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

   1 /*
   2  * Copyright 2011-2012 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client;
  36
  37 import gr.grnet.pithos.web.client.FilePermissionsDialog.Images;
  38
  39 import java.util.HashMap;
  40 import java.util.Map;
  41
  42 import com.google.gwt.event.dom.client.ClickEvent;
  43 import com.google.gwt.event.dom.client.ClickHandler;
  44 import com.google.gwt.event.logical.shared.ValueChangeEvent;
  45 import com.google.gwt.event.logical.shared.ValueChangeHandler;
  46 import com.google.gwt.user.client.Command;
  47 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  48 import com.google.gwt.user.client.ui.Anchor;
  49 import com.google.gwt.user.client.ui.CheckBox;
  50 import com.google.gwt.user.client.ui.Composite;
  51 import com.google.gwt.user.client.ui.FlexTable;
  52 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  53 import com.google.gwt.user.client.ui.PushButton;
  54 import com.google.gwt.user.client.ui.RadioButton;
  55 import com.google.gwt.user.client.ui.VerticalPanel;
  56
  57
  58 public class PermissionsList extends Composite {
  59
  60         Map<String, Boolean[]> permissions = null;
  61
  62         final Images images;
  63
  64         final VerticalPanel permPanel = new VerticalPanel();
  65
  66         final FlexTable permTable = new FlexTable();
  67
  68         final String owner;
  69
  70         protected boolean hasChanges = false;
  71
  72     private boolean readonly = false;
  73
  74     Command changePermissionsCallback;
  75
  76         public PermissionsList(final Images theImages, Map<String, Boolean[]> thePermissions, String theOwner, boolean inheritsPermissions, Command _changePermissionsCallback){
  77                 changePermissionsCallback = _changePermissionsCallback;
  78                 images = theImages;
  79                 owner = theOwner;
  80                 permissions =  new HashMap<String, Boolean[]>(thePermissions);
  81                 permTable.setText(0, 0, "Users/Groups");
  82                 permTable.setText(0, 1, "Read Only");
  83                 permTable.setText(0, 2, "Read/Write");
  84                 permTable.setText(0, 3, "");
  85                 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
  86                 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
  87                 permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
  88                 permTable.getFlexCellFormatter().setStyleName(0, 3, "props-toplabels");
  89                 permPanel.add(permTable);
  90                 permPanel.addStyleName("pithos-TabPanelBottom");
  91                 initWidget(permPanel);
  92                 updatePermissionTable();
  93         }
  94
  95         public boolean hasChanges(){
  96                 return hasChanges;
  97         }
  98
  99         /**
 100          * Retrieve the permissions.
 101          *
 102          * @return the permissions
 103          */
 104         public Map<String, Boolean[]> getPermissions() {
 105                 return permissions;
 106         }
 107
 108         public void addPermission(String user, boolean read, boolean write){
 109                 permissions.put(user, new Boolean[] {Boolean.valueOf(read), Boolean.valueOf(write)});
 110                 hasChanges = true;
 111         updatePermissionTable();
 112         if (changePermissionsCallback != null)
 113                 changePermissionsCallback.execute();
 114         }
 115
 116         /**
 117          * Shows the permission table
 118          *
 119          */
 120         void updatePermissionTable(){
 121                 int i = 1;
 122         for (int j=1; j<permTable.getRowCount(); j++)
 123             permTable.removeRow(j);
 124                 for(final String user : permissions.keySet()) {
 125             if (!user.contains(":")) //not a group
 126                 permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permUser()).getHTML() + "&nbsp;" + user + "</span>");
 127             else
 128                 permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permGroup()).getHTML() + "&nbsp;" + user.split(":")[1].trim() + "</span>");
 129             permTable.getFlexCellFormatter().setStyleName(i, 0, "props-labels");
 130
 131             Boolean[] userPerms = permissions.get(user);
 132             Boolean readP = userPerms[0];
 133             Boolean writeP = userPerms[1];
 134
 135                         RadioButton read = new RadioButton("permissions" + i);
 136                         read.setValue(readP != null ? readP : false);
 137             permTable.setWidget(i, 1, read);
 138             permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
 139
 140             RadioButton write = new RadioButton("permissions" + i);
 141             write.setValue(writeP != null ? writeP : false);
 142             permTable.setWidget(i, 2, write);
 143             permTable.getFlexCellFormatter().setHorizontalAlignment(i, 2, HasHorizontalAlignment.ALIGN_CENTER);
 144
 145             if (!readonly) {
 146                 read.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
 147                     @Override
 148                     public void onValueChange(ValueChangeEvent<Boolean> booleanValueChangeEvent) {
 149                         Boolean[] ps = permissions.get(user);
 150                         ps[0] = booleanValueChangeEvent.getValue();
 151                         ps[1] = !booleanValueChangeEvent.getValue();
 152                         hasChanges = true;
 153                         if (changePermissionsCallback != null)
 154                                 changePermissionsCallback.execute();
 155                     }
 156                 });
 157                 write.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
 158                     @Override
 159                     public void onValueChange(ValueChangeEvent<Boolean> booleanValueChangeEvent) {
 160                         Boolean[] ps = permissions.get(user);
 161                         ps[0] = !booleanValueChangeEvent.getValue();
 162                         ps[1] = booleanValueChangeEvent.getValue();
 163                         hasChanges = true;
 164                         if (changePermissionsCallback != null)
 165                                 changePermissionsCallback.execute();
 166                     }
 167                 });
 168                 Anchor removeButton = new Anchor("remove");
 169                 removeButton.addStyleName(Pithos.resources.pithosCss().commandAnchor());
 170                 removeButton.addClickHandler(new ClickHandler() {
 171                     @Override
 172                     public void onClick(ClickEvent event) {
 173                         permissions.remove(user);
 174                         updatePermissionTable();
 175                         hasChanges = true;
 176                         if (changePermissionsCallback != null)
 177                                 changePermissionsCallback.execute();
 178                     }
 179                 });
 180                 permTable.setWidget(i, 3, removeButton);
 181                 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 3, HasHorizontalAlignment.ALIGN_CENTER);
 182             }
 183             else {
 184                 read.setEnabled(false);
 185                 write.setEnabled(false);
 186             }
 187                         i++;
 188                 }
 189         }
 190 }