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CSS: Support relative adjustment in any applicable unit

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Fixes gh-1711
Closes gh-2011

(cherry picked from commit 9b03f6df88)

Conflicts:
	src/css.js
	src/effects.js
This commit is contained in:
Mr21
2015-02-04 14:10:14 +01:00
committed by Richard Gibson
parent 9edd95ffd7
commit 6fb2cefc60
5 changed files with 135 additions and 61 deletions
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52
test/unit/css.js
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@@ -217,6 +217,58 @@ test( "css() explicit and relative values", 29, function() {
equal( $elem.css("opacity"), "1", "'+=0.5' on opacity (params)" );
});
test( "css() non-px relative values (gh-1711)", 17, function() {
var cssCurrent,
units = {},
$child = jQuery( "#nothiddendivchild" ),
add = function( prop, val, unit ) {
var str = ( val < 0 ? "-=" : "+=" ) + Math.abs( val ) + unit;
$child.css( prop, str );
equal(
Math.round( parseFloat( $child.css( prop ) ) ),
Math.round( cssCurrent += val * units[ prop ][ unit ] ),
prop + ": '" + str + "'"
);
},
getUnits = function( prop ) {
units[ prop ] = {
"px": 1,
"em": parseFloat( $child.css( prop, "100em" ).css( prop ) ) / 100,
"pt": parseFloat( $child.css( prop, "100pt" ).css( prop ) ) / 100,
"pc": parseFloat( $child.css( prop, "100pc" ).css( prop ) ) / 100,
"cm": parseFloat( $child.css( prop, "100cm" ).css( prop ) ) / 100,
"mm": parseFloat( $child.css( prop, "100mm" ).css( prop ) ) / 100,
"%" : parseFloat( $child.css( prop, "100%" ).css( prop ) ) / 100
};
};
jQuery( "#nothiddendiv" ).css({ height: 1, padding: 0, width: 400 });
$child.css({ height: 1, padding: 0 });
getUnits( "width" );
cssCurrent = parseFloat( $child.css( "width", "50%" ).css( "width" ) );
add( "width", 25, "%" );
add( "width", -50, "%" );
add( "width", 10, "em" );
add( "width", 10, "pt" );
add( "width", -2.3, "pt" );
add( "width", 5, "pc" );
add( "width", -5, "em" );
add( "width", +2, "cm" );
add( "width", -15, "mm" );
add( "width", 21, "px" );
getUnits( "lineHeight" );
cssCurrent = parseFloat( $child.css( "lineHeight", "1em" ).css( "lineHeight" ) );
add( "lineHeight", 2, "em" );
add( "lineHeight", -10, "px" );
add( "lineHeight", 20, "pt" );
add( "lineHeight", 30, "pc" );
add( "lineHeight", 1, "cm" );
add( "lineHeight", -20, "mm" );
add( "lineHeight", 50, "%" );
});
test("css(String, Object)", function() {
expect( 19 );
var j, div, display, ret, success;