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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtQuick 2.15
import HelperWidgets 2.0 as HelperWidgets
HelperWidgets.ComboBox {
id: comboBox
property alias typeFilter: itemFilterModel.typeFilter
manualMapping: true
editable: true
model: comboBox.addDefaultItem(itemFilterModel.itemModel)
validator: RegExpValidator { regExp: /(^$|^[a-z_]\w*)/ }
HelperWidgets.ItemFilterModel {
id: itemFilterModel
modelNodeBackendProperty: modelNodeBackend
}
property string defaultItem: qsTr("[None]")
property string textValue: comboBox.backendValue?.expression ?? ""
property bool block: false
property bool dirty: true
onTextValueChanged: {
if (comboBox.block)
return
comboBox.setCurrentText(comboBox.textValue)
}
onModelChanged: comboBox.setCurrentText(comboBox.textValue)
onCompressedActivated: function(index, reason) { comboBox.handleActivate(index) }
Component.onCompleted: comboBox.setCurrentText(comboBox.textValue)
onEditTextChanged: comboBox.dirty = true
onFocusChanged: {
if (comboBox.dirty)
comboBox.handleActivate(comboBox.currentIndex)
}
function handleActivate(index)
{
if (!comboBox.__isCompleted || comboBox.backendValue === undefined)
return
var cText = (index === -1) ? comboBox.editText : comboBox.textAt(index)
comboBox.block = true
comboBox.setCurrentText(cText)
comboBox.block = false
}
function setCurrentText(text)
{
if (!comboBox.__isCompleted || comboBox.backendValue === undefined)
return
comboBox.currentIndex = comboBox.find(text)
if (text === "" || text === "null") {
comboBox.currentIndex = 0
comboBox.editText = comboBox.defaultItem
} else {
if (comboBox.currentIndex === -1)
comboBox.editText = text
else if (comboBox.currentIndex === 0)
comboBox.editText = comboBox.defaultItem
}
if (comboBox.currentIndex === 0) {
comboBox.backendValue.resetValue()
} else {
if (comboBox.backendValue.expression !== comboBox.editText)
comboBox.backendValue.expression = comboBox.editText
}
comboBox.dirty = false
}
function addDefaultItem(arr)
{
var copy = arr.slice()
copy.unshift(comboBox.defaultItem)
return copy
}
}
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