Database schema and prepare jasper report

.gitignore

@@ -12,3 +12,5 @@ buildNumber.properties
 frontend/
 
 node_modules/
+
+data/

.project

@@ -11,12 +11,12 @@
 			</arguments>
 		</buildCommand>
 		<buildCommand>
-			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<name>org.springframework.ide.eclipse.boot.validation.springbootbuilder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>
 		<buildCommand>
-			<name>org.springframework.ide.eclipse.boot.validation.springbootbuilder</name>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>

pom.xml

@@ -1,6 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <!-- Project from https://start.vaadin.com/project/21111318-49ac-485b-92f4-892e176b446f -->
     <groupId>de.kreth.invoice</groupId>
@@ -163,6 +161,23 @@
             <version>5.0.3</version>
             <scope>test</scope>
         </dependency>
+		<dependency>
+		    <groupId>net.sf.jasperreports</groupId>
+		    <artifactId>jasperreports</artifactId>
+		    <version>6.19.1</version>
+		</dependency>
+<!-- 		<dependency>
+		    <groupId>com.itextpdf</groupId>
+		    <artifactId>itextpdf</artifactId>
+		    <version>5.5.13.3</version>
+		</dependency>
+-->
+		<dependency>
+		    <groupId>com.lowagie</groupId>
+		    <artifactId>itext</artifactId>
+		    <version>2.1.7</version>
+		</dependency>
+
     </dependencies>
 
     <build>

src/main/java/de/kreth/invoice/data/BaseEntity.java

@@ -5,22 +5,26 @@ import java.time.LocalDateTime;
 
 import javax.persistence.Column;
 import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.MappedSuperclass;
 import javax.persistence.PrePersist;
 
+import org.hibernate.annotations.CreationTimestamp;
+import org.hibernate.annotations.UpdateTimestamp;
+
 @MappedSuperclass
 public class BaseEntity implements Serializable {
 
     private static final long serialVersionUID = 6953593432069408729L;
 
     @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @GeneratedValue
     private int id;
     @Column(name = "created")
+    @CreationTimestamp
     private LocalDateTime createdDate;
     @Column(name = "updated")
+    @UpdateTimestamp
     private LocalDateTime changeDate;
 
     public int getId() {
@@ -70,20 +74,26 @@ public class BaseEntity implements Serializable {
 
     @Override
     public boolean equals(Object obj) {
-	if (this == obj)
+	if (this == obj) {
 	    return true;
-	if (obj == null)
+	}
+	if (obj == null) {
 	    return false;
-	if (getClass() != obj.getClass())
+	}
+	if (getClass() != obj.getClass()) {
 	    return false;
+	}
 	BaseEntity other = (BaseEntity) obj;
 	if (createdDate == null) {
-	    if (other.createdDate != null)
+	    if (other.createdDate != null) {
 		return false;
-	} else if (!createdDate.equals(other.createdDate))
+	    }
+	} else if (!createdDate.equals(other.createdDate)) {
 	    return false;
-	if (id != other.id)
+	}
+	if (id != other.id) {
 	    return false;
+	}
 	return true;
     }
 

src/main/java/de/kreth/invoice/data/Invoice.java

@@ -6,8 +6,11 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 
+import javax.persistence.CascadeType;
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
 import javax.persistence.OneToMany;
 import javax.persistence.Table;
 
@@ -21,11 +24,13 @@ public class Invoice extends BaseEntity {
     private String invoiceId;
     private LocalDateTime invoiceDate;
 
+    private String signImagePath;
+
     @OneToMany(mappedBy = "invoice")
     private List<InvoiceItem> items;
 
-//    @ManyToOne(cascade = CascadeType.REFRESH)
+    @ManyToOne(cascade = CascadeType.REFRESH)
-//    @JoinColumn(name = "user_id", nullable = false, updatable = false)
+    @JoinColumn(name = "user_id", nullable = false, updatable = false)
     private User user;
 
     public String getInvoiceId() {
@@ -68,6 +73,10 @@ public class Invoice extends BaseEntity {
 		BigDecimal::add);
     }
 
+    public String getSignImagePath() {
+	return signImagePath;
+    }
+
     @Override
     public String toString() {
 	return "Invoice [invoiceId=" + invoiceId + ", itemscount="

src/main/java/de/kreth/invoice/data/InvoiceItem.java

@@ -21,6 +21,8 @@ public class InvoiceItem extends BaseEntity {
     private LocalDateTime end;
     @Column(nullable = true, length = 15)
     private String participants;
+    @Column(nullable = true, length = 255)
+    private String description;
 
     @ManyToOne(optional = false)
     @JoinColumn(name = "article_id", nullable = false, updatable = false)
@@ -33,6 +35,8 @@ public class InvoiceItem extends BaseEntity {
     @Column(name = "sum_price")
     private BigDecimal sumPrice;
 
+    private BigDecimal pricePerHour;
+
     public String getTitle() {
 	return getArticle().getTitle();
     }
@@ -101,6 +105,14 @@ public class InvoiceItem extends BaseEntity {
 	return start.until(end, ChronoUnit.MINUTES);
     }
 
+    public String getDescription() {
+	return description;
+    }
+
+    public BigDecimal getPricePerHour() {
+	return pricePerHour;
+    }
+
     @Override
     public String toString() {
 	return "InvoiceItem [id=" + getId() + ", start=" + start + ", end="
@@ -119,28 +131,37 @@ public class InvoiceItem extends BaseEntity {
 
     @Override
     public boolean equals(Object obj) {
-	if (this == obj)
+	if (this == obj) {
 	    return true;
-	if (obj == null)
+	}
+	if (obj == null) {
 	    return false;
-	if (getClass() != obj.getClass())
+	}
+	if (getClass() != obj.getClass()) {
 	    return false;
+	}
 	InvoiceItem other = (InvoiceItem) obj;
 	if (article == null) {
-	    if (other.article != null)
+	    if (other.article != null) {
 		return false;
-	} else if (!article.equals(other.article))
+	    }
+	} else if (!article.equals(other.article)) {
 	    return false;
+	}
 	if (end == null) {
-	    if (other.end != null)
+	    if (other.end != null) {
 		return false;
-	} else if (!end.equals(other.end))
+	    }
+	} else if (!end.equals(other.end)) {
 	    return false;
+	}
 	if (start == null) {
-	    if (other.start != null)
+	    if (other.start != null) {
 		return false;
-	} else if (!start.equals(other.start))
+	    }
+	} else if (!start.equals(other.start)) {
 	    return false;
+	}
 	return true;
     }
 

src/main/java/de/kreth/invoice/data/User.java

@@ -2,10 +2,13 @@ package de.kreth.invoice.data;
 
 import java.util.Objects;
 
+import javax.persistence.CascadeType;
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.Inheritance;
 import javax.persistence.InheritanceType;
+import javax.persistence.OneToOne;
 import javax.persistence.Table;
 
 import org.keycloak.representations.AccessToken;
@@ -21,6 +24,12 @@ public class User extends BaseEntity {
     private String familyName;
     private String email;
 
+    @OneToOne(fetch = FetchType.LAZY, mappedBy = "user", cascade = CascadeType.ALL)
+    private UserBank bank;
+
+    @OneToOne(fetch = FetchType.LAZY, mappedBy = "user", cascade = CascadeType.ALL)
+    private UserAdress adress;
+
     @Column(name = "PRINCIPAL_ID", nullable = false, length = 40, updatable = false, insertable = true, unique = true)
     public String getPrincipalId() {
 	return principalId;
@@ -55,4 +64,11 @@ public class User extends BaseEntity {
 	return email;
     }
 
+    public UserBank getBank() {
+	return bank;
+    }
+
+    public UserAdress getAdress() {
+	return adress;
+    }
 }

src/main/java/de/kreth/invoice/report/InvoiceReportSource.java

@@ -0,0 +1,229 @@
+package de.kreth.invoice.report;
+
+import java.math.BigDecimal;
+import java.nio.file.Path;
+import java.time.LocalDateTime;
+import java.util.Iterator;
+import java.util.List;
+
+import de.kreth.invoice.data.Invoice;
+import de.kreth.invoice.data.InvoiceItem;
+import net.sf.jasperreports.engine.JRDataSource;
+import net.sf.jasperreports.engine.JRDataSourceProvider;
+import net.sf.jasperreports.engine.JRException;
+import net.sf.jasperreports.engine.JRField;
+import net.sf.jasperreports.engine.JasperReport;
+import net.sf.jasperreports.engine.base.JRBaseField;
+
+public class InvoiceReportSource implements JRDataSource, JRDataSourceProvider {
+
+    public static final String FIELD_INVOICE_NO = "INVOICE_NO";
+
+    public static final String FIELD_INVOICE_DATE = "INVOICE_DATE";
+
+    public static final String FIELD_INVOICE_SUM = "INVOICE_SUM";
+
+    public static final String FIELD_USER_PRENAME = "USER_PRENAME";
+
+    public static final String FIELD_USER_SURNAME = "USER_SURNAME";
+
+    public static final String FIELD_USER_ADRESS1 = "USER_ADRESS1";
+
+    public static final String FIELD_USER_ADRESS2 = "USER_ADRESS2";
+
+    public static final String FIELD_USER_ZIP = "USER_ZIPCODE";
+
+    public static final String FIELD_USER_CITY = "USER_CITY";
+
+    public static final String FIELD_BANK_NAME = "BANK_NAME";
+
+    public static final String FIELD_BANK_IBAN = "BANK_IBAN";
+
+    public static final String FIELD_BANK_BIC = "BANK_BIC";
+
+    public static final String FIELD_SIGNATURE_PATH = "FIELD_SIGNATURE_PATH";
+
+    public static final String FIELD_ARTICLE_TITLE = "ARTICLE_TITLE";
+
+    public static final String FIELD_ARTICLE_DESCRIPTION = "ARTICLE_DESCRIPTION";
+
+    public static final String FIELD_ARTICLE_PRICE_PER_HOUR = "ARTICLE_PRICE_PER_HOUR";
+
+    public static final String FIELD_ITEM_START = "ITEM_START";
+
+    public static final String FIELD_ITEM_END = "ITEM_END";
+
+    public static final String FIELD_ITEM_PARTICIPANTS = "FIELD_ITEM_PARTICIPANTS";
+
+    public static final String FIELD_ITEM_DURATION_MINUTES = "ITEM_DURATION_MINUTES";
+
+    public static final String FIELD_ITEM_SUM = "ITEM_SUM";
+
+    private Invoice invoice;
+
+    private Iterator<InvoiceItem> itemIterator;
+
+    private InvoiceItem currentItem;
+
+    public InvoiceReportSource() {
+    }
+
+    public void setInvoice(Invoice invoice) {
+	this.invoice = invoice;
+	List<InvoiceItem> items = invoice.getItems();
+	items.sort(this::compare);
+	itemIterator = items.iterator();
+    }
+
+    private int compare(InvoiceItem i1, InvoiceItem i2) {
+	return i1.getStart().compareTo(i2.getStart());
+    }
+
+    @Override
+    public boolean next() throws JRException {
+	if (itemIterator.hasNext() == false) {
+	    currentItem = null;
+	    return false;
+	}
+	currentItem = itemIterator.next();
+	return true;
+    }
+
+    @Override
+    public Object getFieldValue(JRField jrField) throws JRException {
+	switch (jrField.getName()) {
+	case FIELD_INVOICE_NO:
+	    return invoice.getInvoiceId();
+	case FIELD_INVOICE_DATE:
+	    return invoice.getInvoiceDate();
+	case FIELD_INVOICE_SUM:
+	    return invoice.getSum();
+	case FIELD_USER_PRENAME:
+	    return invoice.getUser().getGivenName();
+	case FIELD_USER_SURNAME:
+	    return invoice.getUser().getFamilyName();
+
+	case FIELD_BANK_NAME:
+	    return invoice.getUser().getBank().getBankName();
+	case FIELD_BANK_IBAN:
+	    return invoice.getUser().getBank().getIban();
+	case FIELD_BANK_BIC:
+	    return invoice.getUser().getBank().getBic();
+	case FIELD_USER_ADRESS1:
+	    return invoice.getUser().getAdress().getAdress1();
+	case FIELD_USER_ADRESS2:
+	    return invoice.getUser().getAdress().getAdress2();
+	case FIELD_USER_ZIP:
+	    return invoice.getUser().getAdress().getZip();
+	case FIELD_USER_CITY:
+	    return invoice.getUser().getAdress().getCity();
+
+	case FIELD_SIGNATURE_PATH:
+	    return invoice.getSignImagePath();
+	default:
+	    break;
+	}
+
+	if (currentItem != null) {
+
+	    switch (jrField.getName()) {
+	    case FIELD_ARTICLE_TITLE:
+		return currentItem.getTitle();
+	    case FIELD_ARTICLE_DESCRIPTION:
+		return currentItem.getDescription();
+	    case FIELD_ARTICLE_PRICE_PER_HOUR:
+		return currentItem.getPricePerHour();
+	    case FIELD_ITEM_START:
+		return currentItem.getStart();
+	    case FIELD_ITEM_END:
+		return currentItem.getEnd();
+	    case FIELD_ITEM_DURATION_MINUTES:
+		return currentItem.getDurationInMinutes();
+	    case FIELD_ITEM_SUM:
+		return currentItem.getSumPrice();
+	    case FIELD_ITEM_PARTICIPANTS:
+		return currentItem.getParticipants();
+
+	    default:
+		break;
+	    }
+	}
+
+	return null;
+    }
+
+    public static JRDataSource getDataSource() {
+	return new InvoiceReportSource();
+    }
+
+    @Override
+    public boolean supportsGetFieldsOperation() {
+	return true;
+    }
+
+    @Override
+    public JRField[] getFields(JasperReport report)
+	    throws JRException, UnsupportedOperationException {
+	JRField[] fields = {
+		new InternalField(FIELD_INVOICE_NO, "Invoice No", String.class),
+		new InternalField(FIELD_INVOICE_DATE, "Invoice date",
+			LocalDateTime.class),
+		new InternalField(FIELD_INVOICE_SUM, "Invoice sum",
+			BigDecimal.class),
+		new InternalField(FIELD_USER_PRENAME, "User Prename",
+			String.class),
+		new InternalField(FIELD_USER_SURNAME, "User Surname",
+			String.class),
+
+		new InternalField(FIELD_USER_ADRESS1, "User Adress1",
+			String.class),
+		new InternalField(FIELD_USER_ADRESS2, "User Âdress2",
+			String.class),
+		new InternalField(FIELD_USER_ZIP, "User Zipcode", String.class),
+		new InternalField(FIELD_USER_CITY, "User City", String.class),
+
+		new InternalField(FIELD_BANK_NAME, "Bank Name", String.class),
+		new InternalField(FIELD_BANK_IBAN, "Bank IBAN", String.class),
+		new InternalField(FIELD_BANK_BIC, "Bank Bic", String.class),
+
+		new InternalField(FIELD_ARTICLE_TITLE, "Article Title",
+			String.class),
+		new InternalField(FIELD_ARTICLE_DESCRIPTION,
+			"Article Description", String.class),
+		new InternalField(FIELD_ARTICLE_PRICE_PER_HOUR,
+			"Article Price per Hour", BigDecimal.class),
+		new InternalField(FIELD_ITEM_START, "Item Start",
+			LocalDateTime.class),
+		new InternalField(FIELD_ITEM_END, "Item End",
+			LocalDateTime.class),
+		new InternalField(FIELD_ITEM_DURATION_MINUTES,
+			"Item Duration in Minutes", Long.class),
+		new InternalField(FIELD_ITEM_PARTICIPANTS, "Item Participants",
+			String.class),
+		new InternalField(FIELD_ITEM_SUM, "Item Sum",
+			BigDecimal.class),
+		new InternalField(FIELD_SIGNATURE_PATH, "Signature Image Path",
+			Path.class) };
+	return fields;
+    }
+
+    @Override
+    public JRDataSource create(JasperReport report) throws JRException {
+	return this;
+    }
+
+    @Override
+    public void dispose(JRDataSource dataSource) throws JRException {
+    }
+
+    static class InternalField extends JRBaseField {
+	private static final long serialVersionUID = -495777796541981790L;
+
+	InternalField(String name, String desc, Class<?> clazz) {
+	    this.name = name;
+	    this.description = desc;
+	    this.valueClass = clazz;
+	    this.valueClassName = clazz.getName();
+	}
+    }
+}

src/main/java/de/kreth/invoice/report/Signature.java

@@ -0,0 +1,59 @@
+package de.kreth.invoice.report;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Objects;
+
+import org.apache.commons.io.FilenameUtils;
+
+import de.kreth.invoice.data.User;
+
+public class Signature {
+
+    private final User user;
+
+    public Signature(User user) {
+	super();
+	this.user = Objects.requireNonNull(user);
+    }
+
+    public OutputStream createOutputStream(String fileName) throws IOException {
+	File dir = new File("images");
+	dir.mkdirs();
+	return new FileOutputStream(new File(dir, user.getId() + "." + FilenameUtils.getExtension(fileName)));
+    }
+
+    public boolean isSignatureImageExists() {
+	File[] listFiles = new File("images").listFiles(new FileFilter() {
+
+	    @Override
+	    public boolean accept(File pathname) {
+		return pathname.getName().startsWith(user.getId() + ".");
+	    }
+	});
+	return listFiles != null && listFiles.length > 0;
+    }
+
+    /**
+     * Check with {@link #isSignatureImageExists()} existence first.
+     *
+     * @return
+     * @throws NullPointerException if image does not exist.
+     */
+    public File getSignatureUrl() {
+	File[] listFiles = new File("images").listFiles(new FileFilter() {
+
+	    @Override
+	    public boolean accept(File pathname) {
+		return pathname.getName().startsWith(user.getId() + ".");
+	    }
+	});
+	if (listFiles == null || listFiles.length == 0) {
+	    throw new NullPointerException("Image file does not exist");
+	}
+	return listFiles[0];
+    }
+}

src/main/java/de/kreth/invoice/security/UserManager.java

@@ -49,7 +49,7 @@ public class UserManager {
 	User user = new User();
 	AccessToken accessToken = getAccessToken();
 	user.setPrincipal(accessToken);
-	return user;
+	return save(user);
 
     }
 }

src/main/java/de/kreth/invoice/views/UserDetailsDialog.java

@@ -0,0 +1,227 @@
+package de.kreth.invoice.views;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.UncheckedIOException;
+import java.util.Objects;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.dialog.Dialog;
+import com.vaadin.flow.component.html.Hr;
+import com.vaadin.flow.component.html.Image;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.component.textfield.TextField;
+import com.vaadin.flow.component.upload.Upload;
+import com.vaadin.flow.data.binder.Binder;
+import com.vaadin.flow.data.binder.BinderValidationStatus;
+import com.vaadin.flow.server.AbstractStreamResource;
+import com.vaadin.flow.server.InputStreamFactory;
+import com.vaadin.flow.server.StreamResource;
+
+import de.kreth.invoice.data.Adress;
+import de.kreth.invoice.data.User;
+import de.kreth.invoice.data.UserAdress;
+import de.kreth.invoice.data.UserBank;
+import de.kreth.invoice.persistence.UserAdressRepository;
+import de.kreth.invoice.persistence.UserBankRepository;
+import de.kreth.invoice.report.Signature;
+
+public class UserDetailsDialog extends Dialog {
+
+    private static final long serialVersionUID = -6255487997073609068L;
+
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
+    private final Binder<UserBank> bankBinder = new Binder<>();
+    private final Binder<UserAdress> adressBinder = new Binder<>();
+
+    private final TextField loginName;
+
+    private final TextField prename;
+
+    private final TextField surname;
+
+    private final TextField bankName;
+
+    private final TextField iban;
+
+    private final TextField bic;
+
+    private final TextField adress1;
+
+    private final TextField adress2;
+
+    private final TextField zipCode;
+
+    private final TextField city;
+
+    private final Button okButton;
+
+    private final Image signatureImage;
+
+    private final UserBankRepository bankRepository;
+    private final UserAdressRepository adressRepository;
+
+    private User user;
+
+    private UserBank bank;
+
+    private UserAdress adress;
+
+    public UserDetailsDialog(UserBankRepository bankRepository, UserAdressRepository adressRepository) {
+	this.bankRepository = bankRepository;
+	this.adressRepository = adressRepository;
+
+	loginName = new TextField();
+	loginName.setLabel("Login Name");
+	loginName.setEnabled(false);
+
+	prename = new TextField();
+	prename.setLabel("Vorname");
+	prename.setEnabled(false);
+
+	surname = new TextField();
+	surname.setLabel("Nachname");
+
+	bankName = new TextField();
+	bankName.setLabel("Name der Bank");
+	bankBinder.forField(bankName)
+		.asRequired("Der BankName darf nicht leer sein.")
+		.bind(UserBank::getBankName, UserBank::setBankName);
+
+	iban = new TextField();
+	iban.setLabel("IBAN");
+	bankBinder.forField(iban)
+		.asRequired("Die IBAN darf nicht leer sein.")
+		.bind(UserBank::getIban, UserBank::setIban);
+
+	bic = new TextField();
+	bic.setLabel("BIC");
+	bankBinder.forField(bic).bind(UserBank::getBic, UserBank::setBic);
+
+	adress1 = new TextField();
+	adress1.setLabel("Straße");
+	adressBinder.forField(adress1)
+		.asRequired("Die Straße muss angegeben sein.")
+		.bind(Adress::getAdress1, Adress::setAdress1);
+
+	adress2 = new TextField();
+	adress2.setLabel("Adresszusatz");
+	adressBinder.forField(adress2)
+		.bind(Adress::getAdress2, Adress::setAdress2);
+
+	zipCode = new TextField();
+	zipCode.setLabel("Postleitzahl");
+	adressBinder.forField(zipCode)
+		.asRequired("Die Postleitzahl muss angegeben sein.")
+		.bind(Adress::getZip, Adress::setZip);
+
+	city = new TextField();
+	city.setLabel("Ort");
+	adressBinder.forField(city)
+		.asRequired("Der Ort muss angegeben sein.")
+		.bind(Adress::getCity, Adress::setCity);
+
+	signatureImage = new Image();
+	signatureImage.setWidth("192px");
+	signatureImage.setHeight("62px");
+	signatureImage.setAlt("Keine Unterschrift konfiguriert");
+
+	Upload upload = new Upload(this::receiveUpload);
+	upload.addFinishedListener(ev -> updateSignatureImage());
+
+	VerticalLayout layout = new VerticalLayout();
+	layout.add(loginName, prename, surname);
+	layout.add(new Hr());
+	layout.add(bankName, iban, bic);
+	layout.add(new Hr());
+	HorizontalLayout cityLayout = new HorizontalLayout();
+	cityLayout.add(zipCode, city);
+
+	layout.add(adress1, adress2, cityLayout, new HorizontalLayout(signatureImage, upload));
+
+	okButton = new Button("OK", ev -> {
+	    BinderValidationStatus<UserBank> bankValidation = bankBinder.validate();
+
+	    BinderValidationStatus<UserAdress> adressValidation = adressBinder.validate();
+	    if (bankValidation.isOk() && adressValidation.isOk()) {
+		close();
+	    }
+	});
+
+	Button cancel = new Button("Abbrechen", ev -> close());
+
+	HorizontalLayout buttons = new HorizontalLayout();
+	buttons.add(okButton, cancel);
+	layout.add(buttons);
+
+	add(layout);
+    }
+
+    private OutputStream receiveUpload(String filename, String mimeType) {
+
+	Signature signature = new Signature(user);
+	try {
+	    return signature.createOutputStream(filename);
+	} catch (IOException e) {
+	    throw new UncheckedIOException(e);
+	}
+    }
+//
+//    public Registration addOkClickListener(ClickListener listener) {
+//	return okButton.addClickListener(listener);
+//    }
+
+    public void setUser(User user) {
+	this.user = Objects.requireNonNull(user);
+	this.bank = bankRepository.findByUser(user);
+	this.adress = adressRepository.findByUser(user);
+	if (this.bank == null) {
+	    this.bank = new UserBank();
+	}
+	if (this.adress == null) {
+	    this.adress = new UserAdress();
+	}
+	updateSignatureImage();
+    }
+
+    private void updateSignatureImage() {
+	if (user != null) {
+	    Signature signature = new Signature(user);
+	    if (signature.isSignatureImageExists()) {
+		File signatureUrl = signature.getSignatureUrl();
+		logger.info("Showing signature: {}", signatureUrl);
+
+		StreamResource resource = new StreamResource(getAriaLabelString(), new InputStreamFactory() {
+
+		    private static final long serialVersionUID = 1L;
+
+		    @Override
+		    public InputStream createInputStream() {
+			try {
+			    return new FileInputStream(signatureUrl);
+			} catch (FileNotFoundException e) {
+			    throw new UncheckedIOException(e);
+			}
+		    }
+		});
+		signatureImage.setSrc(resource);
+	    } else {
+		signatureImage.setSrc((AbstractStreamResource) null);
+	    }
+	}
+    }
+
+    public User getUser() {
+	return user;
+    }
+
+}

src/main/resources/reports/mtv_gross_buchholz.jrxml

@@ -0,0 +1,586 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Created with Jaspersoft Studio version 6.6.0.final using JasperReports Library version 6.6.0  -->
+<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="mtv_gross_buchholz" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="ba0e72ff-086d-4045-a69c-ff65b323c201">
+	<property name="com.jaspersoft.studio.data.defaultdataadapter" value="One Empty Record"/>
+	<property name="com.jaspersoft.studio.property.dataset.dialog.DatasetDialog.sash.w1" value="380"/>
+	<property name="com.jaspersoft.studio.property.dataset.dialog.DatasetDialog.sash.w2" value="606"/>
+	<queryString>
+		<![CDATA[]]>
+	</queryString>
+	<field name="INVOICE_NO" class="java.lang.String">
+		<fieldDescription><![CDATA[Invoice No]]></fieldDescription>
+	</field>
+	<field name="INVOICE_DATE" class="java.time.LocalDateTime">
+		<fieldDescription><![CDATA[Invoice date]]></fieldDescription>
+	</field>
+	<field name="INVOICE_SUM" class="java.math.BigDecimal">
+		<fieldDescription><![CDATA[Invoice sum]]></fieldDescription>
+	</field>
+	<field name="USER_PRENAME" class="java.lang.String">
+		<fieldDescription><![CDATA[User Prename]]></fieldDescription>
+	</field>
+	<field name="USER_SURNAME" class="java.lang.String">
+		<fieldDescription><![CDATA[User Surname]]></fieldDescription>
+	</field>
+	<field name="ARTICLE_TITLE" class="java.lang.String">
+		<fieldDescription><![CDATA[Article Title]]></fieldDescription>
+	</field>
+	<field name="ARTICLE_DESCRIPTION" class="java.lang.String">
+		<fieldDescription><![CDATA[Article Description]]></fieldDescription>
+	</field>
+	<field name="ARTICLE_PRICE_PER_HOUR" class="java.math.BigDecimal">
+		<fieldDescription><![CDATA[Article Price per Hour]]></fieldDescription>
+	</field>
+	<field name="ITEM_START" class="java.time.LocalDateTime">
+		<fieldDescription><![CDATA[Item Start]]></fieldDescription>
+	</field>
+	<field name="ITEM_END" class="java.time.LocalDateTime">
+		<fieldDescription><![CDATA[Item End]]></fieldDescription>
+	</field>
+	<field name="ITEM_DURATION_MINUTES" class="java.lang.Long">
+		<fieldDescription><![CDATA[Item Duration in Minutes]]></fieldDescription>
+	</field>
+	<field name="ITEM_SUM" class="java.math.BigDecimal">
+		<fieldDescription><![CDATA[Item Sum]]></fieldDescription>
+	</field>
+	<field name="USER_ADRESS1" class="java.lang.String"/>
+	<field name="USER_ADRESS2" class="java.lang.String"/>
+	<field name="USER_ZIPCODE" class="java.lang.String"/>
+	<field name="USER_CITY" class="java.lang.String"/>
+	<field name="BANK_NAME" class="java.lang.String"/>
+	<field name="BANK_BIC" class="java.lang.String"/>
+	<field name="BANK_IBAN" class="java.lang.String"/>
+	<field name="FIELD_ITEM_PARTICIPANTS" class="java.lang.String"/>
+	<field name="FIELD_SIGNATURE_PATH" class="java.nio.file.Path">
+		<fieldDescription><![CDATA[Signature Image Path]]></fieldDescription>
+	</field>
+	<variable name="ITEM_SUM1" class="java.lang.Integer" calculation="Count">
+		<variableExpression><![CDATA[$F{ITEM_SUM}]]></variableExpression>
+	</variable>
+	<variable name="ITEM_SUM2" class="java.math.BigDecimal" calculation="Sum">
+		<variableExpression><![CDATA[$F{ITEM_SUM}]]></variableExpression>
+	</variable>
+	<variable name="DURATION" class="java.lang.Double" calculation="Sum">
+		<variableExpression><![CDATA[$F{ITEM_DURATION_MINUTES}.doubleValue()/60.0]]></variableExpression>
+	</variable>
+	<variable name="DURATION_PER_ITEM" class="java.lang.Double" resetType="Column">
+		<variableExpression><![CDATA[$F{ITEM_DURATION_MINUTES}.doubleValue()/60.0]]></variableExpression>
+	</variable>
+	<group name="ARTICLE_TITLE">
+		<groupExpression><![CDATA[$F{ARTICLE_TITLE}]]></groupExpression>
+	</group>
+	<group name="ARTICLE_DESCRIPTION">
+		<groupExpression><![CDATA[$F{ARTICLE_DESCRIPTION}]]></groupExpression>
+	</group>
+	<group name="ARTICLE_PRICE_PER_HOUR">
+		<groupExpression><![CDATA[$F{ARTICLE_PRICE_PER_HOUR}]]></groupExpression>
+	</group>
+	<group name="ITEM_START">
+		<groupExpression><![CDATA[$F{ITEM_START}]]></groupExpression>
+	</group>
+	<group name="ITEM_END">
+		<groupExpression><![CDATA[$F{ITEM_END}]]></groupExpression>
+	</group>
+	<group name="ITEM_DURATION_MINUTES">
+		<groupExpression><![CDATA[$F{ITEM_DURATION_MINUTES}]]></groupExpression>
+	</group>
+	<group name="ITEM_SUM">
+		<groupExpression><![CDATA[$F{ITEM_SUM}]]></groupExpression>
+	</group>
+	<background>
+		<band splitType="Stretch"/>
+	</background>
+	<title>
+		<band height="89" splitType="Stretch">
+			<staticText>
+				<reportElement x="0" y="25" width="556" height="20" uuid="38e32426-ceb9-40ee-af7a-ab84b566d96b"/>
+				<textElement textAlignment="Center">
+					<font fontName="Arial" size="12" isBold="false"/>
+				</textElement>
+				<text><![CDATA[MTV Groß-Buchholz von 1898 e.V.]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="0" y="37" width="556" height="15" uuid="88043ee4-db2c-43ca-96f2-fa078918d134">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center">
+					<font size="9"/>
+				</textElement>
+				<text><![CDATA[Rotekreuzstraße 25 - 30627 Hannover - Tel.: 0511/57 11 86 - Fax: 0511/57 11 61]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="376" y="0" width="103" height="12" uuid="7927de72-6eab-475d-821b-5267f0fea03e">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement verticalAlignment="Middle">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Lfd Nr. Rechnungsbuch:
+]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="376" y="12" width="103" height="13" uuid="85798559-a680-4640-a1c4-2283b1304317"/>
+				<textElement verticalAlignment="Middle">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Datum Rechnungsbuch:
+]]></text>
+			</staticText>
+			<line>
+				<reportElement x="474" y="8" width="81" height="1" uuid="b5037544-4ab0-4b5c-a92d-4191bba0a0b1">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+			</line>
+			<line>
+				<reportElement x="474" y="20" width="81" height="1" uuid="788013ff-1f4a-4420-b4b6-3dd9e405eea2">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+			</line>
+			<staticText>
+				<reportElement x="3" y="73" width="550" height="14" uuid="195e05ca-09bb-4890-8444-6cba59da2388">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font fontName="Arial" size="6"/>
+				</textElement>
+				<text><![CDATA[(o. Übungsleiter-Lizenz)]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="0" y="48" width="556" height="25" uuid="762705d5-be9c-476f-b2ff-dc07cab925f9"/>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font size="16" isUnderline="true"/>
+				</textElement>
+				<text><![CDATA[Monatsabrechnung Übungsleitervergütung
+]]></text>
+			</staticText>
+		</band>
+	</title>
+	<pageHeader>
+		<band height="110" splitType="Stretch">
+			<line>
+				<reportElement x="3" y="-2" width="550" height="1" uuid="0da2201f-3619-4a24-977a-eccb4f05b6f9">
+					<property name="local_mesure_unitheight" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.height" value="px"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+				</reportElement>
+			</line>
+			<staticText>
+				<reportElement x="29" y="20" width="170" height="12" uuid="db1896f4-7c34-4f30-91da-ca8155c4528c">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Vor- u. Zuname des Übungsleiters/ der Übungsleiterin]]></text>
+			</staticText>
+			<textField>
+				<reportElement x="29" y="6" width="170" height="13" uuid="8363dd3c-d88b-4f6c-ba0b-4ef4b974f43e"/>
+				<box>
+					<pen lineWidth="0.0"/>
+					<bottomPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center"/>
+				<textFieldExpression><![CDATA[$F{USER_PRENAME}+$F{USER_SURNAME}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="250" y="19" width="300" height="12" uuid="c1efbd82-4ef0-48fd-92cd-902880a56ab1">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Anschrift]]></text>
+			</staticText>
+			<textField>
+				<reportElement x="250" y="6" width="300" height="13" uuid="3c457055-6dc3-47ed-8cff-3ff8ffec0a53"/>
+				<box>
+					<pen lineWidth="0.0"/>
+					<bottomPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center"/>
+				<textFieldExpression><![CDATA[$F{USER_ADRESS1} + ", " + $F{USER_ZIPCODE} + " " + $F{USER_CITY}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="7" y="52" width="170" height="15" uuid="90c35b76-5cae-483a-a831-a8b5e635eda3">
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.x" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<box topPadding="1">
+					<topPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Top">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Bankverbindung]]></text>
+			</staticText>
+			<textField>
+				<reportElement x="7" y="38" width="170" height="15" uuid="0966a793-6dd3-4438-8482-1702dfe5b1e9">
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{BANK_NAME}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement positionType="Float" x="192" y="52" width="170" height="15" uuid="c5ad223c-9226-4b57-9126-d177d16e461e">
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.x" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<box topPadding="1">
+					<topPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Top">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[IBAN]]></text>
+			</staticText>
+			<textField>
+				<reportElement positionType="Float" x="192" y="37" width="170" height="15" uuid="1065c5a7-69b5-4f45-86a0-011a6901df70">
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{BANK_IBAN}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement positionType="Float" x="381" y="52" width="170" height="15" uuid="95383888-5270-4792-8427-906608b60200">
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.x" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<box topPadding="1">
+					<topPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Top">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[BIC]]></text>
+			</staticText>
+			<textField>
+				<reportElement positionType="Float" x="381" y="37" width="170" height="15" uuid="81c06fa2-8a43-43c0-9cfb-99ae5ba347ab">
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{BANK_BIC}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="64" y="72" width="135" height="15" uuid="87ccf811-b309-4bc1-a3e9-96249fa1b372">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<box>
+					<bottomPen lineWidth="1.0"/>
+				</box>
+				<textElement>
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Abrechnung für Monat: ]]></text>
+			</staticText>
+			<textField pattern="MMMM yyyy">
+				<reportElement x="199" y="72" width="154" height="15" uuid="94289187-33c3-4d31-9d8f-aad1f6f3a809">
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement>
+					<font isBold="true"/>
+				</textElement>
+				<textFieldExpression><![CDATA[$F{ITEM_START}.format( java.time.format.DateTimeFormatter.ofPattern("MMMM uuuu") )]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="119" y="89" width="170" height="15" uuid="0cf5ebb2-49f1-4e41-8ab9-ea99cc0226c1">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement verticalAlignment="Middle"/>
+				<text><![CDATA[Die Vergütung je Stunde beträgt: ]]></text>
+			</staticText>
+			<textField pattern="####0.00 EUR">
+				<reportElement x="289" y="89" width="64" height="15" uuid="db6a26fc-6e5a-4907-8a99-5da571c58328">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<textElement verticalAlignment="Middle">
+					<font isUnderline="true"/>
+				</textElement>
+				<textFieldExpression><![CDATA[$F{ARTICLE_PRICE_PER_HOUR}]]></textFieldExpression>
+			</textField>
+		</band>
+	</pageHeader>
+	<columnHeader>
+		<band height="24" splitType="Stretch">
+			<staticText>
+				<reportElement x="4" y="0" width="66" height="24" uuid="a4b7f758-ac69-4638-8cb8-ef586cbabbe6">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="aefb51e0-3482-4d43-8586-b00fd9c4bed1"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Tag]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="70" y="0" width="80" height="24" uuid="ddc1ec32-6d07-4e00-a7ce-5c86b814dfec">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="d61cd2ce-beaa-4a89-b660-f95abf03ca29"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Uhrzeit]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="495" y="0" width="60" height="24" uuid="28555860-eb98-42b1-8c83-b6448cfc2a94">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="1c7835af-a8af-4c26-8ccb-26be8172ce29"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Betrag]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="442" y="0" width="53" height="24" uuid="f9e76a5e-4764-4ba5-86c7-00bb2dd5df5c">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="ffb2463c-981a-4639-a49a-a237aebf96ad"/>
+				</reportElement>
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+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Stunden
+-zahl]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="151" y="0" width="90" height="24" uuid="81eaafcc-1ba3-4ba8-aac7-8b95ae9c1e32"/>
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+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Art
+des Unterrichts]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="241" y="0" width="88" height="24" uuid="fefd07ed-faa1-4c4d-b0d5-04eb64bb1602"/>
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+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Ort]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="329" y="0" width="112" height="24" uuid="0bb3541b-0a40-40c6-8727-726dfc6082c3">
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+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Teilnehmerzahl]]></text>
+			</staticText>
+		</band>
+	</columnHeader>
+	<detail>
+		<band height="15" splitType="Stretch">
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+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{ITEM_START}.format( java.time.format.DateTimeFormatter.ofPattern("dd.MM.uuuu") )]]></textFieldExpression>
+			</textField>
+			<textField>
+				<reportElement x="70" y="0" width="80" height="15" uuid="c204f2f3-cf50-48bb-8461-0ecc56a45f57">
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+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{ITEM_START}.format( java.time.format.DateTimeFormatter.ofPattern("HH:mm") ) + " - " + $F{ITEM_END}.format( java.time.format.DateTimeFormatter.ofPattern("HH:mm") )]]></textFieldExpression>
+			</textField>
+			<textField pattern="#,##0.00¤;#,##0.00- ¤">
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+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
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+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{ITEM_SUM}]]></textFieldExpression>
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+			<textField pattern="#,##0.0##;(#,##0.0##-)">
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+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$V{DURATION_PER_ITEM}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="151" y="0" width="90" height="15" uuid="7593911e-405a-49c4-89bc-4da3a4c53e7c"/>
+				<box>
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+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="false"/>
+				</textElement>
+				<text><![CDATA[Trampolinturnen]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="241" y="0" width="88" height="15" uuid="13055bef-6718-4c0d-8060-dfb1f307654e"/>
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+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="false"/>
+				</textElement>
+				<text><![CDATA[IGS Roderbruch]]></text>
+			</staticText>
+			<textField>
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+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{FIELD_ITEM_PARTICIPANTS}]]></textFieldExpression>
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+		</band>
+	</detail>
+	<columnFooter>
+		<band height="32" splitType="Stretch">
+			<textField pattern="#,##0.00¤;#,##0.00- ¤">
+				<reportElement x="495" y="4" width="60" height="14" uuid="97cc81ab-b30d-4bec-ac00-894f07714615"/>
+				<textElement textAlignment="Center"/>
+				<textFieldExpression><![CDATA[$F{INVOICE_SUM}]]></textFieldExpression>
+			</textField>
+			<textField>
+				<reportElement x="58" y="4" width="100" height="14" uuid="0c3fb889-83ef-4f37-9095-5a4100bbf7b7"/>
+				<textElement textAlignment="Right"/>
+				<textFieldExpression><![CDATA[$V{ITEM_SUM1}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="158" y="4" width="54" height="14" uuid="884d43d5-2b34-40ee-bb6c-17f682a5d253"/>
+				<text><![CDATA[ Einheiten]]></text>
+			</staticText>
+			<textField pattern="#,##0.0##;(#,##0.0##-)">
+				<reportElement x="212" y="4" width="61" height="14" uuid="4ecef20c-3185-4a9e-bc43-f21206745b19">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="ffb2463c-981a-4639-a49a-a237aebf96ad"/>
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+				<box>
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+					<rightPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Right"/>
+				<textFieldExpression><![CDATA[$V{DURATION}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement stretchType="ContainerHeight" x="274" y="4" width="50" height="14" uuid="f6e94973-9423-4576-8484-a966de108b3e"/>
+				<text><![CDATA[Stunden]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="428" y="4" width="66" height="14" uuid="2ac20436-92e6-4078-9d21-b2f287a3dc91"/>
+				<textElement textAlignment="Right"/>
+				<text><![CDATA[Summe:]]></text>
+			</staticText>
+		</band>
+	</columnFooter>
+	<pageFooter>
+		<band height="83" splitType="Stretch">
+			<staticText>
+				<reportElement x="7" y="55" width="161" height="20" uuid="8deca167-570b-4feb-b3bb-23af38af502f"/>
+				<box>
+					<topPen lineWidth="1.25"/>
+				</box>
+				<text><![CDATA[Unterschrift Abt.Leiter/In
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+			</staticText>
+			<staticText>
+				<reportElement x="359" y="55" width="185" height="20" uuid="eaea1eea-e4b7-438b-ba8f-37875ecd30e6"/>
+				<box>
+					<topPen lineWidth="1.25"/>
+				</box>
+				<text><![CDATA[Unterschrift Übungsleiter/In
+]]></text>
+			</staticText>
+			<image>
+				<reportElement x="353" y="0" width="197" height="55" printWhenGroupChanges="ITEM_DURATION_MINUTES" uuid="dd399aee-21eb-498a-bf73-8347ca5f97f6">
+					<printWhenExpression><![CDATA[$F{FIELD_SIGNATURE_PATH}!=null]]></printWhenExpression>
+				</reportElement>
+				<imageExpression><![CDATA[$F{FIELD_SIGNATURE_PATH}.toString()]]></imageExpression>
+			</image>
+		</band>
+	</pageFooter>
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src/main/resources/reports/mtv_gross_buchholz_trainer.jrxml

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+<?xml version="1.0" encoding="UTF-8"?>
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+	<property name="com.jaspersoft.studio.data.defaultdataadapter" value="Invoice2"/>
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+	<property name="com.jaspersoft.studio.property.dataset.dialog.DatasetDialog.sash.w2" value="606"/>
+	<queryString>
+		<![CDATA[]]>
+	</queryString>
+	<field name="INVOICE_NO" class="java.lang.String">
+		<fieldDescription><![CDATA[Invoice No]]></fieldDescription>
+	</field>
+	<field name="INVOICE_DATE" class="java.time.LocalDateTime">
+		<fieldDescription><![CDATA[Invoice date]]></fieldDescription>
+	</field>
+	<field name="INVOICE_SUM" class="java.math.BigDecimal">
+		<fieldDescription><![CDATA[Invoice sum]]></fieldDescription>
+	</field>
+	<field name="USER_PRENAME" class="java.lang.String">
+		<fieldDescription><![CDATA[User Prename]]></fieldDescription>
+	</field>
+	<field name="USER_SURNAME" class="java.lang.String">
+		<fieldDescription><![CDATA[User Surname]]></fieldDescription>
+	</field>
+	<field name="ARTICLE_TITLE" class="java.lang.String">
+		<fieldDescription><![CDATA[Article Title]]></fieldDescription>
+	</field>
+	<field name="ARTICLE_DESCRIPTION" class="java.lang.String">
+		<fieldDescription><![CDATA[Article Description]]></fieldDescription>
+	</field>
+	<field name="ARTICLE_PRICE_PER_HOUR" class="java.math.BigDecimal">
+		<fieldDescription><![CDATA[Article Price per Hour]]></fieldDescription>
+	</field>
+	<field name="ITEM_START" class="java.time.LocalDateTime">
+		<fieldDescription><![CDATA[Item Start]]></fieldDescription>
+	</field>
+	<field name="ITEM_END" class="java.time.LocalDateTime">
+		<fieldDescription><![CDATA[Item End]]></fieldDescription>
+	</field>
+	<field name="ITEM_DURATION_MINUTES" class="java.lang.Long">
+		<fieldDescription><![CDATA[Item Duration in Minutes]]></fieldDescription>
+	</field>
+	<field name="ITEM_SUM" class="java.math.BigDecimal">
+		<fieldDescription><![CDATA[Item Sum]]></fieldDescription>
+	</field>
+	<field name="USER_ADRESS1" class="java.lang.String"/>
+	<field name="USER_ADRESS2" class="java.lang.String"/>
+	<field name="USER_ZIPCODE" class="java.lang.String"/>
+	<field name="USER_CITY" class="java.lang.String"/>
+	<field name="BANK_NAME" class="java.lang.String"/>
+	<field name="BANK_BIC" class="java.lang.String"/>
+	<field name="BANK_IBAN" class="java.lang.String"/>
+	<field name="FIELD_ITEM_PARTICIPANTS" class="java.lang.String"/>
+	<field name="FIELD_SIGNATURE_PATH" class="java.nio.file.Path">
+		<fieldDescription><![CDATA[Signature Image Path]]></fieldDescription>
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+	<variable name="ITEM_SUM2" class="java.math.BigDecimal" calculation="Sum">
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+	<variable name="DURATION" class="java.lang.Double" calculation="Sum">
+		<variableExpression><![CDATA[$F{ITEM_DURATION_MINUTES}.doubleValue()/60.0]]></variableExpression>
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+	<variable name="DURATION_PER_ITEM" class="java.lang.Double" resetType="Column">
+		<variableExpression><![CDATA[$F{ITEM_DURATION_MINUTES}.doubleValue()/60.0]]></variableExpression>
+	</variable>
+	<group name="ARTICLE_TITLE">
+		<groupExpression><![CDATA[$F{ARTICLE_TITLE}]]></groupExpression>
+	</group>
+	<group name="ARTICLE_DESCRIPTION">
+		<groupExpression><![CDATA[$F{ARTICLE_DESCRIPTION}]]></groupExpression>
+	</group>
+	<group name="ARTICLE_PRICE_PER_HOUR">
+		<groupExpression><![CDATA[$F{ARTICLE_PRICE_PER_HOUR}]]></groupExpression>
+	</group>
+	<group name="ITEM_START">
+		<groupExpression><![CDATA[$F{ITEM_START}]]></groupExpression>
+	</group>
+	<group name="ITEM_END">
+		<groupExpression><![CDATA[$F{ITEM_END}]]></groupExpression>
+	</group>
+	<group name="ITEM_DURATION_MINUTES">
+		<groupExpression><![CDATA[$F{ITEM_DURATION_MINUTES}]]></groupExpression>
+	</group>
+	<group name="ITEM_SUM">
+		<groupExpression><![CDATA[$F{ITEM_SUM}]]></groupExpression>
+	</group>
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+				<textElement textAlignment="Center">
+					<font fontName="Arial" size="12" isBold="false"/>
+				</textElement>
+				<text><![CDATA[MTV Groß-Buchholz von 1898 e.V.]]></text>
+			</staticText>
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+				<textElement textAlignment="Center" verticalAlignment="Middle">
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+				<text><![CDATA[Rotekreuzstraße 25 - 30627 Hannover]]></text>
+			</staticText>
+			<staticText>
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+				</box>
+				<textElement verticalAlignment="Middle">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Lfd Nr. Rechnungsbuch:
+]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="376" y="12" width="103" height="10" uuid="85798559-a680-4640-a1c4-2283b1304317"/>
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+				<text><![CDATA[Datum Rechnungsbuch:
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+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font fontName="Arial" size="6"/>
+				</textElement>
+				<text><![CDATA[zur Inanspruchnahme eines städtischen Zuschusses zu den Personalkosten von Sportübungsleitern]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="0" y="72" width="550" height="10" uuid="6e3eed4f-1c4d-4383-a358-c58f73d4d103">
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+				</reportElement>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font fontName="Arial" size="6"/>
+				</textElement>
+				<text><![CDATA[zur Vorlage bei der Landeshauptstadt Hannover]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="0" y="52" width="556" height="21" uuid="762705d5-be9c-476f-b2ff-dc07cab925f9"/>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font size="16" isUnderline="true"/>
+				</textElement>
+				<text><![CDATA[Monatsabrechnung Übungsleitervergütung
+]]></text>
+			</staticText>
+		</band>
+	</title>
+	<pageHeader>
+		<band height="110" splitType="Stretch">
+			<line>
+				<reportElement x="3" y="-2" width="550" height="1" uuid="0da2201f-3619-4a24-977a-eccb4f05b6f9">
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+					<property name="com.jaspersoft.studio.unit.height" value="px"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
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+			<staticText>
+				<reportElement x="29" y="20" width="170" height="12" uuid="db1896f4-7c34-4f30-91da-ca8155c4528c">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Vor- u. Zuname des Übungsleiters/ der Übungsleiterin]]></text>
+			</staticText>
+			<textField>
+				<reportElement x="29" y="6" width="170" height="13" uuid="8363dd3c-d88b-4f6c-ba0b-4ef4b974f43e"/>
+				<box>
+					<pen lineWidth="0.0"/>
+					<bottomPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center"/>
+				<textFieldExpression><![CDATA[$F{USER_PRENAME}+$F{USER_SURNAME}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="250" y="19" width="300" height="12" uuid="c1efbd82-4ef0-48fd-92cd-902880a56ab1">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Anschrift]]></text>
+			</staticText>
+			<textField>
+				<reportElement x="250" y="6" width="300" height="13" uuid="3c457055-6dc3-47ed-8cff-3ff8ffec0a53"/>
+				<box>
+					<pen lineWidth="0.0"/>
+					<bottomPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center"/>
+				<textFieldExpression><![CDATA[$F{USER_ADRESS1} + ", " + $F{USER_ZIPCODE} + " " + $F{USER_CITY}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="7" y="52" width="170" height="15" uuid="90c35b76-5cae-483a-a831-a8b5e635eda3">
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.x" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<box topPadding="1">
+					<topPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Top">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[Bankverbindung]]></text>
+			</staticText>
+			<textField>
+				<reportElement x="7" y="38" width="170" height="15" uuid="0966a793-6dd3-4438-8482-1702dfe5b1e9">
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{BANK_NAME}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement positionType="Float" x="192" y="52" width="170" height="15" uuid="c5ad223c-9226-4b57-9126-d177d16e461e">
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.x" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<box topPadding="1">
+					<topPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Top">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[IBAN]]></text>
+			</staticText>
+			<textField>
+				<reportElement positionType="Float" x="192" y="37" width="170" height="15" uuid="1065c5a7-69b5-4f45-86a0-011a6901df70">
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{BANK_IBAN}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement positionType="Float" x="381" y="52" width="170" height="15" uuid="95383888-5270-4792-8427-906608b60200">
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.x" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<box topPadding="1">
+					<topPen lineWidth="1.0"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Top">
+					<font size="8"/>
+				</textElement>
+				<text><![CDATA[BIC]]></text>
+			</staticText>
+			<textField>
+				<reportElement positionType="Float" x="381" y="37" width="170" height="15" uuid="81c06fa2-8a43-43c0-9cfb-99ae5ba347ab">
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+				</reportElement>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{BANK_BIC}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="64" y="72" width="135" height="15" uuid="87ccf811-b309-4bc1-a3e9-96249fa1b372">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<box>
+					<bottomPen lineWidth="1.0"/>
+				</box>
+				<textElement>
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Abrechnung für Monat: ]]></text>
+			</staticText>
+			<textField pattern="MMMM yyyy">
+				<reportElement x="199" y="72" width="154" height="15" uuid="94289187-33c3-4d31-9d8f-aad1f6f3a809">
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement>
+					<font isBold="true"/>
+				</textElement>
+				<textFieldExpression><![CDATA[$F{ITEM_START}.format( java.time.format.DateTimeFormatter.ofPattern("MMMM uuuu") )]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="119" y="89" width="170" height="15" uuid="0cf5ebb2-49f1-4e41-8ab9-ea99cc0226c1">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+				</reportElement>
+				<textElement verticalAlignment="Middle"/>
+				<text><![CDATA[Die Vergütung je Stunde beträgt: ]]></text>
+			</staticText>
+			<textField pattern="####0.00 EUR">
+				<reportElement x="289" y="89" width="64" height="15" uuid="db6a26fc-6e5a-4907-8a99-5da571c58328">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+				</reportElement>
+				<textElement verticalAlignment="Middle">
+					<font isUnderline="true"/>
+				</textElement>
+				<textFieldExpression><![CDATA[$F{ARTICLE_PRICE_PER_HOUR}]]></textFieldExpression>
+			</textField>
+		</band>
+	</pageHeader>
+	<columnHeader>
+		<band height="24" splitType="Stretch">
+			<staticText>
+				<reportElement x="4" y="0" width="66" height="24" uuid="a4b7f758-ac69-4638-8cb8-ef586cbabbe6">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="aefb51e0-3482-4d43-8586-b00fd9c4bed1"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Tag]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="70" y="0" width="80" height="24" uuid="ddc1ec32-6d07-4e00-a7ce-5c86b814dfec">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="d61cd2ce-beaa-4a89-b660-f95abf03ca29"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Uhrzeit]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="495" y="0" width="60" height="24" uuid="28555860-eb98-42b1-8c83-b6448cfc2a94">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="1c7835af-a8af-4c26-8ccb-26be8172ce29"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Betrag]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="442" y="0" width="53" height="24" uuid="f9e76a5e-4764-4ba5-86c7-00bb2dd5df5c">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="ffb2463c-981a-4639-a49a-a237aebf96ad"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Stunden
+-zahl]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="151" y="0" width="90" height="24" uuid="81eaafcc-1ba3-4ba8-aac7-8b95ae9c1e32"/>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Art
+des Unterrichts]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="241" y="0" width="88" height="24" uuid="fefd07ed-faa1-4c4d-b0d5-04eb64bb1602"/>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Ort]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="329" y="0" width="112" height="24" uuid="0bb3541b-0a40-40c6-8727-726dfc6082c3">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="7141045b-35fa-4d89-bd0a-5dff9fe6e263"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="true"/>
+				</textElement>
+				<text><![CDATA[Teilnehmerzahl]]></text>
+			</staticText>
+		</band>
+	</columnHeader>
+	<detail>
+		<band height="15" splitType="Stretch">
+			<textField>
+				<reportElement x="4" y="0" width="66" height="15" uuid="4750ef82-cbe7-454b-942e-b70954e8a3b2">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="aefb51e0-3482-4d43-8586-b00fd9c4bed1"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{ITEM_START}.format( java.time.format.DateTimeFormatter.ofPattern("dd.MM.uuuu") )]]></textFieldExpression>
+			</textField>
+			<textField>
+				<reportElement x="70" y="0" width="80" height="15" uuid="c204f2f3-cf50-48bb-8461-0ecc56a45f57">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="d61cd2ce-beaa-4a89-b660-f95abf03ca29"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{ITEM_START}.format( java.time.format.DateTimeFormatter.ofPattern("HH:mm") ) + " - " + $F{ITEM_END}.format( java.time.format.DateTimeFormatter.ofPattern("HH:mm") )]]></textFieldExpression>
+			</textField>
+			<textField pattern="#,##0.00¤;#,##0.00- ¤">
+				<reportElement x="495" y="0" width="60" height="15" uuid="ec2a503b-4264-4ed4-903a-86d60c3a2e12">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="1c7835af-a8af-4c26-8ccb-26be8172ce29"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{ITEM_SUM}]]></textFieldExpression>
+			</textField>
+			<textField pattern="#,##0.0##;(#,##0.0##-)">
+				<reportElement x="442" y="0" width="53" height="15" uuid="2e105e00-0a68-4a95-a6a5-c416584db2da">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="ffb2463c-981a-4639-a49a-a237aebf96ad"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$V{DURATION_PER_ITEM}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="151" y="0" width="90" height="15" uuid="7593911e-405a-49c4-89bc-4da3a4c53e7c"/>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="false"/>
+				</textElement>
+				<text><![CDATA[Trampolinturnen]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="241" y="0" width="88" height="15" uuid="13055bef-6718-4c0d-8060-dfb1f307654e"/>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle">
+					<font isBold="false"/>
+				</textElement>
+				<text><![CDATA[IGS Roderbruch]]></text>
+			</staticText>
+			<textField>
+				<reportElement x="329" y="0" width="113" height="15" uuid="f92bf1eb-4dc0-4c56-b478-1559caa3d7e6">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="7141045b-35fa-4d89-bd0a-5dff9fe6e263"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="1.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Center" verticalAlignment="Middle"/>
+				<textFieldExpression><![CDATA[$F{FIELD_ITEM_PARTICIPANTS}]]></textFieldExpression>
+			</textField>
+		</band>
+	</detail>
+	<columnFooter>
+		<band height="20" splitType="Stretch">
+			<textField pattern="#,##0.00¤;#,##0.00- ¤">
+				<reportElement x="495" y="4" width="60" height="14" uuid="97cc81ab-b30d-4bec-ac00-894f07714615"/>
+				<textElement textAlignment="Center"/>
+				<textFieldExpression><![CDATA[$F{INVOICE_SUM}]]></textFieldExpression>
+			</textField>
+			<textField>
+				<reportElement x="58" y="4" width="100" height="14" uuid="0c3fb889-83ef-4f37-9095-5a4100bbf7b7"/>
+				<textElement textAlignment="Right"/>
+				<textFieldExpression><![CDATA[$V{ITEM_SUM1}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement x="158" y="4" width="54" height="14" uuid="884d43d5-2b34-40ee-bb6c-17f682a5d253"/>
+				<text><![CDATA[ Einheiten]]></text>
+			</staticText>
+			<textField pattern="#,##0.0##;(#,##0.0##-)">
+				<reportElement x="212" y="4" width="61" height="14" uuid="4ecef20c-3185-4a9e-bc43-f21206745b19">
+					<property name="com.jaspersoft.studio.spreadsheet.connectionID" value="ffb2463c-981a-4639-a49a-a237aebf96ad"/>
+				</reportElement>
+				<box>
+					<topPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+					<leftPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+					<bottomPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+					<rightPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
+				</box>
+				<textElement textAlignment="Right"/>
+				<textFieldExpression><![CDATA[$V{DURATION}]]></textFieldExpression>
+			</textField>
+			<staticText>
+				<reportElement stretchType="ContainerHeight" x="274" y="4" width="50" height="14" uuid="f6e94973-9423-4576-8484-a966de108b3e"/>
+				<text><![CDATA[Stunden]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="428" y="4" width="66" height="14" uuid="2ac20436-92e6-4078-9d21-b2f287a3dc91"/>
+				<textElement textAlignment="Right"/>
+				<text><![CDATA[Summe:]]></text>
+			</staticText>
+		</band>
+	</columnFooter>
+	<pageFooter>
+		<band height="184" splitType="Stretch">
+			<staticText>
+				<reportElement x="14" y="10" width="384" height="12" uuid="71d9d40c-d319-43bf-a244-e2c0aabacd15"/>
+				<text><![CDATA[Die Richtigkeit der vorstehenden Angaben wird hiermit bestätigt.
+]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="29" y="78" width="161" height="20" uuid="8deca167-570b-4feb-b3bb-23af38af502f"/>
+				<text><![CDATA[Unterschrift Abt.Leiter/In
+]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="27" y="162" width="185" height="18" uuid="eaea1eea-e4b7-438b-ba8f-37875ecd30e6"/>
+				<text><![CDATA[Unterschrift Übungsleiter/In
+]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="340" y="162" width="201" height="12" uuid="9e84f80c-3160-48c8-a553-4a02afab0c1f">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<textElement>
+					<font fontName="Serif" size="9" isBold="true"/>
+				</textElement>
+				<text><![CDATA[*zu überweisender Betrag: netto EUR
+]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="510" y="147" width="30" height="12" uuid="ec58eaa7-2b8d-4406-b479-63dc47aa1afd">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[EUR]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="340" y="147" width="92" height="12" uuid="4e8623ca-b81c-4b8b-bfe6-d06bb44dd489">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.y" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[LKiSt kath.
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="340" y="135" width="92" height="12" uuid="b660623b-4e27-46c1-8b20-72e18f881452">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[LKiSt ev.
+
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="340" y="123" width="92" height="12" uuid="f0caaef2-7915-4c9b-83c7-7cd42091d9ee">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[Sol.-Steuer
+
+
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="340" y="111" width="92" height="12" uuid="a79ebd35-c68b-4cc5-b2a0-4eef0223aca6">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[Lohnsteuer
+
+
+
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="510" y="135" width="30" height="12" uuid="a84dfa91-7521-4b02-8109-45da6e3aca20">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[EUR]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="510" y="123" width="30" height="12" uuid="1305c1d0-168f-405a-84c7-f2a2272a3d0c">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[EUR]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="510" y="111" width="30" height="12" uuid="cce624b8-5bf8-465d-8a98-4a4efb4b9ade">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[EUR]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="510" y="99" width="30" height="12" uuid="11c9c782-304c-43f0-bf11-ebd4e9115f2e">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[EUR]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="510" y="87" width="30" height="12" uuid="aba60deb-e035-4689-8b4f-22bb9d9ab084">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[EUR]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="510" y="75" width="30" height="12" uuid="11ab0a56-8c2a-44b3-b578-797c455ef33a">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[EUR]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="402" y="99" width="30" height="12" uuid="91dc2b58-1692-425d-b916-e59aac3a83d4">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<textElement textAlignment="Left"/>
+				<text><![CDATA[% RV
+
+
+
+
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="402" y="87" width="30" height="12" uuid="5fd23cda-b3cb-49dc-9d24-a962043f007e">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<textElement textAlignment="Left"/>
+				<text><![CDATA[% PV
+
+
+
+
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="402" y="75" width="30" height="12" uuid="12891e8f-edef-4b5b-a83d-b9ef9a0ff3bf">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<textElement textAlignment="Left"/>
+				<text><![CDATA[% KV
+
+
+
+
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="402" y="63" width="100" height="12" uuid="36006289-c0f3-4aec-a83e-2e98adee609f">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<textElement textAlignment="Left"/>
+				<text><![CDATA[Sozialversicherung
+
+
+
+
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement stretchType="ElementGroupHeight" x="340" y="38" width="146" height="25" uuid="d315654c-5c49-41a4-9d1e-b0e7a579707a">
+					<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
+					<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<text><![CDATA[(Unter Berücksichtigung des
+Freibetrages §3 Nr. 26 EStG)
+
+
+
+ ]]></text>
+			</staticText>
+			<staticText>
+				<reportElement x="341" y="25" width="100" height="13" uuid="568cfee0-40fc-4fdc-8915-ddc48a1dc2b7">
+					<printWhenExpression><![CDATA[1==2]]></printWhenExpression>
+				</reportElement>
+				<textElement>
+					<font fontName="Serif" size="9" isBold="true"/>
+				</textElement>
+				<text><![CDATA[Abzüge]]></text>
+			</staticText>
+			<image scaleImage="RetainShape" vAlign="Bottom" onErrorType="Blank">
+				<reportElement x="20" y="99" width="192" height="62" uuid="0fee9023-e15d-445f-8478-6f5a0d15d5ba">
+					<printWhenExpression><![CDATA[$F{FIELD_SIGNATURE_PATH}!=null]]></printWhenExpression>
+				</reportElement>
+				<imageExpression><![CDATA[$F{FIELD_SIGNATURE_PATH}.toString()]]></imageExpression>
+			</image>
+		</band>
+	</pageFooter>
+</jasperReport>

src/main/resources/schema.sql

@@ -0,0 +1,71 @@
+
+CREATE TABLE USER (
+  ID INT(11) NOT NULL,
+  EMAIL VARCHAR(45) NOT NULL,
+  GIVEN_NAME VARCHAR(45) NOT NULL,
+  FAMILY_NAME VARCHAR(45) NOT NULL,
+  PRINCIPAL_ID VARCHAR(45) NOT NULL,
+  UPDATED TIMESTAMP NOT NULL,
+  CREATED TIMESTAMP NOT NULL
+);
+
+CREATE TABLE ADRESS (
+  ID INT(11) NOT NULL,
+  ADRESS_TYPE VARCHAR(31) NOT NULL,
+  ADRESS1 VARCHAR(255) DEFAULT NULL,
+  ADRESS2 VARCHAR(255) DEFAULT NULL,
+  ZIP VARCHAR(45) DEFAULT NULL,
+  CITY VARCHAR(155) DEFAULT NULL,
+  UPDATED TIMESTAMP NOT NULL,
+  CREATED TIMESTAMP NOT NULL
+);
+
+CREATE TABLE ARTICLE (
+  ID INT(11) NOT NULL,
+  PRICE DOUBLE NOT NULL,
+  TITLE VARCHAR(50) NOT NULL,
+  DESCRIPTION VARCHAR(255) DEFAULT NULL,
+  USER_ID INT(11) NOT NULL,
+  REPORT VARCHAR(45) NOT NULL DEFAULT '/REPORTS/MTV_GROSS_BUCHHOLZ.JRXML',
+  UPDATED TIMESTAMP NOT NULL,
+  CREATED TIMESTAMP NOT NULL
+);
+
+CREATE TABLE BANKING_CONNECTION (
+  ID INT(11) NOT NULL,
+  OWNER_TYPE VARCHAR(31) NOT NULL,
+  BANKNAME VARCHAR(255) DEFAULT NULL,
+  BIC VARCHAR(255) DEFAULT NULL,
+  IBAN VARCHAR(255) DEFAULT NULL,
+  UPDATED TIMESTAMP NOT NULL,
+  CREATED TIMESTAMP NOT NULL
+);
+
+CREATE TABLE INVOICE (
+  ID INT(11) NOT NULL,
+  INVOICE_DATE DATETIME NOT NULL,
+  INVOICE_ID VARCHAR(150) NOT NULL,
+  USER_ID INT(11) NOT NULL,
+  SIGN_IMAGE_PATH VARCHAR(255) DEFAULT NULL,
+  UPDATED TIMESTAMP NOT NULL,
+  CREATED TIMESTAMP NOT NULL
+);
+
+CREATE TABLE INVOICE_ITEM (
+  ID INT(11) NOT NULL,
+  START DATETIME NOT NULL,
+  END VARCHAR(45) NOT NULL,
+  ARTICLE_ID INT(11) NOT NULL,
+  PARTICIPANTS VARCHAR(15) DEFAULT NULL,
+  SUM_PRICE DECIMAL(7,2) NOT NULL,
+  RECHNUNG_ID INT(11) DEFAULT NULL,
+  INVOICE_ID INT(11) DEFAULT NULL,
+  UPDATED TIMESTAMP NOT NULL,
+  CREATED TIMESTAMP NOT NULL,
+  TITLE VARCHAR(100) NOT NULL,
+  DESCRIPTION VARCHAR(255) DEFAULT NULL,
+  USER_ID INT(11) NOT NULL,
+  PRICEPERHOUR DECIMAL(7,2) NOT NULL,
+  REPORT VARCHAR(255) DEFAULT NULL
+);
+