using System;

using System.Diagnostics.Contracts;

using System.Drawing;

using System.Text;

using ReClassNET.UI;

namespace ReClassNET.Nodes

{

public abstract class BaseTextPtrNode : BaseNode

{

private const int MaxStringCharacterCount = 256;

public override int MemorySize => IntPtr.Size;

/// <summary>The encoding of the string.</summary>

public abstract Encoding Encoding { get; }

/// <summary>Draws this node.</summary>

/// <param name="view">The view information.</param>

/// <param name="x">The x coordinate.</param>

/// <param name="y">The y coordinate.</param>

/// <param name="type">The name of the type.</param>

/// <returns>The pixel size the node occupies.</returns>

public Size DrawText(ViewInfo view, int x, int y, string type)

{

Contract.Requires(view != null);

Contract.Requires(type != null);

if (IsHidden && !IsWrapped)

{

return DrawHidden(view, x, y);

}

var ptr = view.Memory.ReadIntPtr(Offset);

var text = view.Process.ReadRemoteString(Encoding, ptr, MaxStringCharacterCount);

var origX = x;

AddSelection(view, x, y, view.Font.Height);

x += TextPadding;

x = AddIcon(view, x, y, Icons.Text, HotSpot.NoneId, HotSpotType.None);

x = AddAddressOffset(view, x, y);

x = AddText(view, x, y, view.Settings.TypeColor, HotSpot.NoneId, type) + view.Font.Width;

if (!IsWrapped)

{

x = AddText(view, x, y, view.Settings.NameColor, HotSpot.NameId, Name) + view.Font.Width;

}

x = AddText(view, x, y, view.Settings.TextColor, HotSpot.NoneId, "= '");

x = AddText(view, x, y, view.Settings.TextColor, HotSpot.ReadOnlyId, text);

x = AddText(view, x, y, view.Settings.TextColor, HotSpot.NoneId, "'") + view.Font.Width;

x = AddComment(view, x, y);

DrawInvalidMemoryIndicatorIcon(view, y);

AddContextDropDownIcon(view, y);

AddDeleteIcon(view, y);

return new Size(x - origX, view.Font.Height);

}

public override int CalculateDrawnHeight(ViewInfo view)

{

return IsHidden && !IsWrapped ? HiddenHeight : view.Font.Height;

}

}

}