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  #1  
Old June 20th, 2013, 10:16 AM
esmith's Avatar
esmith esmith is offline
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Default Clever use for switch loop

While researching a solution for another thread, I came across a clever use of the switch statement. Often I wish I could set up cases that use conditionals rather than a specific value. In the past, I used multiple else/if statements, but now I can do this:

Code:
switch (true) {
    case counter<=8:
        table = "Table 1";
        break;
    case counter<=16:
        table = "Table 2";
        break;
    case counter<=24:
        table = "Table 3";
        break;
    case counter<=32:
        table = "Table 4";
        break;
    case counter<=40:
        table = "Table 5";
        break;
    case counter<=48:
        table = "Table 6";
        break;
    case counter<=56:
        table = "Table 7";
        break;
    case counter<=64:
        table = "Table 8";
        break;
    case counter<=72:
        table = "Table 9";
        break;
    case counter<=80:
        table = "Table 10";
        break;
    case counter<=88:
        table = "Table 11";
        break;
    case counter<=96:
        table = "Table 12";
        break;
    case counter<=104:
        table = "Table 13";
        break;
    default:
       table = "Table 14";
}
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  #2  
Old June 20th, 2013, 10:55 AM
Dan Korn's Avatar
Dan Korn Dan Korn is offline
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Default Re: Clever use for switch loop

That is clever, but this works also:
Code:
table = "Table " + Int((counter - 1) / 8) + 1;
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  #3  
Old June 20th, 2013, 11:38 AM
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esmith esmith is offline
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Default Re: Clever use for switch loop

Touche. Perhaps my use case is a bad example. But testing for "TRUE" in a switch loop seems to open up several possibilities that may not always have a math one liner. :P
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Old June 20th, 2013, 02:05 PM
Dan Korn's Avatar
Dan Korn Dan Korn is offline
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Default Re: Clever use for switch loop

Quote:
Originally Posted by esmith View Post
Touche. Perhaps my use case is a bad example. But testing for "TRUE" in a switch loop seems to open up several possibilities that may not always have a math one liner. :P
Yes, absolutely. I've used that before as well:
http://forums.pti.com/showpost.php?p=1157&postcount=4

But, as that post shows, there's almost always a more succinct way to structure the code to isolate the actual comparisons.
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Dan Korn
FusionPro Developer / JavaScript Guru / Forum Moderator
PTI Marketing Technologies | Printable | MarcomCentral
LinkedIn

I am a not a Support engineer, and this forum is not a substitute for Support. My participation on this forum is primarily as a fellow user (and a forum moderator). I am happy to provide help and answers to questions when I can; however, there is no guarantee that I, or anyone else on this forum, will be able to answer all questions or fix any problems. If I ask for files to clarify an issue, I might not be able to look at them personally. I am not able to answer private messages, emails, or phone calls unless they go through proper Support channels. Please direct any sales or pricing questions to your salesperson or inquiries@marcom.com.

Complex template-building questions, as well as all installation and font questions or problems, should be directed to FusionProSupport@marcom.com. Paid consulting work may be required to fulfill your template-building needs.

This is a publicly viewable forum. Please DO NOT post fonts, or other proprietary content, to this forum. Also, please DO NOT post any "live" data with real names, addresses, or any other personal, private, or confidential data.

Please include the specific versions of FusionPro, Acrobat, and your operating system in any problem reports or help requests. I recommend putting this information in your forum signature. Please also check your composition log (.msg) file for relevant error or warning messages.

Please post questions specific to the MarcomCentral Enterprise and Web-to-Print applications in the MarcomCentral forum. Click here to request access. Or contact your Business Relationship Manager (BRM/CPM) for assistance.

Please direct any questions specific to EFI's Digital StoreFront (DSF) to EFI support.

How To Ask Questions The Smart Way

The correct spellings are JavaScript, FusionPro, and MarcomCentral (each with two capital letters and no spaces). Acceptable abbreviations are JS, FP, and MC (or MCC). There is no "S" at the end of "Expression" or "Printable"! The name of the product is FusionPro, not "Fusion". "Java" is not is not the same as JavaScript.

Check out the JavaScript Guide and JavaScript Reference! FusionPro 8.0 and newer use JavaScript 1.7. Older versions use JavaScript 1.5.

return "KbwbTdsjqu!spdlt\"".replace(/./g,function(w){return String.fromCharCode(w.charCodeAt()-1)});
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