/// <summary>
/// Runs the diff process for the specified files.
/// </summary>
public void CompareDifference(Object sender, DoWorkEventArgs e)
{
this.sourceListView.Items.Clear();
this.destinationListView.Items.Clear();
this.sourceListView.BeginUpdate();
this.destinationListView.BeginUpdate();
try
{
String source = ((String[])e.Argument)[0];
String destination = ((String[])e.Argument)[1];
Int32 count = 1; ListViewItem lviS, lviD;
TextFile file1 = new TextFile(source);
TextFile file2 = new TextFile(destination);
DiffEngine de = new DiffEngine();
de.ProcessDiff(file1, file2, DiffEngineLevel.Medium);
ArrayList lines = de.DiffReport();
Int32 counter = 0, total = lines.Count;
foreach (DiffResultSpan drs in lines)
{
switch (drs.Status)
{
case DiffResultSpanStatus.DeleteSource:
for (Int32 i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(count.ToString("00000"));
lviD = new ListViewItem(count.ToString("00000"));
lviS.Font = lviD.Font = new Font("Courier New", 8.25F);
lviS.BackColor = Color.Red;
lviS.SubItems.Add(((TextLine)file1.GetByIndex(drs.SourceIndex + i)).Line);
lviD.BackColor = Color.LightGray;
lviD.SubItems.Add("");
this.sourceListView.Items.Add(lviS);
this.destinationListView.Items.Add(lviD);
count++;
}
break;
case DiffResultSpanStatus.NoChange:
for (Int32 i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(count.ToString("00000"));
lviD = new ListViewItem(count.ToString("00000"));
lviS.Font = lviD.Font = new Font("Courier New", 8.25F);
lviS.BackColor = Color.White;
lviS.SubItems.Add(((TextLine)file1.GetByIndex(drs.SourceIndex + i)).Line);
lviD.BackColor = Color.White;
lviD.SubItems.Add(((TextLine)file2.GetByIndex(drs.DestIndex + i)).Line);
this.sourceListView.Items.Add(lviS);
this.destinationListView.Items.Add(lviD);
count++;
}
break;
case DiffResultSpanStatus.AddDestination:
for (Int32 i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(count.ToString("00000"));
lviD = new ListViewItem(count.ToString("00000"));
lviS.Font = lviD.Font = new Font("Courier New", 8.25F);
lviS.BackColor = Color.LightGray;
lviS.SubItems.Add("");
lviD.BackColor = Color.LightGreen;
lviD.SubItems.Add(((TextLine)file2.GetByIndex(drs.DestIndex + i)).Line);
this.sourceListView.Items.Add(lviS);
this.destinationListView.Items.Add(lviD);
count++;
}
break;
case DiffResultSpanStatus.Replace:
for (Int32 i = 0; i < drs.Length; i++)
{
lviS = new ListViewItem(count.ToString("00000"));
lviD = new ListViewItem(count.ToString("00000"));
lviS.Font = lviD.Font = new Font("Courier New", 8.25F);
lviS.BackColor = Color.Red;
lviS.SubItems.Add(((TextLine)file1.GetByIndex(drs.SourceIndex + i)).Line);
lviD.BackColor = Color.LightGreen;
lviD.SubItems.Add(((TextLine)file2.GetByIndex(drs.DestIndex + i)).Line);
this.sourceListView.Items.Add(lviS);
this.destinationListView.Items.Add(lviD);
count++;
}
break;
}
counter++;
Int32 percent = (100 * counter) / total;
this.backgroundWorker.ReportProgress(percent);
}
e.Result = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
e.Result = false;
}
this.destinationListView.EndUpdate();
this.sourceListView.EndUpdate();
}
