localstorage.qml Example File

localstorage/localstorage/localstorage.qml
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import QtQuick 2.5 import QtQuick.Window 2.2 import QtQuick.Layouts 1.1 import QtQuick.LocalStorage 2.0 import "Database.js" as JS Window { visible: true width: Screen.width / 2 height: Screen.height / 1.8 color: "#161616" property bool creatingNewEntry: false property bool editingEntry: false Rectangle { anchors.fill: parent ColumnLayout { anchors.fill: parent Header { id: input Layout.fillWidth: true } RowLayout { MyButton { text: "New" onClicked: { input.initrec_new() creatingNewEntry = true listView.model.setProperty(listView.currentIndex, "id", 0) } } MyButton { id: saveButton enabled: (creatingNewEntry || editingEntry) && listView.currentIndex != -1 text: "Save" onClicked: { var insertedRow = false; if (listView.model.get(listView.currentIndex).id < 1) { //insert mode if (input.insertrec()) { // Successfully inserted a row. input.setlistview() insertedRow = true } else { // Failed to insert a row; display an error message. statustext.text = "Failed to insert row" } } else { // edit mode input.setlistview() JS.dbUpdate(listView.model.get(listView.currentIndex).date, listView.model.get(listView.currentIndex).trip_desc, listView.model.get(listView.currentIndex).distance, listView.model.get(listView.currentIndex).id) } if (insertedRow) { input.initrec() creatingNewEntry = false editingEntry = false listView.forceLayout() } } } MyButton { id: editButton text: "Edit" enabled: !creatingNewEntry && !editingEntry && listView.currentIndex != -1 onClicked: { input.editrec(listView.model.get(listView.currentIndex).date, listView.model.get(listView.currentIndex).trip_desc, listView.model.get(listView.currentIndex).distance, listView.model.get(listView.currentIndex).id) editingEntry = true } } MyButton { id: deleteButton text: "Delete" enabled: !creatingNewEntry && listView.currentIndex != -1 onClicked: { JS.dbDeleteRow(listView.model.get(listView.currentIndex).id) listView.model.remove(listView.currentIndex, 1) if (listView.count == 0) { // ListView doesn't automatically set its currentIndex to -1 // when the count becomes 0. listView.currentIndex = -1 } } } MyButton { id: cancelButton text: "Cancel" enabled: (creatingNewEntry || editingEntry) && listView.currentIndex != -1 onClicked: { if (listView.model.get(listView.currentIndex).id === 0) { // This entry had an id of 0, which means it was being created and hadn't // been saved to the database yet, so we can safely remove it from the model. listView.model.remove(listView.currentIndex, 1) } listView.forceLayout() creatingNewEntry = false editingEntry = false input.initrec() } } MyButton { text: "Exit" onClicked: Qt.quit() } } Component { id: highlightBar Rectangle { width: listView.currentItem.width height: listView.currentItem.height color: "lightgreen" } } ListView { id: listView Layout.fillWidth: true Layout.fillHeight: true model: MyModel {} delegate: MyDelegate {} // Don't allow changing the currentIndex while the user is creating/editing values. enabled: !creatingNewEntry && !editingEntry highlight: highlightBar highlightFollowsCurrentItem: true focus: true header: Component { Text { text: "Saved activities" } } } Text { id: statustext color: "red" Layout.fillWidth: true font.bold: true font.pointSize: 20 } } } Component.onCompleted: { JS.dbInit() } }

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