possible helps: http://87.193.218.134:8080/t5components/t5c-commons/ref/org/apache/tapestry/commons/components/PagedLoop.html
2008/5/10 Toby Hobson <[EMAIL PROTECTED]>: > I managed to get around this by using @Persist on the startIndex property > but this doesn't seem right - do I need to use the session for a single > request? > > Toby > > ----- Original Message ---- > From: Toby Hobson <[EMAIL PROTECTED]> > To: users@tapestry.apache.org > Sent: Saturday, 10 May, 2008 1:31:52 PM > Subject: Page property reset during request > > Hi > > I have a simple problem which is probably due to my lack of understanding > about the Tapestry request cycle: > > I am trying to implement a basic pagination system - I have a form with a > textfield called startIndex and a loop component which iterates through a > list of values. Basically I am trying to use the startIndex property to page > through the list: > > public class Pagination { > > @Parameter(name="ds") > private IDataSource ds; > > // used by the loop as the current value > private String value; > > private int startIndex; > > public int getStartIndex() { > return startIndex; > } > > public void setStartIndex(int startIndex) { > this.startIndex = startIndex; > } > > public List<String> getSource() { > return ds.getValues(startIndex); > } > > public String getValue() { > return value; > } > > public void setValue(String value) { > this.value = value; > } > > } > > Pagination.tml: > > <t:loop source="source" value="value"> > ${value} > <br /> > </t:loop> > <t:form> > <t:textfield value="startIndex" /> > <input type="submit" /> > </t:form> > > I was hoping that I could enter a value for the startIndex, hit submit > which would update the startIndex property then the loop will call > getSource() which will read the startIndex and select the appropriate > records. The problem is that when I debug the code I see the call to > setIndex i made and the property is updated but when the call to getSource() > is made the property has been reset to 0! This all appears to happen during > a single request. > > Can someone please explain to me why the property is being reset between > the setStartIndex() and getSource() methods? > > Thanks > > Toby > > > > > -- with regards Sven Homburg http://tapestry5-components.googlecode.com