Bug 172814 [Viewers] Rename AbstractViewerEditor to ColumnViewerEditor
There is no "AbstractViewer", and this class is referenced from ColumnViewer. To make the names more consistent, it should be called ColumnViewerEditor, not AbstractViewerEditor.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractViewerEditor.java
int columns = row.getColumnCount();
		if (columns == 0) {
			
			
			columnToEdit = 0;
		} else {
			columnToEdit = -1;
			for (int i = 0; i < columns; i++) {
				Rectangle bounds = row.getBounds(i);
				if (bounds.contains(event.x, event.y)) {
					columnToEdit = i;
					break;
				}
			}
			if (columnToEdit == -1) {
				return;
			}
		}
		columnNumber = columnToEdit;
		activateCellEditor();
	}
	/**
	 * Applies the current value and deactivates the currently active cell
	 * editor.
	 */
	void applyEditorValue() {
		CellEditor c = this.cellEditor;
		if (c != null) {