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-rw-r--r--lib/scripts/helpers.js178
1 files changed, 110 insertions, 68 deletions
diff --git a/lib/scripts/helpers.js b/lib/scripts/helpers.js
index b286965cf..b0f76cdb0 100644
--- a/lib/scripts/helpers.js
+++ b/lib/scripts/helpers.js
@@ -1,134 +1,161 @@
/**
- * Differrent helper functions
+ * Various helper functions
+ */
+
+
+/**
+ * Simple function to check if a global var is defined
*
- * @author Ilya Lebedev <ilya@lebedev.net>
- * @license LGPL
+ * @author Kae Verens
+ * @link http://verens.com/archives/2005/07/25/isset-for-javascript/#comment-2835
*/
-//-----------------------------------------------------------------------------
-// Variable/property checks
-//-----------------------------------------------------------------------------
+function isset(varname){
+ return(typeof(window[varname])!='undefined');
+}
+
/**
- * Checks if property is undefined
+ * Checks if property is undefined
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isUndefined (prop /* :Object */) /* :Boolean */ {
- return (typeof prop == 'undefined');
+ return (typeof prop == 'undefined');
}
+
/**
- * Checks if property is function
+ * Checks if property is function
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isFunction (prop /* :Object */) /* :Boolean */ {
- return (typeof prop == 'function');
+ return (typeof prop == 'function');
}
/**
- * Checks if property is string
+ * Checks if property is string
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isString (prop /* :Object */) /* :Boolean */ {
- return (typeof prop == 'string');
+ return (typeof prop == 'string');
}
+
/**
- * Checks if property is number
+ * Checks if property is number
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isNumber (prop /* :Object */) /* :Boolean */ {
- return (typeof prop == 'number');
+ return (typeof prop == 'number');
}
+
/**
- * Checks if property is the calculable number
+ * Checks if property is the calculable number
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isNumeric (prop /* :Object */) /* :Boolean */ {
- return isNumber(prop)&&!isNaN(prop)&&isFinite(prop);
+ return isNumber(prop)&&!isNaN(prop)&&isFinite(prop);
}
+
/**
- * Checks if property is array
+ * Checks if property is array
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isArray (prop /* :Object */) /* :Boolean */ {
- return (prop instanceof Array);
+ return (prop instanceof Array);
}
+
/**
* Checks if property is regexp
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isRegExp (prop /* :Object */) /* :Boolean */ {
- return (prop instanceof RegExp);
+ return (prop instanceof RegExp);
}
+
/**
- * Checks if property is a boolean value
+ * Checks if property is a boolean value
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isBoolean (prop /* :Object */) /* :Boolean */ {
- return ('boolean' == typeof prop);
+ return ('boolean' == typeof prop);
}
+
/**
- * Checks if property is a scalar value (value that could be used as the hash key)
+ * Checks if property is a scalar value (value that could be used as the hash key)
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isScalar (prop /* :Object */) /* :Boolean */ {
- return isNumeric(prop)||isString(prop);
+ return isNumeric(prop)||isString(prop);
}
+
/**
- * Checks if property is empty
+ * Checks if property is empty
*
- * @param {Object} prop value to check
- * @return {Boolean} true if matched
- * @scope public
+ * @param {Object} prop value to check
+ * @return {Boolean} true if matched
+ * @scope public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
function isEmpty (prop /* :Object */) /* :Boolean */ {
- if (isBoolean(prop)) return false;
- if (isRegExp(prop) && new RegExp("").toString() == prop.toString()) return true;
- if (isString(prop) || isNumber(prop)) return !prop;
- if (Boolean(prop)&&false != prop) {
- for (var i in prop) if(prop.hasOwnProperty(i)) return false;
- }
- return true;
+ if (isBoolean(prop)) return false;
+ if (isRegExp(prop) && new RegExp("").toString() == prop.toString()) return true;
+ if (isString(prop) || isNumber(prop)) return !prop;
+ if (Boolean(prop)&&false != prop) {
+ for (var i in prop) if(prop.hasOwnProperty(i)) return false;
+ }
+ return true;
}
/**
- * Checks if property is derived from prototype, applies method if it is not exists
+ * Checks if property is derived from prototype, applies method if it is not exists
*
- * @param string property name
- * @return bool true if prototyped
- * @access public
+ * @param string property name
+ * @return bool true if prototyped
+ * @access public
+ * @author Ilya Lebedev <ilya@lebedev.net>
*/
if ('undefined' == typeof Object.hasOwnProperty) {
- Object.prototype.hasOwnProperty = function (prop) {
- return !('undefined' == typeof this[prop] || this.constructor && this.constructor.prototype[prop] && this[prop] === this.constructor.prototype[prop]);
- };
+ Object.prototype.hasOwnProperty = function (prop) {
+ return !('undefined' == typeof this[prop] || this.constructor && this.constructor.prototype[prop] && this[prop] === this.constructor.prototype[prop]);
+ };
}
/**
* Very simplistic Flash plugin check, probably works for Flash 8 and higher only
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
*/
function hasFlash(version){
var ver = 0;
@@ -192,3 +219,18 @@ function bind(fnc/*, ... */) {
static_args.concat(Aps.call(arguments, 0)));
};
}
+
+/**
+ * Get the computed style of a node.
+ *
+ * @link https://acidmartin.wordpress.com/2008/08/26/style-get-any-css-property-value-of-an-object/
+ * @link http://svn.dojotoolkit.org/src/dojo/trunk/_base/html.js
+ */
+function gcs(node){
+ if(node.currentStyle){
+ return node.currentStyle;
+ }else{
+ return node.ownerDocument.defaultView.getComputedStyle(node, null);
+ }
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 22:04:47 +0000