2. | Enter the following code:
<html> <head> <title>Kent Tag Translator</title> <meta http-equiv="Content-Type" content="text/html; charset="> <script language="JavaScript"> /********************************************************** * The getTranslatorInfo() function provides information * * about the translator, including its class and name, * * the types of documents that are likely to contain the * * markup to be translated, the regular expressions that * * a document containing the markup to be translated * * would match (whether the translator should run on all * * files, no files, in files with the specified * * extensions, or in files matching the specified * * expressions). * **********************************************************/ function getTranslatorInfo(){ //Create a new array with 6 slots in it returnArray = new Array(6); returnArray[0] = "DREAMWEAVER_TEAM"// The translatorClass returnArray[1] = "Kent Tags"// The title returnArray[2] = "0" // The number of extensions returnArray[3] = "1"// The number of expressions returnArray[4] = "<kent"// Expression returnArray[5] = "byExpression"// run if the file contains "<kent" return returnArray; } /************************************************************************** * The translateMarkup() function performs the actual translation. * * In this translator, the translateMarkup() function is written * * entirely in JavaScript (that is, it does not rely on a C library) -- * * and it's also extremely inefficient. It's a simple example, however, * * which is good for learning. * **************************************************************************/ function translateMarkup(docNameStr, siteRootStr, inStr){ var outStr = ""; // The string to be returned after translation var start = inStr.indexOf('<kent>'); // The first position of the KENT tag // in the document. var replCode = replaceKentTag(); // Calls the replaceKentTag() function // to get the code that will replace KENT. var outStr = ""; // The string to be returned after translation //If the document does not contain any content, terminate the translation. if ( inStr.length <= 0 ){ return ""; } // As long as start, which is equal to the location in inStr of the // KENT tag, is not equal to -1 (that is, as long as there is another // KENT tag in the document) while (start != -1){ // Copy everything up to the start of the KENT tag. // This is very important, as translators should never change // anything other than the markup that is to be translated. outStr = inStr.substring(0, start); // Replace the KENT tag with the translated HTML, wrapped in special // locking tags. For more information on the replacement operation, see // the comments in the replaceKentTag() function. outStr = outStr + replCode; // Copy everything after the KENT tag. outStr = outStr + inStr.substring(start+6); // Use the string you just created for the next trip through // the document. This is the most inefficient part of all. inStr = outStr; start = inStr.indexOf('<kent>'); } // When there are no more KENT tags in the document, return outStr. return outStr; } /************************************************************** * The replaceKentTag() function assembles the HTML that will * * replace the KENT tag and the special locking tags that will * * surround the HTML. It calls the getImage() function to * * determine the SRC of the IMG tag. * **************************************************************/ function replaceKentTag(){ // The image to display. var image = getImage(); // The location of the image on the local disk. var depFiles = dreamweaver.getSiteRoot() + image; // The IMG tag that will be inserted between the lock tags. var imgTag = '<IMG src="/books/4/533/1/html/2//' + image + '" WIDTH="320" HEIGHT="240" ALT="Kent">\n'; // 1st part of the opening lock tag. The remainder of the tag is assembled below. var start = '<MM:BeginLock translator type="kent"'; // The closing lock tag. var end = '<MM:EndLock>'; //Assemble the lock tags and the replacement HTML. var replCode = start + ' depFiles="' + depFiles + '"'; replCode = replCode + ' orig="%3Ckent%3E">\n'; replCode = replCode + imgTag; replCode = replCode + end; return replCode; } /****************************************************************** * The getImage() function determines which image to display * * based on the day of the week, the time of day and the * * user's platform. The day and time are figured based on UTC * * time (Greenwich Mean Time) minus 8 hours, which gives * * Pacific Standard Time (PST). No allowance is made for Daylight * * Savings Time in this routine. * ******************************************************************/ function getImage(){ var today = new Date(); // Today's date & time. var day = today.getUTCDay(); // Day of the week in the GMT time zone. // 0=Sunday, 1=Monday, and so on. var hour = today.getUTCHours(); // The current hour in GMT, based on the // 24-hour clock. var SFhour = hour - 8; // The time in San Francisco, based on the // 24-hour clock. var platform = navigator.platform; // User's platform. All Windows machines // are identified by Dreamweaver as "Win32", // all Macs as "MacPPC". var imageRef; // The image reference to be returned. // If SFhour is negative, you have two adjustments to make. // First, subtract one from the day count because it is already the wee // hours of the next day in GMT. Second, add SFhour to 24 to // give a valid hour in the 24-hour clock. if (SFhour < 0){ day = day - 1; // The day count back one would make it negative, and it's Saturday, // so set the count to 6. if (day < 0){ day = 6; } SFhour = SFhour + 24; } // Now determine which photo to show based on whether it's a workday or a // weekend; what time it is; and, if it's a time and day when Kent is // working, what platform the user is on. //If it's not Sunday if (day != 0){ //And it's between 10am and noon, inclusive if (SFhour >= 10 && SFhour <= 12){ imageRef = "images/kent_tiredAndIrritated.jpg"; //Or else it's between 1pm and 3pm, inclusive }else if (SFhour >= 13 && SFhour <= 15){ imageRef = "images/kent_hungry.jpg"; //Or else it's between 4pm and 5pm, inclusive }else if (SFhour >= 16 && SFhour <= 17){ //If user is on Mac, show Kent working on Mac if (platform == "MacPPC"){ imageRef = "images/kent_gettingStartedOnMac.jpg"; //If user is on Win, show Kent working on Win }else{ imageRef = "images/kent_gettingStartedOnWin.jpg"; } //Or else it's after 6pm but before the stroke of midnight }else if (SFhour >= 18){ //If it's Saturday if (day == 6){ imageRef = "images/kent_dancing.jpg"; //If it's not Saturday, check the user's platform }else if (platform == "MacPPC"){ imageRef = "images/kent_hardAtWorkOnMac.jpg"; }else{ imageRef = "images/kent_hardAtWorkOnWin.jpg"; } }else{ imageRef = "images/kent_sleeping.jpg"; } //If it's after midnight and before 10am, or anytime on Sunday }else{ imageRef = "images/kent_sleeping.jpg"; } return imageRef; } </script> </head> <body> </body> </html>
|
