src/Tools/jEdit/src/jedit/UserAgent.scala

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Tools/jEdit/src/jedit/UserAgent.scala	Mon Nov 03 16:57:32 2008 +0100
@@ -0,0 +1,39 @@
+package isabelle.jedit
+
+import java.io.ByteArrayInputStream
+import org.xhtmlrenderer.swing.NaiveUserAgent
+import org.xhtmlrenderer.resource.CSSResource
+import isabelle.IsabelleSystem.getenv
+
+object UserAgent {
+  val baseURL = "file://localhost" + getenv("ISABELLE_HOME") + "/lib/html/"
+  val userStylesheet =  "file://localhost" + getenv("ISABELLE_HOME_USER") + "/etc/user.css";
+  val stylesheet = """
+
+@import "isabelle.css";
+
+@import '""" + userStylesheet + """';
+
+messages, message {
+  display: block;
+  white-space: pre-wrap;
+  font-family: Isabelle;
+}
+""" 
+}
+
+class UserAgent extends NaiveUserAgent {
+  override def getCSSResource(uri : String) : CSSResource = {
+    if (uri == UserAgent.baseURL + "style")
+      new CSSResource(
+        new ByteArrayInputStream(UserAgent.stylesheet.getBytes()))
+    else {
+      val stream = resolveAndOpenStream(uri)
+      val resource = new CSSResource(stream)
+      if (stream == null)
+        resource.getResourceInputSource().setByteStream(
+          new ByteArrayInputStream(new Array[Byte](0)))
+      resource
+    }
+  }
+}
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