// will be called whenever a user check a check button of a folder in tvwFolders
protected void tvwFolders_AfterCheck(object sender, TreeViewEventArgs e)
{
SetStatusModified();
EventHandlerManager.PauseAllEventHandlers();
{
tvwFoldersManager.UpdateCheckStates(e.Node);
CheckState checkState = lvwFilesManager.UpdateCheckStates();
chkSelectAll.CheckState = checkState;
}
EventHandlerManager.ResumeAllEventHandlers();
}
protected void chkSelectAll_CheckedChanged(object sender, EventArgs e)
{
SetStatusModified();
EventHandlerManager.PauseAllEventHandlers();
{
if (chkSelectAll.CheckState != CheckState.Indeterminate)
{
lvwFilesManager.SetAllCheckStates(chkSelectAll.Checked);
}
tvwFoldersManager.UpdateParentCheckStates(tvwFolders.SelectedNode, chkSelectAll.Checked);
}
EventHandlerManager.ResumeAllEventHandlers();
}
protected void lvwFiles_ItemChecked(object sender, ItemCheckedEventArgs e)
{
SetStatusModified();
EventHandlerManager.PauseAllEventHandlers();
{
lvwFilesManager.UpdateItemCheckState(e.Item);
CheckState checkState = lvwFilesManager.IsAllItemsChecked();
chkSelectAll.CheckState = checkState;
tvwFoldersManager.UpdateParentCheckStates(tvwFolders.SelectedNode, e.Item.Checked);
}
EventHandlerManager.ResumeAllEventHandlers();
}
protected void tvwFolders_AfterSelect(object sender, TreeViewEventArgs e)
{
EventHandlerManager.PauseAllEventHandlers();
{
// show file list in the selected folder
string path = tvwFoldersManager.GetPath(e.Node);
txtPath.Text = path; // show the path of selected folder
bool hasFiles = lvwFilesManager.SetItems(e.Node); // show files on lvwFiles
splitContainer1.Panel2.Enabled = hasFiles; // lvwFiles and chkSelectAll are enabled only one of more files are existed in the selected folder
CheckState checkState = lvwFilesManager.IsAllItemsChecked();
chkSelectAll.CheckState = checkState;
}
EventHandlerManager.ResumeAllEventHandlers();
}
/// <summary>
/// Initialize this program
/// </summary>
/// <param name="e"></param>
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
EventHandlerManager.AddEventHandler(tvwFolders, "AfterCheck", this, "tvwFolders_AfterCheck");
EventHandlerManager.AddEventHandler(tvwFolders, "AfterSelect", this, "tvwFolders_AfterSelect");
EventHandlerManager.AddEventHandler(lvwFiles, "ItemChecked", this, "lvwFiles_ItemChecked");
EventHandlerManager.AddEventHandler(chkSelectAll, "CheckedChanged", this, "chkSelectAll_CheckedChanged");
tvwFoldersManager = new FolderTreeViewManager(tvwFolders);
lvwFilesManager = new FileListViewManager(lvwFiles, colName, colType, colSize);
// initialize the title message of the form
_defaultMainFormText = Text;
SetMessageToMainFormText("");
// initialize the status strip bar
lblStatusStrip.Text = "";
// restrict file types that this app can open
dlgOpenFile.Filter = "SpaceSniffer export file|*." + _txtExtention + "|FileListExporter File|*." + _fileListExtention;
// show file open dialog
DialogResult result = dlgOpenFile.ShowDialog();
// if a file is selected:
if (result == DialogResult.OK)
{
fileListExporterFile.SetFilePath(dlgOpenFile.FileName);
// if a txt file(SpaceSniffer export filer) is selected:
if (fileListExporterFile.FileExtention == _txtExtention)
{
SetStatusLoading(dlgOpenFile.FileName);
// try to load the selected txt file
_fileHierarchies = spaceSnifferFile.LoadTxtFile(dlgOpenFile.FileName);
// if the file hierarchies are successfully loaded:
if (_fileHierarchies != null)
{
SetStatusLoaded(dlgOpenFile.FileName);
// show FileListExporter file save dialog
if (ShowSaveFileDialog(fileListExporterFile.FileDirectory, fileListExporterFile.FileNameBody))
{
SetStatusSaving(fileListExporterFile.FilePath);
fileListExporterFile.SaveFile(_fileHierarchies.GetRootFolders());
SetMessageToMainFormText(fileListExporterFile.FilePath);
SetStatusSaved(fileListExporterFile.FilePath);
SetStatusFoldersLoading();
EventHandlerManager.PauseAllEventHandlers();
{
tvwFoldersManager.SetFileHierarchies(_fileHierarchies);
}
EventHandlerManager.ResumeAllEventHandlers();
SetStatusFoldersLoaded();
}
// if a user gave up to proceed:
else
{
// close the program
Dispose();
}
}
else
{
// close the program
Dispose();
}
}
// if a FileListExporter file is selected:
else if (fileListExporterFile.FileExtention == _fileListExtention)
{
fileListExporterFile.SetFilePath(dlgOpenFile.FileName);
SetStatusLoading(fileListExporterFile.FilePath);
_fileHierarchies = fileListExporterFile.LoadFile();
// if the file hierarchies are successfully loaded:
if (_fileHierarchies != null)
{
SetStatusLoaded(fileListExporterFile.FilePath);
SetMessageToMainFormText(fileListExporterFile.FilePath);
tvwFoldersManager.SetFileHierarchies(_fileHierarchies);
}
else
{
// close the program
Dispose();
}
}
else
{
// close the program
MessageBox.Show("Please select a file with these types only: " + dlgOpenFile.Filter);
Dispose();
}
}
// if canceled:
else
{
// close the app
Dispose();
}
}
