fix exception when files is removed (should fix #1755)

diff --git a/src/de/todesbaum/jsite/gui/ProjectFilesPage.java b/src/de/todesbaum/jsite/gui/ProjectFilesPage.java
index d8bac9c..4ae819f 100644 (file)
--- a/src/de/todesbaum/jsite/gui/ProjectFilesPage.java
+++ b/src/de/todesbaum/jsite/gui/ProjectFilesPage.java
@@ -31,8 +31,11 @@ import java.awt.event.KeyEvent;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Set;
+import java.util.Map.Entry;
 
 import javax.swing.AbstractAction;
 import javax.swing.Action;
@@ -400,13 +403,17 @@ public class ProjectFilesPage extends TWizardPage implements ActionListener, Lis
                                        rebuildContainerComboBox();
                                }
                        });
+                       Set<String> entriesToRemove = new HashSet<String>();
                        Iterator<String> filenames = project.getFileOptions().keySet().iterator();
                        while (filenames.hasNext()) {
                                String filename = filenames.next();
                                if (!files.contains(filename)) {
-                                       project.setFileOption(filename, null);
+                                       entriesToRemove.add(filename);
                                }
                        }
+                       for (String filename: entriesToRemove) {
+                               project.setFileOption(filename, null);
+                       }
                } else {
                        JOptionPane.showMessageDialog(wizard, I18n.getMessage("jsite.project-files.scan-error"), null, JOptionPane.ERROR_MESSAGE);
                }