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/*
* Oreka -- A media capture and retrieval platform
*
* Copyright (C) 2005, orecx LLC
*
* http://www.orecx.com
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
* Please refer to http://www.gnu.org/copyleft/gpl.html
*
*/
/**
*
*/
package net.sf.oreka.pages;
import java.util.ArrayList;
import java.util.List;
import net.sf.oreka.services.RecSegmentFilter;
import net.sf.oreka.services.RecSegmentResult;
import net.sf.oreka.services.RecSegmentServiceHbn;
import net.sf.oreka.tapestry.TableState;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.event.PageEvent;
import org.apache.tapestry.event.PageRenderListener;
import org.apache.tapestry.html.BasePage;
public abstract class RecSegmentsPage extends BasePage implements PageRenderListener {
static Logger logger = Logger.getLogger(RecSegmentsPage.class);
private String Foo = "page";
/**
* @return Returns the foo.
*/
public String getFoo() {
return Foo;
}
/**
* @param foo The foo to set.
*/
public void setFoo(String foo) {
Foo = foo;
}
public List getFields(){
ArrayList list = new ArrayList();
//list.add("recSegment.duration");
//list.add("recSegment.localParty");
list.add("ognl:foo");
return list;
}
private String field;
private int CurrentPage;
private int ResultsOffset;
private final int RESULTS_PER_PAGE = 4;
private int NumResults;
public abstract TableState getTableState();
public abstract void setTableState(TableState state);
public abstract RecSegmentFilter getRecSegmentFilter();
public abstract void setRecSegmentFilter(RecSegmentFilter filter);
public abstract RecSegmentResult getItem();
public abstract void setItem(RecSegmentResult res);
public abstract void setItems(List list);
public abstract List getItems();
public void formSubmit(IRequestCycle cycle) {
//logger.debug("formSubmit");
setRecSegmentFilter(getRecSegmentFilter());
}
public void pageBeginRender(PageEvent event) {
updateResults();
}
public void pageFirstAction(IRequestCycle cycle) {
ResultsOffset = 0;
setRecSegmentFilter(getRecSegmentFilter());
}
public void pagePreviousAction(IRequestCycle cycle) {
ResultsOffset -= RESULTS_PER_PAGE;
if (ResultsOffset < 0) {
ResultsOffset = 0;
}
setRecSegmentFilter(getRecSegmentFilter());
}
public void pageNextAction(IRequestCycle cycle) {
ResultsOffset += RESULTS_PER_PAGE;
if (ResultsOffset >= NumResults) {
ResultsOffset = NumResults - RESULTS_PER_PAGE;
if (ResultsOffset < 0) {
ResultsOffset = 0;
}
}
logger.log(Level.INFO, "Next, new offset:" + ResultsOffset);
setRecSegmentFilter(getRecSegmentFilter());
}
public void pageLastAction(IRequestCycle cycle) {
ResultsOffset = NumResults - RESULTS_PER_PAGE;
if (ResultsOffset < 0) {
ResultsOffset = 0;
}
setRecSegmentFilter(getRecSegmentFilter());
}
/**
* @return Returns the resultsOffset.
*/
public int getResultsOffset() {
return ResultsOffset;
}
/**
* @param resultsOffset The resultsOffset to set.
*/
public void setResultsOffset(int resultsOffset) {
ResultsOffset = resultsOffset;
}
private void updateResults()
{
logger.debug("UpdateResults: orderby:" + getTableState().getOrderBy());
RecSegmentServiceHbn srv = new RecSegmentServiceHbn();
if (getRecSegmentFilter().isValid()) {
ArrayList results = new ArrayList();
NumResults = srv.getResults(getRecSegmentFilter(), getTableState().getCurrentOffset(), getTableState().getResultsPerPage(), getTableState().getOrderBy(), getTableState().isAscending(), results);
getTableState().setNumResults(NumResults);
logger.debug("UpdateResults: Offset:" + ResultsOffset + " num results:" + NumResults);
setItems(results);
}
else {
logger.debug("UpdateResults: Invalid filter");
}
}
/**
* @return Returns the field.
*/
public String getField() {
return field;
}
/**
* @param field The field to set.
*/
public void setField(String field) {
this.field = field;
}
}
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