| /******************************************************************************* |
| * Copyright (c) 2010 BSI Business Systems Integration AG. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * BSI Business Systems Integration AG - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.scout.rt.client.ui.action.menu.root.internal; |
| |
| import java.beans.PropertyChangeEvent; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.eclipse.scout.commons.CollectionUtility; |
| import org.eclipse.scout.rt.client.ui.action.IAction; |
| import org.eclipse.scout.rt.client.ui.action.IActionVisitor; |
| import org.eclipse.scout.rt.client.ui.action.menu.IMenu; |
| import org.eclipse.scout.rt.client.ui.action.menu.MenuUtility; |
| import org.eclipse.scout.rt.client.ui.action.menu.root.AbstractPropertyObserverContextMenu; |
| import org.eclipse.scout.rt.client.ui.action.menu.root.ITableContextMenu; |
| import org.eclipse.scout.rt.client.ui.basic.table.ITable; |
| import org.eclipse.scout.rt.client.ui.basic.table.ITableRow; |
| import org.eclipse.scout.rt.client.ui.basic.table.TableAdapter; |
| import org.eclipse.scout.rt.client.ui.basic.table.TableEvent; |
| |
| /** |
| * The invisible root menu node of any table. (internal usage only) |
| */ |
| public class TableContextMenu extends AbstractPropertyObserverContextMenu<ITable> implements ITableContextMenu { |
| private List<? extends ITableRow> m_currentSelection; |
| |
| /** |
| * @param owner |
| */ |
| public TableContextMenu(ITable owner, List<? extends IMenu> initialChildMenus) { |
| super(owner, initialChildMenus); |
| } |
| |
| @Override |
| protected void initConfig() { |
| super.initConfig(); |
| getOwner().addTableListener(new P_OwnerTableListener()); |
| // set active filter |
| setCurrentMenuTypes(MenuUtility.getMenuTypesForTableSelection(getOwner().getSelectedRows())); |
| calculateLocalVisibility(); |
| } |
| |
| @Override |
| protected void afterChildMenusAdd(Collection<? extends IMenu> newChildMenus) { |
| super.afterChildMenusAdd(newChildMenus); |
| handleOwnerEnabledChanged(); |
| } |
| |
| @Override |
| protected void afterChildMenusRemove(Collection<? extends IMenu> childMenusToRemove) { |
| super.afterChildMenusRemove(childMenusToRemove); |
| handleOwnerEnabledChanged(); |
| } |
| |
| /** |
| * |
| */ |
| protected void handleOwnerEnabledChanged() { |
| if (getOwner() != null) { |
| final boolean enabled = getOwner().isEnabled(); |
| acceptVisitor(new IActionVisitor() { |
| @Override |
| public int visit(IAction action) { |
| if (action instanceof IMenu) { |
| IMenu menu = (IMenu) action; |
| if (!menu.hasChildActions() && menu.isInheritAccessibility()) { |
| menu.setEnabled(enabled); |
| } |
| } |
| return CONTINUE; |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void callOwnerValueChanged() { |
| handleOwnerValueChanged(); |
| } |
| |
| protected void handleOwnerValueChanged() { |
| m_currentSelection = null; |
| if (getOwner() != null) { |
| final List<ITableRow> ownerValue = getOwner().getSelectedRows(); |
| m_currentSelection = CollectionUtility.arrayList(ownerValue); |
| setCurrentMenuTypes(MenuUtility.getMenuTypesForTableSelection(ownerValue)); |
| acceptVisitor(new MenuOwnerChangedVisitor(ownerValue, getCurrentMenuTypes())); |
| calculateLocalVisibility(); |
| calculateEnableState(ownerValue); |
| } |
| } |
| |
| /** |
| * @param ownerValue |
| */ |
| protected void calculateEnableState(List<? extends ITableRow> ownerValue) { |
| boolean enabled = true; |
| for (ITableRow row : ownerValue) { |
| if (!row.isEnabled()) { |
| enabled = false; |
| break; |
| } |
| } |
| final boolean inheritedEnability = enabled; |
| acceptVisitor(new IActionVisitor() { |
| @Override |
| public int visit(IAction action) { |
| if (action instanceof IMenu) { |
| IMenu menu = (IMenu) action; |
| if (!menu.hasChildActions() && menu.isInheritAccessibility()) { |
| menu.setEnabledInheritAccessibility(inheritedEnability); |
| } |
| } |
| return CONTINUE; |
| } |
| }); |
| } |
| |
| /** |
| * @param rows |
| */ |
| protected void handleRowsUpdated(List<ITableRow> rows) { |
| if (CollectionUtility.containsAny(rows, m_currentSelection)) { |
| calculateEnableState(m_currentSelection); |
| } |
| } |
| |
| @Override |
| protected void handleOwnerPropertyChanged(PropertyChangeEvent evt) { |
| if (ITable.PROP_ENABLED.equals(evt.getPropertyName())) { |
| handleOwnerEnabledChanged(); |
| } |
| } |
| |
| private class P_OwnerTableListener extends TableAdapter { |
| @Override |
| public void tableChanged(TableEvent e) { |
| if (e.getType() == TableEvent.TYPE_ROWS_SELECTED) { |
| handleOwnerValueChanged(); |
| } |
| else if (e.getType() == TableEvent.TYPE_ROWS_UPDATED) { |
| if (CollectionUtility.containsAny(e.getRows(), m_currentSelection)) { |
| handleOwnerValueChanged(); |
| } |
| } |
| } |
| } |
| } |