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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2025 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Reflection;
using System.Text;
using System.Windows.Forms;
using KeePass.App.Configuration;
using KeePass.Util;
using KeePassLib.Utility;
namespace KeePass.UI
{
internal sealed class FormDataExchange
{
private readonly bool m_bUpdateOnAdd;
private readonly bool m_bReadOnlyIfEnforced;
private readonly List<FdxItem> m_l = new List<FdxItem>();
private sealed class FdxItem
{
public readonly Control Control;
public readonly object Object;
public readonly PropertyInfo PropertyInfo;
public readonly bool ReadOnly;
#if DEBUG
public readonly string ProgramConfigPath;
#endif
public FdxItem(Control c, object o, PropertyInfo pi, bool bReadOnly)
{
this.Control = c;
this.Object = o;
this.PropertyInfo = pi;
this.ReadOnly = bReadOnly;
#if DEBUG
this.ProgramConfigPath = XmlUtil.GetObjectXmlPath(Program.Config, o);
#endif
}
}
public FormDataExchange(Form f, bool bUpdateOnAdd, bool bUpdateOnClosed,
bool bReadOnlyIfEnforced)
{
if(f == null) throw new ArgumentNullException("f");
m_bUpdateOnAdd = bUpdateOnAdd;
m_bReadOnlyIfEnforced = bReadOnlyIfEnforced;
if(bUpdateOnClosed) f.FormClosed += this.OnFormClosed;
}
public void Add(Control c, object o, string strPropertyName)
{
if(c == null) throw new ArgumentNullException("c");
if(o == null) throw new ArgumentNullException("o");
if(strPropertyName == null) throw new ArgumentNullException("strPropertyName");
PropertyInfo pi = o.GetType().GetProperty(strPropertyName);
if((pi == null) || !pi.CanRead || !pi.CanWrite)
throw new MethodAccessException();
bool bReadOnly = (m_bReadOnlyIfEnforced ? AppConfigEx.IsOptionEnforced(
o, pi) : false);
FdxItem it = new FdxItem(c, o, pi, bReadOnly);
m_l.Add(it);
if(m_bUpdateOnAdd) UpdateData(it, false);
}
public void UpdateData(bool bControlsToData)
{
foreach(FdxItem it in m_l)
UpdateData(it, bControlsToData);
}
private void UpdateData(FdxItem it, bool bControlToData)
{
Control c = it.Control;
object o = it.Object;
PropertyInfo pi = it.PropertyInfo;
Type tValue = pi.PropertyType;
#if DEBUG
// Check that the *current* Program.Config owns the object,
// if this was the case initially
Debug.Assert(XmlUtil.GetObjectXmlPath(Program.Config, o) == it.ProgramConfigPath);
// If enforceable, it should be in Program.Config
Debug.Assert(!m_bReadOnlyIfEnforced || !string.IsNullOrEmpty(it.ProgramConfigPath));
#endif
if(it.ReadOnly)
{
if(bControlToData) return;
c.Enabled = false;
}
CheckBox cb = (c as CheckBox);
if((cb != null) && (tValue == typeof(bool)))
{
Debug.Assert(cb.CheckState != CheckState.Indeterminate);
if(bControlToData) pi.SetValue(o, cb.Checked, null);
else UIUtil.SetChecked(cb, (bool)pi.GetValue(o, null));
return;
}
ComboBox cmb = (c as ComboBox);
if((cmb != null) && (tValue == typeof(int)))
{
Debug.Assert(cmb.DropDownStyle == ComboBoxStyle.DropDownList);
if(bControlToData) pi.SetValue(o, cmb.SelectedIndex, null);
else
{
int i = (int)pi.GetValue(o, null);
if((i >= 0) && (i < cmb.Items.Count))
cmb.SelectedIndex = i;
else
{
Debug.Assert(false);
if(cmb.Items.Count != 0) cmb.SelectedIndex = 0;
}
}
return;
}
ColorButtonEx clrbtn = (c as ColorButtonEx);
if((clrbtn != null) && (tValue == typeof(string)))
{
if(bControlToData)
pi.SetValue(o, StrUtil.ColorToUnnamedHtml(
clrbtn.SelectedColor, true), null);
else
{
string str = (pi.GetValue(o, null) as string);
Color clr = Color.Empty;
try
{
if(!string.IsNullOrEmpty(str))
clr = ColorTranslator.FromHtml(str);
}
catch(Exception) { Debug.Assert(false); }
clrbtn.SelectedColor = clr;
}
return;
}
Debug.Assert(false); // Unknown control/type
}
private void OnFormClosed(object sender, FormClosedEventArgs e)
{
UpdateData(true);
}
}
}
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