Java tutorial
/* * ****************************************************************************** * * Copyright 2015 See AUTHORS file. * * * * Licensed under the Apache License, Version 2.0 (the "License"); * * you may not use this file except in compliance with the License. * * You may obtain a copy of the License at * * * * http://www.apache.org/licenses/LICENSE-2.0 * * * * Unless required by applicable law or agreed to in writing, software * * distributed under the License is distributed on an "AS IS" BASIS, * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * * See the License for the specific language governing permissions and * * limitations under the License. * ***************************************************************************** */ package com.o2d.pkayjava.editor.view.ui.box; import com.o2d.pkayjava.editor.view.ui.box.*; import com.o2d.pkayjava.editor.view.ui.box.UIZoomBox; import org.apache.commons.lang3.math.NumberUtils; import com.puremvc.patterns.mediator.SimpleMediator; import com.puremvc.patterns.observer.Notification; import com.o2d.pkayjava.editor.Overlap2D; import com.o2d.pkayjava.editor.view.stage.Sandbox; import com.o2d.pkayjava.editor.Overlap2DFacade; import com.o2d.pkayjava.editor.proxy.ProjectManager; /** * Created by sargis on 4/9/15. */ public class UIZoomBoxMediator extends SimpleMediator<UIZoomBox> { private static final String TAG; public static final String NAME; static { TAG = UIZoomBoxMediator.class.getName(); NAME = TAG; } public UIZoomBoxMediator() { super(NAME, new UIZoomBox()); } @Override public void onRegister() { facade = Overlap2DFacade.getInstance(); } @Override public String[] listNotificationInterests() { return new String[] { ProjectManager.PROJECT_OPENED, UIZoomBox.ZOOM_SHIFT_REQUESTED, UIZoomBox.ZOOM_VALUE_CHANGED, Overlap2D.ZOOM_CHANGED }; } @Override public void handleNotification(Notification notification) { super.handleNotification(notification); Sandbox sandbox = Sandbox.getInstance(); if (ProjectManager.PROJECT_OPENED.equals(notification.getName())) { viewComponent.update(); viewComponent.setCurrentZoom(sandbox.getZoomPercent() + ""); } else if (UIZoomBox.ZOOM_SHIFT_REQUESTED.equals(notification.getName())) { float zoomDevider = notification.getBody(); sandbox.zoomDevideBy(zoomDevider); } else if (UIZoomBox.ZOOM_VALUE_CHANGED.equals(notification.getName())) { sandbox.setZoomPercent(NumberUtils.toInt(viewComponent.getCurrentZoom())); facade.sendNotification(Overlap2D.ZOOM_CHANGED); } else if (Overlap2D.ZOOM_CHANGED.equals(notification.getName())) viewComponent.setCurrentZoom(sandbox.getZoomPercent() + ""); } }