X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=root%2Fjs%2Fcomponentload.js;h=00a49612e4b70af42466a67bc972edd75b3e6e7c;hb=e6d34d3e5a298e6d40e10dd313ba5f5cf3bb44e3;hp=87cc0ef0aaa402e08119f86152376426b2432f70;hpb=f79dd72c83682e51deb1fd9494d0ed066ecfc3f3;p=scpubgit%2Fstemmaweb.git
diff --git a/root/js/componentload.js b/root/js/componentload.js
index 87cc0ef..00a4961 100644
--- a/root/js/componentload.js
+++ b/root/js/componentload.js
@@ -1,23 +1,827 @@
-function loadTradition( textid, textname ) {
- // First insert the placeholder image
- var basepath = window.location.pathname
- if( basepath.lastIndexOf('/') == basepath.length - 1 ) {
- basepath = basepath.slice( 0, basepath.length - 1)
- };
- var imghtml = '
'
+// Global state variables
+var selectedTextID;
+var selectedTextInfo;
+var selectedTextEditable;
+var selectedStemmaID = -1;
+var stemmata = [];
+
+// Load the names of the appropriate traditions into the directory div.
+function refreshDirectory () {
+ var lmesg = $('#loading_message').clone();
+ $('#directory').empty().append( lmesg.contents() );
+ $('#directory').load( _get_url(["directory"]),
+ function(response, status, xhr) {
+ if (status == "error") {
+ var msg = "An error occurred: ";
+ $("#directory").html(msg + xhr.status + " " + xhr.statusText);
+ } else {
+ if( textOnLoad != "" ) {
+ // Call the click callback for the relevant text, if it is
+ // in the page.
+ $('#'+textOnLoad).click();
+ textOnLoad = "";
+ }
+ }
+ }
+ );
+}
+
+// Load a tradition with its information and stemmata into the tradition
+// 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();
- $('#stemma_graph').append( imghtml );
+ $('#textinfo_waitbox').show();
+ $('#textinfo_container').hide().ajaxError(
+ function(event, jqXHR, ajaxSettings, thrownError) {
+ if( ajaxSettings.url.indexOf( 'textinfo' ) > -1 && ajaxSettings.type == 'GET' ) {
+ $('#textinfo_waitbox').hide();
+ $('#textinfo_container').show();
+ display_error( jqXHR, $("#textinfo_load_status") );
+ }
+ });
+
+ // Hide the functionality that is irrelevant
+ if( editable ) {
+ $('#open_stemma_add').show();
+ $('#open_textinfo_edit').show();
+ $('#relatebutton_label').text('View collation and edit relationships');
+ } else {
+ $('#open_stemma_add').hide();
+ $('#open_stemweb_ui').hide();
+ $('#query_stemweb_ui').hide();
+ $('#open_textinfo_edit').hide();
+ $('#relatebutton_label').text('View collation and relationships');
+ }
+
// Then get and load the actual content.
- // TODO: scale #stemma_grpah both horizontally and vertically
+ // TODO: scale #stemma_graph both horizontally and vertically
// TODO: load svgs from SVG.Jquery (to make scaling react in Safari)
- $('#stemma_graph').load( basepath + "/stemma/" + textid );
+ $.getJSON( _get_url([ "textinfo", textid ]), function (textdata) {
+ // Add the scalar data
+ selectedTextInfo = textdata;
+ load_textinfo();
+ // Add the stemma(ta)
+ stemmata = textdata.stemmata;
+ if( stemmata.length ) {
+ selectedStemmaID = 0;
+ } else {
+ selectedStemmaID = -1;
+ }
+ load_stemma( selectedStemmaID );
+ // Set up the relationship mapper button
+ $('#run_relater').attr( 'action', _get_url([ "relation", textid ]) );
+ // Set up the download button
+ $('#dl_tradition').attr( 'href', _get_url([ "download", textid ]) );
+ $('#dl_tradition').attr( 'download', selectedTextInfo.name + '.xml' );
+ });
+}
+
+// Load the metadata about a tradition into the appropriate div.
+function load_textinfo() {
+ $('#textinfo_waitbox').hide();
+ $('#textinfo_load_status').empty();
+ $('#textinfo_container').show();
+ $('.texttitle').empty().append( selectedTextInfo.name );
+ // Witnesses
+ $('#witness_num').empty().append( selectedTextInfo.witnesses.size );
+ $('#witness_list').empty().append( selectedTextInfo.witnesses.join( ', ' ) );
+ // Who the owner is
+ $('#owner_id').empty().append('no one');
+ if( selectedTextInfo.owner ) {
+ var owneremail = selectedTextInfo.owner;
+ var chop = owneremail.indexOf( '@' );
+ if( chop > -1 ) {
+ owneremail = owneremail.substr( 0, chop + 1 ) + '...';
+ }
+ $('#owner_id').empty().append( owneremail );
+ }
+ // Whether or not it is public
+ $('#not_public').empty();
+ if( selectedTextInfo['public'] == false ) {
+ $('#not_public').append('NOT ');
+ }
+ // What language setting it has, if any
+ $('#marked_language').empty().append('no language set');
+ if( selectedTextInfo.language && selectedTextInfo.language != 'Default' ) {
+ $('#marked_language').empty().append( selectedTextInfo.language );
+ }
+}
+
+// Enable / disable the appropriate buttons for paging through the stemma.
+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, selectedTextEditable );
+ }).removeClass( 'greyed_out' );
+ }
+ if( selectedStemmaID + 1 < stemmata.length ) {
+ $('.pager_right_button').click( function () {
+ load_stemma( selectedStemmaID + 1, selectedTextEditable );
+ }).removeClass( 'greyed_out' );
+ }
+}
+
+// Load a given stemma SVG into the stemmagraph box.
+function load_stemma( idx ) {
+ // Load the stemma at idx
+ selectedStemmaID = idx;
+ show_stemmapager( selectedTextEditable );
+ $('#open_stemma_edit').hide();
+ $('#run_stexaminer').hide();
+ $('#stemma_identifier').empty();
+ // Add the relevant Stemweb functionality
+ if( selectedTextEditable ) {
+ switch_stemweb_ui();
+ }
+ if( idx > -1 ) {
+ // Load the stemma and its properties
+ var stemmadata = stemmata[idx];
+ if( selectedTextEditable ) {
+ $('#open_stemma_edit').show();
+ }
+ if( stemmadata.directed ) {
+ // Stexaminer submit action
+ var stexpath = _get_url([ "stexaminer", selectedTextID, idx ]);
+ $('#run_stexaminer').attr( 'action', stexpath );
+ $('#run_stexaminer').show();
+ }
+ loadSVG( stemmadata.svg );
+ $('#stemma_identifier').text( stemmadata.name );
+ setTimeout( 'start_element_height = $("#stemma_graph .node")[0].getBBox().height;', 500 );
+ }
+}
+
+function switch_stemweb_ui() {
+ if( selectedTextInfo.stemweb_jobid == 0 ) {
+ // We want to run Stemweb.
+ $('#open_stemweb_ui').show();
+ $('#query_stemweb_ui').hide();
+ if( ! $('#stemweb-ui-dialog').dialog('isOpen') ) {
+ $('#call_stemweb').show()
+ $('#stemweb_run_button').show();
+ }
+ } else {
+ $('#query_stemweb_ui').show();
+ $('#open_stemweb_ui').hide();
+ $('#call_stemweb').hide();
+ $('#stemweb_run_button').hide();
+ }
+}
+
+function query_stemweb_progress() {
+ var requrl = _get_url([ "stemweb", "query", selectedTextInfo.stemweb_jobid ]);
+ $('#stemweb-ui-dialog').dialog('open');
+ $('#stemweb_run_status').empty().append(
+ _make_message( 'notification', 'Querying Stemweb for calculation progress...') );
+ $.getJSON( requrl, function (data) {
+ process_stemweb_result( data );
+ });
+ // TODO need an error handler
+}
+
+function process_stemweb_result(data) {
+ // Look for a status message, either success, running, or notfound.
+ if( data.status === 'success' ) {
+ // Add the new stemmata to the textinfo and tell the user.
+ selectedTextInfo.stemweb_jobid = 0;
+ if( data.stemmata.length > 0 ) {
+ stemmata = stemmata.concat( data.stemmata );
+ if( selectedStemmaID == -1 ) {
+ // We have a stemma for the first time; load the first one.
+ load_stemma( 0, true );
+ } else {
+ // Move to the index of the first added stemma.
+ var newIdx = stemmata.length - data.stemmata.length;
+ load_stemma( newIdx, true );
+ }
+ $('#stemweb_run_status').empty().append(
+ _make_message( 'notification', 'You have one or more new stemmata!' ) );
+ } else {
+ $('#stemweb_run_status').empty().append(
+ _make_message( 'warning', 'Stemweb run finished with no stemmata...huh?!' ) );
+ }
+ } else if( data.status === 'running' ) {
+ // Just tell the user.
+ $('#stemweb_run_status').empty().append(
+ _make_message( 'notification', 'Your Stemweb query is still running!' ) );
+ } else if( data.status === 'notfound' ) {
+ // Ask the user to refresh, for now.
+ $('#stemweb_run_status').empty().append(
+ _make_message( 'warning', 'Your Stemweb query probably finished and reported back. Please reload to check.' ) );
+ } else if( data.status === 'failed' ) {
+ selectedTextInfo.stemweb_jobid = 0;
+ failureMsg = 'Your stemweb query failed';
+ if( data.message ) {
+ failureMsg = failureMsg + ' with the following message: ' + data.message
+ } else {
+ failureMsg = failureMsg + ' without telling us why.'
+ }
+ $('#stemweb_run_status').empty().append(
+ _make_message( 'error', failureMsg ) );
+ }
+}
+
+function _make_message( type, msg ) {
+ theMessage = $('').attr( 'class', type );
+ theMessage.append( msg );
+ return theMessage;
+}
+
+// Load the SVG we are given
+function loadSVG(svgData) {
+ var svgElement = $('#stemma_graph');
+
+ $(svgElement).svg('destroy');
+
+ $(svgElement).svg({
+ loadURL: svgData,
+ onLoad : function () {
+ var theSVG = svgElement.find('svg');
+ var svgoffset = theSVG.offset();
+ var browseroffset = 1;
+ // Firefox needs a different offset, stupidly enough
+ if( navigator.userAgent.indexOf('Firefox') > -1 ) {
+ browseroffset = 3; // works for tall images
+ // ...but if the SVG is wider than it is tall, Firefox treats
+ // the top as being the top of the graph, loaded into the middle
+ // of the canvas, but then the margin at the top of the canvas
+ // extends upward. So we have to find the actual top of the canvas
+ // and correct for *that* instead.
+ var vbdim = svgElement.svg().svg('get').root().viewBox.baseVal;
+ if( vbdim.height < vbdim.width ) {
+ var vbscale = svgElement.width() / vbdim.width;
+ var vbrealheight = vbdim.height * vbscale;
+ browseroffset = 3 + ( svgElement.height() - vbrealheight ) / 2;
+ }
+ }
+ var topoffset = theSVG.position().top - svgElement.position().top - browseroffset;
+ theSVG.offset({ top: svgoffset.top - topoffset, left: svgoffset.left });
+ set_stemma_interactive( theSVG );
+ }
+ });
+}
+
+function set_stemma_interactive( svg_element ) {
+ if( selectedTextEditable ) {
+ $( "#root_tree_dialog_button_ok" ).click( function() {
+ var requrl = _get_url([ "stemmaroot", selectedTextID, selectedStemmaID ]);
+ var targetnode = $('#root_tree_dialog').data( 'selectedNode' );
+ $.post( requrl, { root: targetnode }, function (data) {
+ // Reload the new stemma
+ stemmata[selectedStemmaID] = data;
+ load_stemma( selectedStemmaID );
+ // Put away the dialog
+ $('#root_tree_dialog').data( 'selectedNode', null ).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' );
+ // Note which node triggered the dialog
+ dialog.data( 'selectedNode', g.attr('id') );
+ // Position the 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' ).data( 'selectedNode', null ).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.
+// TODO make sure this gets used throughout, where appropriate.
+function display_error( jqXHR, el ) {
+ var errmsg;
+ if( jqXHR.responseText == "" ) {
+ errmsg = "perhaps the server went down?"
+ } else {
+ var errobj;
+ try {
+ errobj = jQuery.parseJSON( jqXHR.responseText );
+ errmsg = errobj.error;
+ } catch ( parse_err ) {
+ errmsg = "something went wrong on the server."
+ }
+ }
+ var msghtml = $('').attr('class', 'error').text( "An error occurred: " + errmsg );
+ $(el).empty().append( msghtml ).show();
+}
+
+// Event to enable the upload button when a file has been selected
+function file_selected( e ) {
+ if( e.files.length == 1 ) {
+ $('#upload_button').button('enable');
+ $('#new_file_name_container').html( '' + e.files[0].name + '' );
+ } else {
+ $('#upload_button').button('disable');
+ $('#new_file_name_container').html( '(Use \'pick file\' to select a tradition file to upload.)' );
+ }
+}
+
+// Implement our own AJAX method that uses the features of XMLHttpRequest2
+// but try to let it have a similar interface to jquery.post
+// The data var needs to be a FormData() object.
+// The callback will be given a single argument, which is the response data
+// of the given type.
+
+function post_xhr2( url, data, cb, type ) {
+ if( !type ) {
+ type = 'json';
+ }
+ var xhr = new XMLHttpRequest();
+ // Set the expected response type
+ if( type === 'data' ) {
+ xhr.responseType = 'blob';
+ } else if( type === 'xml' ) {
+ xhr.responseType = 'document';
+ }
+ // Post the form
+ // Gin up an AJAX settings object
+ $.ajaxSetup({ url: url, type: 'POST' });
+ xhr.open( 'POST', url, true );
+ // Handle the results
+ xhr.onload = function( e ) {
+ // Get the response and parse it
+ // Call the callback with the response, whatever it was
+ var xhrs = e.target;
+ if( xhrs.status > 199 && xhrs.status < 300 ) { // Success
+ var resp;
+ if( type === 'json' ) {
+ resp = $.parseJSON( xhrs.responseText );
+ } else if ( type === 'xml' ) {
+ resp = xhrs.responseXML;
+ } else if ( type === 'text' ) {
+ resp = xhrs.responseText;
+ } else {
+ resp = xhrs.response;
+ }
+ cb( resp );
+ } else {
+ // Trigger the ajaxError...
+ _trigger_ajaxerror( e );
+ }
+ };
+ xhr.onerror = _trigger_ajaxerror;
+ xhr.onabort = _trigger_ajaxerror;
+ xhr.send( data );
+}
+
+function _trigger_ajaxerror( e ) {
+ var xhr = e.target;
+ var thrown = xhr.statusText || 'Request error';
+ jQuery.event.trigger( 'ajaxError', [ xhr, $.ajaxSettings, thrown ]);
+}
+
+function upload_new () {
+ // Serialize the upload form, get the file and attach it to the request,
+ // POST the lot and handle the response.
+ var newfile = $('#new_file').get(0).files[0];
+ var reader = new FileReader();
+ reader.onload = function( evt ) {
+ var data = new FormData();
+ $.each( $('#new_tradition').serializeArray(), function( i, o ) {
+ data.append( o.name, o.value );
+ });
+ data.append( 'file', newfile );
+ var upload_url = _get_url([ 'newtradition' ]);
+ post_xhr2( upload_url, data, function( ret ) {
+ if( ret.id ) {
+ $('#upload-collation-dialog').dialog('close');
+ refreshDirectory();
+ loadTradition( ret.id, ret.name, 1 );
+ } else if( ret.error ) {
+ $('#upload_status').empty().append(
+ $('').attr('class', 'error').append( ret.error ) );
+ }
+ }, 'json' );
+ };
+ reader.onerror = function( evt ) {
+ var err_resp = 'File read error';
+ if( e.name == 'NotFoundError' ) {
+ err_resp = 'File not found';
+ } else if ( e.name == 'NotReadableError' ) {
+ err_resp == 'File unreadable - is it yours?';
+ } else if ( e.name == 'EncodingError' ) {
+ err_resp == 'File cannot be encoded - is it too long?';
+ } else if ( e.name == 'SecurityError' ) {
+ err_resp == 'File read security error';
+ }
+ // Fake a jqXHR object that we can pass to our generic error handler.
+ var jqxhr = { responseText: '{error:"' + err_resp + '"}' };
+ display_error( jqxhr, $('#upload_status') );
+ $('#upload_button').button('disable');
+ }
- // Then populate the various elements with the right text name/ID.
- // Stemma and variant graph titles
- $('.texttitle').empty();
- $('.texttitle').append( textname );
- // Stexaminer submit action
- $('#run_stexaminer').attr( 'action', basepath + "/stexaminer/" + textid );
- // Relationship mapper submit action
- $('#run_relater').attr( 'action', basepath + "/relation/" + textid );
+ reader.readAsBinaryString( newfile );
+}
+
+// Utility function to neatly construct an application URL
+function _get_url( els ) {
+ return basepath + els.join('/');
}
+
+// TODO Attach unified ajaxError handler to document
+$(document).ready( function() {
+ // See if we have the browser functionality we need
+ // TODO Also think of a test for SVG readiness
+ if( !!window.FileReader && !!window.File ) {
+ $('#compatibility_check').empty();
+ }
+
+ // hide dialog not yet in use
+ $('#root_tree_dialog').hide();
+
+ // call out to load the directory div
+ $('#textinfo_container').hide();
+ $('#textinfo_waitbox').hide();
+ refreshDirectory();
+
+ // Set up the textinfo edit dialog
+ $('#textinfo-edit-dialog').dialog({
+ autoOpen: false,
+ height: 200,
+ width: 300,
+ modal: true,
+ buttons: {
+ Save: function (evt) {
+ $("#edit_textinfo_status").empty();
+ var mybuttons = $(evt.target).closest('button').parent().find('button');
+ mybuttons.button( 'disable' );
+ var requrl = _get_url([ "textinfo", selectedTextID ]);
+ var reqparam = $('#edit_textinfo').serialize();
+ $.post( requrl, reqparam, function (data) {
+ // Reload the selected text fields
+ selectedTextInfo = data;
+ load_textinfo();
+ // Reenable the button and close the form
+ mybuttons.button("enable");
+ $('#textinfo-edit-dialog').dialog('close');
+ }, 'json' );
+ },
+ Cancel: function() {
+ $('#textinfo-edit-dialog').dialog('close');
+ }
+ },
+ open: function() {
+ $("#edit_textinfo_status").empty();
+ // Populate the form fields with the current values
+ // edit_(name, language, public, owner)
+ $.each([ 'name', 'language', 'owner' ], function( idx, k ) {
+ var fname = '#edit_' + k;
+ // Special case: language Default is basically language null
+ if( k == 'language' && selectedTextInfo[k] == 'Default' ) {
+ $(fname).val( "" );
+ } else {
+ $(fname).val( selectedTextInfo[k] );
+ }
+ });
+ if( selectedTextInfo['public'] == true ) {
+ $('#edit_public').attr('checked','true');
+ } else {
+ $('#edit_public').removeAttr('checked');
+ }
+ },
+ }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
+ $(event.target).parent().find('.ui-button').button("enable");
+ if( ajaxSettings.url.indexOf( 'textinfo' ) > -1
+ && ajaxSettings.type == 'POST' ) {
+ display_error( jqXHR, $("#edit_textinfo_status") );
+ }
+ });
+
+
+ // Set up the stemma editor dialog
+ $('#stemma-edit-dialog').dialog({
+ autoOpen: false,
+ height: 700,
+ width: 600,
+ modal: true,
+ buttons: {
+ Save: function (evt) {
+ $("#edit_stemma_status").empty();
+ var mybuttons = $(evt.target).closest('button').parent().find('button');
+ mybuttons.button( 'disable' );
+ var stemmaseq = $('#stemmaseq').val();
+ var requrl = _get_url([ "stemma", selectedTextID, stemmaseq ]);
+ var reqparam = { 'dot': $('#dot_field').val() };
+ // TODO We need to stash the literal SVG string in stemmata
+ // somehow. Implement accept header on server side to decide
+ // whether to send application/json or application/xml?
+ $.post( requrl, reqparam, function (data) {
+ // We received a stemma SVG string in return.
+ // Update the current stemma sequence number
+ selectedStemmaID = data.stemmaid;
+ delete data.stemmaid;
+ // Stash the answer in the appropriate spot in our stemma array
+ stemmata[selectedStemmaID] = data;
+ // Display the new stemma
+ load_stemma( selectedStemmaID, true );
+ // Reenable the button and close the form
+ mybuttons.button("enable");
+ $('#stemma-edit-dialog').dialog('close');
+ }, 'json' );
+ },
+ Cancel: function() {
+ $('#stemma-edit-dialog').dialog('close');
+ }
+ },
+ open: function(evt) {
+ $("#edit_stemma_status").empty();
+ var stemmaseq = $('#stemmaseq').val();
+ if( stemmaseq == 'n' ) {
+ // If we are creating a new stemma, populate the textarea with a
+ // bare digraph.
+ $(evt.target).dialog('option', 'title', 'Add a new stemma')
+ $('#dot_field').val( "digraph \"NAME STEMMA HERE\" {\n\n}" );
+ } else {
+ // If we are editing a stemma, grab its stemmadot and populate the
+ // textarea with that.
+ $(evt.target).dialog('option', 'title', 'Edit selected stemma')
+ $('#dot_field').val( 'Loading, please wait...' );
+ var doturl = _get_url([ "stemmadot", selectedTextID, stemmaseq ]);
+ $.getJSON( doturl, function (data) {
+ // Re-insert the line breaks
+ var dotstring = data.dot.replace(/\|n/gm, "\n");
+ $('#dot_field').val( dotstring );
+ });
+ }
+ },
+ }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
+ $(event.target).parent().find('.ui-button').button("enable");
+ if( ajaxSettings.url.indexOf( 'stemma' ) > -1
+ && ajaxSettings.type == 'POST' ) {
+ display_error( jqXHR, $("#edit_stemma_status") );
+ }
+ });
+
+ $('#stemweb-ui-dialog').dialog({
+ autoOpen: false,
+ height: 'auto',
+ width: 520,
+ modal: true,
+ buttons: {
+ Run: {
+ id: 'stemweb_run_button',
+ text: 'Run',
+ click: function (evt) {
+ $("#stemweb_run_status").empty();
+ var mybuttons = $(evt.target).closest('button').parent().find('button');
+ mybuttons.button( 'disable' );
+ var requrl = _get_url([ "stemweb", "request" ]);
+ var reqparam = $('#call_stemweb').serialize();
+ // TODO We need to stash the literal SVG string in stemmata
+ // somehow. Implement accept header on server side to decide
+ // whether to send application/json or application/xml?
+ $.getJSON( requrl, reqparam, function (data) {
+ mybuttons.button("enable");
+ $('#stemweb-ui-dialog').dialog('close');
+ if( 'jobid' in data ) {
+ // There is a pending job.
+ selectedTextInfo.stemweb_jobid = data.jobid;
+ alert("Your request has been submitted to Stemweb.\nThe resulting tree will appear in due course.");
+ // Reload the current stemma to rejigger the buttons
+ load_stemma( selectedStemmaID, true );
+ } else {
+ // We appear to have an answer; process it.
+ process_stemweb_result( data );
+ }
+ }, 'json' );
+ },
+ },
+ Close: {
+ id: 'stemweb_close_button',
+ text: 'Close',
+ click: function() {
+ $('#stemweb-ui-dialog').dialog('close');
+ switch_stemweb_ui();
+ },
+ },
+ },
+ create: function(evt) {
+ // Call out to Stemweb to get the algorithm options, with which we
+ // populate the form.
+ var algorithmTypes = {};
+ var algorithmArgs = {};
+ var requrl = _get_url([ "stemweb", "available" ]);
+ $.getJSON( requrl, function( data ) {
+ $.each( data, function( i, o ) {
+ if( o.model === 'algorithms.algorithm' ) {
+ // it's an algorithm.
+ algorithmTypes[ o.pk ] = o.fields;
+ } else if( o.model == 'algorithms.algorithmarg' && o.fields.external ) {
+ // it's an option for an algorithm that we should display.
+ algorithmArgs[ o.pk ] = o.fields;
+ }
+ });
+ // TODO if it is an empty object, disable Stemweb entirely.
+ if( !jQuery.isEmptyObject( algorithmTypes ) ) {
+ $.each( algorithmTypes, function( pk, fields ) {
+ var algopt = $('