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Fix 11004. getWH() box-sizing:border-box includes padding and border.

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Mike Sherov 2012-04-10 17:18:00 -04:00 committed by Dave Methvin
parent 5376a809c0
commit d7217cc29c
4 changed files with 58 additions and 33 deletions
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64
src/css.js
View File

@ -272,15 +272,14 @@ curCSS = getComputedStyle || currentStyle;
function getWidthOrHeight( elem, name, extra ) {
// Start with offset property
// Start with offset property, which is equivalent to the border-box value
var val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
i = name === "width" ? 1 : 0,
len = 4,
usedOffset = true;
valueIsBorderBox = true,
isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box";
if ( val <= 0 ) {
usedOffset = false;
// Fall back to computed then uncomputed css if necessary
val = curCSS( elem, name );
if ( val < 0 || val == null ) {
@ -292,34 +291,47 @@ function getWidthOrHeight( elem, name, extra ) {
return val;
}
// we need the check for style in case a browser which returns unreliable values
// for getComputedStyle silently falls back to the reliable elem.style
valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
// Normalize "", auto, and prepare for extra
val = parseFloat( val ) || 0;
}
//if we're using border-box, the css width/height value behaves like the offsetWidth/Height property!
if ( usedOffset || ( jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box" ) ) {
if ( extra !== "border" ) {
for ( ; i < len; i += 2 ) {
if ( !extra ) {
val -= parseFloat( jQuery.css( elem, "padding" + cssExpand[ i ] ) ) || 0;
}
if ( extra === "margin" ) {
val += parseFloat( jQuery.css( elem, extra + cssExpand[ i ] ) ) || 0;
} else {
val -= parseFloat( jQuery.css( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
}
// determine which box-sizing width we're supposed to be getting
if ( !extra ) {
extra = isBorderBox ? "border" : "content";
}
// if the measurement we need is already represented by the retrieved width
// there's no need to augment further
if ( extra !== (valueIsBorderBox ? "border" : "content") ) {
for ( ; i < len; i += 2 ) {
// both box models exclude margin, so add it if we want it
if ( extra === "margin" ) {
// we use jQuery.css instead of curCSS here
// because of the reliableMarginRight CSS hook!
val += parseFloat( jQuery.css( elem, extra + cssExpand[ i ] ) ) || 0;
}
}
} else {
// Add padding, border, margin
if ( extra ) {
for ( ; i < len; i += 2 ) {
val += parseFloat( jQuery.css( elem, "padding" + cssExpand[ i ] ) ) || 0;
if ( extra !== "padding" ) {
val += parseFloat( jQuery.css( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
if ( valueIsBorderBox ) {
// border-box includes padding, so remove it if we want content
if ( extra === "content" ) {
val -= parseFloat( curCSS( elem, "padding" + cssExpand[ i ] ) ) || 0;
}
if ( extra === "margin" ) {
val += parseFloat( jQuery.css( elem, extra + cssExpand[ i ] ) ) || 0;
// at this point, extra isnt border nor margin, so remove border
if ( extra !== "margin" ) {
val -= parseFloat( curCSS( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
}
} else {
// at this point, extra isnt content, so add padding
val += parseFloat( curCSS( elem, "padding" + cssExpand[ i ] ) ) || 0;
// at this point, extra isnt content nor padding, so add border
if ( extra !== "padding" ) {
val += parseFloat( curCSS( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
}
}
}

2
src/dimensions.js
View File

@ -59,7 +59,7 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
// Get width or height on the element
if ( value === undefined ) {
orig = jQuery.css( elem, type );
orig = jQuery.css( elem, type, "content" );
ret = parseFloat( orig );
return jQuery.isNumeric( ret ) ? ret : orig;
}

13
src/support.js
View File

@ -91,7 +91,8 @@ jQuery.support = (function() {
inlineBlockNeedsLayout: false,
shrinkWrapBlocks: false,
reliableMarginRight: true,
pixelMargin: true
pixelMargin: true,
boxSizingReliable: true
};
// jQuery.boxModel DEPRECATED in 1.3, use jQuery.support.boxModel instead
@ -251,17 +252,17 @@ jQuery.support = (function() {
support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
}
div.style.cssText = boxSizingPrefixes.join("box-sizing:border-box;") + "width:4px;padding:1px;border:1px;display:block";
div.style.cssText = boxSizingPrefixes.join("box-sizing:border-box;") + "border:1px;width:4px;padding:1px;display:block;margin-top:1%;";
support.boxSizing = ( div.offsetWidth === 4 );
if ( window.getComputedStyle ) {
support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
support.pixelMargin = ( window.getComputedStyle( div, null ) || { marginTop: 0 } ).marginTop !== "1%";
}
offsetSupport = {
doesNotIncludeMarginInBodyOffset: ( body.offsetTop !== conMarginTop )
};
if ( window.getComputedStyle ) {
div.style.marginTop = "1%";
support.pixelMargin = ( window.getComputedStyle( div, null ) || { marginTop: 0 } ).marginTop !== "1%";
}
if ( typeof container.style.zoom !== "undefined" ) {
container.style.zoom = 1;

12
test/unit/css.js
View File

@ -555,6 +555,18 @@ test("outerWidth(true) and css('margin') returning % instead of px in Webkit, se
equal( el.outerWidth(true), 400, "outerWidth(true) and css('margin') returning % instead of px in Webkit, see #10639" );
});
test("css('width') should respect box-sizing, see #11004", function() {
var el_disconnected = jQuery("<div style='width:300px;margin:2px;padding:2px;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;'>test</div>"),
el = el_disconnected.clone().appendTo("#qunit-fixture"),
width_initial = el.css("width"),
width_roundtrip = el.css("width", el.css("width")).css("width"),
width_initial_disconnected = el_disconnected.css("width"),
width_roundtrip_disconnected = el_disconnected.css("width", el_disconnected.css("width")).css("width");
equal( width_roundtrip, width_initial, "css('width') is not respecting box-sizing, see #11004");
equal( width_roundtrip_disconnected, width_initial_disconnected, "css('width') is not respecting box-sizing for disconnected element, see #11004");
});
test( "cssHooks - expand", function() {
expect( 15 );
var result,