public String open() {
Shell parent = getParent();
Display display = parent.getDisplay();
shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX | SWT.MIN);
props.setLook(shell);
setShellImage(shell, input);
ModifyListener lsMod =
new ModifyListener() {
public void modifyText(ModifyEvent e) {
input.setChanged();
}
};
changed = input.hasChanged();
FormLayout formLayout = new FormLayout();
formLayout.marginWidth = Const.FORM_MARGIN;
formLayout.marginHeight = Const.FORM_MARGIN;
shell.setLayout(formLayout);
shell.setText(BaseMessages.getString(PKG, "NullIfDialog.Shell.Label"));
int middle = props.getMiddlePct();
int margin = Const.MARGIN;
// Stepname line
wlStepname = new Label(shell, SWT.RIGHT);
wlStepname.setText(BaseMessages.getString(PKG, "NullIfDialog.Stepname.Label"));
props.setLook(wlStepname);
fdlStepname = new FormData();
fdlStepname.left = new FormAttachment(0, 0);
fdlStepname.right = new FormAttachment(middle, -margin);
fdlStepname.top = new FormAttachment(0, margin);
wlStepname.setLayoutData(fdlStepname);
wStepname = new Text(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
wStepname.setText(stepname);
props.setLook(wStepname);
wStepname.addModifyListener(lsMod);
fdStepname = new FormData();
fdStepname.left = new FormAttachment(middle, 0);
fdStepname.top = new FormAttachment(0, margin);
fdStepname.right = new FormAttachment(100, 0);
wStepname.setLayoutData(fdStepname);
wlFields = new Label(shell, SWT.NONE);
wlFields.setText(BaseMessages.getString(PKG, "NullIfDialog.Fields.Label"));
props.setLook(wlFields);
fdlFields = new FormData();
fdlFields.left = new FormAttachment(0, 0);
fdlFields.top = new FormAttachment(wStepname, margin);
wlFields.setLayoutData(fdlFields);
final int FieldsCols = 2;
final int FieldsRows = input.getFieldName().length;
colinf = new ColumnInfo[FieldsCols];
colinf[0] =
new ColumnInfo(
BaseMessages.getString(PKG, "NullIfDialog.ColumnInfo.Name"),
ColumnInfo.COLUMN_TYPE_CCOMBO,
new String[] {""},
false);
colinf[1] =
new ColumnInfo(
BaseMessages.getString(PKG, "NullIfDialog.ColumnInfo.ValueToNull"),
ColumnInfo.COLUMN_TYPE_TEXT,
false);
wFields =
new TableView(
transMeta,
shell,
SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI,
colinf,
FieldsRows,
lsMod,
props);
fdFields = new FormData();
fdFields.left = new FormAttachment(0, 0);
fdFields.top = new FormAttachment(wlFields, margin);
fdFields.right = new FormAttachment(100, 0);
fdFields.bottom = new FormAttachment(100, -50);
wFields.setLayoutData(fdFields);
//
// Search the fields in the background
final Runnable runnable =
new Runnable() {
public void run() {
StepMeta stepMeta = transMeta.findStep(stepname);
if (stepMeta != null) {
try {
RowMetaInterface row = transMeta.getPrevStepFields(stepMeta);
// Remember these fields...
for (int i = 0; i < row.size(); i++) {
inputFields.put(row.getValueMeta(i).getName(), Integer.valueOf(i));
}
setComboBoxes();
} catch (KettleException e) {
logError(BaseMessages.getString(PKG, "System.Dialog.GetFieldsFailed.Message"));
}
}
}
};
new Thread(runnable).start();
// Some buttons
wOK = new Button(shell, SWT.PUSH);
wOK.setText(BaseMessages.getString(PKG, "System.Button.OK"));
wGet = new Button(shell, SWT.PUSH);
wGet.setText(BaseMessages.getString(PKG, "System.Button.GetFields"));
wCancel = new Button(shell, SWT.PUSH);
wCancel.setText(BaseMessages.getString(PKG, "System.Button.Cancel"));
setButtonPositions(new Button[] {wOK, wCancel, wGet}, margin, wFields);
// Add listeners
lsCancel =
new Listener() {
public void handleEvent(Event e) {
cancel();
}
};
lsGet =
new Listener() {
public void handleEvent(Event e) {
get();
}
};
lsOK =
new Listener() {
public void handleEvent(Event e) {
ok();
}
};
wCancel.addListener(SWT.Selection, lsCancel);
wGet.addListener(SWT.Selection, lsGet);
wOK.addListener(SWT.Selection, lsOK);
lsDef =
new SelectionAdapter() {
public void widgetDefaultSelected(SelectionEvent e) {
ok();
}
};
wStepname.addSelectionListener(lsDef);
// 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();
input.setChanged(changed);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
return stepname;
}
private void cancel() {
stepname = null;
input.setChanged(changed);
dispose();
}