/// <summary>
/// Completion set constructor - only called from the Create method
/// </summary>
/// <param name="node"></param>
/// <param name="point"></param>
internal CompletionSet(DesignerNode node, SnapshotPoint point)
: base("Django Completions", null, null, null)
{
// calculate the span to be replaced with user selection
Span span = new Span(point.Position, 0);
if (node.SnapshotSpan.IntersectsWith(span))
span = node.SnapshotSpan.Span;
ApplicableTo = point.Snapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeInclusive);
// claculate the filter span (see above)
filterSpan = point.Snapshot.CreateTrackingSpan(span.Start, point.Position - span.Start, SpanTrackingMode.EdgeInclusive);
this.node = node;
}
protected override void Initialize(Source source, DesignerNode node, SnapshotPoint point)
{
base.Initialize(source, node, point);
switch (source.Context)
{
case CompletionContext.QuotedString:
quote_char = '"';
break;
case CompletionContext.AposString:
quote_char = '\'';
break;
default:
System.Diagnostics.Debug.Assert(true, "Contexts other than QuotedString and AposString are not allowed, context=" + source.Context.ToString());
break;
}
source.Session.Committed += new EventHandler(Session_Committed);
}
/// <summary>
/// Creates the designer (proxy) node over the real syntax node passed in as a parameter
/// Also recursively creates child nodes for all 'real' node children
/// </summary>
/// <param name="parent"></param>
/// <param name="snapshot"></param>
/// <param name="node"></param>
public DesignerNode(NodeProvider provider, DesignerNode parent, ITextSnapshot snapshot, INode node)
{
this.Provider = provider;
Parent = parent;
this.node = node;
if (node.NodeType == NodeType.ParsingContext)
{
snapshotSpan = new SnapshotSpan(snapshot, node.Position + node.Length, 0);
extensionSpan = new SnapshotSpan(snapshot, node.Position, node.Length);
}
else
{
snapshotSpan = new SnapshotSpan(snapshot, node.Position, node.Length);
int offset = 0;
if (IsCompletionProvider)
{
ITextSnapshotLine line = snapshot.GetLineFromPosition(node.Position);
// if the Value list is not empty, expand the snapshotSpan
// to include leading whitespaces, so that when a user
// types smth in this space he will get the dropdown
for (; node.Position - offset > line.Extent.Start.Position; offset++)
{
switch (snapshot[node.Position - offset - 1])
{
case ' ':
case '\t':
continue;
default:
break;
}
break;
}
}
extensionSpan = new SnapshotSpan(snapshot, node.Position - offset, offset);
}
foreach (IEnumerable <INode> list in node.Nodes.Values)
{
foreach (INode child in list)
{
children.Add(new DesignerNode(provider, this, snapshot, child));
}
}
}
/// <summary>
/// Creates the designer (proxy) node over the real syntax node passed in as a parameter
/// Also recursively creates child nodes for all 'real' node children
/// </summary>
/// <param name="parent"></param>
/// <param name="snapshot"></param>
/// <param name="node"></param>
public DesignerNode(NodeProvider provider, DesignerNode parent, ITextSnapshot snapshot, INode node)
{
this.provider = provider;
Parent = parent;
this.node = node;
if (node.NodeType == NodeType.ParsingContext)
{
snapshotSpan = new SnapshotSpan(snapshot, node.Position + node.Length, 0);
extensionSpan = new SnapshotSpan(snapshot, node.Position, node.Length);
}
else
{
snapshotSpan = new SnapshotSpan(snapshot, node.Position, node.Length);
int offset = 0;
if (node.Values.GetEnumerator().MoveNext())
{
ITextSnapshotLine line = snapshot.GetLineFromPosition(node.Position);
// if the Value list is not empty, expand the snapshotSpan
// to include leading whitespaces, so that when a user
// types smth in this space he will get the dropdown
for (; node.Position - offset > line.Extent.Start.Position; offset++)
{
switch (snapshot[node.Position - offset - 1])
{
case ' ':
case '\t':
continue;
default:
break;
}
break;
}
}
extensionSpan = new SnapshotSpan(snapshot, node.Position - offset, offset);
}
foreach (IEnumerable<INode> list in node.Nodes.Values)
foreach (INode child in list)
children.Add(new DesignerNode(provider, this, snapshot, child));
}
internal TagName(Source source, DesignerNode node, SnapshotPoint point)
: base(source, node, point)
{
}
private TagCompletionSet(DesignerNode node, SnapshotPoint point)
: base(node, point)
{
}
public ValueCompletionSet(Source source, DesignerNode node, SnapshotPoint point)
: base(source, node, point)
{
}
public ValueCompletionSet(DesignerNode node, SnapshotPoint point)
: base(node, point)
{
}
internal TagNameCompletionSet(DesignerNode node, SnapshotPoint point)
: base(node, point)
{
}
protected override void Initialize(DesignerNode node, SnapshotPoint point)
{
base.Initialize(node, point);
this.quote_char = node.SnapshotSpan.GetText()[0];
}