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#if !JAVA
/*
* CommandTree.cs
* Copyright © 2009-2011 kbinani
*
* This file is part of org.kbinani.cadencii.
*
* org.kbinani.cadencii is free software; you can redistribute it and/or
* modify it under the terms of the GPLv3 License.
*
* org.kbinani.cadencii 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.
*/
using System;
namespace org.kbinani.cadencii {
#if TREECOM
/// <summary>
/// 分岐可能なコマンド履歴
/// </summary>
public partial class EditorManager {
private ICommand s_root;
private ICommand s_current = null;
public VsqFileEx m_vsq = null;
public EditorManager() {
ID = org.kbinani.misc.getmd5( DateTime.Now.ToBinary().ToString() );
s_root = new CadenciiCommand( Boare.Lib.Vsq.VsqCommand.generateCommandRoot() );
}
public VsqFileEx VsqFile {
get {
return m_vsq;
}
}
public boolean IsRedoAvailable {
get {
if ( s_current == null ) {
return false;
} else {
if ( s_current.Child.Count > 0 ) {
return true;
} else {
return false;
}
}
}
}
public void ClearCommandBuffer() {
s_root.Child.Clear();
s_current = null;
}
public boolean IsUndoAvailable {
get {
if ( s_current != null ) {
if ( Object.ReferenceEquals( s_root, s_current ) ) {
return false;
} else {
return true;
}
} else {
return false;
}
}
}
/*public static ICommand[] GetAvailableRedoCommand() {
}
public static ICommand[] GetAvailableUndoCommand() {
}*/
public void Redo() {
Redo( 0 );
}
public void Redo( int index ) {
if ( s_current.Child.Count > 0 ) {
ICommand run = s_current.Child[index];
ICommand rev = VsqFile.executeCommand( run );
rev.Parent = s_current;
for ( int i = 0; i < run.Child.Count; i++ ) {
run.Child[i].Parent = rev;
rev.Child.Add( run.Child[i] );
}
s_current.Child[index] = rev;
s_current = run;
}
}
public void Undo() {
ICommand run = s_current;
ICommand rev = VsqFile.executeCommand( run );
for ( int i = 0; i < s_current.Child.Count; i++ ) {
s_current.Child[i].Parent = rev;
rev.Child.Add( s_current.Child[i] );
}
rev.Parent = s_current.Parent;
for ( int i = 0; i < s_current.Parent.Child.Count; i++ ) {
if ( Object.ReferenceEquals( s_current, s_current.Parent.Child[i] ) ) {
s_current.Parent.Child[i] = rev;
break;
}
}
s_current = s_current.Parent;
}
public void Register( ICommand command ) {
if ( s_current == null ) {
s_root.Child.Add( command );
command.Parent = s_root;
} else {
s_current.Child.Insert( 0, command );
command.Parent = s_current;
}
s_current = command;
}
}
#endif
}
#endif
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