jrviewermod.java

是一个专门设计用于触摸屏的POS(point of sales)应用软件

			btnFitPage.setSelected(false);
			btnFitWidth.setSelected(false);

			setZoomRatio(1);
		}
    }//GEN-LAST:event_btnActualSizeActionPerformed

    private void btnFitWidthActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnFitWidthActionPerformed
        // Add your handling code here:
		if (btnFitWidth.isSelected())
		{
			btnActualSize.setSelected(false);
			btnFitPage.setSelected(false);

			setZoomRatio(((float)pnlInScroll.getVisibleRect().getWidth() - 20f) / (float)jasperPrint.getPageWidth());
		}
    }//GEN-LAST:event_btnFitWidthActionPerformed

    private void btnFitPageActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnFitPageActionPerformed
        // Add your handling code here:
		if (btnFitPage.isSelected())
		{
			btnActualSize.setSelected(false);
			btnFitWidth.setSelected(false);

			setZoomRatio(((float)pnlInScroll.getVisibleRect().getHeight() - 20f) / (float)jasperPrint.getPageHeight());
		}
    }//GEN-LAST:event_btnFitPageActionPerformed

    private void btnSaveActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnSaveActionPerformed
		// Add your handling code here:
		
		JFileChooser fileChooser = new JFileChooser();

		FileFilter jrprintFileFilter = 
			new FileFilter()
			{
				public boolean accept(File file)
				{
					if (file.isDirectory())
						return true;
					else
						return file.getName().toLowerCase().endsWith(".jrprint");
				}
				
				public String getDescription(){ return "JasperReports (*.jrprint)"; }
			};
		fileChooser.addChoosableFileFilter(jrprintFileFilter);

		JRSaveContributor pdfSaveContrib = null;
		try 
		{
			Class pdfSaveContribClass = JRClassLoader.loadClassForName("net.sf.jasperreports.view.save.JRPdfSaveContributor");
			pdfSaveContrib = (JRSaveContributor)pdfSaveContribClass.newInstance();
			fileChooser.addChoosableFileFilter(pdfSaveContrib);
		}
		catch (Exception e)
		{
		}
	
		JRSaveContributor htmlSaver = null;
		try 
		{
			Class htmlSaverClass = JRClassLoader.loadClassForName("net.sf.jasperreports.view.save.JRHtmlSaveContributor");
			htmlSaver = (JRSaveContributor)htmlSaverClass.newInstance();
			fileChooser.addChoosableFileFilter(htmlSaver);
		}
		catch (Exception e)
		{
		}
	
		JRSaveContributor xlsSingleSheetSaver = null;
		try 
		{
			Class xlsSingleSheetSaverClass = JRClassLoader.loadClassForName("net.sf.jasperreports.view.save.JRSingleSheetXlsSaveContributor");
			xlsSingleSheetSaver = (JRSaveContributor)xlsSingleSheetSaverClass.newInstance();
			fileChooser.addChoosableFileFilter(xlsSingleSheetSaver);
		}
		catch (Exception e)
		{
		}
	
		JRSaveContributor xlsMultipleSheetsSaver = null;
		try 
		{
			Class xlsMultipleSheetsSaverClass = JRClassLoader.loadClassForName("net.sf.jasperreports.view.save.JRMultipleSheetsXlsSaveContributor");
			xlsMultipleSheetsSaver = (JRSaveContributor)xlsMultipleSheetsSaverClass.newInstance();
			fileChooser.addChoosableFileFilter(xlsMultipleSheetsSaver);
		}
		catch (Exception e)
		{
		}
	
		JRSaveContributor csvSaver = null;
		try 
		{
			Class csvSaverClass = JRClassLoader.loadClassForName("net.sf.jasperreports.view.save.JRCsvSaveContributor");
			csvSaver = (JRSaveContributor)csvSaverClass.newInstance();
			fileChooser.addChoosableFileFilter(csvSaver);
		}
		catch (Exception e)
		{
		}
	
		JRSaveContributor xmlSaver = null;
		try 
		{
			Class xmlSaverClass = JRClassLoader.loadClassForName("net.sf.jasperreports.view.save.JRXmlSaveContributor");
			xmlSaver = (JRSaveContributor)xmlSaverClass.newInstance();
			fileChooser.addChoosableFileFilter(xmlSaver);
		}
		catch (Exception e)
		{
		}
	
		JRSaveContributor xmlEmbeddedImagesSaver = null;
		try 
		{
			Class xmlEmbeddedImagesSaverClass = JRClassLoader.loadClassForName("net.sf.jasperreports.view.save.JREmbeddedImagesXmlSaveContributor");
			xmlEmbeddedImagesSaver = (JRSaveContributor)xmlEmbeddedImagesSaverClass.newInstance();
			fileChooser.addChoosableFileFilter(xmlEmbeddedImagesSaver);
		}
		catch (Exception e)
		{
		}

		fileChooser.setFileFilter(jrprintFileFilter);
	
		int retValue = fileChooser.showSaveDialog(this);
		if (retValue == JFileChooser.APPROVE_OPTION)
		{
			FileFilter fileFilter = fileChooser.getFileFilter();
			File file = fileChooser.getSelectedFile();
			String lowerCaseFileName = file.getName().toLowerCase();
			
			try
			{
				if (fileFilter == jrprintFileFilter)
				{
					JRSaver.saveObject(jasperPrint, file);
				}
				else if (fileFilter instanceof JRSaveContributor)
				{
					((JRSaveContributor)fileFilter).save(jasperPrint, file);
				}
				else
				{
					if (lowerCaseFileName.endsWith(".jrprint"))
					{
						JRSaver.saveObject(jasperPrint, file);
					}
					else if (
						lowerCaseFileName.endsWith(".pdf") 
						&& pdfSaveContrib != null
						)
					{
						pdfSaveContrib.save(jasperPrint, file);
					}
					else if (
						(lowerCaseFileName.endsWith(".html") 
						|| lowerCaseFileName.endsWith(".htm"))
						&& htmlSaver != null
						)
					{
						htmlSaver.save(jasperPrint, file);
					}
					else if (
						lowerCaseFileName.endsWith(".xls")
						&& xlsSingleSheetSaver != null
						)
					{
						xlsSingleSheetSaver.save(jasperPrint, file);
					}
					else if (
						lowerCaseFileName.endsWith(".csv")
						&& csvSaver != null
						)
					{
						csvSaver.save(jasperPrint, file);
					}
					else if (
						lowerCaseFileName.endsWith(".xml") 
						|| lowerCaseFileName.endsWith(".jrpxml")
						&& xmlSaver != null
						)
					{
						xmlSaver.save(jasperPrint, file);
					}
					else
					{
						JRSaver.saveObject(jasperPrint, fileChooser.getSelectedFile());
					}
				}
			}
			catch (JRException e)
			{
				e.printStackTrace();
				JOptionPane.showMessageDialog(null, m_messages.getString("message.jrerrorsaving"));
			}
		}
    }//GEN-LAST:event_btnSaveActionPerformed

    private void pnlLinksMouseDragged(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pnlLinksMouseDragged
		// Add your handling code here:

		Container container = pnlInScroll.getParent();
		if (container instanceof JViewport)
		{
			JViewport viewport = (JViewport) container;
			Point point = viewport.getViewPosition();
			int newX = point.x - (evt.getX() - downX);
			int newY = point.y - (evt.getY() - downY);
			
			int maxX = pnlInScroll.getWidth() - viewport.getWidth();
			int maxY = pnlInScroll.getHeight() - viewport.getHeight();

			if (newX < 0)
			{
				newX = 0;
			}
			if (newX > maxX)
			{
				newX = maxX;
			}
			if (newY < 0)
			{
				newY = 0;
			}
			if (newY > maxY)
			{
				newY = maxY;
			}
			
			viewport.setViewPosition(new Point(newX, newY));
		}
    }//GEN-LAST:event_pnlLinksMouseDragged

    private void pnlLinksMouseReleased(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pnlLinksMouseReleased
		// Add your handling code here:
		pnlLinks.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
    }//GEN-LAST:event_pnlLinksMouseReleased

    private void pnlLinksMousePressed(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pnlLinksMousePressed
		// Add your handling code here:
		pnlLinks.setCursor(new Cursor(Cursor.MOVE_CURSOR));
		
		downX = evt.getX();
		downY = evt.getY();
    }//GEN-LAST:event_pnlLinksMousePressed

	private void btnPrintActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnPrintActionPerformed
	{//GEN-HEADEREND:event_btnPrintActionPerformed
		// Add your handling code here:
		
		Thread thread = 
			new Thread(
				new Runnable()
				{
					public void run()
					{
						try 
						{
							JasperPrintManager.printReport(jasperPrint, true);
						}
						catch (Exception ex) 
						{
							ex.printStackTrace();
							JOptionPane.showMessageDialog(null, m_messages.getString("message.jrerrorprinting"));
						}
					}
				}
			);
		
		thread.start();

	}//GEN-LAST:event_btnPrintActionPerformed

    private void btnLastActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnLastActionPerformed
    {//GEN-HEADEREND:event_btnLastActionPerformed
		// Add your handling code here:
		setPageIndex(jasperPrint.getPages().size() - 1);
		refreshPage();
    }//GEN-LAST:event_btnLastActionPerformed

    private void btnNextActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnNextActionPerformed
    {//GEN-HEADEREND:event_btnNextActionPerformed
		// Add your handling code here:
		setPageIndex(pageIndex + 1);
		refreshPage();
    }//GEN-LAST:event_btnNextActionPerformed

    private void btnPreviousActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnPreviousActionPerformed
    {//GEN-HEADEREND:event_btnPreviousActionPerformed
		// Add your handling code here:
		setPageIndex(pageIndex - 1);
		refreshPage();
    }//GEN-LAST:event_btnPreviousActionPerformed

    private void btnFirstActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnFirstActionPerformed
    {//GEN-HEADEREND:event_btnFirstActionPerformed
		// Add your handling code here:
		setPageIndex(0);
		refreshPage();
    }//GEN-LAST:event_btnFirstActionPerformed

    private void btnReloadActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnReloadActionPerformed
    {//GEN-HEADEREND:event_btnReloadActionPerformed
		// Add your handling code here:
		if (type == TYPE_FILE_NAME)
		{
			try
			{
				loadReport(reportFileName, isXML);
			}
			catch (JRException e)
			{
				e.printStackTrace();

				jasperPrint = null;
				setPageIndex(0);
				refreshPage();

				JOptionPane.showMessageDialog(this, m_messages.getString("message.jrerrorloading"));
			}

			setPageIndex(0);
			zoom = 0;//force pageRefresh()
			setZoomRatio(1);
		}
    }//GEN-LAST:event_btnReloadActionPerformed

    private void btnZoomInActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnZoomInActionPerformed
    {//GEN-HEADEREND:event_btnZoomInActionPerformed
		// Add your handling code here:
		btnActualSize.setSelected(false);
		btnFitPage.setSelected(false);
		btnFitWidth.setSelected(false);

		int newZoomInt = (int)(100 * getZoomRatio());
		int index = Arrays.binarySearch(zooms, newZoomInt);
		if (index < 0)
		{
			setZoomRatio((float)zooms[- index - 1] / 100f);
		}
		else if (index < cmbZoom.getModel().getSize() - 1)
		{
			setZoomRatio((float)zooms[index + 1] / 100f);
		}
    }//GEN-LAST:event_btnZoomInActionPerformed

    private void btnZoomOutActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnZoomOutActionPerformed
    {//GEN-HEADEREND:event_btnZoomOutActionPerformed
		// Add your handling code here:
		btnActualSize.setSelected(false);
		btnFitPage.setSelected(false);
		btnFitWidth.setSelected(false);

		int newZoomInt = (int)(100 * getZoomRatio());
		int index = Arrays.binarySearch(zooms, newZoomInt);
		if (index > 0)
		{
			setZoomRatio((float)zooms[index - 1] / 100f);
		}
		else if (index < -1)
		{
			setZoomRatio((float)zooms[- index - 2] / 100f);
		}
    }//GEN-LAST:event_btnZoomOutActionPerformed

    private void cmbZoomActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_cmbZoomActionPerformed
    {//GEN-HEADEREND:event_cmbZoomActionPerformed
		// Add your handling code here:
		float newZoom = getZoomRatio();
		
		if (newZoom < MIN_ZOOM)
		{
			newZoom = MIN_ZOOM;
		}
		
		if (newZoom > MAX_ZOOM)