LP#1787479: Adds customization for multipage print label printing and fixes the issue
[Evergreen.git] / Open-ILS / web / js / ui / default / staff / cat / printlabels / app.js
1 /**
2  * Vol/Copy Editor
3  */
4
5 angular.module('egPrintLabels',
6     ['ngRoute', 'ui.bootstrap', 'egCoreMod', 'egUiMod', 'egGridMod'])
7
8 .config(function ($routeProvider, $locationProvider, $compileProvider) {
9     $locationProvider.html5Mode(true);
10     $compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|mailto|blob):/); // grid export
11
12     var resolver = {
13         delay: ['egStartup', function (egStartup) { return egStartup.go(); }]
14     };
15
16     $routeProvider.when('/cat/printlabels/:dataKey', {
17         templateUrl: './cat/printlabels/t_view',
18         controller: 'LabelCtrl',
19         resolve: resolver
20     });
21
22 })
23
24 .factory('itemSvc',
25        ['egCore',
26 function (egCore) {
27
28     var service = {
29         copies: [], // copy barcode search results
30         index: 0 // search grid index
31     };
32
33     service.flesh = {
34         flesh: 3,
35         flesh_fields: {
36             acp: ['call_number', 'location', 'status', 'location', 'floating', 'circ_modifier', 'age_protect'],
37             acn: ['record', 'prefix', 'suffix'],
38             bre: ['simple_record', 'creator', 'editor']
39         },
40         select: {
41             // avoid fleshing MARC on the bre
42             // note: don't add simple_record.. not sure why
43             bre: ['id', 'tcn_value', 'creator', 'editor'],
44         }
45     }
46
47     // resolved with the last received copy
48     service.fetch = function (barcode, id, noListDupes) {
49         var promise;
50
51         if (barcode) {
52             promise = egCore.pcrud.search('acp',
53                 { barcode: barcode, deleted: 'f' }, service.flesh);
54         } else {
55             promise = egCore.pcrud.retrieve('acp', id, service.flesh);
56         }
57
58         var lastRes;
59         return promise.then(
60             function () { return lastRes },
61             null, // error
62
63             // notify reads the stream of copies, one at a time.
64             function (copy) {
65
66                 var flatCopy;
67                 if (noListDupes) {
68                     // use the existing copy if possible
69                     flatCopy = service.copies.filter(
70                         function (c) { return c.id == copy.id() })[0];
71                 }
72
73                 if (!flatCopy) {
74                     flatCopy = egCore.idl.toHash(copy, true);
75                     flatCopy.index = service.index++;
76                     service.copies.unshift(flatCopy);
77                 }
78
79                 return lastRes = {
80                     copy: copy,
81                     index: flatCopy.index
82                 }
83             }
84         );
85     }
86
87     return service;
88 }])
89
90 /**
91  * Label controller!
92  */
93 .controller('LabelCtrl',
94        ['$scope', '$q', '$window', '$routeParams', '$location', '$timeout', 'egCore', 'egNet', 'ngToast', 'itemSvc', 'labelOutputRowsFilter',
95 function ($scope, $q, $window, $routeParams, $location, $timeout, egCore, egNet, ngToast, itemSvc, labelOutputRowsFilter) {
96
97     var dataKey = $routeParams.dataKey;
98     console.debug('dataKey: ' + dataKey);
99
100     $scope.print = {
101         template_name: 'item_label',
102         template_output: '',
103         template_context: 'default'
104     };
105
106     var toolbox_settings = {
107         feed_option: {
108             options: [
109                 { label: "Continuous", value: "continuous" },
110                 { label: "Sheet", value: "sheet" },
111             ],
112             selected: "continuous"
113         },
114         label_set: {
115             margin_between: 0,
116             size: 1
117         },
118         mode: {
119             options: [
120                 { label: "Spine Label", value: "spine-only" },
121                 { label: "Pocket Label", value: "spine-pocket" }
122             ],
123             selected: "spine-pocket"
124         },
125         page: {
126             column_class: ["spine"],
127             dimensions: {
128                 columns: 2,
129                 rows: 1
130             },
131             label: {
132                 gap: {
133                     size: 0
134                 },
135                 set: {
136                     size: 2
137                 }
138             },
139             margins: {
140                 top: { size: 0, label: "Top" },
141                 left: { size: 0, label: "Left" },
142             },
143             space_between_labels: {
144                 horizontal: { size: 0, label: "Horizontal" },
145                 vertical: { size: 0, label: "Vertical" }
146             },
147             start_position: {
148                 column: 1,
149                 row: 1
150             }
151         }
152     };
153
154     if (dataKey && dataKey.length > 0) {
155
156         egNet.request(
157             'open-ils.actor',
158             'open-ils.actor.anon_cache.get_value',
159             dataKey, 'print-labels-these-copies'
160         ).then(function (data) {
161
162             if (data) {
163
164                 $scope.preview_scope = {
165                     'copies': []
166                     , 'settings': {}
167                     , 'toolbox_settings': toolbox_settings
168                     , 'get_cn_for': function (copy) {
169                         var key = $scope.rendered_cn_key_by_copy_id[copy.id];
170                         if (key) {
171                             var manual_cn = $scope.rendered_call_number_set[key];
172                             if (manual_cn && manual_cn.value) {
173                                 return manual_cn.value;
174                             } else {
175                                 return '..';
176                             }
177                         } else {
178                             return '...';
179                         }
180                     }
181                     , 'get_bib_for': function (copy) {
182                         return $scope.record_details[copy['call_number.record.id']];
183                     }
184                     , 'get_cn_prefix': function (copy) {
185                         return copy['call_number.prefix.label'];
186                     }
187                     , 'get_cn_suffix': function (copy) {
188                         return copy['call_number.suffix.label'];
189                     }
190                     , 'get_location_prefix': function (copy) {
191                         return copy['location.label_prefix'];
192                     }
193                     , 'get_location_suffix': function (copy) {
194                         return copy['location.label_suffix'];
195                     }
196                     , 'get_cn_and_location_prefix': function (copy, separator) {
197                         var acpl_prefix = copy['location.label_prefix'] || '';
198                         var cn_prefix = copy['call_number.prefix.label'] || '';
199                         var prefix = acpl_prefix + ' ' + cn_prefix;
200                         prefix = prefix.trim();
201                         if (separator && prefix != '') { prefix += separator; }
202                         return prefix;
203                     }
204                     , 'get_cn_and_location_suffix': function (copy, separator) {
205                         var acpl_suffix = copy['location.label_suffix'] || '';
206                         var cn_suffix = copy['call_number.suffix.label'] || '';
207                         var suffix = cn_suffix + ' ' + acpl_suffix;
208                         suffix = suffix.trim();
209                         if (separator && suffix != '') { suffix = separator + suffix; }
210                         return suffix;
211                     }
212                     , 'valid_print_label_start_column': function () {
213                         return !angular.isNumber(toolbox_settings.page.dimensions.columns) || !angular.isNumber(toolbox_settings.page.start_position.column) ? false : (toolbox_settings.page.start_position.column <= toolbox_settings.page.dimensions.columns);
214                     }
215                     , 'valid_print_label_start_row': function () {
216                         return !angular.isNumber(toolbox_settings.page.dimensions.rows) || !angular.isNumber(toolbox_settings.page.start_position.row) ? false : (toolbox_settings.page.start_position.row <= toolbox_settings.page.dimensions.rows);
217                     }
218                 };
219
220                 $scope.record_details = {};
221                 $scope.org_unit_settings = {};
222
223                 var promises = [];
224                 $scope.org_unit_setting_list = [
225                      'webstaff.cat.label.font.family'
226                     , 'webstaff.cat.label.font.size'
227                     , 'webstaff.cat.label.font.weight'
228                     , 'webstaff.cat.label.inline_css'
229                     , 'webstaff.cat.label.left_label.height'
230                     , 'webstaff.cat.label.left_label.left_margin'
231                     , 'webstaff.cat.label.left_label.width'
232                     , 'webstaff.cat.label.right_label.height'
233                     , 'webstaff.cat.label.right_label.left_margin'
234                     , 'webstaff.cat.label.right_label.width'
235                     , 'webstaff.cat.label.call_number_wrap_filter_height'
236                     , 'webstaff.cat.label.call_number_wrap_filter_width'
237                 ];
238
239                 promises.push(
240                     egCore.pcrud.search('coust', { name: $scope.org_unit_setting_list }).then(
241                          null
242                         , null
243                         , function (yaous) {
244                             $scope.org_unit_settings[yaous.name()] = egCore.idl.toHash(yaous, true);
245                         }
246                     )
247                 );
248
249                 promises.push(
250                     egCore.org.settings($scope.org_unit_setting_list).then(function (res) {
251                         $scope.preview_scope.settings = res;
252                         egCore.hatch.getItem('cat.printlabels.last_settings').then(function (last_settings) {
253                             if (last_settings) {
254                                 for (s in last_settings) {
255                                     $scope.preview_scope.settings[s] = last_settings[s];
256                                 }
257                             }
258                         });
259                     })
260                 );
261
262                 angular.forEach(data.copies, function (copy) {
263                     promises.push(
264                         itemSvc.fetch(null, copy).then(function (res) {
265                             var flat_copy = egCore.idl.toHash(res.copy, true);
266                             $scope.preview_scope.copies.push(flat_copy);
267                             $scope.record_details[flat_copy['call_number.record.id']] = 1;
268                         })
269                     )
270                 });
271
272                 $q.all(promises).then(function () {
273
274                     var promises2 = [];
275                     angular.forEach($scope.record_details, function (el, k, obj) {
276                         promises2.push(
277                             egNet.request(
278                                 'open-ils.search',
279                                 'open-ils.search.biblio.record.mods_slim.retrieve.authoritative',
280                                 k
281                             ).then(function (data) {
282                                 obj[k] = egCore.idl.toHash(data, true);
283                             })
284                         );
285                     });
286
287                     $q.all(promises2).then(function () {
288                         // today, staff, current_location, etc.
289                         egCore.print.fleshPrintScope($scope.preview_scope);
290                         $scope.template_changed(); // load the default
291                         $scope.rebuild_cn_set();
292                         if ($scope.preview_scope.toolbox_settings && $scope.template_name && $scope.print.template_content) {
293                             var re = /eg\_plt/i;
294                             if (re.test($scope.print.template_content)) {
295                                 $scope.applyTemplate($scope.template_name);
296                                 $scope.redraw_label_table();
297                             }
298                         }
299                     });
300
301                 });
302             } else {
303                 ngToast.danger(egCore.strings.KEY_EXPIRED);
304             }
305
306         });
307
308     }
309
310     $scope.fetchTemplates = function (set_default) {
311         return egCore.hatch.getItem('cat.printlabels.templates').then(function (t) {
312             if (t) {
313                 $scope.templates = t;
314                 $scope.template_name_list = Object.keys(t);
315                 if (set_default) {
316                     egCore.hatch.getItem('cat.printlabels.default_template').then(function (d) {
317                         if ($scope.template_name_list.indexOf(d, 0) > -1) {
318                             $scope.template_name = d;
319                         }
320                     });
321                 }
322             }
323         });
324     }
325     $scope.fetchTemplates(true);
326
327     $scope.applyTemplate = function (n) {
328         if (n) {
329             if ($scope.templates[n]) {
330                 $scope.print.cn_template_content = $scope.templates[n].cn_content;
331                 $scope.print.template_content = $scope.templates[n].content;
332                 $scope.print.template_context = $scope.templates[n].context;
333                 for (var s in $scope.templates[n].settings) {
334                     $scope.preview_scope.settings[s] = $scope.templates[n].settings[s];
335                 }
336                 if ($scope.templates[n].toolbox_settings) {
337                     $scope.preview_scope.toolbox_settings = $scope.templates[n].toolbox_settings;
338                     $scope.create_print_label_table();
339                 }
340                 egCore.hatch.setItem('cat.printlabels.default_template', n);
341                 $scope.save_locally();
342             }
343         }
344     }
345
346     $scope.deleteTemplate = function (n) {
347         if (n) {
348             delete $scope.templates[n]
349             $scope.template_name_list = Object.keys($scope.templates);
350             $scope.template_name = '';
351             egCore.hatch.setItem('cat.printlabels.templates', $scope.templates);
352             $scope.fetchTemplates();
353             ngToast.create(egCore.strings.PRINT_LABEL_TEMPLATE_SUCCESS_DELETE);
354             egCore.hatch.getItem('cat.printlabels.default_template').then(function (d) {
355                 if (d && d == n) {
356                     egCore.hatch.removeItem('cat.printlabels.default_template');
357                 }
358             });
359         }
360     }
361
362     $scope.saveTemplate = function (n) {
363         if (n) {
364             $scope.templates[n] = {
365                 content: $scope.print.template_content
366                 , context: $scope.print.template_context
367                 , cn_content: $scope.print.cn_template_content
368                 , settings: JSON.parse(JSON.stringify($scope.preview_scope.settings))
369                 , toolbox_settings: JSON.parse(JSON.stringify($scope.preview_scope.toolbox_settings))
370             };
371             $scope.template_name_list = Object.keys($scope.templates);
372
373             egCore.hatch.setItem('cat.printlabels.templates', $scope.templates);
374             $scope.fetchTemplates();
375
376             $scope.dirty = false;
377         } else {
378             // save all templates, as we might do after an import
379             egCore.hatch.setItem('cat.printlabels.templates', $scope.templates);
380             $scope.fetchTemplates();
381         }
382         ngToast.create(egCore.strings.PRINT_LABEL_TEMPLATE_SUCCESS_SAVE);
383     }
384
385     $scope.templates = {};
386     $scope.imported_templates = { data: '' };
387     $scope.template_name = '';
388     $scope.template_name_list = [];
389
390     $scope.print_labels = function () {
391         return egCore.print.print({
392             context: $scope.print.template_context,
393             template: $scope.print.template_name,
394             scope: $scope.preview_scope,
395         });
396     }
397
398     $scope.template_changed = function () {
399         $scope.print.load_failed = false;
400         egCore.print.getPrintTemplate('item_label')
401         .then(
402             function (html) {
403                 $scope.print.template_content = html;
404             },
405             function () {
406                 $scope.print.template_content = '';
407                 $scope.print.load_failed = true;
408             }
409         );
410         egCore.print.getPrintTemplateContext('item_label')
411         .then(function (template_context) {
412             $scope.print.template_context = template_context;
413         });
414         egCore.print.getPrintTemplate('item_label_cn')
415         .then(
416             function (html) {
417                 $scope.print.cn_template_content = html;
418             },
419             function () {
420                 $scope.print.cn_template_content = '';
421                 $scope.print.load_failed = true;
422             }
423         );
424         egCore.hatch.getItem('cat.printlabels.last_settings').then(function (s) {
425             if (s) {
426                 $scope.preview_scope.settings = s;
427             }
428         });
429     }
430
431     $scope.reset_to_default = function () {
432         egCore.print.removePrintTemplate(
433             'item_label'
434         );
435         egCore.print.removePrintTemplateContext(
436             'item_label'
437         );
438         egCore.print.removePrintTemplate(
439             'item_label_cn'
440         );
441         egCore.hatch.removeItem('cat.printlabels.last_settings');
442         for (s in $scope.preview_scope.settings) {
443             $scope.preview_scope.settings[s] = undefined;
444         }
445         $scope.preview_scope.settings = {};
446         egCore.org.settings($scope.org_unit_setting_list).then(function (res) {
447             $scope.preview_scope.settings = res;
448         });
449
450         $scope.template_changed();
451     }
452
453     $scope.save_locally = function () {
454         egCore.print.storePrintTemplate(
455             'item_label',
456             $scope.print.template_content
457         );
458         egCore.print.storePrintTemplateContext(
459             'item_label',
460             $scope.print.template_context
461         );
462         egCore.print.storePrintTemplate(
463             'item_label_cn',
464             $scope.print.cn_template_content
465         );
466         egCore.hatch.setItem('cat.printlabels.last_settings', $scope.preview_scope.settings);
467     }
468
469     $scope.imported_print_templates = { data: '' };
470     $scope.$watch('imported_templates.data', function (newVal, oldVal) {
471         if (newVal && newVal != oldVal) {
472             try {
473                 var data = JSON.parse(newVal);
474                 angular.forEach(data, function (el, k) {
475                     $scope.templates[k] = {
476                         content: el.content
477                         , context: el.context
478                         , cn_content: el.cn_content
479                         , settings: el.settings
480                         , toolbox_settings: el.toolbox_settings
481                     };
482                 });
483                 $scope.saveTemplate();
484                 $scope.template_changed(); // refresh
485                 ngToast.create(egCore.strings.PRINT_TEMPLATES_SUCCESS_IMPORT);
486             } catch (E) {
487                 ngToast.warning(egCore.strings.PRINT_TEMPLATES_FAIL_IMPORT);
488             }
489         }
490     });
491
492     $scope.rendered_call_number_set = {};
493     $scope.rendered_cn_key_by_copy_id = {};
494     $scope.rebuild_cn_set = function () {
495         $timeout(function () {
496             $scope.rendered_call_number_set = {};
497             $scope.rendered_cn_key_by_copy_id = {};
498             for (var i = 0; i < $scope.preview_scope.copies.length; i++) {
499                 var copy = $scope.preview_scope.copies[i];
500                 var rendered_cn = document.getElementById('cn_for_copy_' + copy.id);
501                 if (rendered_cn && rendered_cn.textContent) {
502                     var key = rendered_cn.textContent;
503                     if (typeof $scope.rendered_call_number_set[key] == 'undefined') {
504                         $scope.rendered_call_number_set[key] = {
505                             value: key
506                         };
507                     }
508                     $scope.rendered_cn_key_by_copy_id[copy.id] = key;
509                 }
510             }
511             $scope.preview_scope.tickle = Date() + ' ' + Math.random();
512         });
513     }
514
515     $scope.create_print_label_table = function () {
516         if ($scope.print_label_form.$valid && $scope.print.template_content && $scope.preview_scope) {
517             $scope.preview_scope.label_output_copies = labelOutputRowsFilter($scope.preview_scope.copies, $scope.preview_scope.toolbox_settings);
518             var html = $scope.print.template_content;
519             var d = new Date(); //Added to table ID with 'eg_plt_' to cause $complie on $scope.print.template_content to fire due to template content change.
520             var table = "<table id=\"eg_plt_" + d.getTime().toString() + "_{{$index}}\" eg-print-label-table style=\"border-collapse: collapse; border: 0 solid transparent; border-spacing: 0; margin: {{$index === 0 ? toolbox_settings.page.margins.top.size : 0}} 0 0 0;\" class=\"custom-label-table{{$index % toolbox_settings.page.dimensions.rows === 0 && $index > 0 && toolbox_settings.feed_option.selected === 'sheet' ? ' page-break' : ''}}\" ng-init=\"parentIndex = $index\" ng-repeat=\"row in label_output_copies\">\n";
521             table += "<tr>\n";
522             table += "<td style=\"border: 0 solid transparent; padding: {{parentIndex % toolbox_settings.page.dimensions.rows === 0 && toolbox_settings.feed_option.selected === 'sheet' && parentIndex > 0 ? toolbox_settings.page.space_between_labels.vertical.size : parentIndex > 0 ? toolbox_settings.page.space_between_labels.vertical.size : 0}} 0 0 {{$index === 0 ? toolbox_settings.page.margins.left.size : col.styl ? col.styl : toolbox_settings.page.space_between_labels.horizontal.size}};\" ng-repeat=\"col in row.columns\">\n";
523             table += "<pre class=\"{{col.cls}}\" style=\"border: none; margin-bottom: 0; margin-top: 0; overflow: hidden;\" ng-if=\"col.cls === 'spine'\">\n";
524             table += "{{col.c ? get_cn_for(col.c) : ''}}";
525             table += "</pre>\n";
526             table += "<pre class=\"{{col.cls}}{{parentIndex % toolbox_settings.page.dimensions.rows === 0 && parentIndex > 0 && toolbox_settings.feed_option.selected === 'sheet' ? ' page-break' : ''}}\" style=\"border: none;  margin-bottom: 0; margin-top: 0; overflow: hidden;\" ng-if=\"col.cls === 'pocket'\">\n";
527             table += "{{col.c ? col.c.barcode : ''}}\n";
528             table += "{{col.c ? col.c['call_number.label'] : ''}}\n";
529             table += "{{col.c ? get_bib_for(col.c).author : ''}}\n";
530             table += "{{col.c ? (get_bib_for(col.c).title | wrap:28:'once':'  ') : ''}}\n";
531             table += "</pre>\n";
532             table += "</td>\n"
533             table += "</tr>\n";
534             table += "</table>";
535             var comments = html.match(/\<\!\-\-(?:(?!\-\-\>)(?:.|\s))*\-\-\>\s*/g);
536             html = html.replace(/\<\!\-\-(?:(?!\-\-\>)(?:.|\s))*\-\-\>\s*/g, "");
537             var style = html.match(/\<style[^\>]*\>(?:(?!\<\/style\>)(?:.|\s))*\<\/style\>\s*/gi);
538             var output = (style ? style.join("\n") : "") + (comments ? comments.join("\n") : "") + table;
539             output = output.replace(/\n+/, "\n");
540             $scope.print.template_content = output;
541             $scope.save_locally();
542         }
543     }
544
545     $scope.redraw_label_table = function () {
546         var d = new Date(); //Added to table ID with 'eg_plt_' to cause $complie on $scope.print.template_content to fire due to template content change.
547         var table = "<table id=\"eg_plt_" + d.getTime().toString() + "\"\></table>\n";
548         $scope.print.template_content += table;
549         $scope.create_print_label_table();
550     }
551
552     $scope.$watch('preview_scope.toolbox_settings.page.dimensions.columns',
553         function (newVal, oldVal) {
554             if (newVal && newVal != oldVal && $scope.preview_scope) {
555                 $scope.redraw_label_table();
556             }
557         }
558     );
559
560     $scope.$watch('print.cn_template_content', function (newVal, oldVal) {
561         if (newVal && newVal != oldVal) {
562             $scope.rebuild_cn_set();
563         }
564     });
565
566     $scope.$watch("preview_scope.settings['webstaff.cat.label.call_number_wrap_filter_height']", function (newVal, oldVal) {
567         if (newVal && newVal != oldVal) {
568             $scope.rebuild_cn_set();
569         }
570     });
571
572     $scope.$watch("preview_scope.settings['webstaff.cat.label.call_number_wrap_filter_width']", function (newVal, oldVal) {
573         if (newVal && newVal != oldVal) {
574             $scope.rebuild_cn_set();
575         }
576     });
577
578     $scope.$watchGroup(['preview_scope.toolbox_settings.page.margins.top.size', 'preview_scope.toolbox_settings.page.margins.left.size', 'preview_scope.toolbox_settings.page.dimensions.rows', 'preview_scope.toolbox_settings.page.space_between_labels.horizontal.size', 'preview_scope.toolbox_settings.page.space_between_labels.vertical.size', 'preview_scope.toolbox_settings.page.start_position.row', 'preview_scope.toolbox_settings.page.start_position.column', 'preview_scope.toolbox_settings.page.label.gap.size'], function (newVal, oldVal) {
579         if (newVal && newVal != oldVal && $scope.preview_scope.label_output_copies) {
580             $scope.redraw_label_table();
581         }
582     });
583
584     $scope.$watch("preview_scope.toolbox_settings.mode.selected", function (newVal, oldVal) {
585         if (newVal && newVal != oldVal) {
586             var ts_p = $scope.preview_scope.toolbox_settings.page;
587             if (ts_p.label.set.size === 1) {
588                 if (newVal === "spine-pocket") {
589                     ts_p.column_class = ["spine", "pocket"];
590                     ts_p.label.set.size = 2;
591                 } else {
592                     ts_p.column_class = ["spine"];
593                 }
594             } else {
595                 if (newVal === "spine-only") {
596                     for (var i = 0; i < ts_p.label.set.size; i++) {
597                         ts_p.column_class[i] = "spine";
598                     }
599                 } else {
600                     ts_p.label.set.size === 2 ? ts_p.column_class = ["spine", "pocket"] : false;
601                 }
602             }
603             $scope.redraw_label_table();
604         }
605     });
606
607     $scope.$watch("preview_scope.toolbox_settings.page.label.set.size", function (newVal, oldVal) {
608         if (newVal && newVal != oldVal) {
609             var ts_p = $scope.preview_scope.toolbox_settings.page;
610             if (angular.isNumber(newVal)) {
611                 while (ts_p.column_class.length > ts_p.label.set.size) {
612                     ts_p.column_class.splice((ts_p.column_class.length - 1), 1);
613                 }
614                 while (ts_p.column_class.length < ts_p.label.set.size) {
615                     ts_p.column_class.push("spine");
616                 }
617             }
618             $scope.redraw_label_table();
619         }
620     });
621
622     $scope.current_tab = 'call_numbers';
623     $scope.set_tab = function (tab) {
624         $scope.current_tab = tab;
625     }
626
627 }])
628
629 .directive("egPrintLabelColumnBounds", function () {
630     return {
631         link: function (scope, element, attr, ctrl) {
632             function withinBounds(v) {
633                 scope.$watch("preview_scope.toolbox_settings.page.dimensions.columns", function (newVal, oldVal) {
634                     ctrl.$setValidity("egWithinPrintColumnBounds", scope.preview_scope.valid_print_label_start_column())
635                 });
636                 return v;
637             }
638             ctrl.$parsers.push(withinBounds);
639             ctrl.$formatters.push(withinBounds);
640         },
641         require: "ngModel"
642     }
643 })
644
645 .directive("egPrintLabelRowBounds", function () {
646     return {
647         link: function (scope, element, attr, ctrl) {
648             function withinBounds(v) {
649                 scope.$watch("preview_scope.toolbox_settings.page.dimensions.rows", function (newVal, oldVal) {
650                     ctrl.$setValidity("egWithinPrintRowBounds", scope.preview_scope.valid_print_label_start_row());
651                 });
652                 return v;
653             }
654             ctrl.$parsers.push(withinBounds);
655             ctrl.$formatters.push(withinBounds);
656         },
657         require: "ngModel"
658     }
659 })
660
661 .directive("egPrintLabelValidCss", function () {
662     return {
663         require: "ngModel",
664         link: function (scope, element, attr, ctrl) {
665             function floatValidation(v) {
666                 ctrl.$setValidity("isFloat", v.toString().match(/^\-*(?:^0$|(?:\d+)(?:\.\d{1,})*([a-z]{2}))$/) ? true : false);
667                 return v;
668             }
669             ctrl.$parsers.push(floatValidation);
670         }
671     }
672 })
673
674 .directive("egPrintLabelValidInt", function () {
675     return {
676         require: "ngModel",
677         link: function (scope, element, attr, ctrl) {
678             function intValidation(v) {
679                 ctrl.$setValidity("isInteger", v.toString().match(/^\d+$/));
680                 return v;
681             }
682             ctrl.$parsers.push(intValidation);
683         }
684     }
685 })
686
687 .directive('egPrintTemplateOutput', ['$compile', function ($compile) {
688     return function (scope, element, attrs) {
689         scope.$watch(
690             function (scope) {
691                 return scope.$eval(attrs.content);
692             },
693             function (value) {
694                 // create an isolate scope and copy the print context
695                 // data into the new scope.
696                 // TODO: see also print security concerns in egHatch
697                 var result = element.html(value);
698                 var context = scope.$eval(attrs.context);
699                 var print_scope = scope.$new(true);
700                 angular.forEach(context, function (val, key) {
701                     print_scope[key] = val;
702                 })
703                 $compile(element.contents())(print_scope);
704             }
705         );
706     };
707 }])
708
709 .filter('cn_wrap', function () {
710     return function (input, w, h, wrap_type) {
711         var names;
712         var prefix = input[0];
713         var callnum = input[1];
714         var suffix = input[2];
715
716         if (!w) { w = 8; }
717         if (!h) { h = 9; }
718
719         /* handle spine labels differently if using LC */
720         if (wrap_type == 'lc' || wrap_type == 3) {
721             /* Establish a pattern where every return value should be isolated on its own line 
722                on the spine label: subclass letters, subclass numbers, cutter numbers, trailing stuff (date) */
723             var patt1 = /^([A-Z]{1,3})\s*(\d+(?:\.\d+)?)\s*(\.[A-Z]\d*)\s*([A-Z]\d*)?\s*(\d\d\d\d(?:-\d\d\d\d)?)?\s*(.*)$/i;
724             var result = callnum.match(patt1);
725             if (result) {
726                 callnum = result.slice(1).join('\t');
727             } else {
728                 callnum = callnum.split(/\s+/).join('\t');
729             }
730
731             /* If result is null, leave callnum alone. Can't parse this malformed call num */
732         } else {
733             callnum = callnum.split(/\s+/).join('\t');
734         }
735
736         if (prefix) {
737             callnum = prefix + '\t' + callnum;
738         }
739         if (suffix) {
740             callnum += '\t' + suffix;
741         }
742
743         /* At this point, the call number pieces are separated by tab characters.  This allows
744         *  some space-containing constructs like "v. 1" to appear on one line
745         */
746         callnum = callnum.replace(/\t\t/g, '\t');  /* Squeeze out empties */
747         names = callnum.split('\t');
748         var j = 0; var tb = [];
749         while (j < h) {
750
751             /* spine */
752             if (j < w) {
753
754                 var name = names.shift();
755                 if (name) {
756                     name = String(name);
757
758                     /* if the name is greater than the label width... */
759                     if (name.length > w) {
760                         /* then try to split it on periods */
761                         var sname = name.split(/\./);
762                         if (sname.length > 1) {
763                             /* if we can, then put the periods back in on each splitted element */
764                             if (name.match(/^\./)) sname[0] = '.' + sname[0];
765                             for (var k = 1; k < sname.length; k++) sname[k] = '.' + sname[k];
766                             /* and put all but the first one back into the names array */
767                             names = sname.slice(1).concat(names);
768                             /* if the name fragment is still greater than the label width... */
769                             if (sname[0].length > w) {
770                                 /* then just truncate and throw the rest back into the names array */
771                                 tb[j] = sname[0].substr(0, w);
772                                 names = [sname[0].substr(w)].concat(names);
773                             } else {
774                                 /* otherwise we're set */
775                                 tb[j] = sname[0];
776                             }
777                         } else {
778                             /* if we can't split on periods, then just truncate and throw the rest back into the names array */
779                             tb[j] = name.substr(0, w);
780                             names = [name.substr(w)].concat(names);
781                         }
782                     } else {
783                         /* otherwise we're set */
784                         tb[j] = name;
785                     }
786                 }
787             }
788             j++;
789         }
790         return tb.join('\n');
791     }
792 })
793
794 .filter("columnRowRange", function () {
795     return function (i) {
796         var res = [];
797         for (var j = 0; j < i; j++) {
798             res.push(j);
799         }
800         return res;
801     }
802 })
803
804 //Accepts $scope.preview_scope.copies and $scope.preview_scope.toolbox_settings as its parameters.
805 .filter("labelOutputRows", function () {
806     return function (copies, settings) {
807         var cols = [], rows = [];
808         for (var j = 0; j < (settings.page.start_position.row - 1) ; j++) {
809             cols = [];
810             for (var k = 0; k < settings.page.dimensions.columns; k++) {
811                 cols.push({ c: null, index: k, cls: getPrintLabelOutputClass(k, settings), styl: getPrintLabelStyle(k, settings) });
812             }
813             rows.push({ columns: cols });
814         }
815         cols = [];
816         for (var j = 0; j < (settings.page.start_position.column - 1) ; j++) {
817             cols.push({ c: null, index: j, cls: getPrintLabelOutputClass(j, settings), styl: getPrintLabelStyle(j, settings) });
818         }
819         var m = cols.length;
820         for (var j = 0; j < copies.length; j++) {
821             for (var n = 0; n < settings.page.label.set.size; n++) {
822                 if (m < settings.page.dimensions.columns) {
823                     cols.push({ c: copies[j], index: cols.length, cls: getPrintLabelOutputClass(m, settings), styl: getPrintLabelStyle(m, settings) });
824                     m += 1;
825                 }
826                 if (m === settings.page.dimensions.columns) {
827                     m = 0;
828                     rows.push({ columns: cols });
829                     cols = [];
830                     n = settings.page.label.set.size;
831                 }
832             }
833         }
834         cols.length > 0 ? rows.push({ columns: cols }) : false;
835         if (rows.length > 0) {
836             while ((rows[(rows.length - 1)].columns.length) < settings.page.dimensions.columns) {
837                 rows[(rows.length - 1)].columns.push({ c: null, index: rows[(rows.length - 1)].columns.length, cls: getPrintLabelOutputClass(rows[(rows.length - 1)].columns.length, settings), styl: getPrintLabelStyle(rows[(rows.length - 1)].columns.length, settings) });
838             }
839         }
840         return rows;
841     }
842 })
843
844 .filter('wrap', function () {
845     return function (input, w, wrap_type, indent) {
846         var output;
847
848         if (!w) return input;
849         if (!indent) indent = '';
850
851         function wrap_on_space(
852                 text,
853                 length,
854                 wrap_just_once,
855                 if_cant_wrap_then_truncate,
856                 idx
857         ) {
858             if (idx > 10) {
859                 console.log('possible infinite recursion, aborting');
860                 return '';
861             }
862             if (String(text).length <= length) {
863                 return text;
864             } else {
865                 var truncated_text = String(text).substr(0, length);
866                 var pivot_pos = truncated_text.lastIndexOf(' ');
867                 var left_chunk = text.substr(0, pivot_pos).replace(/\s*$/, '');
868                 var right_chunk = String(text).substr(pivot_pos + 1);
869
870                 var wrapped_line;
871                 if (left_chunk.length == 0) {
872                     if (if_cant_wrap_then_truncate) {
873                         wrapped_line = truncated_text;
874                     } else {
875                         wrapped_line = text;
876                     }
877                 } else {
878                     wrapped_line =
879                         left_chunk + '\n'
880                         + indent + (
881                             wrap_just_once
882                             ? right_chunk
883                             : (
884                                 right_chunk.length > length
885                                 ? wrap_on_space(
886                                     right_chunk,
887                                     length,
888                                     false,
889                                     if_cant_wrap_then_truncate,
890                                     idx + 1)
891                                 : right_chunk
892                             )
893                         )
894                     ;
895                 }
896                 return wrapped_line;
897             }
898         }
899
900         switch (wrap_type) {
901             case 'once':
902                 output = wrap_on_space(input, w, true, false, 0);
903                 break;
904             default:
905                 output = wrap_on_space(input, w, false, false, 0);
906                 break;
907         }
908
909         return output;
910     }
911 });
912
913 function getPrintLabelOutputClass(index, settings) {
914     return settings.page.column_class[index % settings.page.label.set.size];
915 }
916
917 function getPrintLabelStyle(index, settings) {
918     return index > 0 && (index % settings.page.label.set.size === 0) ? settings.page.label.gap.size : "";
919 }