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master/slave select1 (e.g. country/city)

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Mathias Picker

master/slave select1 (e.g. country/city)

I searched for a solution, but found nothing.

I need a country / city selection. I thought about one select1 to select
the country, a second, filled depending on the first, to select the
city.

What would be a good way to implement this with xforms?

I can format the source (city/country list) in any way nessecary. It's
about 14 countries with maybe 10 cities each.

Thanks, Mathias

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Ryan Puddephatt

RE: master/slave select1 (e.g. country/city)

Mathias,
I'm doing a similar thing with databases on my application I have
the following xml
<servers>
<server>
<name>blah</name>
<database>blah</database>
...
</server>
...
</servers>

I have two instances one holding the above and one with

<instance>
<serverUrl/>
<databaseName/>
</instance>

And two select1s as follows

<xforms:select1 ref="instance('instance')/serverUrl">
<xforms:itemset nodeset="instance('tamino')/server">
<xforms:label ref="url"/>
<xforms:value ref="url"/>
</xforms:itemset>
<xforms:setvalue ev:event="xforms-value-changed"
ref="instance('instance')/databaseName"
value="instance('tamino')/server[url =
instance('instance')/serverUrl]/databases/database[1]"/>
</xforms:select1>

<xforms:select1 ref="instance('instance')/databaseName">
<xforms:itemset nodeset="instance('tamino')/server[url =
instance('instance')/serverUrl]/databases/database">
<xforms:label ref="."/>
<xforms:value ref="."/>
</xforms:itemset>
</xforms:select1>

Hope this helps

Ryan Puddephatt
Software Engineer
TFX Group - IT UK
1 Michaelson Square
Livingston
West Lothian
Scotand
EH54 7DP

* [hidden email]
( 01506 407 110
7 01506 407 108

>-----Original Message-----
>From: Mathias Picker [mailto:[hidden email]]
>Sent: 25 April 2006 17:38
>To: ops-users
>Subject: [ops-users] master/slave select1 (e.g. country/city)
>
>I searched for a solution, but found nothing.
>
>I need a country / city selection. I thought about one select1 to select
>the country, a second, filled depending on the first, to select the
>city.
>
>What would be a good way to implement this with xforms?
>
>I can format the source (city/country list) in any way nessecary. It's
>about 14 countries with maybe 10 cities each.
>
>Thanks, Mathias
>

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Mathias Picker

RE: master/slave select1 (e.g. country/city)

Great. Thanks, Ryan!

Am Dienstag, den 25.04.2006, 17:30 +0100 schrieb Ryan Puddephatt:

> Mathias,
> I'm doing a similar thing with databases on my application I have
> the following xml
> <servers>
> <server>
> <name>blah</name>
> <database>blah</database>
> ...
> </server>
> ...
> </servers>
>
> I have two instances one holding the above and one with
>
> <instance>
> <serverUrl/>
> <databaseName/>
> </instance>
>
> And two select1s as follows
>
> <xforms:select1 ref="instance('instance')/serverUrl">
> <xforms:itemset nodeset="instance('tamino')/server">
> <xforms:label ref="url"/>
> <xforms:value ref="url"/>
> </xforms:itemset>
> <xforms:setvalue ev:event="xforms-value-changed"
> ref="instance('instance')/databaseName"
> value="instance('tamino')/server[url =
> instance('instance')/serverUrl]/databases/database[1]"/>
> </xforms:select1>
>
> <xforms:select1 ref="instance('instance')/databaseName">
> <xforms:itemset nodeset="instance('tamino')/server[url =
> instance('instance')/serverUrl]/databases/database">
> <xforms:label ref="."/>
> <xforms:value ref="."/>
> </xforms:itemset>
> </xforms:select1>
>
> Hope this helps
>
> Ryan Puddephatt
> Software Engineer
> TFX Group - IT UK
> 1 Michaelson Square
> Livingston
> West Lothian
> Scotand
> EH54 7DP
>
> * [hidden email]
> ( 01506 407 110
> 7 01506 407 108
>
>
> >-----Original Message-----
> >From: Mathias Picker [mailto:[hidden email]]
> >Sent: 25 April 2006 17:38
> >To: ops-users
> >Subject: [ops-users] master/slave select1 (e.g. country/city)
> >
> >I searched for a solution, but found nothing.
> >
> >I need a country / city selection. I thought about one select1 to select
> >the country, a second, filled depending on the first, to select the
> >city.
> >
> >What would be a good way to implement this with xforms?
> >
> >I can format the source (city/country list) in any way nessecary. It's
> >about 14 countries with maybe 10 cities each.
> >
> >Thanks, Mathias
> >
>
>
>
> einfaches Textdokument-Anlage (message-footer.txt)
> --
> You receive this message as a subscriber of the [hidden email] mailing list.
> To unsubscribe: mailto:[hidden email]
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Mathias Picker

RE: master/slave select1 (e.g. country/city)

In reply to this post by Ryan Puddephatt

I'm trying to apply Ryans solution inside a repeat. So, I need to get at
the position of the repeat in the xpath expression of the second
select1. But I'm just not fluent enough in xpath to guess at how to do
this.

If I have an instance

<xforms:instance id="r">
<instance>
<did>
<country />
<city />
</did>
<did>
<country />
<city />
</did>
</instance>
</xforms:instance>

and for the did-locations the following xml:

<xforms:instance id="did-locations">
<dids>
<country>
<name>Germany</name>
<code>de</code>

<city><name>München</name><code>muc</code></city>
<city><name>Köln</name><code>kln</code></city>
</country>
<country>
<name>Switzerland</name>
<code>ch</code>
<city><name>Bern</name><code>brn</code> </city>
<city><name>Zürich</name><code>zur</code> </city>
</country>
</dids>
</xforms:instance>

I would like to use something like:
(inside a xforms:group ref=instance('r'))

<xforms:repeat id="did-repeat"
nodeset="did[position() > 1]">

<xforms:select1 ref="country" class="country-selector"
appearance="minimal">
<xforms:itemset nodeset="instance('did-locations')/country">
<xforms:label ref="name"/>
<xforms:value ref="code"/>
</xforms:itemset>
</xforms:select1>


<xforms:output value="position()" />

<xforms:select1 ref="city" class="country-selector indent"
appearance="minimal">
<xforms:itemset
nodeset="instance('did-locations')/country[code=
instance('r')/did[REPEAT POSITION??]/country]/city">
<xforms:label ref="name"/>
<xforms:value ref="code"/>
</xforms:itemset>
</xforms:select1>

</xforms:repeat>

but how do I get the position of did-repeat in this expression:
"instance('r')/did[REPEAT POSITION??]/country]/city"

Thanks for any ideas,

Mathias

Am Dienstag, den 25.04.2006, 17:30 +0100 schrieb Ryan Puddephatt:

Hank Ratzesberger

Re: master/slave select1 (e.g. country/city)

Mathias,

I am stumped also. I don't know which instance position()
will refer to, and while XForms works with multiple
instances, I don't know that XPath does.

So perhaps it is better to build a new instance ?
You can use XSLT to build an instance and it might
be easier to construct this in an <xsl:for-each>
construct with variables. You can select the
instance that comes from the page-flow "model"
attribute, select="doc('input:data')/*"

I am not sure how xslt can access xforms
instances, only build them, so your model would
need to have the instances aggregated.

Best,
Hank

----- Original Message -----
From: "Mathias Picker" <[hidden email]>
To: <[hidden email]>
Sent: Wednesday, April 26, 2006 6:49 AM
Subject: RE: [ops-users] master/slave select1 (e.g. country/city)

> I'm trying to apply Ryans solution inside a repeat. So, I need to get at
> the position of the repeat in the xpath expression of the second
> select1. But I'm just not fluent enough in xpath to guess at how to do
> this.
>
> If I have an instance
>
> <xforms:instance id="r">
> <instance>
> <did>
> <country />
> <city />
> </did>
> <did>
> <country />
> <city />
> </did>
> </instance>
> </xforms:instance>
>
>
> and for the did-locations the following xml:
>
>
> <xforms:instance id="did-locations">
> <dids>
> <country>
> <name>Germany</name>
> <code>de</code>
>
> <city><name>München</name><code>muc</code></city>
> <city><name>Köln</name><code>kln</code></city>
> </country>
> <country>
> <name>Switzerland</name>
> <code>ch</code>
> <city><name>Bern</name><code>brn</code> </city>
> <city><name>Zürich</name><code>zur</code> </city>
> </country>
> </dids>
> </xforms:instance>
>
>
> I would like to use something like:
> (inside a xforms:group ref=instance('r'))
>
>
> <xforms:repeat id="did-repeat"
> nodeset="did[position() > 1]">
>
> <xforms:select1 ref="country" class="country-selector"
> appearance="minimal">
> <xforms:itemset nodeset="instance('did-locations')/country">
> <xforms:label ref="name"/>
> <xforms:value ref="code"/>
> </xforms:itemset>
> </xforms:select1>
>
> 
> <xforms:output value="position()" />
>
> <xforms:select1 ref="city" class="country-selector indent"
> appearance="minimal">
> <xforms:itemset
> nodeset="instance('did-locations')/country[code=
> instance('r')/did[REPEAT POSITION??]/country]/city">
> <xforms:label ref="name"/>
> <xforms:value ref="code"/>
> </xforms:itemset>
> </xforms:select1>
>
> </xforms:repeat>
>
>
> but how do I get the position of did-repeat in this expression:
> "instance('r')/did[REPEAT POSITION??]/country]/city"
>
>
> Thanks for any ideas,
>
> Mathias
>
>
> Am Dienstag, den 25.04.2006, 17:30 +0100 schrieb Ryan Puddephatt:
>> Mathias,
>> I'm doing a similar thing with databases on my application I have
>> the following xml
>> <servers>
>> <server>
>> <name>blah</name>
>> <database>blah</database>
>> ...
>> </server>
>> ...
>> </servers>
>>
>> I have two instances one holding the above and one with
>>
>> <instance>
>> <serverUrl/>
>> <databaseName/>
>> </instance>
>>
>> And two select1s as follows
>>
>> <xforms:select1 ref="instance('instance')/serverUrl">
>> <xforms:itemset nodeset="instance('tamino')/server">
>> <xforms:label ref="url"/>
>> <xforms:value ref="url"/>
>> </xforms:itemset>
>> <xforms:setvalue ev:event="xforms-value-changed"
>> ref="instance('instance')/databaseName"
>> value="instance('tamino')/server[url =
>> instance('instance')/serverUrl]/databases/database[1]"/>
>> </xforms:select1>
>>
>> <xforms:select1 ref="instance('instance')/databaseName">
>> <xforms:itemset nodeset="instance('tamino')/server[url =
>> instance('instance')/serverUrl]/databases/database">
>> <xforms:label ref="."/>
>> <xforms:value ref="."/>
>> </xforms:itemset>
>> </xforms:select1>
>>
>> Hope this helps
>>
>> Ryan Puddephatt
>> Software Engineer
>> TFX Group - IT UK
>> 1 Michaelson Square
>> Livingston
>> West Lothian
>> Scotand
>> EH54 7DP
>>
>> * [hidden email]
>> ( 01506 407 110
>> 7 01506 407 108
>>
>>
>> >-----Original Message-----
>> >From: Mathias Picker [mailto:[hidden email]]
>> >Sent: 25 April 2006 17:38
>> >To: ops-users
>> >Subject: [ops-users] master/slave select1 (e.g. country/city)
>> >
>> >I searched for a solution, but found nothing.
>> >
>> >I need a country / city selection. I thought about one select1 to select
>> >the country, a second, filled depending on the first, to select the
>> >city.
>> >
>> >What would be a good way to implement this with xforms?
>> >
>> >I can format the source (city/country list) in any way nessecary. It's
>> >about 14 countries with maybe 10 cities each.
>> >
>> >Thanks, Mathias
>> >
>>
>>
>>
>> einfaches Textdokument-Anlage (message-footer.txt)
>> --
>> You receive this message as a subscriber of the [hidden email] mailing list.
>> To unsubscribe: mailto:[hidden email]
>> For general help: mailto:[hidden email]?subject=help
>> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>
>
>

--------------------------------------------------------------------------------

>
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>

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Mathias Picker

Re: master/slave select1 (e.g. country/city)

Hank,

I just found an xpath 2.0 solution:

"for $repindex in (count(../preceding-sibling::did) + 1 )
return
instance('did-locations')/country[
code=instance('r')/did[$repindex]/country
]/city"

I'm not sure if this is a good solution, but it certainly works. It
counts the preceding siblings of type did in our ancestor, adds that
ancestor (+1) and (mis?)uses a for construct to put it in a var.
I'm not sure if it is considered good style to use a for in this way,
but I have my solution for now.

Thanks for thinking it over,

Mathias

Am Mittwoch, den 26.04.2006, 08:49 -0700 schrieb Hank Ratzesberger:

> Mathias,
>
> I am stumped also. I don't know which instance position()
> will refer to, and while XForms works with multiple
> instances, I don't know that XPath does.
>
> So perhaps it is better to build a new instance ?
> You can use XSLT to build an instance and it might
> be easier to construct this in an <xsl:for-each>
> construct with variables. You can select the
> instance that comes from the page-flow "model"
> attribute, select="doc('input:data')/*"
>
> I am not sure how xslt can access xforms
> instances, only build them, so your model would
> need to have the instances aggregated.
>
> Best,
> Hank
>
> ----- Original Message -----
> From: "Mathias Picker" <[hidden email]>
> To: <[hidden email]>
> Sent: Wednesday, April 26, 2006 6:49 AM
> Subject: RE: [ops-users] master/slave select1 (e.g. country/city)
>
>
> > I'm trying to apply Ryans solution inside a repeat. So, I need to get at
> > the position of the repeat in the xpath expression of the second
> > select1. But I'm just not fluent enough in xpath to guess at how to do
> > this.
> >
> > If I have an instance
> >
> > <xforms:instance id="r">
> > <instance>
> > <did>
> > <country />
> > <city />
> > </did>
> > <did>
> > <country />
> > <city />
> > </did>
> > </instance>
> > </xforms:instance>
> >
> >
> > and for the did-locations the following xml:
> >
> >
> > <xforms:instance id="did-locations">
> > <dids>
> > <country>
> > <name>Germany</name>
> > <code>de</code>
> >
> > <city><name>München</name><code>muc</code></city>
> > <city><name>Köln</name><code>kln</code></city>
> > </country>
> > <country>
> > <name>Switzerland</name>
> > <code>ch</code>
> > <city><name>Bern</name><code>brn</code> </city>
> > <city><name>Zürich</name><code>zur</code> </city>
> > </country>
> > </dids>
> > </xforms:instance>
> >
> >
> > I would like to use something like:
> > (inside a xforms:group ref=instance('r'))
> >
> >
> > <xforms:repeat id="did-repeat"
> > nodeset="did[position() > 1]">
> >
> > <xforms:select1 ref="country" class="country-selector"
> > appearance="minimal">
> > <xforms:itemset nodeset="instance('did-locations')/country">
> > <xforms:label ref="name"/>
> > <xforms:value ref="code"/>
> > </xforms:itemset>
> > </xforms:select1>
> >
> > 
> > <xforms:output value="position()" />
> >
> > <xforms:select1 ref="city" class="country-selector indent"
> > appearance="minimal">
> > <xforms:itemset
> > nodeset="instance('did-locations')/country[code=
> > instance('r')/did[REPEAT POSITION??]/country]/city">
> > <xforms:label ref="name"/>
> > <xforms:value ref="code"/>
> > </xforms:itemset>
> > </xforms:select1>
> >
> > </xforms:repeat>
> >
> >
> > but how do I get the position of did-repeat in this expression:
> > "instance('r')/did[REPEAT POSITION??]/country]/city"
> >
> >
> > Thanks for any ideas,
> >
> > Mathias
> >
> >
> > Am Dienstag, den 25.04.2006, 17:30 +0100 schrieb Ryan Puddephatt:
> >> Mathias,
> >> I'm doing a similar thing with databases on my application I have
> >> the following xml
> >> <servers>
> >> <server>
> >> <name>blah</name>
> >> <database>blah</database>
> >> ...
> >> </server>
> >> ...
> >> </servers>
> >>
> >> I have two instances one holding the above and one with
> >>
> >> <instance>
> >> <serverUrl/>
> >> <databaseName/>
> >> </instance>
> >>
> >> And two select1s as follows
> >>
> >> <xforms:select1 ref="instance('instance')/serverUrl">
> >> <xforms:itemset nodeset="instance('tamino')/server">
> >> <xforms:label ref="url"/>
> >> <xforms:value ref="url"/>
> >> </xforms:itemset>
> >> <xforms:setvalue ev:event="xforms-value-changed"
> >> ref="instance('instance')/databaseName"
> >> value="instance('tamino')/server[url =
> >> instance('instance')/serverUrl]/databases/database[1]"/>
> >> </xforms:select1>
> >>
> >> <xforms:select1 ref="instance('instance')/databaseName">
> >> <xforms:itemset nodeset="instance('tamino')/server[url =
> >> instance('instance')/serverUrl]/databases/database">
> >> <xforms:label ref="."/>
> >> <xforms:value ref="."/>
> >> </xforms:itemset>
> >> </xforms:select1>
> >>
> >> Hope this helps
> >>
> >> Ryan Puddephatt
> >> Software Engineer
> >> TFX Group - IT UK
> >> 1 Michaelson Square
> >> Livingston
> >> West Lothian
> >> Scotand
> >> EH54 7DP
> >>
> >> * [hidden email]
> >> ( 01506 407 110
> >> 7 01506 407 108
> >>
> >>
> >> >-----Original Message-----
> >> >From: Mathias Picker [mailto:[hidden email]]
> >> >Sent: 25 April 2006 17:38
> >> >To: ops-users
> >> >Subject: [ops-users] master/slave select1 (e.g. country/city)
> >> >
> >> >I searched for a solution, but found nothing.
> >> >
> >> >I need a country / city selection. I thought about one select1 to select
> >> >the country, a second, filled depending on the first, to select the
> >> >city.
> >> >
> >> >What would be a good way to implement this with xforms?
> >> >
> >> >I can format the source (city/country list) in any way nessecary. It's
> >> >about 14 countries with maybe 10 cities each.
> >> >
> >> >Thanks, Mathias
> >> >
> >>
> >>
> >>
> >> einfaches Textdokument-Anlage (message-footer.txt)
> >> --
> >> You receive this message as a subscriber of the [hidden email] mailing list.
> >> To unsubscribe: mailto:[hidden email]
> >> For general help: mailto:[hidden email]?subject=help
> >> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
> >
> >
> >
>
>
> --------------------------------------------------------------------------------
>
>
> >
> > --
> > You receive this message as a subscriber of the [hidden email] mailing list.
> > To unsubscribe: mailto:[hidden email]
> > For general help: mailto:[hidden email]?subject=help
> > ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
> >
>
>
> einfaches Textdokument-Anlage (message-footer.txt)
> --
> You receive this message as a subscriber of the [hidden email] mailing list.
> To unsubscribe: mailto:[hidden email]
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