Hi everyone,
I have reading XML from and trying to make a Grid that pages from that
data. I used the GWT-Ext showcase as a starting point, but no matter
what I seem to do, the Grid always loads ALL of the XML, instead of 25
at a time.
Here is what my XML looks like (this is just sample):
<result code="ok" sessionid="D0DDD4D513927094D1C2B11F22FE6427">
<msglist loadLimit="5000" pages="73" itemsLoaded="3629"
itemsInView="3629" loadTime="533" age="166" spamstats="bulk,none"
order="by-date-rev">
<page num="1" firstItem="1" lastItem="50">
<msgsummary id="3629" rcvd="8/27/08 4:42 PM"
sname="[EMAIL PROTECTED]" saddr="[EMAIL PROTECTED]"
rname="[EMAIL PROTECTED]" raddr="[EMAIL PROTECTED]"
subj="bronchiocrisis" sizeabbr="1 KB" state="Deleted" spam="none"
virus="MsgClean" attach="false" ip="unchecked"/>
<msgsummary id="3628" rcvd="8/27/08 4:42 PM"
sname="[EMAIL PROTECTED]" saddr="[EMAIL PROTECTED]"
rname="[EMAIL PROTECTED]" raddr="[EMAIL PROTECTED]"
subj="caller" sizeabbr="1 KB" state="Deleted" spam="none"
virus="MsgClean" attach="false" ip="unchecked"/>
<msgsummary id="3583" rcvd="8/27/08 4:41 PM"
sname="[EMAIL PROTECTED]" saddr="[EMAIL PROTECTED]"
rname="[EMAIL PROTECTED]" raddr="[EMAIL PROTECTED]"
subj="schistic" sizeabbr="1 KB" state="Deleted" spam="none"
virus="MsgClean" attach="false" ip="unchecked"/>
<msgsummary id="3582" rcvd="8/27/08 4:41 PM"
sname="[EMAIL PROTECTED]" saddr="[EMAIL PROTECTED]"
rname="[EMAIL PROTECTED]" raddr="[EMAIL PROTECTED]"
subj="victless" sizeabbr="1 KB" state="Deleted" spam="none"
virus="MsgClean" attach="false" ip="unchecked"/>
<msgsummary id="3581" rcvd="8/27/08 4:41 PM"
sname="[EMAIL PROTECTED]" saddr="[EMAIL PROTECTED]"
rname="[EMAIL PROTECTED]" raddr="[EMAIL PROTECTED]"
subj="Elaphomyces" sizeabbr="1 KB" state="Deleted" spam="none"
virus="MsgClean" attach="false" ip="unchecked"/>
<msgsummary id="3580" rcvd="8/27/08 4:40 PM"
sname="[EMAIL PROTECTED]" saddr="[EMAIL PROTECTED]"
rname="[EMAIL PROTECTED]" raddr="[EMAIL PROTECTED]"
subj="Koine" sizeabbr="1 KB" state="Deleted" spam="none"
virus="MsgClean" attach="false" ip="unchecked"/>
</msglist>
</result>
And here is my code:
public class MainGUI implements EntryPoint {
private String sessionID = null;
private RootPanel root;
private GridPanel grid;
public void onModuleLoad() {
root = RootPanel.get();
String username = "[EMAIL PROTECTED]";
String password = "asdf1";
RequestBuilder xmlGetter = new
RequestBuilder(RequestBuilder.GET,
"cmd/login?password=" + password + "&username="
+ username);
LoginCallback loginCallback = new LoginCallback(this);
xmlGetter.setCallback(loginCallback);
try {
xmlGetter.send();
} catch (RequestException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void createGrid(String id) {
sessionID = id;
String path = "cmd/msg/list;jsessionid=";
DataProxy proxy = new HttpProxy(path + sessionID);
final RecordDef recordDef = new RecordDef( new FieldDef[] {
new StringFieldDef("@id"), new
StringFieldDef("@rcvd"),
new StringFieldDef("@sname"), new
StringFieldDef("@saddr"),
new StringFieldDef("@rname"), new
StringFieldDef("@raddr"),
new StringFieldDef("@subj"), new
StringFieldDef("@sizeabbr"),
new StringFieldDef("@state"), new
StringFieldDef("@spam"),
new StringFieldDef("@virus"), new
StringFieldDef("@attach") });
XmlReader reader = new XmlReader("msgsummary", recordDef);
final Store store = new Store(reader);
store.setAutoLoad(false);
store.addStoreListener(new StoreListenerAdapter() {
public void onLoad(Store store, Record[] records) {
Window.alert("loading store");
super.onLoad(store, records);
}
});
store.setDataProxy(proxy);
ColumnConfig[] columnConfigs = {
new ColumnConfig("id", "@id", 50),
new ColumnConfig("RCVD", "@rcvd", 125),
new ColumnConfig("Sender Name", "@sname", 125),
new ColumnConfig("Sender Address", "@saddr",
125),
new ColumnConfig("Reciepient Name", "@rname",
125),
new ColumnConfig("Subject", "@subj", 125),
new ColumnConfig("Size", "@sizeabbr", 75),
new ColumnConfig("State", "@state", 75),
new ColumnConfig("Spam", "@spam", 60),
new ColumnConfig("Virus", "@virus", 50),
new ColumnConfig("Attatch", "@attach", 50) };
ColumnModel columnModel = new ColumnModel(columnConfigs);
grid = new GridPanel();
grid.setStore(store);
grid.setColumnModel(columnModel);
grid.setFrame(false);
grid.setStripeRows(true);
grid.setWidth("100%");
grid.setHeight("500px");
grid.setTitle("Messages");
PagingToolbar pagingToolbar = new PagingToolbar(store);
pagingToolbar.setPageSize(25);
pagingToolbar.setDisplayInfo(true);
pagingToolbar.setEmptyMsg("No topics to display");
grid.setBottomToolbar(pagingToolbar);
root.add(grid);
store.load(0, pagingToolbar.getPageSize());
}
}
Thanks a ton!!!
Angelo
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