Merge pull request #3197 from newoga/#2852/flat-button-label

[Button] Remove style-propable mixin from flat-button-label

src/buttons/flat-button-label.jsx

@@ -1,8 +1,21 @@
 import React from 'react';
 import ContextPure from '../mixins/context-pure';
-import StylePropable from '../mixins/style-propable';
 import getMuiTheme from '../styles/getMuiTheme';
 
+function getStyles(props, state) {
+  const {
+    baseTheme,
+  } = state.muiTheme;
+
+  return {
+    root: {
+      position: 'relative',
+      paddingLeft: baseTheme.spacing.desktopGutterLess,
+      paddingRight: baseTheme.spacing.desktopGutterLess,
+    },
+  };
+}
+
 const FlatButtonLabel = React.createClass({
 
   propTypes: {
@@ -18,14 +31,12 @@ const FlatButtonLabel = React.createClass({
     muiTheme: React.PropTypes.object,
   },
 
-  //for passing default theme context to children
   childContextTypes: {
     muiTheme: React.PropTypes.object,
   },
 
   mixins: [
     ContextPure,
-    StylePropable,
   ],
 
   statics: {
@@ -48,11 +59,10 @@ const FlatButtonLabel = React.createClass({
     };
   },
 
-  //to update theme inside state whenever a new theme is passed down
-  //from the parent / owner using context
   componentWillReceiveProps(nextProps, nextContext) {
-    let newMuiTheme = nextContext.muiTheme ? nextContext.muiTheme : this.state.muiTheme;
-    this.setState({muiTheme: newMuiTheme});
+    this.setState({
+      muiTheme: nextContext.muiTheme || nextContext.muiTheme,
+    });
   },
 
   render: function() {
@@ -61,19 +71,16 @@ const FlatButtonLabel = React.createClass({
       style,
     } = this.props;
 
-    const contextKeys = this.constructor.getRelevantContextKeys(this.state.muiTheme);
+    const {
+      prepareStyles,
+    } = this.state.muiTheme;
 
-    const mergedRootStyles = this.mergeStyles({
-      position: 'relative',
-      paddingLeft: contextKeys.spacingDesktopGutterLess,
-      paddingRight: contextKeys.spacingDesktopGutterLess,
-    }, style);
+    const styles = getStyles(this.props, this.state);
 
     return (
-      <span style={this.prepareStyles(mergedRootStyles)}>{label}</span>
+      <span style={prepareStyles(Object.assign(styles.root, style))}>{label}</span>
     );
   },
-
 });
 
 export default FlatButtonLabel;