xref: /dokuwiki/lib/scripts/media.js (revision 2fb7abe3dee7d302d006ae5c112c98123914279d) 
1/**
2 * JavaScript functionality for the media management popup
3 *
4 * @author Andreas Gohr <andi@splitbrain.org>
5 * @author Pierre Spring <pierre.spring@caillou.ch>
6 */
7
8var dw_mediamanager = {
9    keepopen: false,
10    hide: false,
11    popup: false,
12    display: false,
13    ext: false,
14    $popup: null,
15
16    // Image insertion opts
17    align: false,
18    link: false,
19    size: false,
20    forbidden_opts: {},
21
22    // File list options
23    view_opts: {list: false, sort: false},
24
25    layout_width: 0,
26
27    // The minimum height of the full-screen mediamanager in px
28    minHeights: {thumbs: 200, rows: 100},
29
30    init: function () {
31        var $content, $tree;
32        $content = jQuery('#media__content');
33        $tree    = jQuery('#media__tree');
34
35        dw_mediamanager.prepare_content($content);
36
37        dw_mediamanager.attachoptions();
38        dw_mediamanager.initpopup();
39
40        // add the action to autofill the "upload as" field
41        $content.delegate('#upload__file', 'change', dw_mediamanager.suggest)
42                // Attach the image selector action to all links
43                .delegate('a.select', 'click', dw_mediamanager.select)
44                // Attach deletion confirmation dialog to the delete buttons
45                .delegate('#media__content a.btn_media_delete', 'click',
46                          dw_mediamanager.confirmattach)
47                .delegate('#mediamanager__done_form', 'submit', dw_mediamanager.list);
48
49        $tree.dw_tree({toggle_selector: 'img',
50                       load_data: function (show_sublist, $clicky) {
51                           // get the enclosed link (is always the first one)
52                           var $link = $clicky.parent().find('div.li a.idx_dir');
53
54                           jQuery.post(
55                               DOKU_BASE + 'lib/exe/ajax.php',
56                               $link[0].search.substr(1) + '&call=medians',
57                               show_sublist,
58                               'html'
59                           );
60                       },
61
62                       toggle_display: function ($clicky, opening) {
63                           $clicky.attr('src',
64                                        DOKU_BASE + 'lib/images/' +
65                                        (opening ? 'minus' : 'plus') + '.gif');
66                       }});
67        $tree.delegate('a', 'click', dw_mediamanager.list);
68
69        // Init view property
70        dw_mediamanager.set_fileview_list();
71
72        dw_mediamanager.init_options();
73
74        dw_mediamanager.image_diff();
75        dw_mediamanager.init_ajax_uploader();
76
77        // changing opened tab in the file list panel
78        jQuery('#mediamanager__page div.filelist').delegate('ul.tabs a', 'click', dw_mediamanager.list)
79            // loading file details
80            .delegate('div.panelContent a', 'click', dw_mediamanager.details)
81            // search form
82            .delegate('#dw__mediasearch', 'submit', dw_mediamanager.list)
83            // "upload as" field autofill
84            .delegate('#upload__file', 'change', dw_mediamanager.suggest)
85            // uploaded images
86            .delegate('.qq-upload-file a', 'click', dw_mediamanager.details);
87
88        // changing opened tab in the file details panel
89        jQuery('#mediamanager__page div.file').delegate('ul.tabs a', 'click', dw_mediamanager.details)
90            // "update new version" button
91            .delegate('#mediamanager__btn_update', 'submit', dw_mediamanager.list)
92            // revisions form
93            .delegate('#page__revisions', 'submit', dw_mediamanager.details)
94            .delegate('#page__revisions a', 'click', dw_mediamanager.details)
95            // meta edit form
96            .delegate('#mediamanager__save_meta', 'submit', dw_mediamanager.details)
97            // delete button
98            .delegate('#mediamanager__btn_delete', 'submit', dw_mediamanager.details)
99            // "restore this version" button
100            .delegate('#mediamanager__btn_restore', 'submit', dw_mediamanager.details)
101            // less/more recent buttons in media revisions form
102            .delegate('.btn_newer, .btn_older', 'submit', dw_mediamanager.details);
103
104        dw_mediamanager.update_resizable();
105        dw_mediamanager.layout_width = jQuery("#mediamanager__page").width();
106        jQuery(window).resize(dw_mediamanager.window_resize);
107    },
108
109    init_options: function () {
110        var $options = jQuery('div.filelist div.panelHeader form.options'),
111            $listType, $sortBy, $both;
112        if ($options.length === 0) {
113            return;
114        }
115
116        $listType = $options.find('li.listType');
117        $sortBy = $options.find('li.sortBy');
118        $both = $listType.add($sortBy);
119
120        // Remove the submit button
121        $options.find('input[type=submit]').parent().hide();
122
123        // Prepare HTML for jQuery UI buttonset
124        $both.find('label').each(function () {
125            var $this = jQuery(this);
126            $this.children('input').appendTo($this.parent());
127        });
128
129        // Init buttonset
130        $both.buttonset();
131
132        // Change handlers
133        $listType.children('input').change(function (event) {
134            dw_mediamanager.set_fileview_list();
135        });
136        $sortBy.children('input').change(function (event) {
137            dw_mediamanager.set_fileview_sort();
138            dw_mediamanager.list.call(this, event);
139        });
140    },
141
142    /**
143     * build the popup window
144     *
145     * @author Dominik Eckelmann <eckelmann@cosmocode.de>
146     */
147    initpopup: function () {
148        var opts, $insp, $insbtn;
149
150        dw_mediamanager.$popup = jQuery(document.createElement('div'))
151                 .attr('id', 'media__popup_content')
152                 .dialog({autoOpen: false, width: 280, modal: true,
153                          draggable: true, title: LANG.mediatitle,
154                          resizable: false});
155
156        opts = [{id: 'link', label: LANG.mediatarget,
157                 btns: ['lnk', 'direct', 'nolnk', 'displaylnk']},
158                {id: 'align', label: LANG.mediaalign,
159                 btns: ['noalign', 'left', 'center', 'right']},
160                {id: 'size', label: LANG.mediasize,
161                 btns: ['small', 'medium', 'large', 'original']}
162               ];
163
164        jQuery.each(opts, function (_, opt) {
165            var $p, $l;
166            $p = jQuery(document.createElement('p'))
167                 .attr('id', 'media__' + opt.id);
168
169            if (dw_mediamanager.display === "2") {
170                $p.hide();
171            }
172
173            $l = jQuery(document.createElement('label'))
174                 .text(opt.label);
175            $p.append($l);
176
177            jQuery.each(opt.btns, function (i, text) {
178                var $btn, $img;
179                $btn = jQuery(document.createElement('button'))
180                       .addClass('button')
181                       .attr('id', "media__" + opt.id + "btn" + (i + 1))
182                       .attr('title', LANG['media' + text])
183                       .click(bind(dw_mediamanager.setOpt, opt.id));
184
185                $img = jQuery(document.createElement('img'))
186                       .attr('src', DOKU_BASE + 'lib/images/media_' +
187                                    opt.id + '_' + text + '.png');
188
189                $btn.append($img);
190                $p.append($btn);
191            });
192
193            dw_mediamanager.$popup.append($p);
194        });
195
196        // insert button
197        $insp = jQuery(document.createElement('p'));
198        dw_mediamanager.$popup.append($insp);
199
200        $insbtn = jQuery(document.createElement('input'))
201                  .attr('id', 'media__sendbtn')
202                  .attr('type', 'button')
203                  .addClass('button')
204                  .val(LANG.mediainsert);
205        $insp.append($insbtn);
206    },
207
208    /**
209     * Insert the clicked image into the opener's textarea
210     *
211     * @author Andreas Gohr <andi@splitbrain.org>
212     * @author Dominik Eckelmann <eckelmann@cosmocode.de>
213     * @author Pierre Spring <pierre.spring@caillou.ch>
214     */
215    insert: function (id) {
216        var opts, alignleft, alignright, edid, s;
217
218        // set syntax options
219        dw_mediamanager.$popup.dialog('close');
220
221        opts = '';
222        alignleft = '';
223        alignright = '';
224
225        if ({img: 1, swf: 1}[dw_mediamanager.ext] === 1) {
226
227            if (dw_mediamanager.link === '4') {
228                    opts = '?linkonly';
229            } else {
230
231                if (dw_mediamanager.link === "3" && dw_mediamanager.ext === 'img') {
232                    opts = '?nolink';
233                } else if (dw_mediamanager.link === "2" && dw_mediamanager.ext === 'img') {
234                    opts = '?direct';
235                }
236
237                s = parseInt(dw_mediamanager.size, 10);
238
239                if (s && s >= 1 && s < 4) {
240                    opts += (opts.length)?'&':'?';
241                    opts += dw_mediamanager.size + '00';
242                    if (dw_mediamanager.ext === 'swf') {
243                        switch (s) {
244                        case 1:
245                            opts += 'x62';
246                            break;
247                        case 2:
248                            opts += 'x123';
249                            break;
250                        case 3:
251                            opts += 'x185';
252                            break;
253                        }
254                    }
255                }
256                alignleft = dw_mediamanager.align === '2' ? '' : ' ';
257                alignright = dw_mediamanager.align === '4' ? '' : ' ';
258            }
259        }
260        edid = String.prototype.match.call(document.location, /&edid=([^&]+)/);
261        opener.insertTags(edid ? edid[1] : 'wiki__text',
262                          '{{'+alignleft+id+opts+alignright+'|','}}','');
263
264        if(!dw_mediamanager.keepopen) {
265            window.close();
266        }
267        opener.focus();
268        return false;
269    },
270
271    /**
272     * Prefills the wikiname.
273     *
274     * @author Andreas Gohr <andi@splitbrain.org>
275     */
276    suggest: function(){
277        var $file, $name, text;
278
279        $file = jQuery(this);
280        $name = jQuery('#upload__name');
281
282        if ($name.val() != '') return;
283
284        if(!$file.length || !$name.length) {
285            return;
286        }
287
288        text = $file.val();
289        text = text.substr(text.lastIndexOf('/')+1);
290        text = text.substr(text.lastIndexOf('\\')+1);
291        $name.val(text);
292    },
293
294    /**
295     * list the content of a namespace using AJAX
296     *
297     * @author Andreas Gohr <andi@splitbrain.org>
298     * @author Pierre Spring <pierre.spring@caillou.ch>
299     */
300    list: function (event) {
301        var $link, $content, params;
302
303        if (event) {
304            event.preventDefault();
305        }
306
307        jQuery('div.success, div.info, div.error, div.notify').remove();
308
309        $link = jQuery(this);
310
311        //popup
312        $content = jQuery('#media__content');
313
314        if ($content.length === 0) {
315            //fullscreen media manager
316            $content = jQuery('div.filelist');
317
318            if ($link.hasClass('idx_dir')) {
319                //changing namespace
320                jQuery('div.file').empty();
321                jQuery('div.namespaces .selected').removeClass('selected');
322                $link.addClass('selected');
323            }
324        }
325
326        params = 'call=medialist&';
327
328        if ($link[0].search) {
329            params += $link[0].search.substr(1);
330        } else if ($link.is('form')) {
331            params += dw_mediamanager.form_params($link);
332        } else if ($link.closest('form').length > 0) {
333            params += dw_mediamanager.form_params($link.closest('form'));
334        }
335
336        // fetch the subtree
337        dw_mediamanager.update_content($content, params);
338    },
339
340     /**
341     * Returns form parameters
342     *
343     * @author Kate Arzamastseva <pshns@ukr.net>
344     */
345    form_params: function ($form) {
346        if (!$form.length) return;
347        var action = '';
348        var i = $form[0].action.indexOf('?');
349        if (i >= 0) action = $form[0].action.substr(i+1);
350        return action+'&'+$form.serialize();
351    },
352
353    set_fileview_list: function (new_type) {
354        dw_mediamanager.set_fileview_opt(['list', 'listType', function (new_type) {
355            jQuery('div.filelist div.panelContent ul')
356               .toggleClass('rows', new_type === 'rows')
357               .toggleClass('thumbs', new_type === 'thumbs');
358        }], new_type);
359
360        // FIXME: Move to onchange handler (opt[2])?
361        dw_mediamanager.resize();
362    },
363
364    set_fileview_sort: function (new_sort) {
365        dw_mediamanager.set_fileview_opt(['sort', 'sortBy', function (new_sort) {
366            // FIXME
367        }], new_sort);
368    },
369
370    set_fileview_opt: function (opt, new_val) {
371        if (typeof new_val === 'undefined') {
372            new_val = jQuery('form.options li.' + opt[1] + ' input')
373                        .filter(':checked').val();
374        }
375
376        if (new_val !== dw_mediamanager.view_opts[opt[0]]) {
377            opt[2](new_val);
378
379            DokuCookie.setValue(opt[0], new_val);
380
381            dw_mediamanager.view_opts[opt[0]] = new_val;
382        }
383    },
384
385     /**
386     * Lists the content of the right column (image details) using AJAX
387     *
388     * @author Kate Arzamastseva <pshns@ukr.net>
389     */
390    details: function (event) {
391        var $link, $content, params, update_list;
392        $link = jQuery(this);
393        event.preventDefault();
394
395        jQuery('div.success, div.info, div.error, div.notify').remove();
396
397        if ($link[0].id == 'mediamanager__btn_delete' && !confirm(LANG.del_confirm)) {
398            return false;
399        }
400        if ($link[0].id == 'mediamanager__btn_restore' && !confirm(LANG.restore_confirm)) {
401            return false;
402        }
403
404        $content = jQuery('div.file');
405        params = 'call=mediadetails&';
406
407        if ($link[0].search) {
408            params += $link[0].search.substr(1);
409        } else if ($link.is('form')) {
410            params += dw_mediamanager.form_params($link);
411        } else if ($link.closest('form').length > 0) {
412            params += dw_mediamanager.form_params($link.closest('form'));
413        }
414
415        update_list = ($link[0].id == 'mediamanager__btn_delete' ||
416                       $link[0].id == 'mediamanager__btn_restore');
417
418        dw_mediamanager.update_content($content, params, update_list);
419    },
420
421    update_content: function ($content, params, update_list) {
422        var $container;
423
424        jQuery.post(
425            DOKU_BASE + 'lib/exe/ajax.php',
426            params,
427            function (data) {
428                dw_mediamanager.$resizables().resizable('destroy');
429
430                if (update_list) {
431                    dw_mediamanager.list.call(jQuery('input[value="Apply"]')[0]);
432                }
433
434                $content.html(data);
435
436                dw_mediamanager.prepare_content($content);
437                dw_mediamanager.updatehide();
438
439                dw_mediamanager.update_resizable();
440                dw_behaviour.revisionBoxHandler();
441
442                // Make sure that the list view style stays the same
443                dw_mediamanager.set_fileview_list(dw_mediamanager.view_opts.list);
444
445                dw_mediamanager.image_diff();
446                dw_mediamanager.init_ajax_uploader();
447                dw_mediamanager.init_options();
448
449            },
450            'html'
451        );
452        $container = $content.find('div.panelContent');
453        if ($container.length === 0) {
454            $container = $content;
455        }
456        $container.html('<img src="' + DOKU_BASE + 'lib/images/loading.gif" alt="..." class="load" />');
457    },
458
459    window_resize: function () {
460        dw_mediamanager.resize();
461
462        dw_mediamanager.opacity_slider();
463        dw_mediamanager.portions_slider();
464    },
465
466    $resizables: function () {
467        return jQuery('#mediamanager__page').find('div.namespaces, div.filelist');
468    },
469
470    /**
471     * Updates mediamanager layout
472     *
473     * @author Kate Arzamastseva <pshns@ukr.net>
474     */
475    update_resizable: function () {
476        $resizables = dw_mediamanager.$resizables();
477
478        $resizables.resizable({
479            handles: 'e',
480            resize: function(event, ui){
481                var widthFull = jQuery('#mediamanager__page').width();
482                var widthResizables = 0;
483                $resizables.each(function() {
484                    widthResizables += jQuery(this).width();
485                });
486                var $filePanel = jQuery('#mediamanager__page div.panel.file');
487
488                // set max width of resizable column
489                var widthOtherResizable = widthResizables - jQuery(this).width();
490                var minWidthNonResizable = parseFloat($filePanel.css("min-width"));
491                var maxWidth = widthFull - (widthOtherResizable + minWidthNonResizable);
492                $resizables.resizable( "option", "maxWidth", maxWidth );
493
494                // width of file panel in % = 100% - width of resizables in %
495                // this calculates with 99.99 and not 100 to overcome rounding errors
496                var relWidthNonResizable = 99.99 - (100 * widthResizables / widthFull);
497                // set width of file panel
498                $filePanel.width(relWidthNonResizable+'%');
499
500                $resizables.each(function() {
501                    w = jQuery(this).width();
502                    w = (99.99 * w / widthFull);
503                    w += "%";
504                    jQuery(this).width(w);
505                });
506
507                dw_mediamanager.opacity_slider();
508                dw_mediamanager.portions_slider();
509            }
510        });
511
512        dw_mediamanager.resize();
513    },
514
515    resize: function () {
516        var $contents = jQuery('#mediamanager__page div.panelContent'),
517            height = jQuery(window).height() - jQuery(document.body).height() +
518                      Math.max.apply(null, jQuery.map($contents, function (v) {
519            return jQuery(v).height();
520        }));
521
522        // If the screen is too small, don’t try to resize
523        if (height < dw_mediamanager.minHeights[dw_mediamanager.view_opts.list]) {
524            $contents.add(dw_mediamanager.$resizables()).height('auto');
525        } else {
526            $contents.height(height);
527            dw_mediamanager.$resizables().each(function () {
528                var $this = jQuery(this);
529                $this.height(height + $this.find('div.panelContent').offset().top -
530                             $this.offset().top);
531            });
532        }
533    },
534
535     /**
536     * Prints 'select' for image difference representation type
537     *
538     * @author Kate Arzamastseva <pshns@ukr.net>
539     */
540    image_diff: function () {
541        if (jQuery('#mediamanager__difftype').length) return;
542
543        $form = jQuery('#mediamanager__form_diffview');
544        if (!$form.length) return;
545
546        $label = jQuery(document.createElement('label'));
547        $label.append('<span>'+LANG.media_diff+'</span> ');
548        $select = jQuery(document.createElement('select'))
549         .attr('id', 'mediamanager__difftype')
550         .attr('name', 'difftype')
551         .change(dw_mediamanager.change_diff_type);
552        $select.append(new Option(LANG.media_diff_both, "both"));
553        $select.append(new Option(LANG.media_diff_opacity, "opacity"));
554        $select.append(new Option(LANG.media_diff_portions, "portions"));
555        $label.append($select);
556        $form.append($label);
557
558        // for IE
559        var select = document.getElementById('mediamanager__difftype');
560        select.options[0].text = LANG.media_diff_both;
561        select.options[1].text = LANG.media_diff_opacity;
562        select.options[2].text = LANG.media_diff_portions;
563    },
564
565    /**
566     * Handles selection of image difference representation type
567     *
568     * @author Kate Arzamastseva <pshns@ukr.net>
569     */
570    change_diff_type: function () {
571        $select = jQuery('#mediamanager__difftype');
572        $content = jQuery('#mediamanager__diff');
573
574        params = dw_mediamanager.form_params($select.closest('form'))+'&call=mediadiff';
575        jQuery.post(
576            DOKU_BASE + 'lib/exe/ajax.php',
577            params,
578            function (data) {
579                $content.html(data);
580                dw_mediamanager.portions_slider();
581                dw_mediamanager.opacity_slider();
582            },
583            'html'
584        );
585    },
586
587    /**
588     * Sets options for opacity diff slider
589     *
590     * @author Kate Arzamastseva <pshns@ukr.net>
591     */
592    opacity_slider: function () {
593        var $slider = jQuery( "#mediamanager__diff div.slider" );
594        if (!$slider.length) return;
595
596        var $image = jQuery('#mediamanager__diff div.imageDiff.opacity div.image1 img');
597        if (!$image.length) return;
598        $slider.width($image.width()-20);
599
600        $slider.slider();
601        $slider.slider("option", "min", 0);
602        $slider.slider("option", "max", 0.999);
603        $slider.slider("option", "step", 0.001);
604        $slider.slider("option", "value", 0.5);
605        $slider.bind("slide", function(event, ui) {
606            jQuery('#mediamanager__diff div.imageDiff.opacity div.image2 img').css({ opacity: $slider.slider("option", "value")});
607        });
608    },
609
610     /**
611     * Sets options for red line diff slider
612     *
613     * @author Kate Arzamastseva <pshns@ukr.net>
614     */
615    portions_slider: function () {
616        var $image1 = jQuery('#mediamanager__diff div.imageDiff.portions div.image1 img');
617        var $image2 = jQuery('#mediamanager__diff div.imageDiff.portions div.image2 img');
618        if (!$image1.length || !$image2.length) return;
619
620        var $div = jQuery("#mediamanager__diff");
621        if (!$div.length) return;
622
623        $div.width('100%');
624        $image2.parent().width('97%');
625        $image1.width('100%');
626        $image2.width('100%');
627
628        if ($image1.width() < $div.width()) {
629            $div.width($image1.width());
630        }
631
632        $image2.parent().width('50%');
633        $image2.width($image1.width());
634        $image1.width($image1.width());
635
636        var $slider = jQuery("#mediamanager__diff div.slider");
637        if (!$slider.length) return;
638        $slider.width($image1.width()-20);
639
640        $slider.slider();
641        $slider.slider("option", "min", 0);
642        $slider.slider("option", "max", 97);
643        $slider.slider("option", "step", 1);
644        $slider.slider("option", "value", 50);
645        $slider.bind("slide", function(event, ui) {
646            jQuery('#mediamanager__diff div.imageDiff.portions div.image2').css({ width: $slider.slider("option", "value")+'%'});
647        });
648    },
649
650    /**
651     * Parse a URI query string to an associative array
652     *
653     * @author Kate Arzamastseva <pshns@ukr.net>
654     */
655    params_toarray: function (str) {
656        var vars = [], hash;
657        var hashes = str.split('&');
658        for(var i = 0; i < hashes.length; i++) {
659            hash = hashes[i].split('=');
660            vars[decodeURIComponent(hash[0])] = decodeURIComponent(hash[1]);
661        }
662        return vars;
663    },
664
665    init_ajax_uploader: function () {
666        if (!jQuery('#mediamanager__uploader').length) return;
667        if (jQuery('.qq-upload-list').length) return;
668
669        var params = dw_mediamanager.form_params(jQuery('#dw__upload'))+'&call=mediaupload';
670        params = dw_mediamanager.params_toarray(params);
671
672        var uploader = new qq.FileUploaderExtended({
673            element: document.getElementById('mediamanager__uploader'),
674            action: DOKU_BASE + 'lib/exe/ajax.php',
675            params: params
676        });
677    },
678
679    prepare_content: function ($content) {
680        // hide syntax example
681        $content.find('div.example:visible').hide();
682    },
683
684    /**
685     * shows the popup for a image link
686     */
687    select: function(event){
688        var $link, id, dot, ext;
689
690        event.preventDefault();
691
692        $link = jQuery(this);
693        id = $link.attr('name').substr(2);
694
695        if(!opener){
696            // if we don't run in popup display example
697            // the id's are a bit wierd and jQuery('#ex_wiki_dokuwiki-128.png')
698            // will not be found by Sizzle (the CSS Selector Engine
699            // used by jQuery), hence the document.getElementById() call
700            jQuery(document.getElementById('ex_'+id.replace(/:/g,'_').replace(/^_/,''))).dw_toggle();
701            return;
702        }
703
704        dw_mediamanager.ext = false;
705        dot = id.lastIndexOf(".");
706
707        if (-1 === dot) {
708            dw_mediamanager.insert(id);
709            return;
710        }
711
712        ext = id.substr(dot);
713
714        if ({'.jpg':1, '.jpeg':1, '.png':1, '.gif':1, '.swf':1}[ext] !== 1) {
715            dw_mediamanager.insert(id);
716            return;
717        }
718
719        // remove old callback from the insert button and set the new one.
720        jQuery('#media__sendbtn').unbind().click(bind(dw_mediamanager.insert, id));
721
722        dw_mediamanager.unforbid('ext');
723        if (ext === '.swf') {
724            dw_mediamanager.ext = 'swf';
725            dw_mediamanager.forbid('ext', {link: ['1', '2'],
726                                           size: ['4']});
727        } else {
728            dw_mediamanager.ext = 'img';
729        }
730
731        // Set to defaults
732        dw_mediamanager.setOpt('link');
733        dw_mediamanager.setOpt('align');
734        dw_mediamanager.setOpt('size');
735
736        // toggle buttons for detail and linked image, original size
737        jQuery('#media__linkbtn1, #media__linkbtn2, #media__sizebtn4')
738            .toggle(dw_mediamanager.ext === 'img');
739
740        dw_mediamanager.$popup.dialog('open');
741
742        jQuery('#media__sendbtn').focus();
743    },
744
745    /**
746     * Deletion confirmation dialog to the delete buttons.
747     *
748     * @author Michael Klier <chi@chimeric.de>
749     * @author Pierre Spring <pierre.spring@caillou.ch>
750     */
751    confirmattach: function(e){
752        if(!confirm(LANG.del_confirm + "\n" + jQuery(this).attr('title'))) {
753            e.preventDefault();
754        }
755    },
756
757    /**
758     * Creates checkboxes for additional options
759     *
760     * @author Andreas Gohr <andi@splitbrain.org>
761     * @author Pierre Spring <pierre.spring@caillou.ch>
762     */
763    attachoptions: function(){
764        var $obj, opts;
765
766        $obj = jQuery('#media__opts');
767        if($obj.length === 0) {
768            return;
769        }
770
771        opts = [];
772        // keep open
773        if(opener){
774            opts.push(['keepopen', 'keepopen']);
775        }
776        opts.push(['hide', 'hidedetails']);
777
778        jQuery.each(opts,
779                    function(_, opt) {
780                        var $box, $lbl;
781                        $box = jQuery(document.createElement('input'))
782                                 .attr('type', 'checkbox')
783                                 .attr('id', 'media__' + opt[0])
784                                 .click(bind(dw_mediamanager.toggleOption,
785                                             opt[0]));
786
787                        if(DokuCookie.getValue(opt[0])){
788                            $box.prop('checked', true);
789                            dw_mediamanager[opt[0]] = true;
790                        }
791
792                        $lbl = jQuery(document.createElement('label'))
793                                 .attr('for', 'media__' + opt[0])
794                                 .text(LANG[opt[1]]);
795
796                        $obj.append($box, $lbl, document.createElement('br'));
797                    });
798
799        dw_mediamanager.updatehide();
800    },
801
802    /**
803     * Generalized toggler
804     *
805     * @author Pierre Spring <pierre.spring@caillou.ch>
806     */
807    toggleOption: function (variable) {
808        if (jQuery(this).prop('checked')) {
809            DokuCookie.setValue(variable, 1);
810            dw_mediamanager[variable] = true;
811        } else {
812            DokuCookie.setValue(variable, '');
813            dw_mediamanager[variable] = false;
814        }
815        if (variable === 'hide') {
816            dw_mediamanager.updatehide();
817        }
818    },
819
820    /**
821     * Sets the visibility of the image details accordingly to the
822     * chosen hide state
823     *
824     * @author Andreas Gohr <andi@splitbrain.org>
825     */
826    updatehide: function(){
827        jQuery('#media__content div.detail').dw_toggle(!dw_mediamanager.hide);
828    },
829
830    /**
831     * set media insertion option
832     *
833     * @author Dominik Eckelmann <eckelmann@cosmocode.de>
834     */
835    setOpt: function(opt, e){
836        var val, i;
837        if (typeof e !== 'undefined') {
838            val = this.id.substring(this.id.length - 1);
839        } else {
840            val = dw_mediamanager.getOpt(opt);
841        }
842
843        if (val === false) {
844            DokuCookie.setValue(opt,'');
845            dw_mediamanager[opt] = false;
846            return;
847        }
848
849        if (opt === 'link') {
850            if (val !== '4' && dw_mediamanager.link === '4') {
851                dw_mediamanager.unforbid('linkonly');
852                dw_mediamanager.setOpt('align');
853                dw_mediamanager.setOpt('size');
854            } else if (val === '4') {
855                dw_mediamanager.forbid('linkonly', {align: false, size: false});
856            }
857
858            jQuery("#media__size, #media__align").dw_toggle(val !== '4');
859        }
860
861        DokuCookie.setValue(opt, val);
862        dw_mediamanager[opt] = val;
863
864        for (i = 1; i <= 4; i++) {
865            jQuery("#media__" + opt + "btn" + i).removeClass('selected');
866        }
867        jQuery('#media__' + opt + 'btn' + val).addClass('selected');
868    },
869
870    unforbid: function (group) {
871        delete dw_mediamanager.forbidden_opts[group];
872    },
873
874    forbid: function (group, forbids) {
875        dw_mediamanager.forbidden_opts[group] = forbids;
876    },
877
878    allowedOpt: function (opt, val) {
879        var ret = true;
880        jQuery.each(dw_mediamanager.forbidden_opts,
881                    function (_, forbids) {
882                        ret = forbids[opt] !== false &&
883                              jQuery.inArray(val, forbids[opt]) === -1;
884                        return ret;
885                    });
886        return ret;
887    },
888
889    getOpt: function (opt) {
890        var allowed = bind(dw_mediamanager.allowedOpt, opt);
891
892        // Current value
893        if (dw_mediamanager[opt] !== false && allowed(dw_mediamanager[opt])) {
894            return dw_mediamanager[opt];
895        }
896
897        // From cookie
898        if (DokuCookie.getValue(opt) && allowed(DokuCookie.getValue(opt))) {
899            return DokuCookie.getValue(opt);
900        }
901
902        // size default
903        if (opt === 'size' && allowed('2')) {
904            return '2';
905        }
906
907        // Whatever is allowed, and be it false
908        return jQuery.grep(['1', '2', '3', '4'], allowed)[0] || false;
909    }
910};
911
912// moved from helpers.js temporarily here
913/**
914 * Very simplistic Flash plugin check, probably works for Flash 8 and higher only
915 *
916 */
917function hasFlash(version){
918    var ver = 0, axo;
919    try{
920        if(navigator.plugins !== null && navigator.plugins.length > 0){
921           ver = navigator.plugins["Shockwave Flash"].description.split(' ')[2].split('.')[0];
922        }else{
923           axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
924           ver = axo.GetVariable("$version").split(' ')[1].split(',')[0];
925        }
926    }catch(e){ }
927
928    return ver >= version;
929}
930
931jQuery(dw_mediamanager.init);
932