Add a shortcut which jumps to top by Ctrl-G

browser/main/NoteList/index.js

@@ -42,6 +42,10 @@ class NoteList extends React.Component {
       this.alertIfSnippet()
     }
 
+    this.jumpToTopHandler = () => {
+      this.jumpToTop()
+    }
+
     this.state = {
     }
   }
@@ -52,6 +56,8 @@ class NoteList extends React.Component {
     ee.on('list:prior', this.selectPriorNoteHandler)
     ee.on('list:focus', this.focusHandler)
     ee.on('list:isMarkdownNote', this.alertIfSnippetHandler)
+    ee.on('list:top', this.jumpToTopHandler)
+    ee.on('list:jumpToTop', this.jumpToTopHandler)
   }
 
   componentWillReceiveProps (nextProps) {
@@ -71,6 +77,8 @@ class NoteList extends React.Component {
     ee.off('list:prior', this.selectPriorNoteHandler)
     ee.off('list:focus', this.focusHandler)
     ee.off('list:isMarkdownNote', this.alertIfSnippetHandler)
+    ee.off('list:top', this.jumpToTopHandler)
+    ee.off('list:jumpToTop', this.jumpToTopHandler)
   }
 
   componentDidUpdate (prevProps) {
@@ -324,6 +332,23 @@ class NoteList extends React.Component {
     }
   }
 
+  jumpToTop() {
+    if (this.notes == null || this.notes.length === 0) {
+      return
+    }
+    let { router } = this.context
+    let { location } = this.props
+
+    let targetIndex = 0
+
+    router.push({
+      pathname: location.pathname,
+      query: {
+        key: this.notes[targetIndex].storage + '-' + this.notes[targetIndex].key
+      }
+    })
+  }
+
   render () {
     let { location, notes, config } = this.props
     let sortFunc = config.sortBy === 'CREATED_AT'