X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=root%2Fjs%2Fcomponentload.js;h=2df5feca77625f08d56e80a1bcdea5c8d6172e5d;hb=65a0c9c6c2ffa577d6068b7b8c181e84b1bd23bc;hp=35f529abbffe79b24c94e59084fb7b0c531abb70;hpb=ea39d630fa8c1b151593464f5e44a9c96c6103ef;p=scpubgit%2Fstemmaweb.git

diff --git a/root/js/componentload.js b/root/js/componentload.js
index 35f529a..2df5fec 100644
--- a/root/js/componentload.js
+++ b/root/js/componentload.js
@@ -36,7 +36,11 @@ function loadTradition( textid, textname, editable ) {
     	if( stemmata.length ) {
     		selectedStemmaID = 0;
     		load_stemma( selectedStemmaID, basepath );
-    	}
+    	} else {
+			$('#open_stemma_edit').hide();
+			$('#run_stexaminer').hide();
+			show_stemmapager(); // to grey out both buttons
+		}
     	// Set up the relationship mapper button
 		$('#run_relater').attr( 'action', basepath + "/relation/" + textid );
 	});
@@ -67,11 +71,29 @@ function load_textinfo() {
 	}
 }	
 
+function show_stemmapager () {
+      $('.pager_left_button').unbind('click').css( 'opacity', '0.5' );
+      $('.pager_right_button').unbind('click').css( 'opacity', '0.5' );
+      if( selectedStemmaID > 0 ) {
+              $('.pager_left_button').click( function () {
+                      load_stemma( selectedStemmaID - 1 );
+              }).css( 'opacity' , '1.0' );
+      }       
+      if( selectedStemmaID + 1 < stemmata.length ) {
+              $('.pager_right_button').click( function () {
+                      load_stemma( selectedStemmaID + 1 );
+              }).css( 'opacity' , '1.0' );
+      }
+}
+
+
 function load_stemma( idx ) {
+	// Load the stemma at idx
+	selectedStemmaID = idx;
 	if( idx > -1 ) {
-		selectedStemmaID = idx;
 		$('#stemma_graph').empty();
 		$('#stemma_graph').append( stemmata[idx] );
+		show_stemmapager();
 		// Stexaminer submit action
 		var stexpath = basepath + "/stexaminer/" + selectedTextID + "/" + idx;
 		$('#run_stexaminer').attr( 'action', stexpath );