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807 lines
22 KiB
807 lines
22 KiB
// Search script generated by doxygen |
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// Copyright (C) 2009 by Dimitri van Heesch. |
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|
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// The code in this file is loosly based on main.js, part of Natural Docs, |
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// which is Copyright (C) 2003-2008 Greg Valure |
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// Natural Docs is licensed under the GPL. |
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|
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var indexSectionsWithContent = |
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{ |
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0: "abcdefghijlmnoprstuvw", |
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1: "acdlmpstuv", |
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2: "t", |
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3: "acdehjlmprstuv", |
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4: "acdeghijlmpstuvw", |
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5: "acdefghilmnoprstuvw", |
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6: "ctu", |
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7: "abcdhpsw" |
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}; |
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var indexSectionNames = |
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{ |
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0: "all", |
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1: "classes", |
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2: "namespaces", |
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3: "files", |
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4: "functions", |
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5: "variables", |
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6: "typedefs", |
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7: "defines" |
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}; |
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function convertToId(search) |
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{ |
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var result = ''; |
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for (i=0;i<search.length;i++) |
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{ |
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var c = search.charAt(i); |
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var cn = c.charCodeAt(0); |
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if (c.match(/[a-z0-9\u0080-\uFFFF]/)) |
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{ |
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result+=c; |
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} |
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else if (cn<16) |
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{ |
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result+="_0"+cn.toString(16); |
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} |
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else |
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{ |
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result+="_"+cn.toString(16); |
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} |
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} |
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return result; |
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} |
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function getXPos(item) |
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{ |
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var x = 0; |
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if (item.offsetWidth) |
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{ |
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while (item && item!=document.body) |
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{ |
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x += item.offsetLeft; |
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item = item.offsetParent; |
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} |
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} |
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return x; |
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} |
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function getYPos(item) |
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{ |
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var y = 0; |
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if (item.offsetWidth) |
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{ |
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while (item && item!=document.body) |
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{ |
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y += item.offsetTop; |
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item = item.offsetParent; |
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} |
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} |
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return y; |
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} |
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/* A class handling everything associated with the search panel. |
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Parameters: |
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name - The name of the global variable that will be |
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storing this instance. Is needed to be able to set timeouts. |
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resultPath - path to use for external files |
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*/ |
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function SearchBox(name, resultsPath, inFrame, label) |
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{ |
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if (!name || !resultsPath) { alert("Missing parameters to SearchBox."); } |
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|
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// ---------- Instance variables |
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this.name = name; |
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this.resultsPath = resultsPath; |
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this.keyTimeout = 0; |
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this.keyTimeoutLength = 500; |
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this.closeSelectionTimeout = 300; |
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this.lastSearchValue = ""; |
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this.lastResultsPage = ""; |
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this.hideTimeout = 0; |
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this.searchIndex = 0; |
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this.searchActive = false; |
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this.insideFrame = inFrame; |
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this.searchLabel = label; |
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// ----------- DOM Elements |
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this.DOMSearchField = function() |
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{ return document.getElementById("MSearchField"); } |
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this.DOMSearchSelect = function() |
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{ return document.getElementById("MSearchSelect"); } |
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this.DOMSearchSelectWindow = function() |
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{ return document.getElementById("MSearchSelectWindow"); } |
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this.DOMPopupSearchResults = function() |
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{ return document.getElementById("MSearchResults"); } |
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this.DOMPopupSearchResultsWindow = function() |
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{ return document.getElementById("MSearchResultsWindow"); } |
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this.DOMSearchClose = function() |
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{ return document.getElementById("MSearchClose"); } |
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this.DOMSearchBox = function() |
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{ return document.getElementById("MSearchBox"); } |
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|
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// ------------ Event Handlers |
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// Called when focus is added or removed from the search field. |
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this.OnSearchFieldFocus = function(isActive) |
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{ |
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this.Activate(isActive); |
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} |
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this.OnSearchSelectShow = function() |
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{ |
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var searchSelectWindow = this.DOMSearchSelectWindow(); |
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var searchField = this.DOMSearchSelect(); |
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if (this.insideFrame) |
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{ |
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var left = getXPos(searchField); |
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var top = getYPos(searchField); |
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left += searchField.offsetWidth + 6; |
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top += searchField.offsetHeight; |
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// show search selection popup |
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searchSelectWindow.style.display='block'; |
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left -= searchSelectWindow.offsetWidth; |
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searchSelectWindow.style.left = left + 'px'; |
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searchSelectWindow.style.top = top + 'px'; |
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} |
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else |
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{ |
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var left = getXPos(searchField); |
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var top = getYPos(searchField); |
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top += searchField.offsetHeight; |
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// show search selection popup |
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searchSelectWindow.style.display='block'; |
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searchSelectWindow.style.left = left + 'px'; |
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searchSelectWindow.style.top = top + 'px'; |
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} |
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// stop selection hide timer |
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if (this.hideTimeout) |
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{ |
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clearTimeout(this.hideTimeout); |
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this.hideTimeout=0; |
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} |
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return false; // to avoid "image drag" default event |
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} |
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this.OnSearchSelectHide = function() |
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{ |
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this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()", |
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this.closeSelectionTimeout); |
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} |
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// Called when the content of the search field is changed. |
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this.OnSearchFieldChange = function(evt) |
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{ |
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if (this.keyTimeout) // kill running timer |
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{ |
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clearTimeout(this.keyTimeout); |
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this.keyTimeout = 0; |
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} |
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var e = (evt) ? evt : window.event; // for IE |
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if (e.keyCode==40 || e.keyCode==13) |
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{ |
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if (e.shiftKey==1) |
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{ |
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this.OnSearchSelectShow(); |
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var win=this.DOMSearchSelectWindow(); |
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for (i=0;i<win.childNodes.length;i++) |
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{ |
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var child = win.childNodes[i]; // get span within a |
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if (child.className=='SelectItem') |
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{ |
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child.focus(); |
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return; |
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} |
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} |
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return; |
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} |
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else if (window.frames.MSearchResults.searchResults) |
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{ |
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var elem = window.frames.MSearchResults.searchResults.NavNext(0); |
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if (elem) elem.focus(); |
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} |
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} |
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else if (e.keyCode==27) // Escape out of the search field |
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{ |
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this.DOMSearchField().blur(); |
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this.DOMPopupSearchResultsWindow().style.display = 'none'; |
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this.DOMSearchClose().style.display = 'none'; |
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this.lastSearchValue = ''; |
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this.Activate(false); |
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return; |
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} |
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// strip whitespaces |
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var searchValue = this.DOMSearchField().value.replace(/ +/g, ""); |
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if (searchValue != this.lastSearchValue) // search value has changed |
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{ |
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if (searchValue != "") // non-empty search |
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{ |
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// set timer for search update |
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this.keyTimeout = setTimeout(this.name + '.Search()', |
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this.keyTimeoutLength); |
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} |
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else // empty search field |
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{ |
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this.DOMPopupSearchResultsWindow().style.display = 'none'; |
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this.DOMSearchClose().style.display = 'none'; |
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this.lastSearchValue = ''; |
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} |
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} |
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} |
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this.SelectItemCount = function(id) |
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{ |
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var count=0; |
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var win=this.DOMSearchSelectWindow(); |
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for (i=0;i<win.childNodes.length;i++) |
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{ |
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var child = win.childNodes[i]; // get span within a |
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if (child.className=='SelectItem') |
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{ |
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count++; |
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} |
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} |
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return count; |
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} |
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this.SelectItemSet = function(id) |
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{ |
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var i,j=0; |
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var win=this.DOMSearchSelectWindow(); |
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for (i=0;i<win.childNodes.length;i++) |
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{ |
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var child = win.childNodes[i]; // get span within a |
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if (child.className=='SelectItem') |
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{ |
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var node = child.firstChild; |
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if (j==id) |
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{ |
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node.innerHTML='•'; |
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} |
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else |
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{ |
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node.innerHTML=' '; |
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} |
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j++; |
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} |
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} |
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} |
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// Called when an search filter selection is made. |
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// set item with index id as the active item |
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this.OnSelectItem = function(id) |
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{ |
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this.searchIndex = id; |
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this.SelectItemSet(id); |
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var searchValue = this.DOMSearchField().value.replace(/ +/g, ""); |
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if (searchValue!="" && this.searchActive) // something was found -> do a search |
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{ |
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this.Search(); |
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} |
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} |
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this.OnSearchSelectKey = function(evt) |
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{ |
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var e = (evt) ? evt : window.event; // for IE |
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if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down |
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{ |
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this.searchIndex++; |
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this.OnSelectItem(this.searchIndex); |
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} |
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else if (e.keyCode==38 && this.searchIndex>0) // Up |
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{ |
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this.searchIndex--; |
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this.OnSelectItem(this.searchIndex); |
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} |
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else if (e.keyCode==13 || e.keyCode==27) |
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{ |
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this.OnSelectItem(this.searchIndex); |
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this.CloseSelectionWindow(); |
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this.DOMSearchField().focus(); |
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} |
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return false; |
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} |
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// --------- Actions |
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// Closes the results window. |
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this.CloseResultsWindow = function() |
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{ |
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this.DOMPopupSearchResultsWindow().style.display = 'none'; |
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this.DOMSearchClose().style.display = 'none'; |
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this.Activate(false); |
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} |
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this.CloseSelectionWindow = function() |
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{ |
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this.DOMSearchSelectWindow().style.display = 'none'; |
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} |
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// Performs a search. |
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this.Search = function() |
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{ |
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this.keyTimeout = 0; |
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// strip leading whitespace |
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var searchValue = this.DOMSearchField().value.replace(/^ +/, ""); |
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var code = searchValue.toLowerCase().charCodeAt(0); |
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var idxChar = searchValue.substr(0, 1).toLowerCase(); |
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if ( 0xD800 <= code && code <= 0xDBFF && searchValue > 1) // surrogate pair |
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{ |
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idxChar = searchValue.substr(0, 2); |
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} |
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var resultsPage; |
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var resultsPageWithSearch; |
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var hasResultsPage; |
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var idx = indexSectionsWithContent[this.searchIndex].indexOf(idxChar); |
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if (idx!=-1) |
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{ |
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var hexCode=idx.toString(16); |
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resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html'; |
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resultsPageWithSearch = resultsPage+'?'+escape(searchValue); |
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hasResultsPage = true; |
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} |
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else // nothing available for this search term |
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{ |
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resultsPage = this.resultsPath + '/nomatches.html'; |
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resultsPageWithSearch = resultsPage; |
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hasResultsPage = false; |
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} |
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window.frames.MSearchResults.location = resultsPageWithSearch; |
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var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow(); |
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if (domPopupSearchResultsWindow.style.display!='block') |
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{ |
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var domSearchBox = this.DOMSearchBox(); |
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this.DOMSearchClose().style.display = 'inline'; |
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if (this.insideFrame) |
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{ |
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var domPopupSearchResults = this.DOMPopupSearchResults(); |
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domPopupSearchResultsWindow.style.position = 'relative'; |
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domPopupSearchResultsWindow.style.display = 'block'; |
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var width = document.body.clientWidth - 8; // the -8 is for IE :-( |
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domPopupSearchResultsWindow.style.width = width + 'px'; |
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domPopupSearchResults.style.width = width + 'px'; |
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} |
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else |
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{ |
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var domPopupSearchResults = this.DOMPopupSearchResults(); |
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var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth; |
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var top = getYPos(domSearchBox) + 20; // domSearchBox.offsetHeight + 1; |
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domPopupSearchResultsWindow.style.display = 'block'; |
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left -= domPopupSearchResults.offsetWidth; |
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domPopupSearchResultsWindow.style.top = top + 'px'; |
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domPopupSearchResultsWindow.style.left = left + 'px'; |
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} |
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} |
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this.lastSearchValue = searchValue; |
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this.lastResultsPage = resultsPage; |
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} |
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// -------- Activation Functions |
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// Activates or deactivates the search panel, resetting things to |
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// their default values if necessary. |
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this.Activate = function(isActive) |
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{ |
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if (isActive || // open it |
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this.DOMPopupSearchResultsWindow().style.display == 'block' |
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) |
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{ |
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this.DOMSearchBox().className = 'MSearchBoxActive'; |
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var searchField = this.DOMSearchField(); |
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if (searchField.value == this.searchLabel) // clear "Search" term upon entry |
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{ |
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searchField.value = ''; |
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this.searchActive = true; |
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} |
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} |
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else if (!isActive) // directly remove the panel |
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{ |
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this.DOMSearchBox().className = 'MSearchBoxInactive'; |
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this.DOMSearchField().value = this.searchLabel; |
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this.searchActive = false; |
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this.lastSearchValue = '' |
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this.lastResultsPage = ''; |
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} |
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} |
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} |
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// ----------------------------------------------------------------------- |
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// The class that handles everything on the search results page. |
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function SearchResults(name) |
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{ |
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// The number of matches from the last run of <Search()>. |
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this.lastMatchCount = 0; |
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this.lastKey = 0; |
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this.repeatOn = false; |
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// Toggles the visibility of the passed element ID. |
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this.FindChildElement = function(id) |
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{ |
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var parentElement = document.getElementById(id); |
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var element = parentElement.firstChild; |
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while (element && element!=parentElement) |
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{ |
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if (element.nodeName == 'DIV' && element.className == 'SRChildren') |
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{ |
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return element; |
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} |
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if (element.nodeName == 'DIV' && element.hasChildNodes()) |
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{ |
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element = element.firstChild; |
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} |
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else if (element.nextSibling) |
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{ |
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element = element.nextSibling; |
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} |
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else |
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{ |
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do |
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{ |
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element = element.parentNode; |
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} |
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while (element && element!=parentElement && !element.nextSibling); |
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if (element && element!=parentElement) |
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{ |
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element = element.nextSibling; |
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} |
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} |
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} |
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} |
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this.Toggle = function(id) |
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{ |
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var element = this.FindChildElement(id); |
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if (element) |
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{ |
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if (element.style.display == 'block') |
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{ |
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element.style.display = 'none'; |
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} |
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else |
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{ |
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element.style.display = 'block'; |
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} |
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} |
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} |
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// Searches for the passed string. If there is no parameter, |
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// it takes it from the URL query. |
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// |
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// Always returns true, since other documents may try to call it |
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// and that may or may not be possible. |
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this.Search = function(search) |
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{ |
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if (!search) // get search word from URL |
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{ |
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search = window.location.search; |
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search = search.substring(1); // Remove the leading '?' |
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search = unescape(search); |
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} |
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search = search.replace(/^ +/, ""); // strip leading spaces |
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search = search.replace(/ +$/, ""); // strip trailing spaces |
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search = search.toLowerCase(); |
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search = convertToId(search); |
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var resultRows = document.getElementsByTagName("div"); |
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var matches = 0; |
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var i = 0; |
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while (i < resultRows.length) |
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{ |
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var row = resultRows.item(i); |
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if (row.className == "SRResult") |
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{ |
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var rowMatchName = row.id.toLowerCase(); |
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rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_' |
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if (search.length<=rowMatchName.length && |
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rowMatchName.substr(0, search.length)==search) |
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{ |
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row.style.display = 'block'; |
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matches++; |
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} |
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else |
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{ |
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row.style.display = 'none'; |
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} |
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} |
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i++; |
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} |
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document.getElementById("Searching").style.display='none'; |
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if (matches == 0) // no results |
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{ |
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document.getElementById("NoMatches").style.display='block'; |
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} |
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else // at least one result |
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{ |
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document.getElementById("NoMatches").style.display='none'; |
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} |
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this.lastMatchCount = matches; |
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return true; |
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} |
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// return the first item with index index or higher that is visible |
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this.NavNext = function(index) |
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{ |
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var focusItem; |
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while (1) |
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{ |
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var focusName = 'Item'+index; |
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focusItem = document.getElementById(focusName); |
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if (focusItem && focusItem.parentNode.parentNode.style.display=='block') |
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{ |
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break; |
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} |
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else if (!focusItem) // last element |
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{ |
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break; |
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} |
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focusItem=null; |
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index++; |
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} |
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return focusItem; |
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} |
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this.NavPrev = function(index) |
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{ |
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var focusItem; |
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while (1) |
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{ |
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var focusName = 'Item'+index; |
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focusItem = document.getElementById(focusName); |
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if (focusItem && focusItem.parentNode.parentNode.style.display=='block') |
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{ |
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break; |
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} |
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else if (!focusItem) // last element |
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{ |
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break; |
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} |
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focusItem=null; |
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index--; |
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} |
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return focusItem; |
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} |
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this.ProcessKeys = function(e) |
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{ |
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if (e.type == "keydown") |
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{ |
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this.repeatOn = false; |
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this.lastKey = e.keyCode; |
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} |
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else if (e.type == "keypress") |
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{ |
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if (!this.repeatOn) |
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{ |
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if (this.lastKey) this.repeatOn = true; |
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return false; // ignore first keypress after keydown |
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} |
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} |
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else if (e.type == "keyup") |
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{ |
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this.lastKey = 0; |
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this.repeatOn = false; |
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} |
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return this.lastKey!=0; |
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} |
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this.Nav = function(evt,itemIndex) |
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{ |
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var e = (evt) ? evt : window.event; // for IE |
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if (e.keyCode==13) return true; |
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if (!this.ProcessKeys(e)) return false; |
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|
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if (this.lastKey==38) // Up |
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{ |
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var newIndex = itemIndex-1; |
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var focusItem = this.NavPrev(newIndex); |
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if (focusItem) |
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{ |
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var child = this.FindChildElement(focusItem.parentNode.parentNode.id); |
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if (child && child.style.display == 'block') // children visible |
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{ |
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var n=0; |
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var tmpElem; |
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while (1) // search for last child |
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{ |
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tmpElem = document.getElementById('Item'+newIndex+'_c'+n); |
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if (tmpElem) |
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{ |
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focusItem = tmpElem; |
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} |
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else // found it! |
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{ |
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break; |
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} |
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n++; |
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} |
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} |
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} |
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if (focusItem) |
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{ |
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focusItem.focus(); |
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} |
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else // return focus to search field |
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{ |
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parent.document.getElementById("MSearchField").focus(); |
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} |
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} |
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else if (this.lastKey==40) // Down |
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{ |
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var newIndex = itemIndex+1; |
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var focusItem; |
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var item = document.getElementById('Item'+itemIndex); |
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var elem = this.FindChildElement(item.parentNode.parentNode.id); |
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if (elem && elem.style.display == 'block') // children visible |
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{ |
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focusItem = document.getElementById('Item'+itemIndex+'_c0'); |
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} |
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if (!focusItem) focusItem = this.NavNext(newIndex); |
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if (focusItem) focusItem.focus(); |
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} |
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else if (this.lastKey==39) // Right |
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{ |
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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); |
|
} |
|
} |
|
|
|
|