private void WriteCollection(MemoryStore substore, Gtk.HTMLStream stream)
{
string type = null;
foreach (Statement stmt in substore)
{
if (stmt.Predicate.Uri == MetadataStore.Namespaces.Resolve("rdf:type"))
{
string prefix;
MetadataStore.Namespaces.Normalize(stmt.Object.Uri, out prefix, out type);
}
}
stream.Write("<table cellpadding=5 cellspacing=0 width=100%>");
foreach (Statement sub in substore)
{
if (sub.Object is Literal)
{
string title;
string value = ((Literal)(sub.Object)).Value;
string vc = String.Empty;
Description.GetDescription(substore, sub, out title, out value);
if (type != "Alt")
{
vc = " bgcolor=" + Color(Style.Backgrounds [(int)Gtk.StateType.Normal]);
}
if (type == null)
{
stream.Write(String.Format("<tr bgcolor={3}><td bgcolor={2}>{0}</td><td width=100%>{1}</td></tr>",
Escape(title),
Escape(value),
Color(Style.MidColors [(int)Gtk.StateType.Normal]),
Color(Style.Backgrounds [(int)Gtk.StateType.Normal])));
}
else
{
stream.Write(String.Format("<tr><td{1}>{0}</td></tr>",
Escape(value),
vc));
}
}
else
{
if (type == null)
{
stream.Write("<tr><td>");
MemoryStore substore2 = substore.Select(new Statement((Entity)sub.Object, null, null, null)).Load();
if (substore.StatementCount > 0)
{
WriteCollection(substore2, stream);
}
stream.Write("</tr><td>");
}
}
}
stream.Write("</table>");
}
protected override void OnUrlRequested(string url, Gtk.HTMLStream stream)
{
if (url == "exif:thumbnail")
{
byte [] data = exif_info.Data;
if (data.Length > 0)
{
stream.Write(data, data.Length);
stream.Close(Gtk.HTMLStreamStatus.Ok);
}
else
{
stream.Close(Gtk.HTMLStreamStatus.Error);
}
}
}
void LoadURL( string url )
{
using ( StreamReader sr = new StreamReader( "en/" + url ) )
{
s2 = html_en.Begin();
s2.Write( sr.ReadToEnd() );
html_en.End (s2, Gtk.HTMLStreamStatus.Ok);
}
using( StreamReader sr = new StreamReader( "es/" + url ) )
{
s3 = html_es.Begin();
s3.Write( sr.ReadToEnd() );
html_es.End (s3, Gtk.HTMLStreamStatus.Ok);
}
}
public Navegador()
: base("navegador")
{
SetDefaultSize( 300, 300);
DeleteEvent += new Gtk.DeleteEventHandler( Quit );
hbox = new Gtk.HBox( false, 3 );
Add( hbox );
Gtk.ScrolledWindow sw1 = new Gtk.ScrolledWindow();
Gtk.ScrolledWindow sw2 = new Gtk.ScrolledWindow();
Gtk.ScrolledWindow sw3 = new Gtk.ScrolledWindow();
html_enlaces = new Gtk.HTML();
sw1.Add( html_enlaces );
html_en = new Gtk.HTML();
sw2.Add( html_en );
html_es = new Gtk.HTML();
sw3.Add( html_es );
hbox.PackStart( sw1, true, true, 1 );
hbox.PackStart( sw2, true, true, 1 );
hbox.PackStart( sw3, true, true, 1 );
s1 = html_enlaces.Begin("text/html");
s2 = html_en.Begin("text/html");
s3 = html_es.Begin("text/html");
using (StreamReader sr1 = new StreamReader( "es/index.html") )
{
s1.Write( sr1.ReadToEnd() );
}
html_enlaces.End (s1, Gtk.HTMLStreamStatus.Ok);
html_enlaces.LinkClicked += new Gtk.LinkClickedHandler (OnLinkClicked);
html_en.LinkClicked += new Gtk.LinkClickedHandler (OnLinkClicked);
html_es.LinkClicked += new Gtk.LinkClickedHandler (OnLinkClicked);
LoadURL( "1.html" );
ShowAll();
}
public StreamSink(SemWeb.StatementSource source, Gtk.HTMLStream stream, InfoDisplay info)
{
this.stream = stream;
this.info = info;
this.source = source;
}
private void Update()
{
Gtk.HTMLStream stream = this.Begin(null, "text/html; charset=utf-8", Gtk.HTMLBeginFlags.Scroll);
string bg = Color(this.Style.Background(Gtk.StateType.Active));
string fg = Color(this.Style.Foreground(Gtk.StateType.Active));
string ig = Color(this.Style.Base(Gtk.StateType.Active));
stream.Write("<table width=100% cellpadding=5 cellspacing=0>");
bool empty = true;
bool missing = false;
System.Exception error = null;
if (exif_info != null)
{
foreach (Exif.ExifContent content in exif_info.GetContents())
{
Exif.ExifEntry [] entries = content.GetEntries();
if (entries.Length > 0)
{
empty = false;
break;
}
}
if (exif_info.Data.Length > 0)
{
stream.Write(String.Format("<tr><td colspan=2 align=\"center\" bgcolor=\"{0}\">" +
"<img center src=\"exif:thumbnail\"></td></tr>", ig));
}
int i = 0;
foreach (Exif.ExifContent content in exif_info.GetContents())
{
Exif.ExifEntry [] entries = content.GetEntries();
i++;
if (entries.Length < 1)
{
continue;
}
stream.Write("<tr><th align=left bgcolor=\"" + ig + "\" colspan=2>"
+ Exif.ExifUtil.GetIfdNameExtended((Exif.Ifd)i - 1) + "</th><tr>");
foreach (Exif.ExifEntry entry in entries)
{
stream.Write("<tr><td valign=top align=right bgcolor=\"" + bg + "\"><small><font color=\"" + fg + "\">");
if (entry.Title != null)
{
stream.Write(entry.Title);
}
else
{
stream.Write("<Unknown Tag ID=" + entry.Tag.ToString() + ">");
}
stream.Write("</font></small></td><td>");
string s = entry.Value;
if (s != null && s != String.Empty)
{
stream.Write(s);
}
stream.Write("</td><tr>");
}
}
}
if (photo != null)
{
MetadataStore store = new MetadataStore();
try {
using (ImageFile img = ImageFile.Create(photo.DefaultVersionUri)) {
if (img is SemWeb.StatementSource)
{
StatementSource source = (StatementSource)img;
source.Select(store);
}
}
} catch (System.IO.FileNotFoundException) {
missing = true;
} catch (System.Exception e) {
// Sometimes we don't get the right exception, check for the file
if (!System.IO.File.Exists(photo.DefaultVersionUri.LocalPath))
{
missing = true;
}
else
{
// if the file is there but we still got an exception display it.
error = e;
}
}
if (store.StatementCount > 0)
{
#if false
using (System.IO.Stream xmpstream = System.IO.File.OpenWrite("tmp.xmp")) {
xmpstream.Length = 0;
FSpot.Xmp.XmpFile file;
file = new FSpot.Xmp.XmpFile();
store.Select(file);
file.Save(xmpstream);
}
#endif
empty = false;
stream.Write("<tr><th align=left bgcolor=\"" + ig + "\" colspan=2>"
+ Catalog.GetString("Extended Metadata") + "</th></tr>");
foreach (Statement stmt in store)
{
// Skip anonymous subjects because they are
// probably part of a collection
if (stmt.Subject.Uri == null && store.SelectSubjects(null, stmt.Subject).Length > 0)
{
continue;
}
string title;
string value;
Description.GetDescription(store, stmt, out title, out value);
stream.Write("<tr><td valign=top align=right bgcolor=\"" + bg + "\"><small><font color=\"" + fg + "\">");
stream.Write(title);
stream.Write("</font></small></td><td width=100%>");
if (value != null)
{
value = Escape(value);
}
else
{
MemoryStore substore = store.Select(new Statement((Entity)stmt.Object, null, null, null)).Load();
WriteCollection(substore, stream);
}
if (value != null && value != String.Empty)
{
stream.Write(value);
}
stream.Write("</td></tr>");
}
}
if (Core.Database != null && photo is Photo)
{
stream.Write("<tr><th align=left bgcolor=\"" + ig + "\" colspan=2>" + Catalog.GetString("Exported Locations") + "</th></tr>");
Photo p = photo as Photo;
foreach (ExportItem export in Core.Database.Exports.GetByImageId(p.Id, p.DefaultVersionId))
{
string url = GetExportUrl(export);
string label = GetExportLabel(export);
if (url == null || label == null)
{
continue;
}
stream.Write("<tr colspan=2><td width=100%>");
stream.Write(String.Format("<a href=\"{0}\">{1}</a>", url, label));
stream.Write("</font></small></td></tr>");
}
}
}
if (empty)
{
string msg;
if (photo == null)
{
// FIXME we should pass the full selection to the info display and let it
// handle multiple items however it wants.
msg = String.Format("<tr><td valign=top align=center bgcolor=\"{0}\">"
+ "<b>{1}</b></td></tr>", ig,
Catalog.GetString("No active photo"));
}
else if (missing)
{
string text = String.Format(Catalog.GetString("The photo \"{0}\" does not exist"), photo.DefaultVersionUri);
msg = String.Format("<tr><td valign=top align=center bgcolor=\"{0}\">"
+ "<b>{1}</b></td></tr>", ig, text);
}
else
{
msg = String.Format("<tr><td valign=top align=center bgcolor=\"{0}\">"
+ "<b>{1}</b></td></tr>", ig,
Catalog.GetString("No metadata available"));
if (error != null)
{
String.Format("<pre>{0}</pre>", error);
}
}
stream.Write(msg);
}
stream.Write("</table>");
End(stream, Gtk.HTMLStreamStatus.Ok);
}
public StreamSink (SemWeb.StatementSource source, Gtk.HTMLStream stream, InfoDisplay info)
{
this.stream = stream;
this.info = info;
this.source = source;
}
