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Diffstat (limited to 'src/com/vaadin/tests/RandomLayoutStress.java')
| -rw-r--r-- | src/com/vaadin/tests/RandomLayoutStress.java | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/com/vaadin/tests/RandomLayoutStress.java b/src/com/vaadin/tests/RandomLayoutStress.java new file mode 100644 index 0000000000..7294ebf2a4 --- /dev/null +++ b/src/com/vaadin/tests/RandomLayoutStress.java @@ -0,0 +1,189 @@ +/* +@ITMillApache2LicenseForJavaFiles@ + */ + +package com.vaadin.tests; + +import java.util.Random; + +import com.vaadin.terminal.ExternalResource; +import com.vaadin.ui.AbstractComponent; +import com.vaadin.ui.Button; +import com.vaadin.ui.CustomLayout; +import com.vaadin.ui.DateField; +import com.vaadin.ui.GridLayout; +import com.vaadin.ui.Label; +import com.vaadin.ui.Layout; +import com.vaadin.ui.Link; +import com.vaadin.ui.OrderedLayout; +import com.vaadin.ui.Panel; +import com.vaadin.ui.Select; +import com.vaadin.ui.TabSheet; +import com.vaadin.ui.TextField; +import com.vaadin.ui.Window; + +/** + * This example demonstrates layouts. Layouts are populated with sample Toolkit + * UI components. + * + * @author IT Mill Ltd. + * + */ +public class RandomLayoutStress extends com.vaadin.Application { + + private final Random seededRandom = new Random(1); + + // FIXME increasing these settings brings out interesting client-side issues + // (DOM errors) + // TODO increasing values "even more" crashes Hosted Mode, pumping Xmx/Xms + // helps to some extent + private static final int componentCountA = 50; + private static final int componentCountB = 50; + private static final int componentCountC = 200; + private static final int componentCountD = 50; + + /** + * Initialize Application. Demo components are added to main window. + */ + @Override + public void init() { + final Window mainWindow = new Window("Layout demo"); + setMainWindow(mainWindow); + + // Create horizontal ordered layout + final Panel panelA = new Panel( + "Panel containing horizontal ordered layout"); + OrderedLayout layoutA = new OrderedLayout( + OrderedLayout.ORIENTATION_HORIZONTAL); + // Add 4 random components + fillLayout(layoutA, componentCountA); + // Add layout to panel + panelA.addComponent(layoutA); + + // Create vertical ordered layout + final Panel panelB = new Panel( + "Panel containing vertical ordered layout"); + OrderedLayout layoutB = new OrderedLayout( + OrderedLayout.ORIENTATION_VERTICAL); + // Add 4 random components + fillLayout(layoutB, componentCountB); + // Add layout to panel + panelB.addComponent(layoutB); + + // Create grid layout + final int gridSize = (int) java.lang.Math.sqrt(componentCountC); + final Panel panelG = new Panel("Panel containing grid layout (" + + gridSize + " x " + gridSize + ")"); + GridLayout layoutG = new GridLayout(gridSize, gridSize); + // Add 12 random components + fillLayout(layoutG, componentCountC); + // Add layout to panel + panelG.addComponent(layoutG); + + // Create TabSheet + final TabSheet tabsheet = new TabSheet(); + tabsheet + .setCaption("Tabsheet, above layouts are added to this component"); + layoutA = new OrderedLayout(OrderedLayout.ORIENTATION_HORIZONTAL); + // Add 4 random components + fillLayout(layoutA, componentCountA); + tabsheet.addTab(layoutA, "Horizontal ordered layout", null); + layoutB = new OrderedLayout(OrderedLayout.ORIENTATION_VERTICAL); + // Add 4 random components + fillLayout(layoutB, componentCountB); + tabsheet.addTab(layoutB, "Vertical ordered layout", null); + layoutG = new GridLayout(gridSize, gridSize); + // Add 12 random components + fillLayout(layoutG, componentCountC); + tabsheet.addTab(layoutG, "Grid layout (4 x 2)", null); + + // Create custom layout + final Panel panelC = new Panel("Custom layout with style exampleStyle"); + final CustomLayout layoutC = new CustomLayout("exampleStyle"); + // Add 4 random components + fillLayout(layoutC, componentCountD); + // Add layout to panel + panelC.addComponent(layoutC); + + // Add demo panels (layouts) to main window + mainWindow.addComponent(panelA); + mainWindow.addComponent(panelB); + mainWindow.addComponent(panelG); + mainWindow.addComponent(tabsheet); + mainWindow.addComponent(panelC); + } + + private AbstractComponent getRandomComponent(int caption) { + AbstractComponent result = null; + final int randint = seededRandom.nextInt(7); + switch (randint) { + case 0: + // Label + result = new Label(); + result.setCaption("Label component " + caption); + break; + case 1: + // Button + result = new Button(); + result.setCaption("Button component " + caption); + break; + case 2: + // TextField + result = new TextField(); + result.setCaption("TextField component " + caption); + break; + case 3: + // Select + result = new Select("Select " + caption); + result.setCaption("Select component " + caption); + ((Select) result).addItem("First item"); + ((Select) result).addItem("Second item"); + ((Select) result).addItem("Third item"); + break; + case 4: + // Link + result = new Link("", new ExternalResource("http://www.itmill.com")); + result.setCaption("Link component " + caption); + break; + case 5: + // Link + result = new Panel(); + result.setCaption("Panel component " + caption); + ((Panel) result) + .addComponent(new Label( + "Panel is a container for other components, by default it draws a frame around it's " + + "extremities and may have a caption to clarify the nature of the contained components' purpose." + + " Panel contains an layout where the actual contained components are added, " + + "this layout may be switched on the fly.")); + ((Panel) result).setWidth(250); + break; + case 6: + // Datefield + result = new DateField(); + ((DateField) result).setStyleName("calendar"); + ((DateField) result).setValue(new java.util.Date()); + result.setCaption("Calendar component " + caption); + break; + case 7: + // Datefield + result = new DateField(); + ((DateField) result).setValue(new java.util.Date()); + result.setCaption("Calendar component " + caption); + break; + } + + return result; + } + + /** + * Add demo components to given layout + * + * @param layout + */ + private void fillLayout(Layout layout, int numberOfComponents) { + for (int i = 0; i < numberOfComponents; i++) { + layout.addComponent(getRandomComponent(i)); + } + } + +} |