Overlay-vellen aanmaken

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import QtQuick 2.15
import QtQuick.Controls 2.15 as Controls
import QtQuick.Layouts 1.15
import org.kde.kirigami 2.20 as Kirigami

Kirigami.ApplicationWindow {
    id: root

    title: i18nc("@title:window", "Day Kountdown")

    globalDrawer: Kirigami.GlobalDrawer {
        isMenu: true
        actions: [
            Kirigami.Action {
                text: i18n("Quit")
                icon.name: "gtk-quit"
                shortcut: StandardKey.Quit
                onTriggered: Qt.quit()
            }
        ]
    }

    ListModel {
        id: kountdownModel
    }

    Component {
        id: kountdownDelegate
        Kirigami.AbstractCard {
            contentItem: Item {
                implicitWidth: delegateLayout.implicitWidth
                implicitHeight: delegateLayout.implicitHeight
                GridLayout {
                    id: delegateLayout
                    anchors {
                        left: parent.left
                        top: parent.top
                        right: parent.right
                    }
                    rowSpacing: Kirigami.Units.largeSpacing
                    columnSpacing: Kirigami.Units.largeSpacing
                    columns: root.wideScreen ? 4 : 2

                    Kirigami.Heading {
                        Layout.fillHeight: true
                        level: 1
                        text: i18n("%1 days", Math.round((date-Date.now())/86400000))
                    }

                    ColumnLayout {
                        Kirigami.Heading {
                            Layout.fillWidth: true
                            level: 2
                            text: name
                        }
                        Kirigami.Separator {
                            Layout.fillWidth: true
                            visible: description.length > 0
                        }
                        Controls.Label {
                            Layout.fillWidth: true
                            wrapMode: Text.WordWrap
                            text: description
                            visible: description.length > 0
                        }
                    }
                    Controls.Button {
                        Layout.alignment: Qt.AlignRight
                        Layout.columnSpan: 2
                        text: i18n("Edit")
                    }
                }
            }
        }
    }

    // Overlay sheets appear over a part of the window
    Kirigami.OverlaySheet {
        id: addSheet
        header: Kirigami.Heading {
            text: i18nc("@title:window", "Add kountdown")
        }
        // Form layouts help align and structure a layout with several inputs
        Kirigami.FormLayout {
            // Textfields let you input text in a thin textbox
            Controls.TextField {
                id: nameField
                // Provides label attached to the textfield
                Kirigami.FormData.label: i18nc("@label:textbox", "Name:")
                // Placeholder text is visible before you enter anything
                placeholderText: i18n("Event name (required)")
                // What to do after input is accepted (i.e. pressed enter)
                // In this case, it moves the focus to the next field
                onAccepted: descriptionField.forceActiveFocus()
            }
            Controls.TextField {
                id: descriptionField
                Kirigami.FormData.label: i18nc("@label:textbox", "Description:")
                placeholderText: i18n("Optional")
                onAccepted: dateField.forceActiveFocus()
            }
            Controls.TextField {
                id: dateField
                Kirigami.FormData.label: i18nc("@label:textbox", "Date:")
                placeholderText: i18n("YYYY-MM-DD")
                inputMask: "0000-00-00"
            }
            Controls.Button {
                id: doneButton
                Layout.fillWidth: true
                text: i18nc("@action:button", "Done")
                // Button is only enabled if the user has entered something into the nameField
                enabled: nameField.text.length > 0
                onClicked: {
                    // Add a listelement to the kountdownModel ListModel
                    kountdownModel.append({
                        name: nameField.text,
                        description: descriptionField.text,
                        date: Date.parse(dateField.text)
                    });
                    nameField.text = ""
                    descriptionField.text = ""
                    dateField.text = ""
                    addSheet.close();
                }
            }
        }
    }

    pageStack.initialPage: Kirigami.ScrollablePage {
        title: i18nc("@title", "Kountdown")

        // Kirigami.Action encapsulates a UI action. Inherits from Controls.Action
        actions.main: Kirigami.Action {
            id: addAction
            // Name of icon associated with the action
            icon.name: "list-add"
            // Action text, i18n function returns translated string
            text: i18nc("@action:button", "Add kountdown")
            // What to do when triggering the action
            onTriggered: addSheet.open()
        }

        Kirigami.CardsListView {
            id: layout
            model: kountdownModel
            delegate: kountdownDelegate
        }
    }
}