package is.idega.idegaweb.project.presentation;

import com.idega.idegaweb.IWResourceBundle;
import com.idega.presentation.Block;
import com.idega.presentation.IWContext;
import com.idega.presentation.Image;
import com.idega.presentation.Page;
import com.idega.presentation.text.Link;
import is.idega.idegaweb.project.business.ProjectBusiness;
import com.idega.idegaweb.IWUserContext;

/**
 * Title:        IW Project
 * Description:
 * Copyright:    Copyright (c) 2001
 * Company:      idega
 * @author <a href="gummi@idega.is">Gu�mundur �g�st S�mundsson</a>
 * @version 1.0
 */

public class ProjectModificationLink extends Block {

  protected Link modifyProjectLink = null;
  protected Image optionalImage = null;
  public static final String _PROJECT_BUNDLE_IDENTIFIER = "is.idega.idegaweb.project";


  public ProjectModificationLink() {
    super();
  }

  public String getBundleIdentifier(){
    return _PROJECT_BUNDLE_IDENTIFIER;
  }

  public void setImage(Image image){
    optionalImage = image;
  }


  public synchronized Object clonePermissionChecked(IWUserContext iwc, boolean askForPermission){
    if(askForPermission){
      if(iwc.hasViewPermission(this) || this.isOwnerOfProject(iwc)){
        return this.clone();
      } else {
        return NULL_CLONE_OBJECT;
      }
    } else {
      return this.clone();
    }
  }

  /**
   * @todo reimplement
   */
  public boolean isOwnerOfProject(IWUserContext iwc){
    Page p = this.getParentPage();
    if(p != null){
      try {
        return iwc.getAccessController().isOwner(p,iwc);
      }
      catch (Exception ex) {
        System.err.println(ex.getMessage());
        return false;
      }
    } else {
      return false;
    }
  }


  public void main(IWContext iwc) throws Exception {
    //IWBundle core = iwc.getApplication().getBundle(IW_CORE_BUNDLE_IDENTIFIER);
    this.empty();


    if(optionalImage != null){
      modifyProjectLink = new Link(optionalImage);
    } else {
      IWResourceBundle iwrb = this.getResourceBundle(iwc);
      Image tmp = iwrb.getImage("modify_project.gif","modify project");
      if(tmp != null){
        modifyProjectLink = new Link(tmp);
      } else {
        modifyProjectLink = new Link("*");
      }
    }

    modifyProjectLink.setName("modify project");
    modifyProjectLink.setWindowToOpen(IPProjectCreator.class);
    modifyProjectLink.addParameter(IPProjectCreator._PRM_UPDATE,"true");
    modifyProjectLink.addParameter(IPProjectCreator._PRM_INSTANCE_ID, ProjectBusiness.getCurrentProjectId(iwc));
    this.add(modifyProjectLink);

  }


}