Header.qml Example File

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 import QtQuick 2.7
 import QtQuick.Window 2.0
 import QtQuick.LocalStorage 2.0
 import "Database.js" as JS
 import QtQuick.Layouts 1.1

 Item {
     id: root
     width: Screen.width / 2
     height: Screen.height / 7

     function insertrec() {
         var rowid = parseInt(JS.dbInsert(dateInput.text, descInput.text, distInput.text), 10)
         if (rowid) {
             listView.model.setProperty(listView.currentIndex, "id", rowid)
             listView.forceLayout()
         }
         return rowid;
     }

     function editrec(Pdate, Pdesc, Pdistance, Prowid) {
         dateInput.text = Pdate
         descInput.text = Pdesc
         distInput.text = Pdistance
     }

     function initrec_new() {
         dateInput.clear()
         descInput.clear()
         distInput.clear()
         listView.model.insert(0, {
                                   date: "",
                                   trip_desc: "",
                                   distance: 0
                               })
         listView.currentIndex = 0
         dateInput.forceActiveFocus()
     }

     function initrec() {
         dateInput.clear()
         descInput.clear()
         distInput.clear()
     }

     function setlistview() {
         listView.model.setProperty(listView.currentIndex, "date",
                                    dateInput.text)
         listView.model.setProperty(listView.currentIndex, "trip_desc",
                                    descInput.text)
         listView.model.setProperty(listView.currentIndex, "distance",
                                    parseInt(distInput.text,10))
     }

     Rectangle {
         id: rootrect
         border.width: 10
         color: "#161616"

         ColumnLayout {
             id: mainLayout
             anchors.fill: parent

             Rectangle {
                 id: gridBox
                 Layout.fillWidth: true

                 GridLayout {
                     id: gridLayout
                     rows: 3
                     flow: GridLayout.TopToBottom
                     anchors.fill: parent

                     Text {
                         text: "Date"
                         font.pixelSize: 22
                         rightPadding: 10
                     }

                     Text {
                         text: "Description"
                         font.pixelSize: 22
                         rightPadding: 10
                     }

                     Text {
                         text: "Distance"
                         font.pixelSize: 22
                     }

                     TextInput {
                         id: dateInput
                         font.pixelSize: 22
                         activeFocusOnPress: true
                         activeFocusOnTab: true
                         validator: RegExpValidator {
                             regExp: /[0-9/,:.]+/
                         }
                         onEditingFinished: {
                             if (dateInput.text == "") {
                                 statustext.text = "Please fill in the date"
                                 dateInput.forceActiveFocus()
                             }
                         }
                     }

                     TextInput {
                         id: descInput
                         font.pixelSize: 22
                         activeFocusOnPress: true
                         activeFocusOnTab: true
                         onEditingFinished: {
                             if (descInput.text.length < 8) {
                                 statustext.text = "Enter a description of minimum 8 characters"
                                 descInput.forceActiveFocus()
                             } else {
                                 statustext.text = ""
                             }
                         }
                     }

                     TextInput {
                         id: distInput
                         font.pixelSize: 22
                         activeFocusOnPress: true
                         activeFocusOnTab: true
                         validator: RegExpValidator {
                             regExp: /\d{1,3}/
                         }
                         onEditingFinished: {
                             if (distInput.text == "") {
                                 statustext.text = "Please fill in the distance"
                                 distInput.forceActiveFocus()
                             }
                         }
                     }
                 }
             }

             MouseArea {
                 anchors.fill: parent
                 onClicked: dateInput.forceActiveFocus()
             }
         }
     }
 }