List of usage examples for com.google.gwt.user.client Random nextInt
public static native int nextInt(int upperBound) ;
int between 0 (inclusive) and upperBound (exclusive) with roughly equal probability of returning any particular int in this range. From source file:com.gwttest.client.Demo.java
License:Open Source License
private ChartData getScatterLineChartData() { ChartData cd = new ChartData("X Y Distribution", "font-size: 14px; font-family: Verdana; text-align: center;"); cd.setBackgroundColour("#ffffff"); ScatterChart scat = new ScatterChart(ScatterStyle.LINE); // FIXME does not work in flash scat.setTooltip("#x#,#y#"); for (int n = 0; n < 25; n++) { int x = n * 2 - 25; int y = Random.nextInt(30) - 15; scat.addPoint(x, y);//from w w w . jav a 2 s. c o m } XAxis xa = new XAxis(); xa.setRange(-25, 25, 5); cd.setXAxis(xa); YAxis ya = new YAxis(); ya.setRange(-25, 25, 5); cd.setYAxis(ya); cd.addElements(scat); return cd; }
From source file:com.gwttest.client.Demo.java
License:Open Source License
private ChartData getScatterPointChartData() { ChartData cd = new ChartData("X Y Distribution", "font-size: 14px; font-family: Verdana; text-align: center;"); cd.setBackgroundColour("#ffffff"); ScatterChart scat = new ScatterChart(); // Star star = new Star(); // star.setSize(10); // star.setColour("#FF9900"); // star.setTooltip("#x#,#y#"); // scat.setDotStyle(star); for (int n = 0; n < 20; n++) { int x = Random.nextInt(50) - 25; int y = Random.nextInt(50) - 25; Star star = new Star(); star.setSize(Random.nextInt(8) + 2); star.setColour(colours[Random.nextInt(8)]); star.setTooltip("#x#,#y#"); star.setXY(x, y);//from w w w .ja v a 2 s .com scat.addPoints(star); // scat.addPoint(x, y); } XAxis xa = new XAxis(); xa.setRange(-25, 25, 5); cd.setXAxis(xa); YAxis ya = new YAxis(); ya.setRange(-25, 25, 5); cd.setYAxis(ya); cd.addElements(scat); return cd; }
From source file:com.gwttest.client.Demo.java
License:Open Source License
private ChartData getSketchChartData() { ChartData cd2 = new ChartData("How many pies were eaten?", "font-size: 14px; font-family: Verdana; text-align: center;"); cd2.setBackgroundColour("#ffffff"); XAxis xa = new XAxis(); xa.setLabels("John", "Frank", "Mary", "Andy", "Mike", "James"); // xa.setMax(6); cd2.setXAxis(xa);/* www.ja v a 2 s. c o m*/ SketchBarChart sketch = new SketchBarChart("#00aa00", "#009900", 6); sketch.setTooltip("#val# pies"); sketch.addValues(Random.nextInt(6) + 1, Random.nextInt(5) + 1, Random.nextInt(3) + 1); SketchBarChart.SketchBar skb = new SketchBarChart.SketchBar(Random.nextInt(5) + 5); skb.setColour("#6666ff"); skb.setTooltip("Winner!<br>#val# pies"); sketch.addBars(skb); sketch.addValues(Random.nextInt(5) + 1, Random.nextInt(5) + 1); cd2.addElements(sketch); return cd2; }
From source file:com.jwh.gwt.fasttable.sample.client.SampleModel.java
License:Open Source License
/** * @param samples//from w w w .ja va 2 s .c o m * Options available * @return A random selection of one of the options */ private String randomSample(String[] samples) { return samples[Random.nextInt(samples.length - 1)]; }
From source file:com.msco.mil.client.com.sencha.gxt.explorer.client.grid.CellGridExample.java
License:sencha.com license
@Override public Widget asWidget() { // reduce the padding on text element as we have widgets in the cells SafeStyles textStyles = SafeStylesUtils.fromTrustedString("padding: 1px 3px;"); ColumnConfig<Plant, String> nameColumn = new ColumnConfig<Plant, String>(properties.name(), 100, "Name"); // IMPORTANT we want the text element (cell parent) to only be as wide as // the cell and not fill the cell nameColumn.setColumnTextClassName(CommonStyles.get().inlineBlock()); nameColumn.setColumnTextStyle(textStyles); TextButtonCell button = new TextButtonCell(); button.addSelectHandler(new SelectHandler() { @Override// w ww . j a v a2s . c om public void onSelect(SelectEvent event) { Context c = event.getContext(); int row = c.getIndex(); Plant p = store.get(row); Info.display("Event", "The " + p.getName() + " was clicked."); } }); nameColumn.setCell(button); DateCell dateCell = new DateCell(); dateCell.getDatePicker().addValueChangeHandler(new ValueChangeHandler<Date>() { @Override public void onValueChange(ValueChangeEvent<Date> event) { Info.display("Date Selected", "You selected " + DateTimeFormat.getFormat(PredefinedFormat.DATE_SHORT).format(event.getValue())); } }); dateCell.setPropertyEditor( new DateTimePropertyEditor(DateTimeFormat.getFormat(PredefinedFormat.DATE_SHORT))); ColumnConfig<Plant, Date> availableColumn = new ColumnConfig<Plant, Date>(properties.available(), 170, "Date"); availableColumn.setColumnTextStyle(SafeStylesUtils.fromTrustedString("padding: 2px 3px;")); availableColumn.setCell(dateCell); ListStore<String> lights = new ListStore<String>(new ModelKeyProvider<String>() { @Override public String getKey(String item) { return item; } }); lights.add("Mostly Shady"); lights.add("Mostly Sunny"); lights.add("Shade"); lights.add("Sunny"); lights.add("Sun or Shade"); ColumnConfig<Plant, String> lightColumn = new ColumnConfig<Plant, String>(properties.light(), 130, "Light"); lightColumn.setColumnTextStyle(SafeStylesUtils.fromTrustedString("padding: 2px 3px;")); ComboBoxCell<String> lightCombo = new ComboBoxCell<String>(lights, new LabelProvider<String>() { @Override public String getLabel(String item) { return item; } }); lightCombo.addSelectionHandler(new SelectionHandler<String>() { @Override public void onSelection(SelectionEvent<String> event) { CellSelectionEvent<String> sel = (CellSelectionEvent<String>) event; Plant p = store.get(sel.getContext().getIndex()); Info.display("Lightness Selected", p.getName() + " selected " + event.getSelectedItem()); } }); lightCombo.setTriggerAction(TriggerAction.ALL); lightCombo.setForceSelection(true); lightColumn.setCell(lightCombo); lightCombo.setWidth(110); ColumnConfig<Plant, String> colorColumn = new ColumnConfig<Plant, String>(properties.color(), 140, "Color"); colorColumn.setColumnTextStyle(SafeStylesUtils.fromTrustedString("padding: 2px 3px;")); // This next line only works with any appearance that extends from Base ColorPaletteBaseAppearance appearance = GWT.create(ColorPaletteAppearance.class); appearance.setColumnCount(6); ColorPaletteCell colorPalette = new ColorPaletteCell(appearance, COLORS, COLORS) { @Override public boolean handlesSelection() { return true; } }; colorPalette.addSelectionHandler(new SelectionHandler<String>() { @Override public void onSelection(SelectionEvent<String> event) { Info.display("Color Selected", "You selected " + event.getSelectedItem()); } }); colorColumn.setCell(colorPalette); ColumnConfig<Plant, Integer> difficultyColumn = new ColumnConfig<Plant, Integer>(properties.difficulty(), 150, "Durability"); SliderCell slider = new SliderCell() { @Override public boolean handlesSelection() { return true; } }; slider.setWidth(140); difficultyColumn.setCell(slider); final ColumnConfig<Plant, Double> progressColumn = new ColumnConfig<Plant, Double>(properties.progress(), 150, "Progress"); final ProgressBarCell progress = new ProgressBarCell() { @Override public boolean handlesSelection() { return true; } }; progress.setProgressText("{0}% Complete"); progress.setWidth(140); progressColumn.setCell(progress); List<ColumnConfig<Plant, ?>> l = new ArrayList<ColumnConfig<Plant, ?>>(); l.add(nameColumn); l.add(availableColumn); l.add(lightColumn); l.add(colorColumn); l.add(difficultyColumn); l.add(progressColumn); ColumnModel<Plant> cm = new ColumnModel<Plant>(l); store = new ListStore<Plant>(properties.key()); List<Plant> plants = new ArrayList<Plant>(TestData.getPlants()); for (Plant p : plants) { p.setColor(COLORS[Random.nextInt(4)]); } store.addAll(plants); final Grid<Plant> grid = new Grid<Plant>(store, cm); grid.setBorders(true); grid.getView().setAutoExpandColumn(nameColumn); grid.getView().setTrackMouseOver(false); grid.getColumnModel() .addColumnWidthChangeHandler(new CellColumnResizer<Plant, Double>(grid, progressColumn, progress)); FramedPanel cp = new FramedPanel(); cp.setHeadingText("Cell Grid Example"); cp.setWidget(grid); cp.setPixelSize(920, 410); cp.addStyleName("margin-10"); cp.setButtonAlign(BoxLayoutPack.CENTER); cp.addButton(new TextButton("Reset", new SelectHandler() { @Override public void onSelect(SelectEvent event) { store.rejectChanges(); } })); cp.addButton(new TextButton("Save", new SelectHandler() { @Override public void onSelect(SelectEvent event) { store.commitChanges(); } })); return cp; }
From source file:com.mycompany.client.MyApplication2.java
License:Apache License
/** * Deferred initialization method, called from {@link #onModuleLoad()}. *///from w ww . j av a 2 s. c o m private void onModuleLoad2() { // Create a boundary panel to constrain all drag operations AbsolutePanel boundaryPanel = new AbsolutePanel(); boundaryPanel.setPixelSize(400, 300); boundaryPanel.addStyleName("getting-started-blue"); // Create a drop target on which we can drop labels AbsolutePanel targetPanel = new AbsolutePanel(); targetPanel.setPixelSize(300, 200); targetPanel.addStyleName("getting-started-blue"); // Add both panels to the root panel RootPanel.get().add(boundaryPanel); boundaryPanel.add(targetPanel, 40, 40); // Create a DragController for each logical area where a set of draggable // widgets and drop targets will be allowed to interact with one another. PickupDragController dragController = new PickupDragController(boundaryPanel, true); // Positioner is always constrained to the boundary panel // Use 'true' to also constrain the draggable or drag proxy to the boundary panel dragController.setBehaviorConstrainedToBoundaryPanel(false); // Allow multiple widgets to be selected at once using CTRL-click dragController.setBehaviorMultipleSelection(true); // create a DropController for each drop target on which draggable widgets // can be dropped DropController dropController = new AbsolutePositionDropController(targetPanel); // Don't forget to register each DropController with a DragController dragController.registerDropController(dropController); // create a few randomly placed draggable labels for (int i = 1; i <= 5; i++) { // create a label and give it style Label label = new Label("Label #" + i, false); label.addStyleName("getting-started-label"); // add it to the DOM so that offset width/height becomes available targetPanel.add(label, 0, 0); // determine random label location within target panel int left = Random.nextInt(DOMUtil.getClientWidth(targetPanel.getElement()) - label.getOffsetWidth()); int top = Random.nextInt(DOMUtil.getClientHeight(targetPanel.getElement()) - label.getOffsetHeight()); // move the label targetPanel.setWidgetPosition(label, left, top); // make the label draggable dragController.makeDraggable(label); } }
From source file:com.philbeaudoin.quebec.client.utils.GwtRandomShuffler.java
License:Apache License
/** * A Fisher-Yates shuffle inspired from the Java source code, restricted to small ArrayList. * @param list The list to shuffle//from w w w . j a v a 2 s . c om * @param seed The seed to use. */ @Override public <T> void shuffle(ArrayList<T> list, long seed) { int size = list.size(); for (int i = size; i > 1; i--) { swap(list, i - 1, Random.nextInt(i)); } }
From source file:com.pronoiahealth.olhie.client.utils.Utils.java
License:Open Source License
/** * Gets a random integer * * @return */ public static String getRandom() { return "" + Random.nextInt(100000); }
From source file:com.qtitools.player.client.util.RandomizedSet.java
License:Open Source License
/** * return element from the set. element will be removed */// w ww . j av a 2 s .c o m public T pull() { if (elements.size() == 0) return null; int index = Random.nextInt(elements.size()); T item = elements.get(index); elements.remove(index); return item; }
From source file:com.risevision.viewer.client.controller.ViewerGadgetController.java
License:Open Source License
@SuppressWarnings("unused") private String addVersionNumber(String url) { int queryLocation = url.indexOf(".xml"); if (queryLocation != -1) { String versionString = "%3Fv%3D" + Random.nextInt(10000); queryLocation += ".xml".length(); if (queryLocation < url.length()) { url = url.substring(0, queryLocation) + versionString + url.substring(queryLocation, url.length()); } else {//w w w . j a v a2 s . c o m url = url + versionString; } } else { // TODO: handle cases where the Gadget is obtained through an API not a static .XML file. } return url; }