diff options
author | Christian Schneider | 2020-05-11 17:24:39 +0200 |
---|---|---|
committer | Christian Schneider | 2020-05-11 17:24:39 +0200 |
commit | cef3e6025587f84b3efaddcb127b88deb8c32a02 (patch) | |
tree | d3fe7241ce3022928e4a12147a29c6196ddd6725 | |
parent | c412f1c1463327866baee117504c3a4b3fc33bd6 (diff) | |
download | itools-cef3e6025587f84b3efaddcb127b88deb8c32a02.tar.gz itools-cef3e6025587f84b3efaddcb127b88deb8c32a02.tar.bz2 itools-cef3e6025587f84b3efaddcb127b88deb8c32a02.zip |
Remove obsolete itools javascript functions and loader/jsboot mechanism
-rw-r--r-- | it_html.class | 34 | ||||
-rw-r--r-- | itjs.class | 60 | ||||
-rw-r--r-- | itjs.php | 14 | ||||
-rw-r--r-- | itjs/boot.js | 278 | ||||
-rwxr-xr-x | itjs/http.js | 245 | ||||
-rw-r--r-- | itjs/it.js | 325 | ||||
-rw-r--r-- | itjs/loader.js | 141 | ||||
-rw-r--r-- | itjs/state.js | 118 | ||||
-rw-r--r-- | itjs/timer.js | 64 |
9 files changed, 16 insertions, 1263 deletions
diff --git a/it_html.class b/it_html.class index 424559c..6ddbab9 100644 --- a/it_html.class +++ b/it_html.class @@ -79,7 +79,6 @@ function __construct($p = array()) 'name' => $p['htmltype'] == 'xml' ? 'it_html_xml' : 'it_html', # Name of global variable $this is assigned to (string), XXX Copy and paste in configure() 'nonewlinetags' => 'a,b,em,img,input,label,span,noscript', # tags that do not like newlines after them 'prettyprint' => it::is_devel(), # Should output be prettily indented? - 'show_boot_dom' => false, # If true, append invisible <div id="it_boot_dom"> at the end of body 'show_content_type' => true, # If true, add <meta http-equiv="Content-Type" ...> header 'show_favicon' => true, # If true, add <link> tag to /favicon.ico if it exists 'favicon' => '', # If set, add favicon <link> tag to this url @@ -229,14 +228,7 @@ function head($args = array()) } $js = isset($p['jsenv']) ? "var env = " . itjs::serialize($p['jsenv']) . ";\n" : ''; - $js .= $this->_itjs($p['jsinline'], 'inline'); - - if ($p['js']) - { - $js .= $this->_itjs("boot.js", "inline"); - $js .= "function it_boot_start(){ " . trim($p['jsboot']) . " }\n"; - $js .= "it_boot('/itjs/" . U($p['js'], array('s' => itjs::checksum($p['js']))) . "');\n"; - } + $js .= $this->_itjs($p['jsinline']); if ($js) $data .= $this->js(array(self::_cleanup($js, $p['charset']))); @@ -266,9 +258,6 @@ function body($args) $args[] = div(array('style' => 'position:fixed; bottom:0; z-index:9999; font-family:monospace'), "Debugvars: " . join(" ", $debug_links)); } - if ($this->p['show_boot_dom']) - $args[] = div(array('id' => "it_boot_dom", 'style' => "visibility:hidden")); - return $this->head() . $this->_tag('body', $args); } @@ -580,30 +569,19 @@ function js($args) /** * Include javascript code or generate HTML to include it */ -function _itjs($files, $mode) +function _itjs($files) { $result = ""; if ($files) { $filenames = itjs::filenames($files); + $jsfile = ""; - if ($mode == "files") - { - foreach ($filenames as $file) - $result .= tag('script', array('type' => "text/javascript", 'src' => "/itjs/" . basename($file) . "?v=" . itjs::checksum($file))); - } - else if ($mode == "inline") - { - $jsfile = ""; - - foreach ($filenames as $file) - $jsfile .= @it::file_get_contents($file); + foreach ($filenames as $file) + $jsfile .= @it::file_get_contents($file); - $result .= itjs::strip($jsfile); - } - else - $result .= tag('script', array('type' => "text/javascript", 'src' => "/itjs/$files?v=" . itjs::checksum($filenames))); + $result .= itjs::strip($jsfile); } return $result; @@ -47,56 +47,6 @@ static function serialize($values) return json_encode($values, JSON_UNESCAPED_UNICODE | (it::is_devel() ? JSON_PRETTY_PRINT : 0)); } -/* - * Encode the result into a javascript array to transfer and eval() in client - */ -static function encode($values) -{ - if (!is_array($values)) - return json_encode($values, JSON_UNESCAPED_UNICODE); - - static $jskeyword = array("abstract" => 1, "boolean" => 1, "break" => 1, "byte" => 1, "case" => 1, "catch" => 1, "char" => 1, "class" => 1, "const" => 1, "continue" => 1, "debugger" => 1, "default" => 1, "delete" => 1, "do" => 1, "double" => 1, "each" => 1, "else" => 1, "enum" => 1, "export" => 1, "extends" => 1, "false" => 1, "final" => 1, "finally" => 1, "float" => 1, "for" => 1, "function" => 1, "goto" => 1, "if" => 1, "implements" => 1, "import" => 1, "in" => 1, "instanceof" => 1, "int" => 1, "interface" => 1, "long" => 1, "namespace" => 1, "native" => 1, "new" => 1, "null" => 1, "package" => 1, "private" => 1, "protected" => 1, "public" => 1, "return" => 1, "short" => 1, "static" => 1, "super" => 1, "switch" => 1, "synchronized" => 1, "this" => 1, "throw" => 1, "throws" => 1, "transient" => 1, "true" => 1, "try" => 1, "typeof" => 1, "var" => 1, "void" => 1, "volatile" => 1, "while" => 1, "with" => 1, "xml" => 1); - - $charset = self::$charset ?: ini_get('default_charset'); - $texts = ($values === array_values($values)) ? "[]0 " : "{}1\n"; # Numerical or associative array - $result = $texts[0]; - - foreach ($values as $key => $value) - { - $result .= $separator; - - if ($texts[2]) - { - if ($jskeyword[$key] || !preg_match('/^[a-z_]\w*$/i', $key)) - $key = "'" . addslashes($key) . "'"; - - $result .= "$key:"; - } - - if ($value === true) - $result .= 'true'; - else if ($value === false) - $result .= 'false'; - else if (!is_array($value)) - { - $quote = (strval(intval($value)) === strval($value)) ? "" : '"'; - if (strtolower($charset) != "utf-8") - $value = strtr($value, array("\x84" => '"', "\x93" => '"', "\x94" => '"')); - $string = strtr($value, array("\0" => '\\0', '"' => '\\"', "</"=>"<\\/", "\n" => '\\n', "\r" => '\\r', "\t" => '\\t', "\\" => '\\\\')); - $string = $GLOBALS['itjs_defaultconfig']['latin2unicode'] ? preg_replace_callback('/([\xa0-\xff])/', function($m) { return sprintf("\\u%04x", ord($m[1])); }, $string) : $string; - $result .= $quote . $string . $quote; - } - else - $result .= itjs::encode($value); - - $separator = "," . $texts[3]; - } - - $result .= $texts[1]; - - return $result; -} - /** * Convert UNTRUSTED comma separated filelist string to trusted local filenames. Missing files are ignored. */ @@ -106,9 +56,11 @@ static function filenames($filelist) $local = $GLOBALS['ULTRAHOME'] . "/itjs"; $itjs = "/www/server/phpinclude/itools/itjs"; $libsearch = strlen($GLOBALS['debug_lib']) > 1 ? "/www/lib-" . $GLOBALS['debug_lib'] . ".search.ch" : "/www/lib.search.ch"; - $special = array( + $deprecated = array( "itools" => "$itjs/it.js,$itjs/http.js,$itjs/loader.js,$itjs/state.js,$itjs/timer.js", "boot.js" => "$itjs/boot.js", + ); + $special = array( "error.gif" => "$itjs/error.gif", "search.css" => "$libsearch/doc/search.css", "prettyprint.css" => "$libsearch/doc/prettyprint.css", @@ -116,6 +68,12 @@ static function filenames($filelist) foreach (it::match("[-\w.=?&]+", basename($filelist), array('all' => true)) as $file) # split by comma but ignore illegal chars { + if ($deprecated[$file]) + { + it::error('title' => "Deprecated itjs file '$file' used"); + continue; + } + $filenames = $special[$file] ?: (file_exists("$local/" . it::match('^[^?]*', $file)) ? "$local/$file" : "$libsearch/itjs/$file"); foreach (explode(",", $filenames) as $filename) @@ -43,7 +43,6 @@ if (it::match('\.gif$', $lastfile)) else if (it::match('\.css', $lastfile)) { header("Content-Type: text/css"); - $data .= "\n#it_boot_dom { display:none }\n"; # Append magic style for it_boot if (!it::match('^devel', $GLOBALS['ULTRASERVERTYPE'])) $data = it::replace(array('[ \t]*([{};])[ \t]*' => '$1', '/\*.*?\*/' => ""), $data); if (it::match('W3C_CSS_Validator', $_SERVER['HTTP_USER_AGENT']) || $_GET['w3c']) @@ -86,15 +85,4 @@ else if ($files && !it::match('\.html$', $lastfile)) if (strpos($data, "<?php") !== false) it::error("sending php source?!"); -$data = itjs::strip($data); - -if ($_REQUEST['boot']) -{ - $data .= "window.it_boot_init();\n"; - if (!$_REQUEST['script']) - $data = sprintf("/*sln:%d*/\n%s/*eln:%d*/", grapheme_strlen($data), strtr($data, array('%' => "%25", '.' => "%2e", 'e' => "%65", 'i' => "%69")), grapheme_strlen($data)); # Protect from Firewalls/Proxies altering Javascript source code -} - -echo it_untaint($data); - -?> +echo itjs::strip($data); diff --git a/itjs/boot.js b/itjs/boot.js deleted file mode 100644 index 13b382f..0000000 --- a/itjs/boot.js +++ /dev/null @@ -1,278 +0,0 @@ -var it_boot_status = "boot"; -var it_panictimer = window.setTimeout("it_panic({reason:it_boot_status})", 31337), it_domtimer; -var it_starttime = new Date().getTime(); - -function it_stacktrace() -{ - var stacktrace = ""; - var callstack_done = false; - - try { i.dont.exist += 0; } // does not exist - that's the point - catch (e) - { - if (e.stack) // Firefox - { - stacktrace = e.stack.replace(/^[^\n]*\n/,'').replace(/(\n@)?\s+$/,'$1').replace(/^\(/g,'{anonymous}(') + ';'; - callstack_done = true; - } - else if (window.opera && e.message) // Opera - { - var entry, lines = e.message.split("\n"); - for (var i=1, len=lines.length; i < len; i++) - { - if (lines[i].match(/^\s*[A-Za-z0-9\-_\$]+\(/)) - { - entry = lines[i]; - // append next line also since it has the file info - if (lines[i+1]) - { - entry += " at " + lines[i+1]; - i++; - } - stacktrace += entry + ','; - } - } - callstack_done = true; - } - } - - if (!callstack_done) // IE and Safari - { - var fname, current_func = arguments.callee.caller; - while (current_func) - { - fname = /function\s*([\w\-$]+)?\s*\(/.test(current_func.toString()) ? RegExp.$1 || 'anonymous' : 'anonymous'; - stacktrace += fname + ','; - current_func = current_func.caller; - } - } - - return stacktrace; -} - -function it_catcherr(msg, url, line) -{ - var stacktrace = it_stacktrace(); - - if (typeof it_boot.sequence != 'undefined') - { - // trigger it_boot retry if error occured while evaluating loaded script - if (it_boot.sequence == 'ble' && it_boot.file) - { - it_boot(it_boot.file, true); - return true; - } - - stacktrace += "it_boot=" + it_boot.sequence + ";it_boot_file=" + it_boot.file; - } - if (typeof window.it_loader != 'undefined' && it_loader.sequence) - stacktrace += "it_loader=" + it_loader.sequence + ";"; - - it_boot_report({msg:msg, url:url, line:line, stacktrace:stacktrace}); - - return !window.env || !!window.env.is_live_server; // No env or live server -> suppress error -} - -window.onerror = it_catcherr; - -function it_boot_addparam(url, param) -{ - return url + (url.match(/\?/) ? "&" : "?") + param; -} - -function it_panic(p) -{ - if (!document.location.href.match(/[?&]static=/) && window.env && window.env.ua && window.env.ua.full && window.env.ua.device != "bot") // Avoid loop and non-full user agents - window.setTimeout("document.location.href = it_boot_addparam(document.location.href, 'static=" + p.reason + "')", 500); - - p.type = "panic"; - p.stacktrace = it_stacktrace(); - return it_boot_report(p); -} - -function it_boot_report(p) -{ - window.clearTimeout(window.it_domtimer); - window.clearTimeout(window.it_panictimer); - var loader = null; - var data = ""; - var postdata = p.data; - delete p.data; - p.time = new Date().getTime() - it_starttime; - - for (var k in p) - data += (data ? '&' : '') + k + "=" + escape(p[k]).replace(/\+/g, "%2B"); - - var url = "/itjs/error.gif?" + data; - - if (postdata) - { - loader = it_boot_getloader(); - for (var k in postdata) - data += (data ? '&' : '') + k + "=" + escape(postdata[k]).replace(/\+/g, "%2B"); - } - - try - { - loader.open('POST', url); - loader.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); - loader.send(data); - } - catch (e) - { - new Image().src = url; - } -} - -function it_boot_checkcss(style, key, value) -{ - return navigator.userAgent.match(/konqueror/i) || (style && style.getPropertyValue && (style.getPropertyValue(key) == value)); -} - -function it_boot_init() -{ - it_boot.sequence += "i"; - window.it_domtimer = null; - var konqueror = navigator.userAgent.match(/konqueror/i); - var doc = document; - var dom = doc && (dom = doc.getElementById('it_boot_dom')); // HTML has been rendered - var view = dom && doc.defaultView; // We can check if stylesheet is active - var style = view && view.getComputedStyle && view.getComputedStyle(dom, ''); - var css = window.it_boot_checkcss(style, "visibility", "hidden"); // CSS active (inline style on tag) - var stylesheet = window.it_boot_checkcss(style, "display", "none"); // External stylesheet loaded - - if (!(doc || !(it_boot_status = "doc")) || !(dom || !(it_boot_status = "dom")) || (style && !(stylesheet || !(it_boot_status = "stylesheet")))) - { - window.it_domtimer = window.setTimeout("it_boot_init()" , 42); - - if (style && !css) - it_panic({reason:"css"}); - - return; - } - - window.clearTimeout(window.it_panictimer); - it_boot.sequence += "s"; - window.it_boot_start(); - it_boot.sequence = ""; -} - -function it_boot_getloader() -{ - var result = null; - - if (!navigator.userAgent.match(/iPhone|iP.d/)) // Do not use XMLHttpRequest on iOS devices as it does not use cache - { - try - { - result = new XMLHttpRequest(); - } - catch (e) - { - var classnames = [ 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP' ]; - - for (var i in classnames) - try { result = new ActiveXObject(classnames[i]); break; } catch (e) {} - } - } - - return result; -} - -function it_boot(file, isretry) -{ - it_boot.file = file; - it_boot.sequence = isretry ? "r" : "b"; - var loader = it_boot_getloader(); - var bootparam = "boot=1" + (isretry ? "&retry=1" : ""); - var jsdebug = !!document.location.hostname.match(/\.jsdebug\./); - - if (loader && !jsdebug) - { - it_boot.sequence += "l"; - loader.open("GET", it_boot_addparam(file, bootparam)); - loader.onreadystatechange = function() - { - var error = "", code = ""; - - if (loader.readyState == 4) - { - if (loader.status < 400) // Opera gives back 304 if from cache - { - // check length cookie - var ln = String(loader.responseText).match(/\*sln:([0-9]+)[^\n]*\n([\s\S]*\n)\/\*eln:\1/); - code = ln ? unescape(ln[2]) : loader.responseText; - if (ln && ln[1]-0 == code.length) - { - it_boot.sequence += "e"; - if (!window.env || !!window.env.is_live_server) - code = "try {" + code + "} catch (e) { it_catcherr(e.message, it_boot.file, -1); }"; // Wrapped in try/catch as Konqueror does not support window.onerror - if (window.execScript) - window.execScript(code, "javascript"); // IE work-around to get script executed in global scope - else - window.setTimeout(code, 0); // Standard compliant version - } - else - error = (ln ? "length mismatch: " + ln[1] + " != " + code.length : "no length cookie"); - } - else - error = loader.statusText; - - if (error) - { - if (isretry) - it_panic({reason:'load', error:error, data:{code:code}}); - else - it_boot(file, true); - } - } - } - loader.send(null); - } - else - { - var doc = document; - var dom = doc && (dom = doc.getElementById('it_boot_dom')); // HTML has been rendered - var files = []; - it_boot.sequence += "n"; - bootparam += "&script=1"; - if (jsdebug) { - var path = file.match(/^(.*\/)[^\/]*$/)[1]; - var params = file.match(/\?.*$/)[0]; - var imports = file.split(','); - for (var i=0; i<imports.length; i++) { - var script = imports[i]; - if (script.substr(0, path.length) != path) - script = path + script; - if (script.substr(script.length - params.length, params.length) != params) - script = script + params; - if (i == imports.length-1) - script = it_boot_addparam(script, bootparam); - else - script = it_boot_addparam(script, 'script=1'); - files.push(script); - } - } - else - files = [it_boot_addparam(file, bootparam)]; - - if (window.opera || (document.all && navigator.platform.indexOf("Mac") >= 0)) { - for (var i=0; i < files.length; i++) - document.write('<sc'+'ript type="text/javascript" src="' + files[i] + '"><\/sc'+'ript>'); - } - else if (dom) - { - for (var i=0; i < files.length; i++) { - var tag = doc.createElement("script"); - tag.src = files[i]; - dom.appendChild(tag); - } - } - else - window.it_domtimer = window.setTimeout("it_boot('" + file + "')" , 42); - } -} - -if (document.documentElement) - document.documentElement.className += ' js'; - diff --git a/itjs/http.js b/itjs/http.js deleted file mode 100755 index 9f1bd4b..0000000 --- a/itjs/http.js +++ /dev/null @@ -1,245 +0,0 @@ -/** - * Create http loader to request data from server - * - * @param cb Callback function or object with keys 'object', 'method', ['errorhandler'] - */ -function it_http(cb) -{ - this.instance = it_http.instances++; - this.callback = cb ? cb : {}; - this.req = null; - this.scrpt = []; - this.callid = 0; - this.busy = false; - - // register global reference - it_http['__inst' + this.instance] = this; -} - -/* Methods */ -it_http.prototype = { - -/* send GET request and trigger callback */ -get: function(url, callback) -{ - if (typeof callback != 'undefined') - this.callback = callback; - this.send(url, 'GET'); -}, - -/* send POST request with data and trigger callback */ -post: function(url, data, callback) -{ - if (typeof callback != 'undefined') - this.callback = callback; - - var postdata = ''; - if (typeof data == 'object') - { - for (var k in data) - postdata += (postdata ? '&' : '') + it_url_encode(k) + "=" + it_url_encode(data[k]); - } - else - postdata = data; - - this.send(url, 'POST', postdata); -}, - -/* private method that finally sends the request */ -send: function(url, method, postdata) -{ - this.stop(); - - this.busy = true; - this.req = null; - var samehost = (!url.match(/^(\w+:)?\/\//) || url.indexOf(window.location.hostname) > 0); - - if (samehost) // use XMLHTTP request only if on same host - { - try - { - this.req = new XMLHttpRequest(); - } - catch (e) - { - var classnames = [ 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP' ]; - - for (var i=0; i < classnames.length; i++) - { - try - { - this.req = new ActiveXObject(classnames[i]); - break; - } - catch (e) { } - } - } - - try - { - this.req.open(method, url); - var me = this; - this.req.onreadystatechange = function() { me.ready_state_changed(); } - var workingxmlhttp = this.req.onreadystatechange; - - if (!workingxmlhttp) /* Old Konqueror */ - this.req = null; - } - catch (e) { } - } - - this.starttime = new Date().getTime(); - - if (this.req) - { - if (method == "POST") - this.req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); - - this.req.send(postdata); - } - else - { - url += (url.match(/\?/) ? "&" : "?") + "itjs_call=it_http.__inst" + this.instance + "&itjs_callid=" + (++this.callid) + (postdata ? '&' + postdata : ""); - - if (samehost || (window.opera && !window.XMLHttpRequest)) // Opera 7 only works with iframes - { - var scrpt = document.createElement("iframe"); - scrpt.style.width = scrpt.style.height = 1; - url += "&itjs_iframe=1"; - } - else - { - var scrpt = document.createElement("script"); - this.req = { starttime: this.starttime }; - try - { - this.scrpt[this.callid] = scrpt; - if (!document.all) scrpt.src = url; - document.body.appendChild(scrpt); - if (document.all) scrpt.src = url; - } - catch (e) { return false; } - } - } - - return true; -}, - -ready_state_changed: function() -{ - var req = this.req; // Avoid race conditions - - if (req && !req.aborted && req.readyState == 4) // Check aborted flag because IE9 throws error c00c023f when accessing aborted request - { - var data = null; - - try - { - if (req.responseText != "") - data = eval("(" + req.responseText + ")"); - } - catch (e) - { - // trigger error handler (if defined) - if (typeof this.callback == 'object' && this.callback.errorhandler) - { - var obj = this.callback.object ? this.callback.object : window; - if (typeof obj[this.callback.errorhandler] == 'function') - obj[this.callback.errorhandler](req.responseText); - } - else - ED(e, req.responseText); - } - - if (data) - this.dataReady(data, this.callid); - - this.unlink(this.callid); - } -}, - -dataReady: function(data, callid) -{ - var fixkonqueror33gcbug = this.req; - var loadtime = new Date().getTime() - this.starttime; - - this.req = null; - - if ((typeof data == "object") && (this.callid == callid)) - { - data.loadtime = loadtime; - - // trigger callback function - if (typeof this.callback == 'function') - this.callback(data); - else if (typeof this.callback == 'object' && this.callback.method) - { - // it_set(data, this.callback); - var obj = this.callback.object ? this.callback.object : window; - if (typeof obj[this.callback.method] == 'function') - obj[this.callback.method](data); - } - } -}, - -stop: function() -{ - try { - this.req.aborted = true; // Set aborted flag as IE9 throws error c00c023f when accessing aborted request - if (this.req.readyState >= 2) // Do not abort request never used before as it can throw error e.g. on Firefox - this.req.abort(); - } catch (e) { } - - this.unlink(this.callid); -}, - -unlink: function(callid) -{ - if (this.req) - this.req = null; - - if (this.scrpt[callid]) - { - if (!(document.all && String(navigator.userAgent).indexOf('MSIE 5.0') > 0)) - document.body.removeChild(this.scrpt[callid]); - this.scrpt[callid] = null; - } - - this.busy = false; -} /* NO COMMA */ - -} - - -// static properties -it_http.instances = 0; - -// static methods -it_http.get_instance = function() -{ - var inst; - for (var i=0; i < it_http.instances; i++) - if ((inst = it_http['__inst'+i]) && inst.pub && !inst.busy) - return inst; - - inst = new it_http(); - inst.pub = true; - return inst; -} - -/* send GET request and trigger callback */ -it_http.get = function(url, callback) -{ - var inst = it_http.get_instance(); - inst.callback = callback; - inst.get(url); -} - -/* send POST request and trigger callback */ -it_http.post = function(url, postdata, callback) -{ - var inst = it_http.get_instance(); - inst.callback = callback; - inst.post(url, postdata); -} - diff --git a/itjs/it.js b/itjs/it.js deleted file mode 100644 index a40350d..0000000 --- a/itjs/it.js +++ /dev/null @@ -1,325 +0,0 @@ -/** - * Clear contents of element 'jsdebug' - */ -function CED(txt) -{ - var element = document.getElementById('jsdebug'); - if (element) - element.innerHTML = txt ? txt : ""; -} - -/** - * Return string with dump of all arguments - */ -function D() -{ - var text = ""; - for (var i = 0; i < arguments.length; i++) - { - var variable = arguments[i]; - - if (typeof variable == "string") - variable = variable.replace(/&/g, '&').replace(new RegExp("<", "g"), '<'); - - text += (typeof variable) + " " + variable; - - if (typeof variable == "object") - { - text += ":"; - - for (field in variable) - { - text += field + "="; - - try { text += typeof variable[field] == 'function' ? 'function' : variable[field]; } - catch (e) { text += "*" + e + "*"; } - - text += "\n"; - } - text += "\n"; - } - - text += "\n"; - } - return text; -} - -/** - * Add debugging output to element 'jsdebug' - */ -function ED() -{ - var element; - - if (!(element = document.getElementById('jsdebug'))) - return; // var element = it_create_element(document.body, 'div', {id:'jsdebug', style:{position:'absolute', left:'100px', top:'10px', opacity:'0.8'}}) - - element.innerHTML += '<pre style="background-color:#FEE; margin:0">' + D.apply(this, arguments) + '<' + '/pre>'; -} - -/** - * Quote HTML special chars - * @return Text string with & " < > htmlentities-encoded - */ -function Q(value) -{ - return typeof value == "undefined" ? "" : value.toString().replace(/&/g, '&').replace(/\"/g, '"').replace(new RegExp("<", "g"), '<').replace(/>/g, '>'); -} - -/** - * String class: Replaces variables of the form {var} with values from given array - * @param values Associative array containing values to fill in (optional) - * @return Text string with variables replaced by their values - */ -String.prototype.T = function(values) -{ - var result = this; - - for (key in values) - result = result.replace(new RegExp("{" + key + "}", "g"), values[key]); - - return result; -} - -/** - * Insert an event handler on top of chain - * @param p.element Element to handle event for - * @param p.event Name of event:'focus', 'click', ... (without 'on') - * @param p.object Object that contains handler method - * @param p.method Method of p.object to call on p.event - */ -function it_event(p) -{ - var oldhandler = p.element["on" + p.event]; - - p.element["on" + p.event] = function(ev) - { - var pp = arguments.callee.p ? arguments.callee.p : p; - var oo = arguments.callee.oldhandler ? arguments.callee.oldhandler : oldhandler; - - var result = pp.object[pp.method](ev ? ev : window.event, pp); - - if (result && oo) - result = oo(ev); - - return result; - } - p.element["on" + p.event].p = p; - p.element["on" + p.event].oldhandler = oldhandler; -} - -function it_add_event(p) -{ - if (!p.object || !p.method) // not enough arguments - return; - if (!p.element) - p.element = document; - - if (!p.object._it_events) - p.object._it_events = []; - - var evt = p.event; - var key = p.event + '*' + p.method; - var p_closure = p; // Needed for Konqueror 3.4.2 as p is (wrongly) shadowed by global input element named p - if (!p.object._it_events[key]) - p.object._it_events[key] = function(e){ return p_closure.object[p_closure.method](e, p_closure); }; - - if (p.element.addEventListener) - p.element.addEventListener(evt, p.object._it_events[key], false); - else if (p.element.attachEvent) - p.element.attachEvent('on'+evt, p.object._it_events[key]); - else - { - p.element['on'+evt] = function(e) - { - var ret = true; - for (var k in p_closure.object._it_events) - if (p_closure.object._it_events[k] && k.indexOf(evt) == 0) - ret = p_closure.object._it_events[k](e); - return ret; - }; - } -} - -function it_remove_event(p) -{ - if (!p.element) - p.element = document; - - var key = p.event + '*' + p.method; - if (p.object && p.object._it_events && p.object._it_events[key]) { - if (p.element.removeEventListener) - p.element.removeEventListener(p.event, p.object._it_events[key], false); - else if (p.element.detachEvent) - p.element.detachEvent('on'+p.event, p.object._it_events[key]); - - p.object._it_events[key] = null; - } -} - -/** - * Prevent event propagation and bubbeling - */ -function it_event_void(evt) -{ - var e = evt ? evt : window.event; - if (e.preventDefault) - e.preventDefault(); - if (e.stopPropagation) - e.stopPropagation(); - - e.cancelBubble = true; - e.returnValue = false; - return false; -} - -/* Get object pixel position. Based on quirksmode.org's code */ -function it_get_obj_x(obj) -{ - if("getBoundingClientRect" in obj) - return obj.getBoundingClientRect().left + ((window.pageXOffset !== undefined) ? window.pageXOffset : (document.documentElement || document.body.parentNode || document.body).scrollLeft); - else - { - // legacy for Android 1.6 - var curleft = 0; - if (obj.offsetParent) - while (obj) - { - curleft += obj.offsetLeft; - obj = obj.offsetParent; - } - else if (obj.x) - curleft += obj.x; - return curleft; - } -} - -function it_get_obj_y(obj) -{ - if("getBoundingClientRect" in obj) - return obj.getBoundingClientRect().top + ((window.pageYOffset !== undefined) ? window.pageYOffset : (document.documentElement || document.body.parentNode || document.body).scrollTop); - else - { - // legacy for Android 1.6 - var curtop = 0; - if (obj.offsetParent) - while (obj) - { - curtop += obj.offsetTop; - obj = obj.offsetParent; - } - else if (obj.y) - curtop += obj.y; - return curtop; - } -} - -/* Common accessor for dom elements */ -function it_find_obj(obj) -{ - if (document.getElementById) - return document.getElementById(obj); - else if (document.all) - return document.all[obj]; - else if (document.layers) - return document.layers[obj]; - return null; -} - -/* Get dom element by ID but always return a valid object */ -function it_element(label) -{ - var tmp = it_find_obj(label); - return tmp ? tmp : { style:{}, src:"", value:"", isundefined:true }; -} - -/* Get an iframe's content document in a compatible way */ -function it_get_iframe_document(iframe) -{ - return iframe.contentWindow ? iframe.contentWindow.document : iframe.contentDocument; -} - -/* Create a new dom element and append to doc */ -function it_create_element(doc, type, init) -{ - var e = document.createElement(type); - it_set(e, init); - doc.appendChild(e); - return e; -} - -/** - * Copy attributes from src to dst in a recursive manner. - * @param dst Destination object which gets attributes - * @param src Source object containing attributes - */ -function it_set(dst, src) -{ - if (dst) - { - for (var i in src) - { - if (typeof src[i] == 'object') - { - if (dst[i]) - it_set(dst[i], src[i]); - } - else - dst[i] = src[i]; - } - } -} - -/** - * Return the current timestamp - */ -function it_now() -{ - return new Date().getTime(); -} - -/** - * Encodes arbitrary string for use in an url - * @param str string to be encoded - */ -function it_url_encode(str) -{ - var result = window.encodeURIComponent ? encodeURIComponent(str) : escape(str).replace(/\+/g, "%2B"); - - return result.replace(/%20/gi, "+").replace(/%2C/gi, ",").replace(/%3B/gi, ";").replace(/%28/gi, "(").replace(/%29/gi, ")"); -} - -/** - * Unicode-safe equivalent of unescape() - * @param str string URL encoded string to be decoded - */ -function it_url_decode(str) -{ - str = str.replace(/\+/g, '%20'); - - // catch URI malformed errors - try { - if (window.decodeURIComponent) - return decodeURIComponent(str); - } - catch(e) {} - - return unescape(str); -} - -/** - * Patch PNG transparency for IE 5.5-6 on the given image - */ -function it_pngfix(img, w, h, mode) -{ - var old_IE = navigator.platform == "Win32" && String(navigator.userAgent).match(/MSIE ((5\.5)|6)/); - if (img.src && img.src.match(/\.png($|\?)/) && old_IE) { - img.style.width = (w || img.width) + 'px'; - img.style.height = (h || img.height) + 'px'; - img.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+img.src+"',sizingMethod='"+(mode ? mode : 'crop')+"')"; - img.src = '/images/0.gif'; - } - else if (img && old_IE) - img.style.filter = 'none'; -} - diff --git a/itjs/loader.js b/itjs/loader.js deleted file mode 100644 index 9fdb9a8..0000000 --- a/itjs/loader.js +++ /dev/null @@ -1,141 +0,0 @@ -/** - * Create loader to request data from server - * Uses it_http class for communication - * - * @param handler Object providing clear()/render() function when data arrives - */ -function it_loader(handler) -{ - /* Clear cache etc. if completely new data */ - this.http = null; - this.handler = handler; - this.callback = { object:this, method:'dataReady', errorhandler:'onerror' }; - this.clear(); -} - -/* Methods */ -it_loader.prototype = -{ - -/* Clear cache and initialize handler */ -clear: function() -{ - /* Clear cache etc. if completely new data */ - this.entry = new Array(); - this.start = this.end = 0; - this.attr = { num: 0, loadtime: 0 }; - - if (this.handler.clear) - this.handler.clear(); -}, - -load: function(baseurl, pos, num, query_volatile, retry) -{ - /* Convert to int */ - pos -= 0; - num -= 0; - - if (isNaN(retry)) - retry = 0; - - if (baseurl != this.baseurl) - { - this.clear(); - this.baseurl = baseurl; - this.start = this.end = pos; - } - - this.pos = pos; |