FrontPage: A Serious Developer's Tool

By Vince Barnes

Normal provides a WYSIWYG view (What You See Is What You Get) of the page and allows for graphical editing and creation of the layout of items on the page.  This graphical editing is particularly useful when it comes to such things as laying out tables within tables, perhaps where pictures or other graphics are in use in some of the cells.  Since the purpose of any page is for somebody to look at it, being able to look at it while you lay it out is actually quite useful for all aspects of its design!

HTML is the secret weapon in the convert the hard-core arsenal!  This tab gives you a text editor view of the raw code that is generating the page.  The view uses colors to differentiate between HTML tags, text, JavaScript code or VB script, webbot code (these webbots are a part of FrontPage's own page generating weaponry more about this later), etc., making it easy to read the code.  You can still use all the graphical editor buttons, such as those to insert a table or a picture.  The difference here is that you see the code inserted instead of the effect on the page.  As far as text editors for HTML or ASP pages go, this one is very near the top of the heap!  If you know your HTML, you can make it do anything you would like to in this view.

Preview allows for just what you would expect.  FrontPage also has a cool Preview in Browser feature.  Located on the File menu, this feature allows you to select from any of the browsers installed on the machine and to preset the window size for that browser.  Thus you can check cross browser compatibility as well as checking out how well your design fits different sized windows.

This gives an idea of the basic features of FrontPage.  Now lets take a look at what it can generate.

Earlier versions of FrontPage developed a reputation for creating clunky code and for changing elegant manually created code into code of its own ilk.  This feature was long gone by the time FrontPage 2000 was released.  FrontPage now generates quite nice, concise code and leaves your code alone as long as you dont mess with its code!  Let me explain and also uncovered in this explanation is another of the secret weapons of FrontPage!!

To set a scene: we need to create a page with a form with fifty or so elements to be filled out by the page visitor.  When the user clicks submit we must validate all the data on the form, and when it is good, we must send it off to a data file.

If we do this in FrontPage, we can specify the validation we require on each form field and FrontPage attaches a webbot detail to the field describing the required validation (take a look at the HTML view of the page).  It also adds code to the form definition tags like this:

action="--WEBBOT-SELF--" onsubmit="return FrontPage_Form1_Validator(this)" name="FrontPage_Form1"

This will invoke the validator to check all the input fields according to our defined validation requirements.  The trick is how it does it!

Use the Preview in Browser  to look at the page, right click on it and View Source.  You can now see all the code as provided to the client browser (by default, youll be looking at it in Notepad).  Look at all that sweet JavaScript code!  As the onsubmit code above would suggest, the validation is actually being performed by this generated JavaScript.

Heres the catch: since this code was generated by FrontPage, it feels it owns the code so if you try to copy it into place in the original page and tweak it a little, the next time FrontPage looks at the page, it will undo your tweaks.  No problem!  Suppose you want to add validation such that if this field is checked, these three must be populated and this must be numeric, in other words validation for one field dependant of the value of another.  This would require adding if statements and other bits of JavaScript to the validation routine.  Heres what you do:  use FrontPage to generate all the validations you can, using the above described method.  Copy and paste the code into your original page.  Change the name of the validation routine, both on its function statement and where it is invoked on the Form statement. Change the name of the form itself.  Remove all the
<!--webbot bot="Validation   -->" tags from the body of the form.  Dont miss any this is important!  Notice also that when you add the Send to File Name and Email option to the Form Properties, FrontPage generates a <!--webbot bot="SaveResults" tag under the Form tag.  Leave this one alone if you still want to save your results.  All that JavaScript is now yours, tweak it as you will, FrontPage will leave it alone!

Changing the name of the form was important, because if it sees its generated name and there is no longer any webbot validation, etc. in the form, FrontPage will remove the name from the form altogether and you may well need that somewhere.  The form name is not used to identify the fields in the form since the generated validation routine use theForm as a form name and is called with the this keyword.  Similarly, changing the name of the routine prevents FrontPage from presuming that it still owns the code.  While earlier versions of FrontPage would change pretty much anything they wanted to, 2000 onwards leaves your code alone.

This explanation seems a little long winded, but if you try it you will find you can create very sophisticated code simply and quickly, using the base of code generated by FrontPage.  Also, hunt around in the program there are other treasures to be unearthed!

FrontPage has a rich feature set, and when you consider that it can look like a WYSYWIG generator and an HTML text editor at the same time, allows for easy previewing and can generate tons of useful code for you, it becomes a product worth a look, even for the most hard core coders!  Productivity rules! More, Better, Faster are the words of the day and in this light I think we can use all the help we can get.  There is no doubt for me that FrontPage belongs in my toolbox.  It sits near the top because I pull it out often!

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