protected void registerScripts(AppScripts scripts)
{
scripts.ScriptsFolder = "/ui/";
scripts.Add("component1", "component1.js", "component1.js");
scripts.Add("component2", "component2.js", "component2.js", "component1");
scripts.Add("pagescript1", "pagescript1.js", "pagescript1.js", "component2");
}
protected void writeScriptPath(FileScriptResource script, AppScripts appScripts, WriteDelegate write)
{
string path = Debug ? script.DebugPath : script.MinPath;
// Don't append scripts folder if path looks like:
// http://... https://... //www.blah... /folder/blah...
if (!(path.StartsWith("http") || path.StartsWith("/")))
write(appScripts.ScriptsFolder);
write(path);
}
protected void renderAsync(TextWriter writer, HashSet<ScriptLoadGroup> scriptMap, AppScripts appScripts)
{
string labJsPath = Debug ? appScripts.LabJsSrc : appScripts.LabJsMin;
writer.Write("<script src=");
if (labJsPath.Contains(" "))
writer.Write("\"");
if (!(labJsPath.StartsWith("http") || labJsPath.StartsWith("/")))
writer.Write(appScripts.ScriptsFolder);
writer.Write(labJsPath);
if (labJsPath.Contains(" "))
writer.Write("\"");
writer.WriteLine("></script>");
writer.WriteLine("<script>");
writer.Write("$LAB.setGlobalDefaults({AppendTo:'body'});");
foreach (ScriptLoadGroup group in scriptMap)
{
System.Diagnostics.Debug.Assert(group.Parent == null,
"Root ScriptLoadGroup has a parent, meaning it's not actually at the root!");
StringBuilder inlineScriptSB = new StringBuilder();
StringBuilder fileScriptSB = new StringBuilder();
// Batch up first group of inline scripts and file scripts
foreach (ScriptLoadItem item in group.Scripts)
{
if (item.Script is InlineScriptResource)
{
// Get inline scripts out of the way - these are in the root
// so we don't even bother with LabJs, we just call them.
// Important to include them for concat/minify functionality.
InlineScriptResource script = (InlineScriptResource)item.Script;
inlineScriptSB.AppendLine();
// Function wrapper usually pointless if var keyword not used
// TODO: Handle cases where no vars declared in code that needs
// to be wrapped
//bool wrap = script.Body.Contains("var");
//if (wrap)
inlineScriptSB.AppendLine("(function(){");
inlineScriptSB.AppendLine(script.Body);
//if (wrap)
inlineScriptSB.Append("})();");
}
else
{
// Start the dependency tree - fire off root includes
FileScriptResource script = (FileScriptResource)item.Script;
fileScriptSB.AppendLine();
fileScriptSB.Append(".script('");
writeScriptPath(script, appScripts, delegate(string str)
{
fileScriptSB.Append(str);
});
fileScriptSB.Append("')");
}
}
// Write out first group of inline scripts outside LabJs
writer.Write(inlineScriptSB.ToString());
inlineScriptSB = null;
// Start up LabJs
writer.WriteLine();
writer.Write("$LAB");
// Write out first group of file scripts
writer.Write(fileScriptSB.ToString());
// Start digging through child groups
ScriptLoadGroup childGroup = group.ChildGroup;
while (childGroup != null)
{
fileScriptSB = new StringBuilder();
List<InlineScriptResource> inlineScripts = new List<InlineScriptResource>();
// Batch up inline scripts, and begin building file scripts string
foreach (ScriptLoadItem item in childGroup.Scripts)
{
if (item.Script is InlineScriptResource)
{
InlineScriptResource script = (InlineScriptResource)item.Script;
inlineScripts.Add(script);
}
else
{
FileScriptResource script = (FileScriptResource)item.Script;
fileScriptSB.AppendLine();
fileScriptSB.Append(".script('");
writeScriptPath(script, appScripts, delegate(string str)
{
fileScriptSB.Append(str);
});
fileScriptSB.Append("')");
}
}
writer.WriteLine();
// Write out inline scripts, if any, in a wait() statement so they
// load after their dependencies as requested
if (inlineScripts.Count == 0)
{
// No inline scripts - just a plain wait statement to separate
// the previous round of includes from the scripts waiting in
// fileScriptsSB
writer.Write(".wait()");
}
else
{
// TODO: Get fancier and try to notice a wrapper function and toss it as well,
// probably requires something like Rhino or the DLR to really do right - some
// parsing ourselves of the whole resulting tree after the fact and elimination of
// useless code.
// Actually, we should probably create this piece of script then put it through
// ajaxmin -hc !
// If it's just a function call, ditch the empty params and just pass the function
// Looking for string like "fn();"
if (inlineScripts.Count == 1)
{
if (new Regex(@"^[\w\d_-]+\(\);?$").IsMatch(inlineScripts[0].Body))
{
string body = inlineScripts[0].Body;
// Writes out like .wait(fn)
writer.Write(".wait(");
writer.Write(body.Substring(0, body.IndexOf('(')));
writer.Write(")");
}
else
{
writer.WriteLine(".wait(function(){");
writer.WriteLine(inlineScripts[0].Body);
writer.Write("})");
}
}
else
{
writer.WriteLine(".wait(function(){");
foreach (InlineScriptResource script in inlineScripts)
{
// Dump the body out like
// (function(){
// alert('hi');
// })();
writer.WriteLine("(function(){");
writer.WriteLine(script.Body);
writer.WriteLine("})();");
}
writer.Write("})");
}
}
// Dump out the file scripts string we built earlier in the loop
writer.Write(fileScriptSB.ToString());
// On to the next child
childGroup = childGroup.ChildGroup;
}
writer.WriteLine(";");
}
writer.WriteLine("</script>");
}
protected void renderSimpleScript(ScriptLoadItem item, TextWriter writer, AppScripts appScripts)
{
if (item.Script is InlineScriptResource)
{
var script = (InlineScriptResource)item.Script;
writer.WriteLine("<script>");
writer.WriteLine("(function() {");
writer.WriteLine(script.Body);
writer.WriteLine("})();");
writer.WriteLine("</script>");
}
else
{
var script = (FileScriptResource)item.Script;
writer.Write("<script src=\"");
writeScriptPath(script, appScripts, delegate(string str)
{
writer.Write(str);
});
writer.WriteLine("\"></script>");
}
}
protected void renderSimple(TextWriter writer, HashSet<ScriptLoadGroup> scriptMap, AppScripts appScripts)
{
foreach (ScriptLoadGroup group in scriptMap)
{
foreach (ScriptLoadItem item in group.Scripts)
{
renderSimpleScript(item, writer, appScripts);
}
ScriptLoadGroup childGroup = group.ChildGroup;
while (childGroup != null)
{
foreach (ScriptLoadItem item in childGroup.Scripts)
{
renderSimpleScript(item, writer, appScripts);
}
childGroup = childGroup.ChildGroup;
}
}
}
