constantify css values for easier port

This commit is contained in:
Christopher Chedeau
2014-04-18 10:08:16 -07:00
parent 8af40c07ce
commit f55bece86e

View File

@@ -121,9 +121,25 @@ function computeLayout(node) {
column: 'height' column: 'height'
}; };
var CSS_FLEX_DIRECTION_ROW = 'row';
var CSS_FLEX_DIRECTION_COLUMN = 'column';
var CSS_JUSTIFY_FLEX_START = 'flex-start';
var CSS_JUSTIFY_CENTER = 'center';
var CSS_JUSTIFY_FLEX_END = 'flex-end';
var CSS_JUSTIFY_SPACE_BETWEEN = 'space-between';
var CSS_JUSTIFY_SPACE_AROUND = 'space-around';
var CSS_ALIGN_FLEX_START = 'flex-start';
var CSS_ALIGN_CENTER = 'center';
var CSS_ALIGN_FLEX_END = 'flex-end';
var CSS_ALIGN_STRETCH = 'stretch';
function layoutNode(node) { function layoutNode(node) {
var mainAxis = getFlexDirection(node); var mainAxis = getFlexDirection(node);
var crossAxis = mainAxis == 'row' ? 'column' : 'row'; var crossAxis = mainAxis == CSS_FLEX_DIRECTION_ROW ?
CSS_FLEX_DIRECTION_COLUMN :
CSS_FLEX_DIRECTION_ROW;
var mainDimInStyle = dim[mainAxis] in node.style; var mainDimInStyle = dim[mainAxis] in node.style;
if (isUndefined(node.layout[dim[mainAxis]]) && mainDimInStyle) { if (isUndefined(node.layout[dim[mainAxis]]) && mainDimInStyle) {
@@ -166,15 +182,15 @@ function computeLayout(node) {
} }
} else { } else {
var justifyContent = getJustifyContent(node); var justifyContent = getJustifyContent(node);
if (justifyContent == 'flex-start') { if (justifyContent == CSS_JUSTIFY_FLEX_START) {
// Do nothing // Do nothing
} else if (justifyContent == 'flex-end') { } else if (justifyContent == CSS_JUSTIFY_CENTER) {
leadingMainDim = remainingMainDim;
} else if (justifyContent == 'center') {
leadingMainDim = remainingMainDim / 2; leadingMainDim = remainingMainDim / 2;
} else if (justifyContent == 'space-between') { } else if (justifyContent == CSS_JUSTIFY_FLEX_END) {
leadingMainDim = remainingMainDim;
} else if (justifyContent == CSS_JUSTIFY_SPACE_BETWEEN) {
betweenMainDim = remainingMainDim / (node.children.length - 1); betweenMainDim = remainingMainDim / (node.children.length - 1);
} else if (justifyContent == 'space-around') { } else if (justifyContent == CSS_JUSTIFY_SPACE_AROUND) {
betweenMainDim = remainingMainDim / node.children.length; betweenMainDim = remainingMainDim / node.children.length;
leadingMainDim = betweenMainDim / 2; leadingMainDim = betweenMainDim / 2;
} }
@@ -215,13 +231,13 @@ function computeLayout(node) {
getPadding(node, trailing[crossAxis]); getPadding(node, trailing[crossAxis]);
var leadingCrossDim = getPadding(node, leading[crossAxis]); var leadingCrossDim = getPadding(node, leading[crossAxis]);
if (alignItem == 'flex-start') { if (alignItem == CSS_ALIGN_FLEX_START) {
// Do nothing // Do nothing
} else if (alignItem == 'center') { } else if (alignItem == CSS_ALIGN_CENTER) {
leadingCrossDim += remainingCrossDim / 2; leadingCrossDim += remainingCrossDim / 2;
} else if (alignItem == 'flex-end') { } else if (alignItem == CSS_ALIGN_FLEX_END) {
leadingCrossDim += remainingCrossDim; leadingCrossDim += remainingCrossDim;
} else if (alignItem == 'stretch') { } else if (alignItem == CSS_ALIGN_STRETCH) {
child.layout[dim[crossAxis]] = node.layout[dim[crossAxis]] - child.layout[dim[crossAxis]] = node.layout[dim[crossAxis]] -
getPadding(node, leading[crossAxis]) - getPadding(node, leading[crossAxis]) -
getPadding(node, trailing[crossAxis]) - getPadding(node, trailing[crossAxis]) -