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package org.litesoft.GWT.client.widgets.datatables;
import java.util.*;
import com.google.gwt.event.dom.client.*;
import com.google.gwt.gen2.table.client.*;
import com.google.gwt.gen2.table.override.client.*;
import com.google.gwt.user.client.*;
public interface TableHelper
{
public abstract static class GridHelper
{
private final HTMLTable mGrid;
public GridHelper(HTMLTable pGrid)
{
mGrid = pGrid;
}
public int getRowForEvent(Event pEvent)
{
Element targetCell = mGrid.getEventTargetCell(pEvent);
return (targetCell != null) ? getRowIndex(DOM.getParent(targetCell)) : -1;
}
public Cell getCellForEvent(Event pEvent)
{
Element targetCell = mGrid.getEventTargetCell(pEvent);
if (targetCell != null)
{
Element targetRow = DOM.getParent(targetCell);
int row = getRowIndex(targetRow);
int col = getCellIndex(targetRow, targetCell);
if (col != -1)
{
return new Cell(row, col);
}
}
return null;
}
protected abstract int getRowIndex(Element pRowElement);
protected abstract int getCellIndex(Element pRowElement, Element pCellElement);
}
public static abstract class GridClickHandler<RowType> implements ClickHandler
{
private final List<ColumnDefinition<RowType, ?>> mColDefs;
private final GridHelper mGridHelper;
private final int mFirstRowOffset;
public GridClickHandler(int pFirstRowOffset, GridHelper pGridHelper, List<ColumnDefinition<RowType, ?>> pColDefs)
{
mFirstRowOffset = pFirstRowOffset;
mGridHelper = pGridHelper;
mColDefs = pColDefs;
}
@SuppressWarnings("unchecked")
public void onClick(ClickEvent pEvent)
{
Cell cell = mGridHelper.getCellForEvent(Event.as(pEvent.getNativeEvent()));
if (cell != null)
{
ColumnDefinition<RowType, ?> colDef = mColDefs.get(cell.getCol());
ClickHandlerProperty zProperty = colDef.getColumnProperty(ClickHandlerProperty.TYPE);
if (zProperty != null)
{
CellClickHandler<?> clickHandler = zProperty.getValue();
if (clickHandler != null)
{
int rowIndex = cell.getRow() - mFirstRowOffset; // Mat, I updated this to remove the overhead on the Accordion table
if (rowIndex >= 0)
{
RowType rowValue = getRowValue(rowIndex);
((CellClickHandler<RowType>) clickHandler).execute(colDef, rowIndex, rowValue);
}
}
}
pEvent.stopPropagation();
}
}
protected abstract RowType getRowValue(int pRow);
}
public static class Cell
{
private final int mRow;
private final int mCol;
public Cell( int pRow, int pCol )
{
mRow = pRow;
mCol = pCol;
}
public int getRow()
{
return mRow;
}
public int getCol()
{
return mCol;
}
}
}
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Revision |
Author |
Commited |
Message |
2
|
GeorgeS
|
Sun 07 Feb, 2010 12:50:58 +0000 |
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