WriteProtection.cs

#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 System;
using Syncfusion.Presentation;
using System.IO;
using COLOR = Syncfusion.Drawing;
using System.Reflection;
#if __UNIFIED__
using Foundation;
using UIKit;
using CoreGraphics;
#else
using MonoTouch.Foundation;
using MonoTouch.UIKit;
using MonoTouch.CoreGraphics;
using CGRect = System.Drawing.RectangleF;
using CGPoint = System.Drawing.PointF;
using CGSize = System.Drawing.SizeF;
#endif
namespace SampleBrowser
{
	public partial class WriteProtection : SampleView
	{
		CGRect frameRect = new CGRect ();
		float frameMargin = 8.0f;
		UILabel label;
		UILabel label1;
        UILabel passwordLabel;
		UIButton button;

		public WriteProtection()
		{

			label1 = new UILabel();
			label = new UILabel();
            passwordLabel = new UILabel();
			button = new UIButton(UIButtonType.System);
			button.TouchUpInside += OnButtonClicked;
		}

		void LoadAllowedTextsLabel()
		{
			label.Frame = frameRect;
			label.TextColor = UIColor.FromRGB (38/255.0f, 38/255.0f, 38/255.0f);
			label.Text = "This sample demonstrates how to set a write protection for a PowerPoint presentation.";
			label.Font = UIFont.SystemFontOfSize(15);
			label.Lines 				= 0;
			label.LineBreakMode 		= UILineBreakMode.WordWrap;
			if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad) {
				label.Font = UIFont.SystemFontOfSize(18);
				label.Frame = new CGRect (5, 5,frameRect.Location.X + frameRect.Size.Width  , 50);
			} 
			else {
				label.Frame = new CGRect (frameRect.Location.X, 5, frameRect.Size.Width , 70);

			}
			this.AddSubview (label);

            passwordLabel.Frame = frameRect;
            passwordLabel.TextColor = UIColor.FromRGB(38 / 255.0f, 38 / 255.0f, 38 / 255.0f);
            passwordLabel.Text = "Password: syncfusion";
            passwordLabel.TextAlignment = UITextAlignment.Left;
            passwordLabel.Font = UIFont.SystemFontOfSize(15);
            if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad)
            {
                passwordLabel.Font = UIFont.SystemFontOfSize(18);
                passwordLabel.Frame = new CGRect(5, 55, frameRect.Location.X + frameRect.Size.Width, 50);
            }
            else
            {
                passwordLabel.Frame = new CGRect(frameRect.Location.X, 75, frameRect.Size.Width, 70);

            }
            this.AddSubview(passwordLabel);


            button.SetTitle("Generate Presentation",UIControlState.Normal);
			if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad) {
				button.Frame = new CGRect (0, 105, frameRect.Location.X + frameRect.Size.Width , 10);
			} 
			else {
				button.Frame = new CGRect (frameRect.Location.X, 150, frameRect.Size.Width , 10);

			}
			this.AddSubview (button);
		}

        
		void OnButtonClicked(object sender, EventArgs e)
		{
            string resourcePath = "SampleBrowser.Samples.Presentation.Templates.Transition.pptx";
            Assembly assembly = Assembly.GetExecutingAssembly();
            Stream fileStream = assembly.GetManifestResourceStream(resourcePath);

            IPresentation presentation = Presentation.Open(fileStream);

            //Set the write protection for presentation instance
            presentation.SetWriteProtection("syncfusion");

            MemoryStream stream = new MemoryStream();
            presentation.Save(stream);
            presentation.Close();
            stream.Position = 0;

			if (stream != null)
			{
				SaveiOS iOSSave = new SaveiOS ();
				iOSSave.Save ("WriteProtectionSample.pptx", "application/mspowerpoint", stream);
			}

		}

        public override void LayoutSubviews ()
		{
			if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad) {
				frameMargin = 0.0f;
			}
			frameRect = Bounds;
			frameRect.Location = new CGPoint (frameRect.Location.X + frameMargin, frameRect.Location.Y + 1.5f * frameMargin);
			frameRect.Size = new CGSize(frameRect.Size.Width - (frameRect.Location.X + frameMargin), frameRect.Size.Height - (frameRect.Location.Y + 1.5f * frameMargin));

			LoadAllowedTextsLabel ();

			base.LayoutSubviews ();
		}
	}
}