Implementován obecný export prvků Listbox do excelu.

closes #261

src/main/java/info/bukova/isspst/sort/CzechSortListheader.java

@@ -1,13 +1,170 @@
 package info.bukova.isspst.sort;
 
-import org.zkoss.zul.Listheader;
+import info.bukova.isspst.StringUtils;
+import org.apache.poi.hssf.usermodel.*;
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.Row;
+import org.zkoss.zk.au.AuRequest;
+import org.zkoss.zk.ui.Component;
+import org.zkoss.zk.ui.event.*;
+import org.zkoss.zul.*;
+
+import java.io.ByteArrayOutputStream;
+import java.util.List;
 
 @SuppressWarnings("serial")
 public class CzechSortListheader extends Listheader {
+	static {
+		addClientEvent(CzechSortListheader.class, Events.ON_RIGHT_CLICK, CE_IMPORTANT | CE_NON_DEFERRABLE);
+	}
+
+	public void onRightClick() {
+		Menupopup popup = new Menupopup();
+		popup.setPage(this.getPage());
+		popup.setWidth("250px");
+		this.setContext(popup);
+
+		Menuitem item = new Menuitem();
+		item.setLabel(StringUtils.localize("ExportToExcel"));
+		item.setImage("/img/excel-032.png");
+		item.setParent(popup);
+
+		item.addEventListener(Events.ON_CLICK, new EventListener() {
+			@Override
+			public void onEvent(org.zkoss.zk.ui.event.Event event) throws Exception {
+				Listbox listBox = getListbox();
+
+				if (listBox != null) {
+					HSSFWorkbook workBook = new HSSFWorkbook();
+					HSSFSheet workSheet = workBook.createSheet("export");
+					int rowNumber = 0;
+					Row excelRow = null;
+					Cell excelCell = null;
+
+					HSSFCellStyle cellStyle = workBook.createCellStyle();
+					HSSFFont defaultFont = cellStyle.getFont(workBook);
+
+					HSSFCellStyle cellStyleNumber = workBook.createCellStyle();
+					cellStyleNumber.setAlignment(CellStyle.ALIGN_RIGHT);
+					//http://www.roseindia.net/java/poi/setdataformat.shtml
+					//HSSFDataFormat dataNumberFormat = workBook.createDataFormat();
+					//cellStyleNumber.setDataFormat(dataNumberFormat.getFormat("# ##0,00"));
+					cellStyleNumber.setDataFormat((short)4);
+
+					HSSFCellStyle cellStyleDate = workBook.createCellStyle();
+					cellStyleDate.setAlignment(CellStyle.ALIGN_RIGHT);
+					//http://www.roseindia.net/java/poi/setdataformat.shtml
+					HSSFDataFormat dataDateFormat = workBook.createDataFormat();
+					cellStyleDate.setDataFormat(dataDateFormat.getFormat("DD. MM. YYYY"));
+					//cellStyleDate.setDataFormat((short) 15);
+
+					int totalCols = 0;
+
+					Listhead listHead = listBox.getListhead();
+
+					if (listHead != null) {
+						HSSFCellStyle cellStyleHeader = workBook.createCellStyle();
+						cellStyleHeader.setAlignment(CellStyle.ALIGN_CENTER);
+						HSSFFont font = workBook.createFont();
+						font.setFontName(defaultFont.getFontName());
+						font.setFontHeightInPoints(defaultFont.getFontHeightInPoints());
+						font.setBold(true);
+						cellStyleHeader.setFont(font);
+
+						excelRow = workSheet.createRow(rowNumber++);
+						List<Listheader> headerList = listHead.getChildren();
+						totalCols = headerList.size();
+
+						for (int i = 0; i < totalCols; i++) {
+							Listheader listHeader = headerList.get(i);
+							String label = listHeader.getLabel();
+							excelCell = excelRow.createCell(i);
+							excelCell.setCellStyle(cellStyleHeader);
+							excelCell.setCellValue(label);
+						}
+					}
+
+					List<Listitem> itemList = listBox.getItems();
+
+					for (int i = 0; i < itemList.size(); i++) {
+						Listitem item = itemList.get(i);
+						excelRow = workSheet.createRow(rowNumber++);
+
+						List<Listcell> cellList = item.getChildren();
+
+						for (int k=0; k < cellList.size(); k++) {
+							Listcell cell = cellList.get(k);
+							String label = cell.getLabel();
+
+							HSSFCellStyle cellStyleActual = cellStyle;
+							excelCell = excelRow.createCell(k);
+
+							if (label != null) {
+								if (label.isEmpty()) {
+									//List<Component> componentList = cell.getChildren();
+									Component component = cell.getFirstChild();
+
+									if (component != null) {
+										if (component instanceof Textbox) {
+											Textbox textBox = (Textbox) component;
+											label = textBox.getValue();
+										}
+										else if (component instanceof Button) {
+											Button button = (Button) component;
+											label = button.getLabel();
+										}
+									}
+								}
+
+								if (label.matches("^[+-]?[0-9]{1,3}(,?[0-9]{3})*(\\.[0-9]+)?$")) {
+									// english number -1,234.56 (change browser language)
+									label = label.replace(",", " ");
+									label = label.replace(".", ",");
+								}
+
+								if (label.matches("^[+-]?[0-9]{1,3}([ \\xA0][0-9]{3})*([,][0-9]+)?$")) {
+									// czech number -1 234,56
+									cellStyleActual = cellStyleNumber;
+								}
+								else if (label.matches("[0-9]{1,2}[.][ \\xA0]?[0-9]{1,2}[.][ \\xA0]?[0-9]{4}")) {
+									// czech date
+									cellStyleActual = cellStyleDate;
+								}
+							}
+
+							excelCell.setCellStyle(cellStyleActual);
+							excelCell.setCellValue(label);
+						}
+					}
+
+					for (int i = 0; i < totalCols; i++) {
+						//int width = workSheet.getColumnWidth(i);
+						workSheet.autoSizeColumn(i);
+						int width = workSheet.getColumnWidth(i);
+						int maxWidth = 8000;
+
+						if (width > maxWidth) {
+							workSheet.setColumnWidth(i, maxWidth);
+						}
+					}
+
+					ByteArrayOutputStream os = new ByteArrayOutputStream();
+					workBook.write(os);
+					Filedownload.save(os.toByteArray(), "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "temp" + Long.toString(System.nanoTime()) + ".xlsx");
+//					//Filedownload.save(tempFile, "application/vnd.ms-excel");
+				}
+			}
+		});
+	}
+
+	@Override
+	public void service(AuRequest request, boolean everError) {
+		super.service(request, everError);
+	}
 
 	@Override
 	public void setSort(String type) {
-		
 		if (type.startsWith("czech"))
 		{
 			// czech(propertyName)
@@ -21,5 +178,4 @@ public class CzechSortListheader extends Listheader {
 			super.setSort(type);
 		}
 	}
-
 }

src/main/webapp/WEB-INF/locales/zk-label.properties

@@ -429,5 +429,6 @@ ErrApproveMustBeSigned = Schválení musí být digitálně podepsané.
 DigitalSignature = Elektronický podpis
 ContextMenu = Volby v kontextovém menu
 
+ExportToExcel = Exportovat do excelu
 ErrMaterialOrServiceDescription=Zadejte popis požadavku.