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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.PPC.Jobs.Models;
namespace Tango.PPC.Jobs.UndoRedoCommands
{
public class RepeatCommand : IUndoRedoCommand
{
private JobModel _jobModel;
private Dictionary<int, ISegmentModel> _indexToSegmentsDict;
private SegmentsGroupModel _group;
public RepeatCommand(JobModel job)
{
_jobModel = job;
_indexToSegmentsDict = new Dictionary<int, ISegmentModel>();
for (int index = 0; index < _jobModel.GroupingSegments.Count; index++)
{
var segment = _jobModel.GroupingSegments[index];
if (segment.IsSelected )
{
_indexToSegmentsDict[index] = segment;
}
else if (_indexToSegmentsDict.Count > 0)//selected items should be in turn
{
break;
}
}
}
public void Execute()
{
if (_indexToSegmentsDict.Count == 0)
return;
List<SegmentModel> selectedsegments = new List<SegmentModel>();
foreach (var obj in _indexToSegmentsDict)
{
if (obj.Value is SegmentModel simpleSegment)
{
selectedsegments.Add(simpleSegment);
_jobModel.GroupingSegments.Remove(simpleSegment);
}
else if (obj.Value is SegmentsGroupModel segmentsGroup)
{
selectedsegments.AddRange(segmentsGroup.Segments);
_jobModel.SegmentsGroups.Remove(segmentsGroup);
_jobModel.GroupingSegments.Remove(segmentsGroup);
}
obj.Value.IsSelected = false;
}
_group = new SegmentsGroupModel(_jobModel, selectedsegments) ;
selectedsegments.ForEach(x => x.SegmentsGroupModel = _group);
_group.SegmentIndex = _group.FirstSegmentIndex;
_jobModel.SegmentsGroups.Add(_group);
if((_group.SegmentIndex - 1) < _jobModel.GroupingSegments.Count)
{
_jobModel.GroupingSegments.Insert((_group.SegmentIndex - 1), _group);
}
else
_jobModel.GroupingSegments.Add( _group);
_jobModel.ArrangeSegmentsIndixes();
}
public void UnExecute()
{
if (_indexToSegmentsDict.Count == 0)
return;
_jobModel.SegmentsGroups.Remove(_group);
_jobModel.GroupingSegments.Remove(_group);
foreach (var obj in _indexToSegmentsDict)
{
if (obj.Value is SegmentModel innerSegment)
{
innerSegment.SegmentsGroupModel = null;
}
else if (obj.Value is SegmentsGroupModel group)
{
_jobModel.SegmentsGroups.Add(group);
group.Segments.ToList().ForEach(x => x.SegmentsGroupModel = group);
}
if (_jobModel.GroupingSegments.Count <= obj.Key)
_jobModel.GroupingSegments.Add(obj.Value);
else
{
_jobModel.GroupingSegments.Insert(obj.Key, obj.Value);
}
}
_jobModel.ArrangeSegmentsIndixes();
}
}
}
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