Example usage for com.google.gwt.user.client Random nextDouble

Introduction

In this page you can find the example usage for com.google.gwt.user.client Random nextDouble.

Prototype

public static native double nextDouble() ;

Source Link

Document

Returns a random double between 0 (inclusive) and 1 (exclusive).

Usage

From source file:org.geomajas.gwt2.example.client.sample.rendering.CanvasRenderingPanel.java

License:Open Source License

@UiHandler("rectBtn")
public void onRectangleBtnClicked(ClickEvent event) {
    if (container != null) {
        container.clear();//  w  w w.jav  a2  s . co m
        List<CanvasShape> shapes = new ArrayList<CanvasShape>();
        double factor = Math.pow(count, -0.5);
        for (int i = 0; i < count; i++) {
            double x = (Random.nextDouble() - 0.5) * (TOTAL_SIZE - SHAPE_SIZE * factor);
            double y = (Random.nextDouble() - 0.5) * (TOTAL_SIZE - SHAPE_SIZE * factor);
            double width = Random.nextDouble() * SHAPE_SIZE * factor;
            double height = Random.nextDouble() * SHAPE_SIZE * factor;
            CanvasRect rect = new CanvasRect(new Bbox(x - width / 2, y - height / 2, width, height));
            rect.setFillStyle(getRandomRGB(0.5));
            rect.setStrokeStyle(getRandomRGB(1));
            shapes.add(rect);
        }
        container.addAll(shapes);
        container.repaint();
    }
}

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From source file:org.geomajas.gwt2.example.client.sample.rendering.HtmlMarkerPanel.java

License:Open Source License

@UiHandler("markersBtn")
public void onMarkersBtnClicked(ClickEvent event) {
    for (int i = 0; i < 20; i++) {
        double userX = Random.nextDouble() * 40000000 - 20000000;
        double userY = Random.nextDouble() * 40000000 - 20000000;
        Marker1 marker1 = new Marker1(resources.marker1(), userX, userY, 16, 32);
        container.add(marker1);//  w ww  . j  a  va2  s  . c om
    }
}

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From source file:org.gwtcmis.service.object.ObjectService.java

License:Open Source License

/**
 * Gets the content stream for the specified Document object, 
 * or gets a rendition stream for a specified rendition of a document or folder object.
 * //from  w  w  w.j  a v a 2s.co m
 * On success response received, {@link ContentStreamReceivedEvent}  event is fired.
 * 
 * @param url url
 * @param streamId streamId
 */
public void getContentStream(String url, String streamId) {
    CmisContentStreamType contentStream = new CmisContentStreamType();
    ContentStreamReceivedEvent event = new ContentStreamReceivedEvent(contentStream);
    ExceptionThrownEvent errorEvent = new ExceptionThrownEvent("Content stream is not recieved.");
    ContentStreamUnmarshaller unmarshaller = new ContentStreamUnmarshaller(contentStream);
    AsyncRequestCallback callback = new AsyncRequestCallback(eventBus, unmarshaller, event, errorEvent);
    AsyncRequest.build(RequestBuilder.GET, url + "?nocache=" + String.valueOf(Random.nextDouble()))
            .send(callback);
}

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From source file:org.objectfabric.GWTPlatform.java

License:Apache License

@Override
double randomDouble() {
    return Random.nextDouble();
}

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From source file:org.rhq.coregui.client.admin.storage.StorageNodeLoadComponent.java

License:Open Source License

public StorageNodeLoadComponent(final int storageNodeId,
        Map<String, List<MeasurementDataNumericHighLowComposite>> sparkLineData) {
    super(5);/* ww w. ja va2 s  .com*/
    setPadding(5);
    this.sparkLineData = sparkLineData;
    final boolean showSparkLine = sparkLineData != null && !sparkLineData.isEmpty();
    loadGrid = new ListGrid() {
        @Override
        protected String getCellCSSText(ListGridRecord record, int rowNum, int colNum) {
            if ("avg".equals(getFieldName(colNum))
                    && (StorageNodeLoadCompositeDatasource.KEY_HEAP_PERCENTAGE.equals(record.getAttribute("id"))
                            || StorageNodeLoadCompositeDatasource.KEY_DATA_DISK_SPACE_PERCENTAGE
                                    .equals(record.getAttribute("id"))
                            || StorageNodeLoadCompositeDatasource.KEY_TOTAL_DISK_SPACE_PERCENTAGE
                                    .equals(record.getAttribute("id")))) {
                if (record.getAttributeAsFloat("avgFloat") > .85) {
                    return DONT_MISS_ME_CLASS;
                } else if (record.getAttributeAsFloat("avgFloat") > .7) {
                    return WARN_CLASS;
                } else {
                    return OK_CLASS;
                }
            } else if ("max".equals(getFieldName(colNum))
                    && StorageNodeLoadCompositeDatasource.KEY_FREE_DISK_TO_DATA_SIZE_RATIO
                            .equals(record.getAttribute("id"))) {
                if (record.getAttributeAsFloat("avgFloat") < .7) {
                    return DONT_MISS_ME_CLASS;
                } else if (record.getAttributeAsFloat("avgFloat") < 1.5) {
                    return WARN_CLASS;
                } else {
                    return OK_CLASS;
                }
            } else {
                return super.getCellCSSText(record, rowNum, colNum);
            }
        }
    };
    loadGrid.setID(
            EnhancedUtility.getSafeId(this.getClass().getName() + storageNodeId + "_" + Random.nextDouble()));
    loadGrid.setWidth100();
    loadGrid.setHeight(200);
    loadGrid.setAutoFitData(Autofit.VERTICAL);
    StorageNodeLoadCompositeDatasource datasource = StorageNodeLoadCompositeDatasource
            .getInstance(storageNodeId);
    List<ListGridField> fields = datasource.getListGridFields();
    if (showSparkLine) {
        fields.add(0, new ListGridField("sparkline", MSG.view_adminTopology_storageNodes_detail_chart(), 75));
    }
    loadGrid.setFields(fields.toArray(new ListGridField[fields.size()]));
    loadGrid.setHoverWidth(300);
    loadGrid.setDataSource(datasource);
    loadGrid.setAutoFetchData(true);
    //        loadGrid.fetchData();
    if (showSparkLine) {
        loadGrid.addDataArrivedHandler(new DataArrivedHandler() {
            @Override
            public void onDataArrived(DataArrivedEvent event) {
                showSparkLineGraphs();
                loadGrid.redraw();
            }
        });
    }
    addMember(loadGrid);

}

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From source file:org.tiwonk.util.client.api.GwtRandomGenerator.java

License:Apache License

@Override
public double nextDouble() {
    return Random.nextDouble();
}

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From source file:org.vectomatic.svg.chess.JSONBook.java

License:Open Source License

/**
 * Gets a random move from the book taking care of weights 
 * @param fen//from   w  w  w  .j  av  a2s  .  c  om
 * @return
 */
public int getMove(Board board) {
    generateMoves(board);
    long randomWeight = (new Double(Random.nextDouble() * totalWeight)).longValue();
    for (int i = 0; i < moves.size(); i++) {
        randomWeight -= weights.get(i);
        if (randomWeight <= 0)
            return moves.get(i);
    }
    return 0;
}

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