xref: /dokuwiki/lib/scripts/media.js (revision 3b0238c5d7678eea1a4ca7a8d1e329e6006f6a87) 
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        $tree    = jQuery('#media__tree');
34        if(!$tree.length) return;
35
36        dw_mediamanager.prepare_content($content);
37
38        dw_mediamanager.attachoptions();
39        dw_mediamanager.initpopup();
40
41        // add the action to autofill the "upload as" field
42        $content
43            .delegate('#upload__file', 'change', dw_mediamanager.suggest)
44            // Attach the image selector action to all links
45            .delegate('a.select', 'click', dw_mediamanager.select)
46            // Attach deletion confirmation dialog to the delete buttons
47            .delegate('#media__content a.btn_media_delete', 'click',
48                      dw_mediamanager.confirmattach)
49            .delegate('#mediamanager__done_form', 'submit', dw_mediamanager.list);
50
51        $tree.dw_tree({toggle_selector: 'img',
52                       load_data: function (show_sublist, $clicky) {
53                           // get the enclosed link (is always the first one)
54                           var $link = $clicky.parent().find('div.li a.idx_dir');
55
56                           jQuery.post(
57                               DOKU_BASE + 'lib/exe/ajax.php',
58                               $link[0].search.substr(1) + '&call=medians',
59                               show_sublist,
60                               'html'
61                           );
62                       },
63
64                       toggle_display: function ($clicky, opening) {
65                           $clicky.attr('src',
66                                        DOKU_BASE + 'lib/images/' +
67                                        (opening ? 'minus' : 'plus') + '.gif');
68                       }});
69        $tree.delegate('a', 'click', dw_mediamanager.list);
70
71        // Init view property
72        dw_mediamanager.set_fileview_list();
73
74        dw_mediamanager.init_options();
75
76        dw_mediamanager.image_diff();
77        dw_mediamanager.init_ajax_uploader();
78
79        // changing opened tab in the file list panel
80        var $page = jQuery('#mediamanager__page');
81        $page.find('div.filelist')
82            .delegate('ul.tabs a', 'click', dw_mediamanager.list)
83            // loading file details
84            .delegate('div.panelContent a', 'click', dw_mediamanager.details)
85            // search form
86            .delegate('#dw__mediasearch', 'submit', dw_mediamanager.list)
87            // "upload as" field autofill
88            .delegate('#upload__file', 'change', dw_mediamanager.suggest)
89            // uploaded images
90            .delegate('.qq-upload-file a', 'click', dw_mediamanager.details);
91
92        // changing opened tab in the file details panel
93        $page.find('div.file')
94            .delegate('ul.tabs a', 'click', dw_mediamanager.details)
95            // "update new version" button
96            .delegate('#mediamanager__btn_update', 'submit', dw_mediamanager.list)
97            // revisions form
98            .delegate('#page__revisions', 'submit', dw_mediamanager.details)
99            .delegate('#page__revisions a', 'click', dw_mediamanager.details)
100            // meta edit form
101            .delegate('#mediamanager__save_meta', 'submit', dw_mediamanager.details)
102            // delete button
103            .delegate('#mediamanager__btn_delete', 'submit', dw_mediamanager.details)
104            // "restore this version" button
105            .delegate('#mediamanager__btn_restore', 'submit', dw_mediamanager.details)
106            // less/more recent buttons in media revisions form
107            .delegate('.btn_newer, .btn_older', 'submit', dw_mediamanager.details);
108
109        dw_mediamanager.update_resizable();
110        dw_mediamanager.layout_width = $page.width();
111        jQuery(window).resize(dw_mediamanager.window_resize);
112    },
113
114    init_options: function () {
115        var $options = jQuery('div.filelist div.panelHeader form.options'),
116            $listType, $sortBy, $both;
117        if ($options.length === 0) {
118            return;
119        }
120
121        $listType = $options.find('li.listType');
122        $sortBy = $options.find('li.sortBy');
123        $both = $listType.add($sortBy);
124
125        // Remove the submit button
126        $options.find('button[type=submit]').parent().hide();
127
128        // Prepare HTML for jQuery UI buttonset
129        $both.find('label').each(function () {
130            var $this = jQuery(this);
131            $this.children('input').appendTo($this.parent());
132        });
133
134        // Init buttonset
135        $both.buttonset();
136
137        // Change handlers
138        $listType.children('input').change(function () {
139            dw_mediamanager.set_fileview_list();
140        });
141        $sortBy.children('input').change(function (event) {
142            dw_mediamanager.set_fileview_sort();
143            dw_mediamanager.list.call(jQuery('#dw__mediasearch')[0] || this, event);
144        });
145    },
146
147    /**
148     * build the popup window
149     *
150     * @author Dominik Eckelmann <eckelmann@cosmocode.de>
151     */
152    initpopup: function () {
153        var opts, $insp, $insbtn;
154
155        dw_mediamanager.$popup = jQuery(document.createElement('div'))
156                 .attr('id', 'media__popup_content')
157                 .dialog({autoOpen: false, width: 280, modal: true,
158                          draggable: true, title: LANG.mediatitle,
159                          resizable: false});
160
161        opts = [{id: 'link', label: LANG.mediatarget,
162                 btns: ['lnk', 'direct', 'nolnk', 'displaylnk']},
163                {id: 'align', label: LANG.mediaalign,
164                 btns: ['noalign', 'left', 'center', 'right']},
165                {id: 'size', label: LANG.mediasize,
166                 btns: ['small', 'medium', 'large', 'original']}
167               ];
168
169        jQuery.each(opts, function (_, opt) {
170            var $p, $l;
171            $p = jQuery(document.createElement('p'))
172                 .attr('id', 'media__' + opt.id);
173
174            if (dw_mediamanager.display === "2") {
175                $p.hide();
176            }
177
178            $l = jQuery(document.createElement('label'))
179                 .text(opt.label);
180            $p.append($l);
181
182            jQuery.each(opt.btns, function (i, text) {
183                var $btn, $img;
184                $btn = jQuery(document.createElement('button'))
185                       .addClass('button')
186                       .attr('id', "media__" + opt.id + "btn" + (i + 1))
187                       .attr('title', LANG['media' + text])
188                       .click(bind(dw_mediamanager.setOpt, opt.id));
189
190                $img = jQuery(document.createElement('img'))
191                       .attr('src', DOKU_BASE + 'lib/images/media_' +
192                                    opt.id + '_' + text + '.png');
193
194                $btn.append($img);
195                $p.append($btn);
196            });
197
198            dw_mediamanager.$popup.append($p);
199        });
200
201        // insert button
202        $insp = jQuery(document.createElement('p'));
203        dw_mediamanager.$popup.append($insp);
204
205        $insbtn = jQuery(document.createElement('input'))
206                  .attr('id', 'media__sendbtn')
207                  .attr('type', 'button')
208                  .addClass('button')
209                  .val(LANG.mediainsert);
210        $insp.append($insbtn);
211    },
212
213    /**
214     * Insert the clicked image into the opener's textarea
215     *
216     * @author Andreas Gohr <andi@splitbrain.org>
217     * @author Dominik Eckelmann <eckelmann@cosmocode.de>
218     * @author Pierre Spring <pierre.spring@caillou.ch>
219     */
220    insert: function (id) {
221        var opts, alignleft, alignright, edid, s;
222
223        // set syntax options
224        dw_mediamanager.$popup.dialog('close');
225
226        opts = '';
227        alignleft = '';
228        alignright = '';
229
230        if ({img: 1, swf: 1}[dw_mediamanager.ext] === 1) {
231
232            if (dw_mediamanager.link === '4') {
233                    opts = '?linkonly';
234            } else {
235
236                if (dw_mediamanager.link === "3" && dw_mediamanager.ext === 'img') {
237                    opts = '?nolink';
238                } else if (dw_mediamanager.link === "2" && dw_mediamanager.ext === 'img') {
239                    opts = '?direct';
240                }
241
242                s = parseInt(dw_mediamanager.size, 10);
243
244                if (s && s >= 1 && s < 4) {
245                    opts += (opts.length)?'&':'?';
246                    opts += dw_mediamanager.size + '00';
247                    if (dw_mediamanager.ext === 'swf') {
248                        switch (s) {
249                        case 1:
250                            opts += 'x62';
251                            break;
252                        case 2:
253                            opts += 'x123';
254                            break;
255                        case 3:
256                            opts += 'x185';
257                            break;
258                        }
259                    }
260                }
261                if (dw_mediamanager.align !== '1') {
262                    alignleft = dw_mediamanager.align === '2' ? '' : ' ';
263                    alignright = dw_mediamanager.align === '4' ? '' : ' ';
264                }
265            }
266        }
267        edid = String.prototype.match.call(document.location, /&edid=([^&]+)/);
268        opener.insertTags(edid ? edid[1] : 'wiki__text',
269                          '{{'+alignleft+id+opts+alignright+'|','}}','');
270
271        if(!dw_mediamanager.keepopen) {
272            window.close();
273        }
274        opener.focus();
275        return false;
276    },
277
278    /**
279     * Prefills the wikiname.
280     *
281     * @author Andreas Gohr <andi@splitbrain.org>
282     */
283    suggest: function(){
284        var $file, $name, text;
285
286        $file = jQuery(this);
287        $name = jQuery('#upload__name');
288
289        if ($name.val() != '') return;
290
291        if(!$file.length || !$name.length) {
292            return;
293        }
294
295        text = $file.val();
296        text = text.substr(text.lastIndexOf('/')+1);
297        text = text.substr(text.lastIndexOf('\\')+1);
298        $name.val(text);
299    },
300
301    /**
302     * list the content of a namespace using AJAX
303     *
304     * @author Andreas Gohr <andi@splitbrain.org>
305     * @author Pierre Spring <pierre.spring@caillou.ch>
306     */
307    list: function (event) {
308        var $link, $content, params;
309
310        if (event) {
311            event.preventDefault();
312        }
313
314        jQuery('div.success, div.info, div.error, div.notify').remove();
315
316        $link = jQuery(this);
317
318        //popup
319        $content = jQuery('#media__content');
320
321        if ($content.length === 0) {
322            //fullscreen media manager
323            $content = jQuery('div.filelist');
324
325            if ($link.hasClass('idx_dir')) {
326                //changing namespace
327                jQuery('div.file').empty();
328                jQuery('div.namespaces .selected').removeClass('selected');
329                $link.addClass('selected');
330            }
331        }
332
333        params = 'call=medialist&';
334
335        if ($link[0].search) {
336            params += $link[0].search.substr(1);
337        } else if ($link.is('form')) {
338            params += dw_mediamanager.form_params($link);
339        } else if ($link.closest('form').length > 0) {
340            params += dw_mediamanager.form_params($link.closest('form'));
341        }
342
343        // fetch the subtree
344        dw_mediamanager.update_content($content, params);
345    },
346
347     /**
348     * Returns form parameters
349     *
350     * @author Kate Arzamastseva <pshns@ukr.net>
351     */
352    form_params: function ($form) {
353        if (!$form.length) return;
354        var action = '';
355        var i = $form[0].action.indexOf('?');
356        if (i >= 0) action = $form[0].action.substr(i+1);
357        return action+'&'+$form.serialize();
358    },
359
360    set_fileview_list: function (new_type) {
361        dw_mediamanager.set_fileview_opt(['list', 'listType', function (new_type) {
362            jQuery('div.filelist div.panelContent ul')
363               .toggleClass('rows', new_type === 'rows')
364               .toggleClass('thumbs', new_type === 'thumbs');
365        }], new_type);
366
367        // FIXME: Move to onchange handler (opt[2])?
368        dw_mediamanager.resize();
369    },
370
371    set_fileview_sort: function (new_sort) {
372        dw_mediamanager.set_fileview_opt(['sort', 'sortBy', function (new_sort) {
373            // FIXME
374        }], new_sort);
375    },
376
377    set_fileview_opt: function (opt, new_val) {
378        if (typeof new_val === 'undefined') {
379            new_val = jQuery('form.options li.' + opt[1] + ' input')
380                        .filter(':checked').val();
381            // if new_val is still undefined (because form.options is not in active tab), set to most spacious option
382            if (typeof new_val === 'undefined') {
383                new_val = 'thumbs';
384            }
385        }
386
387        if (new_val !== dw_mediamanager.view_opts[opt[0]]) {
388            opt[2](new_val);
389
390            DokuCookie.setValue(opt[0], new_val);
391
392            dw_mediamanager.view_opts[opt[0]] = new_val;
393        }
394    },
395
396     /**
397     * Lists the content of the right column (image details) using AJAX
398     *
399     * @author Kate Arzamastseva <pshns@ukr.net>
400     */
401    details: function (event) {
402        var $link, $content, params, update_list;
403        $link = jQuery(this);
404        event.preventDefault();
405
406        jQuery('div.success, div.info, div.error, div.notify').remove();
407
408        if ($link[0].id == 'mediamanager__btn_delete' && !confirm(LANG.del_confirm)) {
409            return false;
410        }
411        if ($link[0].id == 'mediamanager__btn_restore' && !confirm(LANG.restore_confirm)) {
412            return false;
413        }
414
415        $content = jQuery('div.file');
416        params = 'call=mediadetails&';
417
418        if ($link[0].search) {
419            params += $link[0].search.substr(1);
420        } else if ($link.is('form')) {
421            params += dw_mediamanager.form_params($link);
422        } else if ($link.closest('form').length > 0) {
423            params += dw_mediamanager.form_params($link.closest('form'));
424        }
425
426        update_list = ($link[0].id == 'mediamanager__btn_delete' ||
427                       $link[0].id == 'mediamanager__btn_restore');
428
429        dw_mediamanager.update_content($content, params, update_list);
430    },
431
432    update_content: function ($content, params, update_list) {
433        var $container;
434
435        jQuery.post(
436            DOKU_BASE + 'lib/exe/ajax.php',
437            params,
438            function (data) {
439                dw_mediamanager.$resizables().resizable('destroy');
440
441                if (update_list) {
442                    dw_mediamanager.list.call(jQuery('#mediamanager__page').find('form.options button[type="submit"]')[0]);
443                }
444
445                $content.html(data);
446
447                dw_mediamanager.prepare_content($content);
448                dw_mediamanager.updatehide();
449
450                dw_mediamanager.update_resizable();
451                dw_behaviour.revisionBoxHandler();
452
453                // Make sure that the list view style stays the same
454                dw_mediamanager.set_fileview_list(dw_mediamanager.view_opts.list);
455
456                dw_mediamanager.image_diff();
457                dw_mediamanager.init_ajax_uploader();
458                dw_mediamanager.init_options();
459
460            },
461            'html'
462        );
463        $container = $content.find('div.panelContent');
464        if ($container.length === 0) {
465            $container = $content;
466        }
467        $container.html('<img src="' + DOKU_BASE + 'lib/images/loading.gif" alt="..." class="load" />');
468    },
469
470    window_resize: function () {
471        dw_mediamanager.resize();
472
473        dw_mediamanager.opacity_slider();
474        dw_mediamanager.portions_slider();
475    },
476
477    $resizables: function () {
478        return jQuery('#mediamanager__page').find('div.namespaces, div.filelist');
479    },
480
481    /**
482     * Updates mediamanager layout
483     *
484     * @author Kate Arzamastseva <pshns@ukr.net>
485     */
486    update_resizable: function () {
487        var $resizables = dw_mediamanager.$resizables();
488
489        $resizables.resizable({
490            handles: (jQuery('html[dir=rtl]') ? 'w' :'e'),
491            resize: function(event, ui){
492                var $page = jQuery('#mediamanager__page');
493                var widthFull = $page.width();
494                var widthResizables = 0;
495                $resizables.each(function() {
496                    widthResizables += jQuery(this).width();
497                });
498                var $filePanel = $page.find('div.panel.file');
499
500                // set max width of resizable column
501                var widthOtherResizable = widthResizables - jQuery(this).width();
502                var minWidthNonResizable = parseFloat($filePanel.css("min-width"));
503                var maxWidth = widthFull - (widthOtherResizable + minWidthNonResizable) - 1;
504                $resizables.resizable( "option", "maxWidth", maxWidth );
505
506                // width of file panel in % = 100% - width of resizables in %
507                // this calculates with 99.9 and not 100 to overcome rounding errors
508                var relWidthNonResizable = 99.9 - (100 * widthResizables / widthFull);
509                // set width of file panel
510                $filePanel.width(relWidthNonResizable+'%');
511
512                // FIXME: please fix without browser sniffing
513                if (!jQuery.browser.webkit) {
514                    $resizables.each(function() {
515                        var w = jQuery(this).width();
516                        w = (99.99 * w / widthFull);
517                        w += "%";
518                        jQuery(this).width(w);
519                    });
520                }
521
522                dw_mediamanager.resize();
523
524                dw_mediamanager.opacity_slider();
525                dw_mediamanager.portions_slider();
526            }
527        });
528
529        dw_mediamanager.resize();
530    },
531
532    resize: function () {
533        var $contents = jQuery('#mediamanager__page').find('div.panelContent'),
534            height = jQuery(window).height() - jQuery(document.body).height() +
535                      Math.max.apply(null, jQuery.map($contents, function (v) {
536            return jQuery(v).height();
537        }));
538
539        // If the screen is too small, don’t try to resize
540        if (height < dw_mediamanager.minHeights[dw_mediamanager.view_opts.list]) {
541            $contents.add(dw_mediamanager.$resizables()).height('auto');
542        } else {
543            $contents.height(height);
544            dw_mediamanager.$resizables().each(function () {
545                var $this = jQuery(this);
546                $this.height(height + $this.find('div.panelContent').offset().top -
547                             $this.offset().top);
548            });
549        }
550    },
551
552     /**
553     * Prints 'select' for image difference representation type
554     *
555     * @author Kate Arzamastseva <pshns@ukr.net>
556     */
557    image_diff: function () {
558        if (jQuery('#mediamanager__difftype').length) return;
559
560        var $form = jQuery('#mediamanager__form_diffview');
561        if (!$form.length) return;
562
563        var $label = jQuery(document.createElement('label'));
564        $label.append('<span>'+LANG.media_diff+'</span> ');
565        var $select = jQuery(document.createElement('select'))
566         .attr('id', 'mediamanager__difftype')
567         .attr('name', 'difftype')
568         .change(dw_mediamanager.change_diff_type);
569        $select.append(new Option(LANG.media_diff_both, "both"));
570        $select.append(new Option(LANG.media_diff_opacity, "opacity"));
571        $select.append(new Option(LANG.media_diff_portions, "portions"));
572        $label.append($select);
573        $form.append($label);
574
575        // for IE
576        var select = document.getElementById('mediamanager__difftype');
577        select.options[0].text = LANG.media_diff_both;
578        select.options[1].text = LANG.media_diff_opacity;
579        select.options[2].text = LANG.media_diff_portions;
580    },
581
582    /**
583     * Handles selection of image difference representation type
584     *
585     * @author Kate Arzamastseva <pshns@ukr.net>
586     */
587    change_diff_type: function () {
588        var $select = jQuery('#mediamanager__difftype');
589        var $content = jQuery('#mediamanager__diff');
590
591        var params = dw_mediamanager.form_params($select.closest('form'))+'&call=mediadiff';
592        jQuery.post(
593            DOKU_BASE + 'lib/exe/ajax.php',
594            params,
595            function (data) {
596                $content.html(data);
597                dw_mediamanager.portions_slider();
598                dw_mediamanager.opacity_slider();
599            },
600            'html'
601        );
602    },
603
604    /**
605     * Sets options for opacity diff slider
606     *
607     * @author Kate Arzamastseva <pshns@ukr.net>
608     */
609    opacity_slider: function () {
610        var $diff = jQuery("#mediamanager__diff");
611        var $slider = $diff.find("div.slider");
612        if (!$slider.length) return;
613
614        var $image = $diff.find('div.imageDiff.opacity div.image1 img');
615        if (!$image.length) return;
616        $slider.width($image.width()-20);
617
618        $slider.slider();
619        $slider.slider("option", "min", 0);
620        $slider.slider("option", "max", 0.999);
621        $slider.slider("option", "step", 0.001);
622        $slider.slider("option", "value", 0.5);
623        $slider.bind("slide", function(event, ui) {
624            jQuery('#mediamanager__diff').find('div.imageDiff.opacity div.image2 img').css({ opacity: $slider.slider("option", "value")});
625        });
626    },
627
628     /**
629     * Sets options for red line diff slider
630     *
631     * @author Kate Arzamastseva <pshns@ukr.net>
632     */
633    portions_slider: function () {
634        var $diff = jQuery("#mediamanager__diff");
635        if (!$diff.length) return;
636
637        var $image1 = $diff.find('div.imageDiff.portions div.image1 img');
638        var $image2 = $diff.find('div.imageDiff.portions div.image2 img');
639        if (!$image1.length || !$image2.length) return;
640
641        $diff.width('100%');
642        $image2.parent().width('97%');
643        $image1.width('100%');
644        $image2.width('100%');
645
646        if ($image1.width() < $diff.width()) {
647            $diff.width($image1.width());
648        }
649
650        $image2.parent().width('50%');
651        $image2.width($image1.width());
652        $image1.width($image1.width());
653
654        var $slider = $diff.find("div.slider");
655        if (!$slider.length) return;
656        $slider.width($image1.width()-20);
657
658        $slider.slider();
659        $slider.slider("option", "min", 0);
660        $slider.slider("option", "max", 97);
661        $slider.slider("option", "step", 1);
662        $slider.slider("option", "value", 50);
663        $slider.bind("slide", function(event, ui) {
664            jQuery('#mediamanager__diff').find('div.imageDiff.portions div.image2').css({ width: $slider.slider("option", "value")+'%'});
665        });
666    },
667
668    /**
669     * Parse a URI query string to an associative array
670     *
671     * @author Kate Arzamastseva <pshns@ukr.net>
672     */
673    params_toarray: function (str) {
674        var vars = [], hash;
675        var hashes = str.split('&');
676        for(var i = 0; i < hashes.length; i++) {
677            hash = hashes[i].split('=');
678            vars[decodeURIComponent(hash[0])] = decodeURIComponent(hash[1]);
679        }
680        return vars;
681    },
682
683    init_ajax_uploader: function () {
684        if (!jQuery('#mediamanager__uploader').length) return;
685        if (jQuery('.qq-upload-list').length) return;
686
687        var params = dw_mediamanager.form_params(jQuery('#dw__upload'))+'&call=mediaupload';
688        params = dw_mediamanager.params_toarray(params);
689
690        var uploader = new qq.FileUploaderExtended({
691            element: document.getElementById('mediamanager__uploader'),
692            action: DOKU_BASE + 'lib/exe/ajax.php',
693            params: params
694        });
695    },
696
697    prepare_content: function ($content) {
698        // hide syntax example
699        $content.find('div.example:visible').hide();
700    },
701
702    /**
703     * shows the popup for a image link
704     */
705    select: function(event){
706        var $link, id, dot, ext;
707
708        event.preventDefault();
709
710        $link = jQuery(this);
711        id = $link.attr('id').substr(2);
712
713        if(!opener){
714            // if we don't run in popup display example
715            // the id's are a bit wierd and jQuery('#ex_wiki_dokuwiki-128.png')
716            // will not be found by Sizzle (the CSS Selector Engine
717            // used by jQuery), hence the document.getElementById() call
718            jQuery(document.getElementById('ex_'+id.replace(/:/g,'_').replace(/^_/,''))).dw_toggle();
719            return;
720        }
721
722        dw_mediamanager.ext = false;
723        dot = id.lastIndexOf(".");
724
725        if (-1 === dot) {
726            dw_mediamanager.insert(id);
727            return;
728        }
729
730        ext = id.substr(dot);
731
732        if ({'.jpg':1, '.jpeg':1, '.png':1, '.gif':1, '.swf':1}[ext] !== 1) {
733            dw_mediamanager.insert(id);
734            return;
735        }
736
737        // remove old callback from the insert button and set the new one.
738        var $sendbtn = jQuery('#media__sendbtn');
739        $sendbtn.unbind().click(bind(dw_mediamanager.insert, id));
740
741        dw_mediamanager.unforbid('ext');
742        if (ext === '.swf') {
743            dw_mediamanager.ext = 'swf';
744            dw_mediamanager.forbid('ext', {link: ['1', '2'],
745                                           size: ['4']});
746        } else {
747            dw_mediamanager.ext = 'img';
748        }
749
750        // Set to defaults
751        dw_mediamanager.setOpt('link');
752        dw_mediamanager.setOpt('align');
753        dw_mediamanager.setOpt('size');
754
755        // toggle buttons for detail and linked image, original size
756        jQuery('#media__linkbtn1, #media__linkbtn2, #media__sizebtn4')
757            .toggle(dw_mediamanager.ext === 'img');
758
759        dw_mediamanager.$popup.dialog('open');
760
761        $sendbtn.focus();
762    },
763
764    /**
765     * Deletion confirmation dialog to the delete buttons.
766     *
767     * @author Michael Klier <chi@chimeric.de>
768     * @author Pierre Spring <pierre.spring@caillou.ch>
769     */
770    confirmattach: function(e){
771        if(!confirm(LANG.del_confirm + "\n" + jQuery(this).attr('title'))) {
772            e.preventDefault();
773        }
774    },
775
776    /**
777     * Creates checkboxes for additional options
778     *
779     * @author Andreas Gohr <andi@splitbrain.org>
780     * @author Pierre Spring <pierre.spring@caillou.ch>
781     */
782    attachoptions: function(){
783        var $obj, opts;
784
785        $obj = jQuery('#media__opts');
786        if($obj.length === 0) {
787            return;
788        }
789
790        opts = [];
791        // keep open
792        if(opener){
793            opts.push(['keepopen', 'keepopen']);
794        }
795        opts.push(['hide', 'hidedetails']);
796
797        jQuery.each(opts,
798                    function(_, opt) {
799                        var $box, $lbl;
800                        $box = jQuery(document.createElement('input'))
801                                 .attr('type', 'checkbox')
802                                 .attr('id', 'media__' + opt[0])
803                                 .click(bind(dw_mediamanager.toggleOption,
804                                             opt[0]));
805
806                        if(DokuCookie.getValue(opt[0])){
807                            $box.prop('checked', true);
808                            dw_mediamanager[opt[0]] = true;
809                        }
810
811                        $lbl = jQuery(document.createElement('label'))
812                                 .attr('for', 'media__' + opt[0])
813                                 .text(LANG[opt[1]]);
814
815                        $obj.append($box, $lbl, document.createElement('br'));
816                    });
817
818        dw_mediamanager.updatehide();
819    },
820
821    /**
822     * Generalized toggler
823     *
824     * @author Pierre Spring <pierre.spring@caillou.ch>
825     */
826    toggleOption: function (variable) {
827        if (jQuery(this).prop('checked')) {
828            DokuCookie.setValue(variable, 1);
829            dw_mediamanager[variable] = true;
830        } else {
831            DokuCookie.setValue(variable, '');
832            dw_mediamanager[variable] = false;
833        }
834        if (variable === 'hide') {
835            dw_mediamanager.updatehide();
836        }
837    },
838
839    /**
840     * Sets the visibility of the image details accordingly to the
841     * chosen hide state
842     *
843     * @author Andreas Gohr <andi@splitbrain.org>
844     */
845    updatehide: function(){
846        jQuery('#media__content').find('div.detail').dw_toggle(!dw_mediamanager.hide);
847    },
848
849    /**
850     * set media insertion option
851     *
852     * @author Dominik Eckelmann <eckelmann@cosmocode.de>
853     */
854    setOpt: function(opt, e){
855        var val, i;
856        if (typeof e !== 'undefined') {
857            val = this.id.substring(this.id.length - 1);
858        } else {
859            val = dw_mediamanager.getOpt(opt);
860        }
861
862        if (val === false) {
863            DokuCookie.setValue(opt,'');
864            dw_mediamanager[opt] = false;
865            return;
866        }
867
868        if (opt === 'link') {
869            if (val !== '4' && dw_mediamanager.link === '4') {
870                dw_mediamanager.unforbid('linkonly');
871                dw_mediamanager.setOpt('align');
872                dw_mediamanager.setOpt('size');
873            } else if (val === '4') {
874                dw_mediamanager.forbid('linkonly', {align: false, size: false});
875            }
876
877            jQuery("#media__size, #media__align").dw_toggle(val !== '4');
878        }
879
880        DokuCookie.setValue(opt, val);
881        dw_mediamanager[opt] = val;
882
883        for (i = 1; i <= 4; i++) {
884            jQuery("#media__" + opt + "btn" + i).removeClass('selected');
885        }
886        jQuery('#media__' + opt + 'btn' + val).addClass('selected');
887    },
888
889    unforbid: function (group) {
890        delete dw_mediamanager.forbidden_opts[group];
891    },
892
893    forbid: function (group, forbids) {
894        dw_mediamanager.forbidden_opts[group] = forbids;
895    },
896
897    allowedOpt: function (opt, val) {
898        var ret = true;
899        jQuery.each(dw_mediamanager.forbidden_opts,
900                    function (_, forbids) {
901                        ret = forbids[opt] !== false &&
902                              jQuery.inArray(val, forbids[opt]) === -1;
903                        return ret;
904                    });
905        return ret;
906    },
907
908    getOpt: function (opt) {
909        var allowed = bind(dw_mediamanager.allowedOpt, opt);
910
911        // Current value
912        if (dw_mediamanager[opt] !== false && allowed(dw_mediamanager[opt])) {
913            return dw_mediamanager[opt];
914        }
915
916        // From cookie
917        if (DokuCookie.getValue(opt) && allowed(DokuCookie.getValue(opt))) {
918            return DokuCookie.getValue(opt);
919        }
920
921        // size default
922        if (opt === 'size' && allowed('2')) {
923            return '2';
924        }
925
926        // Whatever is allowed, and be it false
927        return jQuery.grep(['1', '2', '3', '4'], allowed)[0] || false;
928    }
929};
930
931jQuery(dw_mediamanager.init);
932