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Diffstat (limited to 'src/search.js')
| -rw-r--r-- | src/search.js | 776 |
1 files changed, 0 insertions, 776 deletions
diff --git a/src/search.js b/src/search.js deleted file mode 100644 index 10cee88..0000000 --- a/src/search.js +++ /dev/null @@ -1,776 +0,0 @@ -function convertToId(search) -{ - var result = ''; - for (i=0;i<search.length;i++) - { - var c = search.charAt(i); - var cn = c.charCodeAt(0); - if (c.match(/[a-z0-9\u0080-\uFFFF]/)) - { - result+=c; - } - else if (cn<16) - { - result+="_0"+cn.toString(16); - } - else - { - result+="_"+cn.toString(16); - } - } - return result; -} - -function getXPos(item) -{ - var x = 0; - if (item.offsetWidth) - { - while (item && item!=document.body) - { - x += item.offsetLeft; - item = item.offsetParent; - } - } - return x; -} - -function getYPos(item) -{ - var y = 0; - if (item.offsetWidth) - { - while (item && item!=document.body) - { - y += item.offsetTop; - item = item.offsetParent; - } - } - return y; -} - -/* A class handling everything associated with the search panel. - - Parameters: - name - The name of the global variable that will be - storing this instance. Is needed to be able to set timeouts. - resultPath - path to use for external files -*/ -function SearchBox(name, resultsPath, inFrame, label) -{ - if (!name || !resultsPath) { alert("Missing parameters to SearchBox."); } - - // ---------- Instance variables - this.name = name; - this.resultsPath = resultsPath; - this.keyTimeout = 0; - this.keyTimeoutLength = 500; - this.closeSelectionTimeout = 300; - this.lastSearchValue = ""; - this.lastResultsPage = ""; - this.hideTimeout = 0; - this.searchIndex = 0; - this.searchActive = false; - this.insideFrame = inFrame; - this.searchLabel = label; - - // ----------- DOM Elements - - this.DOMSearchField = function() - { return document.getElementById("MSearchField"); } - - this.DOMSearchSelect = function() - { return document.getElementById("MSearchSelect"); } - - this.DOMSearchSelectWindow = function() - { return document.getElementById("MSearchSelectWindow"); } - - this.DOMPopupSearchResults = function() - { return document.getElementById("MSearchResults"); } - - this.DOMPopupSearchResultsWindow = function() - { return document.getElementById("MSearchResultsWindow"); } - - this.DOMSearchClose = function() - { return document.getElementById("MSearchClose"); } - - this.DOMSearchBox = function() - { return document.getElementById("MSearchBox"); } - - // ------------ Event Handlers - - // Called when focus is added or removed from the search field. - this.OnSearchFieldFocus = function(isActive) - { - this.Activate(isActive); - } - - this.OnSearchSelectShow = function() - { - var searchSelectWindow = this.DOMSearchSelectWindow(); - var searchField = this.DOMSearchSelect(); - - if (this.insideFrame) - { - var left = getXPos(searchField); - var top = getYPos(searchField); - left += searchField.offsetWidth + 6; - top += searchField.offsetHeight; - - // show search selection popup - searchSelectWindow.style.display='block'; - left -= searchSelectWindow.offsetWidth; - searchSelectWindow.style.left = left + 'px'; - searchSelectWindow.style.top = top + 'px'; - } - else - { - var left = getXPos(searchField); - var top = getYPos(searchField); - top += searchField.offsetHeight; - - // show search selection popup - searchSelectWindow.style.display='block'; - searchSelectWindow.style.left = left + 'px'; - searchSelectWindow.style.top = top + 'px'; - } - - // stop selection hide timer - if (this.hideTimeout) - { - clearTimeout(this.hideTimeout); - this.hideTimeout=0; - } - return false; // to avoid "image drag" default event - } - - this.OnSearchSelectHide = function() - { - this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()", - this.closeSelectionTimeout); - } - - // Called when the content of the search field is changed. - this.OnSearchFieldChange = function(evt) - { - if (this.keyTimeout) // kill running timer - { - clearTimeout(this.keyTimeout); - this.keyTimeout = 0; - } - - var e = (evt) ? evt : window.event; // for IE - if (e.keyCode==40 || e.keyCode==13) - { - if (e.shiftKey==1) - { - this.OnSearchSelectShow(); - var win=this.DOMSearchSelectWindow(); - for (i=0;i<win.childNodes.length;i++) - { - var child = win.childNodes[i]; // get span within a - if (child.className=='SelectItem') - { - child.focus(); - return; - } - } - return; - } - else if (window.frames.MSearchResults.searchResults) - { - var elem = window.frames.MSearchResults.searchResults.NavNext(0); - if (elem) elem.focus(); - } - } - else if (e.keyCode==27) // Escape out of the search field - { - this.DOMSearchField().blur(); - this.DOMPopupSearchResultsWindow().style.display = 'none'; - this.DOMSearchClose().style.display = 'none'; - this.lastSearchValue = ''; - this.Activate(false); - return; - } - - // strip whitespaces - var searchValue = this.DOMSearchField().value.replace(/ +/g, ""); - - if (searchValue != this.lastSearchValue) // search value has changed - { - if (searchValue != "") // non-empty search - { - // set timer for search update - this.keyTimeout = setTimeout(this.name + '.Search()', - this.keyTimeoutLength); - } - else // empty search field - { - this.DOMPopupSearchResultsWindow().style.display = 'none'; - this.DOMSearchClose().style.display = 'none'; - this.lastSearchValue = ''; - } - } - } - - this.SelectItemCount = function(id) - { - var count=0; - var win=this.DOMSearchSelectWindow(); - for (i=0;i<win.childNodes.length;i++) - { - var child = win.childNodes[i]; // get span within a - if (child.className=='SelectItem') - { - count++; - } - } - return count; - } - - this.SelectItemSet = function(id) - { - var i,j=0; - var win=this.DOMSearchSelectWindow(); - for (i=0;i<win.childNodes.length;i++) - { - var child = win.childNodes[i]; // get span within a - if (child.className=='SelectItem') - { - var node = child.firstChild; - if (j==id) - { - node.innerHTML='•'; - } - else - { - node.innerHTML=' '; - } - j++; - } - } - } - - // Called when an search filter selection is made. - // set item with index id as the active item - this.OnSelectItem = function(id) - { - this.searchIndex = id; - this.SelectItemSet(id); - var searchValue = this.DOMSearchField().value.replace(/ +/g, ""); - if (searchValue!="" && this.searchActive) // something was found -> do a search - { - this.Search(); - } - } - - this.OnSearchSelectKey = function(evt) - { - var e = (evt) ? evt : window.event; // for IE - if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down - { - this.searchIndex++; - this.OnSelectItem(this.searchIndex); - } - else if (e.keyCode==38 && this.searchIndex>0) // Up - { - this.searchIndex--; - this.OnSelectItem(this.searchIndex); - } - else if (e.keyCode==13 || e.keyCode==27) - { - this.OnSelectItem(this.searchIndex); - this.CloseSelectionWindow(); - this.DOMSearchField().focus(); - } - return false; - } - - // --------- Actions - - // Closes the results window. - this.CloseResultsWindow = function() - { - this.DOMPopupSearchResultsWindow().style.display = 'none'; - this.DOMSearchClose().style.display = 'none'; - this.Activate(false); - } - - this.CloseSelectionWindow = function() - { - this.DOMSearchSelectWindow().style.display = 'none'; - } - - // Performs a search. - this.Search = function() - { - this.keyTimeout = 0; - - // strip leading whitespace - var searchValue = this.DOMSearchField().value.replace(/^ +/, ""); - - var code = searchValue.toLowerCase().charCodeAt(0); - var idxChar = searchValue.substr(0, 1).toLowerCase(); - if ( 0xD800 <= code && code <= 0xDBFF && searchValue > 1) // surrogate pair - { - idxChar = searchValue.substr(0, 2); - } - - var resultsPage; - var resultsPageWithSearch; - var hasResultsPage; - - var idx = indexSectionsWithContent[this.searchIndex].indexOf(idxChar); - if (idx!=-1) - { - var hexCode=idx.toString(16); - resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html'; - resultsPageWithSearch = resultsPage+'?'+escape(searchValue); - hasResultsPage = true; - } - else // nothing available for this search term - { - resultsPage = this.resultsPath + '/nomatches.html'; - resultsPageWithSearch = resultsPage; - hasResultsPage = false; - } - - window.frames.MSearchResults.location = resultsPageWithSearch; - var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow(); - - if (domPopupSearchResultsWindow.style.display!='block') - { - var domSearchBox = this.DOMSearchBox(); - this.DOMSearchClose().style.display = 'inline'; - if (this.insideFrame) - { - var domPopupSearchResults = this.DOMPopupSearchResults(); - domPopupSearchResultsWindow.style.position = 'relative'; - domPopupSearchResultsWindow.style.display = 'block'; - var width = document.body.clientWidth - 8; // the -8 is for IE :-( - domPopupSearchResultsWindow.style.width = width + 'px'; - domPopupSearchResults.style.width = width + 'px'; - } - else - { - var domPopupSearchResults = this.DOMPopupSearchResults(); - var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth; - var top = getYPos(domSearchBox) + 20; // domSearchBox.offsetHeight + 1; - domPopupSearchResultsWindow.style.display = 'block'; - left -= domPopupSearchResults.offsetWidth; - domPopupSearchResultsWindow.style.top = top + 'px'; - domPopupSearchResultsWindow.style.left = left + 'px'; - } - } - - this.lastSearchValue = searchValue; - this.lastResultsPage = resultsPage; - } - - // -------- Activation Functions - - // Activates or deactivates the search panel, resetting things to - // their default values if necessary. - this.Activate = function(isActive) - { - if (isActive || // open it - this.DOMPopupSearchResultsWindow().style.display == 'block' - ) - { - this.DOMSearchBox().className = 'MSearchBoxActive'; - - var searchField = this.DOMSearchField(); - - if (searchField.value == this.searchLabel) // clear "Search" term upon entry - { - searchField.value = ''; - this.searchActive = true; - } - } - else if (!isActive) // directly remove the panel - { - this.DOMSearchBox().className = 'MSearchBoxInactive'; - this.DOMSearchField().value = this.searchLabel; - this.searchActive = false; - this.lastSearchValue = '' - this.lastResultsPage = ''; - } - } -} - -// ----------------------------------------------------------------------- - -// The class that handles everything on the search results page. -function SearchResults(name) -{ - // The number of matches from the last run of <Search()>. - this.lastMatchCount = 0; - this.lastKey = 0; - this.repeatOn = false; - - // Toggles the visibility of the passed element ID. - this.FindChildElement = function(id) - { - var parentElement = document.getElementById(id); - var element = parentElement.firstChild; - - while (element && element!=parentElement) - { - if (element.nodeName == 'DIV' && element.className == 'SRChildren') - { - return element; - } - - if (element.nodeName == 'DIV' && element.hasChildNodes()) - { - element = element.firstChild; - } - else if (element.nextSibling) - { - element = element.nextSibling; - } - else - { - do - { - element = element.parentNode; - } - while (element && element!=parentElement && !element.nextSibling); - - if (element && element!=parentElement) - { - element = element.nextSibling; - } - } - } - } - - this.Toggle = function(id) - { - var element = this.FindChildElement(id); - if (element) - { - if (element.style.display == 'block') - { - element.style.display = 'none'; - } - else - { - element.style.display = 'block'; - } - } - } - - // Searches for the passed string. If there is no parameter, - // it takes it from the URL query. - // - // Always returns true, since other documents may try to call it - // and that may or may not be possible. - this.Search = function(search) - { - if (!search) // get search word from URL - { - search = window.location.search; - search = search.substring(1); // Remove the leading '?' - search = unescape(search); - } - - search = search.replace(/^ +/, ""); // strip leading spaces - search = search.replace(/ +$/, ""); // strip trailing spaces - search = search.toLowerCase(); - search = convertToId(search); - - var resultRows = document.getElementsByTagName("div"); - var matches = 0; - - var i = 0; - while (i < resultRows.length) - { - var row = resultRows.item(i); - if (row.className == "SRResult") - { - var rowMatchName = row.id.toLowerCase(); - rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_' - - if (search.length<=rowMatchName.length && - rowMatchName.substr(0, search.length)==search) - { - row.style.display = 'block'; - matches++; - } - else - { - row.style.display = 'none'; - } - } - i++; - } - document.getElementById("Searching").style.display='none'; - if (matches == 0) // no results - { - document.getElementById("NoMatches").style.display='block'; - } - else // at least one result - { - document.getElementById("NoMatches").style.display='none'; - } - this.lastMatchCount = matches; - return true; - } - - // return the first item with index index or higher that is visible - this.NavNext = function(index) - { - var focusItem; - while (1) - { - var focusName = 'Item'+index; - focusItem = document.getElementById(focusName); - if (focusItem && focusItem.parentNode.parentNode.style.display=='block') - { - break; - } - else if (!focusItem) // last element - { - break; - } - focusItem=null; - index++; - } - return focusItem; - } - - this.NavPrev = function(index) - { - var focusItem; - while (1) - { - var focusName = 'Item'+index; - focusItem = document.getElementById(focusName); - if (focusItem && focusItem.parentNode.parentNode.style.display=='block') - { - break; - } - else if (!focusItem) // last element - { - break; - } - focusItem=null; - index--; - } - return focusItem; - } - - this.ProcessKeys = function(e) - { - if (e.type == "keydown") - { - this.repeatOn = false; - this.lastKey = e.keyCode; - } - else if (e.type == "keypress") - { - if (!this.repeatOn) - { - if (this.lastKey) this.repeatOn = true; - return false; // ignore first keypress after keydown - } - } - else if (e.type == "keyup") - { - this.lastKey = 0; - this.repeatOn = false; - } - return this.lastKey!=0; - } - - this.Nav = function(evt,itemIndex) - { - var e = (evt) ? evt : window.event; // for IE - if (e.keyCode==13) return true; - if (!this.ProcessKeys(e)) return false; - - if (this.lastKey==38) // Up - { - var newIndex = itemIndex-1; - var focusItem = this.NavPrev(newIndex); - if (focusItem) - { - var child = this.FindChildElement(focusItem.parentNode.parentNode.id); - if (child && child.style.display == 'block') // children visible - { - var n=0; - var tmpElem; - while (1) // search for last child - { - tmpElem = document.getElementById('Item'+newIndex+'_c'+n); - if (tmpElem) - { - focusItem = tmpElem; - } - else // found it! - { - break; - } - n++; - } - } - } - if (focusItem) - { - focusItem.focus(); - } - else // return focus to search field - { - parent.document.getElementById("MSearchField").focus(); - } - } - else if (this.lastKey==40) // Down - { - var newIndex = itemIndex+1; - var focusItem; - var item = document.getElementById('Item'+itemIndex); - var elem = this.FindChildElement(item.parentNode.parentNode.id); - if (elem && elem.style.display == 'block') // children visible - { - focusItem = document.getElementById('Item'+itemIndex+'_c0'); - } - if (!focusItem) focusItem = this.NavNext(newIndex); - if (focusItem) focusItem.focus(); - } - else if (this.lastKey==39) // Right - { - var item = document.getElementById('Item'+itemIndex); - var elem = this.FindChildElement(item.parentNode.parentNode.id); - if (elem) elem.style.display = 'block'; - } - else if (this.lastKey==37) // Left - { - var item = document.getElementById('Item'+itemIndex); - var elem = this.FindChildElement(item.parentNode.parentNode.id); - if (elem) elem.style.display = 'none'; - } - else if (this.lastKey==27) // Escape - { - parent.searchBox.CloseResultsWindow(); - parent.document.getElementById("MSearchField").focus(); - } - else if (this.lastKey==13) // Enter - { - return true; - } - return false; - } - - this.NavChild = function(evt,itemIndex,childIndex) - { - var e = (evt) ? evt : window.event; // for IE - if (e.keyCode==13) return true; - if (!this.ProcessKeys(e)) return false; - - if (this.lastKey==38) // Up - { - if (childIndex>0) - { - var newIndex = childIndex-1; - document.getElementById('Item'+itemIndex+'_c'+newIndex).focus(); - } - else // already at first child, jump to parent - { - document.getElementById('Item'+itemIndex).focus(); - } - } - else if (this.lastKey==40) // Down - { - var newIndex = childIndex+1; - var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex); - if (!elem) // last child, jump to parent next parent - { - elem = this.NavNext(itemIndex+1); - } - if (elem) - { - elem.focus(); - } - } - else if (this.lastKey==27) // Escape - { - parent.searchBox.CloseResultsWindow(); - parent.document.getElementById("MSearchField").focus(); - } - else if (this.lastKey==13) // Enter - { - return true; - } - return false; - } -} - -function setKeyActions(elem,action) -{ - elem.setAttribute('onkeydown',action); - elem.setAttribute('onkeypress',action); - elem.setAttribute('onkeyup',action); -} - -function setClassAttr(elem,attr) -{ - elem.setAttribute('class',attr); - elem.setAttribute('className',attr); -} - -function createResults() -{ - var results = document.getElementById("SRResults"); - for (var e=0; e<searchData.length; e++) - { - var id = searchData[e][0]; - var srResult = document.createElement('div'); - srResult.setAttribute('id','SR_'+id); - setClassAttr(srResult,'SRResult'); - var srEntry = document.createElement('div'); - setClassAttr(srEntry,'SREntry'); - var srLink = document.createElement('a'); - srLink.setAttribute('id','Item'+e); - setKeyActions(srLink,'return searchResults.Nav(event,'+e+')'); - setClassAttr(srLink,'SRSymbol'); - srLink.innerHTML = searchData[e][1][0]; - srEntry.appendChild(srLink); - if (searchData[e][1].length==2) // single result - { - srLink.setAttribute('href',searchData[e][1][1][0]); - if (searchData[e][1][1][1]) - { - srLink.setAttribute('target','_parent'); - } - var srScope = document.createElement('span'); - setClassAttr(srScope,'SRScope'); - srScope.innerHTML = searchData[e][1][1][2]; - srEntry.appendChild(srScope); - } - else // multiple results - { - srLink.setAttribute('href','javascript:searchResults.Toggle("SR_'+id+'")'); - var srChildren = document.createElement('div'); - setClassAttr(srChildren,'SRChildren'); - for (var c=0; c<searchData[e][1].length-1; c++) - { - var srChild = document.createElement('a'); - srChild.setAttribute('id','Item'+e+'_c'+c); - setKeyActions(srChild,'return searchResults.NavChild(event,'+e+','+c+')'); - setClassAttr(srChild,'SRScope'); - srChild.setAttribute('href',searchData[e][1][c+1][0]); - if (searchData[e][1][c+1][1]) - { - srChild.setAttribute('target','_parent'); - } - srChild.innerHTML = searchData[e][1][c+1][2]; - srChildren.appendChild(srChild); - } - srEntry.appendChild(srChildren); - } - srResult.appendChild(srEntry); - results.appendChild(srResult); - } -} - |