more clarification...
alert(document.forms.tableSizeSelect.value);
${theWidget.tableSize} = document.forms.tableSizeSelect.value; why is the above
assignment not possible? Inside the widget I have tableSize declared as a
Parameter.
This poses a dereferencing dilemma as ${theWidget.tableSize} seems to not be
the way to dereference a property on a component. Can someone elaborate on the
proper way? Does it need to be binded to a dom element? If so please elaborate.
Best regards Ken in nashua
From: [EMAIL PROTECTED]: [EMAIL PROTECTED]: RE: Output variables in Tapestry
Script - 4.1.3Date: Thu, 1 Nov 2007 09:56:30 -0400
Someruntime output... <input-symbol key='theWidget'
class='org.trails.demo.components.Gallery' required='yes'/> <input-symbol
key='theTableSize' required='yes'/> <let
key='galleryForm'>document.forms[0]</let> <let
key='galleryFormId'>document.forms[0].id</let> <let key='tableWidth'
unique='yes'>${theWidget.tableWidth}</let> <let key='tableSize'
unique='yes'>${theWidget.tableSize}</let> <let key='tWidget'
unique='yes'>${theWidget}</let>this alert(${galleryForm});
alert(${galleryFormId}); alert('${theWidget.clientId}');
alert('${theWidget}'); alert('${tWidget}'); alert('${tableSize}');transates
to alert(document.forms[0]); alert(document.forms[0].id);
alert('galleryWidget'); alert('[EMAIL PROTECTED]/galleryWidget]');
alert('[EMAIL PROTECTED]/galleryWidget]'); alert(2_0); what is 2_0 ? How do
we get to the tableSize value to the property of the component?Best regards Ken
in nashua
From: [EMAIL PROTECTED]: [EMAIL PROTECTED]: RE: Output variables in Tapestry
Script - 4.1.3Date: Thu, 1 Nov 2007 09:48:29 -0400
Attached is the modules in question... My tableSize parameter is specified in
Home.html along with the component. I am able to dereference the form and
get/set the value of the select component. I guess I want to get the value of
the select and assign it to the ognl property of my component. I need to do the
same onChange. Your feedback is appreciated.Best regards Ken in nashua
From: [EMAIL PROTECTED]: [EMAIL PROTECTED]: RE: Output variables in Tapestry
Script - 4.1.3Date: Thu, 1 Nov 2007 09:23:40 -0400
correction...>BUT document.forms.${myFormName} produces undefined at the above
works... But if I have a DIV or SPAN above in a containing html file I am
unable to assign a name to it or dereference it in the document object.
clarification on how to dereference and assign output data to these is
appreciated.Best regards Ken in nashua
From: [EMAIL PROTECTED]: [EMAIL PROTECTED]: Output variables in Tapestry Script
- 4.1.3Date: Thu, 1 Nov 2007 09:11:58 -0400
Folks, I am using simple div/span... no form. When I attempt to index an
element is showing undefined. 1. document.forms[0] produces my form alright and
it has a name BUT document.forms.${myFormName} produces undefined at
runtime ? Why the lapse ? myFormname equates to the actual form name
EVEN this fails... document.forms['${myFormName}'] as undefined 2.
Assignment to <span name='sams as id' show up blank in debugger ? This prevents
me from accessing is using DOM notation. Jesse/Andy... can you assess/advise
the usability of this script? The docs are too scarse on outputs and the
example code in the docs is out of context. How are we suppose to assign values
to a dom element (which I am mapping to an abstract ognl component method
parameter) when accessing/subscripting/dereferencing these in script body is
not even possible? <input-symbol...<let key='... There is no ability to
de-reference variables beyond these thereafter. The docs state this is all
powerful and usable but I oanly see inputs working... I need to manipulate
outputs by setting values to parameters/values in the DOM space... (or setting
properties in the OGNL space) within my script.Can someone give a comprehensive
snippet that shows an authentic assignment within a script to assign to both
parameters/values in the DOM space and setting properties in the OGNL space? I
am trying to pioneer some fertile ground here and happy to produce a new widget
for public consumption based on your framework. Thanks in advance...Best
regards Ken in nashua
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http://onecare.live.com/standard/en-us/purchase/trial.aspx?s_cid=wl_hotmailnewspackage org.trails.demo.components;
import java.util.Collection;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.tapestry.IAsset;
import org.apache.tapestry.IPage;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.IScript;
import org.apache.tapestry.annotations.ComponentClass;
import org.apache.tapestry.annotations.InjectObject;
import org.apache.tapestry.annotations.InjectScript;
import org.apache.tapestry.annotations.Parameter;
import org.apache.tapestry.form.IPropertySelectionModel;
import org.apache.tapestry.form.StringPropertySelectionModel;
import org.hibernate.criterion.DetachedCriteria;
import org.springframework.dao.DataAccessException;
import org.trails.component.TrailsComponent;
import org.trails.component.blob.BlobDownloadService;
import org.trails.component.blob.TrailsBlobAsset;
import org.trails.demo.Listing;
import org.trails.descriptor.DescriptorService;
import org.trails.page.EditPage;
import org.trails.persistence.HibernatePersistenceService;
/**
* This guy (tapestry/dojo/json/script oriented widget) renders a gallery.
*
* Script is facilitated to operate/persist auto-paging.
*
* @author kenneth.colassi [EMAIL PROTECTED]
*
*/
@ComponentClass(allowBody = true, allowInformalParameters = true)
public abstract class Gallery extends TrailsComponent
{
private static final Log LOG = LogFactory.getLog(Gallery.class);
private static final String[] tableSizeOptions = new String[] { new Integer("1").toString(), new Integer("2").toString(),
new Integer("3").toString(), new Integer("4").toString(), new Integer("5").toString(), new Integer("10").toString(), new Integer("25").toString(),
new Integer("50").toString(), new Integer("100").toString(), new Integer("500").toString(), new Integer("1000").toString(), new Integer("2500").toString(),
new Integer("5000").toString(), new Integer("10000").toString(), new Integer("25000").toString(), new Integer("50000").toString() };
private static final String[] pagingSpanOptions = new String[] { new Integer("5").toString(), new Integer("10").toString(),
new Integer("15").toString(), new Integer("20").toString(), new Integer("25").toString() };
private IPropertySelectionModel tableSizeModel = null;
private IPropertySelectionModel pagingSpanModel = null;
private Collection collection = null;
/**
* E-Frastructure and Services
*/
@InjectObject("spring:persistenceService")
public abstract HibernatePersistenceService getHibernatePersistenceService();
@InjectObject("spring:descriptorService")
public abstract DescriptorService getDescriptorService();
@InjectObject("service:trails.core.BlobService")
public abstract BlobDownloadService getDownloadService();
@Parameter(required = true)
public abstract Class getCollectionType();
public abstract void setCollectionType(Class collectionType);
/**
* PropertySelection Support
*/
@Parameter(required = false, cache = true, defaultValue = "2")
public abstract Integer getTableSize();
public abstract void setTableSize(Integer tableSize);
@Parameter(required = false, cache = true, defaultValue = "2")
public abstract Integer getTableWidth();
public abstract void setTableWidth(Integer tableSize);
@Parameter(required = false, cache = true, defaultValue = "5")
public abstract Integer getPagingSpan();
public abstract void setPagingSpan(Integer pagingSpan);
/**
* FOR component Collection Iterator support
*/
@Parameter(required = false)
public abstract int getStartRow();
public abstract void setStartRow(int startRow);
public abstract Object getCurrentObject();
public abstract void setCurrentObject(Object CurrentObject);
public abstract int getIndex();
public abstract void setIndex(int index);
/**
* Typically injected via jwc - readonly, yes that means no setter
*/
@InjectScript("Gallery.script")
public abstract IScript getScript();
public Collection getCollection()
{
return collection;
}
public void setCollection(Collection collection)
{
this.collection = collection;
}
public Collection loadCollection(Class collectionClass) throws DataAccessException
{
DetachedCriteria criteria = DetachedCriteria.forClass(collectionClass);
// criteria.add(Restrictions.eq("id", 1));
return getHibernatePersistenceService().getInstances(collectionClass, criteria);
}
public IPropertySelectionModel getTableSizeModel()
{
if (tableSizeModel == null)
tableSizeModel = new StringPropertySelectionModel(tableSizeOptions);
return tableSizeModel;
}
public IPropertySelectionModel getPagingSpanModel()
{
if (pagingSpanModel == null)
pagingSpanModel = new StringPropertySelectionModel(pagingSpanOptions);
return pagingSpanModel;
}
@Override
protected void prepareForRender(IRequestCycle cycle)
{
super.prepareForRender(cycle);
setCollection(loadCollection(getCollectionType()));
/*
* if ( getTableSize() == null ) setTableSize (tableSizeOptions[0]); if (
* getPagingSpan() == null ) setPagingSpan (pagingSpanOptions[0]);
*/
}
public IAsset getPhotoAsset()
{
Listing listing = (Listing) getCurrentObject();
String contentType = listing.getPhoto().getContentType();
String fileName = listing.getPhoto().getFileName();
return new TrailsBlobAsset(getDownloadService(), getCollectionType().getName(), listing.getId().toString(),
"photo", contentType, fileName);
}
public IPage page(Integer number)
{
EditPage editPage = null;
return editPage;
}
public IPage onFormSubmit(IRequestCycle cycle)
{
IPage page = cycle.getPage();
return page;
}
}---------------------------------------------------------------------
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