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Merge branch 'cssrelative.1.6' of https://github.com/danheberden/jquery into danheberden-cssrelative.1.6

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This commit is contained in:
Dave Methvin 2011-04-05 22:40:59 -04:00
parent 0fbadbcced 44a3b5839e
commit ceaf093942
2 changed files with 44 additions and 3 deletions
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15
src/css.js
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@ -7,6 +7,8 @@ var ralpha = /alpha\([^)]*\)/i,
rupper = /([A-Z]|^ms)/g, rupper = /([A-Z]|^ms)/g,
rnumpx = /^-?\d+(?:px)?$/i, rnumpx = /^-?\d+(?:px)?$/i,
rnum = /^-?\d/, rnum = /^-?\d/,
rrelNum = /^[+\-]=/,
rrelNumFilter = /[^+\-\.\de]+/g,
cssShow = { position: "absolute", visibility: "hidden", display: "block" }, cssShow = { position: "absolute", visibility: "hidden", display: "block" },
cssWidth = [ "Left", "Right" ], cssWidth = [ "Left", "Right" ],
@ -75,20 +77,27 @@ jQuery.extend({
} }
// Make sure that we're working with the right name // Make sure that we're working with the right name
var ret, origName = jQuery.camelCase( name ), var ret, type, origName = jQuery.camelCase( name ),
style = elem.style, hooks = jQuery.cssHooks[ origName ]; style = elem.style, hooks = jQuery.cssHooks[ origName ];
name = jQuery.cssProps[ origName ] || origName; name = jQuery.cssProps[ origName ] || origName;
// Check if we're setting a value // Check if we're setting a value
if ( value !== undefined ) { if ( value !== undefined ) {
type = typeof value;
// Make sure that NaN and null values aren't set. See: #7116 // Make sure that NaN and null values aren't set. See: #7116
if ( typeof value === "number" && isNaN( value ) || value == null ) { if ( type === "number" && isNaN( value ) || value == null ) {
return; return;
} }
// convert relative number strings (+= or -=) to relative numbers. #7345
if ( type === "string" && rrelNum.test( value ) ) {
value = +value.replace( rrelNumFilter, '' ) + parseFloat( jQuery.css( elem, name ) );
}
// If a number was passed in, add 'px' to the (except for certain CSS properties) // If a number was passed in, add 'px' to the (except for certain CSS properties)
if ( typeof value === "number" && !jQuery.cssNumber[ origName ] ) { if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
value += "px"; value += "px";
} }

32
test/unit/css.js
View file

@ -105,6 +105,38 @@ test("css(String|Hash)", function() {
equals( child[0].style.fontSize, old, "Make sure font-size isn't changed on null." ); equals( child[0].style.fontSize, old, "Make sure font-size isn't changed on null." );
}); });
test("css() explicit and relative values", function() {
expect(9);
var $elem = jQuery('#nothiddendiv');
$elem.css({ width: 1, height: 1 });
equals( $elem.width(), 1, "Initial css set or width/height works (hash)" );
$elem.css({ width: "+=9" });
equals( $elem.width(), 10, "'+=9' on width (hash)" );
$elem.css({ width: "-=9" });
equals( $elem.width(), 1, "'-=9' on width (hash)" );
$elem.css({ width: "+=9px" });
equals( $elem.width(), 10, "'+=9px' on width (hash)" );
$elem.css({ width: "-=9px" });
equals( $elem.width(), 1, "'-=9px' on width (hash)" );
$elem.css( "width", "+=9" );
equals( $elem.width(), 10, "'+=9' on width (params)" );
$elem.css( "width", "-=9" ) ;
equals( $elem.width(), 1, "'-=9' on width (params)" );
$elem.css( "width", "+=9px" );
equals( $elem.width(), 10, "'+=9px' on width (params)" );
$elem.css( "width", "-=9px" );
equals( $elem.width(), 1, "'-=9px' on width (params)" );
});
test("css(String, Object)", function() { test("css(String, Object)", function() {
expect(22); expect(22);