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Diff for phpMyEdit/doc/sgml/configuration.fields.sgml between version 1.23 and 1.24

version 1.23, 2003/04/18 13:25:59

version 1.24, 2003/04/19 09:31:50

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<title id="configuration.options-variability.title">Options variability</title>

<para>

This section does not descibe new field option or options. It just extend the

This section does not descibe new field options. It just extends the

prossibility of their initialization. Options variability feature can be

possibility of their initialization. Options variability can be applied to

applied to each field option.

each field option.

</para>

<para>

There is often a situation, when you want to have some field option in effect

There is often a situation when you want to have some field option in effect

only on particular page(s). But on other pages you do not want to have this

option in effect. So there are pages where field option should be taken into

option in effect. There are pages where a field option should be taken into

consideration, but there are also page when not.

consideration, but there are also pages where the option should not appear.

</para>

<para>

The good example for this is <varname>['trimlen']</> option. Imagine you will

A good example for this is the <varname>['trimlen']</> option. Imagine you set

set something like this:

something like this:

<example><title>Init without options variability</title>

<programlisting><![CDATA[

Line 729 $opts['fdd']['col_name']['trimlen'] = 30

</example>

This will trim the maximum length of text to 30 characters on all possible

pages, which in this case for this option are:

pages, which in this case are:

<listitem><simpara>table list</></>

Line 741 pages, which in this case for this optio

</para>

<para>

This is nice and it will work as expected, however on record view page it may

This is nice and it will work as expected, however on the record view page it

be desirable to see whole field content, no only first 30 characters. Similary

may be desirable to see the whole field content, not only first 30 characters.

we could want this also for delete page.

Similarly we could want this also for delete page.

</para>

<para>

Thus there is a possiblity to restrict particular option effect only for

Thus there is a possiblity to restrict a particular option to affect only

selected types of pages. In our case we want to resctrict

selected types of pages. In our case we want to resctrict the

<varname>['trimlen']</> option affect to table listing and table filtering

<varname>['trimlen']</> option to affect the table listing and table filtering

pages. This can be done in the following way. Take a look at "|LF" string in

the definition.

Line 763 $opts['fdd']['col_name']['trimlen|LF'] =

</para>

<para>

Every restriction letter stands for particular page type. They are the same as

Each restriction letter stands for particular page type. They are the same as

they are described in list under <xref linkend="configuration.options"

those described in list under <xref linkend="configuration.options"

endterm="configuration.options"> subsection.

</para>

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