/// <summary>
/// Loads applications and groups within the current group
/// as child tree nodes
/// </summary>
public void LoadChildren()
{
if (hasLoadedChildren)
return;
this.Nodes.Clear();
var children = GroupApplicationService.GetApplicationsInGroup(Application.Id);
foreach (var child in children)
{
var group = child as EvolutionGroup;
if (group != null)
{
var groupNode = new GroupTreeNode(group, GroupApplicationService);
groupNode.Nodes.Add("Dummy");
this.Nodes.Add(groupNode);
groupNode.LoadAvatar();
}
else
{
var appNode = new ApplicationTreeNode(child);
appNode.NodeFont = new Font(SystemFonts.DefaultFont, FontStyle.Regular);
this.Nodes.Add(appNode);
}
}
hasLoadedChildren = true;
}
/// <summary>
/// Event handler fired when the search button is clicked
/// </summary>
private void searchButton_Click(object sender, EventArgs e)
{
//Provide an indication that something's happening
searchButton.Text = "Searching...";
searchButton.Enabled = false;
//Empty existing search results
searchApplicationTree.Nodes.Clear();
try
{
var results = GroupApplicationService.Search(searchTextBox.Text);
if (results.Count() == 0)
{
// If there are no results, clear the image list to ensure
// the message gets no default icon
//searchApplicationTree.ImageList.Images.Clear();
searchApplicationTree.Nodes.Add("No results");
}
else foreach (var app in results)
{
var group = app as EvolutionGroup;
if (group == null)
{
var appNode = new ApplicationTreeNode(app);
searchApplicationTree.Nodes.Add(appNode);
}
else
{
var groupNode = new GroupTreeNode(group, GroupApplicationService);
searchApplicationTree.Nodes.Add(groupNode);
groupNode.LoadAvatar();
}
}
}
catch
{
// If there are no results, clear the image list to ensure
// the message gets no default icon
searchApplicationTree.ImageList.Images.Clear();
searchApplicationTree.Nodes.Add("An error occured whilst searching for applications");
}
finally
{
// Reset the search button
searchButton.Text = "Search";
searchButton.Enabled = true;
}
}
