/// <summary>
/// Returns group according to provided name. If group does not exist, it is created and returned
/// </summary>
/// <param name="groupName"></param>
/// <returns></returns>
public InstallGroup GetGroupFromName(string groupName)
{
InstallGroup returnedGroup = new InstallGroup {
exists = true
};
if (!string.IsNullOrEmpty(groupName))
{
bool isFound = false;
foreach (InstallGroup anotherGroup in _Groups)
{
if (groupName.Equals(anotherGroup.name))
{
returnedGroup = anotherGroup;
isFound = true;
break;
}
}
if (!isFound)
{
returnedGroup = new InstallGroup {
name = groupName, exists = true
};
_Groups.Add(returnedGroup);
}
}
return(returnedGroup);
}
/// <summary>
/// Removes group with specified name
/// </summary>
/// <param name="groupToDelete"></param>
public void RemoveGroup(string groupToDelete)
{
// Required group can't be removed
if (!REQUIRED_GROUP_NAME.Equals(groupToDelete))
{
InstallGroup currentGroup = _GetGroup(groupToDelete, _Groups);
if (currentGroup.exists)
{
_Groups.Remove(currentGroup);
// Set instructions to required group
InstallGroup requiredGroup = _GetGroup(REQUIRED_GROUP_NAME, _Groups);
for (int i = 0; i < _PatchInstructions.Count; i++)
{
PatchInstruction currentInstruction = _PatchInstructions[i];
if (currentInstruction.Group.Equals(currentGroup))
{
currentInstruction.Group = requiredGroup;
}
}
}
}
}
/// <summary>
/// Returns group in specified list
/// </summary>
/// <param name="groupName"></param>
/// <param name="groups"></param>
/// <returns></returns>
private static InstallGroup _GetGroup(string groupName, IEnumerable <InstallGroup> groups)
{
InstallGroup returnedGroup = new InstallGroup();
if (groups != null)
{
foreach (InstallGroup anotherGroup in groups)
{
if (anotherGroup.name.Equals(groupName))
{
returnedGroup = anotherGroup;
}
}
}
return(returnedGroup);
}
/// <summary>
/// Computes et return dependancy level of specified group in list
/// </summary>
/// <param name="groupName"></param>
/// <param name="groups"></param>
/// <returns>-1 if specified group does not exist</returns>
public static int GetDependancyLevel(string groupName, List <InstallGroup> groups)
{
// Retrieving group in list
int returnedLevel = -1;
InstallGroup startGroup = _GetGroup(groupName, groups);
if (startGroup.name != null)
{
returnedLevel++;
while (startGroup.parentName != null)
{
returnedLevel++;
startGroup = _GetGroup(startGroup.parentName, groups);
}
}
return(returnedLevel);
}
/// <summary>
/// Updates specified group
/// </summary>
/// <param name="newGroup"></param>
public void UpdateGroup(InstallGroup newGroup)
{
// Searches group with the same name...
int index = 0;
bool isFound = false;
foreach (InstallGroup anotherGroup in _Groups)
{
if (newGroup.name != null &&
newGroup.name.Equals(anotherGroup.name))
{
isFound = true;
break;
}
index++;
}
if (isFound)
{
_Groups[index] = newGroup;
}
}