/// <summary>
/// Creates a new Q Set given the content of a .qset file.
/// </summary>
/// <param name="qSetFileContent">qset file content, as an XML string.</param>
/// <returns>New Q Set.</returns>
public static QSetModel CreateQSet(string qSetFileContent)
{
QSetModel newQSet = null;
//start reading xml
XPathDocument xpathDoc = new XPathDocument(IOUtilities.StringToMemoryStream(qSetFileContent));
XPathNavigator xpathNav = xpathDoc.CreateNavigator();
//get root
XPathNodeIterator ni = xpathNav.Select(QSetXmlFileFormat.RootElement.Name);
if (ni.MoveNext())
{
//create qset with existing guids, or create new ones
if (ni.Current.GetAttribute(QSetXmlFileFormat.ItemAttributes.Guid, "") != string.Empty)
{
newQSet = new QSetModel
(
new Guid(ni.Current.GetAttribute(QSetXmlFileFormat.ItemAttributes.Guid, "")),
ni.Current.GetAttribute(QSetXmlFileFormat.ItemAttributes.Name, "")
);
}
else
{
newQSet = new QSetModel(ni.Current.GetAttribute(QSetXmlFileFormat.ItemAttributes.Name, ""));
}
//create all of the child items
CreateChildItems(newQSet, ni);
newQSet.IsDirty = false;
}
return(newQSet);
}
/// <summary>
/// Creates a new Q Set given the content of a .qset file.
/// </summary>
/// <param name="qSetFileContent">qset file content, as an XML string.</param>
/// <returns>New Q Set.</returns>
public static QSetModel CreateQSet(string qSetFileContent)
{
QSetModel newQSet = null;
//start reading xml
XPathDocument xpathDoc = new XPathDocument(IOUtilities.StringToMemoryStream(qSetFileContent));
XPathNavigator xpathNav = xpathDoc.CreateNavigator();
//get root
XPathNodeIterator ni = xpathNav.Select(QSetXmlFileFormat.RootElement.Name);
if (ni.MoveNext())
{
//create qset with existing guids, or create new ones
if (ni.Current.GetAttribute(QSetXmlFileFormat.ItemAttributes.Guid, "") != string.Empty)
newQSet = new QSetModel
(
new Guid(ni.Current.GetAttribute(QSetXmlFileFormat.ItemAttributes.Guid, "")),
ni.Current.GetAttribute(QSetXmlFileFormat.ItemAttributes.Name, "")
);
else
newQSet = new QSetModel(ni.Current.GetAttribute(QSetXmlFileFormat.ItemAttributes.Name, ""));
//create all of the child items
CreateChildItems(newQSet, ni);
newQSet.IsDirty = false;
}
return newQSet;
}
/// <summary>
/// Starts monitoring a specified Q Set.
/// </summary>
/// <param name="qset">Q Set to monitor.</param>
public void Start(QSetModel qset)
{
//ensure any previous monitor is finished, before we re-start
lock (this)
{
//reset member variables
_resetEvent.WaitOne();
_isStopRequested = false;
_itemPairHashTable = new Hashtable();
_monitorListView.Items.Clear();
if (qset != null)
{
//start the monitor
_resetEvent.Reset();
ThreadPool.QueueUserWorkItem(new WaitCallback(MonitorQSetWaitCallBack), qset);
}
else
_resetEvent.Set();
}
}
/// <summary>
/// Displays a QSet in the explorer.
/// </summary>
/// <param name="queueSet">QSet to display.</param>
private void DisplayQSet(QSetModel queueSet)
{
_qsetTreeView.Nodes.Clear();
if (_qset != null)
{
QSetItemTreeNode queueSetNode = new QSetItemTreeNode(_qset);
_qsetTreeView.Nodes.Add((QSetItemTreeNode)queueSetNode);
DisplayQSetChildItems(queueSet, queueSetNode);
}
}
/// <summary>
/// Constructs the object.
/// </summary>
public QSetExplorer()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
_qset = null;
}
/// <summary>
/// Saves a Q Set.
/// </summary>
/// <remarks>It is expected that the filename has been set at this point.</remarks>
/// <param name="qSet">Q Set to save.</param>
/// <param name="fileName">File name.</param>
/// <returns>true if save was succeful, else false.</returns>
private bool DoSaveQSet(QSetModel qSet)
{
bool result = false;
try
{
using (System.IO.StreamWriter sw = new System.IO.StreamWriter(qSet.FileName, false))
{
sw.Write(qSet.ToXml());
sw.Flush();
qSet.IsDirty = false;
result = true;
}
}
catch (Exception exc)
{
//TODO check if file is readonly & tidy up message box, handle IOException
MessageBox.Show(_primaryForms.EnvironmentForm, "Unable to save file, " + exc.Message, Locale.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
SetTitleBarText();
_menuStateManager.SetFileMenuState();
return result;
}
