/// <summary>
/// Class constructor
/// </summary>
/// <param name="conflicts">The list of file conflicts.</param>
public OverwriteWarningsForm(OverwriteWarningCollection warnings,
bool fatal, OverwriteWarningType type)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
pictureBox.Image = SystemIcons.Exclamation.ToBitmap();
// There appears to be a bug in the 1.0 version of the framework. On my
// 3.2ghz machine, if listBox.Items.Add(conflict) is placed in the
// foreach array it hangs, unless you slow it down somehow. Moving
// the add outside the loop and changing it to an AddRange() to add all
// of the conflicts in one shot makes it work correctly, thus the change
// to the code.
// Add all of the conflicts to the list box.
ListViewItem[] items = new ListViewItem[warnings.Count];
for (int i = 0; i < warnings.Count; i++)
items[i] = new ListViewItem(new String[]
{ warnings[i].Replacer, warnings[i].File, warnings[i].Source });
listView.Items.AddRange(items);
// Load the appropriate prompt text.
labelPrompt.Text = StringResources.GetString(type.ToString());
// If we have fatal errors then turn off the continue button, the user
// can only cancel.
if (fatal) buttonContinue.Enabled = false;
}
/// <summary>
/// Attempts to resolve tlk file conflicts between the module tlk and any
/// tlk's defined in the hifs. It does this by attempting to build a
/// new tlk file containing all of the tlk entries from all tlks. If there
/// are no overlapping entries in the tlks's then this will succeed and
/// the name of the new tlk will be returned, if there are overlaps then
/// this will fail and string.Empty will be returned.
/// </summary>
/// <param name="hakInfos">The HIFs being added to the module</param>
/// <param name="module">The module for which we are resolving conflicts</param>
/// <param name="moduleInfo">The module info for the module</param>
/// <param name="conflicts">The list of files in conflict</param>
/// <returns>The name of the merge hak file, or string.Empty if a merge tlk
/// could not be generated.</returns>
public string ResolveConflicts(HakInfo[] hakInfos, Erf module, ModuleInfo moduleInfo,
OverwriteWarningCollection conflicts)
{
try
{
// Reset the message shown flag so we show the message once.
conflictHakMessageShown = false;
// Generate the name of the conflict resolution hak and the directory
// in which to place the files that will be added to the hak.
conflictHak = GetFileName(module, "hak");
conflictHakDir = NWN.NWNInfo.GetFullFilePath(conflictHak) + ".temp";
OverwriteWarningCollection copy = conflicts.Clone();
foreach (OverwriteWarning conflict in copy)
{
// Check to see if we can attempt to resolve the conflict, if
// we can then attempt to resolve it, and if the resolution is
// successful then remove the conflict from the collection.
switch (Path.GetExtension(conflict.File).ToLower())
{
case ".2da":
DisplayConflictHakMessage(module);
if (Resolve2daConflict(hakInfos, module, moduleInfo, conflict))
conflicts.Remove(conflict);
break;
}
}
// Get all of the files in the conflict hak directory, if there are none
// then there is no conflict hak.
if (!Directory.Exists(conflictHakDir)) return string.Empty;
string[] files = Directory.GetFiles(conflictHakDir);
if (0 == files.Length) return string.Empty;
// We have some resolved conflicts make the merge hak.
Erf hak = Erf.New(Erf.ErfType.HAK, "Auto-generated merge hak");
foreach (string file in files)
hak.AddFile(file, true);
hak.SaveAs(NWN.NWNInfo.GetFullFilePath(conflictHak));
return conflictHak;
}
finally
{
if (Directory.Exists(conflictHakDir)) Directory.Delete(conflictHakDir, true);
}
}
/// <summary>
/// This function checks for hak conflicts, checking to see if any files
/// in the hifs will overwrite files in the module or vica versa. If
/// overwrites will happen, it prompts the user to see if we should continue,
/// throwing an InstallCancelledException() if the user chooses to cancel.
/// </summary>
/// <param name="hakInfos">The hak infos being added to the module</param>
/// <param name="decompressedErfs">The decompressed erfs</param>
/// <param name="module">The module</param>
/// <param name="moduleInfo">The module info</param>
/// <param name="progress">The object implemening the progress interface</param>
private void CheckForHakConflicts(HakInfo[] hakInfos,
StringCollection decompressedErfs, Erf module, ModuleInfo moduleInfo,
IHakInstallProgress progress)
{
// Create a hashtable for fast lookup and add all of the files in all
// of the decompressed erf's to it.
Hashtable hifErfHash = new Hashtable(10000);
foreach(string directory in decompressedErfs)
{
// Strip the ".temp" off the end of the name.
string erf = Path.GetFileNameWithoutExtension(directory);
string[] files = Directory.GetFiles(directory);
foreach (string file in files)
{
// Only add the ERF file if it's not already there. We assume that
// the ERF's in the HIF play well together so we ignore duplicates.
string key = Path.GetFileName(file).ToLower();
if ("exportinfo.gff" != key && !hifErfHash.Contains(key)) hifErfHash.Add(key, erf.ToLower());
}
}
// Build a list of all of the added haks.
StringCollection hakInfoHaks = new StringCollection();
foreach (HakInfo hakInfo in hakInfos)
{
StringCollection temp = hakInfo.ModuleProperties["hak"] as StringCollection;
if (null != temp)
{
foreach (string tempString in temp)
hakInfoHaks.Add(tempString.ToLower());
}
}
// Add all of the files in all of the haks to the hash table.
Hashtable hifHakHash = new Hashtable(10000);
foreach (string hakName in hakInfoHaks)
{
Erf hak = Erf.Load(NWNInfo.GetFullFilePath(hakName));
StringCollection files = hak.Files;
foreach (string file in files)
try
{
string key = file.ToLower();
string hakNameLower = hakName.ToLower();
hifHakHash.Add(key, hakNameLower);
}
catch (ArgumentException)
{}
}
// At this point we have built a lookup hash table that contains every
// file going into the module (either directly in an erf or indirectly
// in a hak). Now we need to loop through all of the files in the
// module (and all of it's haks) and check to see if any of them are
// going to get overwritten. At this point we have several cases.
// 1. Module content is going to get replaced by erf content. We
// do not handle that case now, we wait until the end and allow
// the user to selectivly overwrite whatever they wish.
// 2. Module content is going to get replaced by hak content. We must
// warn the user that module files will not be used and the module
// may not work.
// 3. Module hak content is going to get replaced by hak content. Same
// as above.
// 4. Module hak content is going to overwrite erf content from the hif.
// In this case the hif's content is the content that is going to be
// ignored, again the user has to be warned.
OverwriteWarningCollection hakWarnings = new OverwriteWarningCollection();
OverwriteWarningCollection erfWarnings = new OverwriteWarningCollection();
string moduleFileName = Path.GetFileName(module.FileName);
// Loop through all of the files in the module checking to see if files in
// added haks will overwrite them.
StringCollection moduleFiles = module.Files;
foreach (string file in moduleFiles)
{
string source = hifHakHash[file.ToLower()] as string;
if (null != source)
hakWarnings.Add(new OverwriteWarning(file.ToLower(), moduleFileName, source));
}
// Loop through all of the files in the module's haks checking to see if
// files in the added haks will overwrite them or if they will overwrite
// files in added erf's.
StringCollection moduleHaks = moduleInfo.Haks;
foreach (string moduleHak in moduleHaks)
{
// Check to see if the hak in the module is one of the haks being added (this is
// a no-op condition which will result in 100% duplicates, no need to check it).
string hak = moduleHak + ".hak";
if (hakInfoHaks.Contains(hak.ToLower())) continue;
Erf erf = Erf.Load(NWNInfo.GetFullFilePath(hak));
StringCollection hakFiles = erf.Files;
foreach (string file in hakFiles)
{
// If the file is in the hak hash then it is going to be
// overwritten by the hif's haks.
string key = file.ToLower();
string source = hifHakHash[key] as string;
if (null != source)
hakWarnings.Add(new OverwriteWarning(key,
Path.GetFileName(erf.FileName.ToLower()), source));
// If the file is in the erf hash then it will overwrite the
// hif's erf.
source = hifErfHash[key] as string;
if (null != source)
erfWarnings.Add(new OverwriteWarning(key, source,
Path.GetFileName(erf.FileName.ToLower())));
}
}
// We have built the list of conflicts, before asking the user try to resolve the
// conflicts as we may be able to generate a merge hak to resolve some of them.
if (hakWarnings.Count > 0)
{
ConflictResolver resolver = new ConflictResolver(progress);
mergeHak = resolver.ResolveConflicts(hakInfos, module, moduleInfo, hakWarnings);
}
// We have finished checking for files that are going to get overwritten.
// If we have any warnings to issue to the user then do so now.
if (hakWarnings.Count > 0 &&
!progress.ShouldOverwrite(hakWarnings, false, OverwriteWarningType.HifsOverwritesModule))
throw new InstallCancelledException();
if (erfWarnings.Count > 0 &&
!progress.ShouldOverwrite(erfWarnings, false, OverwriteWarningType.ModuleOverwritesHifs))
throw new InstallCancelledException();
}
/// <summary>
/// Makes a clone of the collection
/// </summary>
/// <returns>The clone</returns>
public OverwriteWarningCollection Clone()
{
OverwriteWarningCollection copy = new OverwriteWarningCollection();
foreach (object o in InnerList)
copy.InnerList.Add(o);
return copy;
}
/// <summary>
/// This method should ask the user for confirmation of overwriting
/// the listed files. If fatal is true then there is no confirmation,
/// it is just an informational message that the operation must be aborted.
/// </summary>
/// <param name="warnings">The list of warnings</param>
/// <param name="fatal">True if the warnings are fatal</param>
/// <param name="type">The type of overwrite being confirmed</param>
/// <returns>True if the operation should proceed</returns>
bool IHakInstallProgress.ShouldOverwrite(OverwriteWarningCollection warnings,
bool fatal, OverwriteWarningType type)
{
return true;
}
/// <summary>
/// This method should ask the user for confirmation of overwriting
/// the listed files. If fatal is true then there is no confirmation,
/// it is just an informational message that the operation must be aborted.
/// </summary>
/// <param name="warnings">The list of warnings</param>
/// <param name="fatal">True if the warnings are fatal</param>
/// <param name="type">The type of overwrite being confirmed</param>
/// <returns>True if the operation should proceed</returns>
bool IHakInstallProgress.ShouldOverwrite(OverwriteWarningCollection warnings,
bool fatal, OverwriteWarningType type)
{
OverwriteWarningsForm form = new OverwriteWarningsForm(warnings, fatal, type);
return DialogResult.OK == form.ShowDialog((Form) this);
}
