private static bool HasValidPanes (Layout layout)
{
var hasPanes = false;
var hasSingleContentPane = false;
var allPanesDistinct = false;
// layout contains some panes
hasPanes = layout.Panes.Count > 0;
if (hasPanes) {
// layout contains single ContentPane
hasSingleContentPane = layout.Panes.SingleOrDefault (p => string.Equals (p.ID, "ContentPane", StringComparison.OrdinalIgnoreCase)) != null;
// all panes have distinct names
allPanesDistinct = layout.Panes.Count == layout.Panes.Distinct (new PaneEqualityComparer ()).Count ();
}
return hasPanes && hasSingleContentPane && allPanesDistinct;
}
public static Layout ParseLayout (string markup)
{
// TODO: Add support for <div id="SomePane" runat="server" ...>...</div> markup
const string runatServer = "runat=\"server\"";
var layout = new Layout ();
var prevEndPaneIndex = 0;
// find first pane
var paneIndex = markup.IndexOf (runatServer, StringComparison.Ordinal);
while (paneIndex >= 0) {
var startPaneIndex = markup.LastIndexOf ("<", paneIndex, StringComparison.Ordinal);
var endPaneIndex = markup.IndexOf ("/>", paneIndex + runatServer.Length, StringComparison.Ordinal) + 2;
var paneMarkup = markup.Substring (startPaneIndex, endPaneIndex - startPaneIndex);
var pane = ParseDynamicPane (paneMarkup);
pane.MarkupBefore = markup.Substring (prevEndPaneIndex, startPaneIndex - prevEndPaneIndex);
prevEndPaneIndex = endPaneIndex;
layout.Panes.Add (pane);
if (endPaneIndex >= (markup.Length - 1)) {
break;
}
// find next pane
paneIndex = markup.IndexOf (runatServer, prevEndPaneIndex, StringComparison.Ordinal);
}
if (layout.Panes.Count > 0) {
layout.Panes [layout.Panes.Count - 1].MarkupAfter = markup.Substring (prevEndPaneIndex);
}
return layout;
}