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Code Issues Releases Wiki Activity

Split the DOM utilities into their own file

This commit is contained in:
Jeremy Ruston 2012-06-20 22:16:41 +01:00
parent d0ee6bd691
commit c5292567dd
2 changed files with 78 additions and 63 deletions
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78
core/modules/utils.dom.js Normal file
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@ -0,0 +1,78 @@
/*\
title: $:/core/modules/utils.dom.js
type: application/javascript
module-type: utils
Various static DOM-related utility functions.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Determines whether element 'a' contains element 'b'
Code thanks to John Resig, http://ejohn.org/blog/comparing-document-position/
*/
exports.domContains = function(a,b) {
return a.contains ?
a != b && a.contains(b) :
!!(a.compareDocumentPosition(b) & 16);
};
exports.hasClass = function(el,className) {
return el.className.split(" ").indexOf(className) !== -1;
};
exports.addClass = function(el,className) {
var c = el.className.split(" ");
if(c.indexOf(className) === -1) {
c.push(className);
}
el.className = c.join(" ");
};
exports.removeClass = function(el,className) {
var c = el.className.split(" "),
p = c.indexOf(className);
if(p !== -1) {
c.splice(p,1);
el.className = c.join(" ");
}
};
exports.toggleClass = function(el,className,status) {
if(status === undefined) {
status = !exports.hasClass(el,className);
}
if(status) {
exports.addClass(el,className);
} else {
exports.removeClass(el,className);
}
};
exports.applyStyleSheet = function(id,css) {
var el = document.getElementById(id);
if(document.createStyleSheet) { // Older versions of IE
if(el) {
el.parentNode.removeChild(el);
}
document.getElementsByTagName("head")[0].insertAdjacentHTML("beforeEnd",
'&nbsp;<style id="' + id + '" type="text/css">' + css + '</style>'); // fails without &nbsp;
} else { // Modern browsers
if(el) {
el.replaceChild(document.createTextNode(css), el.firstChild);
} else {
el = document.createElement("style");
el.type = "text/css";
el.id = id;
el.appendChild(document.createTextNode(css));
document.getElementsByTagName("head")[0].appendChild(el);
}
}
};
})();

63
core/modules/utils.js
View File

@ -236,69 +236,6 @@ exports.nextTick = function(fn) {
}
};
/*
Determines whether element 'a' contains element 'b'
Code thanks to John Resig, http://ejohn.org/blog/comparing-document-position/
*/
exports.domContains = function(a,b) {
return a.contains ?
a != b && a.contains(b) :
!!(a.compareDocumentPosition(b) & 16);
};
exports.hasClass = function(el,className) {
return el.className.split(" ").indexOf(className) !== -1;
};
exports.addClass = function(el,className) {
var c = el.className.split(" ");
if(c.indexOf(className) === -1) {
c.push(className);
}
el.className = c.join(" ");
};
exports.removeClass = function(el,className) {
var c = el.className.split(" "),
p = c.indexOf(className);
if(p !== -1) {
c.splice(p,1);
el.className = c.join(" ");
}
};
exports.toggleClass = function(el,className,status) {
if(status === undefined) {
status = !exports.hasClass(el,className);
}
if(status) {
exports.addClass(el,className);
} else {
exports.removeClass(el,className);
}
};
exports.applyStyleSheet = function(id,css) {
var el = document.getElementById(id);
if(document.createStyleSheet) { // Older versions of IE
if(el) {
el.parentNode.removeChild(el);
}
document.getElementsByTagName("head")[0].insertAdjacentHTML("beforeEnd",
'&nbsp;<style id="' + id + '" type="text/css">' + css + '</style>'); // fails without &nbsp;
} else { // Modern browsers
if(el) {
el.replaceChild(document.createTextNode(css), el.firstChild);
} else {
el = document.createElement("style");
el.type = "text/css";
el.id = id;
el.appendChild(document.createTextNode(css));
document.getElementsByTagName("head")[0].appendChild(el);
}
}
};
/*
Convert a hyphenated CSS property name into a camel case one
*/