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import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import javax.swing.tree.DefaultMutableTreeNode;
import jxl.*;
import jxl.write.*;
import javax.swing.*;
public class XLS_Generator {
public String xlssourcepath = null;
public String xlssourcedestination=null;
public boolean success=false;
private int nbelements=0;
public Workbook sourcedoc=null;
public WritableWorkbook destdoc=null;
private WritableSheet worksheet=null;
public boolean proceedconfirmation=true;
private int i=0;
public XLS_Generator (String source, String destination, DefaultMutableTreeNode rootnode) throws WriteException, IOException {
this.xlssourcedestination=destination;
this.xlssourcepath=source;
try {
this.sourcedoc= Workbook.getWorkbook(new File(source));
this.destdoc = Workbook.createWorkbook(new File(destination),this.sourcedoc);
this.worksheet=this.destdoc.getSheet(0);
}
catch (Exception e) {
JOptionPane.showMessageDialog(null, e.getMessage(),"XLS report generator",JOptionPane.ERROR_MESSAGE);
e.printStackTrace();
}
initialize(rootnode,0);
this.destdoc.write();
this.destdoc.close();
}
private boolean initialize(DefaultMutableTreeNode node, int i) throws IOException, WriteException { //this method initializes the xls report by writing the first line that corresponds to the titles of the columns in the document
if (proceedconfirmation) {
Integer level=this.i+1;
String levelmsg=level.toString();
switch (level) {
case 1 : levelmsg="first"; break;
case 2 : levelmsg="second"; break;
case 3 : levelmsg="third"; break;
default : levelmsg+="th";
}
int response = JOptionPane.showConfirmDialog(null, "Please select a generic name for your " +levelmsg + "-level categories","XLS Generator",JOptionPane.OK_CANCEL_OPTION);
if (response==JOptionPane.OK_OPTION) {
if (node.getChildAt(0).isLeaf()==false) {
String generalcategory = JOptionPane.showInputDialog(null,"Name for " +levelmsg +" level-category name:");
// WritableCell cat_cell = this.worksheet.getWritableCell(this.i,25);
// Label cat_lbl = (Label) cat_cell;
//cat_lbl.setString(generalcategory);
this.worksheet.addCell(new Label(i,25,generalcategory));
this.worksheet.addCell(new Label(i+1,25,"%"));
this.destdoc.write();
DefaultMutableTreeNode child = (DefaultMutableTreeNode) node.getChildAt(0);
if(child.getChildAt(0).isLeaf()==false) {
initialize (child,i+2);
}
}
}
}
if (response==JOptionPane.CANCEL_OPTION) {
JOptionPane.showMessageDialog(null, "The xls won't be generated");
this.proceedconfirmation=false;
}
}
return proceedconfirmation;
}
} |
Exception ClassCast avec WritableCell dans JExcel
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