Update project explorer layout
[arvados-workbench2.git] / src / components / breadcrumbs / breadcrumbs.tsx
index 6c2d1fb22afeaf4127d19338ebb307b48abb4f54..25f30a1bdae5da9abc02fb6a9f7bcb511ce7a942 100644 (file)
@@ -8,72 +8,51 @@ import ChevronRightIcon from '@material-ui/icons/ChevronRight';
 import { withStyles } from '@material-ui/core';
 
 export interface Breadcrumb {
-    label: string
+    label: string;
 }
 
-interface BreadcrumbsDataProps {
-    items: Breadcrumb[]
+interface BreadcrumbsProps {
+    items: Breadcrumb[];
+    onClick: (breadcrumb: Breadcrumb) => void;
 }
 
-interface BreadcrumbsActionProps {
-    onClick: (breadcrumb: Breadcrumb) => any
-}
-
-type BreadcrumbsProps = BreadcrumbsDataProps & BreadcrumbsActionProps & WithStyles<CssRules>;
-
-class Breadcrumbs extends React.Component<BreadcrumbsProps> {
-
-    render() {
-        const { classes, onClick } = this.props;
-        return <Grid container alignItems="center">
-            {
-                this.getInactiveItems().map((item, index) => (
+const Breadcrumbs: React.SFC<BreadcrumbsProps & WithStyles<CssRules>> = ({ classes, onClick, items }) => {
+    return <Grid container alignItems="center">
+        {
+            items.map((item, index) => {
+                const isLastItem = index === items.length - 1;
+                return (
                     <React.Fragment key={index}>
                         <Button
                             color="inherit"
-                            className={classes.inactiveItem}
+                            className={isLastItem ? classes.currentItem : classes.item}
                             onClick={() => onClick(item)}
                         >
                             {item.label}
                         </Button>
-                        <ChevronRightIcon color="inherit" className={classes.inactiveItem} />
+                        {
+                            !isLastItem && <ChevronRightIcon color="inherit" className={classes.item} />
+                        }
                     </React.Fragment>
-                ))
-            }
-            {
-                this.getActiveItem().map((item, index) => (
-                    <Button
-                        color="inherit"
-                        key={index}
-                        onClick={() => onClick(item)}
-                    >
-                        {item.label}
-                    </Button>
-                ))
-            }
-        </Grid>
-    }
-
-    getInactiveItems = () => {
-        return this.props.items.slice(0, -1)
-    }
-
-    getActiveItem = () => {
-        return this.props.items.slice(-1)
-    }
-
-}
+                );
+            })
+        }
+    </Grid>;
+};
 
-type CssRules = 'inactiveItem'
+type CssRules = "item" | "currentItem";
 
 const styles: StyleRulesCallback<CssRules> = theme => {
-    const { unit } = theme.spacing
+    const { unit } = theme.spacing;
     return {
-        inactiveItem: {
+        item: {
             opacity: 0.6
+        },
+        currentItem: {
+            opacity: 1
         }
-    }
-}
+    };
+};
 
-export default withStyles(styles)(Breadcrumbs)
+export default withStyles(styles)(Breadcrumbs);