/** * Implementation of the <code>IUpdate</code> prototype method discovers the operation through the * current editor's <code>ITextOperationTarget</code> adapter, and sets the enabled state * accordingly. */ public void update() { super.update(); if (!canModifyEditor()) { setEnabled(false); return; } ITextEditor editor = getTextEditor(); if (fOperationTarget == null && editor != null) fOperationTarget = (ITextOperationTarget) editor.getAdapter(ITextOperationTarget.class); boolean isEnabled = (fOperationTarget != null && fOperationTarget.canDoOperation(ITextOperationTarget.PREFIX) && fOperationTarget.canDoOperation(ITextOperationTarget.STRIP_PREFIX)); setEnabled(isEnabled); }
/* (non-Javadoc) * @see org.eclipse.ui.texteditor.IUpdate#update() */ @Override public void update() { super.update(); if (!isReadOnlyOperation() && !canModifyEditor()) { setEnabled(false); return; } ITextEditor editor = getTextEditor(); if (fOperationTarget == null && editor != null && fOperationCode != -1) fOperationTarget = (ITextOperationTarget) editor.getAdapter(ITextOperationTarget.class); boolean isEnabled = (fOperationTarget != null && fOperationTarget.canDoOperation(fOperationCode)); setEnabled(isEnabled); }