Qt 5.13 | Getting Started Programming with Qt Quick

Qt 5.13.2 Reference Documentation

# Getting Started Programming with Qt Quick

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      import QtQuick 2.11
      import QtQuick.Controls 2.4
      import QtQuick.Layouts 1.11
      import QtQuick.Window 2.11

      Dialog {
          id: alarmDialog
          title: "Add new alarm"
          modal: true
          standardButtons: DialogButtonBox.Ok | DialogButtonBox.Cancel

          property AlarmModel alarmModel

          function formatNumber(number) {
              return number < 10 && number >= 0 ? "0" + number : number.toString()
          }

          onAccepted: {
              alarmModel.append({
                  "hour": hoursTumbler.currentIndex,
                  "minute": minutesTumbler.currentIndex,
                  "day": dayTumbler.currentIndex + 1,
                  "month": monthTumbler.currentIndex + 1,
                  "year": yearTumbler.years[yearTumbler.currentIndex],
                  "activated": true,
                  "label": "",
                  "repeat": false,
                  "daysToRepeat": [
                      { "dayOfWeek": 0, "repeat": false },
                      { "dayOfWeek": 1, "repeat": false },
                      { "dayOfWeek": 2, "repeat": false },
                      { "dayOfWeek": 3, "repeat": false },
                      { "dayOfWeek": 4, "repeat": false },
                      { "dayOfWeek": 5, "repeat": false },
                      { "dayOfWeek": 6, "repeat": false }
                  ],
              })
          }
          onRejected: alarmDialog.close()

          contentItem: RowLayout {
              RowLayout {
                  id: rowTumbler

                  Tumbler {
                      id: hoursTumbler
                      model: 24
                      delegate: TumblerDelegate {
                          text: formatNumber(modelData)
                      }
                  }
                  Tumbler {
                      id: minutesTumbler
                      model: 60
                      delegate: TumblerDelegate {
                          text: formatNumber(modelData)
                      }
                  }
              }

              RowLayout {
                  id: datePicker

                  Layout.leftMargin: 20

                  property alias dayTumbler: dayTumbler
                  property alias monthTumbler: monthTumbler
                  property alias yearTumbler: yearTumbler

                  readonly property var days: [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

                  Tumbler {
                      id: dayTumbler

                      function updateModel() {
                          // Populate the model with days of the month. For example: [0, ..., 30]
                          var previousIndex = dayTumbler.currentIndex
                          var array = []
                          var newDays = datePicker.days[monthTumbler.currentIndex]
                          for (var i = 1; i <= newDays; ++i)
                              array.push(i)
                          dayTumbler.model = array
                          dayTumbler.currentIndex = Math.min(newDays - 1, previousIndex)
                      }

                      Component.onCompleted: updateModel()

                      delegate: TumblerDelegate {
                          text: formatNumber(modelData)
                      }
                  }
                  Tumbler {
                      id: monthTumbler

                      onCurrentIndexChanged: dayTumbler.updateModel()

                      model: 12
                      delegate: TumblerDelegate {
                          text: window.locale.standaloneMonthName(modelData, Locale.ShortFormat)
                      }
                  }
                  Tumbler {
                      id: yearTumbler

                      // This array is populated with the next three years. For example: [2018, 2019, 2020]
                      readonly property var years: (function() {
                          var currentYear = new Date().getFullYear()
                          return [0, 1, 2].map(function(value) { return value + currentYear; })
                      })()

                      model: years
                      delegate: TumblerDelegate {
                          text: formatNumber(modelData)
                      }
                  }
              }
          }
      }