/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt VS Tools.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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using System;
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using System.Windows;
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using System.Windows.Navigation;
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namespace QtVsTools.Wizards
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{
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public class WizardPage : PageFunction<WizardResult>
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{
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public string Header { get; set; }
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public string Message { get; set; }
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public WizardData Data { get; set; }
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public WizardWindow Wizard { get; set; }
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public bool PreviousButtonEnabled { get; set; }
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public bool NextButtonEnabled { get; set; }
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public bool FinishButtonEnabled { get; set; }
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public bool CancelButtonEnabled { get; set; }
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public event EventHandler NavigateForward;
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public event EventHandler NavigatedBackward;
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public event ReturnEventHandler<WizardResult> ReturnEx;
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public void OnReturnEx(ReturnEventArgs<WizardResult> e)
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{
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if (ReturnEx != null)
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ReturnEx.Invoke(this, e);
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}
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protected virtual void OnPreviousButtonClick(object sender, RoutedEventArgs e)
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{
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if (NavigationService == null || !NavigationService.CanGoBack)
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return;
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NavigationService.GoBack();
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OnNavigatedBackward(new EventArgs());
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}
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protected virtual void OnNextButtonClick(object sender, RoutedEventArgs e)
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{
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if (NavigationService == null || Wizard == null)
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return;
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try {
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OnNavigateForward(new EventArgs());
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} catch (InvalidOperationException) {
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return; // we can't navigate any further
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}
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if (!NavigationService.CanGoForward) {
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Wizard.NextPage.ReturnEx += OnPageReturn;
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NavigationService.Navigate(Wizard.NextPage);
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} else {
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NavigationService.GoForward();
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}
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}
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protected virtual void OnFinishButtonClick(object sender, RoutedEventArgs e)
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{
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OnReturnEx(new ReturnEventArgs<WizardResult>(WizardResult.Finished));
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}
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protected virtual void OnCancelButtonClick(object sender, RoutedEventArgs e)
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{
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OnReturnEx(new ReturnEventArgs<WizardResult>(WizardResult.Canceled));
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OnReturn(null);
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}
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protected virtual void OnNavigateForward(EventArgs e)
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{
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if (NavigateForward != null)
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NavigateForward.Invoke(this, e);
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}
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protected virtual void OnNavigatedBackward(EventArgs e)
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{
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if (NavigatedBackward != null)
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NavigatedBackward.Invoke(this, e);
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}
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private void OnPageReturn(object sender, ReturnEventArgs<WizardResult> e)
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{
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OnReturnEx(e);
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OnReturn(null);
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}
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}
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}
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