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(); |
75354c3a |
50 | } else { |
ce1c5863 |
51 | $('#open_stemma_add').hide(); |
52 | $('#open_stemma_edit').hide(); |
53 | $('#open_textinfo_edit').hide(); |
75354c3a |
54 | } |
55 | |
62723740 |
56 | // Then get and load the actual content. |
98a45925 |
57 | // TODO: scale #stemma_graph both horizontally and vertically |
f6a8db89 |
58 | // TODO: load svgs from SVG.Jquery (to make scaling react in Safari) |
3f9d7ae5 |
59 | $.getJSON( _get_url([ "textinfo", textid ]), function (textdata) { |
98a45925 |
60 | // Add the scalar data |
75354c3a |
61 | selectedTextInfo = textdata; |
62 | load_textinfo(); |
63 | // Add the stemma(ta) and set up the stexaminer button |
98a45925 |
64 | stemmata = textdata.stemmata; |
65 | if( stemmata.length ) { |
66 | selectedStemmaID = 0; |
57e3a008 |
67 | $('#run_stexaminer').show(); |
65a0c9c6 |
68 | } else { |
57e3a008 |
69 | selectedStemmaID = -1; |
65a0c9c6 |
70 | $('#open_stemma_edit').hide(); |
71 | $('#run_stexaminer').hide(); |
65a0c9c6 |
72 | } |
3f9d7ae5 |
73 | load_stemma( selectedStemmaID ); |
98a45925 |
74 | // Set up the relationship mapper button |
3f9d7ae5 |
75 | $('#run_relater').attr( 'action', _get_url([ "relation", textid ]) ); |
98a45925 |
76 | }); |
77 | } |
78 | |
3f9d7ae5 |
79 | // Load the metadata about a tradition into the appropriate div. |
75354c3a |
80 | function load_textinfo() { |
81 | $('#textinfo_waitbox').hide(); |
82 | $('#textinfo_load_status').empty(); |
83 | $('#textinfo_container').show(); |
84 | $('.texttitle').empty().append( selectedTextInfo.name ); |
85 | // Witnesses |
86 | $('#witness_num').empty().append( selectedTextInfo.witnesses.size ); |
87 | $('#witness_list').empty().append( selectedTextInfo.witnesses.join( ', ' ) ); |
88 | // Who the owner is |
89 | $('#owner_id').empty().append('no one'); |
90 | if( selectedTextInfo.owner ) { |
91 | $('#owner_id').empty().append( selectedTextInfo.owner ); |
92 | } |
93 | // Whether or not it is public |
94 | $('#not_public').empty(); |
95 | if( selectedTextInfo['public'] == false ) { |
96 | $('#not_public').append('NOT '); |
97 | } |
98 | // What language setting it has, if any |
99 | $('#marked_language').empty().append('no language set'); |
100 | if( selectedTextInfo.language && selectedTextInfo.language != 'Default' ) { |
101 | $('#marked_language').empty().append( selectedTextInfo.language ); |
102 | } |
103 | } |
104 | |
3f9d7ae5 |
105 | // Enable / disable the appropriate buttons for paging through the stemma. |
65a0c9c6 |
106 | function show_stemmapager () { |
bf81fb57 |
107 | $('.pager_left_button').unbind('click').addClass( 'greyed_out' ); |
108 | $('.pager_right_button').unbind('click').addClass( 'greyed_out' ); |
65a0c9c6 |
109 | if( selectedStemmaID > 0 ) { |
110 | $('.pager_left_button').click( function () { |
111 | load_stemma( selectedStemmaID - 1 ); |
bf81fb57 |
112 | }).removeClass( 'greyed_out' ); |
65a0c9c6 |
113 | } |
114 | if( selectedStemmaID + 1 < stemmata.length ) { |
115 | $('.pager_right_button').click( function () { |
116 | load_stemma( selectedStemmaID + 1 ); |
bf81fb57 |
117 | }).removeClass( 'greyed_out' ); |
65a0c9c6 |
118 | } |
119 | } |
120 | |
3f9d7ae5 |
121 | // Load a given stemma SVG into the stemmagraph box. |
75354c3a |
122 | function load_stemma( idx ) { |
65a0c9c6 |
123 | // Load the stemma at idx |
124 | selectedStemmaID = idx; |
57e3a008 |
125 | show_stemmapager(); |
98a45925 |
126 | if( idx > -1 ) { |
bd3ccd15 |
127 | loadSVG( stemmata[idx] ); |
98a45925 |
128 | // Stexaminer submit action |
3f9d7ae5 |
129 | var stexpath = _get_url([ "stexaminer", selectedTextID, idx ]); |
98a45925 |
130 | $('#run_stexaminer').attr( 'action', stexpath ); |
40803b80 |
131 | setTimeout( 'start_element_height = $("#stemma_graph .node")[0].getBBox().height;', 500 ); |
98a45925 |
132 | } |
5ba6c2b4 |
133 | } |
75354c3a |
134 | |
bd3ccd15 |
135 | // Load the SVG we are given |
136 | function loadSVG(svgData) { |
137 | var svgElement = $('#stemma_graph'); |
138 | |
139 | $(svgElement).svg('destroy'); |
140 | |
141 | $(svgElement).svg({ |
142 | loadURL: svgData, |
143 | onLoad : function () { |
144 | var theSVG = svgElement.find('svg'); |
145 | var svgoffset = theSVG.offset(); |
bd3ccd15 |
146 | var browseroffset = 1; |
23f8bfc2 |
147 | // Firefox needs a different offset, stupidly enough |
bd3ccd15 |
148 | if( navigator.userAgent.indexOf('Firefox') > -1 ) { |
23f8bfc2 |
149 | browseroffset = 3; // works for tall images |
150 | // ...but if the SVG is wider than it is tall, Firefox treats |
151 | // the top as being the top of the graph, loaded into the middle |
152 | // of the canvas, but then the margin at the top of the canvas |
153 | // extends upward. So we have to find the actual top of the canvas |
154 | // and correct for *that* instead. |
155 | var vbdim = svgElement.svg().svg('get').root().viewBox.baseVal; |
156 | if( vbdim.height < vbdim.width ) { |
157 | var vbscale = svgElement.width() / vbdim.width; |
158 | var vbrealheight = vbdim.height * vbscale; |
159 | browseroffset = 3 + ( svgElement.height() - vbrealheight ) / 2; |
160 | } |
bd3ccd15 |
161 | } |
162 | var topoffset = theSVG.position().top - svgElement.position().top - browseroffset; |
bd3ccd15 |
163 | theSVG.offset({ top: svgoffset.top - topoffset, left: svgoffset.left }); |
164 | } |
165 | }); |
166 | } |
167 | |
3f9d7ae5 |
168 | // General-purpose error-handling function. |
169 | // TODO make sure this gets used throughout, where appropriate. |
75354c3a |
170 | function display_error( jqXHR, el ) { |
ce1c5863 |
171 | var errmsg; |
172 | if( jqXHR.responseText == "" ) { |
173 | errmsg = "perhaps the server went down?" |
75354c3a |
174 | } else { |
ce1c5863 |
175 | var errobj; |
176 | try { |
177 | errobj = jQuery.parseJSON( jqXHR.responseText ); |
178 | errmsg = errobj.error; |
179 | } catch ( parse_err ) { |
180 | errmsg = "something went wrong on the server." |
181 | } |
75354c3a |
182 | } |
ce1c5863 |
183 | var msghtml = $('<span>').attr('class', 'error').text( "An error occurred: " + errmsg ); |
75354c3a |
184 | $(el).empty().append( msghtml ).show(); |
3f9d7ae5 |
185 | } |
186 | |
e0b90236 |
187 | // Event to enable the upload button when a file has been selected |
188 | function file_selected( e ) { |
189 | if( e.files.length == 1 ) { |
190 | $('#upload_button').button('enable'); |
191 | } else { |
192 | $('#upload_button').button('disable'); |
193 | } |
194 | } |
195 | |
196 | function upload_new () { |
197 | // Serialize the upload form, get the file and attach it to the request, |
198 | // POST the lot and handle the response. |
199 | var newfile = $('#new_file').get(0).files[0]; |
200 | var reader = new FileReader(); |
201 | reader.onload = function( evt ) { |
202 | var formvals = $('#new_tradition').serializeArray(); |
203 | var params = { 'file': evt.target.result, 'filename': newfile.name }; |
204 | $.each( formvals, function( i, o ) { |
205 | params[o.name] = o.value; |
206 | }); |
207 | var upload_url = _get_url([ 'newtradition' ]); |
208 | $.post( upload_url, params, function( ret ) { |
209 | if( ret.id ) { |
210 | $('#upload-collation-dialog').dialog('close'); |
211 | refreshDirectory(); |
212 | loadTradition( ret.id, ret.name, 1 ); |
213 | } else if( ret.error ) { |
214 | $('#upload_status').empty().append( |
215 | $('<span>').attr('class', 'error').append( ret.error ) ); |
216 | } |
217 | }); |
218 | }; |
219 | reader.onerror = function( evt ) { |
220 | var err_resp = 'File read error'; |
221 | if( e.name == 'NotFoundError' ) { |
222 | err_resp = 'File not found'; |
223 | } else if ( e.name == 'NotReadableError' ) { |
224 | err_resp == 'File unreadable - is it yours?'; |
225 | } else if ( e.name == 'EncodingError' ) { |
226 | err_resp == 'File cannot be encoded - is it too long?'; |
227 | } else if ( e.name == 'SecurityError' ) { |
228 | err_resp == 'File read security error'; |
229 | } |
230 | // Fake a jqXHR object that we can pass to our generic error handler. |
231 | var jqxhr = { responseText: '{error:"' + err_resp + '"}' }; |
232 | display_error( jqxhr, $('#upload_status') ); |
233 | $('#upload_button').button('disable'); |
234 | } |
235 | |
236 | reader.readAsBinaryString( newfile ); |
3f9d7ae5 |
237 | } |
238 | |
239 | // Utility function to neatly construct an application URL |
240 | function _get_url( els ) { |
241 | return basepath + els.join('/'); |
242 | } |
243 | |
bd3ccd15 |
244 | |
3f9d7ae5 |
245 | $(document).ready( function() { |
246 | // call out to load the directory div |
247 | $('#textinfo_container').hide(); |
248 | $('#textinfo_waitbox').hide(); |
249 | refreshDirectory(); |
250 | |
251 | // Set up the textinfo edit dialog |
252 | $('#textinfo-edit-dialog').dialog({ |
253 | autoOpen: false, |
254 | height: 200, |
255 | width: 300, |
256 | modal: true, |
257 | buttons: { |
258 | Save: function (evt) { |
259 | $("#edit_textinfo_status").empty(); |
260 | $(evt.target).button("disable"); |
261 | var requrl = _get_url([ "textinfo", selectedTextID ]); |
262 | var reqparam = $('#edit_textinfo').serialize(); |
263 | $.post( requrl, reqparam, function (data) { |
264 | // Reload the selected text fields |
265 | selectedTextInfo = data; |
266 | load_textinfo(); |
267 | // Reenable the button and close the form |
268 | $(evt.target).button("enable"); |
269 | $('#textinfo-edit-dialog').dialog('close'); |
270 | }, 'json' ); |
271 | }, |
272 | Cancel: function() { |
273 | $('#textinfo-edit-dialog').dialog('close'); |
274 | } |
275 | }, |
276 | open: function() { |
277 | $("#edit_textinfo_status").empty(); |
278 | // Populate the form fields with the current values |
279 | // edit_(name, language, public, owner) |
280 | $.each([ 'name', 'language', 'owner' ], function( idx, k ) { |
281 | var fname = '#edit_' + k; |
282 | // Special case: language Default is basically language null |
283 | if( k == 'language' && selectedTextInfo[k] == 'Default' ) { |
284 | $(fname).val( "" ); |
285 | } else { |
286 | $(fname).val( selectedTextInfo[k] ); |
287 | } |
288 | }); |
289 | if( selectedTextInfo['public'] == true ) { |
290 | $('#edit_public').attr('checked','true'); |
291 | } else { |
292 | $('#edit_public').removeAttr('checked'); |
293 | } |
294 | }, |
295 | }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) { |
296 | $(event.target).parent().find('.ui-button').button("enable"); |
297 | if( ajaxSettings.url.indexOf( 'textinfo' ) > -1 |
298 | && ajaxSettings.type == 'POST' ) { |
299 | display_error( jqXHR, $("#edit_textinfo_status") ); |
300 | } |
301 | }); |
302 | |
303 | |
304 | // Set up the stemma editor dialog |
305 | $('#stemma-edit-dialog').dialog({ |
306 | autoOpen: false, |
307 | height: 700, |
308 | width: 600, |
309 | modal: true, |
310 | buttons: { |
311 | Save: function (evt) { |
312 | $("#edit_stemma_status").empty(); |
313 | $(evt.target).button("disable"); |
314 | var stemmaseq = $('#stemmaseq').val(); |
315 | var requrl = _get_url([ "stemma", selectedTextID, stemmaseq ]); |
316 | var reqparam = { 'dot': $('#dot_field').val() }; |
317 | // TODO We need to stash the literal SVG string in stemmata |
318 | // somehow. Implement accept header on server side to decide |
319 | // whether to send application/json or application/xml? |
320 | $.post( requrl, reqparam, function (data) { |
321 | // We received a stemma SVG string in return. |
322 | // Update the current stemma sequence number |
323 | selectedStemmaID = data.stemmaid; |
324 | // Stash the answer in our SVG array |
325 | stemmata[selectedStemmaID] = data.stemmasvg; |
326 | // Display the new stemma |
327 | load_stemma( selectedStemmaID ); |
328 | // Reenable the button and close the form |
329 | $(evt.target).button("enable"); |
330 | $('#stemma-edit-dialog').dialog('close'); |
331 | }, 'json' ); |
332 | }, |
333 | Cancel: function() { |
334 | $('#stemma-edit-dialog').dialog('close'); |
335 | } |
336 | }, |
337 | open: function(evt) { |
338 | $("#edit_stemma_status").empty(); |
339 | var stemmaseq = $('#stemmaseq').val(); |
340 | if( stemmaseq == 'n' ) { |
341 | // If we are creating a new stemma, populate the textarea with a |
342 | // bare digraph. |
343 | $(evt.target).dialog('option', 'title', 'Add a new stemma') |
344 | $('#dot_field').val( "digraph stemma {\n\n}" ); |
345 | } else { |
346 | // If we are editing a stemma, grab its stemmadot and populate the |
347 | // textarea with that. |
348 | $(evt.target).dialog('option', 'title', 'Edit selected stemma') |
349 | $('#dot_field').val( 'Loading, please wait...' ); |
350 | var doturl = _get_url([ "stemmadot", selectedTextID, stemmaseq ]); |
351 | $.getJSON( doturl, function (data) { |
352 | // Re-insert the line breaks |
353 | var dotstring = data.dot.replace(/\|n/gm, "\n"); |
354 | $('#dot_field').val( dotstring ); |
355 | }); |
356 | } |
357 | }, |
358 | }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) { |
359 | $(event.target).parent().find('.ui-button').button("enable"); |
360 | if( ajaxSettings.url.indexOf( 'stemma' ) > -1 |
361 | && ajaxSettings.type == 'POST' ) { |
362 | display_error( jqXHR, $("#edit_stemma_status") ); |
363 | } |
364 | }); |
365 | |
366 | $('#upload-collation-dialog').dialog({ |
367 | autoOpen: false, |
e0b90236 |
368 | height: 360, |
3f9d7ae5 |
369 | width: 480, |
370 | modal: true, |
371 | buttons: { |
3f9d7ae5 |
372 | upload: { |
373 | text: 'Upload', |
374 | id: 'upload_button', |
375 | click: function() { |
376 | $('#upload_status').empty(); |
e0b90236 |
377 | $('#upload_button').button("disable"); |
378 | upload_new(); |
3f9d7ae5 |
379 | } |
380 | }, |
381 | Cancel: function() { |
382 | $('#upload-collation-dialog').dialog('close'); |
383 | } |
384 | }, |
e0b90236 |
385 | open: function() { |
386 | // Set the upload button to its correct state based on |
387 | // whether a file is loaded |
388 | file_selected( $('#new_file').get(0) ); |
3f9d7ae5 |
389 | } |
e0b90236 |
390 | }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) { |
391 | // Reset button state |
392 | file_selected( $('#new_file').get(0) ); |
393 | // Display error message if applicable |
394 | if( ajaxSettings.url.indexOf( 'newtradition' ) > -1 |
395 | && ajaxSettings.type == 'POST' ) { |
396 | display_error( jqXHR, $("#upload_status") ); |
397 | } |
398 | });; |
3f9d7ae5 |
399 | |
400 | $('#stemma_graph').mousedown( function(evt) { |
401 | evt.stopPropagation(); |
402 | $('#stemma_graph').data( 'mousedown_xy', [evt.clientX, evt.clientY] ); |
403 | $('body').mousemove( function(evt) { |
404 | mouse_scale = 1; // for now, was: mouse_scale = svg_root_element.getScreenCTM().a; |
405 | dx = (evt.clientX - $('#stemma_graph').data( 'mousedown_xy' )[0]) / mouse_scale; |
406 | dy = (evt.clientY - $('#stemma_graph').data( 'mousedown_xy' )[1]) / mouse_scale; |
407 | $('#stemma_graph').data( 'mousedown_xy', [evt.clientX, evt.clientY] ); |
408 | var svg_root = $('#stemma_graph svg').svg().svg('get').root(); |
409 | var g = $('g.graph', svg_root).get(0); |
410 | current_translate = g.getAttribute( 'transform' ).split(/translate\(/)[1].split(')',1)[0].split(' '); |
411 | new_transform = g.getAttribute( 'transform' ).replace( /translate\([^\)]*\)/, 'translate(' + (parseFloat(current_translate[0]) + dx) + ' ' + (parseFloat(current_translate[1]) + dy) + ')' ); |
412 | g.setAttribute( 'transform', new_transform ); |
413 | evt.returnValue = false; |
414 | evt.preventDefault(); |
415 | return false; |
416 | }); |
417 | $('body').mouseup( function(evt) { |
418 | $('body').unbind('mousemove'); |
419 | $('body').unbind('mouseup'); |
420 | }); |
421 | }); |
422 | |
423 | $('#stemma_graph').mousewheel(function (event, delta) { |
424 | event.returnValue = false; |
425 | event.preventDefault(); |
426 | if (!delta || delta == null || delta == 0) delta = event.originalEvent.wheelDelta; |
427 | if (!delta || delta == null || delta == 0) delta = -1 * event.originalEvent.detail; |
428 | if( delta < -9 ) { delta = -9 }; |
429 | var z = 1 + delta/10; |
430 | z = delta > 0 ? 1 : -1; |
431 | var svg_root = $('#stemma_graph svg').svg().svg('get').root(); |
432 | var g = $('g.graph', svg_root).get(0); |
433 | if (g && ((z<1 && (g.getScreenCTM().a * start_element_height) > 4.0) || (z>=1 && (g.getScreenCTM().a * start_element_height) < 1000))) { |
434 | var scaleLevel = z/10; |
435 | current_scale = parseFloat( g.getAttribute( 'transform' ).split(/scale\(/)[1].split(')',1)[0].split(' ')[0] ); |
436 | new_transform = g.getAttribute( 'transform' ).replace( /scale\([^\)]*\)/, 'scale(' + (current_scale + scaleLevel) + ')' ); |
437 | g.setAttribute( 'transform', new_transform ); |
438 | } |
439 | }); |
440 | |
441 | }); |