react-native-selectablesectionlistview - npm Package Compare versions

Comparing version 0.2.0 to 0.2.1

components/SelectableSectionsListView.js

@@ -42,2 +42,33 @@ 'use strict';
 
+  componentDidMount() {
+    // push measuring into the next tick
+    setTimeout(() => {
+      UIManager.measure(this.refs.view.getNodeHandle(), (x,y,w,h) => {
+        this.containerHeight = h;
+      });
+    }, 0);
+
+    // only if we have an object, the sidebar will show
+    // without it we don't need to know the total height
+    if (!Array.isArray(this.props.data)) {
+      this.calculateTotalHeight();
+    }
+  }
+
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.data !== this.props.data) {
+      this.calculateTotalHeight(nextProps.data);
+    }
+  }
+
+  calculateTotalHeight(data) {
+    data = data || this.props.data;
+    this.totalHeight = Object.keys(data)
+      .reduce((carry, key) => {
+        carry += data[key].length * this.props.cellHeight;
+        carry += this.props.sectionHeaderHeight;
+        return carry;
+      }, 0);
+  }
+
   updateTagInSectionMap(tag, section) {
@@ -52,3 +83,2 @@ this.sectionTagMap[section] = tag;
   scrollToSection(section) {
-
     if (!this.props.useDynamicHeights) {
@@ -67,4 +97,6 @@ var cellHeight = this.props.cellHeight;
       var y = numcells * cellHeight + sectionHeaderHeight;
+      var maxY = this.totalHeight-this.containerHeight;
+      y = y > maxY ? maxY : y;
+
       this.refs.listview.refs.listviewscroll.scrollTo(y, 0);
-
     } else {
@@ -182,3 +214,3 @@ // this breaks, if not all of the listview is pre-rendered!
     return (
-      <View style={[styles.container, this.props.style]}>
+      <View ref="view" style={[styles.container, this.props.style]}>
         <ListView
@@ -185,0 +217,0 @@ ref="listview"

package.json

 {
   "name": "react-native-selectablesectionlistview",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "A Listview with a sidebar to jump to sections directly",
@@ -5,0 +5,0 @@ "main": "index.js",

No alert changes

Improved metrics

Total package byte prevSize

16726

6.02%

Lines of code

440

7.06%

No dependency changes