private void cmdAddClick(object sender, RoutedEventArgs e)
{
SnippetsDataSet.SnippetsTableRow r = snippetsTable.NewSnippetsTableRow();
r.Name = "New Snippet";
r.Category = "Styles";
r.Description = "Add descriptive text here \r\nWill be displayed as tooltip";
r.SampleCode = "\\begin{tikzpicture}\r\n \\draw (1,1)--(3,3);\r\n\\end{tikzpicture}";
r.SnippetCode = "draw";
r.Dependencies = "";
if (lstSnippets.SelectedItem != null)
{
SnippetsDataSet.SnippetsTableRow curr = ((DataRowView)(lstSnippets.SelectedItem)).Row as SnippetsDataSet.SnippetsTableRow;
r.Category = curr.Category;
if (sender == cmdAddClone)
{
// copy settings from current snippet
r.Name = curr.Name; r.Description = curr.Description; r.SampleCode = curr.SampleCode;
r.SnippetCode = curr.SnippetCode; r.Dependencies = curr.Dependencies;
if (!curr.IsEdgeStyleNull())
{
r.EdgeStyle = curr.EdgeStyle;
}
if (!curr.IsNodeStyleNull())
{
r.NodeStyle = curr.NodeStyle;
}
}
}
snippetsTable.Rows.Add(r);
//make sure lstsnippets is update to date (i.e. just added r is shown)
lstSnippets.UpdateLayout();
//now find entry in lstsnippets that corresponds to the just added row r
foreach (DataRowView lstEntry in lstSnippets.Items)
{
if (lstEntry.Row == r)
{
//get the expander of this entry in order to expand it.
Expander eee = GetExpander(lstEntry);
if (eee != null)
{
eee.IsExpanded = true;
}
else
{
eee = GetExpander(lstEntry);
}
//also select the just added entey.
lstSnippets.SelectedItem = lstEntry;
break;
}
}
}
public SnippetsDataSet.SnippetsTableRow tag; // used to remember the datatable row to be changed, if applicable
public CodeSnippet(SnippetsDataSet.SnippetsTableRow r)
{
Name = r.Name;
Category = r.Category;
Description = r.Description;
SampleCode = r.SampleCode;
SnippetCode = r.SnippetCode;
EdgeStyle = r.IsEdgeStyleNull()?"":r.EdgeStyle;
NodeStyle = r.IsNodeStyleNull() ? "" : r.NodeStyle;
Dependencies = r.Dependencies;
IsSelected = false;
IsAlreadyThere = false;
IsChanged = false;
}