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Diffstat (limited to 'tests/src/com/vaadin/automatedtests/featurebrowser/GeneratedColumnExample.java')
-rw-r--r-- | tests/src/com/vaadin/automatedtests/featurebrowser/GeneratedColumnExample.java | 561 |
1 files changed, 0 insertions, 561 deletions
diff --git a/tests/src/com/vaadin/automatedtests/featurebrowser/GeneratedColumnExample.java b/tests/src/com/vaadin/automatedtests/featurebrowser/GeneratedColumnExample.java deleted file mode 100644 index 0988715286..0000000000 --- a/tests/src/com/vaadin/automatedtests/featurebrowser/GeneratedColumnExample.java +++ /dev/null @@ -1,561 +0,0 @@ -/* -@ITMillApache2LicenseForJavaFiles@ - */ - -package com.vaadin.automatedtests.featurebrowser; - -import java.util.Collection; -import java.util.Date; -import java.util.GregorianCalendar; -import java.util.Vector; - -import com.vaadin.data.Container; -import com.vaadin.data.Item; -import com.vaadin.data.Property; -import com.vaadin.data.Container.Indexed; -import com.vaadin.data.util.BeanItem; -import com.vaadin.ui.AbstractField; -import com.vaadin.ui.BaseFieldFactory; -import com.vaadin.ui.CheckBox; -import com.vaadin.ui.Component; -import com.vaadin.ui.CustomComponent; -import com.vaadin.ui.Field; -import com.vaadin.ui.Label; -import com.vaadin.ui.Table; -import com.vaadin.ui.VerticalLayout; -import com.vaadin.ui.Button.ClickEvent; -import com.vaadin.ui.Button.ClickListener; - -/** - * This example demonstrates the use of generated columns in a table. Generated - * columns can be used for formatting values or calculating them from other - * columns (or properties of the items). - * - * For the data model, we use POJOs bound to a custom Container with BeanItem - * items. - * - * @author magi - */ -@SuppressWarnings("serial") -public class GeneratedColumnExample extends CustomComponent { - - /** - * The business model: fill-up at a gas station. - */ - public class FillUp { - Date date; - double quantity; - double total; - - public FillUp() { - } - - public FillUp(int day, int month, int year, double quantity, - double total) { - date = new GregorianCalendar(year, month - 1, day).getTime(); - this.quantity = quantity; - this.total = total; - } - - /** Calculates price per unit of quantity (€/l). */ - public double price() { - if (quantity != 0.0) { - return total / quantity; - } else { - return 0.0; - } - } - - /** Calculates average daily consumption between two fill-ups. */ - public double dailyConsumption(FillUp other) { - double difference_ms = date.getTime() - other.date.getTime(); - double days = difference_ms / 1000 / 3600 / 24; - if (days < 0.5) { - days = 1.0; // Avoid division by zero if two fill-ups on the - // same day. - } - return quantity / days; - } - - /** Calculates average daily consumption between two fill-ups. */ - public double dailyCost(FillUp other) { - return price() * dailyConsumption(other); - } - - // Getters and setters - - public Date getDate() { - return date; - } - - public void setDate(Date date) { - this.date = date; - } - - public double getQuantity() { - return quantity; - } - - public void setQuantity(double quantity) { - this.quantity = quantity; - } - - public double getTotal() { - return total; - } - - public void setTotal(double total) { - this.total = total; - } - }; - - /** - * This is a custom container that allows adding BeanItems inside it. The - * BeanItem objects must be bound to an object. The item ID is an Integer - * from 0 to 99. - * - * Most of the interface methods are implemented with just dummy - * implementations, as they are not needed in this example. - */ - public class MySimpleIndexedContainer implements Container, Indexed { - - Vector<BeanItem> items; - Object itemtemplate; - - public MySimpleIndexedContainer(Object itemtemplate) { - this.itemtemplate = itemtemplate; - items = new Vector<BeanItem>(); // Yeah this is just a test - } - - public boolean addContainerProperty(Object propertyId, Class<?> type, - Object defaultValue) throws UnsupportedOperationException { - throw new UnsupportedOperationException(); - } - - public Item addItem(Object itemId) throws UnsupportedOperationException { - throw new UnsupportedOperationException(); - } - - public Object addItem() throws UnsupportedOperationException { - throw new UnsupportedOperationException(); - } - - /** - * This addItem method is specific for this container and allows adding - * BeanItem objects. The BeanItems must be bound to MyBean objects. - */ - public void addItem(BeanItem item) throws UnsupportedOperationException { - items.add(item); - } - - public boolean containsId(Object itemId) { - if (itemId instanceof Integer) { - int pos = ((Integer) itemId).intValue(); - if (pos >= 0 && pos < items.size()) { - return items.get(pos) != null; - } - } - return false; - } - - /** - * The Table will call this method to get the property objects for the - * columns. It uses the property objects to determine the data types of - * the columns. - */ - public Property getContainerProperty(Object itemId, Object propertyId) { - if (itemId instanceof Integer) { - int pos = ((Integer) itemId).intValue(); - if (pos >= 0 && pos < items.size()) { - Item item = items.get(pos); - - // The BeanItem provides the property objects for the items. - return item.getItemProperty(propertyId); - } - } - return null; - } - - /** Table calls this to get the column names. */ - public Collection getContainerPropertyIds() { - Item item = new BeanItem(itemtemplate); - - // The BeanItem knows how to get the property names from the bean. - return item.getItemPropertyIds(); - } - - public Item getItem(Object itemId) { - if (itemId instanceof Integer) { - int pos = ((Integer) itemId).intValue(); - if (pos >= 0 && pos < items.size()) { - return items.get(pos); - } - } - return null; - } - - public Collection getItemIds() { - Vector ids = new Vector(items.size()); - for (int i = 0; i < items.size(); i++) { - ids.add(Integer.valueOf(i)); - } - return ids; - } - - public Class getType(Object propertyId) { - return BeanItem.class; - } - - public boolean removeAllItems() throws UnsupportedOperationException { - throw new UnsupportedOperationException(); - } - - public boolean removeContainerProperty(Object propertyId) - throws UnsupportedOperationException { - throw new UnsupportedOperationException(); - } - - public boolean removeItem(Object itemId) - throws UnsupportedOperationException { - throw new UnsupportedOperationException(); - } - - public int size() { - return items.size(); - } - - public Object addItemAt(int index) throws UnsupportedOperationException { - // TODO Auto-generated method stub - return null; - } - - public Item addItemAt(int index, Object newItemId) - throws UnsupportedOperationException { - // TODO Auto-generated method stub - return null; - } - - public Object getIdByIndex(int index) { - return Integer.valueOf(index); - } - - public int indexOfId(Object itemId) { - return ((Integer) itemId).intValue(); - } - - public Object addItemAfter(Object previousItemId) - throws UnsupportedOperationException { - // TODO Auto-generated method stub - return null; - } - - public Item addItemAfter(Object previousItemId, Object newItemId) - throws UnsupportedOperationException { - // TODO Auto-generated method stub - return null; - } - - public Object firstItemId() { - return new Integer(0); - } - - public boolean isFirstId(Object itemId) { - return ((Integer) itemId).intValue() == 0; - } - - public boolean isLastId(Object itemId) { - return ((Integer) itemId).intValue() == (items.size() - 1); - } - - public Object lastItemId() { - return new Integer(items.size() - 1); - } - - public Object nextItemId(Object itemId) { - int pos = indexOfId(itemId); - if (pos >= items.size() - 1) { - return null; - } - return getIdByIndex(pos + 1); - } - - public Object prevItemId(Object itemId) { - int pos = indexOfId(itemId); - if (pos <= 0) { - return null; - } - return getIdByIndex(pos - 1); - } - } - - /** Formats the dates in a column containing Date objects. */ - class DateColumnGenerator implements Table.ColumnGenerator { - /** - * Generates the cell containing the Date value. The column is - * irrelevant in this use case. - */ - public Component generateCell(Table source, Object itemId, - Object columnId) { - Property prop = source.getItem(itemId).getItemProperty(columnId); - if (prop.getType().equals(Date.class)) { - Label label = new Label(String.format("%tF", - new Object[] { (Date) prop.getValue() })); - label.addStyleName("column-type-date"); - return label; - } - - return null; - } - } - - /** Formats the value in a column containing Double objects. */ - class ValueColumnGenerator implements Table.ColumnGenerator { - String format; /* Format string for the Double values. */ - - /** Creates double value column formatter with the given format string. */ - public ValueColumnGenerator(String format) { - this.format = format; - } - - /** - * Generates the cell containing the Double value. The column is - * irrelevant in this use case. - */ - public Component generateCell(Table source, Object itemId, - Object columnId) { - Property prop = source.getItem(itemId).getItemProperty(columnId); - if (prop.getType().equals(Double.class)) { - Label label = new Label(String.format(format, - new Object[] { (Double) prop.getValue() })); - - // Set styles for the column: one indicating that it's a value - // and a more - // specific one with the column name in it. This assumes that - // the column - // name is proper for CSS. - label.addStyleName("column-type-value"); - label.addStyleName("column-" + (String) columnId); - return label; - } - return null; - } - } - - /** Table column generator for calculating price column. */ - class PriceColumnGenerator implements Table.ColumnGenerator { - public Component generateCell(Table source, Object itemId, - Object columnId) { - // Retrieve the item. - BeanItem item = (BeanItem) source.getItem(itemId); - - // Retrieves the underlying POJO from the item. - FillUp fillup = (FillUp) item.getBean(); - - // Do the business logic - double price = fillup.price(); - - // Create the generated component for displaying the calcucated - // value. - Label label = new Label(String.format("%1.2f €", - new Object[] { new Double(price) })); - - // We set the style here. You can't use a CellStyleGenerator for - // generated columns. - label.addStyleName("column-price"); - return label; - } - } - - /** Table column generator for calculating consumption column. */ - class ConsumptionColumnGenerator implements Table.ColumnGenerator { - - /** - * Generates a cell containing value calculated from the item. - */ - public Component generateCell(Table source, Object itemId, - Object columnId) { - Indexed indexedSource = (Indexed) source.getContainerDataSource(); - - // Can not calculate consumption for the first item. - if (indexedSource.isFirstId(itemId)) { - Label label = new Label("N/A"); - label.addStyleName("column-consumption"); - return label; - } - - // Index of the previous item. - Object prevItemId = indexedSource.prevItemId(itemId); - - // Retrieve the POJOs. - FillUp fillup = (FillUp) ((BeanItem) indexedSource.getItem(itemId)) - .getBean(); - FillUp prev = (FillUp) ((BeanItem) source.getItem(prevItemId)) - .getBean(); - - // Do the business logic - return generateCell(fillup, prev); - } - - public Component generateCell(FillUp fillup, FillUp prev) { - double consumption = fillup.dailyConsumption(prev); - - // Generate the component for displaying the calculated value. - Label label = new Label(String.format("%3.2f l", - new Object[] { new Double(consumption) })); - - // We set the style here. You can't use a CellStyleGenerator for - // generated columns. - label.addStyleName("column-consumption"); - return label; - } - } - - /** Table column generator for calculating daily cost column. */ - class DailyCostColumnGenerator extends ConsumptionColumnGenerator { - - @Override - public Component generateCell(FillUp fillup, FillUp prev) { - double dailycost = fillup.dailyCost(prev); - - // Generate the component for displaying the calculated value. - Label label = new Label(String.format("%3.2f €", - new Object[] { new Double(dailycost) })); - - // We set the style here. You can't use a CellStyleGenerator for - // generated columns. - label.addStyleName("column-dailycost"); - return label; - } - } - - /** - * Custom field factory that sets the fields as immediate. - */ - public class ImmediateFieldFactory extends BaseFieldFactory { - @Override - public Field createField(Class type, Component uiContext) { - // Let the BaseFieldFactory create the fields - Field field = super.createField(type, uiContext); - - // ...and just set them as immediate - ((AbstractField) field).setImmediate(true); - - return field; - } - } - - public GeneratedColumnExample() { - final Table table = new Table(); - - // Define table columns. These include also the column for the generated - // column, because we want to set the column label to something - // different than the property ID. - table - .addContainerProperty("date", Date.class, null, "Date", null, - null); - table.addContainerProperty("quantity", Double.class, null, - "Quantity (l)", null, null); - table.addContainerProperty("price", Double.class, null, - "Price (€/l)", null, null); - table.addContainerProperty("total", Double.class, null, "Total (€)", - null, null); - table.addContainerProperty("consumption", Double.class, null, - "Consumption (l/day)", null, null); - table.addContainerProperty("dailycost", Double.class, null, - "Daily Cost (€/day)", null, null); - - // Define the generated columns and their generators. - table.addGeneratedColumn("date", new DateColumnGenerator()); - table - .addGeneratedColumn("quantity", new ValueColumnGenerator( - "%.2f l")); - table.addGeneratedColumn("price", new PriceColumnGenerator()); - table.addGeneratedColumn("total", new ValueColumnGenerator("%.2f €")); - table.addGeneratedColumn("consumption", - new ConsumptionColumnGenerator()); - table.addGeneratedColumn("dailycost", new DailyCostColumnGenerator()); - - // Create a data source and bind it to the table. - MySimpleIndexedContainer data = new MySimpleIndexedContainer( - new FillUp()); - table.setContainerDataSource(data); - - // Generated columns are automatically placed after property columns, so - // we have to set the order of the columns explicitly. - table.setVisibleColumns(new Object[] { "date", "quantity", "price", - "total", "consumption", "dailycost" }); - - // Add some data. - data.addItem(new BeanItem(new FillUp(19, 2, 2005, 44.96, 51.21))); - data.addItem(new BeanItem(new FillUp(30, 3, 2005, 44.91, 53.67))); - data.addItem(new BeanItem(new FillUp(20, 4, 2005, 42.96, 49.06))); - data.addItem(new BeanItem(new FillUp(23, 5, 2005, 47.37, 55.28))); - data.addItem(new BeanItem(new FillUp(6, 6, 2005, 35.34, 41.52))); - data.addItem(new BeanItem(new FillUp(30, 6, 2005, 16.07, 20.00))); - data.addItem(new BeanItem(new FillUp(2, 7, 2005, 36.40, 36.19))); - data.addItem(new BeanItem(new FillUp(6, 7, 2005, 39.17, 50.90))); - data.addItem(new BeanItem(new FillUp(27, 7, 2005, 43.43, 53.03))); - data.addItem(new BeanItem(new FillUp(17, 8, 2005, 20, 29.18))); - data.addItem(new BeanItem(new FillUp(30, 8, 2005, 46.06, 59.09))); - data.addItem(new BeanItem(new FillUp(22, 9, 2005, 46.11, 60.36))); - data.addItem(new BeanItem(new FillUp(14, 10, 2005, 41.51, 50.19))); - data.addItem(new BeanItem(new FillUp(12, 11, 2005, 35.24, 40.00))); - data.addItem(new BeanItem(new FillUp(28, 11, 2005, 45.26, 53.27))); - - // Have a check box that allows the user to make the quantity - // and total columns editable. - final CheckBox editable = new CheckBox( - "Edit the input values - calculated columns are regenerated"); - editable.setImmediate(true); - editable.addListener(new ClickListener() { - public void buttonClick(ClickEvent event) { - table.setEditable(editable.booleanValue()); - - // The columns may not be generated when we want to have them - // editable. - if (editable.booleanValue()) { - table.removeGeneratedColumn("quantity"); - table.removeGeneratedColumn("total"); - } else { - // In non-editable mode we want to show the formatted - // values. - table.addGeneratedColumn("quantity", - new ValueColumnGenerator("%.2f l")); - table.addGeneratedColumn("total", new ValueColumnGenerator( - "%.2f €")); - } - // The visible columns are affected by removal and addition of - // generated columns so we have to redefine them. - table.setVisibleColumns(new Object[] { "date", "quantity", - "price", "total", "consumption", "dailycost" }); - } - }); - - // Use a custom field factory to set the edit fields as immediate. - // This is used when the table is in editable mode. - table.setFieldFactory(new ImmediateFieldFactory()); - - // Setting the table itself as immediate has no relevance in this - // example, - // because it is relevant only if the table is selectable and we want to - // get the selection changes immediately. - table.setImmediate(true); - - table.setHeight("300px"); - - VerticalLayout layout = new VerticalLayout(); - layout.setMargin(true); - layout - .addComponent(new Label( - "Table with column generators that format and calculate cell values.")); - layout.addComponent(table); - layout.addComponent(editable); - layout.addComponent(new Label( - "Columns displayed in blue are calculated from Quantity and Total. " - + "Others are simply formatted.")); - layout.setExpandRatio(table, 1); - layout.setSizeUndefined(); - setCompositionRoot(layout); - // setSizeFull(); - } -} |