/*
 * ******************************************************************************
 *  * 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.uwsoft.editor.view.ui.box;

import com.commons.MsgAPI;
import com.puremvc.patterns.mediator.SimpleMediator;
import com.puremvc.patterns.observer.Notification;
import com.uwsoft.editor.Overlap2DFacade;
import com.uwsoft.editor.proxy.ProjectManager;
import com.uwsoft.editor.view.stage.Sandbox;
import org.apache.commons.lang3.math.NumberUtils;

/**
 * Created by sargis on 4/9/15.
 */
public class UIZoomBoxMediator extends SimpleMediator<UIZoomBox> {
    private static final String TAG = UIZoomBoxMediator.class.getCanonicalName();
    public static final String NAME = TAG;

    private static final String PREFIX = "com.uwsoft.editor.view.ui.box.UIZoomBoxMediator.";

    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,
                MsgAPI.ZOOM_CHANGED
        };
    }

    @Override
    public void handleNotification(Notification notification) {
        super.handleNotification(notification);
        Sandbox sandbox = Sandbox.getInstance();
        switch (notification.getName()) {
            case ProjectManager.PROJECT_OPENED:
                viewComponent.update();
                viewComponent.setCurrentZoom(sandbox.getZoomPercent() + "");
                break;
            case  UIZoomBox.ZOOM_SHIFT_REQUESTED:
                float zoomDevider = notification.getBody();
                sandbox.zoomDevideBy(zoomDevider);
                break;
            case  UIZoomBox.ZOOM_VALUE_CHANGED:
                sandbox.setZoomPercent(NumberUtils.toInt(viewComponent.getCurrentZoom()));
                facade.sendNotification(MsgAPI.ZOOM_CHANGED);
                break;
            case  MsgAPI.ZOOM_CHANGED:
                viewComponent.setCurrentZoom(sandbox.getZoomPercent() + "");
                break;
        }
    }
}