Michael Gordeev
114 lines
4.1 KiB
C#
114 lines
4.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices.WindowsRuntime;
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using System.Threading.Tasks;
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using System.Xml;
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using Windows.Foundation;
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using Windows.Foundation.Collections;
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using Windows.Storage;
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using Windows.UI;
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using Windows.UI.Xaml;
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using Windows.UI.Xaml.Controls;
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using Windows.UI.Xaml.Controls.Primitives;
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using Windows.UI.Xaml.Data;
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using Windows.UI.Xaml.Input;
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using Windows.UI.Xaml.Media;
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using Windows.UI.Xaml.Navigation;
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// The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236
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namespace FoxTube.Controls
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{
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public sealed partial class SuggestionsQueries : UserControl
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{
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ApplicationDataContainer settings = ApplicationData.Current.LocalSettings;
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List<string> lastRequests = new List<string>();
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public SuggestionsQueries()
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{
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this.InitializeComponent();
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for (int k = 0; k < 5; k++)
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if (settings.Values["history" + k] != null)
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lastRequests.Add((string)settings.Values["history" + k]);
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}
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private void Item_Click(object sender, RoutedEventArgs e)
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{
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string term = (sender as Button).Content as string;
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if (!lastRequests.Contains(term))
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AddToHistory(term);
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Methods.MainPage.GoToSearch(term);
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}
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public async void BuildList(string keyword)
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{
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(grid.Children[0] as StackPanel).Visibility = Visibility.Visible;
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searchStandby.Visibility = Visibility.Visible;
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suggestions.Children.Clear();
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foreach(string s in lastRequests)
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{
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Button item = new Button()
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{
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HorizontalAlignment = HorizontalAlignment.Stretch,
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HorizontalContentAlignment = HorizontalAlignment.Left,
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Background = new SolidColorBrush(Colors.Transparent),
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Content = s
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};
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item.Click += Item_Click;
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history.Children.Add(item);
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}
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XmlDocument doc = new XmlDocument();
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await Task.Run(() =>
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{
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doc.Load(string.Format("http://suggestqueries.google.com/complete/search?output=toolbar&hl={0}&q={1}",
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(settings.Values["region"] as string)[0] + (settings.Values["region"] as string)[1],
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keyword));
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});
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if(doc["toplevel"].HasChildNodes)
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for (int k = 0; k < 5; k++)
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try
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{
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Button item = new Button()
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{
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HorizontalAlignment = HorizontalAlignment.Stretch,
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HorizontalContentAlignment = HorizontalAlignment.Left,
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Background = new SolidColorBrush(Colors.Transparent),
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Content = doc["toplevel"].ChildNodes[k]["suggestion"].GetAttribute("data")
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};
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item.Click += Item_Click;
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suggestions.Children.Add(item);
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} catch { break; }
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else
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suggestions.Children.Add(new Button()
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{
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Content = "No suggestions found.",
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IsEnabled = false,
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Foreground = new SolidColorBrush(Colors.Gray),
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Background = new SolidColorBrush(Colors.Transparent)
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});
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searchStandby.Visibility = Visibility.Collapsed;
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}
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public void AddToHistory(string keyword)
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{
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lastRequests.Insert(0, keyword);
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if (lastRequests.Count > 5)
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lastRequests.RemoveAt(5);
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for(int k = 0; k < 5; k++)
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try { settings.Values["history" + k] = lastRequests[k]; }
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catch { settings.Values.Add("history" + k, lastRequests[k]); }
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}
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public void Hide()
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{
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(grid.Children[0] as StackPanel).Visibility = Visibility.Collapsed;
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}
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}
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}
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