I would disable button after other button_click event and enable again after timer timeout. I tried with Timer and States with PropertyChanged, but it doesn't work.
How I can send a qml signal to reload/refresh the page?

When i click on id_button_add I would disable Id_button_edit and start a timer for 3 seconds. When the timer timeouts I enable already the id_button_edit.

Here is my code.

Qt Code: 
  1. import QtQuick 2.0
  2. import QtQuick.Layouts 1.3
  3.  
  4. import "../items"
  5. import ch.example 1.0
  6.  
  7. Item {
  8. id: id_root
  9. z: 2
  10.  
  11. property bool prepare_delete: false
  12. property string button_edit_enable_state: "enabled"
  13.  
  14. anchors.left: parent ? parent.left : undefined
  15. anchors.right: parent ? parent.right : undefined
  16.  
  17. Connections {
  18.     target: id_root.ListView.view
  19.     onCurrentIndexChanged: {
  20.         prepare_delete = false
  21.     }
  22. }
  23.  
  24. function update_remove_enable() {
  25.     id_button_remove.button_enabled = ui_resident_model.sourceModel.rowCount() > 1
  26. }
  27.  
  28. Component.onCompleted: {
  29.     ui_resident_model.sourceModel.onRowsInserted.connect(update_remove_enable)
  30.     ui_resident_model.sourceModel.onRowsRemoved.connect(update_remove_enable)
  31.     update_remove_enable()
  32. }
  33.  
  34. Rectangle {
  35.     anchors.fill: parent
  36.  
  37.     color: "transparent"
  38.     border {
  39.         color: touchpanel_style.foreground_color
  40.         width: touchpanel_style.line_width
  41.     }
  42. }
  43.  
  44. RowLayout {
  45.     anchors.left: parent.left
  46.     anchors.margins: touchpanel_style.margin
  47.     anchors.verticalCenter: parent.verticalCenter
  48.  
  49.     .
  50.     .
  51.     .
  52.     .
  53. }
  54.  
  55. RowLayout {
  56.     id: id_content
  57.     anchors.right: parent.right
  58.     anchors.margins: touchpanel_style.margin
  59.     anchors.verticalCenter: parent.verticalCenter
  60.  
  61.     state: button_edit_enable_state
  62.  
  63.     states: [
  64.         State {
  65.             name: "enabled"
  66.             PropertyChanges { target: id_button_edit; enabled: true }
  67.         },
  68.         State {
  69.             name: "disabled"
  70.             PropertyChanges { target: id_button_edit; enabled: false }
  71.         }
  72.     ]
  73.  
  74.     Timer {
  75.         id: serviceListItemTimer
  76.         interval: 3000
  77.         running: false
  78.         repeat: false
  79.         onTriggered: {
  80.             console.log("onTriggered")
  81.             button_edit_enable_state = "enabled"
  82.         }
  83.     }
  84.  
  85.     IconButton {
  86.         id: id_button_edit
  87.         objectName: "button_edit"
  88.         Layout.fillHeight: true
  89.         width: height
  90.  
  91.         icon_factor: 1.35
  92.         icon_source: "../icons/edit.png"
  93.  
  94.         onButtonClick: {
  95.             prepare_delete = false
  96.             loader.source = "../service_menu/ResidentEdit.qml";
  97.             loader.item.onCancel.connect(cancel_edit)
  98.             loader.item.onTimeout.connect(timeout)
  99.             loader.item.model = id_root.ListView.view.currentItem.resident_model
  100.         }
  101.  
  102.         function cancel_edit() {
  103.             loader.source = ""
  104.         }
  105.     }
  106.  
  107.     IconButton {
  108.         id: id_button_add
  109.         objectName: "button_add"
  110.         Layout.fillHeight: true
  111.         width: height
  112.  
  113.         icon_factor: 1.35
  114.         icon_source: "../icons/resident_add.svg"
  115.  
  116.         onButtonClick: {
  117.             console.log("btn_add")
  118.             button_edit_enable_state = "disabled"
  119.             serviceListItemTimer.start()
  120.             //serviceListItemTimer.running = true
  121.             var index = id_root.ListView.view.currentIndex;
  122.             id_root.ListView.view.model.createItem(index);
  123.             set_index(index);
  124.         }
  125.     }
  126. }
  127. }
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