Accept 2 new props for DrawerItems (disabled, handlesDrawerToggle)

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 .exponent
 lib/
+.idea

README.md

@@ -555,6 +555,8 @@ const styles = StyleSheet.create({
 });
 ```
 
+See [ExNavigationDrawerLayout](https://github.com/exponentjs/ex-navigation/blob/master/src/drawer/ExNavigationDrawerLayout.js)
+to discover which props you can pass to `DrawerNavigationItem`.
 
 ### Integrate with your existing Redux store
 

src/drawer/ExNavigationDrawerLayout.js

@@ -76,13 +76,13 @@ export default class ExNavigationDrawerLayout extends React.Component {
     }
 
     return this.props.items.map((item, index) => {
-      let { renderIcon, renderTitle, renderRight } = item;
+      let { renderIcon, renderTitle, renderRight, disabled } = item;
       let isSelected = this.props.selectedItem === item.id;
-      const icon = renderIcon && renderIcon(isSelected);
-      const title = renderTitle && renderTitle(isSelected);
-      const rightElement = renderRight && renderRight(isSelected);
+      const icon = renderIcon && renderIcon(isSelected, disabled);
+      const title = renderTitle && renderTitle(isSelected, disabled);
+      const rightElement = renderRight && renderRight(isSelected, disabled);
 
-      if (item.showsTouches !== false) {
+      if (item.showsTouches !== false && !disabled) {
         return (
           <TouchableNativeFeedbackSafe
             key={index}
@@ -108,6 +108,7 @@ export default class ExNavigationDrawerLayout extends React.Component {
         return (
           <TouchableWithoutFeedback
             key={index}
+            disabled={disabled}
             onPress={() => { this._handlePress(item); }}
             onLongPress={() => { this._handleLongPress(item); }}>
             <View style={[styles.buttonContainer, isSelected ? item.selectedStyle : item.style]}>
@@ -132,7 +133,10 @@ export default class ExNavigationDrawerLayout extends React.Component {
   //
   _handlePress = (item: any) => {
     item.onPress();
-    this._component.closeDrawer();
+
+    if (!item.handlesDrawerToggle) {
+      this._component.closeDrawer();
+    }
   }
 
   _handleLongPress = (item: any) => {
@@ -141,7 +145,10 @@ export default class ExNavigationDrawerLayout extends React.Component {
     }
 
     item.onLongPress();
-    this._component.closeDrawer();
+
+    if (!item.handlesDrawerToggle) {
+      this._component.closeDrawer();
+    }
   }
 }