1 // Global state variables
4 var selectedTextEditable;
5 var selectedStemmaID = -1;
8 // Load the names of the appropriate traditions into the directory div.
9 function refreshDirectory () {
10 var lmesg = $('#loading_message').clone();
11 $('#directory').empty().append( lmesg.contents() );
12 $('#directory').load( _get_url(["directory"]),
13 function(response, status, xhr) {
14 if (status == "error") {
15 var msg = "An error occurred: ";
16 $("#directory").html(msg + xhr.status + " " + xhr.statusText);
18 if( textOnLoad != "" ) {
19 // Call the click callback for the relevant text, if it is
21 $('#'+textOnLoad).click();
29 // Load a tradition with its information and stemmata into the tradition
30 // view pane. Calls load_textinfo.
31 function loadTradition( textid, textname, editable ) {
32 selectedTextID = textid;
33 selectedTextEditable = editable;
34 // First insert the placeholder image and register an error handler
35 $('#textinfo_load_status').empty();
36 $('#stemma_graph').empty();
37 $('#textinfo_waitbox').show();
38 $('#textinfo_container').hide().ajaxError(
39 function(event, jqXHR, ajaxSettings, thrownError) {
40 if( ajaxSettings.url.indexOf( 'textinfo' ) > -1 && ajaxSettings.type == 'GET' ) {
41 $('#textinfo_waitbox').hide();
42 $('#textinfo_container').show();
43 display_error( jqXHR, $("#textinfo_load_status") );
47 // Hide the functionality that is irrelevant
49 $('#open_stemma_add').show();
50 $('#open_textinfo_edit').show();
51 $('#relatebutton_label').text('View collation and edit relationships');
53 $('#open_stemma_add').hide();
54 $('#open_stemweb_ui').hide();
55 $('#query_stemweb_ui').hide();
56 $('#open_textinfo_edit').hide();
57 $('#relatebutton_label').text('View collation and relationships');
60 // Then get and load the actual content.
61 // TODO: scale #stemma_graph both horizontally and vertically
62 // TODO: load svgs from SVG.Jquery (to make scaling react in Safari)
63 $.getJSON( _get_url([ "textinfo", textid ]), function (textdata) {
64 // Add the scalar data
65 selectedTextInfo = textdata;
68 stemmata = textdata.stemmata;
69 if( stemmata.length ) {
72 selectedStemmaID = -1;
74 load_stemma( selectedStemmaID );
75 // Set up the relationship mapper button
76 $('#run_relater').attr( 'action', _get_url([ "relation", textid ]) );
77 // Set up the download button
78 $('#dl_tradition').attr( 'href', _get_url([ "download", textid ]) );
79 $('#dl_tradition').attr( 'download', selectedTextInfo.name + '.xml' );
83 // Load the metadata about a tradition into the appropriate div.
84 function load_textinfo() {
85 $('#textinfo_waitbox').hide();
86 $('#textinfo_load_status').empty();
87 $('#textinfo_container').show();
88 $('.texttitle').empty().append( selectedTextInfo.name );
90 $('#witness_num').empty().append( selectedTextInfo.witnesses.size );
91 $('#witness_list').empty().append( selectedTextInfo.witnesses.join( ', ' ) );
93 $('#owner_id').empty().append('no one');
94 if( selectedTextInfo.owner ) {
95 var owneremail = selectedTextInfo.owner;
96 var chop = owneremail.indexOf( '@' );
98 owneremail = owneremail.substr( 0, chop + 1 ) + '...';
100 $('#owner_id').empty().append( owneremail );
102 // Whether or not it is public
103 $('#not_public').empty();
104 if( selectedTextInfo['public'] == false ) {
105 $('#not_public').append('NOT ');
107 // What language setting it has, if any
108 $('#marked_language').empty().append('no language set');
109 if( selectedTextInfo.language && selectedTextInfo.language != 'Default' ) {
110 $('#marked_language').empty().append( selectedTextInfo.language );
114 // Enable / disable the appropriate buttons for paging through the stemma.
115 function show_stemmapager () {
116 $('.pager_left_button').unbind('click').addClass( 'greyed_out' );
117 $('.pager_right_button').unbind('click').addClass( 'greyed_out' );
118 if( selectedStemmaID > 0 ) {
119 $('.pager_left_button').click( function () {
120 load_stemma( selectedStemmaID - 1, selectedTextEditable );
121 }).removeClass( 'greyed_out' );
123 if( selectedStemmaID + 1 < stemmata.length ) {
124 $('.pager_right_button').click( function () {
125 load_stemma( selectedStemmaID + 1, selectedTextEditable );
126 }).removeClass( 'greyed_out' );
130 // Load a given stemma SVG into the stemmagraph box.
131 function load_stemma( idx ) {
132 // Load the stemma at idx
133 selectedStemmaID = idx;
134 show_stemmapager( selectedTextEditable );
135 $('#open_stemma_edit').hide();
136 $('#run_stexaminer').hide();
137 $('#stemma_identifier').empty();
138 // Add the relevant Stemweb functionality
139 if( selectedTextEditable ) {
143 // Load the stemma and its properties
144 var stemmadata = stemmata[idx];
145 if( selectedTextEditable ) {
146 $('#open_stemma_edit').show();
148 if( stemmadata.directed ) {
149 // Stexaminer submit action
150 var stexpath = _get_url([ "stexaminer", selectedTextID, idx ]);
151 $('#run_stexaminer').attr( 'action', stexpath );
152 $('#run_stexaminer').show();
154 loadSVG( stemmadata.svg );
155 $('#stemma_identifier').text( stemmadata.name );
156 setTimeout( 'start_element_height = $("#stemma_graph .node")[0].getBBox().height;', 500 );
160 function switch_stemweb_ui() {
161 if( selectedTextInfo.stemweb_jobid == 0 ) {
162 // We want to run Stemweb.
163 $('#open_stemweb_ui').show();
164 $('#call_stemweb').show()
165 $('#query_stemweb_ui').hide();
166 $('#stemweb_run_button').show();
168 $('#query_stemweb_ui').show();
169 $('#open_stemweb_ui').hide();
170 $('#call_stemweb').hide();
171 $('#stemweb_run_button').hide();
175 function query_stemweb_progress() {
176 var requrl = _get_url([ "stemweb", "query", selectedTextInfo.stemweb_jobid ]);
177 $('#stemweb-ui-dialog').dialog('open');
178 $('#stemweb_run_status').empty().append(
179 _make_message( 'notification', 'Querying Stemweb for calculation progress...') );
180 $.getJSON( requrl, function (data) {
181 process_stemweb_result( data );
183 // TODO need an error handler
186 function process_stemweb_result(data) {
187 // Look for a status message, either success, running, or notfound.
188 if( data.status === 'success' ) {
189 // Add the new stemmata to the textinfo and tell the user.
190 selectedTextInfo.stemweb_jobid = 0;
191 if( data.stemmata.length > 0 ) {
192 stemmata = stemmata.concat( data.stemmata );
193 if( selectedStemmaID == -1 ) {
194 // We have a stemma for the first time; load the first one.
195 load_stemma( 0, true );
197 // Move to the index of the first added stemma.
198 var newIdx = stemmata.length - data.stemmata.length;
199 load_stemma( newIdx, true );
201 $('#stemweb_run_status').empty().append(
202 _make_message( 'notification', 'You have one or more new stemmata!' ) );
204 $('#stemweb_run_status').empty().append(
205 _make_message( 'warning', 'Stemweb run finished with no stemmata...huh?!' ) );
207 } else if( data.status === 'running' ) {
208 // Just tell the user.
209 $('#stemweb_run_status').empty().append(
210 _make_message( 'notification', 'Your Stemweb query is still running!' ) );
211 } else if( data.status === 'notfound' ) {
212 // Ask the user to refresh, for now.
213 $('#stemweb_run_status').empty().append(
214 _make_message( 'warning', 'Your Stemweb query probably finished and reported back. Please reload to check.' ) );
215 } else if( data.status === 'failed' ) {
216 selectedTextInfo.stemweb_jobid = 0;
217 failureMsg = 'Your stemweb query failed';
219 failureMsg = failureMsg + ' with the following message: ' + data.message
221 $('#stemweb_run_status').empty().append(
222 _make_message( 'error', failuremsg + '.' ) );
227 function _make_message( type, msg ) {
228 theMessage = $('<span>').attr( 'class', type );
229 theMessage.append( msg );
233 // Load the SVG we are given
234 function loadSVG(svgData) {
235 var svgElement = $('#stemma_graph');
237 $(svgElement).svg('destroy');
241 onLoad : function () {
242 var theSVG = svgElement.find('svg');
243 var svgoffset = theSVG.offset();
244 var browseroffset = 1;
245 // Firefox needs a different offset, stupidly enough
246 if( navigator.userAgent.indexOf('Firefox') > -1 ) {
247 browseroffset = 3; // works for tall images
248 // ...but if the SVG is wider than it is tall, Firefox treats
249 // the top as being the top of the graph, loaded into the middle
250 // of the canvas, but then the margin at the top of the canvas
251 // extends upward. So we have to find the actual top of the canvas
252 // and correct for *that* instead.
253 var vbdim = svgElement.svg().svg('get').root().viewBox.baseVal;
254 if( vbdim.height < vbdim.width ) {
255 var vbscale = svgElement.width() / vbdim.width;
256 var vbrealheight = vbdim.height * vbscale;
257 browseroffset = 3 + ( svgElement.height() - vbrealheight ) / 2;
260 var topoffset = theSVG.position().top - svgElement.position().top - browseroffset;
261 theSVG.offset({ top: svgoffset.top - topoffset, left: svgoffset.left });
262 set_stemma_interactive( theSVG );
267 function set_stemma_interactive( svg_element ) {
268 if( selectedTextEditable ) {
269 $( "#root_tree_dialog_button_ok" ).click( function() {
270 var requrl = _get_url([ "stemmaroot", selectedTextID, selectedStemmaID ]);
271 var targetnode = $('#root_tree_dialog').data( 'selectedNode' );
272 $.post( requrl, { root: targetnode }, function (data) {
273 // Reload the new stemma
274 stemmata[selectedStemmaID] = data;
275 load_stemma( selectedStemmaID );
276 // Put away the dialog
277 $('#root_tree_dialog').data( 'selectedNode', null ).hide();
279 } ).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
280 if( ajaxSettings.url.indexOf( 'stemmaroot' ) > -1
281 && ajaxSettings.type == 'POST' ) {
282 display_error( jqXHR, $("#stemma_load_status") );
285 // TODO Clear error at some appropriate point
286 $.each( $( 'ellipse', svg_element ), function(index) {
287 var ellipse = $(this);
288 var g = ellipse.parent( 'g' );
289 g.click( function(evt) {
290 if( typeof root_tree_dialog_timeout !== 'undefined' ) { clearTimeout( root_tree_dialog_timeout ) };
291 g.unbind( 'mouseleave' );
292 var dialog = $( '#root_tree_dialog' );
293 // Note which node triggered the dialog
294 dialog.data( 'selectedNode', g.attr('id') );
295 // Position the dialog
297 dialog.css( 'top', evt.pageY + 3 );
298 dialog.css( 'left', evt.pageX + 3 );
300 root_tree_dialog_timeout = setTimeout( function() {
301 $( '#root_tree_dialog' ).data( 'selectedNode', null ).hide();
302 ellipse.removeClass( 'stemma_node_highlight' );
303 g.mouseleave( function() { ellipse.removeClass( 'stemma_node_highlight' ) } );
306 g.mouseenter( function() {
307 $( 'ellipse.stemma_node_highlight' ).removeClass( 'stemma_node_highlight' );
308 ellipse.addClass( 'stemma_node_highlight' )
310 g.mouseleave( function() { ellipse.removeClass( 'stemma_node_highlight' ) } );
315 // General-purpose error-handling function.
316 // TODO make sure this gets used throughout, where appropriate.
317 function display_error( jqXHR, el ) {
319 if( jqXHR.responseText == "" ) {
320 errmsg = "perhaps the server went down?"
324 errobj = jQuery.parseJSON( jqXHR.responseText );
325 errmsg = errobj.error;
326 } catch ( parse_err ) {
327 errmsg = "something went wrong on the server."
330 var msghtml = $('<span>').attr('class', 'error').text( "An error occurred: " + errmsg );
331 $(el).empty().append( msghtml ).show();
334 // Event to enable the upload button when a file has been selected
335 function file_selected( e ) {
336 if( e.files.length == 1 ) {
337 $('#upload_button').button('enable');
338 $('#new_file_name_container').html( '<span id="new_file_name">' + e.files[0].name + '</span>' );
340 $('#upload_button').button('disable');
341 $('#new_file_name_container').html( '(Use \'pick file\' to select a tradition file to upload.)' );
345 // Implement our own AJAX method that uses the features of XMLHttpRequest2
346 // but try to let it have a similar interface to jquery.post
347 // The data var needs to be a FormData() object.
348 // The callback will be given a single argument, which is the response data
349 // of the given type.
351 function post_xhr2( url, data, cb, type ) {
355 var xhr = new XMLHttpRequest();
356 // Set the expected response type
357 if( type === 'data' ) {
358 xhr.responseType = 'blob';
359 } else if( type === 'xml' ) {
360 xhr.responseType = 'document';
363 // Gin up an AJAX settings object
364 $.ajaxSetup({ url: url, type: 'POST' });
365 xhr.open( 'POST', url, true );
366 // Handle the results
367 xhr.onload = function( e ) {
368 // Get the response and parse it
369 // Call the callback with the response, whatever it was
371 if( xhrs.status > 199 && xhrs.status < 300 ) { // Success
373 if( type === 'json' ) {
374 resp = $.parseJSON( xhrs.responseText );
375 } else if ( type === 'xml' ) {
376 resp = xhrs.responseXML;
377 } else if ( type === 'text' ) {
378 resp = xhrs.responseText;
380 resp = xhrs.response;
384 // Trigger the ajaxError...
385 _trigger_ajaxerror( e );
388 xhr.onerror = _trigger_ajaxerror;
389 xhr.onabort = _trigger_ajaxerror;
393 function _trigger_ajaxerror( e ) {
395 var thrown = xhr.statusText || 'Request error';
396 jQuery.event.trigger( 'ajaxError', [ xhr, $.ajaxSettings, thrown ]);
399 function upload_new () {
400 // Serialize the upload form, get the file and attach it to the request,
401 // POST the lot and handle the response.
402 var newfile = $('#new_file').get(0).files[0];
403 var reader = new FileReader();
404 reader.onload = function( evt ) {
405 var data = new FormData();
406 $.each( $('#new_tradition').serializeArray(), function( i, o ) {
407 data.append( o.name, o.value );
409 data.append( 'file', newfile );
410 var upload_url = _get_url([ 'newtradition' ]);
411 post_xhr2( upload_url, data, function( ret ) {
413 $('#upload-collation-dialog').dialog('close');
415 loadTradition( ret.id, ret.name, 1 );
416 } else if( ret.error ) {
417 $('#upload_status').empty().append(
418 $('<span>').attr('class', 'error').append( ret.error ) );
422 reader.onerror = function( evt ) {
423 var err_resp = 'File read error';
424 if( e.name == 'NotFoundError' ) {
425 err_resp = 'File not found';
426 } else if ( e.name == 'NotReadableError' ) {
427 err_resp == 'File unreadable - is it yours?';
428 } else if ( e.name == 'EncodingError' ) {
429 err_resp == 'File cannot be encoded - is it too long?';
430 } else if ( e.name == 'SecurityError' ) {
431 err_resp == 'File read security error';
433 // Fake a jqXHR object that we can pass to our generic error handler.
434 var jqxhr = { responseText: '{error:"' + err_resp + '"}' };
435 display_error( jqxhr, $('#upload_status') );
436 $('#upload_button').button('disable');
439 reader.readAsBinaryString( newfile );
442 // Utility function to neatly construct an application URL
443 function _get_url( els ) {
444 return basepath + els.join('/');
447 // TODO Attach unified ajaxError handler to document
448 $(document).ready( function() {
449 // See if we have the browser functionality we need
450 // TODO Also think of a test for SVG readiness
451 if( !!window.FileReader && !!window.File ) {
452 $('#compatibility_check').empty();
455 // hide dialog not yet in use
456 $('#root_tree_dialog').hide();
458 // call out to load the directory div
459 $('#textinfo_container').hide();
460 $('#textinfo_waitbox').hide();
463 // Set up the textinfo edit dialog
464 $('#textinfo-edit-dialog').dialog({
470 Save: function (evt) {
471 $("#edit_textinfo_status").empty();
472 var mybuttons = $(evt.target).closest('button').parent().find('button');
473 mybuttons.button( 'disable' );
474 var requrl = _get_url([ "textinfo", selectedTextID ]);
475 var reqparam = $('#edit_textinfo').serialize();
476 $.post( requrl, reqparam, function (data) {
477 // Reload the selected text fields
478 selectedTextInfo = data;
480 // Reenable the button and close the form
481 mybuttons.button("enable");
482 $('#textinfo-edit-dialog').dialog('close');
486 $('#textinfo-edit-dialog').dialog('close');
490 $("#edit_textinfo_status").empty();
491 // Populate the form fields with the current values
492 // edit_(name, language, public, owner)
493 $.each([ 'name', 'language', 'owner' ], function( idx, k ) {
494 var fname = '#edit_' + k;
495 // Special case: language Default is basically language null
496 if( k == 'language' && selectedTextInfo[k] == 'Default' ) {
499 $(fname).val( selectedTextInfo[k] );
502 if( selectedTextInfo['public'] == true ) {
503 $('#edit_public').attr('checked','true');
505 $('#edit_public').removeAttr('checked');
508 }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
509 $(event.target).parent().find('.ui-button').button("enable");
510 if( ajaxSettings.url.indexOf( 'textinfo' ) > -1
511 && ajaxSettings.type == 'POST' ) {
512 display_error( jqXHR, $("#edit_textinfo_status") );
517 // Set up the stemma editor dialog
518 $('#stemma-edit-dialog').dialog({
524 Save: function (evt) {
525 $("#edit_stemma_status").empty();
526 var mybuttons = $(evt.target).closest('button').parent().find('button');
527 mybuttons.button( 'disable' );
528 var stemmaseq = $('#stemmaseq').val();
529 var requrl = _get_url([ "stemma", selectedTextID, stemmaseq ]);
530 var reqparam = { 'dot': $('#dot_field').val() };
531 // TODO We need to stash the literal SVG string in stemmata
532 // somehow. Implement accept header on server side to decide
533 // whether to send application/json or application/xml?
534 $.post( requrl, reqparam, function (data) {
535 // We received a stemma SVG string in return.
536 // Update the current stemma sequence number
537 selectedStemmaID = data.stemmaid;
538 delete data.stemmaid;
539 // Stash the answer in the appropriate spot in our stemma array
540 stemmata[selectedStemmaID] = data;
541 // Display the new stemma
542 load_stemma( selectedStemmaID, true );
543 // Reenable the button and close the form
544 mybuttons.button("enable");
545 $('#stemma-edit-dialog').dialog('close');
549 $('#stemma-edit-dialog').dialog('close');
552 open: function(evt) {
553 $("#edit_stemma_status").empty();
554 var stemmaseq = $('#stemmaseq').val();
555 if( stemmaseq == 'n' ) {
556 // If we are creating a new stemma, populate the textarea with a
558 $(evt.target).dialog('option', 'title', 'Add a new stemma')
559 $('#dot_field').val( "digraph \"NAME STEMMA HERE\" {\n\n}" );
561 // If we are editing a stemma, grab its stemmadot and populate the
562 // textarea with that.
563 $(evt.target).dialog('option', 'title', 'Edit selected stemma')
564 $('#dot_field').val( 'Loading, please wait...' );
565 var doturl = _get_url([ "stemmadot", selectedTextID, stemmaseq ]);
566 $.getJSON( doturl, function (data) {
567 // Re-insert the line breaks
568 var dotstring = data.dot.replace(/\|n/gm, "\n");
569 $('#dot_field').val( dotstring );
573 }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
574 $(event.target).parent().find('.ui-button').button("enable");
575 if( ajaxSettings.url.indexOf( 'stemma' ) > -1
576 && ajaxSettings.type == 'POST' ) {
577 display_error( jqXHR, $("#edit_stemma_status") );
581 $('#stemweb-ui-dialog').dialog({
588 id: 'stemweb_run_button',
590 click: function (evt) {
591 $("#stemweb_run_status").empty();
592 var mybuttons = $(evt.target).closest('button').parent().find('button');
593 mybuttons.button( 'disable' );
594 var requrl = _get_url([ "stemweb", "request" ]);
595 var reqparam = $('#call_stemweb').serialize();
596 // TODO We need to stash the literal SVG string in stemmata
597 // somehow. Implement accept header on server side to decide
598 // whether to send application/json or application/xml?
599 $.getJSON( requrl, reqparam, function (data) {
600 mybuttons.button("enable");
601 $('#stemweb-ui-dialog').dialog('close');
602 if( 'jobid' in data ) {
603 // There is a pending job.
604 selectedTextInfo.stemweb_jobid = data.jobid;
605 alert("Your request has been submitted to Stemweb.\nThe resulting tree will appear in due course.");
606 // Reload the current stemma to rejigger the buttons
607 load_stemma( selectedStemmaID, true );
609 // We appear to have an answer; process it.
610 process_stemweb_result( data );
616 id: 'stemweb_close_button',
619 $('#stemweb-ui-dialog').dialog('close');
623 create: function(evt) {
624 // Call out to Stemweb to get the algorithm options, with which we
625 // populate the form.
626 var algorithmTypes = {};
627 var algorithmArgs = {};
628 var requrl = _get_url([ "stemweb", "available" ]);
629 $.getJSON( requrl, function( data ) {
630 $.each( data, function( i, o ) {
631 if( o.model === 'algorithms.algorithm' ) {
632 // it's an algorithm.
633 algorithmTypes[ o.pk ] = o.fields;
634 } else if( o.model == 'algorithms.algorithmarg' && o.fields.external ) {
635 // it's an option for an algorithm that we should display.
636 algorithmArgs[ o.pk ] = o.fields;
639 // TODO if it is an empty object, disable Stemweb entirely.
640 if( !jQuery.isEmptyObject( algorithmTypes ) ) {
641 $.each( algorithmTypes, function( pk, fields ) {
642 var algopt = $('<option>').attr( 'value', pk ).append( fields.name );
643 $('#stemweb_algorithm').append( algopt );
645 // Set up the relevant options for whichever algorithm is chosen.
646 // "key" -> form name, option ID "stemweb_$key_opt"
647 // "name" -> form label
648 $('#stemweb_algorithm_help').click( function() {
649 $('#stemweb_algorithm_desc_text').toggle( 'blind' );
651 $('#stemweb_algorithm').change( function() {
652 var pk = $(this).val();
653 // Display a link to the popup description, and fill in
654 // the description itself, if we have one.
655 if( 'desc' in algorithmTypes[pk] ) {
656 $('#stemweb_algorithm_desc_text').empty().append( algorithmTypes[pk].desc );
657 $('#stemweb_algorithm_desc').show();
659 $('#stemweb_algorithm_desc').hide();
661 $('#stemweb_runtime_options').empty();
662 $.each( algorithmTypes[pk].args, function( i, apk ) {
663 var argInfo = algorithmArgs[apk];
665 // Make the element ID
666 var optId = 'stemweb_' + argInfo.key + '_opt';
668 var optLabel = $('<label>').attr( 'for', optId )
669 .append( argInfo.name + ": " );
671 var argType = argInfo.value;
672 if( argType === 'positive_integer' ) {
673 // Make it an input field of smallish size.
674 optCtrl = $('<input>').attr( 'size', 4 );
675 } else if ( argType === 'boolean' ) {
676 // Make it a checkbox.
677 optCtrl = $('<checkbox>');
679 // Add the name and element ID
680 optCtrl.attr( 'name', argInfo.key ).attr( 'id', optId );
681 // Append the label and the option itself to the form.
682 $('#stemweb_runtime_options').append( optLabel )
683 .append( optCtrl ).append( $('<br>') );
687 $('#stemweb_algorithm').change();
690 // Prime the initial options
692 open: function(evt) {
693 $('#stemweb_run_status').empty();
694 $('#stemweb_tradition').attr('value', selectedTextID );
695 if( selectedTextInfo.stemweb_jobid == 0 ) {
696 $('#stemweb_merge_reltypes').empty();
697 $.each( selectedTextInfo.reltypes, function( i, r ) {
698 var relation_opt = $('<option>').attr( 'value', r ).append( r );
699 $('#stemweb_merge_reltypes').append( relation_opt );
701 $('#stemweb_merge_reltypes').multiselect({
707 }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
708 $(event.target).parent().find('.ui-button').button("enable");
709 if( ajaxSettings.url.indexOf( 'stemweb/' ) > -1 ) {
710 display_error( jqXHR, $("#stemweb_run_status") );
714 // Set up the download dialog
715 $('#download-dialog').dialog({
721 Download: function (evt) {
722 var dlurl = _get_url([ "download", $('#download_tradition').val(), $('#download_format').val() ]);
723 window.location = dlurl;
726 $('#download-dialog').dialog('close');
730 $('#download_tradition').attr('value', selectedTextID );
732 }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
733 $(event.target).parent().find('.ui-button').button("enable");
734 if( ajaxSettings.url.indexOf( 'download' ) > -1
735 && ajaxSettings.type == 'POST' ) {
736 display_error( jqXHR, $("#download_status") );
740 $('#upload-collation-dialog').dialog({
750 $('#upload_status').empty();
751 $('#upload_button').button("disable");
757 id: 'pick_file_button',
759 $('#new_file').click();
763 $('#upload-collation-dialog').dialog('close');
767 // Set the upload button to its correct state based on
768 // whether a file is loaded
769 file_selected( $('#new_file').get(0) );
770 $('#upload_status').empty();
772 }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
773 // Reset button state
774 file_selected( $('#new_file').get(0) );
775 // Display error message if applicable
776 if( ajaxSettings.url.indexOf( 'newtradition' ) > -1
777 && ajaxSettings.type == 'POST' ) {
778 display_error( jqXHR, $("#upload_status") );
782 $('#stemma_graph').mousedown( function(evt) {
783 evt.stopPropagation();
784 $('#stemma_graph').data( 'mousedown_xy', [evt.clientX, evt.clientY] );
785 $('body').mousemove( function(evt) {
786 mouse_scale = 1; // for now, was: mouse_scale = svg_root_element.getScreenCTM().a;
787 dx = (evt.clientX - $('#stemma_graph').data( 'mousedown_xy' )[0]) / mouse_scale;
788 dy = (evt.clientY - $('#stemma_graph').data( 'mousedown_xy' )[1]) / mouse_scale;
789 $('#stemma_graph').data( 'mousedown_xy', [evt.clientX, evt.clientY] );
790 var svg_root = $('#stemma_graph svg').svg().svg('get').root();
791 var g = $('g.graph', svg_root).get(0);
792 current_translate = g.getAttribute( 'transform' ).split(/translate\(/)[1].split(')',1)[0].split(' ');
793 new_transform = g.getAttribute( 'transform' ).replace( /translate\([^\)]*\)/, 'translate(' + (parseFloat(current_translate[0]) + dx) + ' ' + (parseFloat(current_translate[1]) + dy) + ')' );
794 g.setAttribute( 'transform', new_transform );
795 evt.returnValue = false;
796 evt.preventDefault();
799 $('body').mouseup( function(evt) {
800 $('body').unbind('mousemove');
801 $('body').unbind('mouseup');
805 $('#stemma_graph').mousewheel(function (event, delta) {
806 event.returnValue = false;
807 event.preventDefault();
808 if (!delta || delta == null || delta == 0) delta = event.originalEvent.wheelDelta;
809 if (!delta || delta == null || delta == 0) delta = -1 * event.originalEvent.detail;
810 if( delta < -9 ) { delta = -9 };
811 var z = 1 + delta/10;
812 z = delta > 0 ? 1 : -1;
813 var svg_root = $('#stemma_graph svg').svg().svg('get').root();
814 var g = $('g.graph', svg_root).get(0);
815 if (g && ((z<1 && (g.getScreenCTM().a * start_element_height) > 4.0) || (z>=1 && (g.getScreenCTM().a * start_element_height) < 1000))) {
816 var scaleLevel = z/10;
817 current_scale = parseFloat( g.getAttribute( 'transform' ).split(/scale\(/)[1].split(')',1)[0].split(' ')[0] );
818 new_transform = g.getAttribute( 'transform' ).replace( /scale\([^\)]*\)/, 'scale(' + (current_scale + scaleLevel) + ')' );
819 g.setAttribute( 'transform', new_transform );