code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/PermissionsList.java

   1 /*
   2  * Copyright 2008, 2009 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.ebs.gss.client;
  20
  21 import gr.ebs.gss.client.FilePropertiesDialog.Images;
  22 import gr.ebs.gss.client.commands.GetUserCommand;
  23 import gr.ebs.gss.client.rest.resource.PermissionHolder;
  24
  25 import java.util.HashSet;
  26 import java.util.Set;
  27
  28 import com.google.gwt.event.dom.client.ClickEvent;
  29 import com.google.gwt.event.dom.client.ClickHandler;
  30 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  31 import com.google.gwt.user.client.ui.CheckBox;
  32 import com.google.gwt.user.client.ui.Composite;
  33 import com.google.gwt.user.client.ui.FlexTable;
  34 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  35 import com.google.gwt.user.client.ui.PushButton;
  36 import com.google.gwt.user.client.ui.VerticalPanel;
  37
  38
  39 /**
  40  * @author kman
  41  *
  42  */
  43 public class PermissionsList extends Composite {
  44
  45         int selectedRow = -1;
  46         int permissionCount=-1;
  47         Set<PermissionHolder> permissions = null;
  48         final Images images;
  49         final VerticalPanel permPanel = new VerticalPanel();
  50         final FlexTable permTable = new FlexTable();
  51         final String owner;
  52         PermissionHolder toRemove = null;
  53         private boolean hasChanges = false;
  54         private boolean hasAddition = false;
  55
  56         public PermissionsList(final Images theImages, Set<PermissionHolder> thePermissions, String anOwner){
  57                 images = theImages;
  58                 owner = anOwner;
  59                 permissions =  new HashSet<PermissionHolder>();
  60                 permissions.addAll(thePermissions);
  61                 permTable.setText(0, 0, "Users/Groups");
  62                 permTable.setText(0, 1, "Read");
  63                 permTable.setText(0, 2, "Write");
  64                 permTable.setText(0, 3, "Modify Access");
  65                 permTable.setText(0, 4, "");
  66                 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
  67                 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
  68                 permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
  69                 permTable.getFlexCellFormatter().setStyleName(0, 3, "props-toplabels");
  70                 permPanel.add(permTable);
  71                 permPanel.addStyleName("gss-TabPanelBottom");
  72                 initWidget(permPanel);
  73                 updateTable();
  74         }
  75
  76         public boolean hasChanges(){
  77                 return hasChanges || hasAddition;
  78         }
  79
  80
  81         public void updateTable(){
  82                 int i=1;
  83                 if(toRemove != null){
  84                         permissions.remove(toRemove);
  85                         toRemove = null;
  86                 }
  87                 for(final PermissionHolder dto : permissions){
  88
  89                         PushButton removeButton = new PushButton(AbstractImagePrototype.create(images.delete()).createImage(), new ClickHandler() {
  90                                 @Override
  91                                 public void onClick(ClickEvent event) {
  92                                         toRemove = dto;
  93                                         updateTable();
  94                                         hasChanges = true;
  95                                 }
  96                         });
  97
  98                         if(dto.getUser() !=null)
  99                                 if(dto.getUser()!=null && dto.getUser().equals(owner)){
 100                                         permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permUser()).getHTML() + "&nbsp;Owner</span>");
 101                                         removeButton.setVisible(false);
 102                                 }
 103                                 else{
 104                                         if(GSS.get().findUserFullName(dto.getUser()) == null){
 105                                                 GetUserCommand guc = new GetUserCommand(dto.getUser());
 106                                                 guc.execute();
 107                                                 GSS.get().putUserToMap(dto.getUser(), dto.getUser());
 108                                         }
 109                                         permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permUser()).getHTML() + "&nbsp;"+ GSS.get().findUserFullName(dto.getUser()) +"</span>");
 110                                 }
 111                         else if(dto.getGroup() != null)
 112                                 permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permGroup()).getHTML() + "&nbsp;"+dto.getGroup()+"</span>");
 113                         CheckBox read = new CheckBox();
 114                         read.setValue(dto.isRead());
 115                         CheckBox write = new CheckBox();
 116                         write.setValue(dto.isWrite());
 117                         CheckBox modify = new CheckBox();
 118                         modify.setValue(dto.isModifyACL());
 119                         if (dto.getUser()!=null && dto.getUser().equals(owner)) {
 120                                 read.setEnabled(false);
 121                                 write.setEnabled(false);
 122                                 modify.setEnabled(false);
 123                         }
 124                         permTable.setWidget(i, 1, read);
 125                         permTable.setWidget(i, 2, write);
 126                         permTable.setWidget(i, 3, modify);
 127                         permTable.setWidget(i, 4, removeButton);
 128                         permTable.getFlexCellFormatter().setStyleName(i, 0, "props-labels");
 129                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
 130                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 2, HasHorizontalAlignment.ALIGN_CENTER);
 131                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 3, HasHorizontalAlignment.ALIGN_CENTER);
 132                         i++;
 133                 }
 134                 for(; i<permTable.getRowCount(); i++)
 135                         permTable.removeRow(i);
 136                 hasChanges = false;
 137
 138         }
 139
 140         public void updatePermissionsAccordingToInput(){
 141                 int i=1;
 142                 for(PermissionHolder dto : permissions){
 143                         /*if(dto.getId() == null)
 144                                 hasChanges =true;*/
 145                         CheckBox r = (CheckBox) permTable.getWidget(i, 1);
 146                         CheckBox w = (CheckBox) permTable.getWidget(i, 2);
 147                         CheckBox m = (CheckBox) permTable.getWidget(i, 3);
 148                         if(dto.isRead() != r.getValue() || dto.isWrite() != w.getValue() || dto.isModifyACL() != m.getValue())
 149                                 hasChanges = true;
 150                         dto.setRead(r.getValue());
 151                         dto.setWrite(w.getValue());
 152                         dto.setModifyACL(m.getValue());
 153                         i++;
 154                 }
 155         }
 156
 157
 158         /**
 159          * Retrieve the permissions.
 160          *
 161          * @return the permissions
 162          */
 163         public Set<PermissionHolder> getPermissions() {
 164                 return permissions;
 165         }
 166
 167         public void addPermission(PermissionHolder permission){
 168                 permissions.add(permission);
 169                 hasAddition = true;
 170         }
 171
 172
 173 }