jQuery.fn.extend({
- attr: function( name, value, type ) {
- var options = name, isFunction = jQuery.isFunction( value );
+ attr: function( name, value ) {
+ var elem, options, isFunction = jQuery.isFunction(value);
- // Look for the case where we're accessing a style value
- if ( typeof name === "string" ) {
- if ( value === undefined ) {
+ if ( typeof name === "string" ) { // A single attribute
+ if ( value === undefined ) { // Query it on first element
return this.length ?
- jQuery[ type || "attr" ]( this[0], name ) :
+ jQuery.attr( this[0], name ) :
null;
-
- } else {
- options = {};
- options[ name ] = value;
- }
- }
-
- // Check to see if we're setting style values
- for ( var i = 0, l = this.length; i < l; i++ ) {
- var elem = this[i];
-
- // Set all the styles
- for ( var prop in options ) {
- value = options[prop];
-
- if ( isFunction ) {
- value = value.call( elem, i );
+ } else { // Set it on all elements
+ for ( var i = 0, l = this.length; i < l; i++ ) {
+ elem = this[i];
+ if ( isFunction )
+ value = value.call(elem,i);
+ jQuery.attr( elem, name, value );
}
-
- if ( typeof value === "number" && type === "curCSS" && !exclude.test(prop) ) {
- value = value + "px";
+ }
+ } else { // Multiple attributes to set on all
+ options = name;
+ for ( var i = 0, l = this.length; i < l; i++ ) {
+ elem = this[i];
+ for ( name in options ) {
+ value = options[name];
+ if ( jQuery.isFunction(value) )
+ value = value.call(elem,i);
+ jQuery.attr( elem, name, value );
}
-
- jQuery.attr( type ? elem.style : elem, prop, value );
}
}
return this;
},
- css: function( key, value ) {
- // ignore negative width and height values
- if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
- value = undefined;
- return this.attr( key, value, "curCSS" );
- },
-
hasClass: function( selector ) {
return !!selector && this.is( "." + selector );
},
if ( elem ) {
if( jQuery.nodeName( elem, 'option' ) )
return (elem.attributes.value || {}).specified ? elem.value : elem.text;
-
+
// We need to handle select boxes special
if ( jQuery.nodeName( elem, "select" ) ) {
var index = elem.selectedIndex,
}
}
- return values;
+ return values;
}
// Everything else, we just grab the value
return undefined;
}
+ // Typecast once if the value is a number
if ( typeof value === "number" )
value += '';
+
+ var val = value;
return this.each(function(){
+ if(jQuery.isFunction(value)) {
+ val = value.call(this);
+ // Typecast each time if the value is a Function and the appended
+ // value is therefore different each time.
+ if( typeof val === "number" ) val += '';
+ }
+
if ( this.nodeType != 1 )
return;
- if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )
- this.checked = (jQuery.inArray(this.value, value) >= 0 ||
- jQuery.inArray(this.name, value) >= 0);
+ if ( jQuery.isArray(val) && /radio|checkbox/.test( this.type ) )
+ this.checked = (jQuery.inArray(this.value, val) >= 0 ||
+ jQuery.inArray(this.name, val) >= 0);
else if ( jQuery.nodeName( this, "select" ) ) {
- var values = jQuery.makeArray(value);
+ var values = jQuery.makeArray(val);
jQuery( "option", this ).each(function(){
this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
this.selectedIndex = -1;
} else
- this.value = value;
+ this.value = val;
});
}
});
},
toggleClass: function( classNames, state ) {
- if( typeof state !== "boolean" )
- state = !jQuery.className.has( this, classNames );
- jQuery.className[ state ? "add" : "remove" ]( this, classNames );
+ var type = typeof classNames;
+ if ( type === "string" ) {
+ // toggle individual class names
+ var isBool = typeof state === "boolean", className, i = 0,
+ classNames = classNames.split( /\s+/ );
+ while ( (className = classNames[ i++ ]) ) {
+ // check each className given, space seperated list
+ state = isBool ? state : !jQuery.className.has( this, className );
+ jQuery.className[ state ? "add" : "remove" ]( this, className );
+ }
+ } else if ( type === "undefined" || type === "boolean" ) {
+ if ( this.className ) {
+ // store className if set
+ jQuery.data( this, "__className__", this.className );
+ }
+ // toggle whole className
+ this.className = this.className || classNames === false ? "" : jQuery.data( this, "__className__" ) || "";
+ }
}
}, function(name, fn){
jQuery.fn[ name ] = function(){
}
},
- // A method for quickly swapping in/out CSS properties to get correct calculations
- swap: function( elem, options, callback ) {
- var old = {};
- // Remember the old values, and insert the new ones
- for ( var name in options ) {
- old[ name ] = elem.style[ name ];
- elem.style[ name ] = options[ name ];
- }
-
- callback.call( elem );
-
- // Revert the old values
- for ( var name in options )
- elem.style[ name ] = old[ name ];
- },
-
- css: function( elem, name, force, extra ) {
- if ( name == "width" || name == "height" ) {
- var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
-
- function getWH() {
- val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
-
- if ( extra === "border" )
- return;
-
- jQuery.each( which, function() {
- if ( !extra )
- val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
- if ( extra === "margin" )
- val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
- else
- val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
- });
- }
-
- if ( elem.offsetWidth !== 0 )
- getWH();
- else
- jQuery.swap( elem, props, getWH );
-
- return Math.max(0, Math.round(val));
- }
-
- return jQuery.curCSS( elem, name, force );
- },
-
- curCSS: function( elem, name, force ) {
- var ret, style = elem.style;
-
- // We need to handle opacity special in IE
- if ( name == "opacity" && !jQuery.support.opacity ) {
- ret = jQuery.attr( style, "opacity" );
-
- return ret == "" ?
- "1" :
- ret;
- }
-
- // Make sure we're using the right name for getting the float value
- if ( name.match( /float/i ) )
- name = styleFloat;
-
- if ( !force && style && style[ name ] )
- ret = style[ name ];
-
- else if ( defaultView.getComputedStyle ) {
-
- // Only "float" is needed here
- if ( name.match( /float/i ) )
- name = "float";
-
- name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
-
- var computedStyle = defaultView.getComputedStyle( elem, null );
-
- if ( computedStyle )
- ret = computedStyle.getPropertyValue( name );
-
- // We should always get a number back from opacity
- if ( name == "opacity" && ret == "" )
- ret = "1";
-
- } else if ( elem.currentStyle ) {
- var camelCase = name.replace(/\-(\w)/g, function(all, letter){
- return letter.toUpperCase();
- });
-
- ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
-
- // From the awesome hack by Dean Edwards
- // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
-
- // If we're not dealing with a regular pixel number
- // but a number that has a weird ending, we need to convert it to pixels
- if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
- // Remember the original values
- var left = style.left, rsLeft = elem.runtimeStyle.left;
-
- // Put in the new values to get a computed value out
- elem.runtimeStyle.left = elem.currentStyle.left;
- style.left = ret || 0;
- ret = style.pixelLeft + "px";
-
- // Revert the changed values
- style.left = left;
- elem.runtimeStyle.left = rsLeft;
- }
- }
-
- return ret;
- },
-
attr: function( elem, name, value ) {
// don't set attributes on text and comment nodes
if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
return undefined;
- var notxml = !elem.tagName || !jQuery.isXMLDoc( elem ),
+ var notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem ),
// Whether we are setting (or getting)
set = value !== undefined;
name = notxml && jQuery.props[ name ] || name;
// Only do all the following if this is a node (faster for style)
- // IE elem.getAttribute passes even for style
- if ( elem.tagName ) {
+ if ( elem.nodeType === 1 ) {
// These attributes require special treatment
var special = /href|src|style/.test( name );
if ( name in elem && notxml && !special ) {
if ( set ){
// We can't allow the type property to be changed (since it causes problems in IE)
- if ( name == "type" && elem.nodeName.match(/(button|input)/i) && elem.parentNode )
+ if ( name == "type" && /(button|input)/i.test(elem.nodeName) && elem.parentNode )
throw "type property can't be changed";
elem[ name ] = value;
var attributeNode = elem.getAttributeNode( "tabIndex" );
return attributeNode && attributeNode.specified
? attributeNode.value
- : elem.nodeName.match(/(button|input|object|select|textarea)/i)
+ : /(button|input|object|select|textarea)/i.test(elem.nodeName)
? 0
- : elem.nodeName.match(/^(a|area)$/i) && elem.href
+ : /^(a|area)$/i.test(elem.nodeName) && elem.href
? 0
: undefined;
}
return elem[ name ];
}
- if ( !jQuery.support.style && notxml && name == "style" )
- return jQuery.attr( elem.style, "cssText", value );
+ if ( !jQuery.support.style && notxml && name == "style" ) {
+ if ( set )
+ elem.style.cssText = "" + value;
+
+ return elem.style.cssText;
+ }
if ( set )
// convert the value to a string (all browsers do this but IE) see #1070
}
// elem is actually elem.style ... set the style
-
- // IE uses filters for opacity
- if ( !jQuery.support.opacity && name == "opacity" ) {
- if ( set ) {
- // IE has trouble with opacity if it does not have layout
- // Force it by setting the zoom level
- elem.zoom = 1;
-
- // Set the alpha filter to set the opacity
- elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
- (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
- }
-
- return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
- (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
- "";
- }
-
- name = name.replace(/-([a-z])/ig, function(all, letter){
- return letter.toUpperCase();
- });
-
- if ( set )
- elem[ name ] = value;
-
- return elem[ name ];
+ // Using attr for specific style information is now deprecated. Use style insead.
+ return jQuery.style(elem, name, value);
}
-});
\ No newline at end of file
+});