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Root/branches/xZenu/src/util/doxygen/src/search.js

Source at commit 1322 created 12 years 8 months ago.
By meklort, Add doxygen to utils folder
1function convertToId(search)␊
2{␊
3 var result = '';␊
4 for (i=0;i<search.length;i++)␊
5 {␊
6 var c = search.charAt(i);␊
7 var cn = c.charCodeAt(0);␊
8 if (c.match(/[a-z0-9]/))␊
9 {␊
10 result+=c;␊
11 }␊
12 else if (cn<16) ␊
13 {␊
14 result+="_0"+cn.toString(16);␊
15 }␊
16 else ␊
17 {␊
18 result+="_"+cn.toString(16);␊
19 }␊
20 }␊
21 return result;␊
22}␊
23␊
24function getXPos(item)␊
25{␊
26 var x = 0;␊
27 if (item.offsetWidth)␊
28 {␊
29 while (item && item!=document.body)␊
30 {␊
31 x += item.offsetLeft;␊
32 item = item.offsetParent;␊
33 }␊
34 }␊
35 return x;␊
36}␊
37␊
38function getYPos(item)␊
39{␊
40 var y = 0;␊
41 if (item.offsetWidth)␊
42 {␊
43 while (item && item!=document.body)␊
44 {␊
45 y += item.offsetTop;␊
46 item = item.offsetParent;␊
47 }␊
48 }␊
49 return y;␊
50}␊
51␊
52/* A class handling everything associated with the search panel.␊
53␊
54 Parameters:␊
55 name - The name of the global variable that will be ␊
56 storing this instance. Is needed to be able to set timeouts.␊
57 resultPath - path to use for external files␊
58*/␊
59function SearchBox(name, resultsPath, inFrame, label)␊
60{␊
61 if (!name || !resultsPath) { alert("Missing parameters to SearchBox."); }␊
62 ␊
63 // ---------- Instance variables␊
64 this.name = name;␊
65 this.resultsPath = resultsPath;␊
66 this.keyTimeout = 0;␊
67 this.keyTimeoutLength = 500;␊
68 this.closeSelectionTimeout = 300;␊
69 this.lastSearchValue = "";␊
70 this.lastResultsPage = "";␊
71 this.hideTimeout = 0;␊
72 this.searchIndex = 0;␊
73 this.searchActive = false;␊
74 this.insideFrame = inFrame;␊
75 this.searchLabel = label;␊
76␊
77 // ----------- DOM Elements␊
78␊
79 this.DOMSearchField = function()␊
80 { return document.getElementById("MSearchField"); }␊
81␊
82 this.DOMSearchSelect = function()␊
83 { return document.getElementById("MSearchSelect"); }␊
84␊
85 this.DOMSearchSelectWindow = function()␊
86 { return document.getElementById("MSearchSelectWindow"); }␊
87␊
88 this.DOMPopupSearchResults = function()␊
89 { return document.getElementById("MSearchResults"); }␊
90␊
91 this.DOMPopupSearchResultsWindow = function()␊
92 { return document.getElementById("MSearchResultsWindow"); }␊
93␊
94 this.DOMSearchClose = function()␊
95 { return document.getElementById("MSearchClose"); }␊
96␊
97 this.DOMSearchBox = function()␊
98 { return document.getElementById("MSearchBox"); }␊
99␊
100 // ------------ Event Handlers␊
101␊
102 // Called when focus is added or removed from the search field.␊
103 this.OnSearchFieldFocus = function(isActive)␊
104 {␊
105 this.Activate(isActive);␊
106 }␊
107␊
108 this.OnSearchSelectShow = function()␊
109 {␊
110 var searchSelectWindow = this.DOMSearchSelectWindow();␊
111 var searchField = this.DOMSearchSelect();␊
112␊
113 if (this.insideFrame)␊
114 {␊
115 var left = getXPos(searchField);␊
116 var top = getYPos(searchField);␊
117 left += searchField.offsetWidth + 6;␊
118 top += searchField.offsetHeight;␊
119␊
120 // show search selection popup␊
121 searchSelectWindow.style.display='block';␊
122 left -= searchSelectWindow.offsetWidth;␊
123 searchSelectWindow.style.left = left + 'px';␊
124 searchSelectWindow.style.top = top + 'px';␊
125 }␊
126 else␊
127 {␊
128 var left = getXPos(searchField);␊
129 var top = getYPos(searchField);␊
130 top += searchField.offsetHeight;␊
131␊
132 // show search selection popup␊
133 searchSelectWindow.style.display='block';␊
134 searchSelectWindow.style.left = left + 'px';␊
135 searchSelectWindow.style.top = top + 'px';␊
136 }␊
137␊
138 // stop selection hide timer␊
139 if (this.hideTimeout) ␊
140 {␊
141 clearTimeout(this.hideTimeout);␊
142 this.hideTimeout=0;␊
143 }␊
144 return false; // to avoid "image drag" default event␊
145 }␊
146␊
147 this.OnSearchSelectHide = function()␊
148 {␊
149 this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()",␊
150 this.closeSelectionTimeout);␊
151 }␊
152␊
153 // Called when the content of the search field is changed.␊
154 this.OnSearchFieldChange = function(evt)␊
155 {␊
156 if (this.keyTimeout) // kill running timer␊
157 {␊
158 clearTimeout(this.keyTimeout);␊
159 this.keyTimeout = 0;␊
160 }␊
161␊
162 var e = (evt) ? evt : window.event; // for IE␊
163 if (e.keyCode==40 || e.keyCode==13)␊
164 {␊
165 if (e.shiftKey==1)␊
166 {␊
167 this.OnSearchSelectShow();␊
168 var win=this.DOMSearchSelectWindow(); ␊
169 for (i=0;i<win.childNodes.length;i++)␊
170 {␊
171 var child = win.childNodes[i]; // get span within a␊
172 if (child.className=='SelectItem')␊
173 {␊
174 child.focus();␊
175 return;␊
176 }␊
177 }␊
178 return;␊
179 }␊
180 else if (window.frames.MSearchResults.searchResults)␊
181 {␊
182 var elem = window.frames.MSearchResults.searchResults.NavNext(0);␊
183 if (elem) elem.focus();␊
184 }␊
185 }␊
186 else if (e.keyCode==27) // Escape out of the search field␊
187 {␊
188 this.DOMSearchField().blur();␊
189 this.DOMPopupSearchResultsWindow().style.display = 'none';␊
190 this.DOMSearchClose().style.display = 'none';␊
191 this.lastSearchValue = '';␊
192 this.Activate(false);␊
193 return;␊
194 }␊
195␊
196 // strip whitespaces␊
197 var searchValue = this.DOMSearchField().value.replace(/ +/g, "");␊
198␊
199 if (searchValue != this.lastSearchValue) // search value has changed␊
200 {␊
201 if (searchValue != "") // non-empty search␊
202 {␊
203 // set timer for search update␊
204 this.keyTimeout = setTimeout(this.name + '.Search()',␊
205 this.keyTimeoutLength);␊
206 }␊
207 else // empty search field␊
208 {␊
209 this.DOMPopupSearchResultsWindow().style.display = 'none';␊
210 this.DOMSearchClose().style.display = 'none';␊
211 this.lastSearchValue = '';␊
212 }␊
213 }␊
214 }␊
215␊
216 this.SelectItemCount = function(id)␊
217 {␊
218 var count=0;␊
219 var win=this.DOMSearchSelectWindow(); ␊
220 for (i=0;i<win.childNodes.length;i++)␊
221 {␊
222 var child = win.childNodes[i]; // get span within a␊
223 if (child.className=='SelectItem')␊
224 {␊
225 count++;␊
226 }␊
227 }␊
228 return count;␊
229 }␊
230␊
231 this.SelectItemSet = function(id)␊
232 {␊
233 var i,j=0;␊
234 var win=this.DOMSearchSelectWindow(); ␊
235 for (i=0;i<win.childNodes.length;i++)␊
236 {␊
237 var child = win.childNodes[i]; // get span within a␊
238 if (child.className=='SelectItem')␊
239 {␊
240 var node = child.firstChild;␊
241 if (j==id)␊
242 {␊
243 node.innerHTML='&bull;';␊
244 }␊
245 else␊
246 {␊
247 node.innerHTML='&#160;';␊
248 }␊
249 j++;␊
250 }␊
251 }␊
252 }␊
253␊
254 // Called when an search filter selection is made.␊
255 // set item with index id as the active item␊
256 this.OnSelectItem = function(id)␊
257 {␊
258 this.searchIndex = id;␊
259 this.SelectItemSet(id);␊
260 var searchValue = this.DOMSearchField().value.replace(/ +/g, "");␊
261 if (searchValue!="" && this.searchActive) // something was found -> do a search␊
262 {␊
263 this.Search();␊
264 }␊
265 }␊
266␊
267 this.OnSearchSelectKey = function(evt)␊
268 {␊
269 var e = (evt) ? evt : window.event; // for IE␊
270 if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down␊
271 {␊
272 this.searchIndex++;␊
273 this.OnSelectItem(this.searchIndex);␊
274 }␊
275 else if (e.keyCode==38 && this.searchIndex>0) // Up␊
276 {␊
277 this.searchIndex--;␊
278 this.OnSelectItem(this.searchIndex);␊
279 }␊
280 else if (e.keyCode==13 || e.keyCode==27)␊
281 {␊
282 this.OnSelectItem(this.searchIndex);␊
283 this.CloseSelectionWindow();␊
284 this.DOMSearchField().focus();␊
285 }␊
286 return false;␊
287 }␊
288␊
289 // --------- Actions␊
290␊
291 // Closes the results window.␊
292 this.CloseResultsWindow = function()␊
293 {␊
294 this.DOMPopupSearchResultsWindow().style.display = 'none';␊
295 this.DOMSearchClose().style.display = 'none';␊
296 this.Activate(false);␊
297 }␊
298␊
299 this.CloseSelectionWindow = function()␊
300 {␊
301 this.DOMSearchSelectWindow().style.display = 'none';␊
302 }␊
303␊
304 // Performs a search.␊
305 this.Search = function()␊
306 {␊
307 this.keyTimeout = 0;␊
308␊
309 // strip leading whitespace␊
310 var searchValue = this.DOMSearchField().value.replace(/^ +/, "");␊
311␊
312 var code = searchValue.toLowerCase().charCodeAt(0);␊
313 var hexCode;␊
314 if (code<16) ␊
315 {␊
316 hexCode="0"+code.toString(16);␊
317 }␊
318 else ␊
319 {␊
320 hexCode=code.toString(16);␊
321 }␊
322␊
323 var resultsPage;␊
324 var resultsPageWithSearch;␊
325 var hasResultsPage;␊
326␊
327 if (indexSectionsWithContent[this.searchIndex].charAt(code) == '1')␊
328 {␊
329 resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html';␊
330 resultsPageWithSearch = resultsPage+'?'+escape(searchValue);␊
331 hasResultsPage = true;␊
332 }␊
333 else // nothing available for this search term␊
334 {␊
335 resultsPage = this.resultsPath + '/nomatches.html';␊
336 resultsPageWithSearch = resultsPage;␊
337 hasResultsPage = false;␊
338 }␊
339␊
340 window.frames.MSearchResults.location.href = resultsPageWithSearch; ␊
341 var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow();␊
342␊
343 if (domPopupSearchResultsWindow.style.display!='block')␊
344 {␊
345 var domSearchBox = this.DOMSearchBox();␊
346 this.DOMSearchClose().style.display = 'inline';␊
347 if (this.insideFrame)␊
348 {␊
349 var domPopupSearchResults = this.DOMPopupSearchResults();␊
350 domPopupSearchResultsWindow.style.position = 'relative';␊
351 domPopupSearchResultsWindow.style.display = 'block';␊
352 var width = document.body.clientWidth - 8; // the -8 is for IE :-(␊
353 domPopupSearchResultsWindow.style.width = width + 'px';␊
354 domPopupSearchResults.style.width = width + 'px';␊
355 }␊
356 else␊
357 {␊
358 var domPopupSearchResults = this.DOMPopupSearchResults();␊
359 var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth;␊
360 var top = getYPos(domSearchBox) + 20; // domSearchBox.offsetHeight + 1;␊
361 domPopupSearchResultsWindow.style.display = 'block';␊
362 left -= domPopupSearchResults.offsetWidth;␊
363 domPopupSearchResultsWindow.style.top = top + 'px';␊
364 domPopupSearchResultsWindow.style.left = left + 'px';␊
365 }␊
366 }␊
367␊
368 this.lastSearchValue = searchValue;␊
369 this.lastResultsPage = resultsPage;␊
370 }␊
371␊
372 // -------- Activation Functions␊
373␊
374 // Activates or deactivates the search panel, resetting things to ␊
375 // their default values if necessary. ␊
376 this.Activate = function(isActive)␊
377 {␊
378 if (isActive || // open it␊
379 this.DOMPopupSearchResultsWindow().style.display == 'block' ␊
380 )␊
381 {␊
382 this.DOMSearchBox().className = 'MSearchBoxActive';␊
383␊
384 var searchField = this.DOMSearchField();␊
385␊
386 if (searchField.value == this.searchLabel) // clear "Search" term upon entry␊
387 { ␊
388 searchField.value = ''; ␊
389 this.searchActive = true;␊
390 }␊
391 }␊
392 else if (!isActive) // directly remove the panel␊
393 {␊
394 this.DOMSearchBox().className = 'MSearchBoxInactive';␊
395 this.DOMSearchField().value = this.searchLabel;␊
396 this.searchActive = false;␊
397 this.lastSearchValue = ''␊
398 this.lastResultsPage = '';␊
399 }␊
400 }␊
401}␊
402␊
403// -----------------------------------------------------------------------␊
404␊
405// The class that handles everything on the search results page.␊
406function SearchResults(name)␊
407{␊
408 // The number of matches from the last run of <Search()>.␊
409 this.lastMatchCount = 0;␊
410 this.lastKey = 0;␊
411 this.repeatOn = false;␊
412␊
413 // Toggles the visibility of the passed element ID.␊
414 this.FindChildElement = function(id)␊
415 {␊
416 var parentElement = document.getElementById(id);␊
417 var element = parentElement.firstChild;␊
418␊
419 while (element && element!=parentElement)␊
420 {␊
421 if (element.nodeName == 'DIV' && element.className == 'SRChildren')␊
422 {␊
423 return element;␊
424 }␊
425␊
426 if (element.nodeName == 'DIV' && element.hasChildNodes())␊
427 { ␊
428 element = element.firstChild; ␊
429 }␊
430 else if (element.nextSibling)␊
431 { ␊
432 element = element.nextSibling; ␊
433 }␊
434 else␊
435 {␊
436 do␊
437 {␊
438 element = element.parentNode;␊
439 }␊
440 while (element && element!=parentElement && !element.nextSibling);␊
441␊
442 if (element && element!=parentElement)␊
443 { ␊
444 element = element.nextSibling; ␊
445 }␊
446 }␊
447 }␊
448 }␊
449␊
450 this.Toggle = function(id)␊
451 {␊
452 var element = this.FindChildElement(id);␊
453 if (element)␊
454 {␊
455 if (element.style.display == 'block')␊
456 {␊
457 element.style.display = 'none';␊
458 }␊
459 else␊
460 {␊
461 element.style.display = 'block';␊
462 }␊
463 }␊
464 }␊
465␊
466 // Searches for the passed string. If there is no parameter,␊
467 // it takes it from the URL query.␊
468 //␊
469 // Always returns true, since other documents may try to call it␊
470 // and that may or may not be possible.␊
471 this.Search = function(search)␊
472 {␊
473 if (!search) // get search word from URL␊
474 {␊
475 search = window.location.search;␊
476 search = search.substring(1); // Remove the leading '?'␊
477 search = unescape(search);␊
478 }␊
479␊
480 search = search.replace(/^ +/, ""); // strip leading spaces␊
481 search = search.replace(/ +$/, ""); // strip trailing spaces␊
482 search = search.toLowerCase();␊
483 search = convertToId(search);␊
484␊
485 var resultRows = document.getElementsByTagName("div");␊
486 var matches = 0;␊
487␊
488 var i = 0;␊
489 while (i < resultRows.length)␊
490 {␊
491 var row = resultRows.item(i);␊
492 if (row.className == "SRResult")␊
493 {␊
494 var rowMatchName = row.id.toLowerCase();␊
495 rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_'␊
496␊
497 if (search.length<=rowMatchName.length && ␊
498 rowMatchName.substr(0, search.length)==search)␊
499 {␊
500 row.style.display = 'block';␊
501 matches++;␊
502 }␊
503 else␊
504 {␊
505 row.style.display = 'none';␊
506 }␊
507 }␊
508 i++;␊
509 }␊
510 document.getElementById("Searching").style.display='none';␊
511 if (matches == 0) // no results␊
512 {␊
513 document.getElementById("NoMatches").style.display='block';␊
514 }␊
515 else // at least one result␊
516 {␊
517 document.getElementById("NoMatches").style.display='none';␊
518 }␊
519 this.lastMatchCount = matches;␊
520 return true;␊
521 }␊
522␊
523 // return the first item with index index or higher that is visible␊
524 this.NavNext = function(index)␊
525 {␊
526 var focusItem;␊
527 while (1)␊
528 {␊
529 var focusName = 'Item'+index;␊
530 focusItem = document.getElementById(focusName);␊
531 if (focusItem && focusItem.parentNode.parentNode.style.display=='block')␊
532 {␊
533 break;␊
534 }␊
535 else if (!focusItem) // last element␊
536 {␊
537 break;␊
538 }␊
539 focusItem=null;␊
540 index++;␊
541 }␊
542 return focusItem;␊
543 }␊
544␊
545 this.NavPrev = function(index)␊
546 {␊
547 var focusItem;␊
548 while (1)␊
549 {␊
550 var focusName = 'Item'+index;␊
551 focusItem = document.getElementById(focusName);␊
552 if (focusItem && focusItem.parentNode.parentNode.style.display=='block')␊
553 {␊
554 break;␊
555 }␊
556 else if (!focusItem) // last element␊
557 {␊
558 break;␊
559 }␊
560 focusItem=null;␊
561 index--;␊
562 }␊
563 return focusItem;␊
564 }␊
565␊
566 this.ProcessKeys = function(e)␊
567 {␊
568 if (e.type == "keydown") ␊
569 {␊
570 this.repeatOn = false;␊
571 this.lastKey = e.keyCode;␊
572 }␊
573 else if (e.type == "keypress")␊
574 {␊
575 if (!this.repeatOn)␊
576 {␊
577 if (this.lastKey) this.repeatOn = true;␊
578 return false; // ignore first keypress after keydown␊
579 }␊
580 }␊
581 else if (e.type == "keyup")␊
582 {␊
583 this.lastKey = 0;␊
584 this.repeatOn = false;␊
585 }␊
586 return this.lastKey!=0;␊
587 }␊
588␊
589 this.Nav = function(evt,itemIndex) ␊
590 {␊
591 var e = (evt) ? evt : window.event; // for IE␊
592 if (e.keyCode==13) return true;␊
593 if (!this.ProcessKeys(e)) return false;␊
594␊
595 if (this.lastKey==38) // Up␊
596 {␊
597 var newIndex = itemIndex-1;␊
598 var focusItem = this.NavPrev(newIndex);␊
599 if (focusItem)␊
600 {␊
601 var child = this.FindChildElement(focusItem.parentNode.parentNode.id);␊
602 if (child && child.style.display == 'block') // children visible␊
603 { ␊
604 var n=0;␊
605 var tmpElem;␊
606 while (1) // search for last child␊
607 {␊
608 tmpElem = document.getElementById('Item'+newIndex+'_c'+n);␊
609 if (tmpElem)␊
610 {␊
611 focusItem = tmpElem;␊
612 }␊
613 else // found it!␊
614 {␊
615 break;␊
616 }␊
617 n++;␊
618 }␊
619 }␊
620 }␊
621 if (focusItem)␊
622 {␊
623 focusItem.focus();␊
624 }␊
625 else // return focus to search field␊
626 {␊
627 parent.document.getElementById("MSearchField").focus();␊
628 }␊
629 }␊
630 else if (this.lastKey==40) // Down␊
631 {␊
632 var newIndex = itemIndex+1;␊
633 var focusItem;␊
634 var item = document.getElementById('Item'+itemIndex);␊
635 var elem = this.FindChildElement(item.parentNode.parentNode.id);␊
636 if (elem && elem.style.display == 'block') // children visible␊
637 {␊
638 focusItem = document.getElementById('Item'+itemIndex+'_c0');␊
639 }␊
640 if (!focusItem) focusItem = this.NavNext(newIndex);␊
641 if (focusItem) focusItem.focus();␊
642 }␊
643 else if (this.lastKey==39) // Right␊
644 {␊
645 var item = document.getElementById('Item'+itemIndex);␊
646 var elem = this.FindChildElement(item.parentNode.parentNode.id);␊
647 if (elem) elem.style.display = 'block';␊
648 }␊
649 else if (this.lastKey==37) // Left␊
650 {␊
651 var item = document.getElementById('Item'+itemIndex);␊
652 var elem = this.FindChildElement(item.parentNode.parentNode.id);␊
653 if (elem) elem.style.display = 'none';␊
654 }␊
655 else if (this.lastKey==27) // Escape␊
656 {␊
657 parent.searchBox.CloseResultsWindow();␊
658 parent.document.getElementById("MSearchField").focus();␊
659 }␊
660 else if (this.lastKey==13) // Enter␊
661 {␊
662 return true;␊
663 }␊
664 return false;␊
665 }␊
666␊
667 this.NavChild = function(evt,itemIndex,childIndex)␊
668 {␊
669 var e = (evt) ? evt : window.event; // for IE␊
670 if (e.keyCode==13) return true;␊
671 if (!this.ProcessKeys(e)) return false;␊
672␊
673 if (this.lastKey==38) // Up␊
674 {␊
675 if (childIndex>0)␊
676 {␊
677 var newIndex = childIndex-1;␊
678 document.getElementById('Item'+itemIndex+'_c'+newIndex).focus();␊
679 }␊
680 else // already at first child, jump to parent␊
681 {␊
682 document.getElementById('Item'+itemIndex).focus();␊
683 }␊
684 }␊
685 else if (this.lastKey==40) // Down␊
686 {␊
687 var newIndex = childIndex+1;␊
688 var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex);␊
689 if (!elem) // last child, jump to parent next parent␊
690 {␊
691 elem = this.NavNext(itemIndex+1);␊
692 }␊
693 if (elem)␊
694 {␊
695 elem.focus();␊
696 } ␊
697 }␊
698 else if (this.lastKey==27) // Escape␊
699 {␊
700 parent.searchBox.CloseResultsWindow();␊
701 parent.document.getElementById("MSearchField").focus();␊
702 }␊
703 else if (this.lastKey==13) // Enter␊
704 {␊
705 return true;␊
706 }␊
707 return false;␊
708 }␊
709}␊
710

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