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//
// BindingDefinition.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
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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