public void AddPage(WorkbookPage workbookPage)
{
if (workbookPage == null)
{
throw new ArgumentNullException(nameof(workbookPage));
}
pages.Add(workbookPage);
if (pages.Count == 1)
{
workbookPage.TreeNode.IsSelected = true;
}
workbookPage.PropertyChanged += WorkbookPage_PropertyChanged;
filesystem.Add(workbookPage.TreeNode);
if (pages.Count == 1)
{
PlatformTargets = workbookPage.PlatformTargets;
}
else
{
PlatformTargets = PlatformTargets
.Intersect(workbookPage.PlatformTargets)
.ToImmutableArray();
}
}
public void RemovePage(WorkbookPage workbookPage)
{
if (workbookPage == null)
{
throw new ArgumentNullException(nameof(workbookPage));
}
workbookPage.PropertyChanged -= WorkbookPage_PropertyChanged;
pages.Remove(workbookPage);
if (pages.Count == 0)
{
PlatformTargets = ImmutableArray <AgentType> .Empty;
}
else
{
PlatformTargets = pages [0].PlatformTargets;
if (pages.Count > 1)
{
var intersection = new HashSet <AgentType> (PlatformTargets);
foreach (var page in pages.Skip(1))
{
intersection.IntersectWith(page.PlatformTargets);
}
PlatformTargets = intersection.ToImmutableArray();
}
}
}
protected WorkbookPageViewModel(ClientSession clientSession, WorkbookPage workbookPage)
{
ClientSession = clientSession
?? throw new ArgumentNullException(nameof(clientSession));
WorkbookPage = workbookPage
?? throw new ArgumentNullException(nameof(workbookPage));
}
void Open(FilePath openPath, bool isDirectory, params AgentType [] platformTargets)
{
pages.Clear();
var indexPage = new WorkbookPage(this, platformTargets);
if (openPath.IsNull)
{
WorkingPath = FilePath.Empty;
AddPage(indexPage);
return;
}
FilePath readPath;
if (isDirectory)
{
indexPage.Path = indexPageFileName;
readPath = openPath.Combine(indexPage.Path);
openedFromDirectory = true;
}
else
{
// If we are opening a file within a .workbook directory somewhere,
// actually open that directory. This is to mostly address issues
// on Windows where you cannot open a directory via Explorer.
//
// FIXME: The file within the workbook directory is intentionally
// ignored for now, so this will effectively open index.workbook,
// hitting the 'isDirectory' path above via the recursive Open call.
// In reality for now it does not matter since we do not support
// workbooks with multiple pages.
for (var parentPath = openPath.ParentDirectory;
!parentPath.IsNull;
parentPath = parentPath.ParentDirectory)
{
if (parentPath.DirectoryExists && parentPath.Extension == dottedExtension)
{
LogicalPath = parentPath;
Open(parentPath, true, platformTargets);
return;
}
}
indexPage.Path = openPath.Name;
readPath = openPath;
}
using (var stream = new FileStream(
readPath,
FileMode.Open,
FileAccess.Read,
FileShare.Read)) {
if (!isDirectory)
{
if (ZipArchiveExtensions.SmellHeader(stream))
{
OpenZip(stream, platformTargets);
return;
}
// seek back to start since we just checked for a Zip header
stream.Seek(0, SeekOrigin.Begin);
}
indexPage.Read(new StreamReader(stream));
}
AddPage(indexPage);
WorkingPath = openPath;
}