Implement JSON call to re-root stemma. #29

[scpubgit/stemmaweb.git] / root / js / componentload.js

diff --git a/root/js/componentload.js b/root/js/componentload.js
index 06a8706..61ab006 100644 (file)
--- a/root/js/componentload.js
+++ b/root/js/componentload.js
@@ -1,6 +1,7 @@
 // Global state variables
 var selectedTextID;
 var selectedTextInfo;
+var selectedTextEditable;
 var selectedStemmaID = -1;
 var stemmata = [];
 
@@ -29,6 +30,7 @@ function refreshDirectory () {
 // view pane. Calls load_textinfo.
 function loadTradition( textid, textname, editable ) {
        selectedTextID = textid;
+       selectedTextEditable = editable;
     // First insert the placeholder image and register an error handler
     $('#textinfo_load_status').empty();
     $('#stemma_graph').empty();
@@ -69,7 +71,7 @@ function loadTradition( textid, textname, editable ) {
        } else {
                selectedStemmaID = -1;
                }
-               load_stemma( selectedStemmaID, editable );
+               load_stemma( selectedStemmaID );
        // Set up the relationship mapper button
                $('#run_relater').attr( 'action', _get_url([ "relation", textid ]) );
                // Set up the download button
@@ -110,31 +112,31 @@ function load_textinfo() {
 }      
 
 // Enable / disable the appropriate buttons for paging through the stemma.
-function show_stemmapager ( editable ) {
+function show_stemmapager () {
       $('.pager_left_button').unbind('click').addClass( 'greyed_out' );
       $('.pager_right_button').unbind('click').addClass( 'greyed_out' );
       if( selectedStemmaID > 0 ) {
               $('.pager_left_button').click( function () {
-                      load_stemma( selectedStemmaID - 1, editable );
+                      load_stemma( selectedStemmaID - 1, selectedTextEditable );
               }).removeClass( 'greyed_out' );
       }       
       if( selectedStemmaID + 1 < stemmata.length ) {
               $('.pager_right_button').click( function () {
-                      load_stemma( selectedStemmaID + 1, editable );
+                      load_stemma( selectedStemmaID + 1, selectedTextEditable );
               }).removeClass( 'greyed_out' );
       }
 }
 
 // Load a given stemma SVG into the stemmagraph box.
-function load_stemma( idx, editable ) {
+function load_stemma( idx ) {
        // Load the stemma at idx
        selectedStemmaID = idx;
-       show_stemmapager( editable );
+       show_stemmapager( selectedTextEditable );
        $('#open_stemma_edit').hide();
        $('#run_stexaminer').hide();
        $('#stemma_identifier').empty();
        // Add the relevant Stemweb functionality
-       if( editable ) {
+       if( selectedTextEditable ) {
                if( selectedTextInfo.stemweb_jobid == 0 ) {
                        $('#open_stemweb_ui').show();
                        $('#query_stemweb_ui').hide();
@@ -146,7 +148,7 @@ function load_stemma( idx, editable ) {
        if( idx > -1 ) {
                // Load the stemma and its properties
                var stemmadata = stemmata[idx];
-               if( editable ) {
+               if( selectedTextEditable ) {
                        $('#open_stemma_edit').show();
                }
                if( stemmadata.directed ) {
@@ -227,32 +229,48 @@ function loadSVG(svgData) {
 }
 
 function set_stemma_interactive( svg_element ) {
-    $( "#root_tree_dialog_button_ok" ).click( function() {
-        // AJAX call goes here
-        } );
-    $.each( $( 'ellipse', svg_element ), function(index) {
-        var ellipse = $(this);
-        var g = ellipse.parent( 'g' );
-        g.click( function(evt) {
-            if( typeof root_tree_dialog_timeout !== 'undefined' ) { clearTimeout( root_tree_dialog_timeout ) };
-            g.unbind( 'mouseleave' );
-            var dialog = $( '#root_tree_dialog' );
-            dialog.hide();
-            dialog.css( 'top', evt.pageY + 3 );
-            dialog.css( 'left', evt.pageX + 3 );
-            dialog.show();
-            root_tree_dialog_timeout = setTimeout( function() {
-                $( '#root_tree_dialog' ).hide();
-                ellipse.removeClass( 'stemma_node_highlight' );
-                g.mouseleave( function() { ellipse.removeClass( 'stemma_node_highlight' ) } );
-            }, 3000 );
-        } );
-        g.mouseenter( function() { 
-            $( 'ellipse.stemma_node_highlight' ).removeClass( 'stemma_node_highlight' );
-            ellipse.addClass( 'stemma_node_highlight' ) 
-        } );
-        g.mouseleave( function() { ellipse.removeClass( 'stemma_node_highlight' ) } );
-    } );
+       if( selectedTextEditable ) {
+               $( "#root_tree_dialog_button_ok" ).click( function() {
+                       var requrl = _get_url([ "stemmaroot", selectedTextID, selectedStemmaID ]);
+                       var targetnode = $('ellipse.stemma_node_highlight').parent().attr('id');
+                       $.post( requrl, { root: targetnode }, function (data) {
+                               // Reload the new stemma
+                               stemmata[selectedStemmaID] = data;
+                               load_stemma( selectedStemmaID );
+                               // Put away the dialog
+                               $('#root_tree_dialog').hide();
+                       } );
+               } ).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
+                       if( ajaxSettings.url.indexOf( 'stemmaroot' ) > -1 
+                               && ajaxSettings.type == 'POST' ) {
+                               display_error( jqXHR, $("#stemma_load_status") );
+                       }
+               } );
+               // TODO Clear error at some appropriate point
+               $.each( $( 'ellipse', svg_element ), function(index) {
+                       var ellipse = $(this);
+                       var g = ellipse.parent( 'g' );
+                       g.click( function(evt) {
+                               if( typeof root_tree_dialog_timeout !== 'undefined' ) { clearTimeout( root_tree_dialog_timeout ) };
+                               g.unbind( 'mouseleave' );
+                               var dialog = $( '#root_tree_dialog' );
+                               dialog.hide();
+                               dialog.css( 'top', evt.pageY + 3 );
+                               dialog.css( 'left', evt.pageX + 3 );
+                               dialog.show();
+                               root_tree_dialog_timeout = setTimeout( function() {
+                                       $( '#root_tree_dialog' ).hide();
+                                       ellipse.removeClass( 'stemma_node_highlight' );
+                                       g.mouseleave( function() { ellipse.removeClass( 'stemma_node_highlight' ) } );
+                               }, 3000 );
+                       } );
+                       g.mouseenter( function() { 
+                               $( 'ellipse.stemma_node_highlight' ).removeClass( 'stemma_node_highlight' );
+                               ellipse.addClass( 'stemma_node_highlight' ) 
+                       } );
+                       g.mouseleave( function() { ellipse.removeClass( 'stemma_node_highlight' ) } );
+               } );
+       }
 }
 
 // General-purpose error-handling function.
@@ -387,7 +405,7 @@ function _get_url( els ) {
        return basepath + els.join('/');
 }
 
-
+// TODO Attach unified ajaxError handler to document
 $(document).ready( function() {
        // See if we have the browser functionality we need
        // TODO Also think of a test for SVG readiness