public void RefreshTree(CSnippetter.CodeEntryCollection codecoll)
{
// Clear the nodes and set the update flag so we don't redraw the control all the time.
this.tvSnippets.Nodes.Clear();
this.tvSnippets.BeginUpdate();
// Loop through all the code snippets and gather a list of categories
ArrayList cats = new ArrayList();
foreach (CSnippetter.CodeEntry entry in codecoll)
{
if (!cats.Contains(entry.CodeCategory))
{
cats.Add(entry.CodeCategory);
}
}
// Add the categories to the snippetter
foreach (string entry in cats)
{
TreeNode node = new TreeNode(entry, 0, 0);
this.tvSnippets.Nodes.Add(node);
}
// Run a second pass on all the code snippets and add them to the select
// categories
foreach (CSnippetter.CodeEntry entry in codecoll)
{
TreeNode parent = GetCategory(entry.CodeCategory);
if (parent == null) // This should never happen
{
continue;
}
TreeNode node = new TreeNode(entry.CodeTitle, 6, 6);
node.Tag = entry;
parent.Nodes.Add(node);
}
// Allow updates to the treeview and expand all nodes
this.tvSnippets.ExpandAll();
this.tvSnippets.EndUpdate();
// Sort the TV
this.tvSnippets.Sorted = true;
}
private void cmdSearch_Click(object sender, System.EventArgs e)
{
if (txtSearch.Text == "" || cmdSearch.Text == "Clear")
{
RefreshTree();
txtSearch.Enabled = true;
cmdSearch.Text = "Search";
return;
}
CSnippetter.CodeEntryCollection coll = frmMain.stc_Snippets.CodeSnippets.Search(txtSearch.Text.Split(' '));
if (coll.Count == 0)
{
MessageBox.Show(this, "Could not find search keywords.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
RefreshTree(coll);
cmdSearch.Text = "Clear";
txtSearch.Enabled = false;
}