/** Create GUI elements in the dialog. */
protected Control createContents(Composite parent) {
GridLayout layout = new GridLayout();
layout.numColumns = 3;
GridData gridLabel = new GridData(GridData.FILL_BOTH);
gridLabel.verticalSpan = 1;
gridLabel.horizontalSpan = 1;
gridLabel.widthHint = 250;
gridLabel.heightHint = 20;
GridData gridText = new GridData(GridData.FILL_BOTH);
gridText.verticalSpan = 1;
gridText.horizontalSpan = 2;
gridText.widthHint = 150;
gridText.heightHint = 20;
parent.getShell().setLayout(layout);
parent.getShell().setText("Messagebox View Options");
Label lblRefreshTime = new Label(parent, SWT.NONE);
lblRefreshTime.setText("Refresh Time (ms):");
lblRefreshTime.setLayoutData(gridLabel);
final Text txtRefreshTime = new Text(parent, SWT.BORDER);
txtRefreshTime.setText(String.format("%d", getRefreshTime()));
txtRefreshTime.setLayoutData(gridText);
Label lblNMsg = new Label(parent, SWT.NONE);
lblNMsg.setText(
String.format(
"Number of Messages (of %d):",
ResourceCenter.getInstance()
.getPersistence()
.count(mbv.getSelectedAdapter(), mbv.getSelectedReader())));
lblNMsg.setLayoutData(gridLabel);
final Text txtNMsg = new Text(parent, SWT.BORDER);
txtNMsg.setText(String.format("%d", getNumberOfMessages()));
txtNMsg.setLayoutData(gridText);
// we need to create a special grid data object for the check-box
// without width-hint as otherwise the check-box will not be displayed
// in *nix ...
GridData gridNoWidthHint = new GridData();
gridNoWidthHint.horizontalSpan = 3;
final Button allMsg = new Button(parent, SWT.CHECK);
allMsg.setText("display all messages");
allMsg.setLayoutData(gridNoWidthHint);
allMsg.setSelection(false);
if (Persistence.RETRIEVE_ALL == getNumberOfMessages()) {
allMsg.setSelection(true);
}
// add a selection listener that changes the value of the
// number of messages field whenever the selection is changed.
allMsg.addSelectionListener(
new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent arg0) {
// ignore ...
}
public void widgetSelected(SelectionEvent arg0) {
if (allMsg.getSelection()) {
txtNMsg.setText(String.format("%d", Persistence.RETRIEVE_ALL));
} else {
txtNMsg.setText(String.format("%d", ResourceCenter.GET_MAX_MESSAGES));
}
}
});
final Button btnOK = new Button(parent, SWT.PUSH);
btnOK.setText("OK");
btnOK.setFocus();
btnOK.setLayoutData(gridLabel);
btnOK.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
setRefreshTime(Long.parseLong(txtRefreshTime.getText()));
setNumberOfMessages(Integer.parseInt(txtNMsg.getText()));
setReturnCode(Window.OK);
close();
}
});
txtRefreshTime.addListener(
SWT.Modify,
new Listener() {
public void handleEvent(Event event) {
try {
if ((txtRefreshTime.getText() == null) || (txtRefreshTime.getText().length() < 3)) {
btnOK.setEnabled(false);
} else {
btnOK.setEnabled(true);
setRefreshTime(Long.parseLong(txtRefreshTime.getText()));
}
} catch (Exception e) {
btnOK.setEnabled(false);
}
}
});
txtNMsg.addListener(
SWT.Modify,
new Listener() {
public void handleEvent(Event event) {
try {
final int n = (new Integer(txtNMsg.getText())).intValue();
btnOK.setEnabled(true);
setNumberOfMessages(n);
if (Persistence.RETRIEVE_ALL != n) {
allMsg.setSelection(false);
} else {
allMsg.setSelection(true);
}
} catch (Exception e) {
btnOK.setEnabled(false);
}
}
});
final Button btnCancel = new Button(parent, SWT.PUSH);
btnCancel.setText("Cancel");
btnCancel.setLayoutData(gridLabel);
btnCancel.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
setReturnCode(Window.CANCEL);
close();
}
});
parent.pack();
return parent;
}
/**
* create a new options dialog.
*
* @param aShell Shell instance.
* @param mbv a link to the surrounding message box view.
*/
public MessageboxViewOptionsDialog(Shell aShell, MessageboxView mbv) {
super(aShell);
numberOfMessages = mbv.getDisplayNumMessages();
refreshTime = ResourceCenter.getInstance().getMessageBoxRefresh().getRefreshTime();
this.mbv = mbv;
}