/****************************************************************************
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**
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** Copyright (C) 2022 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.Collections.Generic;
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using System.Linq;
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using System.Windows.Controls;
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using System.Windows.Data;
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using Microsoft.Internal.VisualStudio.PlatformUI;
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using Microsoft.VisualStudio;
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using Microsoft.VisualStudio.PlatformUI;
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using Microsoft.VisualStudio.Shell;
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using Microsoft.VisualStudio.Shell.Interop;
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namespace QtVsTools.VisualStudio
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{
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public class SearchTask : VsSearchTask
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{
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private readonly Action _clearCallback = null;
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private readonly Func<IEnumerable<string>, uint> _searchCallBack = null;
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public SearchTask(uint cookie, IVsSearchQuery query, IVsSearchCallback callback,
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Action clearCallback, Func<IEnumerable<string>, uint> searchCallBack)
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: base(cookie, query, callback)
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{
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_clearCallback = clearCallback;
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_searchCallBack = searchCallBack;
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}
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protected override void OnStartSearch()
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{
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ErrorCode = VSConstants.S_OK;
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try {
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_ = ThreadHelper.JoinableTaskFactory.RunAsync(async () =>
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{
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await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
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if (TaskStatus != VSConstants.VsSearchTaskStatus.Stopped) {
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SearchResults = _searchCallBack(
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SearchUtilities.ExtractSearchTokens(SearchQuery).Select(token =>
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{
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ThreadHelper.ThrowIfNotOnUIThread();
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return token.ParsedTokenText;
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})
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);
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} else if (TaskStatus == VSConstants.VsSearchTaskStatus.Stopped) {
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_clearCallback();
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}
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});
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} catch {
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ErrorCode = VSConstants.E_FAIL;
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}
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base.OnStartSearch();
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}
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protected override void OnStopSearch()
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{
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SearchResults = 0;
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}
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}
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public abstract class VsWindowSearch : IVsWindowSearch
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{
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public abstract IVsSearchTask CreateSearch(uint cookie, IVsSearchQuery query,
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IVsSearchCallback callback);
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public virtual void ClearSearch()
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{}
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public virtual void ProvideSearchSettings(IVsUIDataSource settings)
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{
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Utilities.SetValue(settings, SearchSettingsDataSource.PropertyNames.ControlMaxWidth,
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(uint)10000);
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Utilities.SetValue(settings, SearchSettingsDataSource.PropertyNames.SearchStartType,
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(uint)VSSEARCHSTARTTYPE.SST_INSTANT);
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}
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public virtual bool OnNavigationKeyDown(uint dwNavigationKey, uint dwModifiers) => false;
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public virtual bool SearchEnabled => true;
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public virtual Guid Category => Guid.Empty;
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public virtual IVsEnumWindowSearchFilters SearchFiltersEnum => null;
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public virtual IVsEnumWindowSearchOptions SearchOptionsEnum => null;
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}
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public class ListBoxSearch : VsWindowSearch
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{
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private readonly ListBox _listBox = null;
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private Action<string> _setSearchText = null;
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public ListBoxSearch(ListBox listBox, Action<string> action)
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{
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_listBox = listBox;
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_setSearchText = action;
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}
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public override IVsSearchTask CreateSearch(uint cookie, IVsSearchQuery query,
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IVsSearchCallback callback)
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{
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return new SearchTask(cookie, query, callback, ClearSearch,
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searchCallBack: (IEnumerable<string> tokens) =>
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{
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_setSearchText(string.Join(" ", tokens));
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var view = CollectionViewSource.GetDefaultView(_listBox.ItemsSource);
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view.Refresh();
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if (_listBox.Items.Count == 1 || _listBox.SelectedItem == null)
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_listBox.SelectedIndex = 0;
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return (uint)view.Cast<object>().Count();
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});
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}
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public override void ClearSearch()
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{
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_setSearchText(string.Empty);
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CollectionViewSource.GetDefaultView(_listBox.ItemsSource).Refresh();
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}
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}
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}
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