fr.mncc.gwttoolbox.ui.client.Indicator.java Source code

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Here is the source code for fr.mncc.gwttoolbox.ui.client.Indicator.java

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/**
 * Copyright (c) 2013 MNCC
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 * @author http://www.mncc.fr
 */
package fr.mncc.gwttoolbox.ui.client;

import com.google.gwt.dom.client.Style;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.RootPanel;

public final class Indicator extends PopupPanel {

    private Label label_ = new Label();

    public Indicator() {
        add(label_);
        getElement().getStyle().setZIndex(999999999); // Must be on top of all other widgets
    }

    public static Indicator showInfoForever(String msg) {

        Indicator indicator = new Indicator();
        indicator.setInfoMessage(msg);
        indicator.show();
        return indicator;
    }

    public static Indicator showErrorForever(String msg) {

        Indicator indicator = new Indicator();
        indicator.setErrorMessage(msg);
        indicator.show();
        return indicator;
    }

    public static Indicator showSuccessForever(String msg) {

        Indicator indicator = new Indicator();
        indicator.setSuccessMessage(msg);
        indicator.show();
        return indicator;
    }

    public static void showInfo(String msg) {
        showInfo(msg, 3);
    }

    public static void showInfo(String msg, int durationInSeconds) {

        final Indicator indicator = new Indicator();
        indicator.setInfoMessage(msg);
        indicator.show();

        Timer timer = new Timer() {

            @Override
            public void run() {
                indicator.hide();
            }
        };
        timer.schedule(durationInSeconds * 1000);
    }

    public static void showError(String msg) {
        showError(msg, 4);
    }

    public static void showError(String msg, int durationInSeconds) {

        final Indicator indicator = new Indicator();
        indicator.setErrorMessage(msg);
        indicator.show();

        Timer timer = new Timer() {

            @Override
            public void run() {
                indicator.hide();
            }
        };
        timer.schedule(durationInSeconds * 1000);
    }

    public static void showSuccess(String msg) {
        showSuccess(msg, 4);
    }

    public static void showSuccess(String msg, int durationInSeconds) {

        final Indicator indicator = new Indicator();
        indicator.setSuccessMessage(msg);
        indicator.show();

        Timer timer = new Timer() {

            @Override
            public void run() {
                indicator.hide();
            }
        };
        timer.schedule(durationInSeconds * 1000);
    }

    @Override
    public void onLoad() {
        super.onLoad();
        setPopupPosition(getPopupLeftPositionOnLoad(), getPopupTopPositionOnLoad());
    }

    public void setInfoMessage(String msg) {
        setMessage(msg, "#FFFF00", "#000000");
    }

    public void setErrorMessage(String msg) {
        setMessage(msg, "#EF2626", "#FFFFFF");
    }

    public void setSuccessMessage(String msg) {
        setMessage(msg, "#71C671", "#FFFFFF");
    }

    public void setMessage(String msg, String bkgColor, String txtColor) {

        label_.setText(msg);

        Style labelStyle = label_.getElement().getStyle();
        labelStyle.setFontSize(1.6, Style.Unit.EM);
        labelStyle.setBackgroundColor(bkgColor);
        labelStyle.setColor(txtColor);
        labelStyle.setPadding(5, Style.Unit.PX);
    }

    /**
     * Override this method if you need to specify the popup left position on load.
     * 
     * @return popup left position
     */
    protected int getPopupLeftPositionOnLoad() {
        int parentMiddle = RootPanel.get().getAbsoluteLeft() + RootPanel.get().getOffsetWidth() / 2;
        return parentMiddle - getOffsetWidth() / 2;
    }

    /**
     * Override this method if you need to specify the popup top position on load.
     * 
     * @return popup top position
     */
    protected int getPopupTopPositionOnLoad() {
        return 0;
    }
}