| 1 | // Search script generated by doxygen |
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| 2 | // Copyright (C) 2009 by Dimitri van Heesch. |
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| 3 | |
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| 4 | // The code in this file is loosly based on main.js, part of Natural Docs, |
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| 5 | // which is Copyright (C) 2003-2008 Greg Valure |
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| 6 | // Natural Docs is licensed under the GPL. |
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| 7 | |
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| 8 | var indexSectionsWithContent = |
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| 9 | { |
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| 10 | 0: "000000000000000000000000000000000000000000000000000000000000000001111111111111111111111111100000", |
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| 11 | 1: "000000000000000000000000000000000000000000000000000000000000000001011111010101111101111100000000", |
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| 12 | 2: "000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000", |
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| 13 | 3: "000000000000000000000000000000000000000000000000000000000000000000001001000001011111101000000000", |
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| 14 | 4: "000000000000000000000000000000000000000000000000000000000000000001111111111111111111111111100000", |
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| 15 | 5: "000000000000000000000000000000000000000000000000000000000000000001010000000001101000000000000000", |
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| 16 | 6: "000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000", |
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| 17 | 7: "000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000", |
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| 18 | 8: "000000000000000000000000000000000000000000000000000000000000000000000000000010100010000000000000", |
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| 19 | 9: "000000000000000000000000000000000000000000000000000000000000000001101000010001011100101000100000" |
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| 20 | }; |
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| 21 | |
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| 22 | var indexSectionNames = |
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| 23 | { |
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| 24 | 0: "all", |
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| 25 | 1: "classes", |
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| 26 | 2: "namespaces", |
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| 27 | 3: "files", |
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| 28 | 4: "functions", |
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| 29 | 5: "variables", |
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| 30 | 6: "typedefs", |
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| 31 | 7: "enums", |
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| 32 | 8: "enumvalues", |
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| 33 | 9: "defines" |
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| 34 | }; |
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| 35 | |
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| 36 | function convertToId(search) |
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| 37 | { |
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| 38 | var result = ''; |
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| 39 | for (i=0;i<search.length;i++) |
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| 40 | { |
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| 41 | var c = search.charAt(i); |
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| 42 | var cn = c.charCodeAt(0); |
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| 43 | if (c.match(/[a-z0-9]/)) |
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| 44 | { |
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| 45 | result+=c; |
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| 46 | } |
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| 47 | else if (cn<16) |
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| 48 | { |
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| 49 | result+="_0"+cn.toString(16); |
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| 50 | } |
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| 51 | else |
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| 52 | { |
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| 53 | result+="_"+cn.toString(16); |
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| 54 | } |
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| 55 | } |
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| 56 | return result; |
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| 57 | } |
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| 58 | |
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| 59 | function getXPos(item) |
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| 60 | { |
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| 61 | var x = 0; |
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| 62 | if (item.offsetWidth) |
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| 63 | { |
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| 64 | while (item && item!=document.body) |
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| 65 | { |
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| 66 | x += item.offsetLeft; |
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| 67 | item = item.offsetParent; |
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| 68 | } |
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| 69 | } |
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| 70 | return x; |
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| 71 | } |
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| 72 | |
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| 73 | function getYPos(item) |
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| 74 | { |
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| 75 | var y = 0; |
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| 76 | if (item.offsetWidth) |
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| 77 | { |
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| 78 | while (item && item!=document.body) |
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| 79 | { |
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| 80 | y += item.offsetTop; |
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| 81 | item = item.offsetParent; |
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| 82 | } |
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| 83 | } |
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| 84 | return y; |
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| 85 | } |
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| 86 | |
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| 87 | /* A class handling everything associated with the search panel. |
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| 88 | |
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| 89 | Parameters: |
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| 90 | name - The name of the global variable that will be |
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| 91 | storing this instance. Is needed to be able to set timeouts. |
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| 92 | resultPath - path to use for external files |
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| 93 | */ |
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| 94 | function SearchBox(name, resultsPath, inFrame, label) |
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| 95 | { |
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| 96 | if (!name || !resultsPath) { alert("Missing parameters to SearchBox."); } |
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| 97 | |
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| 98 | // ---------- Instance variables |
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| 99 | this.name = name; |
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| 100 | this.resultsPath = resultsPath; |
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| 101 | this.keyTimeout = 0; |
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| 102 | this.keyTimeoutLength = 500; |
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| 103 | this.closeSelectionTimeout = 300; |
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| 104 | this.lastSearchValue = ""; |
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| 105 | this.lastResultsPage = ""; |
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| 106 | this.hideTimeout = 0; |
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| 107 | this.searchIndex = 0; |
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| 108 | this.searchActive = false; |
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| 109 | this.insideFrame = inFrame; |
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| 110 | this.searchLabel = label; |
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| 111 | |
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| 112 | // ----------- DOM Elements |
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| 113 | |
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| 114 | this.DOMSearchField = function() |
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| 115 | { return document.getElementById("MSearchField"); } |
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| 116 | |
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| 117 | this.DOMSearchSelect = function() |
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| 118 | { return document.getElementById("MSearchSelect"); } |
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| 119 | |
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| 120 | this.DOMSearchSelectWindow = function() |
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| 121 | { return document.getElementById("MSearchSelectWindow"); } |
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| 122 | |
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| 123 | this.DOMPopupSearchResults = function() |
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| 124 | { return document.getElementById("MSearchResults"); } |
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| 125 | |
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| 126 | this.DOMPopupSearchResultsWindow = function() |
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| 127 | { return document.getElementById("MSearchResultsWindow"); } |
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| 128 | |
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| 129 | this.DOMSearchClose = function() |
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| 130 | { return document.getElementById("MSearchClose"); } |
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| 131 | |
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| 132 | this.DOMSearchBox = function() |
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| 133 | { return document.getElementById("MSearchBox"); } |
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| 134 | |
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| 135 | // ------------ Event Handlers |
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| 136 | |
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| 137 | // Called when focus is added or removed from the search field. |
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| 138 | this.OnSearchFieldFocus = function(isActive) |
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| 139 | { |
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| 140 | this.Activate(isActive); |
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| 141 | } |
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| 142 | |
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| 143 | this.OnSearchSelectShow = function() |
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| 144 | { |
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| 145 | var searchSelectWindow = this.DOMSearchSelectWindow(); |
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| 146 | var searchField = this.DOMSearchSelect(); |
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| 147 | |
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| 148 | if (this.insideFrame) |
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| 149 | { |
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| 150 | var left = getXPos(searchField); |
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| 151 | var top = getYPos(searchField); |
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| 152 | left += searchField.offsetWidth + 6; |
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| 153 | top += searchField.offsetHeight; |
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| 154 | |
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| 155 | // show search selection popup |
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| 156 | searchSelectWindow.style.display='block'; |
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| 157 | left -= searchSelectWindow.offsetWidth; |
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| 158 | searchSelectWindow.style.left = left + 'px'; |
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| 159 | searchSelectWindow.style.top = top + 'px'; |
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| 160 | } |
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| 161 | else |
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| 162 | { |
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| 163 | var left = getXPos(searchField); |
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| 164 | var top = getYPos(searchField); |
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| 165 | top += searchField.offsetHeight; |
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| 166 | |
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| 167 | // show search selection popup |
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| 168 | searchSelectWindow.style.display='block'; |
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| 169 | searchSelectWindow.style.left = left + 'px'; |
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| 170 | searchSelectWindow.style.top = top + 'px'; |
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| 171 | } |
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| 172 | |
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| 173 | // stop selection hide timer |
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| 174 | if (this.hideTimeout) |
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| 175 | { |
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| 176 | clearTimeout(this.hideTimeout); |
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| 177 | this.hideTimeout=0; |
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| 178 | } |
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| 179 | return false; // to avoid "image drag" default event |
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| 180 | } |
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| 181 | |
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| 182 | this.OnSearchSelectHide = function() |
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| 183 | { |
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| 184 | this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()", |
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| 185 | this.closeSelectionTimeout); |
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| 186 | } |
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| 187 | |
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| 188 | // Called when the content of the search field is changed. |
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| 189 | this.OnSearchFieldChange = function(evt) |
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| 190 | { |
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| 191 | if (this.keyTimeout) // kill running timer |
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| 192 | { |
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| 193 | clearTimeout(this.keyTimeout); |
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| 194 | this.keyTimeout = 0; |
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| 195 | } |
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| 196 | |
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| 197 | var e = (evt) ? evt : window.event; // for IE |
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| 198 | if (e.keyCode==40 || e.keyCode==13) |
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| 199 | { |
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| 200 | if (e.shiftKey==1) |
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| 201 | { |
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| 202 | this.OnSearchSelectShow(); |
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| 203 | var win=this.DOMSearchSelectWindow(); |
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| 204 | for (i=0;i<win.childNodes.length;i++) |
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| 205 | { |
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| 206 | var child = win.childNodes[i]; // get span within a |
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| 207 | if (child.className=='SelectItem') |
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| 208 | { |
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| 209 | child.focus(); |
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| 210 | return; |
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| 211 | } |
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| 212 | } |
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| 213 | return; |
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| 214 | } |
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| 215 | else if (window.frames.MSearchResults.searchResults) |
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| 216 | { |
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| 217 | var elem = window.frames.MSearchResults.searchResults.NavNext(0); |
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| 218 | if (elem) elem.focus(); |
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| 219 | } |
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| 220 | } |
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| 221 | else if (e.keyCode==27) // Escape out of the search field |
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| 222 | { |
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| 223 | this.DOMSearchField().blur(); |
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| 224 | this.DOMPopupSearchResultsWindow().style.display = 'none'; |
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| 225 | this.DOMSearchClose().style.display = 'none'; |
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| 226 | this.lastSearchValue = ''; |
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| 227 | this.Activate(false); |
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| 228 | return; |
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| 229 | } |
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| 230 | |
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| 231 | // strip whitespaces |
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| 232 | var searchValue = this.DOMSearchField().value.replace(/ +/g, ""); |
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| 233 | |
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| 234 | if (searchValue != this.lastSearchValue) // search value has changed |
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| 235 | { |
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| 236 | if (searchValue != "") // non-empty search |
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| 237 | { |
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| 238 | // set timer for search update |
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| 239 | this.keyTimeout = setTimeout(this.name + '.Search()', |
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| 240 | this.keyTimeoutLength); |
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| 241 | } |
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| 242 | else // empty search field |
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| 243 | { |
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| 244 | this.DOMPopupSearchResultsWindow().style.display = 'none'; |
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| 245 | this.DOMSearchClose().style.display = 'none'; |
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| 246 | this.lastSearchValue = ''; |
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| 247 | } |
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| 248 | } |
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| 249 | } |
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| 250 | |
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| 251 | this.SelectItemCount = function(id) |
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| 252 | { |
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| 253 | var count=0; |
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| 254 | var win=this.DOMSearchSelectWindow(); |
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| 255 | for (i=0;i<win.childNodes.length;i++) |
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| 256 | { |
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| 257 | var child = win.childNodes[i]; // get span within a |
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| 258 | if (child.className=='SelectItem') |
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| 259 | { |
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| 260 | count++; |
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| 261 | } |
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| 262 | } |
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| 263 | return count; |
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| 264 | } |
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| 265 | |
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| 266 | this.SelectItemSet = function(id) |
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| 267 | { |
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| 268 | var i,j=0; |
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| 269 | var win=this.DOMSearchSelectWindow(); |
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| 270 | for (i=0;i<win.childNodes.length;i++) |
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| 271 | { |
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| 272 | var child = win.childNodes[i]; // get span within a |
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| 273 | if (child.className=='SelectItem') |
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| 274 | { |
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| 275 | var node = child.firstChild; |
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| 276 | if (j==id) |
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| 277 | { |
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| 278 | node.innerHTML='•'; |
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| 279 | } |
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| 280 | else |
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| 281 | { |
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| 282 | node.innerHTML=' '; |
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| 283 | } |
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| 284 | j++; |
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| 285 | } |
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| 286 | } |
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| 287 | } |
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| 288 | |
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| 289 | // Called when an search filter selection is made. |
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| 290 | // set item with index id as the active item |
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| 291 | this.OnSelectItem = function(id) |
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| 292 | { |
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| 293 | this.searchIndex = id; |
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| 294 | this.SelectItemSet(id); |
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| 295 | var searchValue = this.DOMSearchField().value.replace(/ +/g, ""); |
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| 296 | if (searchValue!="" && this.searchActive) // something was found -> do a search |
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| 297 | { |
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| 298 | this.Search(); |
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| 299 | } |
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| 300 | } |
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| 301 | |
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| 302 | this.OnSearchSelectKey = function(evt) |
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| 303 | { |
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| 304 | var e = (evt) ? evt : window.event; // for IE |
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| 305 | if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down |
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| 306 | { |
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| 307 | this.searchIndex++; |
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| 308 | this.OnSelectItem(this.searchIndex); |
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| 309 | } |
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| 310 | else if (e.keyCode==38 && this.searchIndex>0) // Up |
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| 311 | { |
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| 312 | this.searchIndex--; |
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| 313 | this.OnSelectItem(this.searchIndex); |
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| 314 | } |
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| 315 | else if (e.keyCode==13 || e.keyCode==27) |
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| 316 | { |
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| 317 | this.OnSelectItem(this.searchIndex); |
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| 318 | this.CloseSelectionWindow(); |
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| 319 | this.DOMSearchField().focus(); |
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| 320 | } |
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| 321 | return false; |
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| 322 | } |
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| 323 | |
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| 324 | // --------- Actions |
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| 325 | |
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| 326 | // Closes the results window. |
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| 327 | this.CloseResultsWindow = function() |
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| 328 | { |
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| 329 | this.DOMPopupSearchResultsWindow().style.display = 'none'; |
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| 330 | this.DOMSearchClose().style.display = 'none'; |
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| 331 | this.Activate(false); |
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| 332 | } |
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| 333 | |
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| 334 | this.CloseSelectionWindow = function() |
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| 335 | { |
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| 336 | this.DOMSearchSelectWindow().style.display = 'none'; |
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| 337 | } |
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| 338 | |
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| 339 | // Performs a search. |
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| 340 | this.Search = function() |
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| 341 | { |
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| 342 | this.keyTimeout = 0; |
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| 343 | |
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| 344 | // strip leading whitespace |
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| 345 | var searchValue = this.DOMSearchField().value.replace(/^ +/, ""); |
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| 346 | |
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| 347 | var code = searchValue.toLowerCase().charCodeAt(0); |
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| 348 | var hexCode; |
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| 349 | if (code<16) |
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| 350 | { |
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| 351 | hexCode="0"+code.toString(16); |
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| 352 | } |
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| 353 | else |
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| 354 | { |
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| 355 | hexCode=code.toString(16); |
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| 356 | } |
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| 357 | |
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| 358 | var resultsPage; |
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| 359 | var resultsPageWithSearch; |
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| 360 | var hasResultsPage; |
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| 361 | |
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| 362 | if (indexSectionsWithContent[this.searchIndex].charAt(code-32) == '1') |
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| 363 | { |
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| 364 | resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html'; |
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| 365 | resultsPageWithSearch = resultsPage+'?'+escape(searchValue); |
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| 366 | hasResultsPage = true; |
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| 367 | } |
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| 368 | else // nothing available for this search term |
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| 369 | { |
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| 370 | resultsPage = this.resultsPath + '/nomatches.html'; |
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| 371 | resultsPageWithSearch = resultsPage; |
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| 372 | hasResultsPage = false; |
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| 373 | } |
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| 374 | |
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| 375 | window.frames.MSearchResults.location.href = resultsPageWithSearch; |
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| 376 | var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow(); |
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| 377 | |
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| 378 | if (domPopupSearchResultsWindow.style.display!='block') |
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| 379 | { |
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| 380 | var domSearchBox = this.DOMSearchBox(); |
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| 381 | this.DOMSearchClose().style.display = 'inline'; |
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| 382 | if (this.insideFrame) |
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| 383 | { |
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| 384 | var domPopupSearchResults = this.DOMPopupSearchResults(); |
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| 385 | domPopupSearchResultsWindow.style.position = 'relative'; |
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| 386 | domPopupSearchResultsWindow.style.display = 'block'; |
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| 387 | var width = document.body.clientWidth - 8; // the -8 is for IE :-( |
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| 388 | domPopupSearchResultsWindow.style.width = width + 'px'; |
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| 389 | domPopupSearchResults.style.width = width + 'px'; |
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| 390 | } |
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| 391 | else |
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| 392 | { |
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| 393 | var domPopupSearchResults = this.DOMPopupSearchResults(); |
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| 394 | var left = getXPos(domSearchBox) + domSearchBox.offsetWidth; |
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| 395 | var top = getYPos(domSearchBox) + domSearchBox.offsetHeight + 1; |
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| 396 | domPopupSearchResultsWindow.style.display = 'block'; |
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| 397 | left -= domPopupSearchResults.offsetWidth; |
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| 398 | domPopupSearchResultsWindow.style.top = top + 'px'; |
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| 399 | domPopupSearchResultsWindow.style.left = left + 'px'; |
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| 400 | } |
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| 401 | } |
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| 402 | |
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| 403 | this.lastSearchValue = searchValue; |
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| 404 | this.lastResultsPage = resultsPage; |
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| 405 | } |
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| 406 | |
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| 407 | // -------- Activation Functions |
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| 408 | |
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| 409 | // Activates or deactivates the search panel, resetting things to |
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| 410 | // their default values if necessary. |
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| 411 | this.Activate = function(isActive) |
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| 412 | { |
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| 413 | if (isActive || // open it |
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| 414 | this.DOMPopupSearchResultsWindow().style.display == 'block' |
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| 415 | ) |
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| 416 | { |
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| 417 | this.DOMSearchBox().className = 'MSearchBoxActive'; |
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| 418 | |
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| 419 | var searchField = this.DOMSearchField(); |
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| 420 | |
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| 421 | if (searchField.value == this.searchLabel) // clear "Search" term upon entry |
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| 422 | { |
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| 423 | searchField.value = ''; |
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| 424 | this.searchActive = true; |
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| 425 | } |
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| 426 | } |
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| 427 | else if (!isActive) // directly remove the panel |
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| 428 | { |
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| 429 | this.DOMSearchBox().className = 'MSearchBoxInactive'; |
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| 430 | this.DOMSearchField().value = this.searchLabel; |
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| 431 | this.searchActive = false; |
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| 432 | this.lastSearchValue = '' |
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| 433 | this.lastResultsPage = ''; |
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| 434 | } |
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| 435 | } |
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| 436 | } |
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| 437 | |
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| 438 | // ----------------------------------------------------------------------- |
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| 439 | |
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| 440 | // The class that handles everything on the search results page. |
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| 441 | function SearchResults(name) |
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| 442 | { |
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| 443 | // The number of matches from the last run of <Search()>. |
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| 444 | this.lastMatchCount = 0; |
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| 445 | this.lastKey = 0; |
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| 446 | this.repeatOn = false; |
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| 447 | |
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| 448 | // Toggles the visibility of the passed element ID. |
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| 449 | this.FindChildElement = function(id) |
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| 450 | { |
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| 451 | var parentElement = document.getElementById(id); |
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| 452 | var element = parentElement.firstChild; |
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| 453 | |
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| 454 | while (element && element!=parentElement) |
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| 455 | { |
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| 456 | if (element.nodeName == 'DIV' && element.className == 'SRChildren') |
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| 457 | { |
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| 458 | return element; |
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| 459 | } |
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| 460 | |
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| 461 | if (element.nodeName == 'DIV' && element.hasChildNodes()) |
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| 462 | { |
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| 463 | element = element.firstChild; |
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| 464 | } |
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| 465 | else if (element.nextSibling) |
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| 466 | { |
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| 467 | element = element.nextSibling; |
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| 468 | } |
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| 469 | else |
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| 470 | { |
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| 471 | do |
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| 472 | { |
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| 473 | element = element.parentNode; |
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| 474 | } |
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| 475 | while (element && element!=parentElement && !element.nextSibling); |
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| 476 | |
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| 477 | if (element && element!=parentElement) |
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| 478 | { |
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| 479 | element = element.nextSibling; |
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| 480 | } |
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| 481 | } |
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| 482 | } |
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| 483 | } |
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| 484 | |
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| 485 | this.Toggle = function(id) |
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| 486 | { |
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| 487 | var element = this.FindChildElement(id); |
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| 488 | if (element) |
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| 489 | { |
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| 490 | if (element.style.display == 'block') |
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| 491 | { |
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| 492 | element.style.display = 'none'; |
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| 493 | } |
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| 494 | else |
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| 495 | { |
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| 496 | element.style.display = 'block'; |
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| 497 | } |
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| 498 | } |
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| 499 | } |
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| 500 | |
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| 501 | // Searches for the passed string. If there is no parameter, |
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| 502 | // it takes it from the URL query. |
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| 503 | // |
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| 504 | // Always returns true, since other documents may try to call it |
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| 505 | // and that may or may not be possible. |
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| 506 | this.Search = function(search) |
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| 507 | { |
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| 508 | if (!search) // get search word from URL |
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| 509 | { |
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| 510 | search = window.location.search; |
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| 511 | search = search.substring(1); // Remove the leading '?' |
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| 512 | search = unescape(search); |
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| 513 | } |
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| 514 | |
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| 515 | search = search.replace(/^ +/, ""); // strip leading spaces |
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| 516 | search = search.replace(/ +$/, ""); // strip trailing spaces |
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| 517 | search = search.toLowerCase(); |
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| 518 | search = convertToId(search); |
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| 519 | |
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| 520 | var resultRows = document.getElementsByTagName("div"); |
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| 521 | var matches = 0; |
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| 522 | |
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| 523 | var i = 0; |
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| 524 | while (i < resultRows.length) |
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| 525 | { |
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| 526 | var row = resultRows.item(i); |
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| 527 | if (row.className == "SRResult") |
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| 528 | { |
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| 529 | var rowMatchName = row.id.toLowerCase(); |
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| 530 | rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_' |
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| 531 | |
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| 532 | if (search.length<=rowMatchName.length && |
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| 533 | rowMatchName.substr(0, search.length)==search) |
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| 534 | { |
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| 535 | row.style.display = 'block'; |
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| 536 | matches++; |
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| 537 | } |
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| 538 | else |
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| 539 | { |
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| 540 | row.style.display = 'none'; |
---|
| 541 | } |
---|
| 542 | } |
---|
| 543 | i++; |
---|
| 544 | } |
---|
| 545 | document.getElementById("Searching").style.display='none'; |
---|
| 546 | if (matches == 0) // no results |
---|
| 547 | { |
---|
| 548 | document.getElementById("NoMatches").style.display='block'; |
---|
| 549 | } |
---|
| 550 | else // at least one result |
---|
| 551 | { |
---|
| 552 | document.getElementById("NoMatches").style.display='none'; |
---|
| 553 | } |
---|
| 554 | this.lastMatchCount = matches; |
---|
| 555 | return true; |
---|
| 556 | } |
---|
| 557 | |
---|
| 558 | // return the first item with index index or higher that is visible |
---|
| 559 | this.NavNext = function(index) |
---|
| 560 | { |
---|
| 561 | var focusItem; |
---|
| 562 | while (1) |
---|
| 563 | { |
---|
| 564 | var focusName = 'Item'+index; |
---|
| 565 | focusItem = document.getElementById(focusName); |
---|
| 566 | if (focusItem && focusItem.parentNode.parentNode.style.display=='block') |
---|
| 567 | { |
---|
| 568 | break; |
---|
| 569 | } |
---|
| 570 | else if (!focusItem) // last element |
---|
| 571 | { |
---|
| 572 | break; |
---|
| 573 | } |
---|
| 574 | focusItem=null; |
---|
| 575 | index++; |
---|
| 576 | } |
---|
| 577 | return focusItem; |
---|
| 578 | } |
---|
| 579 | |
---|
| 580 | this.NavPrev = function(index) |
---|
| 581 | { |
---|
| 582 | var focusItem; |
---|
| 583 | while (1) |
---|
| 584 | { |
---|
| 585 | var focusName = 'Item'+index; |
---|
| 586 | focusItem = document.getElementById(focusName); |
---|
| 587 | if (focusItem && focusItem.parentNode.parentNode.style.display=='block') |
---|
| 588 | { |
---|
| 589 | break; |
---|
| 590 | } |
---|
| 591 | else if (!focusItem) // last element |
---|
| 592 | { |
---|
| 593 | break; |
---|
| 594 | } |
---|
| 595 | focusItem=null; |
---|
| 596 | index--; |
---|
| 597 | } |
---|
| 598 | return focusItem; |
---|
| 599 | } |
---|
| 600 | |
---|
| 601 | this.ProcessKeys = function(e) |
---|
| 602 | { |
---|
| 603 | if (e.type == "keydown") |
---|
| 604 | { |
---|
| 605 | this.repeatOn = false; |
---|
| 606 | this.lastKey = e.keyCode; |
---|
| 607 | } |
---|
| 608 | else if (e.type == "keypress") |
---|
| 609 | { |
---|
| 610 | if (!this.repeatOn) |
---|
| 611 | { |
---|
| 612 | if (this.lastKey) this.repeatOn = true; |
---|
| 613 | return false; // ignore first keypress after keydown |
---|
| 614 | } |
---|
| 615 | } |
---|
| 616 | else if (e.type == "keyup") |
---|
| 617 | { |
---|
| 618 | this.lastKey = 0; |
---|
| 619 | this.repeatOn = false; |
---|
| 620 | } |
---|
| 621 | return this.lastKey!=0; |
---|
| 622 | } |
---|
| 623 | |
---|
| 624 | this.Nav = function(evt,itemIndex) |
---|
| 625 | { |
---|
| 626 | var e = (evt) ? evt : window.event; // for IE |
---|
| 627 | if (e.keyCode==13) return true; |
---|
| 628 | if (!this.ProcessKeys(e)) return false; |
---|
| 629 | |
---|
| 630 | if (this.lastKey==38) // Up |
---|
| 631 | { |
---|
| 632 | var newIndex = itemIndex-1; |
---|
| 633 | var focusItem = this.NavPrev(newIndex); |
---|
| 634 | if (focusItem) |
---|
| 635 | { |
---|
| 636 | var child = this.FindChildElement(focusItem.parentNode.parentNode.id); |
---|
| 637 | if (child && child.style.display == 'block') // children visible |
---|
| 638 | { |
---|
| 639 | var n=0; |
---|
| 640 | var tmpElem; |
---|
| 641 | while (1) // search for last child |
---|
| 642 | { |
---|
| 643 | tmpElem = document.getElementById('Item'+newIndex+'_c'+n); |
---|
| 644 | if (tmpElem) |
---|
| 645 | { |
---|
| 646 | focusItem = tmpElem; |
---|
| 647 | } |
---|
| 648 | else // found it! |
---|
| 649 | { |
---|
| 650 | break; |
---|
| 651 | } |
---|
| 652 | n++; |
---|
| 653 | } |
---|
| 654 | } |
---|
| 655 | } |
---|
| 656 | if (focusItem) |
---|
| 657 | { |
---|
| 658 | focusItem.focus(); |
---|
| 659 | } |
---|
| 660 | else // return focus to search field |
---|
| 661 | { |
---|
| 662 | parent.document.getElementById("MSearchField").focus(); |
---|
| 663 | } |
---|
| 664 | } |
---|
| 665 | else if (this.lastKey==40) // Down |
---|
| 666 | { |
---|
| 667 | var newIndex = itemIndex+1; |
---|
| 668 | var focusItem; |
---|
| 669 | var item = document.getElementById('Item'+itemIndex); |
---|
| 670 | var elem = this.FindChildElement(item.parentNode.parentNode.id); |
---|
| 671 | if (elem && elem.style.display == 'block') // children visible |
---|
| 672 | { |
---|
| 673 | focusItem = document.getElementById('Item'+itemIndex+'_c0'); |
---|
| 674 | } |
---|
| 675 | if (!focusItem) focusItem = this.NavNext(newIndex); |
---|
| 676 | if (focusItem) focusItem.focus(); |
---|
| 677 | } |
---|
| 678 | else if (this.lastKey==39) // Right |
---|
| 679 | { |
---|
| 680 | var item = document.getElementById('Item'+itemIndex); |
---|
| 681 | var elem = this.FindChildElement(item.parentNode.parentNode.id); |
---|
| 682 | if (elem) elem.style.display = 'block'; |
---|
| 683 | } |
---|
| 684 | else if (this.lastKey==37) // Left |
---|
| 685 | { |
---|
| 686 | var item = document.getElementById('Item'+itemIndex); |
---|
| 687 | var elem = this.FindChildElement(item.parentNode.parentNode.id); |
---|
| 688 | if (elem) elem.style.display = 'none'; |
---|
| 689 | } |
---|
| 690 | else if (this.lastKey==27) // Escape |
---|
| 691 | { |
---|
| 692 | parent.searchBox.CloseResultsWindow(); |
---|
| 693 | parent.document.getElementById("MSearchField").focus(); |
---|
| 694 | } |
---|
| 695 | else if (this.lastKey==13) // Enter |
---|
| 696 | { |
---|
| 697 | return true; |
---|
| 698 | } |
---|
| 699 | return false; |
---|
| 700 | } |
---|
| 701 | |
---|
| 702 | this.NavChild = function(evt,itemIndex,childIndex) |
---|
| 703 | { |
---|
| 704 | var e = (evt) ? evt : window.event; // for IE |
---|
| 705 | if (e.keyCode==13) return true; |
---|
| 706 | if (!this.ProcessKeys(e)) return false; |
---|
| 707 | |
---|
| 708 | if (this.lastKey==38) // Up |
---|
| 709 | { |
---|
| 710 | if (childIndex>0) |
---|
| 711 | { |
---|
| 712 | var newIndex = childIndex-1; |
---|
| 713 | document.getElementById('Item'+itemIndex+'_c'+newIndex).focus(); |
---|
| 714 | } |
---|
| 715 | else // already at first child, jump to parent |
---|
| 716 | { |
---|
| 717 | document.getElementById('Item'+itemIndex).focus(); |
---|
| 718 | } |
---|
| 719 | } |
---|
| 720 | else if (this.lastKey==40) // Down |
---|
| 721 | { |
---|
| 722 | var newIndex = childIndex+1; |
---|
| 723 | var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex); |
---|
| 724 | if (!elem) // last child, jump to parent next parent |
---|
| 725 | { |
---|
| 726 | elem = this.NavNext(itemIndex+1); |
---|
| 727 | } |
---|
| 728 | if (elem) |
---|
| 729 | { |
---|
| 730 | elem.focus(); |
---|
| 731 | } |
---|
| 732 | } |
---|
| 733 | else if (this.lastKey==27) // Escape |
---|
| 734 | { |
---|
| 735 | parent.searchBox.CloseResultsWindow(); |
---|
| 736 | parent.document.getElementById("MSearchField").focus(); |
---|
| 737 | } |
---|
| 738 | else if (this.lastKey==13) // Enter |
---|
| 739 | { |
---|
| 740 | return true; |
---|
| 741 | } |
---|
| 742 | return false; |
---|
| 743 | } |
---|
| 744 | } |
---|