import java.util.Iterator; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.ListViewer; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.List; import com.crystaldecisions.sdk.occa.report.application.DataDefController; import com.crystaldecisions.sdk.occa.report.application.ParameterFieldController; import com.crystaldecisions.sdk.occa.report.data.IField; import com.crystaldecisions.sdk.occa.report.data.IParameterField; import com.crystaldecisions.sdk.occa.report.lib.ReportSDKException;
public class MyReportPage extends EditorPart
{
private List paramList;
private Label paramLabel;
private Button paramButton;
private ListViewer listViewer;
private ICrystalReportsEditor myEditor;
...
}public void createPartControl(Composite parent)
{
Composite composite = new Composite(parent, SWT.NULL);
GridLayout layout = new GridLayout();
layout.numColumns = 4;
composite.setLayout(layout); paramLabel = new Label(composite, SWT.CENTER);
paramLabel.setText("Parameter Fields");paramList = new List(composite, SWT.V_SCROLL | SWT.MULTI | SWT.BORDER | SWT.H_SCROLL);
listViewer = new ListViewer(paramList);
listViewer.setContentProvider(new ArrayContentProvider());
listViewer.setLabelProvider(new LabelProvider()
{
public String getText(Object element)
{
IField field = (IField) element;
return field.getFormulaForm();
}
}); listViewer.addSelectionChangedListener(new ISelectionChangedListener ()
{
public void selectionChanged(SelectionChangedEvent event)
{
ListViewer listViewer = (ListViewer)event.getSource();
StructuredSelection selection = (StructuredSelection)listViewer.getSelection();
if (!selection.isEmpty())
paramButton.setEnabled(true);
}
}); paramButton = new Button (composite, SWT.PUSH | SWT.CENTER);
paramButton.setText("Delete Parameter Field");
paramButton.addSelectionListener (new SelectionAdapter()
{
public void widgetSelected (SelectionEvent e)
{
DataDefController controller = null;
try
{
controller = myEditor.getReportClientDocument().getDataDefController();
ParameterFieldController parameterFieldController = controller.getParameterFieldController();
StructuredSelection selection = (StructuredSelection) listViewer.getSelection ();
Iterator itr = selection.iterator();
while(itr.hasNext())
parameterFieldController.remove((IParameterField)itr.next());
}
catch (ReportSDKException e1)
{
e1.printStackTrace();
}
finally
{
((Button) e.getSource()).setEnabled(false);
}
}
});
}import java.util.Iterator;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.ListViewer;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.List;
import com.crystaldecisions.sdk.occa.report.application.DataDefController;
import com.crystaldecisions.sdk.occa.report.application.ParameterFieldController;
import com.crystaldecisions.sdk.occa.report.data.IField;
import com.crystaldecisions.sdk.occa.report.data.IParameterField;
import com.crystaldecisions.sdk.occa.report.lib.ReportSDKException;
public class MyReportPage extends EditorPart
{
private List paramList;
private Label paramLabel;
private Button paramButton;
private ListViewer listViewer;
private ICrystalReportsEditor myEditor;
...
public void createPartControl(Composite parent)
{
Composite composite = new Composite(parent, SWT.NULL);
GridLayout layout = new GridLayout();
layout.numColumns = 4;
composite.setLayout(layout);
paramLabel = new Label(composite, SWT.CENTER);
paramLabel.setText("Parameter Fields");
paramList = new List(composite, SWT.V_SCROLL | SWT.MULTI | SWT.BORDER | SWT.H_SCROLL);
listViewer = new ListViewer(paramList);
listViewer.setContentProvider(new ArrayContentProvider());
listViewer.setLabelProvider(new LabelProvider()
{
public String getText(Object element)
{
IField field = (IField) element;
return field.getFormulaForm();
}
});
paramButton = new Button (composite, SWT.PUSH | SWT.CENTER);
paramButton.setText("Delete Parameter Field");
paramButton.addSelectionListener (new SelectionAdapter()
{
public void widgetSelected (SelectionEvent e)
{
DataDefController controller = null;
try
{
controller = myEditor.getReportClientDocument().getDataDefController();
ParameterFieldController parameterFieldController = controller.getParameterFieldController();
StructuredSelection selection = (StructuredSelection) listViewer.getSelection ();
Iterator itr = selection.iterator();
while(itr.hasNext())
parameterFieldController.remove((IParameterField)itr.next());
}
catch (ReportSDKException e1)
{
e1.printStackTrace();
}
finally
{
((Button) e.getSource()).setEnabled(false);
}
}
});
}
}|
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