Commit | Line | Data |
3f9d7ae5 |
1 | // Global state variables |
2 | var selectedTextID; |
3 | var selectedTextInfo; |
4 | var selectedStemmaID = -1; |
5 | var stemmata = []; |
6 | |
7 | // Load the names of the appropriate traditions into the directory div. |
8 | function refreshDirectory () { |
9 | var lmesg = $('#loading_message').clone(); |
10 | $('#directory').empty().append( lmesg.contents() ); |
11 | $('#directory').load( _get_url(["directory"]), |
12 | function(response, status, xhr) { |
13 | if (status == "error") { |
14 | var msg = "An error occurred: "; |
15 | $("#directory").html(msg + xhr.status + " " + xhr.statusText); |
16 | } else { |
17 | if( textOnLoad != "" ) { |
18 | // Call the click callback for the relevant text, if it is |
19 | // in the page. |
20 | $('#'+textOnLoad).click(); |
21 | textOnLoad = ""; |
22 | } |
23 | } |
24 | } |
25 | ); |
26 | } |
27 | |
28 | // Load a tradition with its information and stemmata into the tradition |
29 | // view pane. Calls load_textinfo. |
98a45925 |
30 | function loadTradition( textid, textname, editable ) { |
31 | selectedTextID = textid; |
32 | // First insert the placeholder image and register an error handler |
04469f3e |
33 | $('#textinfo_load_status').empty(); |
5f0eda3f |
34 | $('#stemma_graph').empty(); |
98a45925 |
35 | $('#textinfo_waitbox').show(); |
75354c3a |
36 | $('#textinfo_container').hide().ajaxError( |
37 | function(event, jqXHR, ajaxSettings, thrownError) { |
38 | if( ajaxSettings.url.indexOf( 'textinfo' ) > -1 && ajaxSettings.type == 'GET' ) { |
39 | $('#textinfo_waitbox').hide(); |
40 | $('#textinfo_container').show(); |
41 | display_error( jqXHR, $("#textinfo_load_status") ); |
98a45925 |
42 | } |
75354c3a |
43 | }); |
44 | |
45 | // Hide the functionality that is irrelevant |
46 | if( editable ) { |
ce1c5863 |
47 | $('#open_stemma_add').show(); |
48 | $('#open_stemma_edit').show(); |
49 | $('#open_textinfo_edit').show(); |
cbd23059 |
50 | $('#relatebutton_label').text('View collation and edit relationships'); |
75354c3a |
51 | } else { |
ce1c5863 |
52 | $('#open_stemma_add').hide(); |
53 | $('#open_stemma_edit').hide(); |
54 | $('#open_textinfo_edit').hide(); |
cbd23059 |
55 | $('#relatebutton_label').text('View collation and relationships'); |
75354c3a |
56 | } |
57 | |
62723740 |
58 | // Then get and load the actual content. |
98a45925 |
59 | // TODO: scale #stemma_graph both horizontally and vertically |
f6a8db89 |
60 | // TODO: load svgs from SVG.Jquery (to make scaling react in Safari) |
3f9d7ae5 |
61 | $.getJSON( _get_url([ "textinfo", textid ]), function (textdata) { |
98a45925 |
62 | // Add the scalar data |
75354c3a |
63 | selectedTextInfo = textdata; |
64 | load_textinfo(); |
65 | // Add the stemma(ta) and set up the stexaminer button |
98a45925 |
66 | stemmata = textdata.stemmata; |
67 | if( stemmata.length ) { |
68 | selectedStemmaID = 0; |
57e3a008 |
69 | $('#run_stexaminer').show(); |
65a0c9c6 |
70 | } else { |
57e3a008 |
71 | selectedStemmaID = -1; |
65a0c9c6 |
72 | $('#open_stemma_edit').hide(); |
73 | $('#run_stexaminer').hide(); |
65a0c9c6 |
74 | } |
3f9d7ae5 |
75 | load_stemma( selectedStemmaID ); |
98a45925 |
76 | // Set up the relationship mapper button |
3f9d7ae5 |
77 | $('#run_relater').attr( 'action', _get_url([ "relation", textid ]) ); |
38627d20 |
78 | // Set up the download button |
79 | $('#dl_tradition').attr( 'href', _get_url([ "download", textid ]) ); |
80 | $('#dl_tradition').attr( 'download', selectedTextInfo.name + '.xml' ); |
98a45925 |
81 | }); |
82 | } |
83 | |
3f9d7ae5 |
84 | // Load the metadata about a tradition into the appropriate div. |
75354c3a |
85 | function load_textinfo() { |
86 | $('#textinfo_waitbox').hide(); |
87 | $('#textinfo_load_status').empty(); |
88 | $('#textinfo_container').show(); |
89 | $('.texttitle').empty().append( selectedTextInfo.name ); |
90 | // Witnesses |
91 | $('#witness_num').empty().append( selectedTextInfo.witnesses.size ); |
92 | $('#witness_list').empty().append( selectedTextInfo.witnesses.join( ', ' ) ); |
93 | // Who the owner is |
94 | $('#owner_id').empty().append('no one'); |
95 | if( selectedTextInfo.owner ) { |
897a22fc |
96 | var owneremail = selectedTextInfo.owner; |
97 | var chop = owneremail.indexOf( '@' ); |
98 | if( chop > -1 ) { |
99 | owneremail = owneremail.substr( 0, chop + 1 ) + '...'; |
100 | } |
101 | $('#owner_id').empty().append( owneremail ); |
75354c3a |
102 | } |
103 | // Whether or not it is public |
104 | $('#not_public').empty(); |
105 | if( selectedTextInfo['public'] == false ) { |
106 | $('#not_public').append('NOT '); |
107 | } |
108 | // What language setting it has, if any |
109 | $('#marked_language').empty().append('no language set'); |
110 | if( selectedTextInfo.language && selectedTextInfo.language != 'Default' ) { |
111 | $('#marked_language').empty().append( selectedTextInfo.language ); |
112 | } |
113 | } |
114 | |
3f9d7ae5 |
115 | // Enable / disable the appropriate buttons for paging through the stemma. |
65a0c9c6 |
116 | function show_stemmapager () { |
bf81fb57 |
117 | $('.pager_left_button').unbind('click').addClass( 'greyed_out' ); |
118 | $('.pager_right_button').unbind('click').addClass( 'greyed_out' ); |
65a0c9c6 |
119 | if( selectedStemmaID > 0 ) { |
120 | $('.pager_left_button').click( function () { |
121 | load_stemma( selectedStemmaID - 1 ); |
bf81fb57 |
122 | }).removeClass( 'greyed_out' ); |
65a0c9c6 |
123 | } |
124 | if( selectedStemmaID + 1 < stemmata.length ) { |
125 | $('.pager_right_button').click( function () { |
126 | load_stemma( selectedStemmaID + 1 ); |
bf81fb57 |
127 | }).removeClass( 'greyed_out' ); |
65a0c9c6 |
128 | } |
129 | } |
130 | |
3f9d7ae5 |
131 | // Load a given stemma SVG into the stemmagraph box. |
75354c3a |
132 | function load_stemma( idx ) { |
65a0c9c6 |
133 | // Load the stemma at idx |
134 | selectedStemmaID = idx; |
57e3a008 |
135 | show_stemmapager(); |
98a45925 |
136 | if( idx > -1 ) { |
bd3ccd15 |
137 | loadSVG( stemmata[idx] ); |
98a45925 |
138 | // Stexaminer submit action |
3f9d7ae5 |
139 | var stexpath = _get_url([ "stexaminer", selectedTextID, idx ]); |
98a45925 |
140 | $('#run_stexaminer').attr( 'action', stexpath ); |
40803b80 |
141 | setTimeout( 'start_element_height = $("#stemma_graph .node")[0].getBBox().height;', 500 ); |
98a45925 |
142 | } |
5ba6c2b4 |
143 | } |
75354c3a |
144 | |
bd3ccd15 |
145 | // Load the SVG we are given |
146 | function loadSVG(svgData) { |
147 | var svgElement = $('#stemma_graph'); |
148 | |
149 | $(svgElement).svg('destroy'); |
150 | |
151 | $(svgElement).svg({ |
152 | loadURL: svgData, |
153 | onLoad : function () { |
154 | var theSVG = svgElement.find('svg'); |
155 | var svgoffset = theSVG.offset(); |
bd3ccd15 |
156 | var browseroffset = 1; |
23f8bfc2 |
157 | // Firefox needs a different offset, stupidly enough |
bd3ccd15 |
158 | if( navigator.userAgent.indexOf('Firefox') > -1 ) { |
23f8bfc2 |
159 | browseroffset = 3; // works for tall images |
160 | // ...but if the SVG is wider than it is tall, Firefox treats |
161 | // the top as being the top of the graph, loaded into the middle |
162 | // of the canvas, but then the margin at the top of the canvas |
163 | // extends upward. So we have to find the actual top of the canvas |
164 | // and correct for *that* instead. |
165 | var vbdim = svgElement.svg().svg('get').root().viewBox.baseVal; |
166 | if( vbdim.height < vbdim.width ) { |
167 | var vbscale = svgElement.width() / vbdim.width; |
168 | var vbrealheight = vbdim.height * vbscale; |
169 | browseroffset = 3 + ( svgElement.height() - vbrealheight ) / 2; |
170 | } |
bd3ccd15 |
171 | } |
172 | var topoffset = theSVG.position().top - svgElement.position().top - browseroffset; |
bd3ccd15 |
173 | theSVG.offset({ top: svgoffset.top - topoffset, left: svgoffset.left }); |
174 | } |
175 | }); |
176 | } |
177 | |
3f9d7ae5 |
178 | // General-purpose error-handling function. |
179 | // TODO make sure this gets used throughout, where appropriate. |
75354c3a |
180 | function display_error( jqXHR, el ) { |
ce1c5863 |
181 | var errmsg; |
182 | if( jqXHR.responseText == "" ) { |
183 | errmsg = "perhaps the server went down?" |
75354c3a |
184 | } else { |
ce1c5863 |
185 | var errobj; |
186 | try { |
187 | errobj = jQuery.parseJSON( jqXHR.responseText ); |
188 | errmsg = errobj.error; |
189 | } catch ( parse_err ) { |
190 | errmsg = "something went wrong on the server." |
191 | } |
75354c3a |
192 | } |
ce1c5863 |
193 | var msghtml = $('<span>').attr('class', 'error').text( "An error occurred: " + errmsg ); |
75354c3a |
194 | $(el).empty().append( msghtml ).show(); |
3f9d7ae5 |
195 | } |
196 | |
e0b90236 |
197 | // Event to enable the upload button when a file has been selected |
198 | function file_selected( e ) { |
199 | if( e.files.length == 1 ) { |
200 | $('#upload_button').button('enable'); |
ab0d1218 |
201 | $('#new_file_name_container').html( '<span id="new_file_name">' + e.files[0].name + '</span>' ); |
e0b90236 |
202 | } else { |
203 | $('#upload_button').button('disable'); |
ab0d1218 |
204 | $('#new_file_name_container').html( '(Use \'pick file\' to select a tradition file to upload.)' ); |
e0b90236 |
205 | } |
206 | } |
207 | |
2ece58b3 |
208 | // Implement our own AJAX method that uses the features of XMLHttpRequest2 |
209 | // but try to let it have a similar interface to jquery.post |
210 | // The data var needs to be a FormData() object. |
211 | // The callback will be given a single argument, which is the response data |
212 | // of the given type. |
213 | |
214 | function post_xhr2( url, data, cb, type ) { |
215 | if( !type ) { |
216 | type = 'json'; |
217 | } |
218 | var xhr = new XMLHttpRequest(); |
219 | // Set the expected response type |
220 | if( type === 'data' ) { |
221 | xhr.responseType = 'blob'; |
222 | } else if( type === 'xml' ) { |
223 | xhr.responseType = 'document'; |
224 | } |
225 | // Post the form |
226 | // Gin up an AJAX settings object |
227 | $.ajaxSetup({ url: url, type: 'POST' }); |
228 | xhr.open( 'POST', url, true ); |
229 | // Handle the results |
230 | xhr.onload = function( e ) { |
231 | // Get the response and parse it |
232 | // Call the callback with the response, whatever it was |
233 | var xhrs = e.target; |
234 | if( xhrs.status > 199 && xhrs.status < 300 ) { // Success |
235 | var resp; |
236 | if( type === 'json' ) { |
237 | resp = $.parseJSON( xhrs.responseText ); |
238 | } else if ( type === 'xml' ) { |
239 | resp = xhrs.responseXML; |
240 | } else if ( type === 'text' ) { |
241 | resp = xhrs.responseText; |
242 | } else { |
243 | resp = xhrs.response; |
244 | } |
245 | cb( resp ); |
246 | } else { |
247 | // Trigger the ajaxError... |
248 | _trigger_ajaxerror( e ); |
249 | } |
250 | }; |
251 | xhr.onerror = _trigger_ajaxerror; |
252 | xhr.onabort = _trigger_ajaxerror; |
253 | xhr.send( data ); |
254 | } |
255 | |
256 | function _trigger_ajaxerror( e ) { |
257 | var xhr = e.target; |
258 | var thrown = xhr.statusText || 'Request error'; |
259 | jQuery.event.trigger( 'ajaxError', [ xhr, $.ajaxSettings, thrown ]); |
260 | } |
261 | |
e0b90236 |
262 | function upload_new () { |
263 | // Serialize the upload form, get the file and attach it to the request, |
264 | // POST the lot and handle the response. |
265 | var newfile = $('#new_file').get(0).files[0]; |
266 | var reader = new FileReader(); |
267 | reader.onload = function( evt ) { |
2ece58b3 |
268 | var data = new FormData(); |
269 | $.each( $('#new_tradition').serializeArray(), function( i, o ) { |
270 | data.append( o.name, o.value ); |
271 | }); |
272 | data.append( 'file', newfile ); |
e0b90236 |
273 | var upload_url = _get_url([ 'newtradition' ]); |
2ece58b3 |
274 | post_xhr2( upload_url, data, function( ret ) { |
e0b90236 |
275 | if( ret.id ) { |
276 | $('#upload-collation-dialog').dialog('close'); |
277 | refreshDirectory(); |
278 | loadTradition( ret.id, ret.name, 1 ); |
279 | } else if( ret.error ) { |
280 | $('#upload_status').empty().append( |
281 | $('<span>').attr('class', 'error').append( ret.error ) ); |
282 | } |
2ece58b3 |
283 | }, 'json' ); |
e0b90236 |
284 | }; |
285 | reader.onerror = function( evt ) { |
286 | var err_resp = 'File read error'; |
287 | if( e.name == 'NotFoundError' ) { |
288 | err_resp = 'File not found'; |
289 | } else if ( e.name == 'NotReadableError' ) { |
290 | err_resp == 'File unreadable - is it yours?'; |
291 | } else if ( e.name == 'EncodingError' ) { |
292 | err_resp == 'File cannot be encoded - is it too long?'; |
293 | } else if ( e.name == 'SecurityError' ) { |
294 | err_resp == 'File read security error'; |
295 | } |
296 | // Fake a jqXHR object that we can pass to our generic error handler. |
297 | var jqxhr = { responseText: '{error:"' + err_resp + '"}' }; |
298 | display_error( jqxhr, $('#upload_status') ); |
299 | $('#upload_button').button('disable'); |
300 | } |
301 | |
302 | reader.readAsBinaryString( newfile ); |
3f9d7ae5 |
303 | } |
304 | |
305 | // Utility function to neatly construct an application URL |
306 | function _get_url( els ) { |
307 | return basepath + els.join('/'); |
308 | } |
309 | |
bd3ccd15 |
310 | |
3f9d7ae5 |
311 | $(document).ready( function() { |
50778a5d |
312 | // See if we have the browser functionality we need |
313 | // TODO Also think of a test for SVG readiness |
7c25980f |
314 | if( !!window.FileReader && !!window.File ) { |
50778a5d |
315 | $('#compatibility_check').empty(); |
316 | } |
317 | |
3f9d7ae5 |
318 | // call out to load the directory div |
319 | $('#textinfo_container').hide(); |
320 | $('#textinfo_waitbox').hide(); |
321 | refreshDirectory(); |
322 | |
323 | // Set up the textinfo edit dialog |
324 | $('#textinfo-edit-dialog').dialog({ |
325 | autoOpen: false, |
326 | height: 200, |
327 | width: 300, |
328 | modal: true, |
329 | buttons: { |
330 | Save: function (evt) { |
331 | $("#edit_textinfo_status").empty(); |
332 | $(evt.target).button("disable"); |
333 | var requrl = _get_url([ "textinfo", selectedTextID ]); |
334 | var reqparam = $('#edit_textinfo').serialize(); |
335 | $.post( requrl, reqparam, function (data) { |
336 | // Reload the selected text fields |
337 | selectedTextInfo = data; |
338 | load_textinfo(); |
339 | // Reenable the button and close the form |
340 | $(evt.target).button("enable"); |
341 | $('#textinfo-edit-dialog').dialog('close'); |
342 | }, 'json' ); |
343 | }, |
344 | Cancel: function() { |
345 | $('#textinfo-edit-dialog').dialog('close'); |
346 | } |
347 | }, |
348 | open: function() { |
349 | $("#edit_textinfo_status").empty(); |
350 | // Populate the form fields with the current values |
351 | // edit_(name, language, public, owner) |
352 | $.each([ 'name', 'language', 'owner' ], function( idx, k ) { |
353 | var fname = '#edit_' + k; |
354 | // Special case: language Default is basically language null |
355 | if( k == 'language' && selectedTextInfo[k] == 'Default' ) { |
356 | $(fname).val( "" ); |
357 | } else { |
358 | $(fname).val( selectedTextInfo[k] ); |
359 | } |
360 | }); |
361 | if( selectedTextInfo['public'] == true ) { |
362 | $('#edit_public').attr('checked','true'); |
363 | } else { |
364 | $('#edit_public').removeAttr('checked'); |
365 | } |
366 | }, |
367 | }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) { |
368 | $(event.target).parent().find('.ui-button').button("enable"); |
369 | if( ajaxSettings.url.indexOf( 'textinfo' ) > -1 |
370 | && ajaxSettings.type == 'POST' ) { |
371 | display_error( jqXHR, $("#edit_textinfo_status") ); |
372 | } |
373 | }); |
374 | |
375 | |
376 | // Set up the stemma editor dialog |
377 | $('#stemma-edit-dialog').dialog({ |
378 | autoOpen: false, |
379 | height: 700, |
380 | width: 600, |
381 | modal: true, |
382 | buttons: { |
383 | Save: function (evt) { |
384 | $("#edit_stemma_status").empty(); |
385 | $(evt.target).button("disable"); |
386 | var stemmaseq = $('#stemmaseq').val(); |
387 | var requrl = _get_url([ "stemma", selectedTextID, stemmaseq ]); |
388 | var reqparam = { 'dot': $('#dot_field').val() }; |
389 | // TODO We need to stash the literal SVG string in stemmata |
390 | // somehow. Implement accept header on server side to decide |
391 | // whether to send application/json or application/xml? |
392 | $.post( requrl, reqparam, function (data) { |
393 | // We received a stemma SVG string in return. |
394 | // Update the current stemma sequence number |
395 | selectedStemmaID = data.stemmaid; |
396 | // Stash the answer in our SVG array |
397 | stemmata[selectedStemmaID] = data.stemmasvg; |
398 | // Display the new stemma |
399 | load_stemma( selectedStemmaID ); |
400 | // Reenable the button and close the form |
401 | $(evt.target).button("enable"); |
402 | $('#stemma-edit-dialog').dialog('close'); |
403 | }, 'json' ); |
404 | }, |
405 | Cancel: function() { |
406 | $('#stemma-edit-dialog').dialog('close'); |
407 | } |
408 | }, |
409 | open: function(evt) { |
410 | $("#edit_stemma_status").empty(); |
411 | var stemmaseq = $('#stemmaseq').val(); |
412 | if( stemmaseq == 'n' ) { |
413 | // If we are creating a new stemma, populate the textarea with a |
414 | // bare digraph. |
415 | $(evt.target).dialog('option', 'title', 'Add a new stemma') |
416 | $('#dot_field').val( "digraph stemma {\n\n}" ); |
417 | } else { |
418 | // If we are editing a stemma, grab its stemmadot and populate the |
419 | // textarea with that. |
420 | $(evt.target).dialog('option', 'title', 'Edit selected stemma') |
421 | $('#dot_field').val( 'Loading, please wait...' ); |
422 | var doturl = _get_url([ "stemmadot", selectedTextID, stemmaseq ]); |
423 | $.getJSON( doturl, function (data) { |
424 | // Re-insert the line breaks |
425 | var dotstring = data.dot.replace(/\|n/gm, "\n"); |
426 | $('#dot_field').val( dotstring ); |
427 | }); |
428 | } |
429 | }, |
430 | }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) { |
431 | $(event.target).parent().find('.ui-button').button("enable"); |
432 | if( ajaxSettings.url.indexOf( 'stemma' ) > -1 |
433 | && ajaxSettings.type == 'POST' ) { |
434 | display_error( jqXHR, $("#edit_stemma_status") ); |
435 | } |
436 | }); |
437 | |
438 | $('#upload-collation-dialog').dialog({ |
439 | autoOpen: false, |
e0b90236 |
440 | height: 360, |
3f9d7ae5 |
441 | width: 480, |
442 | modal: true, |
443 | buttons: { |
3f9d7ae5 |
444 | upload: { |
445 | text: 'Upload', |
446 | id: 'upload_button', |
447 | click: function() { |
448 | $('#upload_status').empty(); |
e0b90236 |
449 | $('#upload_button').button("disable"); |
450 | upload_new(); |
3f9d7ae5 |
451 | } |
452 | }, |
ab0d1218 |
453 | pick_file: { |
454 | text: 'Pick File', |
455 | id: 'pick_file_button', |
456 | click: function() { |
457 | $('#new_file').click(); |
458 | } |
459 | }, |
3f9d7ae5 |
460 | Cancel: function() { |
461 | $('#upload-collation-dialog').dialog('close'); |
462 | } |
463 | }, |
e0b90236 |
464 | open: function() { |
465 | // Set the upload button to its correct state based on |
466 | // whether a file is loaded |
467 | file_selected( $('#new_file').get(0) ); |
2ece58b3 |
468 | $('#upload_status').empty(); |
3f9d7ae5 |
469 | } |
e0b90236 |
470 | }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) { |
471 | // Reset button state |
472 | file_selected( $('#new_file').get(0) ); |
473 | // Display error message if applicable |
474 | if( ajaxSettings.url.indexOf( 'newtradition' ) > -1 |
475 | && ajaxSettings.type == 'POST' ) { |
476 | display_error( jqXHR, $("#upload_status") ); |
477 | } |
478 | });; |
3f9d7ae5 |
479 | |
480 | $('#stemma_graph').mousedown( function(evt) { |
481 | evt.stopPropagation(); |
482 | $('#stemma_graph').data( 'mousedown_xy', [evt.clientX, evt.clientY] ); |
483 | $('body').mousemove( function(evt) { |
484 | mouse_scale = 1; // for now, was: mouse_scale = svg_root_element.getScreenCTM().a; |
485 | dx = (evt.clientX - $('#stemma_graph').data( 'mousedown_xy' )[0]) / mouse_scale; |
486 | dy = (evt.clientY - $('#stemma_graph').data( 'mousedown_xy' )[1]) / mouse_scale; |
487 | $('#stemma_graph').data( 'mousedown_xy', [evt.clientX, evt.clientY] ); |
488 | var svg_root = $('#stemma_graph svg').svg().svg('get').root(); |
489 | var g = $('g.graph', svg_root).get(0); |
490 | current_translate = g.getAttribute( 'transform' ).split(/translate\(/)[1].split(')',1)[0].split(' '); |
491 | new_transform = g.getAttribute( 'transform' ).replace( /translate\([^\)]*\)/, 'translate(' + (parseFloat(current_translate[0]) + dx) + ' ' + (parseFloat(current_translate[1]) + dy) + ')' ); |
492 | g.setAttribute( 'transform', new_transform ); |
493 | evt.returnValue = false; |
494 | evt.preventDefault(); |
495 | return false; |
496 | }); |
497 | $('body').mouseup( function(evt) { |
498 | $('body').unbind('mousemove'); |
499 | $('body').unbind('mouseup'); |
500 | }); |
501 | }); |
502 | |
503 | $('#stemma_graph').mousewheel(function (event, delta) { |
504 | event.returnValue = false; |
505 | event.preventDefault(); |
506 | if (!delta || delta == null || delta == 0) delta = event.originalEvent.wheelDelta; |
507 | if (!delta || delta == null || delta == 0) delta = -1 * event.originalEvent.detail; |
508 | if( delta < -9 ) { delta = -9 }; |
509 | var z = 1 + delta/10; |
510 | z = delta > 0 ? 1 : -1; |
511 | var svg_root = $('#stemma_graph svg').svg().svg('get').root(); |
512 | var g = $('g.graph', svg_root).get(0); |
513 | if (g && ((z<1 && (g.getScreenCTM().a * start_element_height) > 4.0) || (z>=1 && (g.getScreenCTM().a * start_element_height) < 1000))) { |
514 | var scaleLevel = z/10; |
515 | current_scale = parseFloat( g.getAttribute( 'transform' ).split(/scale\(/)[1].split(')',1)[0].split(' ')[0] ); |
516 | new_transform = g.getAttribute( 'transform' ).replace( /scale\([^\)]*\)/, 'scale(' + (current_scale + scaleLevel) + ')' ); |
517 | g.setAttribute( 'transform', new_transform ); |
518 | } |
519 | }); |
520 | |
521 | }); |