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Brian Fiete 2019-08-23 11:56:54 -07:00
parent c74712dad9
commit 078564ac9e
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IDE/src/util/GlobalUndoManager.bf Normal file
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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
using System.Threading.Tasks;
using Beefy.utils;
namespace IDE.Util
{
public class GlobalUndoAction : UndoAction
{
public GlobalUndoData mUndoData;
public bool mPerforming;
public FileEditData mFileEditData;
public this(FileEditData fileEditData, GlobalUndoData undoData)
{
mFileEditData = fileEditData;
mUndoData = undoData;
}
public ~this()
{
Clear();
}
public void Detach()
{
if (mUndoData == null)
return;
if (mUndoData.mFileEditDatas.Count == 0)
{
Clear();
}
else
{
mUndoData.mFileEditDatas.Remove(mFileEditData);
}
mUndoData = null;
mFileEditData = null;
}
public void Clear()
{
mUndoData.mFileEditDatas.Remove(mFileEditData);
if (mUndoData.mFileEditDatas.Count == 0)
{
mUndoData.mDeleted = true;
IDEApp.sApp.mGlobalUndoManager.mDeletingGlobalUndoList.Add(mUndoData);
}
}
public override bool Undo()
{
Debug.Assert(!mUndoData.mDeleted);
if (mUndoData.mDeleted)
{
return true;
}
mUndoData.mUndoCount++;
if (mUndoData.mPerforming)
return true;
mUndoData.mPerforming = true;
for (var editData in mUndoData.mFileEditDatas)
{
if (editData == mFileEditData)
continue;
var editWidgetContent = editData.mEditWidget.Content;
while (true)
{
int32 prevUndoCount = mUndoData.mUndoCount;
bool success = editWidgetContent.mData.mUndoManager.Undo();
Debug.Assert(success);
if (mUndoData.mUndoCount != prevUndoCount)
break;
}
if (IDEApp.IsBeefFile(editData.mFilePath))
{
for (var projectSource in editData.mProjectSources)
{
projectSource.HasChangedSinceLastCompile = true;
IDEApp.sApp.mBfResolveCompiler.QueueProjectSource(projectSource);
}
}
}
mUndoData.mPerforming = false;
IDEApp.sApp.mBfResolveCompiler.QueueDeferredResolveAll();
return base.Undo();
}
public override bool Redo()
{
if (mUndoData.mDeleted)
{
// Someone has already overwritten this location in the redo buffer
// so this is no longer valid
return false;
}
mUndoData.mRedoCount++;
if (mUndoData.mPerforming)
return true;
mUndoData.mPerforming = true;
for (var editData in mUndoData.mFileEditDatas)
{
if (editData == mFileEditData)
continue;
var editWidgetContent = editData.mEditWidget.Content;
while (true)
{
int32 prevRedoCount = mUndoData.mRedoCount;
bool success = editWidgetContent.mData.mUndoManager.Redo();
Debug.Assert(success);
if (mUndoData.mRedoCount != prevRedoCount)
break;
}
if (IDEApp.IsBeefFile(editData.mFilePath))
{
for (var projectSource in editData.mProjectSources)
{
projectSource.HasChangedSinceLastCompile = true;
IDEApp.sApp.mBfResolveCompiler.QueueProjectSource(projectSource);
}
}
}
mUndoData.mPerforming = false;
IDEApp.sApp.mBfResolveCompiler.QueueDeferredResolveAll();
return base.Redo();
}
}
public class GlobalUndoData
{
public bool mPerforming;
public bool mDeleted;
public int32 mUndoCount;
public int32 mRedoCount;
public HashSet<FileEditData> mFileEditDatas = new HashSet<FileEditData>() ~ delete _;
public ~this()
{
}
}
public class GlobalUndoManager
{
public List<GlobalUndoData> mGlobalUndoDataList = new List<GlobalUndoData>() ~ delete _;
public List<GlobalUndoData> mDeletingGlobalUndoList = new List<GlobalUndoData>() ~ DeleteContainerAndItems!(_);
public ~this()
{
}
public GlobalUndoData CreateUndoData()
{
var globalUndoData = new GlobalUndoData();
mGlobalUndoDataList.Add(globalUndoData);
return globalUndoData;
}
public void Update()
{
/*foreach (var globalUndoData in mDeletingGlobalUndoList)
{
mGlobalUndoDataList.Remove(globalUndoData);
}
mDeletingGlobalUndoList.Clear();*/
ClearAndDeleteItems(mDeletingGlobalUndoList);
}
public void Clear()
{
mGlobalUndoDataList.Clear();
ClearAndDeleteItems(mDeletingGlobalUndoList);
}
}
}