public DemoPartitionerDialog(
Shell parent, StepMeta stepMeta, StepPartitioningMeta partitioningMeta, TransMeta transMeta) {
super(
parent,
(BaseStepMeta) stepMeta.getStepMetaInterface(),
transMeta,
partitioningMeta.getPartitioner().getDescription());
this.stepMeta = stepMeta;
this.partitioningMeta = partitioningMeta;
partitioner = (DemoPartitioner) partitioningMeta.getPartitioner();
fieldName = partitioner.getFieldName();
}
public String open() {
Shell parent = getParent();
Display display = parent.getDisplay();
shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MIN | SWT.MAX);
props.setLook(shell);
setShellImage(shell, stepMeta.getStepMetaInterface());
ModifyListener lsMod =
new ModifyListener() {
public void modifyText(ModifyEvent e) {
partitioningMeta.hasChanged(true);
}
};
changed = partitioningMeta.hasChanged();
FormLayout formLayout = new FormLayout();
formLayout.marginWidth = Const.FORM_MARGIN;
formLayout.marginHeight = Const.FORM_MARGIN;
shell.setLayout(formLayout);
shell.setText(partitioner.getDescription()); // $NON-NLS-1$
int margin = Const.MARGIN;
int middle = props.getMiddlePct();
wlFieldname = new Label(shell, SWT.RIGHT);
wlFieldname.setText("Fieldname"); // $NON-NLS-1$
props.setLook(wlFieldname);
fdlFieldname = new FormData();
fdlFieldname.left = new FormAttachment(0, 0);
fdlFieldname.right = new FormAttachment(middle, -margin);
fdlFieldname.top = new FormAttachment(0, margin);
wlFieldname.setLayoutData(fdlFieldname);
wFieldname = new CCombo(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
wFieldname.setText(fieldName == null ? "" : fieldName);
props.setLook(wFieldname);
wFieldname.addModifyListener(lsMod);
fdFieldname = new FormData();
fdFieldname.left = new FormAttachment(middle, 0);
fdFieldname.top = new FormAttachment(0, margin);
fdFieldname.right = new FormAttachment(100, 0);
wFieldname.setLayoutData(fdFieldname);
try {
RowMetaInterface inputFields = transMeta.getPrevStepFields(stepMeta);
if (inputFields != null) {
String[] fieldNames = inputFields.getFieldNames();
Arrays.sort(fieldNames);
wFieldname.setItems(fieldNames);
}
} catch (KettleStepException e) {
new ErrorDialog(shell, "Error", "Error obtaining list of input fields:", e);
}
// Some buttons
wOK = new Button(shell, SWT.PUSH);
wOK.setText(BaseMessages.getString(PKG, "System.Button.OK")); // $NON-NLS-1$
wCancel = new Button(shell, SWT.PUSH);
wCancel.setText(BaseMessages.getString(PKG, "System.Button.Cancel")); // $NON-NLS-1$
fdOK = new FormData();
setButtonPositions(new Button[] {wOK, wCancel}, margin, null);
// Add listeners
lsCancel =
new Listener() {
public void handleEvent(Event e) {
cancel();
}
};
lsOK =
new Listener() {
public void handleEvent(Event e) {
ok();
}
};
wCancel.addListener(SWT.Selection, lsCancel);
wOK.addListener(SWT.Selection, lsOK);
lsDef =
new SelectionAdapter() {
public void widgetDefaultSelected(SelectionEvent e) {
ok();
}
};
// Detect X or ALT-F4 or something that kills this window...
shell.addShellListener(
new ShellAdapter() {
public void shellClosed(ShellEvent e) {
cancel();
}
});
// Set the shell size, based upon previous time...
setSize();
getData();
partitioningMeta.hasChanged(changed);
setSize();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
return stepname;
}
private void ok() {
fieldName = wFieldname.getText();
partitioner.setFieldName(fieldName);
dispose();
}
