https://avahi.org/doxygen/html/navtree.js

1var navTreeSubIndices = new Array();
2var arrowDown = '▼';
3var arrowRight = '►';
4
5function getData(varName)
6{
7  var i = varName.lastIndexOf('/');
8  var n = i>=0 ? varName.substring(i+1) : varName;
9  return eval(n.replace(/\-/g,'_'));
10}
11
12function stripPath(uri)
13{
14  return uri.substring(uri.lastIndexOf('/')+1);
15}
16
17function stripPath2(uri)
18{
19  var i = uri.lastIndexOf('/');
20  var s = uri.substring(i+1);
21  var m = uri.substring(0,i+1).match(/\/d\w\/d\w\w\/$/);
22  return m ? uri.substring(i-6) : s;
23}
24
25function hashValue()
26{
27  return $(location).attr('hash').substring(1).replace(/[^\w\-]/g,'');
28}
29
30function hashUrl()
31{
32  return '#'+hashValue();
33}
34
35function pathName()
36{
37  return $(location).attr('pathname').replace(/[^-A-Za-z0-9+&@#/%?=~_|!:,.;\(\)]/g, '');
38}
39
40function localStorageSupported()
41{
42  try {
43    return 'localStorage' in window && window['localStorage'] !== null && window.localStorage.getItem;
44  }
45  catch(e) {
46    return false;
47  }
48}
49
50
51function storeLink(link)
52{
53  if (!$("#nav-sync").hasClass('sync') && localStorageSupported()) {
54      window.localStorage.setItem('navpath',link);
55  }
56}
57
58function deleteLink()
59{
60  if (localStorageSupported()) {
61    window.localStorage.setItem('navpath','');
62  }
63}
64
65function cachedLink()
66{
67  if (localStorageSupported()) {
68    return window.localStorage.getItem('navpath');
69  } else {
70    return '';
71  }
72}
73
74function getScript(scriptName,func,show)
75{
76  var head = document.getElementsByTagName("head")[0];
77  var script = document.createElement('script');
78  script.id = scriptName;
79  script.type = 'text/javascript';
80  script.onload = func;
81  script.src = scriptName+'.js';
82  if ($.browser.msie && $.browser.version<=8) {
83    // script.onload does not work with older versions of IE
84    script.onreadystatechange = function() {
85      if (script.readyState=='complete' || script.readyState=='loaded') {
86        func(); if (show) showRoot();
87      }
88    }
89  }
90  head.appendChild(script); 
91}
92
93function createIndent(o,domNode,node,level)
94{
95  var level=-1;
96  var n = node;
97  while (n.parentNode) { level++; n=n.parentNode; }
98  if (node.childrenData) {
99    var imgNode = document.createElement("span");
100    imgNode.className = 'arrow';
101    imgNode.style.paddingLeft=(16*level).toString()+'px';
102    imgNode.innerHTML=arrowRight;
103    node.plus_img = imgNode;
104    node.expandToggle = document.createElement("a");
105    node.expandToggle.href = "javascript:void(0)";
106    node.expandToggle.onclick = function() {
107      if (node.expanded) {
108        $(node.getChildrenUL()).slideUp("fast");
109        node.plus_img.innerHTML=arrowRight;
110        node.expanded = false;
111      } else {
112        expandNode(o, node, false, false);
113      }
114    }
115    node.expandToggle.appendChild(imgNode);
116    domNode.appendChild(node.expandToggle);
117  } else {
118    var span = document.createElement("span");
119    span.className = 'arrow';
120    span.style.width   = 16*(level+1)+'px';
121    span.innerHTML = '&#160;';
122    domNode.appendChild(span);
123  }
124}
125
126var animationInProgress = false;
127
128function gotoAnchor(anchor,aname,updateLocation)
129{
130  var pos, docContent = $('#doc-content');
131  var ancParent = $(anchor.parent());
132  if (ancParent.hasClass('memItemLeft') ||
133      ancParent.hasClass('fieldname') ||
134      ancParent.hasClass('fieldtype') ||
135      ancParent.is(':header'))
136  {
137    pos = ancParent.position().top;
138  } else if (anchor.position()) {
139    pos = anchor.position().top;
140  }
141  if (pos) {
142    var dist = Math.abs(Math.min(
143               pos-docContent.offset().top,
144               docContent[0].scrollHeight-
145               docContent.height()-docContent.scrollTop()));
146    animationInProgress=true;
147    docContent.animate({
148      scrollTop: pos + docContent.scrollTop() - docContent.offset().top
149    },Math.max(50,Math.min(500,dist)),function(){
150      if (updateLocation) window.location.href=aname;
151      animationInProgress=false;
152    });
153  }
154}
155
156function newNode(o, po, text, link, childrenData, lastNode)
157{
158  var node = new Object();
159  node.children = Array();
160  node.childrenData = childrenData;
161  node.depth = po.depth + 1;
162  node.relpath = po.relpath;
163  node.isLast = lastNode;
164
165  node.li = document.createElement("li");
166  po.getChildrenUL().appendChild(node.li);
167  node.parentNode = po;
168
169  node.itemDiv = document.createElement("div");
170  node.itemDiv.className = "item";
171
172  node.labelSpan = document.createElement("span");
173  node.labelSpan.className = "label";
174
175  createIndent(o,node.itemDiv,node,0);
176  node.itemDiv.appendChild(node.labelSpan);
177  node.li.appendChild(node.itemDiv);
178
179  var a = document.createElement("a");
180  node.labelSpan.appendChild(a);
181  node.label = document.createTextNode(text);
182  node.expanded = false;

183  a.appendChild(node.label);
184  if (link) {
185    var url;
186    if (link.substring(0,1)=='^') {
187      url = link.substring(1);
188      link = url;
189    } else {
190      url = node.relpath+link;
191    }
192    a.className = stripPath(link.replace('#',':'));
193    if (link.indexOf('#')!=-1) {
194      var aname = '#'+link.split('#')[1];
195      var srcPage = stripPath(pathName());
196      var targetPage = stripPath(link.split('#')[0]);
197      a.href = srcPage!=targetPage ? url : "javascript:void(0)";
198      a.onclick = function(){
199        storeLink(link);
200        if (!$(a).parent().parent().hasClass('selected'))
201        {
202          $('.item').removeClass('selected');
203          $('.item').removeAttr('id');
204          $(a).parent().parent().addClass('selected');
205          $(a).parent().parent().attr('id','selected');
206        }
207        var anchor = $(aname);
208        gotoAnchor(anchor,aname,true);
209      };
210    } else {
211      a.href = url;
212      a.onclick = function() { storeLink(link); }
213    }
214  } else {
215    if (childrenData != null)
216    {
217      a.className = "nolink";
218      a.href = "javascript:void(0)";
219      a.onclick = node.expandToggle.onclick;
220    }
221  }
222
223  node.childrenUL = null;
224  node.getChildrenUL = function() {
225    if (!node.childrenUL) {
226      node.childrenUL = document.createElement("ul");
227      node.childrenUL.className = "children_ul";
228      node.childrenUL.style.display = "none";
229      node.li.appendChild(node.childrenUL);
230    }
231    return node.childrenUL;
232  };
233
234  return node;
235}
236
237function showRoot()
238{
239  var headerHeight = $("#top").height();
240  var footerHeight = $("#nav-path").height();
241  var windowHeight = $(window).height() - headerHeight - footerHeight;
242  (function (){ // retry until we can scroll to the selected item
243    try {
244      var navtree=$('#nav-tree');
245      navtree.scrollTo('#selected',0,{offset:-windowHeight/2});
246    } catch (err) {
247      setTimeout(arguments.callee, 0);
248    }
249  })();
250}
251
252function expandNode(o, node, imm, showRoot)
253{
254  if (node.childrenData && !node.expanded) {
255    if (typeof(node.childrenData)==='string') {
256      var varName    = node.childrenData;
257      getScript(node.relpath+varName,function(){
258        node.childrenData = getData(varName);
259        expandNode(o, node, imm, showRoot);
260      }, showRoot);
261    } else {
262      if (!node.childrenVisited) {
263        getNode(o, node);
264      } if (imm || ($.browser.msie && $.browser.version>8)) {
265        // somehow slideDown jumps to the start of tree for IE9 :-(
266        $(node.getChildrenUL()).show();
267      } else {
268        $(node.getChildrenUL()).slideDown("fast");
269      }
270      node.plus_img.innerHTML = arrowDown;
271      node.expanded = true;
272    }
273  }
274}
275
276function glowEffect(n,duration)
277{
278  n.addClass('glow').delay(duration).queue(function(next){
279    $(this).removeClass('glow');next();
280  });
281}
282
283function highlightAnchor()
284{
285  var aname = hashUrl();
286  var anchor = $(aname);
287  if (anchor.parent().attr('class')=='memItemLeft'){
288    var rows = $('.memberdecls tr[class$="'+hashValue()+'"]');
289    glowEffect(rows.children(),300); // member without details
290  } else if (anchor.parent().attr('class')=='fieldname'){
291    glowEffect(anchor.parent().parent(),1000); // enum value
292  } else if (anchor.parent().attr('class')=='fieldtype'){
293    glowEffect(anchor.parent().parent(),1000); // struct field
294  } else if (anchor.parent().is(":header")) {
295    glowEffect(anchor.parent(),1000); // section header
296  } else {
297    glowEffect(anchor.next(),1000); // normal member
298  }
299  gotoAnchor(anchor,aname,false);
300}
301
302function selectAndHighlight(hash,n)
303{
304  var a;
305  if (hash) {
306    var link=stripPath(pathName())+':'+hash.substring(1);
307    a=$('.item a[class$="'+link+'"]');
308  }
309  if (a && a.length) {
310    a.parent().parent().addClass('selected');
311    a.parent().parent().attr('id','selected');
312    highlightAnchor();
313  } else if (n) {
314    $(n.itemDiv).addClass('selected');
315    $(n.itemDiv).attr('id','selected');
316  }
317  if ($('#nav-tree-contents .item:first').hasClass('selected')) {
318    $('#nav-sync').css('top','30px');
319  } else {
320    $('#nav-sync').css('top','5px');
321  }
322  showRoot();
323}
324
325function showNode(o, node, index, hash)
326{
327  if (node && node.childrenData) {
328    if (typeof(node.childrenData)==='string') {
329      var varName    = node.childrenData;
330      getScript(node.relpath+varName,function(){
331        node.childrenData = getData(varName);
332        showNode(o,node,index,hash);
333      },true);
334    } else {
335      if (!node.childrenVisited) {
336        getNode(o, node);
337      }
338      $(node.getChildrenUL()).css({'display':'block'});
339      node.plus_img.innerHTML = arrowDown;
340      node.expanded = true;
341      var n = node.children[o.breadcrumbs[index]];
342      if (index+1<o.breadcrumbs.length) {
343        showNode(o,n,index+1,hash);
344      } else {
345        if (typeof(n.childrenData)==='string') {
346          var varName = n.childrenData;
347          getScript(n.relpath+varName,function(){
348            n.childrenData = getData(varName);
349            node.expanded=false;
350            showNode(o,node,index,hash); // retry with child node expanded
351          },true);
352        } else {
353          var rootBase = stripPath(o.toroot.replace(/\..+$/, ''));
354          if (rootBase=="index" || rootBase=="pages" || rootBase=="search") {
355            expandNode(o, n, true, true);
356          }
357          selectAndHighlight(hash,n);
358        }
359      }
360    }
361  } else {
362    selectAndHighlight(hash);
363  }
364}
365
366function removeToInsertLater(element) {
367  var parentNode = element.parentNode;
368  var nextSibling = element.nextSibling;
369  parentNode.removeChild(element);
370  return function() {
371    if (nextSibling) {
372      parentNode.insertBefore(element, nextSibling);
373    } else {
374      parentNode.appendChild(element);
375    }
376  };
377}
378
379function getNode(o, po)
380{
381  var insertFunction = removeToInsertLater(po.li);
382  po.childrenVisited = true;
383  var l = po.childrenData.length-1;
384  for (var i in po.childrenData) {
385    var nodeData = po.childrenData[i];
386    po.children[i] = newNode(o, po, nodeData[0], nodeData[1], nodeData[2],
387      i==l);
388  }
389  insertFunction();
390}
391
392function gotoNode(o,subIndex,root,hash,relpath)
393{
394  var nti = navTreeSubIndices[subIndex][root+hash];
395  o.breadcrumbs = $.extend(true, [], nti ? nti : navTreeSubIndices[subIndex][root]);
396  if (!o.breadcrumbs && root!=NAVTREE[0][1]) { // fallback: show index
397    navTo(o,NAVTREE[0][1],"",relpath);
398    $('.item').removeClass('selected');
399    $('.item').removeAttr('id');
400  }
401  if (o.breadcrumbs) {
402    o.breadcrumbs.unshift(0); // add 0 for root node
403    showNode(o, o.node, 0, hash);
404  }
405}
406
407function navTo(o,root,hash,relpath)
408{
409  var link = cachedLink();
410  if (link) {
411    var parts = link.split('#');
412    root = parts[0];
413    if (parts.length>1) hash = '#'+parts[1].replace(/[^\w\-]/g,'');
414    else hash='';
415  }
416  if (hash.match(/^#l\d+$/)) {
417    var anchor=$('a[name='+hash.substring(1)+']');
418    glowEffect(anchor.parent(),1000); // line number
419    hash='';

419 // strip line number anchors
420  }
421  var url=root+hash;
422  var i=-1;
423  while (NAVTREEINDEX[i+1]<=url) i++;
424  if (i==-1) { i=0; root=NAVTREE[0][1]; } // fallback: show index
425  if (navTreeSubIndices[i]) {
426    gotoNode(o,i,root,hash,relpath)
427  } else {
428    getScript(relpath+'navtreeindex'+i,function(){
429      navTreeSubIndices[i] = eval('NAVTREEINDEX'+i);
430      if (navTreeSubIndices[i]) {
431        gotoNode(o,i,root,hash,relpath);
432      }
433    },true);
434  }
435}
436
437function showSyncOff(n,relpath)
438{
439    n.html('<img src="'+relpath+'sync_off.png" title="'+SYNCOFFMSG+'"/>');
440}
441
442function showSyncOn(n,relpath)
443{
444    n.html('<img src="'+relpath+'sync_on.png" title="'+SYNCONMSG+'"/>');
445}
446
447function toggleSyncButton(relpath)
448{
449  var navSync = $('#nav-sync');
450  if (navSync.hasClass('sync')) {
451    navSync.removeClass('sync');
452    showSyncOff(navSync,relpath);
453    storeLink(stripPath2(pathName())+hashUrl());
454  } else {
455    navSync.addClass('sync');
456    showSyncOn(navSync,relpath);
457    deleteLink();
458  }
459}
460
461function initNavTree(toroot,relpath)
462{
463  var o = new Object();
464  o.toroot = toroot;
465  o.node = new Object();
466  o.node.li = document.getElementById("nav-tree-contents");
467  o.node.childrenData = NAVTREE;
468  o.node.children = new Array();
469  o.node.childrenUL = document.createElement("ul");
470  o.node.getChildrenUL = function() { return o.node.childrenUL; };
471  o.node.li.appendChild(o.node.childrenUL);
472  o.node.depth = 0;
473  o.node.relpath = relpath;
474  o.node.expanded = false;
475  o.node.isLast = true;
476  o.node.plus_img = document.createElement("span");
477  o.node.plus_img.className = 'arrow';
478  o.node.plus_img.innerHTML = arrowRight;
479
480  if (localStorageSupported()) {
481    var navSync = $('#nav-sync');
482    if (cachedLink()) {
483      showSyncOff(navSync,relpath);
484      navSync.removeClass('sync');
485    } else {
486      showSyncOn(navSync,relpath);
487    }
488    navSync.click(function(){ toggleSyncButton(relpath); });
489  }
490
491  $(window).load(function(){
492    navTo(o,toroot,hashUrl(),relpath);
493    showRoot();
494  });
495
496  $(window).bind('hashchange', function(){
497     if (window.location.hash && window.location.hash.length>1){
498       var a;
499       if ($(location).attr('hash')){
500         var clslink=stripPath(pathName())+':'+hashValue();
501         a=$('.item a[class$="'+clslink.replace(/</g,'\\3c ')+'"]');
502       }
503       if (a==null || !$(a).parent().parent().hasClass('selected')){
504         $('.item').removeClass('selected');
505         $('.item').removeAttr('id');
506       }
507       var link=stripPath2(pathName());
508       navTo(o,link,hashUrl(),relpath);
509     } else if (!animationInProgress) {
510       $('#doc-content').scrollTop(0);
511       $('.item').removeClass('selected');
512       $('.item').removeAttr('id');
513       navTo(o,toroot,hashUrl(),relpath);
514     }
515  })
516}
517