fix(ExclusiveButtons): supports unlimited buttons

tests/ui/components/form/ExclusiveButtons.qml

@@ -3,45 +3,31 @@ import QtQuick 2.7
 // ===================================================================
 
 Row {
-    property alias text1: button1.text
-    property alias text2: button2.text
-
-    property bool button1IsSelected: true
+    property int selectedButton: 0
+    property variant texts
 
     signal buttonChanged (int button)
 
     spacing: 8
 
+    Repeater {
+        model: texts
         SmallButton {
             anchors.verticalCenter: parent.verticalCenter
-        backgroundColor: button1IsSelected
+            backgroundColor: selectedButton === index
                 ? '#8E8E8E'
-            : (button1.down
+                : (button.down
                    ? '#FE5E00'
                    : '#D1D1D1'
                   )
-        id: button1
-        onClicked: {
-            if (!button1IsSelected) {
-                button1IsSelected = true
-                buttonChanged(1)
-            }
-        }
-    }
+            id: button
+            text: modelData
 
-    SmallButton {
-        anchors.verticalCenter: parent.verticalCenter
-        backgroundColor: !button1IsSelected
-            ? '#8E8E8E'
-            : (button2.down
-               ? '#FE5E00'
-               : '#D1D1D1'
-              )
-        id: button2
             onClicked: {
-            if (button1IsSelected) {
-                button1IsSelected = false
-                buttonChanged(2)
+                if (selectedButton !== index) {
+                    selectedButton = index
+                    buttonChanged(index)
+                }
             }
         }
     }

tests/ui/views/mainWindow/contacts.qml

@@ -35,8 +35,10 @@ ColumnLayout {
 
             ExclusiveButtons {
                 Layout.preferredHeight: parent.height
-                text1: qsTr('selectAllContacts')
-                text2: qsTr('selectConnectedContacts')
+                texts: [
+                    qsTr('selectAllContacts'),
+                    qsTr('selectConnectedContacts')
+                ]
             }
 
             LightButton {