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.rest.resource.PermissionHolder;
  23
  24 import java.util.HashSet;
  25 import java.util.Set;
  26
  27 import com.google.gwt.user.client.ui.CheckBox;
  28 import com.google.gwt.user.client.ui.ClickListener;
  29 import com.google.gwt.user.client.ui.Composite;
  30 import com.google.gwt.user.client.ui.FlexTable;
  31 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  32 import com.google.gwt.user.client.ui.PushButton;
  33 import com.google.gwt.user.client.ui.VerticalPanel;
  34 import com.google.gwt.user.client.ui.Widget;
  35
  36
  37 /**
  38  * @author kman
  39  *
  40  */
  41 public class PermissionsList extends Composite {
  42
  43         int selectedRow = -1;
  44         int permissionCount=-1;
  45         Set<PermissionHolder> permissions = null;
  46         final Images images;
  47         final VerticalPanel permPanel = new VerticalPanel();
  48         final FlexTable permTable = new FlexTable();
  49         final String owner;
  50         PermissionHolder toRemove = null;
  51         private boolean hasChanges = false;
  52         private boolean hasAddition = false;
  53
  54         public PermissionsList(final Images images, Set<PermissionHolder> permissions, String owner){
  55                 this.images = images;
  56                 this.owner = owner;
  57                 this.permissions =  new HashSet<PermissionHolder>();
  58                 this.permissions.addAll(permissions);
  59                 permTable.setText(0, 0, "Users/Groups");
  60                 permTable.setText(0, 1, "Read");
  61                 permTable.setText(0, 2, "Write");
  62                 permTable.setText(0, 3, "Modify Access");
  63                 permTable.setText(0, 4, "");
  64                 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
  65                 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
  66                 permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
  67                 permTable.getFlexCellFormatter().setStyleName(0, 3, "props-toplabels");
  68                 permPanel.add(permTable);
  69                 permPanel.addStyleName("gwt-TabPanelBottom");
  70                 initWidget(permPanel);
  71                 updateTable();
  72         }
  73
  74         public boolean hasChanges(){
  75                 return hasChanges || hasAddition;
  76         }
  77
  78
  79         public void updateTable(){
  80                 int i=1;
  81                 if(toRemove != null){
  82                         permissions.remove(toRemove);
  83                         toRemove = null;
  84                 }
  85                 for(final PermissionHolder dto : permissions){
  86
  87                         PushButton removeButton = new PushButton(images.delete().createImage(), new ClickListener() {
  88
  89                                 public void onClick(Widget sender) {
  90                                         toRemove = dto;
  91                                         updateTable();
  92                                         hasChanges = true;
  93                                 }
  94                         });
  95
  96                         if(dto.getUser() !=null)
  97                                 if(dto.getUser()!=null && dto.getUser().equals(owner)){
  98                                         permTable.setHTML(i, 0, "<span>" + images.permUser().getHTML() + "&nbsp;Owner</span>");
  99                                         removeButton.setVisible(false);
 100                                 }
 101                                 else
 102                                         permTable.setHTML(i, 0, "<span>" + images.permUser().getHTML() + "&nbsp;"+dto.getUser()+"</span>");
 103                         else if(dto.getGroup() != null)
 104                                 permTable.setHTML(i, 0, "<span>" + images.permGroup().getHTML() + "&nbsp;"+dto.getGroup()+"</span>");
 105                         CheckBox read = new CheckBox();
 106                         read.setChecked(dto.isRead());
 107                         CheckBox write = new CheckBox();
 108                         write.setChecked(dto.isWrite());
 109                         CheckBox modify = new CheckBox();
 110                         modify.setChecked(dto.isModifyACL());
 111                         if (dto.getUser()!=null && dto.getUser().equals(owner)) {
 112                                 read.setEnabled(false);
 113                                 write.setEnabled(false);
 114                                 modify.setEnabled(false);
 115                         }
 116                         permTable.setWidget(i, 1, read);
 117                         permTable.setWidget(i, 2, write);
 118                         permTable.setWidget(i, 3, modify);
 119                         permTable.setWidget(i, 4, removeButton);
 120                         permTable.getFlexCellFormatter().setStyleName(i, 0, "props-labels");
 121                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
 122                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 2, HasHorizontalAlignment.ALIGN_CENTER);
 123                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 3, HasHorizontalAlignment.ALIGN_CENTER);
 124                         i++;
 125                 }
 126                 for(; i<permTable.getRowCount(); i++)
 127                         permTable.removeRow(i);
 128                 hasChanges = false;
 129
 130         }
 131
 132         public void updatePermissionsAccordingToInput(){
 133                 int i=1;
 134                 for(PermissionHolder dto : permissions){
 135                         /*if(dto.getId() == null)
 136                                 hasChanges =true;*/
 137                         CheckBox r = (CheckBox) permTable.getWidget(i, 1);
 138                         CheckBox w = (CheckBox) permTable.getWidget(i, 2);
 139                         CheckBox m = (CheckBox) permTable.getWidget(i, 3);
 140                         if(dto.isRead() != r.isChecked() || dto.isWrite() != w.isChecked() || dto.isModifyACL() != m.isChecked())
 141                                 hasChanges = true;
 142                         dto.setRead(r.isChecked());
 143                         dto.setWrite(w.isChecked());
 144                         dto.setModifyACL(m.isChecked());
 145                         i++;
 146                 }
 147         }
 148
 149
 150         /**
 151          * Retrieve the permissions.
 152          *
 153          * @return the permissions
 154          */
 155         public Set<PermissionHolder> getPermissions() {
 156                 return permissions;
 157         }
 158
 159         public void addPermission(PermissionHolder permission){
 160                 permissions.add(permission);
 161                 hasAddition = true;
 162         }
 163
 164
 165 }