--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/mpiwg/web/BranchEditor.java	Tue Mar 10 14:50:41 2015 +0100
@@ -0,0 +1,187 @@
+package de.mpiwg.web;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.faces.event.ActionEvent;
+
+import org.apache.commons.lang.SerializationUtils;
+import org.apache.log4j.Logger;
+
+import de.mpiwg.gazetteer.bo.LGBranch;
+import de.mpiwg.gazetteer.bo.LGFile;
+import de.mpiwg.gazetteer.dataverse.DataverseUtils;
+import de.mpiwg.gazetteer.dataverse.bo.VDCUser;
+import de.mpiwg.gazetteer.utils.DataProvider;
+import de.mpiwg.gazetteer.utils.FileManager;
+import de.mpiwg.gazetteer.utils.SelectableObject;
+
+public class BranchEditor extends AbstractBean{
+
+
+	private static Logger logger = Logger.getLogger(BranchEditor.class);
+	
+	private LGBranch currentBranch;
+	private LGFile currentLastFile;
+	private List<LGFile> allFiles;
+	private String text;
+	private List<VDCUser> suggestionUserList;
+	private List<SelectableObject<VDCUser>> contributors;
+	
+	public void loadBranch(Long branchId){
+		LGBranch branch = DataProvider.getInstance().getBranch(branchId);
+		this.loadBranch(branch);
+	}
+	
+	public void loadBranch(LGBranch branch){
+		logger.info("Loading Branch: " + branch.toString());
+		this.reset();
+		if(branch != null && branch.isPersistent()){
+			
+			try {
+				this.currentBranch = (LGBranch)branch.clone();
+				this.currentLastFile = DataProvider.getInstance().getFile(branch.getCurrentLastFileId());
+				this.allFiles = DataProvider.getInstance().getAllFiles(branch.getId());
+				this.text = FileManager.getFile(this.currentLastFile);
+				this.contributors = new ArrayList<SelectableObject<VDCUser>>();
+				for(Long userId : this.currentBranch.getContributorsList()){
+					VDCUser user = DataverseUtils.getUser(userId);
+					if(user != null){
+						this.contributors.add(new SelectableObject<VDCUser>(user));
+					}
+					
+				}
+				//for(this.currentBranch.getContributorsList())
+			} catch (Exception e) {
+				internalError(e);
+			}
+			
+			logger.info("allFiles.size=" + allFiles.size());
+		}
+	}
+	
+	public void reset(){
+		this.currentBranch = null;
+		this.currentLastFile = null;
+		this.allFiles = null;
+	}
+	
+	public void listenerShowContributorsDialog(ActionEvent event){
+		this.suggestionUserList = new ArrayList<VDCUser>();
+		try {
+			for(VDCUser user : DataverseUtils.getAllUsers()){
+				if(!currentBranch.hasContributor(user.getId())){
+					this.suggestionUserList.add(user);
+				}
+			}
+		} catch (Exception e) {
+			internalError(e);
+		}
+		
+		
+	}
+	
+	public void listenerCloseContributorsDialog(ActionEvent event){
+		this.suggestionUserList = null;
+	}
+	
+	public void listenerUpdateBranch(ActionEvent event){
+		this.saveBranch0();
+	}
+	
+	public void listenerAddContributor(ActionEvent event){
+		VDCUser user = (VDCUser)getRequestBean("contributor");
+		if(user != null){
+			this.suggestionUserList = null;
+			this.currentBranch.addContributor(user.getId());
+		}
+		
+		this.saveBranch0();
+	}
+	
+	public void listenerRemoveContributor(ActionEvent event){
+		List<VDCUser> toDelete = new ArrayList<VDCUser>();
+		for(SelectableObject<VDCUser> so : new ArrayList<SelectableObject<VDCUser>>(this.contributors)){
+			if(so.isSelected()){
+				toDelete.add(so.getObj());
+				this.contributors.remove(so);
+			}
+		}
+		
+		for(VDCUser user : toDelete){
+			this.currentBranch.removeContributor(user.getId());
+		}
+		
+		this.saveBranch0();
+		
+	}
+	
+	private void saveBranch0(){
+		try {
+			DataProvider.getInstance().updateBranch(currentBranch);
+			this.loadBranch(currentBranch);
+			addMsg("The branch has been updated!");
+		} catch (Exception e) {
+			internalError(e);
+		}
+	}
+	
+	public void listenerSaveText(ActionEvent event){
+		try {
+			LGFile newFile = DataProvider.getInstance().saveFile(currentBranch.getId(), this.text, getSessionBean().getUser().getId(), this.currentLastFile.getId());
+			LGBranch branch = DataProvider.getInstance().getBranch(newFile.getBranchId());
+			this.loadBranch(branch);
+			addMsg("New File create " + newFile.getId());
+		} catch (Exception e) {
+			internalError(e);
+		}
+	}
+	
+	public LGBranch getCurrentBranch() {
+		return currentBranch;
+	}
+
+	public void setCurrentBranch(LGBranch currentBranch) {
+		this.currentBranch = currentBranch;
+	}
+
+	public LGFile getCurrentLastFile() {
+		return currentLastFile;
+	}
+
+	public void setCurrentLastFile(LGFile currentLastFile) {
+		this.currentLastFile = currentLastFile;
+	}
+
+	public List<LGFile> getAllFiles() {
+		return allFiles;
+	}
+
+	public void setAllFiles(List<LGFile> allFiles) {
+		this.allFiles = allFiles;
+	}
+
+	public String getText() {
+		return text;
+	}
+
+	public void setText(String text) {
+		this.text = text;
+	}
+
+	public List<VDCUser> getSuggestionUserList() {
+		return suggestionUserList;
+	}
+
+	public void setSuggestionUserList(List<VDCUser> suggestionUserList) {
+		this.suggestionUserList = suggestionUserList;
+	}
+
+	public List<SelectableObject<VDCUser>> getContributors() {
+		return contributors;
+	}
+
+	public void setContributors(List<SelectableObject<VDCUser>> contributors) {
+		this.contributors = contributors;
+	}	
+}