From ce26514758be550df4096480de1efc1333096ff7 Mon Sep 17 00:00:00 2001
From: Sonja Happ <sonja.happ@eonerc.rwth-aachen.de>
Date: Tue, 2 Jun 2020 17:16:13 +0200
Subject: [PATCH] Button widget toggles input signal #218

---
 src/ic/ic-data-store.js |  2 +-
 src/widget/widget.js    | 23 +++++++++++++++++++----
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/src/ic/ic-data-store.js b/src/ic/ic-data-store.js
index 6de8669..bca9a95 100644
--- a/src/ic/ic-data-store.js
+++ b/src/ic/ic-data-store.js
@@ -109,7 +109,7 @@ class ICDataStore extends ReduceStore {
         // update message properties
         state[action.ic].input.timestamp = Date.now();
         state[action.ic].input.sequence++;
-        state[action.ic].input.values[action.signal] = action.data;
+        state[action.ic].input.values[action.signal-1] = action.data;
 
         ICDataDataManager.send(state[action.ic].input, action.ic);
 
diff --git a/src/widget/widget.js b/src/widget/widget.js
index a2eb294..c611d52 100644
--- a/src/widget/widget.js
+++ b/src/widget/widget.js
@@ -72,8 +72,12 @@ class Widget extends React.Component {
 
     for (let id of props.data.signalIDs){
       let signal = signals.find(s => s.id === id);
-      let config = configs.find(m => m.id === signal.configID);
-      icIDs[signal.id] = config.icID;
+      if (signal !== undefined) {
+        let config = configs.find(m => m.id === signal.configID);
+        if (config !== undefined){
+          icIDs[signal.id] = config.icID;
+        }
+      }
     }
 
     return {
@@ -90,10 +94,21 @@ class Widget extends React.Component {
 
   inputDataChanged(widget, data) {
     // The following assumes that a widget modifies/ uses exactly one signal
+
+    // get the signal with the selected signal ID
+    let signalID = widget.signalIDs[0];
+    let signal = this.state.signals.filter(s => s.id === signalID)
+    if (signal.length === 0){
+      console.warn("Unable to send signal for signal ID", signalID, ". Signal not found.");
+      return;
+    }
+    // determine ID of infrastructure component related to signal[0]
+    // Remark: there is only one selected signal for an input type widget
+    let icID = this.state.icIDs[signal[0].id];
     AppDispatcher.dispatch({
       type: 'icData/inputChanged',
-      ic: this.state.icIDs[0],
-      signal: this.state.signals[0].index,
+      ic: icID,
+      signal: signal[0].index,
       data
     });
   }