////////////////////////////////////////////////////////////////////
// Add file to archive
////////////////////////////////////////////////////////////////////
private void OnAdd
(
object sender,
EventArgs e
)
{
// if inflate is open, switch to deflate mode
if (SwitchMode())
{
return;
}
// display files and folders selection screen
AddFilesAndFoldersForm AddFilesDialog = new AddFilesAndFoldersForm();
if (AddFilesDialog.ShowDialog(this) == DialogResult.Cancel)
{
return;
}
// create update dialog
ProcessFilesForm UpdateDialog = new ProcessFilesForm();
// display extract dialog
UpdateDialog.UpdateMode = true;
UpdateDialog.ZipDir = AddFilesDialog.AddDir;
UpdateDialog.RootDir = AddFilesDialog.RootDir;
UpdateDialog.CompLevel = AddFilesDialog.CompLevel;
UpdateDialog.Deflate = Deflate;
UpdateDialog.ShowDialog(this);
// display zip file directory in data grid view
LoadDataGrid();
return;
}
////////////////////////////////////////////////////////////////////
// Decompress file one or more files
////////////////////////////////////////////////////////////////////
private void OnExtract
(
object sender,
EventArgs e
)
{
// display extract control dialog box
ExtractSelectionForm SelectDialog = new ExtractSelectionForm();
// get selected rows
DataGridViewSelectedRowCollection RowCollection = DataGrid.SelectedRows;
// count archive files (not directories) with deflate compression or no compression
SelectDialog.ArchiveFiles = 0;
SelectDialog.ArchiveSize = 0;
foreach (DataGridViewRow VR in DataGrid.Rows)
{
FileHeader FH = ZipDir[(Int32)VR.Tag];
if ((FH.CompMethod == 0 || FH.CompMethod == 8) && (FH.FileAttr & FileAttributes.Directory) == 0)
{
SelectDialog.ArchiveFiles++;
SelectDialog.ArchiveSize += FH.FileSize;
}
}
// count selection files (not directories) with deflate compression or no compression
SelectDialog.SelectionFiles = 0;
SelectDialog.SelectionSize = 0;
foreach (DataGridViewRow VR in RowCollection)
{
FileHeader FH = ZipDir[(Int32)VR.Tag];
if ((FH.CompMethod == 0 || FH.CompMethod == 8) && (FH.FileAttr & FileAttributes.Directory) == 0)
{
SelectDialog.SelectionFiles++;
SelectDialog.SelectionSize += FH.FileSize;
}
}
// show dialog
if (SelectDialog.ShowDialog(this) == DialogResult.Cancel)
{
return;
}
// create extract dialog
ProcessFilesForm ExtractDialog = new ProcessFilesForm();
// user selected extract all
if (ProgramState.State.ExtractAll)
{
ExtractDialog.ZipDir = ZipDir;
}
// create extract list if the user extract by selection
else
{
ExtractDialog.ZipDir = new List <FileHeader>();
foreach (DataGridViewRow VR in RowCollection)
{
ExtractDialog.ZipDir.Add(ZipDir[(Int32)VR.Tag]);
}
ExtractDialog.ZipDir.Sort();
}
// display extract dialog
ExtractDialog.UpdateMode = false;
ExtractDialog.Inflate = Inflate;
ExtractDialog.Show(this);
return;
}