46 lines
1.8 KiB
JavaScript
46 lines
1.8 KiB
JavaScript
|
function get_css(rule_name, stylesheet, delete_flag) {
|
||
|
|
if (!document.styleSheets) return false;
|
||
|
|
rule_name = rule_name.toLowerCase(); stylesheet = stylesheet || 0;
|
||
|
|
for (var i = stylesheet; i < document.styleSheets.length; i++) {
|
||
|
|
var styleSheet = document.styleSheets[i]; css_rules = document.styleSheets[i].cssRules || document.styleSheets[i].rules;
|
||
|
|
if(!css_rules) continue;
|
||
|
|
var j = 0;
|
||
|
|
do {
|
||
|
|
if(css_rules[j].selectorText.toLowerCase() == rule_name) {
|
||
|
|
if(delete_flag == true) {
|
||
|
|
if(document.styleSheets[i].removeRule) document.styleSheets[i].removeRule(j);
|
||
|
|
if(document.styleSheets[i].deleteRule) document.styleSheets[i].deleteRule(j);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else return css_rules[j];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
while (css_rules[++j]);
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
function add_css(rule_name, stylesheet) {
|
||
|
|
rule_name = rule_name.toLowerCase(); stylesheet = stylesheet || 0;
|
||
|
|
if (!document.styleSheets || get_css(rule_name, stylesheet)) return false;
|
||
|
|
(document.styleSheets[stylesheet].addRule) ? document.styleSheets[stylesheet].addRule(rule_name, null, 0) : document.styleSheets[stylesheet].insertRule(rule_name+' { }', 0);
|
||
|
|
return get_css(rule_name);
|
||
|
|
}
|
||
|
|
function get_sheet_num (href_name) {
|
||
|
|
if (!document.styleSheets) return false;
|
||
|
|
for (var i = 0; i < document.styleSheets.length; i++) { if(document.styleSheets[i].href && document.styleSheets[i].href.toString().match(href_name)) return i; }
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
function remove_css(rule_name, stylesheet) { return get_css(rule_name, stylesheet, true); }
|
||
|
|
|
||
|
|
function add_sheet(url) {
|
||
|
|
if(document.createStyleSheet) {
|
||
|
|
document.createStyleSheet(url);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
var styles = "@import url(' " + url + " ');";
|
||
|
|
var newSS = document.createElement('link');
|
||
|
|
newSS.rel ='stylesheet';
|
||
|
|
newSS.href ='data:text/css,'+escape(styles);
|
||
|
|
document.getElementsByTagName("head")[0].appendChild(newSS);
|
||
|
|
}
|
||
|
|
}
|