let me give you some clues
see the attached QueryParam class, all my finder dao methods take it so that they can page/sort accordingly.
hope it gets you started
-Igor
On 7/18/06, Vincent Jenks <[EMAIL PROTECTED]
> wrote:
Currently I don't have anything like the ContactsDatabase class in
'examples' - I'm just pulling a list of data and displaying in a
ListView....but it appears now that I'm browsing through I'm going to
have to create one and implement some of the methods like you have in
order to get paging/sorting.
I'll play w/ it...it was just a little more than I expected once I
started digging into it.
On 7/18/06, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> what could be simpler then the dataview? its just like a listview only
> instead of being fed off the list it is fed from the idataprovider.
>
> class mydataprovider implements idataprovider() {
> iterator iterator(int first, int count) {
> return mydao.findcontacts(first, count).iterator();
> }
>
> int size() {
> return mydao.countcontacts();
> }
>
> model model(object o) {
> Contact contact=(Contact)o;
> return new ContactDetachableModel(contact);
> //or return new Model(contact);
> }
> }
>
> and that gets you paging, sorting is like this
>
> mydataprovider extends sortabledataprovider {
> // ditto from above
>
> iterator iterator(int first, int last) {
> return mydao.findcontacts(first, last, getsort().getproperty(),
> getsort().getcount();
> }
>
> }
>
>
> if you have more specific questions i will be happy to help you
>
> -Igor
>
>
>
>
>
> On 7/18/06, Vincent Jenks <[EMAIL PROTECTED]> wrote:
> >
> Is there something smaller & simpler out there I could refer to for
> sorting? I've glanced at the DataView example a few times and once I
> start digging in it just seems unwieldly to me. I'm simply trying to
> sort a List of entities and the getContactsDB() stuff in the examples
> is a bit complicated to try and pick through.
>
> I gave paging a shot yesterday but quickly figured out it wouldn't be
> a snap to throw together like most wicket stuff I've done so
> far....I'm in a crunch or I'd spend more time banging my head on the
> table.
>
> I think if I just had a couple real-world examples I'd pick it up faster.
>
> How's that book coming along? :D
>
> Thanks!
>
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package ptabs.webapp.support; import java.util.ArrayList; import java.util.List;
import ptabs.util.AssertUtils;
public class QueryParam {
int first;
int count;
List<SortState> sort = new ArrayList<SortState>(1);
public QueryParam(int first, int count) {
this.first = first;
this.count = count;
}
public QueryParam(int first, int count, SortState sortState) {
this(first, count);
AssertUtils.argNotNull(sortState);
addSortState(sortState);
}
/**
* Returns first
*
* @return the first
*/
public int getFirst() {
return first;
}
/**
* Sets first
*
* @param first the first to set
*/
public void setFirst(int first) {
this.first = first;
}
/**
* Returns count
*
* @return the count
*/
public int getCount() {
return count;
}
/**
* Sets count
*
* @param count the count to set
*/
public void setCount(int last) {
this.count = last;
}
/**
* Returns list of sort states
*
* @return list of sort states
*/
public List<SortState> getSort() {
return sort;
}
public void addSortState(SortState state) {
AssertUtils.argNotNull(state);
sort.add(state);
}
public void prependSortState(SortState state) {
AssertUtils.argNotNull(state);
sort.add(0, state);
}
}
package ptabs.webapp.support;
import ptabs.util.AssertUtils;
public class SortState {
private String property;
private SortDir dir;
public SortState(String property) {
this(property, SortDir.ASC);
}
public SortState(String property, SortDir dir) {
AssertUtils.argNotNull(property, "property");
AssertUtils.argNotNull(dir, "dir");
this.property = property;
this.dir = dir;
}
/**
* Returns dir
*
* @return the dir
*/
public SortDir getDir() {
return dir;
}
/**
* Sets dir
*
* @param dir
* the dir to set
*/
public void setDir(SortDir dir) {
this.dir = dir;
}
/**
* Returns property
*
* @return the property
*/
public String getProperty() {
return property;
}
/**
* Sets property
*
* @param property
* the property to set
*/
public void setProperty(String property) {
this.property = property;
}
}
package ptabs.webapp.support;
public enum SortDir {
ASC, DESC
}
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