private void ChmInit()
{
_reader = new HtmlHelpSystem();
HtmlHelpSystem.UrlPrefix = "mk:@MSITStore:";
// use temporary folder for data dumping
string sTemp = System.Environment.GetEnvironmentVariable("TEMP");
if (sTemp.Length <= 0)
{
sTemp = System.Environment.GetEnvironmentVariable("TMP");
}
_prefDumpOutput = sTemp;
// create a dump info instance used for dumping data
_dmpInfo =
new DumpingInfo(DumpingFlags.DumpBinaryTOC | DumpingFlags.DumpTextTOC |
DumpingFlags.DumpTextIndex | DumpingFlags.DumpBinaryIndex |
DumpingFlags.DumpUrlStr | DumpingFlags.DumpStrings,
sTemp, DumpCompression.Medium);
LoadRegistryPreferences();
HtmlHelpSystem.UrlPrefix = _prefURLPrefix;
HtmlHelpSystem.UseHH2TreePics = _prefUseHH2TreePics;
}
/// <summary>
/// Constructor of the class
/// </summary>
public Viewer()
{
Viewer._current = this;
// create a new instance of the classlibrary's main class
_reader = new HtmlHelpSystem();
HtmlHelpSystem.UrlPrefix = "mk:@MSITStore:";
// use temporary folder for data dumping
string sTemp = System.Environment.GetEnvironmentVariable("TEMP");
if (sTemp.Length <= 0)
{
sTemp = System.Environment.GetEnvironmentVariable("TMP");
}
_prefDumpOutput = sTemp;
// create a dump info instance used for dumping data
_dmpInfo =
new DumpingInfo(DumpingFlags.DumpBinaryTOC | DumpingFlags.DumpTextTOC |
DumpingFlags.DumpTextIndex | DumpingFlags.DumpBinaryIndex |
DumpingFlags.DumpUrlStr | DumpingFlags.DumpStrings,
sTemp, DumpCompression.Medium);
LoadRegistryPreferences();
HtmlHelpSystem.UrlPrefix = _prefURLPrefix;
HtmlHelpSystem.UseHH2TreePics = _prefUseHH2TreePics;
InitializeComponent();
}
/// <summary>
/// Opens a chm file and creates
/// </summary>
/// <param name="chmFile">full file path of the chm file to open</param>
/// <param name="dmpInfo">dumping info</param>
/// <remarks>If you call this method, all existing merged files will be cleared.</remarks>
public void OpenFile(string chmFile, DumpingInfo dmpInfo)
{
if (File.Exists(chmFile))
{
_chmFiles.Clear();
_toc.Clear();
_index.Clear();
_informationTypes.Clear();
_categories.Clear();
CHMFile newFile = new CHMFile(this, chmFile, dmpInfo);
_toc = new HtmlHelpToc(newFile.TOC);
_index = new HtmlHelpIndex(newFile.IndexKLinks, newFile.IndexALinks);
_chmFiles.Add(newFile);
// add all infotypes and categories of the read file to this system instance
MergeFileInfoTypesCategories(newFile);
// check if the file has a merged files list
if (newFile.MergedFiles.Length > 0)
{
// extract the path of the chm file (usually merged files are in the same path)
FileInfo fi = new FileInfo(chmFile);
string sPath = fi.DirectoryName;
for (int i = 0; i < newFile.MergedFiles.Length; i++)
{
string sFile = newFile.MergedFiles[i];
if (sFile.Length > 0)
{
if (sFile[1] != ':') // no full path setting
{
sFile = Path.Combine(sPath, sFile);
}
MergeFile(sFile, dmpInfo, true);
}
}
if (newFile.MergLinks.Count > 0)
{
RecalculateMergeLinks(newFile);
}
RemoveMergeLinks(); // clear all merge-links which have no target !
}
}
}
/// <summary>
/// Loads viewer preferences from registry
/// </summary>
private void LoadRegistryPreferences()
{
RegistryKey regKey = Registry.LocalMachine.CreateSubKey(LM_Key);
bool bEnable = bool.Parse(regKey.GetValue("EnableDumping", true).ToString());
_prefDumpOutput = (string)regKey.GetValue("DumpOutputDir", _prefDumpOutput);
_prefDumpCompression = (DumpCompression)((int)regKey.GetValue("CompressionLevel", _prefDumpCompression));
_prefDumpFlags = (DumpingFlags)((int)regKey.GetValue("DumpingFlags", _prefDumpFlags));
if (bEnable)
{
_dmpInfo = new DumpingInfo(_prefDumpFlags, _prefDumpOutput, _prefDumpCompression);
}
else
{
_dmpInfo = null;
}
_prefURLPrefix = (string)regKey.GetValue("ITSUrlPrefix", _prefURLPrefix);
_prefUseHH2TreePics = bool.Parse(regKey.GetValue("UseHH2TreePics", _prefUseHH2TreePics).ToString());
}
/// <summary>
/// Merges a chm file to the current help contents
/// </summary>
/// <param name="chmFile">full file path of the chm file to merge</param>
/// <param name="dmpInfo">dumping info</param>
/// <param name="mergedFileList">true if the merge is done because a merged file list
/// was found in the previously loaded CHM.</param>
internal void MergeFile(string chmFile, DumpingInfo dmpInfo, bool mergedFileList)
{
if (File.Exists(chmFile))
{
if (_chmFiles.Count == 1)
{
// if we open the first file, we directly point into the toc and index of this file.
// So that we don't merge the new toc's indexe's into the first file, we have to
// clone the internal arraylists first to a new instance of the toc/index holder classes.
IList <HtmlHelpTocItem> atoc = _toc.TOC;
IList <HtmlHelpIndexItem> alinks = _index.ALinks;
IList <HtmlHelpIndexItem> klinks = _index.KLinks;
_toc = new HtmlHelpToc();
_index = new HtmlHelpIndex();
_toc.MergeToC(atoc);
_index.MergeIndex(alinks, IndexType.AssiciativeLinks);
_index.MergeIndex(klinks, IndexType.KeywordLinks);
}
CHMFile newFile = new CHMFile(this, chmFile, dmpInfo);
if (mergedFileList) // if we've called this method due to a merged file list merge
{
RecalculateMergeLinks(newFile);
_toc.MergeToC(newFile.TOC, _chmFiles);
_index.MergeIndex(newFile.IndexALinks, IndexType.AssiciativeLinks);
_index.MergeIndex(newFile.IndexKLinks, IndexType.KeywordLinks);
_chmFiles.Add(newFile);
// add all infotypes and categories of the read file to this system instance
MergeFileInfoTypesCategories(newFile);
}
else
{
_toc.MergeToC(newFile.TOC, _chmFiles);
_index.MergeIndex(newFile.IndexALinks, IndexType.AssiciativeLinks);
_index.MergeIndex(newFile.IndexKLinks, IndexType.KeywordLinks);
_chmFiles.Add(newFile);
// add all infotypes and categories of the read file to this system instance
MergeFileInfoTypesCategories(newFile);
// check if the file has a merged files list
if (newFile.MergedFiles.Length > 0)
{
// extract the path of the chm file (usually merged files are in the same path)
FileInfo fi = new FileInfo(chmFile);
string sPath = fi.DirectoryName;
for (int i = 0; i < newFile.MergedFiles.Length; i++)
{
string sFile = newFile.MergedFiles[i];
if (sFile.Length > 0)
{
if (sFile[1] != ':') // no full path setting
{
sFile = Path.Combine(sPath, sFile);
}
MergeFile(sFile, dmpInfo, true);
}
}
//if(newFile.MergLinks.Count > 0)
// RecalculateMergeLinks(newFile);
RemoveMergeLinks(); // clear all merge-links which have no target !
}
}
}
}
/// <summary>
/// Merges a chm file to the current help contents
/// </summary>
/// <param name="chmFile">full file path of the chm file to merge</param>
/// <param name="dmpInfo">dumping info</param>
public void MergeFile(string chmFile, DumpingInfo dmpInfo)
{
MergeFile(chmFile, dmpInfo, false);
}
/// <summary>
/// Called if the user clicks OK
/// </summary>
/// <param name="sender">sender of the event</param>
/// <param name="e">event parameter</param>
private void btnOK_Click(object sender, System.EventArgs e)
{
if (chkDEnableDump.Checked)
{
DumpingFlags flags = 0;
if (chkTextTOC.Checked)
{
flags |= DumpingFlags.DumpTextTOC;
}
if (chkBinTOC.Checked)
{
flags |= DumpingFlags.DumpBinaryTOC;
}
if (chkTextIdx.Checked)
{
flags |= DumpingFlags.DumpTextIndex;
}
if (chkBinIdx.Checked)
{
flags |= DumpingFlags.DumpBinaryIndex;
}
if (chkStrings.Checked)
{
flags |= DumpingFlags.DumpStrings;
}
if (chkUrlstr.Checked)
{
flags |= DumpingFlags.DumpUrlStr;
}
if (chkUrltbl.Checked)
{
flags |= DumpingFlags.DumpUrlTbl;
}
if (chkTopics.Checked)
{
flags |= DumpingFlags.DumpTopics;
}
if (chkFulltext.Checked)
{
flags |= DumpingFlags.DumpFullText;
}
DumpCompression compression = (DumpCompression)cbCompression.SelectedIndex;
string sPath = "";
if (rbSF.Checked)
{
sPath = GetSpecialFolderPath();
}
else
{
sPath = txtFolderName.Text;
}
if (!Directory.Exists(sPath))
{
MessageBox.Show("The path \n " + sPath + "\ndould not be found on your PC !", "Path error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
_prefDumpOutput = sPath;
_prefDumpCompression = compression;
_prefDumpFlags = flags;
_dmpInfo = new DumpingInfo(flags, sPath, compression);
}
else
{
_dmpInfo = null;
}
this.DialogResult = DialogResult.OK;
this.Close();
}
