mirror of
https://github.com/xcp-ng/xenadmin.git
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424 lines
14 KiB
C#
424 lines
14 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Windows.Forms;
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using XenAdmin.Controls;
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using XenAdmin.Core;
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using XenAdmin.Help;
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using XenAdmin.Network;
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namespace XenAdmin.Wizards
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{
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public partial class XenWizardBase : Form, IFormWithHelp
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{
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protected static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private IXenConnection connection; // connection to use
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protected IXenConnection xenConnection
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{
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get { return connection; }
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set
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{
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connection = value;
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foreach (XenTabPage p in wizardProgress.Steps)
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{
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p.Connection = connection;
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}
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}
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}
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protected XenWizardBase()
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{
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InitializeComponent();
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Icon = Properties.Resources.AppIcon;
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}
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protected XenWizardBase(IXenConnection connection)
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: this()
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{
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this.connection = connection;
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}
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protected DeprecationBanner Banner
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{
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get { return deprecationBanner; }
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}
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/// <summary>
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/// Add a given page to the end of the wizard's page collection
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/// </summary>
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/// <param name="page">The page to add</param>
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protected void AddPage(XenTabPage page)
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{
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AddPage(page, -1);
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}
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/// <summary>
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/// Insert a page into the wizard's page collection at the specified index
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/// </summary>
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/// <param name="page">The page to add</param>
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/// <param name="index">The index at which the page will be inserted</param>
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protected void AddPage(XenTabPage page, int index)
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{
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xenTabControlBody.Controls.Add(page);
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page.Dock = DockStyle.Fill;
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page.WizardContentUpdater = UpdateWizardContent;
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page.NextPagePrecheck = RunNextPagePrecheck;
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page.Connection = connection;
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page.StatusChanged += page_StatusChanged;
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if (index == -1)
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wizardProgress.Steps.Add(page);
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else
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wizardProgress.Steps.Insert(index, page);
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}
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/// <summary>
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/// Add the given pages to the wizard one position after the supplied page
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/// </summary>
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/// <param name="existingPage">The existing page that the new page will be placed after</param>
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/// <param name="pages">The pages to add</param>
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protected void AddAfterPage(XenTabPage existingPage, params XenTabPage[] pages)
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{
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int index = wizardProgress.Steps.IndexOf(existingPage);
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for (int i = 0; i < pages.Length; i++)
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{
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var page = pages[i];
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AddPage(page, index + 1 + i);
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}
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}
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protected void AddPages(params XenTabPage[] pages)
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{
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foreach (var page in pages)
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AddPage(page);
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}
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protected void RemovePage(XenTabPage page)
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{
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xenTabControlBody.Controls.Remove(page);
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page.StatusChanged -= page_StatusChanged;
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page.WizardContentUpdater = null;
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page.NextPagePrecheck = null;
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wizardProgress.Steps.Remove(page);
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}
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protected void RemovePages(params XenTabPage[] pages)
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{
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foreach (var page in pages)
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RemovePage(page);
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}
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/// <summary>
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/// Removes pages at a certain index
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/// </summary>
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protected void RemovePageAt(int index)
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{
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if (wizardProgress.Steps.Count > index)
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wizardProgress.Steps.RemoveAt(index);
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}
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/// <summary>
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/// Removes pages from a certain index and above
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/// </summary>
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protected void RemovePagesFrom(int startIndex)
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{
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if (wizardProgress.Steps.Count > startIndex)
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wizardProgress.Steps.RemoveRange(startIndex, wizardProgress.Steps.Count - startIndex);
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}
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private void WizardProgress_EnteringStep(object sender, WizardProgressEventArgs e)
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{
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xenTabControlBody.SelectedTab = wizardProgress.CurrentStepTabPage;
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wizardProgress.CurrentStepTabPage.PageLoaded(e.IsForwardsTransition ? PageLoadedDirection.Forward : PageLoadedDirection.Back);
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wizardProgress.CurrentStepTabPage.SelectDefaultControl();
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UpdateWizard();
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if (wizardProgress.IsLastStep)
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{
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// Ensure the finish button always has focus when last page is showing.
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if (buttonNext.CanFocus)
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buttonNext.Focus();
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}
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}
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private void WizardProgress_LeavingStep(object sender, WizardProgressEventArgs e)
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{
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wizardProgress.CurrentStepTabPage.PageLeave(e.IsForwardsTransition ? PageLoadedDirection.Forward : PageLoadedDirection.Back, ref e.Cancelled);
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UpdateWizard();
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}
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#region Button event handlers
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private void buttonNext_Click(object sender, EventArgs e)
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{
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if (wizardProgress.IsLastStep)
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{
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var args = new WizardProgressEventArgs(true);
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WizardProgress_LeavingStep(CurrentStepTabPage, args);
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if (args.Cancelled)
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return;
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wizardFinished = true;
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FinishWizard();
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}
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else
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{
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NextStep();
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// update main text from selected tab in case it was changed between substeps
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SetTitle();
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}
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}
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private void buttonPrevious_Click(object sender, EventArgs e)
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{
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wizardProgress.PreviousStep();
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// update main text from selected tab in case it was changed between substeps
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SetTitle();
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}
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private void buttonCancel_Click(object sender, EventArgs e)
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{
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Close();
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}
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#endregion
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/// <summary>
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/// Updates the next wizard pages with content provided by the last visited page
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/// </summary>
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/// <param name="senderPage">The last visited page</param>
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protected virtual void UpdateWizardContent(XenTabPage senderPage)
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{
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}
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protected virtual bool RunNextPagePrecheck(XenTabPage senderPage)
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{
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return true;
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}
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protected void NotifyNextPagesOfChange(params XenTabPage[] pages)
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{
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foreach (var p in pages)
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p.IsFirstLoad = true;
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}
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protected virtual void OnCancel(ref bool cancel)
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{
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wizardProgress.CurrentStepTabPage.PageCancelled(ref cancel);
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DialogResult = DialogResult.Cancel;
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}
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bool wizardFinished = false;
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protected virtual void FinishWizard()
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{
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DialogResult = DialogResult.OK;
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Close();
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Dispose();
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}
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protected void FinishCanceled()
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{
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wizardFinished = false;
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WizardProgress_EnteringStep(null, new WizardProgressEventArgs(false));
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}
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protected override void OnClosed(EventArgs e)
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{
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base.OnClosed(e);
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if (Owner != null)
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Owner.Focus();
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}
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private void XenWizardBase_FormClosing(object sender, FormClosingEventArgs e)
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{
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if (wizardFinished)
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return;
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bool cancel = false;
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OnCancel(ref cancel);
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e.Cancel = cancel;
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}
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/// <summary>
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/// The help ID as sent to HelpManager when the user requests help on a given wizard page.
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/// The base implementation returns [typeName]_[CurrentStepTabPage.HelpID]Pane.
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/// Override this function or XenTabPage.HelpID if necessary (for example, some wizards have
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/// a single help ID for the whole wizard).
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/// </summary>
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protected virtual string WizardPaneHelpID()
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{
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return FormatHelpId(wizardProgress.CurrentStepTabPage.HelpID);
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}
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protected string FormatHelpId(string id)
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{
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return string.Format("{0}_{1}Pane", GetType().Name, id);
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}
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public bool HasHelp()
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{
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return HelpManager.TryGetTopicId(WizardPaneHelpID(), out _);
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}
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private void HelpButton_Click(object sender, EventArgs e)
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{
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Help.HelpManager.Launch(WizardPaneHelpID());
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}
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private void XenWizardBase_HelpRequested(object sender, HelpEventArgs hlpevent)
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{
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Help.HelpManager.Launch(WizardPaneHelpID());
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}
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private void XenWizardBase_Load(object sender, EventArgs e)
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{
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if (Owner == null)
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Owner = Program.MainWindow;
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CenterToParent();
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FormFontFixer.Fix(this);
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if (wizardProgress.Steps.Count == 0)
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return;
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xenTabControlBody.SelectedTab = wizardProgress.Steps[0];
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wizardProgress.CurrentStepTabPage.PageLoaded(PageLoadedDirection.Forward);
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UpdateWizard();
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}
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private void XenWizardBase_KeyPress(object sender, KeyPressEventArgs e)
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{
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if (e.KeyChar == (char)Keys.Enter)
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{
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if (buttonNext.CanSelect)
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buttonNext.Select();
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buttonNext.PerformClick();
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}
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}
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[Browsable(false)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public XenTabPage CurrentStepTabPage
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{
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get
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{
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return wizardProgress.CurrentStepTabPage;
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}
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}
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public void NextStep()
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{
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wizardProgress.NextStep();
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}
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public void PreviousStep()
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{
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wizardProgress.PreviousStep();
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}
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public bool IsFirstPage()
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{
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return wizardProgress.IsFirstStep;
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}
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protected void RefreshProgress()
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{
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wizardProgress.Refresh();
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}
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private void SetTitle()
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{
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labelWizard.Text = wizardProgress.CurrentStepTabPage.PageTitle;
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}
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protected void UpdateWizard()
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{
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buttonPrevious.Enabled = !wizardProgress.IsFirstStep && wizardProgress.CurrentStepTabPage.EnablePrevious();
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buttonNext.Enabled = wizardProgress.IsLastStep
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? !wizardFinished && wizardProgress.CurrentStepTabPage.EnableNext()
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: wizardProgress.CurrentStepTabPage.EnableNext();
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buttonCancel.Enabled = wizardProgress.CurrentStepTabPage.EnableCancel();
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SetTitle();
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buttonNext.Text = wizardProgress.CurrentStepTabPage.NextText(wizardProgress.IsLastStep);
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}
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private void page_StatusChanged(XenTabPage sender)
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{
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UpdateWizard();
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}
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internal void DisablePage(XenTabPage wizardTabPage, bool disable)
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{
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foreach (XenTabPage p in wizardProgress.Steps)
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if (p == wizardTabPage)
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{
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p.DisableStep = disable;
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return;
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}
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}
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protected virtual IEnumerable<KeyValuePair<string, string>> GetSummary()
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{
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var entries = new List<KeyValuePair<string, string>>();
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foreach (XenTabPage page in wizardProgress.Steps)
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entries.AddRange(page.PageSummary);
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return entries;
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}
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protected virtual void ShowInformationMessage(string message)
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{
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labelGeneralInformationMessage.Text = message;
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panelGeneralInformationMessage.Visible = true;
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}
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protected virtual void HideInformationMessage()
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{
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panelGeneralInformationMessage.Visible = false;
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}
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}
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}
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