How to use

dispose

method

in

org.eclipse.swt.widgets.Composite

 public void widgetDisposed( DisposeEvent event ) {
  composite.dispose();
 }
} );

public void dispose() {
 if ( !isDisposed() ) {
  if ( control instanceof Composite ) {
   ( (Composite) control ).dispose();
  }
  item.dispose();
  tabset.remove( this );
 }
}

public void unEdit() {
 if ( text != null && !text.isDisposed() ) {
  text.dispose();
 }
 if ( combo != null && !combo.isDisposed() ) {
  combo.dispose();
 }
}

 composite.dispose();
 break;
case SWT.Verify:
   composite.dispose();
   e.doit = false;
   break;

 composite.dispose();
 break;
case SWT.Verify:
   composite.dispose();
   e.doit = false;
   break;

 composite.dispose();
 break;
case SWT.Verify:
   composite.dispose();
   e.doit = false;
   break;

public void dispose() {
 Shell shell = (Shell) this.xulDialog.getRootObject();
 if ( !shell.isDisposed() ) {
  WindowProperty winprop = new WindowProperty( shell );
  props.setScreen( winprop );
  ( (Composite) this.xulDialog.getManagedObject() ).dispose();
  shell.dispose();
 }
}

 public void dispose() {
  super.dispose();
  List<XulComponent> pops = xulDomContainer.getDocumentRoot().getElementsByTagName( "menupopup" );
  for ( XulComponent pop : pops ) {
   ( (MenuManager) pop.getManagedObject() ).dispose();
  }
 }
}

private void applyComboChange( TableItem row, int rownr, int colnr ) {
 String textData;
 if ( combo instanceof ComboVar ) {
  textData = ( (ComboVar) combo ).getText();
 } else {
  textData = ( (CCombo) combo ).getText();
 }
 row.setText( colnr, textData );
 combo.dispose();
 String[] afterEdit = getItemText( row );
 checkChanged( new String[][]{ beforeEdit }, new String[][]{ afterEdit }, new int[]{ rownr } );
 selectionStart = -1;
 fireContentChangedListener( rownr, colnr, textData );
}

 @Override
 public void focusLost( FocusEvent e ) {
  TableItem row = activeTableItem;
  if ( row == null ) {
   return;
  }
  int colnr = activeTableColumn;
  int rownr = table.indexOf( row );
  if ( colnr > 0 ) {
   try {
    if ( combo instanceof ComboVar ) {
     row.setText( colnr, ( (ComboVar) combo ).getText() );
    } else {
     row.setText( colnr, ( (CCombo) combo ).getText() );
    }
   } catch ( Exception exc ) {
    // Eat widget disposed error
   }
   String[] afterEdit = getItemText( row );
   if ( afterEdit != null ) {
    checkChanged( new String[][]{ beforeEdit }, new String[][]{ afterEdit }, new int[]{ rownr } );
   }
  }
  combo.dispose();
  tableViewModifyListener.cellFocusLost( rownr );
 }
};

private void disposeExtraView() {
 extraViewComposite.dispose();
 sashForm.layout();
 sashForm.setWeights( new int[] { 100, } );
 XulToolbarbutton button = (XulToolbarbutton) toolbar.getElementById( "job-show-results" );
 button.setTooltiptext( BaseMessages.getString( PKG, "Spoon.Tooltip.ShowExecutionResults" ) );
 ToolItem swtToolItem = (ToolItem) button.getManagedObject();
 swtToolItem.setImage( GUIResource.getInstance().getImageShowResults() );
}

private void disposeExtraView() {
 extraViewComposite.dispose();
 sashForm.layout();
 sashForm.setWeights( new int[] { 100, } );
 XulToolbarbutton button = (XulToolbarbutton) toolbar.getElementById( "trans-show-results" );
 button.setTooltiptext( BaseMessages.getString( PKG, "Spoon.Tooltip.ShowExecutionResults" ) );
 ToolItem toolItem = (ToolItem) button.getManagedObject();
 toolItem.setImage( GUIResource.getInstance().getImageShowResults() );
}

private void addTabs() {
  tabComp.dispose();

Composite comp = (Composite) itemInterface;
if ( comp != null && !comp.isDisposed() ) {
 comp.dispose();

 activeTableItem.setText( activeTableColumn, beforeEdit[activeTableColumn - 1] );
combo.dispose();
table.setFocus();
e.doit = false;

@Override
public void dispose() {
  if ((composite != null) && !composite.isDisposed()) {
    composite.dispose();
  }
  composite = null;
}

private void createBlankParamComp() {
  if (fParamComposite != null)
    fParamComposite.dispose();
  fParamComposite = fCCP.createComposite(fParamParent, GridData.FILL_BOTH, 1, true, 0);
}

private int computeScrollBarWidth() {
  Composite t= new Composite(fTable.getShell(), SWT.V_SCROLL);
  int result= t.computeTrim(0, 0, 0, 0).width;
  t.dispose();
  return result;
}

/**
 * Clears the look of the forms body.
 */
private void clearFormBody() {
  if ((cmrMessageComposite != null) && !cmrMessageComposite.isDisposed()) {
    cmrMessageComposite.dispose();
  }
  treeViewer.setInput(Collections.emptyList());
  treeViewer.getTree().setVisible(false);
  treeViewer.getTree().setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false));
}

/**
 * {@inheritDoc}
 */
@Override
public void dispose() {
  arrow.dispose();
  InspectIT.getDefault().getCmrRepositoryManager().removeCmrRepositoryChangeListener(this);
  InspectIT.getDefault().getInspectITStorageManager().removeStorageChangeListener(this);
  super.dispose();
}