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.event.dom.client.ClickEvent;
  28 import com.google.gwt.event.dom.client.ClickHandler;
  29 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  30 import com.google.gwt.user.client.ui.CheckBox;
  31 import com.google.gwt.user.client.ui.Composite;
  32 import com.google.gwt.user.client.ui.FlexTable;
  33 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  34 import com.google.gwt.user.client.ui.PushButton;
  35 import com.google.gwt.user.client.ui.VerticalPanel;
  36
  37
  38 /**
  39  * @author kman
  40  *
  41  */
  42 public class PermissionsList extends Composite {
  43
  44         int selectedRow = -1;
  45         int permissionCount=-1;
  46         Set<PermissionHolder> permissions = null;
  47         final Images images;
  48         final VerticalPanel permPanel = new VerticalPanel();
  49         final FlexTable permTable = new FlexTable();
  50         final String owner;
  51         PermissionHolder toRemove = null;
  52         private boolean hasChanges = false;
  53         private boolean hasAddition = false;
  54
  55         public PermissionsList(final Images theImages, Set<PermissionHolder> thePermissions, String anOwner){
  56                 images = theImages;
  57                 owner = anOwner;
  58                 permissions =  new HashSet<PermissionHolder>();
  59                 permissions.addAll(thePermissions);
  60                 permTable.setText(0, 0, "Users/Groups");
  61                 permTable.setText(0, 1, "Read");
  62                 permTable.setText(0, 2, "Write");
  63                 permTable.setText(0, 3, "Modify Access");
  64                 permTable.setText(0, 4, "");
  65                 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
  66                 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
  67                 permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
  68                 permTable.getFlexCellFormatter().setStyleName(0, 3, "props-toplabels");
  69                 permPanel.add(permTable);
  70                 permPanel.addStyleName("gss-TabPanelBottom");
  71                 initWidget(permPanel);
  72                 updateTable();
  73         }
  74
  75         public boolean hasChanges(){
  76                 return hasChanges || hasAddition;
  77         }
  78
  79
  80         public void updateTable(){
  81                 int i=1;
  82                 if(toRemove != null){
  83                         permissions.remove(toRemove);
  84                         toRemove = null;
  85                 }
  86                 for(final PermissionHolder dto : permissions){
  87
  88                         PushButton removeButton = new PushButton(AbstractImagePrototype.create(images.delete()).createImage(), new ClickHandler() {
  89                                 @Override
  90                                 public void onClick(ClickEvent event) {
  91                                         toRemove = dto;
  92                                         updateTable();
  93                                         hasChanges = true;
  94                                 }
  95                         });
  96
  97                         if(dto.getUser() !=null)
  98                                 if(dto.getUser()!=null && dto.getUser().equals(owner)){
  99                                         permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permUser()).getHTML() + "&nbsp;Owner</span>");
 100                                         removeButton.setVisible(false);
 101                                 }
 102                                 else
 103                                         permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permUser()).getHTML() + "&nbsp;"+dto.getUser()+"</span>");
 104                         else if(dto.getGroup() != null)
 105                                 permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permGroup()).getHTML() + "&nbsp;"+dto.getGroup()+"</span>");
 106                         CheckBox read = new CheckBox();
 107                         read.setValue(dto.isRead());
 108                         CheckBox write = new CheckBox();
 109                         write.setValue(dto.isWrite());
 110                         CheckBox modify = new CheckBox();
 111                         modify.setValue(dto.isModifyACL());
 112                         if (dto.getUser()!=null && dto.getUser().equals(owner)) {
 113                                 read.setEnabled(false);
 114                                 write.setEnabled(false);
 115                                 modify.setEnabled(false);
 116                         }
 117                         permTable.setWidget(i, 1, read);
 118                         permTable.setWidget(i, 2, write);
 119                         permTable.setWidget(i, 3, modify);
 120                         permTable.setWidget(i, 4, removeButton);
 121                         permTable.getFlexCellFormatter().setStyleName(i, 0, "props-labels");
 122                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
 123                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 2, HasHorizontalAlignment.ALIGN_CENTER);
 124                         permTable.getFlexCellFormatter().setHorizontalAlignment(i, 3, HasHorizontalAlignment.ALIGN_CENTER);
 125                         i++;
 126                 }
 127                 for(; i<permTable.getRowCount(); i++)
 128                         permTable.removeRow(i);
 129                 hasChanges = false;
 130
 131         }
 132
 133         public void updatePermissionsAccordingToInput(){
 134                 int i=1;
 135                 for(PermissionHolder dto : permissions){
 136                         /*if(dto.getId() == null)
 137                                 hasChanges =true;*/
 138                         CheckBox r = (CheckBox) permTable.getWidget(i, 1);
 139                         CheckBox w = (CheckBox) permTable.getWidget(i, 2);
 140                         CheckBox m = (CheckBox) permTable.getWidget(i, 3);
 141                         if(dto.isRead() != r.getValue() || dto.isWrite() != w.getValue() || dto.isModifyACL() != m.getValue())
 142                                 hasChanges = true;
 143                         dto.setRead(r.getValue());
 144                         dto.setWrite(w.getValue());
 145                         dto.setModifyACL(m.getValue());
 146                         i++;
 147                 }
 148         }
 149
 150
 151         /**
 152          * Retrieve the permissions.
 153          *
 154          * @return the permissions
 155          */
 156         public Set<PermissionHolder> getPermissions() {
 157                 return permissions;
 158         }
 159
 160         public void addPermission(PermissionHolder permission){
 161                 permissions.add(permission);
 162                 hasAddition = true;
 163         }
 164
 165
 166 }