Add function values to addClass, removeClass, toggleClass, text, and removeAttr

diff --git a/src/attributes.js b/src/attributes.js
index 4405b43..8d889fc 100644 (file)
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -4,6 +4,12 @@ jQuery.fn.extend({
        },
 
        addClass: function( value ) {
+    if(jQuery.isFunction(value)) {
+      return this.each(function() {
+        jQuery(this).addClass( value.call(this) );
+      });
+    }
+
                if ( value && typeof value === "string" ) {
                        var classNames = (value || "").split(/\s+/);
 
@@ -29,6 +35,12 @@ jQuery.fn.extend({
        },
 
        removeClass: function( value ) {
+         if(jQuery.isFunction(value)) {
+           return this.each(function() {
+             jQuery(this).removeClass( value.call(this) );
+           });
+         }
+
                if ( (value && typeof value === "string") || value === undefined ) {
                        var classNames = (value || "").split(/\s+/);
 
@@ -113,7 +125,7 @@ jQuery.fn.extend({
                // Typecast once if the value is a number
                if ( typeof value === "number" ) {
                        value += '';
-               }       
+               }
                var val = value;
 
                return this.each(function(){
@@ -122,10 +134,10 @@ jQuery.fn.extend({
                                // Typecast each time if the value is a Function and the appended
                                // value is therefore different each time.
                                if( typeof val === "number" ) {
-                                       val += ''; 
+                                       val += '';
                                }
                        }
-                       
+
                        if ( this.nodeType != 1 ) {
                                return;
                        }
@@ -158,6 +170,13 @@ jQuery.each({
        },
 
        toggleClass: function( classNames, state ) {
+         if( jQuery.isFunction(classNames) ) {
+           return this.each(function() {
+             console.log(this);
+             jQuery(this).toggleClass( classNames.call(this), state );
+           });
+         }
+
                var type = typeof classNames;
                if ( type === "string" ) {
                        // toggle individual class names
@@ -178,7 +197,11 @@ jQuery.each({
                }
        }
 }, function(name, fn){
-       jQuery.fn[ name ] = function(){
+       jQuery.fn[ name ] = function(val, state){
+         if( jQuery.isFunction( val ) ) {
+           return this.each(function() { jQuery(this)[ name ]( val.call(this), state ); });
+         }
+
                return this.each( fn, arguments );
        };
 });
@@ -192,7 +215,7 @@ jQuery.extend({
                if ( name in jQuery.fn && name !== "attr" ) {
                        return jQuery(elem)[name](value);
                }
-               
+
                var notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem ),
                        // Whether we are setting (or getting)
                        set = value !== undefined;

diff --git a/src/manipulation.js b/src/manipulation.js
index 930b3d9..baab8c6 100644 (file)
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -32,6 +32,12 @@ if ( !jQuery.support.htmlSerialize ) {
 
 jQuery.fn.extend({
        text: function( text ) {
+         if(jQuery.isFunction(text)) {
+           return this.each(function() {
+             return jQuery(this).text( text.call(this) );
+           });
+         }
+
                if ( typeof text !== "object" && text !== undefined ) {
                        return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
                }
@@ -87,7 +93,7 @@ jQuery.fn.extend({
                        }
                }).end();
        },
-       
+
        append: function() {
                return this.domManip(arguments, true, function(elem){
                        if ( this.nodeType === 1 ) {

diff --git a/test/unit/attributes.js b/test/unit/attributes.js
index e0425c4..a95b3f9 100644 (file)
--- a/test/unit/attributes.js
+++ b/test/unit/attributes.js
@@ -1,5 +1,8 @@
 module("attributes");
 
+var bareObj = function(value) { return value; };
+var functionReturningObj = function(value) { return (function() { return value; }); };
+
 test("attr(String)", function() {
        expect(28);
        
@@ -294,10 +297,10 @@ test("attr('tabindex', value)", function() {
        equals(element.attr('tabindex'), -1, 'set negative tabindex');
 });
 
-test("addClass(String)", function() {
+var testAddClass = function(valueObj) {
        expect(2);
        var div = jQuery("div");
-       div.addClass("test");
+       div.addClass( valueObj("test") );
        var pass = true;
        for ( var i = 0; i < div.size(); i++ ) {
         if ( div.get(i).className.indexOf("test") == -1 ) pass = false;
@@ -306,16 +309,24 @@ test("addClass(String)", function() {
 
        // using contents will get regular, text, and comment nodes
        var j = jQuery("#nonnodes").contents();
-       j.addClass("asdf");
+       j.addClass( valueObj("asdf") );
        ok( j.hasClass("asdf"), "Check node,textnode,comment for addClass" );
+}
+
+test("addClass(String)", function() {
+  testAddClass(bareObj);
 });
 
-test("removeClass(String) - simple", function() {
+test("addClass(Function)", function() {
+  testAddClass(functionReturningObj);
+});
+
+var testRemoveClass = function(valueObj) {
        expect(5);
 
        var $divs = jQuery('div');
 
-       $divs.addClass("test").removeClass("test");
+       $divs.addClass("test").removeClass( valueObj("test") );
 
        ok( !$divs.is('.test'), "Remove Class" );
 
@@ -323,7 +334,7 @@ test("removeClass(String) - simple", function() {
        $divs = jQuery('div');
 
        $divs.addClass("test").addClass("foo").addClass("bar");
-       $divs.removeClass("test").removeClass("bar").removeClass("foo");
+       $divs.removeClass( valueObj("test") ).removeClass( valueObj("bar") ).removeClass( valueObj("foo") );
 
        ok( !$divs.is('.test,.bar,.foo'), "Remove multiple classes" );
 
@@ -331,42 +342,50 @@ test("removeClass(String) - simple", function() {
        $divs = jQuery('div');
 
        // Make sure that a null value doesn't cause problems
-       $divs.eq(0).addClass("test").removeClass(null);
+       $divs.eq(0).addClass("test").removeClass( valueObj(null) );
        ok( $divs.eq(0).is('.test'), "Null value passed to removeClass" );
 
-       $divs.eq(0).addClass("test").removeClass("");
+       $divs.eq(0).addClass("test").removeClass( valueObj("") );
        ok( $divs.eq(0).is('.test'), "Empty string passed to removeClass" );
 
        // using contents will get regular, text, and comment nodes
        var j = jQuery("#nonnodes").contents();
-       j.removeClass("asdf");
+       j.removeClass( valueObj("asdf") );
        ok( !j.hasClass("asdf"), "Check node,textnode,comment for removeClass" );
+};
+
+test("removeClass(String) - simple", function() {
+  testRemoveClass(bareObj);
 });
 
-test("toggleClass(String|boolean|undefined[, boolean])", function() {
+test("removeClass(Function) - simple", function() {
+  testRemoveClass(functionReturningObj);
+});
+
+var testToggleClass = function(valueObj) {
        expect(17);
 
        var e = jQuery("#firstp");
        ok( !e.is(".test"), "Assert class not present" );
-       e.toggleClass("test");
+       e.toggleClass( valueObj("test") );
        ok( e.is(".test"), "Assert class present" );
-       e.toggleClass("test");
+       e.toggleClass( valueObj("test") );
        ok( !e.is(".test"), "Assert class not present" );
 
        // class name with a boolean
-       e.toggleClass("test", false);
+       e.toggleClass( valueObj("test"), false );
        ok( !e.is(".test"), "Assert class not present" );
-       e.toggleClass("test", true);
+       e.toggleClass( valueObj("test"), true );
        ok( e.is(".test"), "Assert class present" );
-       e.toggleClass("test", false);
+       e.toggleClass( valueObj("test"), false );
        ok( !e.is(".test"), "Assert class not present" );
 
        // multiple class names
        e.addClass("testA testB");
        ok( (e.is(".testA.testB")), "Assert 2 different classes present" );
-       e.toggleClass("testB testC");
+       e.toggleClass( valueObj("testB testC") );
        ok( (e.is(".testA.testC") && !e.is(".testB")), "Assert 1 class added, 1 class removed, and 1 class kept" );
-       e.toggleClass("testA testC");
+       e.toggleClass( valueObj("testA testC") );
        ok( (!e.is(".testA") && !e.is(".testB") && !e.is(".testC")), "Assert no class present" );
 
        // toggleClass storage
@@ -393,11 +412,27 @@ test("toggleClass(String|boolean|undefined[, boolean])", function() {
        // Cleanup
        e.removeClass("testD");
        e.removeData('__className__');
+};
+
+test("toggleClass(String|boolean|undefined[, boolean])", function() {
+  testToggleClass(bareObj);
 });
 
-test("removeAttr(String", function() {
+test("toggleClass(Function[, boolean])", function() {
+  testToggleClass(functionReturningObj);
+});
+
+var testRemoveAttr = function(valueObj) {
        expect(1);
-       equals( jQuery('#mark').removeAttr("class")[0].className, "", "remove class" );
+       equals( jQuery('#mark').removeAttr( valueObj("class") )[0].className, "", "remove class" );
+};
+
+test("removeAttr(String)", function() {
+  testRemoveAttr(bareObj);
+});
+
+test("removeAttr(Function)", function() {
+  testRemoveAttr(functionReturningObj);
 });
 
 test("addClass, removeClass, hasClass", function() {

diff --git a/test/unit/manipulation.js b/test/unit/manipulation.js
index 6de3e14..8c3d1a5 100644 (file)
--- a/test/unit/manipulation.js
+++ b/test/unit/manipulation.js
@@ -739,15 +739,16 @@ test("html(String)", function() {
 
 test("html(Function)", function() {
        testHtml(functionReturningObj);
-})
+});
 
 var testText = function(valueObj) {
        expect(4);
-       equals( jQuery("#foo").text("<div><b>Hello</b> cruel world!</div>")[0].innerHTML.replace(/>/g, "&gt;"), "&lt;div&gt;&lt;b&gt;Hello&lt;/b&gt; cruel world!&lt;/div&gt;", "Check escaped text" );
+       var val = valueObj("<div><b>Hello</b> cruel world!</div>");
+       equals( jQuery("#foo").text(val)[0].innerHTML.replace(/>/g, "&gt;"), "&lt;div&gt;&lt;b&gt;Hello&lt;/b&gt; cruel world!&lt;/div&gt;", "Check escaped text" );
 
        // using contents will get comments regular, text, and comment nodes
        var j = jQuery("#nonnodes").contents();
-       j.text("hi!");
+       j.text(valueObj("hi!"));
        equals( jQuery(j[0]).text(), "hi!", "Check node,textnode,comment with text()" );
        equals( j[1].nodeValue, " there ", "Check node,textnode,comment with text()" );
        equals( j[2].nodeType, 8, "Check node,textnode,comment with text()" );