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//
// BindingDefinition.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2016 jp
//
// 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 3 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, see <http://www.gnu.org/licenses/>.
using System;
namespace Crow.IML
{
/// <summary>
/// store binding source and target addresses and member names
/// </summary>
public class BindingDefinition
{
public NodeAddress SourceNA = null;
public string SourceMember = "";
public NodeAddress TargetNA = null;
public string TargetMember = "";
public string TargetName = "";
public bool TwoWay = false;
#region CTOR
public BindingDefinition (NodeAddress _sourceNA, string _sourceMember){
SourceNA = _sourceNA;
SourceMember = _sourceMember;
}
public BindingDefinition (NodeAddress _sourceNA, string _sourceMember, NodeAddress _targetNA, string _targetMember, string _targetName = "", bool _twoWay = false)
{
SourceNA = _sourceNA;
SourceMember = _sourceMember;
TargetNA = _targetNA;
TargetMember = _targetMember;
TargetName = _targetName;
TwoWay = _twoWay;
}
#endregion
public bool IsDataSourceBinding { get { return TargetNA == null; }}
public bool IsTemplateBinding { get { return IsDataSourceBinding ? false : TargetNA.Count == 0; }}
public bool HasUnresolvedTargetName { get { return !string.IsNullOrEmpty(TargetName); }}
public MemberAddress SourceMemberAddress { get { return new MemberAddress (SourceNA, SourceMember);}}
public MemberAddress TargetMemberAddress { get { return new MemberAddress (TargetNA, TargetMember);}}
/// <summary>
/// replace the target node address with corresponding named node address, and clear the target name once resolved
/// </summary>
/// <param name="newTargetNA">Named Node</param>
public void ResolveTargetName(NodeAddress newTargetNA){
TargetNA = newTargetNA;
TargetName = "";
}
public override string ToString ()
{
string tmp = string.Format ("Source:{0}.{1}", SourceNA, SourceMember);
if (TwoWay)
tmp += " <=> ";
else
tmp += " <= ";
if (string.IsNullOrEmpty (TargetName))
tmp += string.Format ("Target:{0}.{1}]", TargetNA, TargetMember);
else
tmp += string.Format ("Target:{0}.{1}.{2}]", TargetNA, TargetName, TargetMember);
return tmp;
}
}
}
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