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https://github.com/microsoft/PowerToys.git
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Refactor MainWindow with MVVM
- Add MVVM structure(BaseViewModel) - Create ViewModel for MainWindow - Refactor MainWindow.xaml to support MVVM - Move PublicAPI implementation from MainViewModel to PublicAPIInstance
This commit is contained in:
Colin Liu
449
Wox/ViewModel/MainViewModel.cs
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449
Wox/ViewModel/MainViewModel.cs
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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.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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using Wox.Core.Plugin;
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using Wox.Core.Resource;
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using Wox.Infrastructure;
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using Wox.Infrastructure.Hotkey;
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using Wox.Plugin;
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using Wox.Storage;
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namespace Wox.ViewModel
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{
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public class MainViewModel : BaseViewModel
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{
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#region Private Fields
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private ResultPanelViewModel _searchResultPanel;
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private ResultPanelViewModel _actionPanel;
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private string _queryText;
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private bool _isVisible;
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private bool _isSearchResultPanelVisible;
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private bool _isActionPanelVisible;
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private bool _isProgressBarVisible;
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private bool _isProgressBarTooltipVisible;
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private double _left;
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private double _top;
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private bool _queryHasReturn;
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private Query _lastQuery = new Query();
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private bool _ignoreTextChange;
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private List<Result> CurrentContextMenus = new List<Result>();
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private string _textBeforeEnterContextMenuMode;
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#endregion
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#region Constructor
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public MainViewModel()
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{
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this.InitializeResultPanel();
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this.InitializeActionPanel();
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this.InitializeKeyCommands();
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this._queryHasReturn = false;
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}
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#endregion
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#region ViewModel Properties
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public ResultPanelViewModel SearchResultPanel
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{
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get
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{
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return this._searchResultPanel;
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}
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}
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public ResultPanelViewModel ActionPanel
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{
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get
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{
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return this._actionPanel;
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}
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}
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public string QueryText
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{
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get
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{
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return this._queryText;
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}
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set
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{
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this._queryText = value;
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OnPropertyChanged("QueryText");
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this.HandleQueryTextUpdated();
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}
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}
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public bool IsVisible
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{
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get
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{
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return this._isVisible;
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}
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set
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{
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this._isVisible = value;
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OnPropertyChanged("IsVisible");
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if (!value && this.IsActionPanelVisible)
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{
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this.BackToSearchMode();
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}
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}
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}
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public bool IsSearchResultPanelVisible
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{
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get
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{
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return this._isSearchResultPanelVisible;
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}
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set
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{
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this._isSearchResultPanelVisible = value;
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OnPropertyChanged("IsSearchResultPanelVisible");
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}
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}
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public bool IsActionPanelVisible
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{
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get
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{
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return this._isActionPanelVisible;
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}
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set
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{
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this._isActionPanelVisible = value;
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OnPropertyChanged("IsActionPanelVisible");
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}
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}
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public bool IsProgressBarVisible
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{
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get
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{
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return this._isProgressBarVisible;
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}
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set
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{
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this._isProgressBarVisible = value;
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OnPropertyChanged("IsProgressBarVisible");
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}
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}
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public bool IsProgressBarTooltipVisible
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{
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get
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{
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return this._isProgressBarTooltipVisible;
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}
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set
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{
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this._isProgressBarTooltipVisible = value;
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OnPropertyChanged("IsProgressBarTooltipVisible");
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}
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}
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public double Left
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{
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get
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{
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return this._left;
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}
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set
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{
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this._left = value;
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OnPropertyChanged("Left");
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}
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}
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public double Top
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{
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get
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{
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return this._top;
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}
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set
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{
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this._top = value;
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OnPropertyChanged("Top");
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}
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}
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public ICommand EscCommand
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{
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get;
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set;
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}
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#endregion
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#region Private Methods
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private void InitializeKeyCommands()
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{
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this.EscCommand = new RelayCommand(() => {
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if (this.IsActionPanelVisible)
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{
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this.BackToSearchMode();
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}
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else
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{
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this.IsVisible = false;
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}
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});
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}
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private void InitializeResultPanel()
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{
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this._searchResultPanel = new ResultPanelViewModel();
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this.IsSearchResultPanelVisible = false;
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this._searchResultPanel.ResultOpenedInPanel += (o, e) =>
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{
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if (e.HideWindow)
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{
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this.IsVisible = false;
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}
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UserSelectedRecordStorage.Instance.Add(e.Result.RawResult);
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QueryHistoryStorage.Instance.Add(this.QueryText);
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};
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this._searchResultPanel.ResultActionPanelOpenedInPanel += (o, e) =>
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{
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this.ShowActionPanel(e.Result.RawResult);
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};
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}
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private void ShowActionPanel(Result result)
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{
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if (result == null) return;
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List<Result> results = PluginManager.GetContextMenusForPlugin(result);
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results.ForEach(o =>
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{
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o.PluginDirectory = PluginManager.GetPluginForId(result.PluginID).Metadata.PluginDirectory;
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o.PluginID = result.PluginID;
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o.OriginQuery = result.OriginQuery;
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});
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results.Add(GetTopMostContextMenu(result));
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_textBeforeEnterContextMenuMode = this.QueryText;
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this._actionPanel.Clear();
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this._actionPanel.AddResults(results, result.PluginID);
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CurrentContextMenus = results;
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this.IsActionPanelVisible = true;
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this.IsSearchResultPanelVisible = false;
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this.QueryText = "";
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}
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private Result GetTopMostContextMenu(Result result)
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{
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if (TopMostRecordStorage.Instance.IsTopMost(result))
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{
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return new Result(InternationalizationManager.Instance.GetTranslation("cancelTopMostInThisQuery"), "Images\\down.png")
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{
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PluginDirectory = WoxDirectroy.Executable,
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Action = _ =>
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{
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TopMostRecordStorage.Instance.Remove(result);
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//TODO:Modify the way showing this message
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//ShowMsg("Succeed", "", "");
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return false;
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}
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};
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}
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else
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{
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return new Result(InternationalizationManager.Instance.GetTranslation("setAsTopMostInThisQuery"), "Images\\up.png")
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{
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PluginDirectory = WoxDirectroy.Executable,
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Action = _ =>
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{
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TopMostRecordStorage.Instance.AddOrUpdate(result);
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//TODO:Modify the way showing this message
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//ShowMsg("Succeed", "", "");
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return false;
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}
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};
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}
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}
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private void InitializeActionPanel()
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{
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this._actionPanel = new ResultPanelViewModel();
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this.IsActionPanelVisible = false;
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this._actionPanel.ResultOpenedInPanel += (o, e) =>
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{
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if (e.HideWindow)
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{
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this.IsVisible = false;
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}
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};
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}
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private void HandleQueryTextUpdated()
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{
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if (_ignoreTextChange) { _ignoreTextChange = false; return; }
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this.IsProgressBarTooltipVisible = false;
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if (this.IsActionPanelVisible)
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{
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QueryActionPanel();
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}
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else
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{
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string query = this.QueryText.Trim();
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if (!string.IsNullOrEmpty(query))
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{
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Query(query);
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//reset query history index after user start new query
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ResetQueryHistoryIndex();
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}
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else
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{
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this._searchResultPanel.Clear();
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}
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}
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}
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private void QueryActionPanel()
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{
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var contextMenuId = "Context Menu Id";
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this._actionPanel.Clear();
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var query = this.QueryText.ToLower();
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if (string.IsNullOrEmpty(query))
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{
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this._actionPanel.AddResults(CurrentContextMenus, contextMenuId);
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}
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else
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{
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List<Result> filterResults = new List<Result>();
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foreach (Result contextMenu in CurrentContextMenus)
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{
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if (StringMatcher.IsMatch(contextMenu.Title, query)
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|| StringMatcher.IsMatch(contextMenu.SubTitle, query))
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{
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filterResults.Add(contextMenu);
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}
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}
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this._actionPanel.AddResults(filterResults, contextMenuId);
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}
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}
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private void Query(string text)
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{
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_queryHasReturn = false;
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var query = PluginManager.QueryInit(text);
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if (query != null)
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{
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// handle the exclusiveness of plugin using action keyword
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string lastKeyword = _lastQuery.ActionKeyword;
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string keyword = query.ActionKeyword;
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if (string.IsNullOrEmpty(lastKeyword))
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{
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if (!string.IsNullOrEmpty(keyword))
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{
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this._searchResultPanel.RemoveResultsExcept(PluginManager.NonGlobalPlugins[keyword].Metadata);
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}
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}
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else
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{
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if (string.IsNullOrEmpty(keyword))
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{
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this._searchResultPanel.RemoveResultsFor(PluginManager.NonGlobalPlugins[lastKeyword].Metadata);
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}
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else if (lastKeyword != keyword)
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{
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this._searchResultPanel.RemoveResultsExcept(PluginManager.NonGlobalPlugins[keyword].Metadata);
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}
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}
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_lastQuery = query;
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Action action = new Action(async () =>
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{
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await Task.Delay(150);
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if (!string.IsNullOrEmpty(query.RawQuery) && query.RawQuery == _lastQuery.RawQuery && !_queryHasReturn)
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{
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this.IsProgressBarTooltipVisible = true;
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}
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});
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action.Invoke();
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//Application.Current.Dispatcher.InvokeAsync(async () =>
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//{
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// await Task.Delay(150);
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// if (!string.IsNullOrEmpty(query.RawQuery) && query.RawQuery == _lastQuery.RawQuery && !_queryHasReturn)
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// {
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// StartProgress();
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// }
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//});
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PluginManager.QueryForAllPlugins(query);
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}
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this.IsProgressBarTooltipVisible = false;
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}
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private void ResetQueryHistoryIndex()
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{
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this._searchResultPanel.RemoveResultsFor(QueryHistoryStorage.MetaData);
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QueryHistoryStorage.Instance.Reset();
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}
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private void UpdateResultViewInternal(List<Result> list, PluginMetadata metadata)
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{
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Stopwatch.Normal($"UI update cost for {metadata.Name}",
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() => { this._searchResultPanel.AddResults(list, metadata.ID); });
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}
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private void BackToSearchMode()
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{
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this.QueryText = _textBeforeEnterContextMenuMode;
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this.IsActionPanelVisible = false;
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this.IsSearchResultPanelVisible = true;
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}
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#endregion
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#region Public Methods
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public void UpdateResultView(List<Result> list, PluginMetadata metadata, Query originQuery)
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{
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_queryHasReturn = true;
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this.IsProgressBarTooltipVisible = false;
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list.ForEach(o =>
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{
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o.Score += UserSelectedRecordStorage.Instance.GetSelectedCount(o) * 5;
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});
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if (originQuery.RawQuery == _lastQuery.RawQuery)
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{
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Application.Current.Dispatcher.Invoke(() => {
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UpdateResultViewInternal(list, metadata);
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});
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}
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if(list.Count > 0)
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{
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this.IsSearchResultPanelVisible = true;
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}
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}
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#endregion
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}
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}
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