasses[j])) {
if (classMatchType == dojo.html.classMatchType.ContainsAny) {
nodes.push(node);
continue outer;
} else {
matches++;
}
} else {
if (classMatchType == dojo.html.classMatchType.IsOnly) {
continue outer;
}
}
}
if (matches == classes.length) {
if ((classMatchType == dojo.html.classMatchType.IsOnly) && (matches == nodeClasses.length)) {
nodes.push(node);
} else {
if (classMatchType == dojo.html.classMatchType.ContainsAll) {
nodes.push(node);
}
}
}
}
return nodes;
}
};
dojo.html.getElementsByClassName = dojo.html.getElementsByClass;
dojo.html.toCamelCase = function (selector) {
var arr = selector.split("-"), cc = arr[0];
for (var i = 1; i < arr.length; i++) {
cc += arr[i].charAt(0).toUpperCase() + arr[i].substring(1);
}
return cc;
};
dojo.html.toSelectorCase = function (selector) {
return selector.replace(/([A-Z])/g, "-$1").toLowerCase();
};
if (dojo.render.html.ie) {
dojo.html.getComputedStyle = function (node, property, value) {
node = dojo.byId(node);
if (!node || !node.currentStyle) {
return value;
}
return node.currentStyle[dojo.html.toCamelCase(property)];
};
dojo.html.getComputedStyles = function (node) {
return node.currentStyle;
};
} else {
dojo.html.getComputedStyle = function (node, property, value) {
node = dojo.byId(node);
if (!node || !node.style) {
return value;
}
var s = document.defaultView.getComputedStyle(node, null);
return (s && s[dojo.html.toCamelCase(property)]) || "";
};
dojo.html.getComputedStyles = function (node) {
return document.defaultView.getComputedStyle(node, null);
};
}
dojo.html.getStyleProperty = function (node, cssSelector) {
node = dojo.byId(node);
return (node && node.style ? node.style[dojo.html.toCamelCase(cssSelector)] : undefined);
};
dojo.html.getStyle = function (node, cssSelector) {
var value = dojo.html.getStyleProperty(node, cssSelector);
return (value ? value : dojo.html.getComputedStyle(node, cssSelector));
};
dojo.html.setStyle = function (node, cssSelector, value) {
node = dojo.byId(node);
if (node && node.style) {
var camelCased = dojo.html.toCamelCase(cssSelector);
node.style[camelCased] = value;
}
};
dojo.html.setStyleText = function (target, text) {
try {
target.style.cssText = text;
}
catch (e) {
target.setAttribute("style", text);
}
};
dojo.html.copyStyle = function (target, source) {
if (!source.style.cssText) {
target.setAttribute("style", source.getAttribute("style"));
} else {
target.style.cssText = source.style.cssText;
}
dojo.html.addClass(target, dojo.html.getClass(source));
};
dojo.html.getUnitValue = function (node, cssSelector, autoIsZero) {
var s = dojo.html.getComputedStyle(node, cssSelector);
if ((!s) || ((s == "auto") && (autoIsZero))) {
return {value:0, units:"px"};
}
var match = s.match(/(\-?[\d.]+)([a-z%]*)/i);
if (!match) {
return dojo.html.getUnitValue.bad;
}
return {value:Number(match[1]), units:match[2].toLowerCase()};
};
dojo.html.getUnitValue.bad = {value:NaN, units:""};
if (dojo.render.html.ie) {
dojo.html.toPixelValue = function (element, styleValue) {
if (!styleValue) {
return 0;
}
if (styleValue.slice(-2) == "px") {
return parseFloat(styleValue);
}
var pixelValue = 0;
with (element) {
var sLeft = style.left;
var rsLeft = runtimeStyle.left;
runtimeStyle.left = currentStyle.left;
try {
style.left = styleValue || 0;
pixelValue = style.pixelLeft;
style.left = sLeft;
runtimeStyle.left = rsLeft;
}
catch (e) {
}
}
return pixelValue;
};
} else {
dojo.html.toPixelValue = function (element, styleValue) {
return (styleValue && (styleValue.slice(-2) == "px") ? parseFloat(styleValue) : 0);
};
}
dojo.html.getPixelValue = function (node, styleProperty, autoIsZero) {
return dojo.html.toPixelValue(node, dojo.html.getComputedStyle(node, styleProperty));
};
dojo.html.setPositivePixelValue = function (node, selector, value) {
if (isNaN(value)) {
return false;
}
node.style[selector] = Math.max(0, value) + "px";
return true;
};
dojo.html.styleSheet = null;
dojo.html.insertCssRule = function (selector, declaration, index) {
if (!dojo.html.styleSheet) {
if (document.createStyleSheet) {
dojo.html.styleSheet = document.createStyleSheet();
} else {
if (document.styleSheets[0]) {
dojo.html.styleSheet = document.styleSheets[0];
} else {
return null;
}
}
}
if (arguments.length < 3) {
if (dojo.html.styleSheet.cssRules) {
index = dojo.html.styleSheet.cssRules.length;
} else {
if (dojo.html.styleSheet.rules) {
index = dojo.html.styleSheet.rules.length;
} else {
return null;
}
}
}
if (dojo.html.styleSheet.insertRule) {
var rule = selector + " { " + declaration + " }";
return dojo.html.styleSheet.insertRule(rule, index);
} else {
if (dojo.html.styleSheet.addRule) {
return dojo.html.styleSheet.addRule(selector, declaration, index);
} else {
return null;
}
}
};
dojo.html.removeCssRule = function (index) {
if (!dojo.html.styleSheet) {
dojo.debug("no stylesheet defined for removing rules");
return false;
}
if (dojo.render.html.ie) {
if (!index) {
index = dojo.html.styleSheet.rules.length;
dojo.html.styleSheet.removeRule(index);
}
} else {
if (document.styleSheets[0]) {
if (!index) {
index = dojo.html.styleSheet.cssRules.length;
}
dojo.html.styleSheet.deleteRule(index);
}
}
return true;
};
dojo.html._insertedCssFiles = [];
dojo.html.insertCssFile = function (URI, doc, checkDuplicates, fail_ok) {
if (!URI) {
return;
}
if (!doc) {
doc = document;
}
var cssStr = dojo.hostenv.getText(URI, false, fail_ok);
if (cssStr === null) {
return;
}
cssStr = dojo.html.fixPathsInCssText(cssStr, URI);
if (checkDuplicates) {
var idx = -1, node, ent = dojo.html._insertedCssFiles;
for (var i = 0; i < ent.length; i++) {
if ((ent[i].doc == doc) && (ent[i].cssText == cssStr)) {
idx = i;
node = ent[i].nodeRef;
break;
}
}
if (node) {
var styles = doc.getElementsByTagName("style");
for (var i = 0; i < styles.length; i++) {
if (styles[i] == node) {
return;
}
}
dojo.html._insertedCssFiles.shift(idx, 1);
}
}
var style = dojo.html.insertCssText(cssStr, doc);
dojo.html._insertedCssFiles.push({"doc":doc, "cssText":cssStr, "nodeRef":style});
if (style && djConfig.isDebug) {
style.setAttribute("dbgHref", URI);
}
return style;
};
dojo.html.insertCssText = function (cssStr, doc, URI) {
if (!cssStr) {
return;
}
if (!doc) {
doc = document;
}
if (URI) {
cssStr = dojo.html.fixPathsInCssText(cssStr, URI);
}
var style = doc.createElement("style");
style.setAttribute("type", "text/css");
var head = doc.getElementsByTagName("head")[0];
if (!head) {
dojo.debug("No head tag in document, aborting styles");
return;
} else {
head.appendChild(style);
}
if (style.styleSheet) {
var setFunc = function () {
try {
style.styleSheet.cssText = cssStr;
}
catch (e) {
dojo.debug(e);
}
};
if (style.styleSheet.disabled) {
setTimeout(setFunc, 10);
} else {
setFunc();
}
} else {
var cssText = doc.createTextNode(cssStr);
style.appendChild(cssText);
}
return style;
};
dojo.html.fixPathsInCssText = function (cssStr, URI) {
if (!cssStr || !URI) {
return;
}
var match, str = "", url = "", urlChrs = "[\\t\\s\\w\\(\\)\\/\\.\\\\'\"-:#=&?~]+";
var regex = new RegExp("url\\(\\s*(" + urlChrs + ")\\s*\\)");
var regexProtocol = /(file|https?|ftps?):\/\//;
regexTrim = new RegExp("^[\\s]*(['\"]?)(" + urlChrs + ")\\1[\\s]*?$");
if (dojo.render.html.ie55 || dojo.render.html.ie60) {
var regexIe = new RegExp("AlphaImageLoader\\((.*)src=['\"](" + urlChrs + ")['\"]");
while (match = regexIe.exec(cssStr)) {
url = match[2].replace(regexTrim, "$2");
if (!regexProtocol.exec(url)) {
url = (new dojo.uri.Uri(URI, url).toString());
}
str += cssStr.substring(0, match.index) + "AlphaImageLoader(" + match[1] + "src='" + url + "'";
cssStr = cssStr.substr(match.index + match[0].length);
}
cssStr = str + cssStr;
str = "";
}
while (match = regex.exec(cssStr)) {
url = match[1].replace(regexTrim, "$2");
if (!regexProtocol.exec(url)) {
url = (new dojo.uri.Uri(URI, url).toString());
}
str += cssStr.substring(0, match.index) + "url(" + url + ")";
cssStr = cssStr.substr(match.index + match[0].length);
}
return str + cssStr;
};
dojo.html.setActiveStyleSheet = function (title) {
var i = 0, a, els = dojo.doc().getElementsByTagName("link");
while (a = els[i++]) {
if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
a.disabled = true;
if (a.getAttribute("title") == title) {
a.disabled = false;
}
}
}
};
dojo.html.getActiveStyleSheet = function () {
var i = 0, a, els = dojo.doc().getElementsByTagName("link");
while (a = els[i++]) {
if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) {
return a.getAttribute("title");
}
}
return null;
};
dojo.html.getPreferredStyleSheet = function () {
var i = 0, a, els = dojo.doc().getElementsByTagName("link");
while (a = els[i++]) {
if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title")) {
return a.getAttribute("title");
}
}
return null;
};
dojo.html.applyBrowserClass = function (node) {
var drh = dojo.render.html;
var classes = {dj_ie:drh.ie, dj_ie55:drh.ie55, dj_ie6:drh.ie60, dj_ie7:drh.ie70, dj_iequirks:drh.ie && drh.quirks, dj_opera:drh.opera, dj_opera8:drh.opera && (Math.floor(dojo.render.version) == 8), dj_opera9:drh.opera && (Math.floor(dojo.render.version) == 9), dj_khtml:drh.khtml, dj_safari:drh.safari, dj_gecko:drh.mozilla};
for (var p in classes) {
if (classes[p]) {
dojo.html.addClass(node, p);
}
}
};