Difference between revisions of "Knowls"
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| − | <h2>Knowls</h2> |
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| + | {{historical}} |
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| + | <p style="font-size: 120%;font-weight:bold">This problem has been replaced with [https://openwebwork.github.io/pg-docs/sample-problems/problem-techniques/Knowls.html a newer version of this problem]</p><h2>Knowls</h2> |
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<!-- Header for these sections -- no modification needed --> |
<!-- Header for these sections -- no modification needed --> |
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<td style="background-color:#ffffdd;border:black 1px dashed;"> |
<td style="background-color:#ffffdd;border:black 1px dashed;"> |
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<pre> |
<pre> |
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| − | |||
| + | BEGIN_TEXT |
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$PAR |
$PAR |
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Here is a knowl |
Here is a knowl |
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| − | \{ knowlLink("click me", value=>'This is the inside of a knowl. If you click again, I will go away') \} |
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| + | \{ knowlLink("click me", |
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| − | $PAR |
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| + | value=>'This is the inside of a knowl. ' . |
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| + | 'If you click again, I will go away') \} |
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$PAR |
$PAR |
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Here is another knowl |
Here is another knowl |
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| − | \{ knowlLink("click me", |
+ | \{ knowlLink("click me", |
| + | url=>'url_of_file_with_information') \} |
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| + | |||
$PAR |
$PAR |
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| − | |||
| + | \{ |
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| + | knowlLink("a math knowl", |
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| + | value=>escapeSolutionHTML(EV3P("the sine function is \\(\\sin(x)\\)")), base64=>1); |
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| + | \} |
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| + | END_TEXT |
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</pre> |
</pre> |
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</td> |
</td> |
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<td style="background-color:#ffcccc;padding:7px;"> |
<td style="background-color:#ffcccc;padding:7px;"> |
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<p> |
<p> |
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| − | |||
| + | Knowls appear in the text section of the problem file. You can specify a value, as in the first example, which gives the text to appear in the Knowl, or the URL of a file with the HTML content for the knowl, as shown in the second example here. |
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| − | Instead of specifying a value, you can specify the url of a file with html in it, and that html will appear in the knowl. Then you can use one file in multiple places. |
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| + | </p> |
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| − | |||
| + | <p> |
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| + | To include math text in the knowl, it is necessary to pipe the text through EV3P and escapeSolution HTML, as shown in the third example. |
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</p> |
</p> |
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</td> |
</td> |
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<td style="background-color:#ffffdd;border:black 1px dashed;"> |
<td style="background-color:#ffffdd;border:black 1px dashed;"> |
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<pre> |
<pre> |
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| − | return knowlLink($display_text, |
+ | return knowlLink($display_text, |
| + | url=>$envir{'localHelpURL'}.$infoRef); |
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</pre> |
</pre> |
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</td> |
</td> |
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As another example, here is the last line of the definition of helpLink() where the knowl |
As another example, here is the last line of the definition of helpLink() where the knowl |
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containing the help message is created after defining the variables which contain the url for the help file. |
containing the help message is created after defining the variables which contain the url for the help file. |
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| − | Knowls can include variables from earlier in the problem. |
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| − | Use knowlLink("link text",escapeSolutionHTML(EV3P("your text with math ~\(math ~\)"))); |
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| − | The escapeSolutionHTML and EV3P are needed to get the math to be handled properly. |
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</td> |
</td> |
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</tr> |
</tr> |
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Latest revision as of 11:41, 29 June 2023
This problem has been replaced with a newer version of this problem
Knowls
This code fragment shows how to apply a javascript-enabled popup bit of knowledge (a knowl).
| PG problem file | Explanation |
|---|---|
BEGIN_TEXT
$PAR
Here is a knowl
\{ knowlLink("click me",
value=>'This is the inside of a knowl. ' .
'If you click again, I will go away') \}
$PAR
Here is another knowl
\{ knowlLink("click me",
url=>'url_of_file_with_information') \}
$PAR
\{
knowlLink("a math knowl",
value=>escapeSolutionHTML(EV3P("the sine function is \\(\\sin(x)\\)")), base64=>1);
\}
END_TEXT
|
Knowls appear in the text section of the problem file. You can specify a value, as in the first example, which gives the text to appear in the Knowl, or the URL of a file with the HTML content for the knowl, as shown in the second example here. To include math text in the knowl, it is necessary to pipe the text through EV3P and escapeSolution HTML, as shown in the third example. |
return knowlLink($display_text,
url=>$envir{'localHelpURL'}.$infoRef);
|
As another example, here is the last line of the definition of helpLink() where the knowl containing the help message is created after defining the variables which contain the url for the help file. |
