uwp-demos/SfCellGrid/Tutorials/FreezePane.xaml.cs

144 строки
4.7 KiB
C#

#region Copyright Syncfusion Inc. 2001-2024.
// Copyright Syncfusion Inc. 2001-2024. All rights reserved.
// Use of this code is subject to the terms of our license.
// A copy of the current license can be obtained at any time by e-mailing
// licensing@syncfusion.com. Any infringement will be prosecuted under
// applicable laws.
#endregion
using Common;
using Syncfusion.UI.Xaml.CellGrid;
using Syncfusion.UI.Xaml.CellGrid.Styles;
using Syncfusion.UI.Xaml.Grid.ScrollAxis;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI;
using Windows.UI.Popups;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409
namespace CellGridSamples
{
/// <summary>
/// An empty page that can be used on its own or navigated to within a Frame.
/// </summary>
public sealed partial class FreezePane : SampleLayout,IDisposable
{
#region Constructor
public FreezePane()
{
this.InitializeComponent();
InitializeGrid();
}
#endregion
#region Private Methods
private void InitializeGrid()
{
cellGrid.RowCount = 100;
cellGrid.ColumnCount = 100;
// Default Row Height and Default Column Width reduced
if (Windows.System.Profile.AnalyticsInfo.VersionInfo.DeviceFamily == "Windows.Mobile")
{
cellGrid.DefaultColumnWidth = 80;
cellGrid.DefaultRowHeight = 20;
}
else
{
cellGrid.DefaultColumnWidth = 150;
cellGrid.DefaultRowHeight = 45;
}
// By Default Frozen Rows and Frozen Columns are set
cellGrid.FrozenRows = 3;
cellGrid.FrozenColumns = 2;
FreezePanes.Content = "Unfreeze";
cellGrid.Model.QueryCellInfo += Model_QueryCellInfo;
}
#endregion
#region Events
private void Model_QueryCellInfo(object sender, GridQueryCellInfoEventArgs e)
{
if (e.Cell.RowIndex == 0 || e.Cell.ColumnIndex == 0)
e.Style.Background = new SolidColorBrush(Color.FromArgb(15, 0, 0, 0));
if (e.Cell.RowIndex == 0 && e.Cell.ColumnIndex == 0)
return;
e.Style.CellValue = "Row" + e.Cell.RowIndex + " Col" + e.Cell.ColumnIndex;
}
private async void FreezePane_Click(object sender, RoutedEventArgs e)
{
if ((sender as Button).Content.Equals("Unfreeze"))
{
cellGrid.FrozenRows = cellGrid.HeaderRows;
cellGrid.FrozenColumns = cellGrid.HeaderColumns;
(sender as Button).Content = "Freeze Pane";
}
else
{
if (cellGrid.CurrentCell.RowIndex < 0 || cellGrid.CurrentCell.ColumnIndex < 0)
{
var message = new MessageDialog("Please select any cell...", "Error");
await message.ShowAsync();
return;
}
cellGrid.FrozenColumns = cellGrid.CurrentCell.ColumnIndex;
cellGrid.FrozenRows = cellGrid.CurrentCell.RowIndex;
cellGrid.ScrollInView(new RowColumnIndex(cellGrid.CurrentCell.RowIndex, cellGrid.CurrentCell.ColumnIndex));
(sender as Button).Content = "Unfreeze";
}
}
private void FreezeTopRow_Click(object sender, RoutedEventArgs e)
{
cellGrid.FrozenRows = cellGrid.ScrollRows.ScrollLineIndex + 1;
cellGrid.FrozenColumns = cellGrid.HeaderColumns;
FreezePanes.Content = "Unfreeze";
}
private void FreezeFirstColumn_Click(object sender, RoutedEventArgs e)
{
cellGrid.FrozenColumns = cellGrid.ScrollColumns.ScrollLineIndex + 1;
cellGrid.FrozenRows = cellGrid.HeaderRows;
FreezePanes.Content = "Unfreeze";
}
#endregion
#region Dispose
public sealed override void Dispose()
{
if (cellGrid != null)
{
cellGrid.Model.QueryCellInfo -= Model_QueryCellInfo;
cellGrid.Dispose();
cellGrid = null;
}
Resources.Clear();
base.Dispose();
}
#endregion
}
}