com.foc.vaadin.FNotificationButton.java Source code

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Here is the source code for com.foc.vaadin.FNotificationButton.java

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/*******************************************************************************
 * Copyright 2016 Antoine Nicolas SAMAHA
 * 
 * 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.foc.vaadin;

import com.foc.Globals;
import com.foc.list.FocList;
import com.foc.vaadin.gui.FVIconFactory;
import com.vaadin.ui.NativeButton;

@SuppressWarnings("serial")
public class FNotificationButton extends NativeButton {

    private static final long DELAY = 60 * 1000;

    private java.sql.Date lastUpdate = null;
    private FocWebVaadinWindow focWebVaadinWindow = null;

    public FNotificationButton(FocWebVaadinWindow focWebVaadinWindow) {
        this.focWebVaadinWindow = focWebVaadinWindow;
        setIcon(FVIconFactory.getInstance().getFVIcon(FVIconFactory.ICON_NOTE));
        addClickListener(new ClickListener() {
            @Override
            public void buttonClick(ClickEvent event) {
                //        FocList focList = FChatDesc.getInstance().getFocList();
                //        getFocWebVaadinWindow().changeCentralPanelContent_ToTableForFocList(focList);
            }
        });
        resetIfNeeded(null);
    }

    public void dispose() {
        focWebVaadinWindow = null;
        lastUpdate = null;
    }

    public java.sql.Date getLastUpdate() {
        return lastUpdate;
    }

    public FocWebVaadinWindow getFocWebVaadinWindow() {
        return focWebVaadinWindow;
    }

    private int getNotification_Size(FocList focList) {
        int size = 0;
        if (focList == null) {
            //        focList = FChatDesc.getInstance().getFocList();
        } else {
            size = focList.size();
        }
        return size;
    }

    public void resetIfNeeded(FocList focList) {
        boolean doReset = lastUpdate == null;

        java.sql.Date currentDate = null;
        if (!doReset) {
            currentDate = Globals.getApp().getSystemDate();
            if (currentDate != null) {
                long timeDiff = currentDate.getTime() - lastUpdate.getTime();
                doReset = timeDiff > DELAY;
            }
        }

        if (doReset) {
            if (focWebVaadinWindow != null) {
                reset(focList);
            }
        }
    }

    public void reset(FocList focList) {
        int listSize = getNotification_Size(focList);
        setCaption(listSize + "");
        //     setVisible(listSize > 0);
        lastUpdate = Globals.getApp().getSystemDate();
    }
}