summaryrefslogtreecommitdiff
path: root/lib/scripts/script.js
blob: a6951c4ceaf5e9f1f9c7116ce4448e1875f0d52a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
// if jQuery was loaded, let's make it noConflict here.
if ('function' === typeof jQuery && 'function' === typeof jQuery.noConflict) {
    jQuery.noConflict();
}

/**
 * Mark a JavaScript function as deprecated
 *
 * This will print a warning to the JavaScript console (if available) in
 * Firebug and Chrome and a stack trace (if available) to easily locate the
 * problematic function call.
 *
 * @param msg optional message to print
 */
function DEPRECATED(msg){
    if(!window.console) return;
    if(!msg) msg = '';

    var func;
    if(arguments.callee) func = arguments.callee.caller.name;
    if(func) func = ' '+func+'()';
    var line = 'DEPRECATED function call'+func+'. '+msg;

    if(console.warn){
        console.warn(line);
    }else{
        console.log(line);
    }

    if(console.trace) console.trace();
}

/**
 * Construct a wrapper function for deprecated function names
 *
 * This function returns a wrapper function which just calls DEPRECATED
 * and the new function.
 *
 * @param func    The new function
 * @param context Optional; The context (`this`) of the call
 */
function DEPRECATED_WRAP(func, context) {
    return function () {
        DEPRECATED();
        return func.apply(context || this, arguments);
    }
}

/**
 * Some of these scripts were taken from wikipedia.org and were modified for DokuWiki
 */

/**
 * Some browser detection
 */
var clientPC  = navigator.userAgent.toLowerCase(); // Get client info
var is_macos  = navigator.appVersion.indexOf('Mac') != -1;
var is_gecko  = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1) &&
                (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1));
var is_safari = ((clientPC.indexOf('applewebkit')!=-1) && (clientPC.indexOf('spoofer')==-1));
var is_khtml  = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled ));
if (clientPC.indexOf('opera')!=-1) {
    var is_opera = true;
    var is_opera_preseven = (window.opera && !document.childNodes);
    var is_opera_seven = (window.opera && document.childNodes);
}

/**
 * Handy shortcut to document.getElementById
 *
 * This function was taken from the prototype library
 *
 * @link http://prototype.conio.net/
 */
function $() {
  DEPRECATED('Please use the JQuery() function instead.');

  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1)
      return element;

    elements.push(element);
  }

  return elements;
}

/**
 * Simple function to check if a global var is defined
 *
 * @author Kae Verens
 * @link http://verens.com/archives/2005/07/25/isset-for-javascript/#comment-2835
 */
function isset(varname){
  return(typeof(window[varname])!='undefined');
}

/**
 * Get the computed style of a node.
 *
 * @link https://acidmartin.wordpress.com/2008/08/26/style-get-any-css-property-value-of-an-object/
 * @link http://svn.dojotoolkit.org/src/dojo/trunk/_base/html.js
 */
function gcs(node){
    if(node.currentStyle){
        return node.currentStyle;
    }else{
        return node.ownerDocument.defaultView.getComputedStyle(node, null);
    }
}

/**
 * Escape special chars in JavaScript
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
function jsEscape(text){
    var re=new RegExp("\\\\","g");
    text=text.replace(re,"\\\\");
    re=new RegExp("'","g");
    text=text.replace(re,"\\'");
    re=new RegExp('"',"g");
    text=text.replace(re,'&quot;');
    re=new RegExp("\\\\\\\\n","g");
    text=text.replace(re,"\\n");
    return text;
}

/**
 * This function escapes some special chars
 * @deprecated by above function
 */
function escapeQuotes(text) {
  var re=new RegExp("'","g");
  text=text.replace(re,"\\'");
  re=new RegExp('"',"g");
  text=text.replace(re,'&quot;');
  re=new RegExp("\\n","g");
  text=text.replace(re,"\\n");
  return text;
}

/**
 * Adds a node as the first childenode to the given parent
 *
 * @see appendChild()
 */
function prependChild(parent,element) {
    if(!parent.firstChild){
        parent.appendChild(element);
    }else{
        parent.insertBefore(element,parent.firstChild);
    }
}

/**
 * Prints a animated gif to show the search is performed
 *
 * Because we need to modify the DOM here before the document is loaded
 * and parsed completely we have to rely on document.write()
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
function showLoadBar(){

  document.write('<img src="'+DOKU_BASE+'lib/images/loading.gif" '+
                 'width="150" height="12" alt="..." />');

  /* this does not work reliable in IE
  obj = $(id);

  if(obj){
    obj.innerHTML = '<img src="'+DOKU_BASE+'lib/images/loading.gif" '+
                    'width="150" height="12" alt="..." />';
    obj.style.display="block";
  }
  */
}

/**
 * Disables the animated gif to show the search is done
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
function hideLoadBar(id){
  obj = $(id);
  if(obj) obj.style.display="none";
}

/**
 * Adds the toggle switch to the TOC
 */
function addTocToggle() {
    if(!document.getElementById) return;
    var header = $('toc__header');
    if(!header) return;
    var toc = $('toc__inside');

    var obj          = document.createElement('span');
    obj.id           = 'toc__toggle';
    obj.style.cursor = 'pointer';
    if (toc && toc.style.display == 'none') {
        obj.innerHTML    = '<span>+</span>';
        obj.className    = 'toc_open';
    } else {
        obj.innerHTML    = '<span>&minus;</span>';
        obj.className    = 'toc_close';
    }

    prependChild(header,obj);
    obj.parentNode.onclick = toggleToc;
    obj.parentNode.style.cursor = 'pointer';
}

/**
 * This toggles the visibility of the Table of Contents
 */
function toggleToc() {
  var toc = $('toc__inside');
  var obj = $('toc__toggle');
  if(toc.style.display == 'none') {
    toc.style.display   = '';
    obj.innerHTML       = '<span>&minus;</span>';
    obj.className       = 'toc_close';
  } else {
    toc.style.display   = 'none';
    obj.innerHTML       = '<span>+</span>';
    obj.className       = 'toc_open';
  }
}

/**
 * Create JavaScript mouseover popup
 */
function insitu_popup(target, popup_id) {

    // get or create the popup div
    var fndiv = $(popup_id);
    if(!fndiv){
        fndiv = document.createElement('div');
        fndiv.id        = popup_id;
        fndiv.className = 'insitu-footnote JSpopup dokuwiki';

        // autoclose on mouseout - ignoring bubbled up events
        addEvent(fndiv,'mouseout',function(e){
            var p = e.relatedTarget || e.toElement;
            while (p && p !== this) {
                p = p.parentNode;
            }
            if (p === this) {
                return;
            }
            // okay, hide it
            this.style.display='none';
        });
        getElementsByClass('dokuwiki', document.body, 'div')[0].appendChild(fndiv);
    }

    var non_static_parent = fndiv.parentNode;
    while (non_static_parent != document && gcs(non_static_parent)['position'] == 'static') {
        non_static_parent = non_static_parent.parentNode;
    }

    var fixed_target_parent = target;
    while (fixed_target_parent != document && gcs(fixed_target_parent)['position'] != 'fixed') {
        fixed_target_parent = fixed_target_parent.parentNode;
    }

    // position the div and make it visible
    if (fixed_target_parent != document) {
        // the target has position fixed, that means the footnote needs to be fixed, too
        fndiv.style.position = 'fixed';
    } else {
        fndiv.style.position = 'absolute';
    }

    if (fixed_target_parent != document || non_static_parent == document) {
        fndiv.style.left = findPosX(target)+'px';
        fndiv.style.top  = (findPosY(target)+target.offsetHeight * 1.5) + 'px';
    } else {
        fndiv.style.left = (findPosX(target) - findPosX(non_static_parent)) +'px';
        fndiv.style.top  = (findPosY(target)+target.offsetHeight * 1.5 - findPosY(non_static_parent)) + 'px';
    }

    fndiv.style.display = '';
    return fndiv;
}

/**
 * Display an insitu footnote popup
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @author Chris Smith <chris@jalakai.co.uk>
 */
function footnote(e){
    var fndiv = insitu_popup(e.target, 'insitu__fn');

    // locate the footnote anchor element
    var a = $("fn__" + e.target.id.substr(5));
    if (!a){ return; }

    // anchor parent is the footnote container, get its innerHTML
    var content = new String (a.parentNode.parentNode.innerHTML);

    // strip the leading content anchors and their comma separators
    content = content.replace(/<sup>.*<\/sup>/gi, '');
    content = content.replace(/^\s+(,\s+)+/,'');

    // prefix ids on any elements with "insitu__" to ensure they remain unique
    content = content.replace(/\bid=(['"])([^"']+)\1/gi,'id="insitu__$2');

    // now put the content into the wrapper
    fndiv.innerHTML = content;
}

/**
 * Add the event handlers to footnotes
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
addInitEvent(function(){
    var elems = getElementsByClass('fn_top',null,'a');
    for(var i=0; i<elems.length; i++){
        addEvent(elems[i],'mouseover',function(e){footnote(e);});
    }
});


/**
 * Handler to close all open Popups
 */
function closePopups(){
  if(!document.getElementById){ return; }

  var divs = document.getElementsByTagName('div');
  for(var i=0; i < divs.length; i++){
    if(divs[i].className.indexOf('JSpopup') != -1){
            divs[i].style.display = 'none';
    }
  }
}

/**
 * disable multiple revisions checkboxes if two are checked
 *
 * @author Anika Henke <anika@selfthinker.org>
 */
addInitEvent(function(){
    var revForm = $('page__revisions');
    if (!revForm) return;
    var elems = revForm.elements;
    var countTicks = 0;
    for (var i=0; i<elems.length; i++) {
        var input1 = elems[i];
        if (input1.type=='checkbox') {
            addEvent(input1,'click',function(e){
                if (this.checked) countTicks++;
                else countTicks--;
                for (var j=0; j<elems.length; j++) {
                    var input2 = elems[j];
                    if (countTicks >= 2) input2.disabled = (input2.type=='checkbox' && !input2.checked);
                    else input2.disabled = (input2.type!='checkbox');
                }
            });
            input1.checked = false; // chrome reselects on back button which messes up the logic
        } else if(input1.type=='submit'){
            input1.disabled = true;
        }
    }
});


/**
 * Highlight the section when hovering over the appropriate section edit button
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
addInitEvent(function(){
    var btns = getElementsByClass('btn_secedit',document,'form');
    for(var i=0; i<btns.length; i++){
        addEvent(btns[i],'mouseover',function(e){
            var tgt = this.parentNode;
            var nr = tgt.className.match(/(\s+|^)editbutton_(\d+)(\s+|$)/)[2];
            do {
                tgt = tgt.previousSibling;
            } while (tgt !== null && typeof tgt.tagName === 'undefined');
            if (tgt === null) return;
            while(typeof tgt.className === 'undefined' ||
                  tgt.className.match('(\\s+|^)sectionedit' + nr + '(\\s+|$)') === null) {
                if (typeof tgt.className !== 'undefined') {
                    tgt.className += ' section_highlight';
                }
                tgt = (tgt.previousSibling !== null) ? tgt.previousSibling : tgt.parentNode;
            }
            if (typeof tgt.className !== 'undefined') tgt.className += ' section_highlight';
        });

        addEvent(btns[i],'mouseout',function(e){
            var secs = getElementsByClass('section_highlight');
            for(var j=0; j<secs.length; j++){
                secs[j].className = secs[j].className.replace(/section_highlight/g,'');
            }
        });
    }
});