private byte[] GetImageSource(ProofItem proof)
{
switch (proof.Type)
{
case FileTypeEnum.Directory:
case FileTypeEnum.Word:
case FileTypeEnum.Excel:
return(File.ReadAllBytes(AppDomain.CurrentDomain.BaseDirectory + "Images\\file.png"));
case FileTypeEnum.Pdf:
return(File.ReadAllBytes(AppDomain.CurrentDomain.BaseDirectory + "Images\\pdf.png"));
case FileTypeEnum.Img:
FileStream datFs = null;
try
{
datFs = new FileStream(proofDatFileName, FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[proof.Length];
datFs.Position = proof.StartIndex;
datFs.Read(buffer, 0, buffer.Length);
return(buffer);
}
finally
{
if (datFs != null)
{
datFs.Dispose();
}
}
default: throw new Exception("获取证据失败。");
}
}
public ProofControl(ProofItem proof, int selectIndex)
{
InitializeComponent();
this.selectIndex = selectIndex;
this.proof = proof;
LoadControl(proof.Proofs[selectIndex]);
}
private void LoadControl(ProofItem file)
{
switch (file.Type)
{
case FileTypeEnum.Pdf:
PDFView pdf = new PDFView(file);
container.Content = pdf;
break;
case FileTypeEnum.Img:
ImageView image = new ImageView(file.ImgSource);
container.Content = image;
break;
}
}
private IList <ProofItem> ConvertToProofItems(ProofFileFolder root, ProofItem parent = null)
{
IList <ProofItem> proofs = new List <ProofItem>();
for (int i = 0; i < root.Folders.Count; i++)
{
ProofItem proof = new ProofItem();
proof.Type = FileTypeEnum.Directory;
proof.Name = root.Folders[i].Name;
proof.ImgSource = GetImageSource(proof);
proof.Proofs = new ObservableCollection <ProofItem>();
proof.Parent = parent;
IList <ProofItem> children = ConvertToProofItems(root.Folders[i], proof);
for (int j = 0; j < children.Count; j++)
{
proof.Proofs.Add(children[j]);
}
proofs.Add(proof);
}
for (int i = 0; i < root.Files.Count; i++)
{
ProofItem proof = new ProofItem();
proof.Type = root.Files[i].FileType;
proof.Name = root.Files[i].Name;
proof.StartIndex = root.Files[i].StartIndex;
proof.Length = root.Files[i].Length;
proof.ImgSource = GetImageSource(proof);
proofs.Add(proof);
}
return(proofs);
}
public string GetProofTempFilePath(ProofItem proof)
{
FileStream datFs = null;
FileStream tempFs = null;
byte[] buffer;
try
{
string tempFileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".pdf");
datFs = new FileStream(proofDatFileName, FileMode.Open, FileAccess.Read);
tempFs = new FileStream(tempFileName, FileMode.Create, FileAccess.Write);
datFs.Position = proof.StartIndex;
while (tempFs.Position < proof.Length)
{
buffer = new byte[proof.Length - tempFs.Position > BUFFER_LENGTH ? BUFFER_LENGTH : proof.Length - tempFs.Position];
datFs.Read(buffer, 0, buffer.Length);
tempFs.Write(buffer, 0, buffer.Length);
}
return(tempFileName);
}
finally
{
if (datFs != null)
{
datFs.Dispose();
}
if (tempFs != null)
{
tempFs.Dispose();
}
}
}
public void AdobeReaderControl(ProofItem choiseItem)
{
tempFilePath = SingletonManager.Get <ProofShowProcessor>().GetProofTempFilePath(choiseItem);
this.axAcroPDF1.LoadFile(tempFilePath);
}
public string GetProofTempFilePath(ProofItem proof)
{
return(proofManager.GetProofTempFilePath(proof));
}
public PDFView(ProofItem proof)
{
InitializeComponent();
this.pdfReader.AdobeReaderControl(proof);
}
