void next_Click(object sender, System.EventArgs e)
{
bool userChangedFeatures = UserSelectedItems?.JoinBy(",") != InitialUserSelectedItems.JoinBy(",");
if (userChangedFeatures)
{
string itemsToInstall = features.Where(x => x.IsViewChecked())
.Select(x => x.Name)
.JoinBy(",");
string itemsToRemove = features.Where(x => !x.IsViewChecked())
.Select(x => x.Name)
.JoinBy(",");
if (itemsToRemove.Any())
{
Runtime.Session["REMOVE"] = itemsToRemove;
}
if (itemsToInstall.Any())
{
Runtime.Session["ADDLOCAL"] = itemsToInstall;
}
}
else
{
Runtime.Session["REMOVE"] = "";
Runtime.Session["ADDLOCAL"] = "";
}
SaveUserSelection();
Shell.GoNext();
}
void BuildFeaturesHierarchy()
{
features = Runtime.Session.Features;
//build the hierarchy tree
var rootItems = features.Where(x => x.ParentName.IsEmpty())
.OrderBy(x => x.RawDisplay)
.ToArray();
var itemsToProcess = new Queue <FeatureItem>(rootItems); //features to find the children for
while (itemsToProcess.Any())
{
var item = itemsToProcess.Dequeue();
//create the view of the feature
var view = new ReadOnlyTreeNode
{
Text = item.Title,
Tag = item, //link view to model
IsReadOnly = item.DisallowAbsent,
DefaultChecked = item.DefaultIsToBeInstalled(),
Checked = item.DefaultIsToBeInstalled()
};
item.View = view;
if (item.Parent != null && item.Display != FeatureDisplay.hidden)
{
(item.Parent.View as TreeNode).Nodes.Add(view); //link child view to parent view
}
// even if the item is hidden process all its children so the correct hierarchy is established
// find all children
features.Where(x => x.ParentName == item.Name)
.ForEach(c =>
{
c.Parent = item; //link child model to parent model
itemsToProcess.Enqueue(c); //schedule for further processing
});
if (UserSelectedItems != null)
{
view.Checked = UserSelectedItems.Contains((view.Tag as FeatureItem).Name);
}
if (item.Display == FeatureDisplay.expand)
{
view.Expand();
}
}
//add views to the treeView control
rootItems.Where(x => x.Display != FeatureDisplay.hidden)
.Select(x => x.View)
.Cast <TreeNode>()
.ForEach(node => featuresTree.Nodes.Add(node));
InitialUserSelectedItems = features.Where(x => x.IsViewChecked())
.Select(x => x.Name)
.OrderBy(x => x)
.ToList();
isAutoCheckingActive = true;
}
