code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/GroupPropertiesDialog.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.rest.PostCommand;
  22 import gr.ebs.gss.client.rest.RestException;
  23
  24 import com.google.gwt.core.client.GWT;
  25 import com.google.gwt.http.client.URL;
  26 import com.google.gwt.user.client.DeferredCommand;
  27 import com.google.gwt.user.client.ui.Button;
  28 import com.google.gwt.user.client.ui.ClickListener;
  29 import com.google.gwt.user.client.ui.DialogBox;
  30 import com.google.gwt.user.client.ui.Grid;
  31 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  32 import com.google.gwt.user.client.ui.HorizontalPanel;
  33 import com.google.gwt.user.client.ui.KeyboardListener;
  34 import com.google.gwt.user.client.ui.TextBox;
  35 import com.google.gwt.user.client.ui.VerticalPanel;
  36 import com.google.gwt.user.client.ui.Widget;
  37
  38 /**
  39  * @author kman
  40  */
  41 public class GroupPropertiesDialog extends DialogBox {
  42
  43         /**
  44          * The widget that holds the folderName of the folder.
  45          */
  46         private TextBox groupName = new TextBox();
  47
  48         /**
  49          * A flag that denotes whether the dialog will be used to create or modify a
  50          * folder.
  51          */
  52         private final boolean create;
  53
  54         /**
  55          * The widget's constructor.
  56          *
  57          * @param _create true if the dialog is displayed for creating a new
  58          *            sub-folder of the selected folder, false if it is displayed
  59          *            for modifying the selected folder
  60          */
  61         public GroupPropertiesDialog(final boolean _create) {
  62                 setAnimationEnabled(true);
  63                 create = _create;
  64                 // Use this opportunity to set the dialog's caption.
  65                 if (create)
  66                         setText("Create Group");
  67                 else
  68                         setText("Group properties");
  69                 final VerticalPanel panel = new VerticalPanel();
  70                 setWidget(panel);
  71                 final Grid generalTable = new Grid(1, 2);
  72                 generalTable.setText(0, 0, "Group Name");
  73                 generalTable.setWidget(0, 1, groupName);
  74                 generalTable.getCellFormatter().setStyleName(0, 0, "props-labels");
  75                 generalTable.getCellFormatter().setStyleName(0, 1, "props-values");
  76                 generalTable.setCellSpacing(4);
  77
  78                 panel.add(generalTable);
  79                 final HorizontalPanel buttons = new HorizontalPanel();
  80                 final Button ok = new Button("OK", new ClickListener() {
  81
  82                         public void onClick(Widget sender) {
  83                                 createGroup(groupName.getText());
  84                                 hide();
  85                         }
  86                 });
  87                 buttons.add(ok);
  88                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);
  89                 // Create the 'Cancel' button, along with a listener that hides the
  90                 // dialog
  91                 // when the button is clicked.
  92                 final Button cancel = new Button("Cancel", new ClickListener() {
  93
  94                         public void onClick(Widget sender) {
  95                                 hide();
  96                         }
  97                 });
  98                 buttons.add(cancel);
  99                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);
 100                 buttons.setSpacing(8);
 101                 buttons.addStyleName("gwt-TabPanelBottom");
 102                 panel.add(buttons);
 103                 panel.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);
 104                 //panel.addStyleName("gss-DialogBox");
 105                 panel.addStyleName("gwt-TabPanelBottom");
 106                 groupName.setFocus(true);
 107         }
 108
 109         @Override
 110         public boolean onKeyDownPreview(final char key, final int modifiers) {
 111                 // Use the popup's key preview hooks to close the dialog when either
 112                 // enter or escape is pressed.
 113                 switch (key) {
 114                         case KeyboardListener.KEY_ENTER:
 115                                 hide();
 116                                 createGroup( groupName.getText());
 117                                 break;
 118                         case KeyboardListener.KEY_ESCAPE:
 119                                 hide();
 120                                 break;
 121                 }
 122
 123                 return true;
 124         }
 125         /**
 126          * Generate an RPC request to create a new group.
 127          *
 128          * @param userId the ID of the user whose namespace will be searched for
 129          *            groups
 130          * @param aGroupName the name of the group to create
 131          */
 132         private void createGroup(String aGroupName) {
 133
 134                 if (aGroupName == null || aGroupName.length() == 0) {
 135                         GSS.get().displayError("Empty group name!");
 136                         return;
 137                 }
 138                 GWT.log("createGroup(" + aGroupName + ")", null);
 139                 PostCommand cg = new PostCommand(GSS.get().getCurrentUserResource().getGroupsPath()+"?name="+URL.encodeComponent(aGroupName), "", 201){
 140
 141                         @Override
 142                         public void onComplete() {
 143                                 GSS.get().getGroups().updateGroups();
 144                                 GSS.get().showUserList();
 145                         }
 146
 147                         @Override
 148                         public void onError(Throwable t) {
 149                                 GWT.log("", t);
 150                                 if(t instanceof RestException){
 151                                         int statusCode = ((RestException)t).getHttpStatusCode();
 152                                         if(statusCode == 405)
 153                                                 GSS.get().displayError("You don't have the necessary permissions");
 154                                         else if(statusCode == 404)
 155                                                 GSS.get().displayError("Resource does not exist");
 156                                         else if(statusCode == 409)
 157                                                 GSS.get().displayError("A group with the same name already exists");
 158                                         else if(statusCode == 413)
 159                                                 GSS.get().displayError("Your quota has been exceeded");
 160                                         else
 161                                                 GSS.get().displayError("Unable to create group:"+((RestException)t).getHttpStatusText());
 162                                 }
 163                                 else
 164                                         GSS.get().displayError("System error creating group:"+t.getMessage());
 165                         }
 166                 };
 167                 DeferredCommand.addCommand(cg);
 168
 169         }
 170 }