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 com.google.gwt.http.client.Request;
  38 import com.google.gwt.http.client.Response;
  39 import com.google.gwt.json.client.JSONObject;
  40 import gr.grnet.pithos.web.client.FilePermissionsDialog.Images;
  41
  42 import java.util.HashMap;
  43 import java.util.Map;
  44
  45 import com.google.gwt.event.dom.client.ClickEvent;
  46 import com.google.gwt.event.dom.client.ClickHandler;
  47 import com.google.gwt.event.logical.shared.ValueChangeEvent;
  48 import com.google.gwt.event.logical.shared.ValueChangeHandler;
  49 import com.google.gwt.user.client.Command;
  50 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  51 import com.google.gwt.user.client.ui.Anchor;
  52 import com.google.gwt.user.client.ui.CheckBox;
  53 import com.google.gwt.user.client.ui.Composite;
  54 import com.google.gwt.user.client.ui.FlexTable;
  55 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  56 import com.google.gwt.user.client.ui.PushButton;
  57 import com.google.gwt.user.client.ui.RadioButton;
  58 import com.google.gwt.user.client.ui.VerticalPanel;
  59 import gr.grnet.pithos.web.client.catalog.GetUserCatalogs;
  60 import gr.grnet.pithos.web.client.catalog.UserCatalogs;
  61
  62
  63 public class PermissionsList extends Composite {
  64
  65         Map<String, Boolean[]> permissions = null;
  66
  67         final Images images;
  68
  69         final VerticalPanel permPanel = new VerticalPanel();
  70
  71         final FlexTable permTable = new FlexTable();
  72
  73         final String owner;
  74
  75         protected boolean hasChanges = false;
  76
  77     private boolean readonly = false;
  78
  79     Command changePermissionsCallback;
  80
  81     private final Pithos app;
  82
  83         public PermissionsList(Pithos app, final Images theImages, Map<String, Boolean[]> thePermissions, String theOwner, boolean inheritsPermissions, Command _changePermissionsCallback){
  84         this.app = app;
  85                 changePermissionsCallback = _changePermissionsCallback;
  86                 images = theImages;
  87                 owner = theOwner;
  88                 permissions =  new HashMap<String, Boolean[]>(thePermissions);
  89                 permTable.setText(0, 0, "Users/Groups");
  90                 permTable.setText(0, 1, "Read Only");
  91                 permTable.setText(0, 2, "Read/Write");
  92                 permTable.setText(0, 3, "");
  93                 permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
  94                 permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
  95                 permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
  96                 permTable.getFlexCellFormatter().setStyleName(0, 3, "props-toplabels");
  97                 permPanel.add(permTable);
  98                 permPanel.addStyleName("pithos-TabPanelBottom");
  99                 initWidget(permPanel);
 100                 updatePermissionTable();
 101         }
 102
 103         public boolean hasChanges(){
 104                 return hasChanges;
 105         }
 106
 107         /**
 108          * Retrieve the permissions.
 109          *
 110          * @return the permissions
 111          */
 112         public Map<String, Boolean[]> getPermissions() {
 113                 return permissions;
 114         }
 115
 116         public void addPermission(String userID, boolean read, boolean write){
 117                 permissions.put(userID, new Boolean[] {Boolean.valueOf(read), Boolean.valueOf(write)});
 118                 hasChanges = true;
 119         updatePermissionTable();
 120         if (changePermissionsCallback != null)
 121                 changePermissionsCallback.execute();
 122         }
 123
 124         /**
 125          * Shows the permission table
 126          *
 127          */
 128         void updatePermissionTable(){
 129                 int i = 1;
 130         final int ii = i;
 131         for (int j=1; j<permTable.getRowCount(); j++)
 132             permTable.removeRow(j);
 133                 for(final String userID : permissions.keySet()) {
 134             if (!userID.contains(":")) {
 135                  //not a group
 136                 final String displayName = app.getUserDisplayNameForID(userID);
 137                 if(displayName != null) {
 138                     permTable.setHTML(
 139                         i,
 140                         0,
 141                         "<span>" + AbstractImagePrototype.create(images.permUser()).getHTML() + "&nbsp;" + displayName + "</span>"
 142                     );
 143                 }
 144                 else {
 145                     new GetUserCatalogs(app, userID) {
 146                         @Override
 147                         public void onSuccess(Request request, Response response, JSONObject result, UserCatalogs userCatalogs) {
 148                             app.getUserCatalogs().updateFrom(userCatalogs);
 149                             final String displayName = app.getUserDisplayNameForID(userID);
 150                             permTable.setHTML(
 151                                 ii,
 152                                 0,
 153                                 "<span>" + AbstractImagePrototype.create(images.permUser()).getHTML() + "&nbsp;" + displayName + "</span>"
 154                             );
 155                         }
 156                     }.scheduleDeferred();
 157                 }
 158             }
 159             else {
 160                 permTable.setHTML(i, 0, "<span>" + AbstractImagePrototype.create(images.permGroup()).getHTML() + "&nbsp;" + userID.split(":")[1].trim() + "</span>");
 161             }
 162             permTable.getFlexCellFormatter().setStyleName(i, 0, "props-values");
 163
 164             Boolean[] userPerms = permissions.get(userID);
 165             Boolean readP = userPerms[0];
 166             Boolean writeP = userPerms[1];
 167
 168                         RadioButton read = new RadioButton("permissions" + i);
 169                         read.setValue(readP != null ? readP : false);
 170             permTable.setWidget(i, 1, read);
 171             permTable.getFlexCellFormatter().setHorizontalAlignment(i, 1, HasHorizontalAlignment.ALIGN_CENTER);
 172
 173             RadioButton write = new RadioButton("permissions" + i);
 174             write.setValue(writeP != null ? writeP : false);
 175             permTable.setWidget(i, 2, write);
 176             permTable.getFlexCellFormatter().setHorizontalAlignment(i, 2, HasHorizontalAlignment.ALIGN_CENTER);
 177
 178             if (!readonly) {
 179                 read.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
 180                     @Override
 181                     public void onValueChange(ValueChangeEvent<Boolean> booleanValueChangeEvent) {
 182                         Boolean[] ps = permissions.get(userID);
 183                         ps[0] = booleanValueChangeEvent.getValue();
 184                         ps[1] = !booleanValueChangeEvent.getValue();
 185                         hasChanges = true;
 186                         if (changePermissionsCallback != null)
 187                                 changePermissionsCallback.execute();
 188                     }
 189                 });
 190                 write.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
 191                     @Override
 192                     public void onValueChange(ValueChangeEvent<Boolean> booleanValueChangeEvent) {
 193                         Boolean[] ps = permissions.get(userID);
 194                         ps[0] = !booleanValueChangeEvent.getValue();
 195                         ps[1] = booleanValueChangeEvent.getValue();
 196                         hasChanges = true;
 197                         if (changePermissionsCallback != null)
 198                                 changePermissionsCallback.execute();
 199                     }
 200                 });
 201                 Anchor removeButton = new Anchor("remove");
 202                 removeButton.addStyleName(Pithos.resources.pithosCss().commandAnchor());
 203                 removeButton.addClickHandler(new ClickHandler() {
 204                     @Override
 205                     public void onClick(ClickEvent event) {
 206                         permissions.remove(userID);
 207                         updatePermissionTable();
 208                         hasChanges = true;
 209                         if (changePermissionsCallback != null)
 210                                 changePermissionsCallback.execute();
 211                     }
 212                 });
 213                 permTable.setWidget(i, 3, removeButton);
 214                 permTable.getFlexCellFormatter().setHorizontalAlignment(i, 3, HasHorizontalAlignment.ALIGN_CENTER);
 215             }
 216             else {
 217                 read.setEnabled(false);
 218                 write.setEnabled(false);
 219             }
 220                         i++;
 221                 }
 222         }
 223 }