Thu, 19 May 2022 14:30:20 +0200
#189 basic map implementation
universe@390 | 1 | function convertToId(search) |
universe@390 | 2 | { |
universe@390 | 3 | var result = ''; |
universe@390 | 4 | for (i=0;i<search.length;i++) |
universe@390 | 5 | { |
universe@390 | 6 | var c = search.charAt(i); |
universe@390 | 7 | var cn = c.charCodeAt(0); |
universe@390 | 8 | if (c.match(/[a-z0-9\u0080-\uFFFF]/)) |
universe@390 | 9 | { |
universe@390 | 10 | result+=c; |
universe@390 | 11 | } |
universe@390 | 12 | else if (cn<16) |
universe@390 | 13 | { |
universe@390 | 14 | result+="_0"+cn.toString(16); |
universe@390 | 15 | } |
universe@390 | 16 | else |
universe@390 | 17 | { |
universe@390 | 18 | result+="_"+cn.toString(16); |
universe@390 | 19 | } |
universe@390 | 20 | } |
universe@390 | 21 | return result; |
universe@390 | 22 | } |
universe@390 | 23 | |
universe@390 | 24 | function getXPos(item) |
universe@390 | 25 | { |
universe@390 | 26 | var x = 0; |
universe@390 | 27 | if (item.offsetWidth) |
universe@390 | 28 | { |
universe@390 | 29 | while (item && item!=document.body) |
universe@390 | 30 | { |
universe@390 | 31 | x += item.offsetLeft; |
universe@390 | 32 | item = item.offsetParent; |
universe@390 | 33 | } |
universe@390 | 34 | } |
universe@390 | 35 | return x; |
universe@390 | 36 | } |
universe@390 | 37 | |
universe@390 | 38 | function getYPos(item) |
universe@390 | 39 | { |
universe@390 | 40 | var y = 0; |
universe@390 | 41 | if (item.offsetWidth) |
universe@390 | 42 | { |
universe@390 | 43 | while (item && item!=document.body) |
universe@390 | 44 | { |
universe@390 | 45 | y += item.offsetTop; |
universe@390 | 46 | item = item.offsetParent; |
universe@390 | 47 | } |
universe@390 | 48 | } |
universe@390 | 49 | return y; |
universe@390 | 50 | } |
universe@390 | 51 | |
universe@390 | 52 | /* A class handling everything associated with the search panel. |
universe@390 | 53 | |
universe@390 | 54 | Parameters: |
universe@390 | 55 | name - The name of the global variable that will be |
universe@390 | 56 | storing this instance. Is needed to be able to set timeouts. |
universe@390 | 57 | resultPath - path to use for external files |
universe@390 | 58 | */ |
universe@390 | 59 | function SearchBox(name, resultsPath, inFrame, label) |
universe@390 | 60 | { |
universe@390 | 61 | if (!name || !resultsPath) { alert("Missing parameters to SearchBox."); } |
universe@390 | 62 | |
universe@390 | 63 | // ---------- Instance variables |
universe@390 | 64 | this.name = name; |
universe@390 | 65 | this.resultsPath = resultsPath; |
universe@390 | 66 | this.keyTimeout = 0; |
universe@390 | 67 | this.keyTimeoutLength = 500; |
universe@390 | 68 | this.closeSelectionTimeout = 300; |
universe@390 | 69 | this.lastSearchValue = ""; |
universe@390 | 70 | this.lastResultsPage = ""; |
universe@390 | 71 | this.hideTimeout = 0; |
universe@390 | 72 | this.searchIndex = 0; |
universe@390 | 73 | this.searchActive = false; |
universe@390 | 74 | this.insideFrame = inFrame; |
universe@390 | 75 | this.searchLabel = label; |
universe@390 | 76 | |
universe@390 | 77 | // ----------- DOM Elements |
universe@390 | 78 | |
universe@390 | 79 | this.DOMSearchField = function() |
universe@390 | 80 | { return document.getElementById("MSearchField"); } |
universe@390 | 81 | |
universe@390 | 82 | this.DOMSearchSelect = function() |
universe@390 | 83 | { return document.getElementById("MSearchSelect"); } |
universe@390 | 84 | |
universe@390 | 85 | this.DOMSearchSelectWindow = function() |
universe@390 | 86 | { return document.getElementById("MSearchSelectWindow"); } |
universe@390 | 87 | |
universe@390 | 88 | this.DOMPopupSearchResults = function() |
universe@390 | 89 | { return document.getElementById("MSearchResults"); } |
universe@390 | 90 | |
universe@390 | 91 | this.DOMPopupSearchResultsWindow = function() |
universe@390 | 92 | { return document.getElementById("MSearchResultsWindow"); } |
universe@390 | 93 | |
universe@390 | 94 | this.DOMSearchClose = function() |
universe@390 | 95 | { return document.getElementById("MSearchClose"); } |
universe@390 | 96 | |
universe@390 | 97 | this.DOMSearchBox = function() |
universe@390 | 98 | { return document.getElementById("MSearchBox"); } |
universe@390 | 99 | |
universe@390 | 100 | // ------------ Event Handlers |
universe@390 | 101 | |
universe@390 | 102 | // Called when focus is added or removed from the search field. |
universe@390 | 103 | this.OnSearchFieldFocus = function(isActive) |
universe@390 | 104 | { |
universe@390 | 105 | this.Activate(isActive); |
universe@390 | 106 | } |
universe@390 | 107 | |
universe@390 | 108 | this.OnSearchSelectShow = function() |
universe@390 | 109 | { |
universe@390 | 110 | var searchSelectWindow = this.DOMSearchSelectWindow(); |
universe@390 | 111 | var searchField = this.DOMSearchSelect(); |
universe@390 | 112 | |
universe@390 | 113 | if (this.insideFrame) |
universe@390 | 114 | { |
universe@390 | 115 | var left = getXPos(searchField); |
universe@390 | 116 | var top = getYPos(searchField); |
universe@390 | 117 | left += searchField.offsetWidth + 6; |
universe@390 | 118 | top += searchField.offsetHeight; |
universe@390 | 119 | |
universe@390 | 120 | // show search selection popup |
universe@390 | 121 | searchSelectWindow.style.display='block'; |
universe@390 | 122 | left -= searchSelectWindow.offsetWidth; |
universe@390 | 123 | searchSelectWindow.style.left = left + 'px'; |
universe@390 | 124 | searchSelectWindow.style.top = top + 'px'; |
universe@390 | 125 | } |
universe@390 | 126 | else |
universe@390 | 127 | { |
universe@390 | 128 | var left = getXPos(searchField); |
universe@390 | 129 | var top = getYPos(searchField); |
universe@390 | 130 | top += searchField.offsetHeight; |
universe@390 | 131 | |
universe@390 | 132 | // show search selection popup |
universe@390 | 133 | searchSelectWindow.style.display='block'; |
universe@390 | 134 | searchSelectWindow.style.left = left + 'px'; |
universe@390 | 135 | searchSelectWindow.style.top = top + 'px'; |
universe@390 | 136 | } |
universe@390 | 137 | |
universe@390 | 138 | // stop selection hide timer |
universe@390 | 139 | if (this.hideTimeout) |
universe@390 | 140 | { |
universe@390 | 141 | clearTimeout(this.hideTimeout); |
universe@390 | 142 | this.hideTimeout=0; |
universe@390 | 143 | } |
universe@390 | 144 | return false; // to avoid "image drag" default event |
universe@390 | 145 | } |
universe@390 | 146 | |
universe@390 | 147 | this.OnSearchSelectHide = function() |
universe@390 | 148 | { |
universe@390 | 149 | this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()", |
universe@390 | 150 | this.closeSelectionTimeout); |
universe@390 | 151 | } |
universe@390 | 152 | |
universe@390 | 153 | // Called when the content of the search field is changed. |
universe@390 | 154 | this.OnSearchFieldChange = function(evt) |
universe@390 | 155 | { |
universe@390 | 156 | if (this.keyTimeout) // kill running timer |
universe@390 | 157 | { |
universe@390 | 158 | clearTimeout(this.keyTimeout); |
universe@390 | 159 | this.keyTimeout = 0; |
universe@390 | 160 | } |
universe@390 | 161 | |
universe@390 | 162 | var e = (evt) ? evt : window.event; // for IE |
universe@390 | 163 | if (e.keyCode==40 || e.keyCode==13) |
universe@390 | 164 | { |
universe@390 | 165 | if (e.shiftKey==1) |
universe@390 | 166 | { |
universe@390 | 167 | this.OnSearchSelectShow(); |
universe@390 | 168 | var win=this.DOMSearchSelectWindow(); |
universe@390 | 169 | for (i=0;i<win.childNodes.length;i++) |
universe@390 | 170 | { |
universe@390 | 171 | var child = win.childNodes[i]; // get span within a |
universe@390 | 172 | if (child.className=='SelectItem') |
universe@390 | 173 | { |
universe@390 | 174 | child.focus(); |
universe@390 | 175 | return; |
universe@390 | 176 | } |
universe@390 | 177 | } |
universe@390 | 178 | return; |
universe@390 | 179 | } |
universe@390 | 180 | else if (window.frames.MSearchResults.searchResults) |
universe@390 | 181 | { |
universe@390 | 182 | var elem = window.frames.MSearchResults.searchResults.NavNext(0); |
universe@390 | 183 | if (elem) elem.focus(); |
universe@390 | 184 | } |
universe@390 | 185 | } |
universe@390 | 186 | else if (e.keyCode==27) // Escape out of the search field |
universe@390 | 187 | { |
universe@390 | 188 | this.DOMSearchField().blur(); |
universe@390 | 189 | this.DOMPopupSearchResultsWindow().style.display = 'none'; |
universe@390 | 190 | this.DOMSearchClose().style.display = 'none'; |
universe@390 | 191 | this.lastSearchValue = ''; |
universe@390 | 192 | this.Activate(false); |
universe@390 | 193 | return; |
universe@390 | 194 | } |
universe@390 | 195 | |
universe@390 | 196 | // strip whitespaces |
universe@390 | 197 | var searchValue = this.DOMSearchField().value.replace(/ +/g, ""); |
universe@390 | 198 | |
universe@390 | 199 | if (searchValue != this.lastSearchValue) // search value has changed |
universe@390 | 200 | { |
universe@390 | 201 | if (searchValue != "") // non-empty search |
universe@390 | 202 | { |
universe@390 | 203 | // set timer for search update |
universe@390 | 204 | this.keyTimeout = setTimeout(this.name + '.Search()', |
universe@390 | 205 | this.keyTimeoutLength); |
universe@390 | 206 | } |
universe@390 | 207 | else // empty search field |
universe@390 | 208 | { |
universe@390 | 209 | this.DOMPopupSearchResultsWindow().style.display = 'none'; |
universe@390 | 210 | this.DOMSearchClose().style.display = 'none'; |
universe@390 | 211 | this.lastSearchValue = ''; |
universe@390 | 212 | } |
universe@390 | 213 | } |
universe@390 | 214 | } |
universe@390 | 215 | |
universe@390 | 216 | this.SelectItemCount = function(id) |
universe@390 | 217 | { |
universe@390 | 218 | var count=0; |
universe@390 | 219 | var win=this.DOMSearchSelectWindow(); |
universe@390 | 220 | for (i=0;i<win.childNodes.length;i++) |
universe@390 | 221 | { |
universe@390 | 222 | var child = win.childNodes[i]; // get span within a |
universe@390 | 223 | if (child.className=='SelectItem') |
universe@390 | 224 | { |
universe@390 | 225 | count++; |
universe@390 | 226 | } |
universe@390 | 227 | } |
universe@390 | 228 | return count; |
universe@390 | 229 | } |
universe@390 | 230 | |
universe@390 | 231 | this.SelectItemSet = function(id) |
universe@390 | 232 | { |
universe@390 | 233 | var i,j=0; |
universe@390 | 234 | var win=this.DOMSearchSelectWindow(); |
universe@390 | 235 | for (i=0;i<win.childNodes.length;i++) |
universe@390 | 236 | { |
universe@390 | 237 | var child = win.childNodes[i]; // get span within a |
universe@390 | 238 | if (child.className=='SelectItem') |
universe@390 | 239 | { |
universe@390 | 240 | var node = child.firstChild; |
universe@390 | 241 | if (j==id) |
universe@390 | 242 | { |
universe@390 | 243 | node.innerHTML='•'; |
universe@390 | 244 | } |
universe@390 | 245 | else |
universe@390 | 246 | { |
universe@390 | 247 | node.innerHTML=' '; |
universe@390 | 248 | } |
universe@390 | 249 | j++; |
universe@390 | 250 | } |
universe@390 | 251 | } |
universe@390 | 252 | } |
universe@390 | 253 | |
universe@390 | 254 | // Called when an search filter selection is made. |
universe@390 | 255 | // set item with index id as the active item |
universe@390 | 256 | this.OnSelectItem = function(id) |
universe@390 | 257 | { |
universe@390 | 258 | this.searchIndex = id; |
universe@390 | 259 | this.SelectItemSet(id); |
universe@390 | 260 | var searchValue = this.DOMSearchField().value.replace(/ +/g, ""); |
universe@390 | 261 | if (searchValue!="" && this.searchActive) // something was found -> do a search |
universe@390 | 262 | { |
universe@390 | 263 | this.Search(); |
universe@390 | 264 | } |
universe@390 | 265 | } |
universe@390 | 266 | |
universe@390 | 267 | this.OnSearchSelectKey = function(evt) |
universe@390 | 268 | { |
universe@390 | 269 | var e = (evt) ? evt : window.event; // for IE |
universe@390 | 270 | if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down |
universe@390 | 271 | { |
universe@390 | 272 | this.searchIndex++; |
universe@390 | 273 | this.OnSelectItem(this.searchIndex); |
universe@390 | 274 | } |
universe@390 | 275 | else if (e.keyCode==38 && this.searchIndex>0) // Up |
universe@390 | 276 | { |
universe@390 | 277 | this.searchIndex--; |
universe@390 | 278 | this.OnSelectItem(this.searchIndex); |
universe@390 | 279 | } |
universe@390 | 280 | else if (e.keyCode==13 || e.keyCode==27) |
universe@390 | 281 | { |
universe@390 | 282 | this.OnSelectItem(this.searchIndex); |
universe@390 | 283 | this.CloseSelectionWindow(); |
universe@390 | 284 | this.DOMSearchField().focus(); |
universe@390 | 285 | } |
universe@390 | 286 | return false; |
universe@390 | 287 | } |
universe@390 | 288 | |
universe@390 | 289 | // --------- Actions |
universe@390 | 290 | |
universe@390 | 291 | // Closes the results window. |
universe@390 | 292 | this.CloseResultsWindow = function() |
universe@390 | 293 | { |
universe@390 | 294 | this.DOMPopupSearchResultsWindow().style.display = 'none'; |
universe@390 | 295 | this.DOMSearchClose().style.display = 'none'; |
universe@390 | 296 | this.Activate(false); |
universe@390 | 297 | } |
universe@390 | 298 | |
universe@390 | 299 | this.CloseSelectionWindow = function() |
universe@390 | 300 | { |
universe@390 | 301 | this.DOMSearchSelectWindow().style.display = 'none'; |
universe@390 | 302 | } |
universe@390 | 303 | |
universe@390 | 304 | // Performs a search. |
universe@390 | 305 | this.Search = function() |
universe@390 | 306 | { |
universe@390 | 307 | this.keyTimeout = 0; |
universe@390 | 308 | |
universe@390 | 309 | // strip leading whitespace |
universe@390 | 310 | var searchValue = this.DOMSearchField().value.replace(/^ +/, ""); |
universe@390 | 311 | |
universe@390 | 312 | var code = searchValue.toLowerCase().charCodeAt(0); |
universe@390 | 313 | var idxChar = searchValue.substr(0, 1).toLowerCase(); |
universe@390 | 314 | if ( 0xD800 <= code && code <= 0xDBFF && searchValue > 1) // surrogate pair |
universe@390 | 315 | { |
universe@390 | 316 | idxChar = searchValue.substr(0, 2); |
universe@390 | 317 | } |
universe@390 | 318 | |
universe@390 | 319 | var resultsPage; |
universe@390 | 320 | var resultsPageWithSearch; |
universe@390 | 321 | var hasResultsPage; |
universe@390 | 322 | |
universe@390 | 323 | var idx = indexSectionsWithContent[this.searchIndex].indexOf(idxChar); |
universe@390 | 324 | if (idx!=-1) |
universe@390 | 325 | { |
universe@390 | 326 | var hexCode=idx.toString(16); |
universe@390 | 327 | resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html'; |
universe@390 | 328 | resultsPageWithSearch = resultsPage+'?'+escape(searchValue); |
universe@390 | 329 | hasResultsPage = true; |
universe@390 | 330 | } |
universe@390 | 331 | else // nothing available for this search term |
universe@390 | 332 | { |
universe@390 | 333 | resultsPage = this.resultsPath + '/nomatches.html'; |
universe@390 | 334 | resultsPageWithSearch = resultsPage; |
universe@390 | 335 | hasResultsPage = false; |
universe@390 | 336 | } |
universe@390 | 337 | |
universe@390 | 338 | window.frames.MSearchResults.location = resultsPageWithSearch; |
universe@390 | 339 | var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow(); |
universe@390 | 340 | |
universe@390 | 341 | if (domPopupSearchResultsWindow.style.display!='block') |
universe@390 | 342 | { |
universe@390 | 343 | var domSearchBox = this.DOMSearchBox(); |
universe@390 | 344 | this.DOMSearchClose().style.display = 'inline'; |
universe@390 | 345 | if (this.insideFrame) |
universe@390 | 346 | { |
universe@390 | 347 | var domPopupSearchResults = this.DOMPopupSearchResults(); |
universe@390 | 348 | domPopupSearchResultsWindow.style.position = 'relative'; |
universe@390 | 349 | domPopupSearchResultsWindow.style.display = 'block'; |
universe@390 | 350 | var width = document.body.clientWidth - 8; // the -8 is for IE :-( |
universe@390 | 351 | domPopupSearchResultsWindow.style.width = width + 'px'; |
universe@390 | 352 | domPopupSearchResults.style.width = width + 'px'; |
universe@390 | 353 | } |
universe@390 | 354 | else |
universe@390 | 355 | { |
universe@390 | 356 | var domPopupSearchResults = this.DOMPopupSearchResults(); |
universe@390 | 357 | var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth; |
universe@390 | 358 | var top = getYPos(domSearchBox) + 20; // domSearchBox.offsetHeight + 1; |
universe@390 | 359 | domPopupSearchResultsWindow.style.display = 'block'; |
universe@390 | 360 | left -= domPopupSearchResults.offsetWidth; |
universe@390 | 361 | domPopupSearchResultsWindow.style.top = top + 'px'; |
universe@390 | 362 | domPopupSearchResultsWindow.style.left = left + 'px'; |
universe@390 | 363 | } |
universe@390 | 364 | } |
universe@390 | 365 | |
universe@390 | 366 | this.lastSearchValue = searchValue; |
universe@390 | 367 | this.lastResultsPage = resultsPage; |
universe@390 | 368 | } |
universe@390 | 369 | |
universe@390 | 370 | // -------- Activation Functions |
universe@390 | 371 | |
universe@390 | 372 | // Activates or deactivates the search panel, resetting things to |
universe@390 | 373 | // their default values if necessary. |
universe@390 | 374 | this.Activate = function(isActive) |
universe@390 | 375 | { |
universe@390 | 376 | if (isActive || // open it |
universe@390 | 377 | this.DOMPopupSearchResultsWindow().style.display == 'block' |
universe@390 | 378 | ) |
universe@390 | 379 | { |
universe@390 | 380 | this.DOMSearchBox().className = 'MSearchBoxActive'; |
universe@390 | 381 | |
universe@390 | 382 | var searchField = this.DOMSearchField(); |
universe@390 | 383 | |
universe@390 | 384 | if (searchField.value == this.searchLabel) // clear "Search" term upon entry |
universe@390 | 385 | { |
universe@390 | 386 | searchField.value = ''; |
universe@390 | 387 | this.searchActive = true; |
universe@390 | 388 | } |
universe@390 | 389 | } |
universe@390 | 390 | else if (!isActive) // directly remove the panel |
universe@390 | 391 | { |
universe@390 | 392 | this.DOMSearchBox().className = 'MSearchBoxInactive'; |
universe@390 | 393 | this.DOMSearchField().value = this.searchLabel; |
universe@390 | 394 | this.searchActive = false; |
universe@390 | 395 | this.lastSearchValue = '' |
universe@390 | 396 | this.lastResultsPage = ''; |
universe@390 | 397 | } |
universe@390 | 398 | } |
universe@390 | 399 | } |
universe@390 | 400 | |
universe@390 | 401 | // ----------------------------------------------------------------------- |
universe@390 | 402 | |
universe@390 | 403 | // The class that handles everything on the search results page. |
universe@390 | 404 | function SearchResults(name) |
universe@390 | 405 | { |
universe@390 | 406 | // The number of matches from the last run of <Search()>. |
universe@390 | 407 | this.lastMatchCount = 0; |
universe@390 | 408 | this.lastKey = 0; |
universe@390 | 409 | this.repeatOn = false; |
universe@390 | 410 | |
universe@390 | 411 | // Toggles the visibility of the passed element ID. |
universe@390 | 412 | this.FindChildElement = function(id) |
universe@390 | 413 | { |
universe@390 | 414 | var parentElement = document.getElementById(id); |
universe@390 | 415 | var element = parentElement.firstChild; |
universe@390 | 416 | |
universe@390 | 417 | while (element && element!=parentElement) |
universe@390 | 418 | { |
universe@390 | 419 | if (element.nodeName == 'DIV' && element.className == 'SRChildren') |
universe@390 | 420 | { |
universe@390 | 421 | return element; |
universe@390 | 422 | } |
universe@390 | 423 | |
universe@390 | 424 | if (element.nodeName == 'DIV' && element.hasChildNodes()) |
universe@390 | 425 | { |
universe@390 | 426 | element = element.firstChild; |
universe@390 | 427 | } |
universe@390 | 428 | else if (element.nextSibling) |
universe@390 | 429 | { |
universe@390 | 430 | element = element.nextSibling; |
universe@390 | 431 | } |
universe@390 | 432 | else |
universe@390 | 433 | { |
universe@390 | 434 | do |
universe@390 | 435 | { |
universe@390 | 436 | element = element.parentNode; |
universe@390 | 437 | } |
universe@390 | 438 | while (element && element!=parentElement && !element.nextSibling); |
universe@390 | 439 | |
universe@390 | 440 | if (element && element!=parentElement) |
universe@390 | 441 | { |
universe@390 | 442 | element = element.nextSibling; |
universe@390 | 443 | } |
universe@390 | 444 | } |
universe@390 | 445 | } |
universe@390 | 446 | } |
universe@390 | 447 | |
universe@390 | 448 | this.Toggle = function(id) |
universe@390 | 449 | { |
universe@390 | 450 | var element = this.FindChildElement(id); |
universe@390 | 451 | if (element) |
universe@390 | 452 | { |
universe@390 | 453 | if (element.style.display == 'block') |
universe@390 | 454 | { |
universe@390 | 455 | element.style.display = 'none'; |
universe@390 | 456 | } |
universe@390 | 457 | else |
universe@390 | 458 | { |
universe@390 | 459 | element.style.display = 'block'; |
universe@390 | 460 | } |
universe@390 | 461 | } |
universe@390 | 462 | } |
universe@390 | 463 | |
universe@390 | 464 | // Searches for the passed string. If there is no parameter, |
universe@390 | 465 | // it takes it from the URL query. |
universe@390 | 466 | // |
universe@390 | 467 | // Always returns true, since other documents may try to call it |
universe@390 | 468 | // and that may or may not be possible. |
universe@390 | 469 | this.Search = function(search) |
universe@390 | 470 | { |
universe@390 | 471 | if (!search) // get search word from URL |
universe@390 | 472 | { |
universe@390 | 473 | search = window.location.search; |
universe@390 | 474 | search = search.substring(1); // Remove the leading '?' |
universe@390 | 475 | search = unescape(search); |
universe@390 | 476 | } |
universe@390 | 477 | |
universe@390 | 478 | search = search.replace(/^ +/, ""); // strip leading spaces |
universe@390 | 479 | search = search.replace(/ +$/, ""); // strip trailing spaces |
universe@390 | 480 | search = search.toLowerCase(); |
universe@390 | 481 | search = convertToId(search); |
universe@390 | 482 | |
universe@390 | 483 | var resultRows = document.getElementsByTagName("div"); |
universe@390 | 484 | var matches = 0; |
universe@390 | 485 | |
universe@390 | 486 | var i = 0; |
universe@390 | 487 | while (i < resultRows.length) |
universe@390 | 488 | { |
universe@390 | 489 | var row = resultRows.item(i); |
universe@390 | 490 | if (row.className == "SRResult") |
universe@390 | 491 | { |
universe@390 | 492 | var rowMatchName = row.id.toLowerCase(); |
universe@390 | 493 | rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_' |
universe@390 | 494 | |
universe@390 | 495 | if (search.length<=rowMatchName.length && |
universe@390 | 496 | rowMatchName.substr(0, search.length)==search) |
universe@390 | 497 | { |
universe@390 | 498 | row.style.display = 'block'; |
universe@390 | 499 | matches++; |
universe@390 | 500 | } |
universe@390 | 501 | else |
universe@390 | 502 | { |
universe@390 | 503 | row.style.display = 'none'; |
universe@390 | 504 | } |
universe@390 | 505 | } |
universe@390 | 506 | i++; |
universe@390 | 507 | } |
universe@390 | 508 | document.getElementById("Searching").style.display='none'; |
universe@390 | 509 | if (matches == 0) // no results |
universe@390 | 510 | { |
universe@390 | 511 | document.getElementById("NoMatches").style.display='block'; |
universe@390 | 512 | } |
universe@390 | 513 | else // at least one result |
universe@390 | 514 | { |
universe@390 | 515 | document.getElementById("NoMatches").style.display='none'; |
universe@390 | 516 | } |
universe@390 | 517 | this.lastMatchCount = matches; |
universe@390 | 518 | return true; |
universe@390 | 519 | } |
universe@390 | 520 | |
universe@390 | 521 | // return the first item with index index or higher that is visible |
universe@390 | 522 | this.NavNext = function(index) |
universe@390 | 523 | { |
universe@390 | 524 | var focusItem; |
universe@390 | 525 | while (1) |
universe@390 | 526 | { |
universe@390 | 527 | var focusName = 'Item'+index; |
universe@390 | 528 | focusItem = document.getElementById(focusName); |
universe@390 | 529 | if (focusItem && focusItem.parentNode.parentNode.style.display=='block') |
universe@390 | 530 | { |
universe@390 | 531 | break; |
universe@390 | 532 | } |
universe@390 | 533 | else if (!focusItem) // last element |
universe@390 | 534 | { |
universe@390 | 535 | break; |
universe@390 | 536 | } |
universe@390 | 537 | focusItem=null; |
universe@390 | 538 | index++; |
universe@390 | 539 | } |
universe@390 | 540 | return focusItem; |
universe@390 | 541 | } |
universe@390 | 542 | |
universe@390 | 543 | this.NavPrev = function(index) |
universe@390 | 544 | { |
universe@390 | 545 | var focusItem; |
universe@390 | 546 | while (1) |
universe@390 | 547 | { |
universe@390 | 548 | var focusName = 'Item'+index; |
universe@390 | 549 | focusItem = document.getElementById(focusName); |
universe@390 | 550 | if (focusItem && focusItem.parentNode.parentNode.style.display=='block') |
universe@390 | 551 | { |
universe@390 | 552 | break; |
universe@390 | 553 | } |
universe@390 | 554 | else if (!focusItem) // last element |
universe@390 | 555 | { |
universe@390 | 556 | break; |
universe@390 | 557 | } |
universe@390 | 558 | focusItem=null; |
universe@390 | 559 | index--; |
universe@390 | 560 | } |
universe@390 | 561 | return focusItem; |
universe@390 | 562 | } |
universe@390 | 563 | |
universe@390 | 564 | this.ProcessKeys = function(e) |
universe@390 | 565 | { |
universe@390 | 566 | if (e.type == "keydown") |
universe@390 | 567 | { |
universe@390 | 568 | this.repeatOn = false; |
universe@390 | 569 | this.lastKey = e.keyCode; |
universe@390 | 570 | } |
universe@390 | 571 | else if (e.type == "keypress") |
universe@390 | 572 | { |
universe@390 | 573 | if (!this.repeatOn) |
universe@390 | 574 | { |
universe@390 | 575 | if (this.lastKey) this.repeatOn = true; |
universe@390 | 576 | return false; // ignore first keypress after keydown |
universe@390 | 577 | } |
universe@390 | 578 | } |
universe@390 | 579 | else if (e.type == "keyup") |
universe@390 | 580 | { |
universe@390 | 581 | this.lastKey = 0; |
universe@390 | 582 | this.repeatOn = false; |
universe@390 | 583 | } |
universe@390 | 584 | return this.lastKey!=0; |
universe@390 | 585 | } |
universe@390 | 586 | |
universe@390 | 587 | this.Nav = function(evt,itemIndex) |
universe@390 | 588 | { |
universe@390 | 589 | var e = (evt) ? evt : window.event; // for IE |
universe@390 | 590 | if (e.keyCode==13) return true; |
universe@390 | 591 | if (!this.ProcessKeys(e)) return false; |
universe@390 | 592 | |
universe@390 | 593 | if (this.lastKey==38) // Up |
universe@390 | 594 | { |
universe@390 | 595 | var newIndex = itemIndex-1; |
universe@390 | 596 | var focusItem = this.NavPrev(newIndex); |
universe@390 | 597 | if (focusItem) |
universe@390 | 598 | { |
universe@390 | 599 | var child = this.FindChildElement(focusItem.parentNode.parentNode.id); |
universe@390 | 600 | if (child && child.style.display == 'block') // children visible |
universe@390 | 601 | { |
universe@390 | 602 | var n=0; |
universe@390 | 603 | var tmpElem; |
universe@390 | 604 | while (1) // search for last child |
universe@390 | 605 | { |
universe@390 | 606 | tmpElem = document.getElementById('Item'+newIndex+'_c'+n); |
universe@390 | 607 | if (tmpElem) |
universe@390 | 608 | { |
universe@390 | 609 | focusItem = tmpElem; |
universe@390 | 610 | } |
universe@390 | 611 | else // found it! |
universe@390 | 612 | { |
universe@390 | 613 | break; |
universe@390 | 614 | } |
universe@390 | 615 | n++; |
universe@390 | 616 | } |
universe@390 | 617 | } |
universe@390 | 618 | } |
universe@390 | 619 | if (focusItem) |
universe@390 | 620 | { |
universe@390 | 621 | focusItem.focus(); |
universe@390 | 622 | } |
universe@390 | 623 | else // return focus to search field |
universe@390 | 624 | { |
universe@390 | 625 | parent.document.getElementById("MSearchField").focus(); |
universe@390 | 626 | } |
universe@390 | 627 | } |
universe@390 | 628 | else if (this.lastKey==40) // Down |
universe@390 | 629 | { |
universe@390 | 630 | var newIndex = itemIndex+1; |
universe@390 | 631 | var focusItem; |
universe@390 | 632 | var item = document.getElementById('Item'+itemIndex); |
universe@390 | 633 | var elem = this.FindChildElement(item.parentNode.parentNode.id); |
universe@390 | 634 | if (elem && elem.style.display == 'block') // children visible |
universe@390 | 635 | { |
universe@390 | 636 | focusItem = document.getElementById('Item'+itemIndex+'_c0'); |
universe@390 | 637 | } |
universe@390 | 638 | if (!focusItem) focusItem = this.NavNext(newIndex); |
universe@390 | 639 | if (focusItem) focusItem.focus(); |
universe@390 | 640 | } |
universe@390 | 641 | else if (this.lastKey==39) // Right |
universe@390 | 642 | { |
universe@390 | 643 | var item = document.getElementById('Item'+itemIndex); |
universe@390 | 644 | var elem = this.FindChildElement(item.parentNode.parentNode.id); |
universe@390 | 645 | if (elem) elem.style.display = 'block'; |
universe@390 | 646 | } |
universe@390 | 647 | else if (this.lastKey==37) // Left |
universe@390 | 648 | { |
universe@390 | 649 | var item = document.getElementById('Item'+itemIndex); |
universe@390 | 650 | var elem = this.FindChildElement(item.parentNode.parentNode.id); |
universe@390 | 651 | if (elem) elem.style.display = 'none'; |
universe@390 | 652 | } |
universe@390 | 653 | else if (this.lastKey==27) // Escape |
universe@390 | 654 | { |
universe@390 | 655 | parent.searchBox.CloseResultsWindow(); |
universe@390 | 656 | parent.document.getElementById("MSearchField").focus(); |
universe@390 | 657 | } |
universe@390 | 658 | else if (this.lastKey==13) // Enter |
universe@390 | 659 | { |
universe@390 | 660 | return true; |
universe@390 | 661 | } |
universe@390 | 662 | return false; |
universe@390 | 663 | } |
universe@390 | 664 | |
universe@390 | 665 | this.NavChild = function(evt,itemIndex,childIndex) |
universe@390 | 666 | { |
universe@390 | 667 | var e = (evt) ? evt : window.event; // for IE |
universe@390 | 668 | if (e.keyCode==13) return true; |
universe@390 | 669 | if (!this.ProcessKeys(e)) return false; |
universe@390 | 670 | |
universe@390 | 671 | if (this.lastKey==38) // Up |
universe@390 | 672 | { |
universe@390 | 673 | if (childIndex>0) |
universe@390 | 674 | { |
universe@390 | 675 | var newIndex = childIndex-1; |
universe@390 | 676 | document.getElementById('Item'+itemIndex+'_c'+newIndex).focus(); |
universe@390 | 677 | } |
universe@390 | 678 | else // already at first child, jump to parent |
universe@390 | 679 | { |
universe@390 | 680 | document.getElementById('Item'+itemIndex).focus(); |
universe@390 | 681 | } |
universe@390 | 682 | } |
universe@390 | 683 | else if (this.lastKey==40) // Down |
universe@390 | 684 | { |
universe@390 | 685 | var newIndex = childIndex+1; |
universe@390 | 686 | var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex); |
universe@390 | 687 | if (!elem) // last child, jump to parent next parent |
universe@390 | 688 | { |
universe@390 | 689 | elem = this.NavNext(itemIndex+1); |
universe@390 | 690 | } |
universe@390 | 691 | if (elem) |
universe@390 | 692 | { |
universe@390 | 693 | elem.focus(); |
universe@390 | 694 | } |
universe@390 | 695 | } |
universe@390 | 696 | else if (this.lastKey==27) // Escape |
universe@390 | 697 | { |
universe@390 | 698 | parent.searchBox.CloseResultsWindow(); |
universe@390 | 699 | parent.document.getElementById("MSearchField").focus(); |
universe@390 | 700 | } |
universe@390 | 701 | else if (this.lastKey==13) // Enter |
universe@390 | 702 | { |
universe@390 | 703 | return true; |
universe@390 | 704 | } |
universe@390 | 705 | return false; |
universe@390 | 706 | } |
universe@390 | 707 | } |
universe@390 | 708 | |
universe@390 | 709 | function setKeyActions(elem,action) |
universe@390 | 710 | { |
universe@390 | 711 | elem.setAttribute('onkeydown',action); |
universe@390 | 712 | elem.setAttribute('onkeypress',action); |
universe@390 | 713 | elem.setAttribute('onkeyup',action); |
universe@390 | 714 | } |
universe@390 | 715 | |
universe@390 | 716 | function setClassAttr(elem,attr) |
universe@390 | 717 | { |
universe@390 | 718 | elem.setAttribute('class',attr); |
universe@390 | 719 | elem.setAttribute('className',attr); |
universe@390 | 720 | } |
universe@390 | 721 | |
universe@390 | 722 | function createResults() |
universe@390 | 723 | { |
universe@390 | 724 | var results = document.getElementById("SRResults"); |
universe@390 | 725 | for (var e=0; e<searchData.length; e++) |
universe@390 | 726 | { |
universe@390 | 727 | var id = searchData[e][0]; |
universe@390 | 728 | var srResult = document.createElement('div'); |
universe@390 | 729 | srResult.setAttribute('id','SR_'+id); |
universe@390 | 730 | setClassAttr(srResult,'SRResult'); |
universe@390 | 731 | var srEntry = document.createElement('div'); |
universe@390 | 732 | setClassAttr(srEntry,'SREntry'); |
universe@390 | 733 | var srLink = document.createElement('a'); |
universe@390 | 734 | srLink.setAttribute('id','Item'+e); |
universe@390 | 735 | setKeyActions(srLink,'return searchResults.Nav(event,'+e+')'); |
universe@390 | 736 | setClassAttr(srLink,'SRSymbol'); |
universe@390 | 737 | srLink.innerHTML = searchData[e][1][0]; |
universe@390 | 738 | srEntry.appendChild(srLink); |
universe@390 | 739 | if (searchData[e][1].length==2) // single result |
universe@390 | 740 | { |
universe@390 | 741 | srLink.setAttribute('href',searchData[e][1][1][0]); |
universe@390 | 742 | if (searchData[e][1][1][1]) |
universe@390 | 743 | { |
universe@390 | 744 | srLink.setAttribute('target','_parent'); |
universe@390 | 745 | } |
universe@390 | 746 | var srScope = document.createElement('span'); |
universe@390 | 747 | setClassAttr(srScope,'SRScope'); |
universe@390 | 748 | srScope.innerHTML = searchData[e][1][1][2]; |
universe@390 | 749 | srEntry.appendChild(srScope); |
universe@390 | 750 | } |
universe@390 | 751 | else // multiple results |
universe@390 | 752 | { |
universe@390 | 753 | srLink.setAttribute('href','javascript:searchResults.Toggle("SR_'+id+'")'); |
universe@390 | 754 | var srChildren = document.createElement('div'); |
universe@390 | 755 | setClassAttr(srChildren,'SRChildren'); |
universe@390 | 756 | for (var c=0; c<searchData[e][1].length-1; c++) |
universe@390 | 757 | { |
universe@390 | 758 | var srChild = document.createElement('a'); |
universe@390 | 759 | srChild.setAttribute('id','Item'+e+'_c'+c); |
universe@390 | 760 | setKeyActions(srChild,'return searchResults.NavChild(event,'+e+','+c+')'); |
universe@390 | 761 | setClassAttr(srChild,'SRScope'); |
universe@390 | 762 | srChild.setAttribute('href',searchData[e][1][c+1][0]); |
universe@390 | 763 | if (searchData[e][1][c+1][1]) |
universe@390 | 764 | { |
universe@390 | 765 | srChild.setAttribute('target','_parent'); |
universe@390 | 766 | } |
universe@390 | 767 | srChild.innerHTML = searchData[e][1][c+1][2]; |
universe@390 | 768 | srChildren.appendChild(srChild); |
universe@390 | 769 | } |
universe@390 | 770 | srEntry.appendChild(srChildren); |
universe@390 | 771 | } |
universe@390 | 772 | srResult.appendChild(srEntry); |
universe@390 | 773 | results.appendChild(srResult); |
universe@390 | 774 | } |
universe@390 | 775 | } |
universe@390 | 776 | |
universe@390 | 777 | function init_search() |
universe@390 | 778 | { |
universe@390 | 779 | var results = document.getElementById("MSearchSelectWindow"); |
universe@390 | 780 | for (var key in indexSectionLabels) |
universe@390 | 781 | { |
universe@390 | 782 | var link = document.createElement('a'); |
universe@390 | 783 | link.setAttribute('class','SelectItem'); |
universe@390 | 784 | link.setAttribute('onclick','searchBox.OnSelectItem('+key+')'); |
universe@390 | 785 | link.href='javascript:void(0)'; |
universe@390 | 786 | link.innerHTML='<span class="SelectionMark"> </span>'+indexSectionLabels[key]; |
universe@390 | 787 | results.appendChild(link); |
universe@390 | 788 | } |
universe@390 | 789 | searchBox.OnSelectItem(0); |
universe@390 | 790 | } |
universe@390 | 791 |