source: flair-dev/trunk/doc/Flair/navtree.js@ 44

Last change on this file since 44 was 23, checked in by Sanahuja Guillaume, 8 years ago

m

File size: 14.2 KB
Line 
1var navTreeSubIndices = new Array();
2
3function getData(varName)
4{
5 var i = varName.lastIndexOf('/');
6 var n = i>=0 ? varName.substring(i+1) : varName;
7 return eval(n.replace(/\-/g,'_'));
8}
9
10function stripPath(uri)
11{
12 return uri.substring(uri.lastIndexOf('/')+1);
13}
14
15function stripPath2(uri)
16{
17 var i = uri.lastIndexOf('/');
18 var s = uri.substring(i+1);
19 var m = uri.substring(0,i+1).match(/\/d\w\/d\w\w\/$/);
20 return m ? uri.substring(i-6) : s;
21}
22
23function hashValue()
24{
25 return $(location).attr('hash').substring(1).replace(/[^\w\-]/g,'');
26}
27
28function hashUrl()
29{
30 return '#'+hashValue();
31}
32
33function pathName()
34{
35 return $(location).attr('pathname').replace(/[^-A-Za-z0-9+&@#/%?=~_|!:,.;\(\)]/g, '');
36}
37
38function localStorageSupported()
39{
40 try {
41 return 'localStorage' in window && window['localStorage'] !== null && window.localStorage.getItem;
42 }
43 catch(e) {
44 return false;
45 }
46}
47
48
49function storeLink(link)
50{
51 if (!$("#nav-sync").hasClass('sync') && localStorageSupported()) {
52 window.localStorage.setItem('navpath',link);
53 }
54}
55
56function deleteLink()
57{
58 if (localStorageSupported()) {
59 window.localStorage.setItem('navpath','');
60 }
61}
62
63function cachedLink()
64{
65 if (localStorageSupported()) {
66 return window.localStorage.getItem('navpath');
67 } else {
68 return '';
69 }
70}
71
72function getScript(scriptName,func,show)
73{
74 var head = document.getElementsByTagName("head")[0];
75 var script = document.createElement('script');
76 script.id = scriptName;
77 script.type = 'text/javascript';
78 script.onload = func;
79 script.src = scriptName+'.js';
80 if ($.browser.msie && $.browser.version<=8) {
81 // script.onload does not work with older versions of IE
82 script.onreadystatechange = function() {
83 if (script.readyState=='complete' || script.readyState=='loaded') {
84 func(); if (show) showRoot();
85 }
86 }
87 }
88 head.appendChild(script);
89}
90
91function createIndent(o,domNode,node,level)
92{
93 var level=-1;
94 var n = node;
95 while (n.parentNode) { level++; n=n.parentNode; }
96 if (node.childrenData) {
97 var imgNode = document.createElement("img");
98 imgNode.style.paddingLeft=(16*level).toString()+'px';
99 imgNode.width = 16;
100 imgNode.height = 22;
101 imgNode.border = 0;
102 node.plus_img = imgNode;
103 node.expandToggle = document.createElement("a");
104 node.expandToggle.href = "javascript:void(0)";
105 node.expandToggle.onclick = function() {
106 if (node.expanded) {
107 $(node.getChildrenUL()).slideUp("fast");
108 node.plus_img.src = node.relpath+"arrowright.png";
109 node.expanded = false;
110 } else {
111 expandNode(o, node, false, false);
112 }
113 }
114 node.expandToggle.appendChild(imgNode);
115 domNode.appendChild(node.expandToggle);
116 imgNode.src = node.relpath+"arrowright.png";
117 } else {
118 var span = document.createElement("span");
119 span.style.display = 'inline-block';
120 span.style.width = 16*(level+1)+'px';
121 span.style.height = '22px';
122 span.innerHTML = '&#160;';
123 domNode.appendChild(span);
124 }
125}
126
127var animationInProgress = false;
128
129function gotoAnchor(anchor,aname,updateLocation)
130{
131 var pos, docContent = $('#doc-content');
132 var ancParent = $(anchor.parent());
133 if (ancParent.hasClass('memItemLeft') ||
134 ancParent.hasClass('fieldname') ||
135 ancParent.hasClass('fieldtype') ||
136 ancParent.is(':header'))
137 {
138 pos = ancParent.position().top;
139 } else if (anchor.position()) {
140 pos = anchor.position().top;
141 }
142 if (pos) {
143 var dist = Math.abs(Math.min(
144 pos-docContent.offset().top,
145 docContent[0].scrollHeight-
146 docContent.height()-docContent.scrollTop()));
147 animationInProgress=true;
148 docContent.animate({
149 scrollTop: pos + docContent.scrollTop() - docContent.offset().top
150 },Math.max(50,Math.min(500,dist)),function(){
151 if (updateLocation) window.location.href=aname;
152 animationInProgress=false;
153 });
154 }
155}
156
157function newNode(o, po, text, link, childrenData, lastNode)
158{
159 var node = new Object();
160 node.children = Array();
161 node.childrenData = childrenData;
162 node.depth = po.depth + 1;
163 node.relpath = po.relpath;
164 node.isLast = lastNode;
165
166 node.li = document.createElement("li");
167 po.getChildrenUL().appendChild(node.li);
168 node.parentNode = po;
169
170 node.itemDiv = document.createElement("div");
171 node.itemDiv.className = "item";
172
173 node.labelSpan = document.createElement("span");
174 node.labelSpan.className = "label";
175
176 createIndent(o,node.itemDiv,node,0);
177 node.itemDiv.appendChild(node.labelSpan);
178 node.li.appendChild(node.itemDiv);
179
180 var a = document.createElement("a");
181 node.labelSpan.appendChild(a);
182 node.label = document.createTextNode(text);
183 node.expanded = false;
184 a.appendChild(node.label);
185 if (link) {
186 var url;
187 if (link.substring(0,1)=='^') {
188 url = link.substring(1);
189 link = url;
190 } else {
191 url = node.relpath+link;
192 }
193 a.className = stripPath(link.replace('#',':'));
194 if (link.indexOf('#')!=-1) {
195 var aname = '#'+link.split('#')[1];
196 var srcPage = stripPath(pathName());
197 var targetPage = stripPath(link.split('#')[0]);
198 a.href = srcPage!=targetPage ? url : "javascript:void(0)";
199 a.onclick = function(){
200 storeLink(link);
201 if (!$(a).parent().parent().hasClass('selected'))
202 {
203 $('.item').removeClass('selected');
204 $('.item').removeAttr('id');
205 $(a).parent().parent().addClass('selected');
206 $(a).parent().parent().attr('id','selected');
207 }
208 var anchor = $(aname);
209 gotoAnchor(anchor,aname,true);
210 };
211 } else {
212 a.href = url;
213 a.onclick = function() { storeLink(link); }
214 }
215 } else {
216 if (childrenData != null)
217 {
218 a.className = "nolink";
219 a.href = "javascript:void(0)";
220 a.onclick = node.expandToggle.onclick;
221 }
222 }
223
224 node.childrenUL = null;
225 node.getChildrenUL = function() {
226 if (!node.childrenUL) {
227 node.childrenUL = document.createElement("ul");
228 node.childrenUL.className = "children_ul";
229 node.childrenUL.style.display = "none";
230 node.li.appendChild(node.childrenUL);
231 }
232 return node.childrenUL;
233 };
234
235 return node;
236}
237
238function showRoot()
239{
240 var headerHeight = $("#top").height();
241 var footerHeight = $("#nav-path").height();
242 var windowHeight = $(window).height() - headerHeight - footerHeight;
243 (function (){ // retry until we can scroll to the selected item
244 try {
245 var navtree=$('#nav-tree');
246 navtree.scrollTo('#selected',0,{offset:-windowHeight/2});
247 } catch (err) {
248 setTimeout(arguments.callee, 0);
249 }
250 })();
251}
252
253function expandNode(o, node, imm, showRoot)
254{
255 if (node.childrenData && !node.expanded) {
256 if (typeof(node.childrenData)==='string') {
257 var varName = node.childrenData;
258 getScript(node.relpath+varName,function(){
259 node.childrenData = getData(varName);
260 expandNode(o, node, imm, showRoot);
261 }, showRoot);
262 } else {
263 if (!node.childrenVisited) {
264 getNode(o, node);
265 } if (imm || ($.browser.msie && $.browser.version>8)) {
266 // somehow slideDown jumps to the start of tree for IE9 :-(
267 $(node.getChildrenUL()).show();
268 } else {
269 $(node.getChildrenUL()).slideDown("fast");
270 }
271 if (node.isLast) {
272 node.plus_img.src = node.relpath+"arrowdown.png";
273 } else {
274 node.plus_img.src = node.relpath+"arrowdown.png";
275 }
276 node.expanded = true;
277 }
278 }
279}
280
281function glowEffect(n,duration)
282{
283 n.addClass('glow').delay(duration).queue(function(next){
284 $(this).removeClass('glow');next();
285 });
286}
287
288function highlightAnchor()
289{
290 var aname = hashUrl();
291 var anchor = $(aname);
292 if (anchor.parent().attr('class')=='memItemLeft'){
293 var rows = $('.memberdecls tr[class$="'+hashValue()+'"]');
294 glowEffect(rows.children(),300); // member without details
295 } else if (anchor.parent().attr('class')=='fieldname'){
296 glowEffect(anchor.parent().parent(),1000); // enum value
297 } else if (anchor.parent().attr('class')=='fieldtype'){
298 glowEffect(anchor.parent().parent(),1000); // struct field
299 } else if (anchor.parent().is(":header")) {
300 glowEffect(anchor.parent(),1000); // section header
301 } else {
302 glowEffect(anchor.next(),1000); // normal member
303 }
304 gotoAnchor(anchor,aname,false);
305}
306
307function selectAndHighlight(hash,n)
308{
309 var a;
310 if (hash) {
311 var link=stripPath(pathName())+':'+hash.substring(1);
312 a=$('.item a[class$="'+link+'"]');
313 }
314 if (a && a.length) {
315 a.parent().parent().addClass('selected');
316 a.parent().parent().attr('id','selected');
317 highlightAnchor();
318 } else if (n) {
319 $(n.itemDiv).addClass('selected');
320 $(n.itemDiv).attr('id','selected');
321 }
322 if ($('#nav-tree-contents .item:first').hasClass('selected')) {
323 $('#nav-sync').css('top','30px');
324 } else {
325 $('#nav-sync').css('top','5px');
326 }
327 showRoot();
328}
329
330function showNode(o, node, index, hash)
331{
332 if (node && node.childrenData) {
333 if (typeof(node.childrenData)==='string') {
334 var varName = node.childrenData;
335 getScript(node.relpath+varName,function(){
336 node.childrenData = getData(varName);
337 showNode(o,node,index,hash);
338 },true);
339 } else {
340 if (!node.childrenVisited) {
341 getNode(o, node);
342 }
343 $(node.getChildrenUL()).css({'display':'block'});
344 node.plus_img.src = node.relpath+"arrowdown.png";
345 node.expanded = true;
346 var n = node.children[o.breadcrumbs[index]];
347 if (index+1<o.breadcrumbs.length) {
348 showNode(o,n,index+1,hash);
349 } else {
350 if (typeof(n.childrenData)==='string') {
351 var varName = n.childrenData;
352 getScript(n.relpath+varName,function(){
353 n.childrenData = getData(varName);
354 node.expanded=false;
355 showNode(o,node,index,hash); // retry with child node expanded
356 },true);
357 } else {
358 var rootBase = stripPath(o.toroot.replace(/\..+$/, ''));
359 if (rootBase=="index" || rootBase=="pages" || rootBase=="search") {
360 expandNode(o, n, true, true);
361 }
362 selectAndHighlight(hash,n);
363 }
364 }
365 }
366 } else {
367 selectAndHighlight(hash);
368 }
369}
370
371function removeToInsertLater(element) {
372 var parentNode = element.parentNode;
373 var nextSibling = element.nextSibling;
374 parentNode.removeChild(element);
375 return function() {
376 if (nextSibling) {
377 parentNode.insertBefore(element, nextSibling);
378 } else {
379 parentNode.appendChild(element);
380 }
381 };
382}
383
384function getNode(o, po)
385{
386 var insertFunction = removeToInsertLater(po.li);
387 po.childrenVisited = true;
388 var l = po.childrenData.length-1;
389 for (var i in po.childrenData) {
390 var nodeData = po.childrenData[i];
391 po.children[i] = newNode(o, po, nodeData[0], nodeData[1], nodeData[2],
392 i==l);
393 }
394 insertFunction();
395}
396
397function gotoNode(o,subIndex,root,hash,relpath)
398{
399 var nti = navTreeSubIndices[subIndex][root+hash];
400 o.breadcrumbs = $.extend(true, [], nti ? nti : navTreeSubIndices[subIndex][root]);
401 if (!o.breadcrumbs && root!=NAVTREE[0][1]) { // fallback: show index
402 navTo(o,NAVTREE[0][1],"",relpath);
403 $('.item').removeClass('selected');
404 $('.item').removeAttr('id');
405 }
406 if (o.breadcrumbs) {
407 o.breadcrumbs.unshift(0); // add 0 for root node
408 showNode(o, o.node, 0, hash);
409 }
410}
411
412function navTo(o,root,hash,relpath)
413{
414 var link = cachedLink();
415 if (link) {
416 var parts = link.split('#');
417 root = parts[0];
418 if (parts.length>1) hash = '#'+parts[1].replace(/[^\w\-]/g,'');
419 else hash='';
420 }
421 if (hash.match(/^#l\d+$/)) {
422 var anchor=$('a[name='+hash.substring(1)+']');
423 glowEffect(anchor.parent(),1000); // line number
424 hash=''; // strip line number anchors
425 }
426 var url=root+hash;
427 var i=-1;
428 while (NAVTREEINDEX[i+1]<=url) i++;
429 if (i==-1) { i=0; root=NAVTREE[0][1]; } // fallback: show index
430 if (navTreeSubIndices[i]) {
431 gotoNode(o,i,root,hash,relpath)
432 } else {
433 getScript(relpath+'navtreeindex'+i,function(){
434 navTreeSubIndices[i] = eval('NAVTREEINDEX'+i);
435 if (navTreeSubIndices[i]) {
436 gotoNode(o,i,root,hash,relpath);
437 }
438 },true);
439 }
440}
441
442function showSyncOff(n,relpath)
443{
444 n.html('<img src="'+relpath+'sync_off.png" title="'+SYNCOFFMSG+'"/>');
445}
446
447function showSyncOn(n,relpath)
448{
449 n.html('<img src="'+relpath+'sync_on.png" title="'+SYNCONMSG+'"/>');
450}
451
452function toggleSyncButton(relpath)
453{
454 var navSync = $('#nav-sync');
455 if (navSync.hasClass('sync')) {
456 navSync.removeClass('sync');
457 showSyncOff(navSync,relpath);
458 storeLink(stripPath2(pathName())+hashUrl());
459 } else {
460 navSync.addClass('sync');
461 showSyncOn(navSync,relpath);
462 deleteLink();
463 }
464}
465
466function initNavTree(toroot,relpath)
467{
468 var o = new Object();
469 o.toroot = toroot;
470 o.node = new Object();
471 o.node.li = document.getElementById("nav-tree-contents");
472 o.node.childrenData = NAVTREE;
473 o.node.children = new Array();
474 o.node.childrenUL = document.createElement("ul");
475 o.node.getChildrenUL = function() { return o.node.childrenUL; };
476 o.node.li.appendChild(o.node.childrenUL);
477 o.node.depth = 0;
478 o.node.relpath = relpath;
479 o.node.expanded = false;
480 o.node.isLast = true;
481 o.node.plus_img = document.createElement("img");
482 o.node.plus_img.src = relpath+"arrowright.png";
483 o.node.plus_img.width = 16;
484 o.node.plus_img.height = 22;
485
486 if (localStorageSupported()) {
487 var navSync = $('#nav-sync');
488 if (cachedLink()) {
489 showSyncOff(navSync,relpath);
490 navSync.removeClass('sync');
491 } else {
492 showSyncOn(navSync,relpath);
493 }
494 navSync.click(function(){ toggleSyncButton(relpath); });
495 }
496
497 $(window).load(function(){
498 navTo(o,toroot,hashUrl(),relpath);
499 showRoot();
500 });
501
502 $(window).bind('hashchange', function(){
503 if (window.location.hash && window.location.hash.length>1){
504 var a;
505 if ($(location).attr('hash')){
506 var clslink=stripPath(pathName())+':'+hashValue();
507 a=$('.item a[class$="'+clslink.replace(/</g,'\\3c ')+'"]');
508 }
509 if (a==null || !$(a).parent().parent().hasClass('selected')){
510 $('.item').removeClass('selected');
511 $('.item').removeAttr('id');
512 }
513 var link=stripPath2(pathName());
514 navTo(o,link,hashUrl(),relpath);
515 } else if (!animationInProgress) {
516 $('#doc-content').scrollTop(0);
517 $('.item').removeClass('selected');
518 $('.item').removeAttr('id');
519 navTo(o,toroot,hashUrl(),relpath);
520 }
521 })
522}
523
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