qt-everywhere-src-5.14.1/qtwebengine/examples/webengine/customdialogs/forms/JavaScript.qml

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import QtQuick 2.4
import QtWebEngine 1.4

JavaScriptForm {
    property QtObject request
    signal closeForm()

    cancelButton.onClicked: {
        request.dialogReject();
        closeForm();
    }

    okButton.onClicked: {
        request.dialogAccept(prompt.text);
        closeForm();
    }

    Component.onCompleted: {
        switch (request.type) {
        case JavaScriptDialogRequest.DialogTypeAlert:
            cancelButton.visible = false;
            title = qsTr("Alert");
            message = request.message;
            prompt.text = "";
            prompt.visible = false;
            break;
        case JavaScriptDialogRequest.DialogTypeConfirm:
            title = qsTr("Confirm");
            message = request.message;
            prompt.text = "";
            prompt.visible = false;
            break;
        case JavaScriptDialogRequest.DialogTypePrompt:
            title = qsTr("Prompt");
            message = request.message;
            prompt.text = request.defaultText;
            prompt.visible = true;
            break;
        }
    }
}