<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>On 30 Sep 2007, at 12:15, Philip Orr wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">I'm looking to try and develop a plug-in for Textmate</FONT></P> </BLOCKQUOTE></DIV><BR><DIV>There is no API for plugin development (and hence no manual/tutorials). I think you’d want to hack into the project outline view’s delegate (OakProjectController, from memory) and insert your own delegate method for selection changes (outlineView:shouldSelectItem: from memory). Then you’d just do whatever you want with the info and return YES.</DIV></BODY></HTML>