Merge branch 'dev' of https://lab.si.usi.ch/sa4-2020/the-sanmarinoes/frontend into dev

.mailmap

@@ -1 +1,8 @@
-Claudio Maggioni <maggicl@usi.ch> Claudio Maggioni <maggicl@kolabnow.ch>
+Claudio Maggioni <maggicl@usi.ch> Claudio Maggioni (maggicl) <maggicl@kolabnow.ch>
+Claudio Maggioni <maggicl@usi.ch> Claudio Maggioni (maggicl) <maggicl@usi.ch>
+Filippo Cesana <cesanf@usi.ch> FilippoCesana <cesanf@usi.ch>
+Filippo Cesana <cesanf@usi.ch> Fil Cesana <cesanf@usi.ch>
+Andrea Brites Marto <britea@usi.ch> britea <andreabritesma@gmail.com>
+Christian Capeáns Pérez <capeac@usi.ch> christiancp <capeac@usi.ch>
+Tommaso Rodolfo Masera <rodolt@usi.ch> tommi27 <tommi99@hotmail.it>
+

smart-hut/src/components/dashboard/DevicePanel.js

@@ -1,7 +1,7 @@
 // vim: set ts=2 sw=2 et tw=80:
 
 import React, { Component } from "react";
-import { Segment, Card } from "semantic-ui-react";
+import { Segment, Card, Header, Icon } from "semantic-ui-react";
 import Device from "./devices/Device";
 import NewDevice from "./devices/NewDevice";
 import { connect } from "react-redux";
@@ -25,6 +25,8 @@ class DevicePanel extends Component {
   render() {
     return (
       <Card.Group centered style={{ paddingTop: "3rem" }}>
+        {this.props.devices.length !== 0 ? (
+          <React.Fragment>
             {this.props.devices.map((e, i) => {
               return <Device key={i} tab={this.props.tab} id={e.id} />;
             })}
@@ -35,6 +37,19 @@ class DevicePanel extends Component {
                 </Segment>
               </Card>
             ) : null}
+          </React.Fragment>
+        ) : (
+          <Segment placeholder>
+            <Header icon>
+              <Icon
+                name="exclamation triangle"
+                style={{ paddingBottom: "1rem" }}
+              />
+              Please create a room on the left, and then add devices to the
+              same.
+            </Header>
+          </Segment>
+        )}
       </Card.Group>
     );
   }

smart-hut/src/components/dashboard/HostsPanel.js

@@ -19,12 +19,17 @@ class HostsPanel extends Component {
   render() {
     if (this.props.isActiveDefaultHost) {
       return (
-        <Segment placeholder style={{ paddingTop: "3rem" }}>
+        <Card.Group centered style={{ paddingTop: "3rem" }}>
+          <Segment placeholder>
             <Header icon>
-            <Icon name="folder open" />
+              <Icon
+                name="exclamation triangle"
+                style={{ paddingBottom: "1rem" }}
+              />
               Please select a host to visit on the left.
             </Header>
           </Segment>
+        </Card.Group>
       );
     }
 

smart-hut/src/components/dashboard/ScenesPanel.js

@@ -44,7 +44,10 @@ class ScenesPanel extends Component {
         ) : (
           <Segment placeholder>
             <Header icon>
-              <Icon name="folder open" />
+              <Icon
+                name="exclamation triangle"
+                style={{ paddingBottom: "1rem" }}
+              />
               Please select a scene on the left or add a new one.
             </Header>
           </Segment>

smart-hut/src/views/Signup.js

@@ -116,7 +116,7 @@ export default class Signup extends Component {
               <Form.Input
                 icon="lock"
                 iconPosition="left"
-                placeholder="Password (at least 8 characters)"
+                placeholder="Password (at least 6 characters)"
                 name="password"
                 type="password"
                 onChange={this.onChangeHandler}