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

   1 /*
   2  * Copyright 2011 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.core.client.Scheduler;
  38 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
  39 import gr.grnet.pithos.web.client.foldertree.AccountResource;
  40 import gr.grnet.pithos.web.client.rest.GetCommand;
  41 import gr.grnet.pithos.web.client.rest.GetRequest;
  42 import gr.grnet.pithos.web.client.rest.RestException;
  43 import gr.grnet.pithos.web.client.rest.resource.QuotaHolder;
  44 import gr.grnet.pithos.web.client.rest.resource.UserResource;
  45
  46 import com.google.gwt.core.client.GWT;
  47 import com.google.gwt.i18n.client.DateTimeFormat;
  48 import com.google.gwt.resources.client.ClientBundle;
  49 import com.google.gwt.resources.client.ImageResource;
  50 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  51 import com.google.gwt.user.client.ui.Composite;
  52 import com.google.gwt.user.client.ui.HTML;
  53 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  54 import com.google.gwt.user.client.ui.HorizontalPanel;
  55 import java.util.Date;
  56
  57 /**
  58  * The panel that displays a status bar with quota information.
  59  */
  60 public class StatusPanel extends Composite {
  61         public static final boolean DONE = false;
  62         private HTML fileCountLabel = new HTML("");
  63         private HTML fileSizeLabel = new HTML("");
  64         private HTML quotaIcon = new HTML("");
  65         private HTML quotaLabel = new HTML("");
  66         private HTML lastLoginLabel = new HTML("");
  67         private HTML currentLoginLabel = new HTML("");
  68         private HTML currentlyShowingLabel = new HTML("");
  69
  70         /**
  71          * An image bundle for this widget's images.
  72          */
  73         public interface Images extends ClientBundle {
  74
  75                 @Source("gr/grnet/pithos/resources/windowlist.png")
  76                 ImageResource totalFiles();
  77
  78                 @Source("gr/grnet/pithos/resources/database.png")
  79                 ImageResource totalSize();
  80
  81                 @Source("gr/grnet/pithos/resources/redled.png")
  82                 ImageResource redSize();
  83
  84                 @Source("gr/grnet/pithos/resources/greenled.png")
  85                 ImageResource greenSize();
  86
  87                 @Source("gr/grnet/pithos/resources/yellowled.png")
  88                 ImageResource yellowSize();
  89
  90                 @Source("gr/grnet/pithos/resources/xclock.png")
  91                 ImageResource lastLogin();
  92         }
  93
  94         private final Images images;
  95
  96         /**
  97          * The constructor of the status panel.
  98          *
  99          * @param theImages the supplied images
 100          */
 101         public StatusPanel(Images theImages) {
 102                 images = theImages;
 103                 HorizontalPanel outer = new HorizontalPanel();
 104                 outer.setWidth("100%");
 105                 outer.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
 106
 107                 HorizontalPanel left = new HorizontalPanel();
 108                 left.setSpacing(8);
 109                 HorizontalPanel middle = new HorizontalPanel();
 110                 middle.setSpacing(8);
 111                 HorizontalPanel right = new HorizontalPanel();
 112                 right.setSpacing(8);
 113                 outer.add(left);
 114                 outer.add(middle);
 115                 outer.add(right);
 116                 left.add(new HTML("<b>Totals:</b> "));
 117                 left.add(AbstractImagePrototype.create(images.totalFiles()).createImage());
 118                 left.add(fileCountLabel);
 119                 left.add(AbstractImagePrototype.create(images.totalSize()).createImage());
 120                 left.add(fileSizeLabel);
 121                 quotaIcon.setHTML(AbstractImagePrototype.create(images.greenSize()).getHTML());
 122                 left.add(quotaIcon);
 123                 left.add(quotaLabel);
 124                 middle.add(AbstractImagePrototype.create(images.lastLogin()).createImage());
 125                 middle.add(new HTML("<b>Last login:</b> "));
 126                 middle.add(lastLoginLabel);
 127                 middle.add(new HTML("<b>\u0387 Current session login:</b> "));
 128                 middle.add(currentLoginLabel);
 129                 right.add(currentlyShowingLabel);
 130                 outer.setStyleName("statusbar-inner");
 131                 left.setStyleName("statusbar-inner");
 132                 middle.setStyleName("statusbar-inner");
 133                 right.setStyleName("statusbar-inner");
 134                 outer.setCellHorizontalAlignment(right, HasHorizontalAlignment.ALIGN_RIGHT);
 135
 136                 initWidget(outer);
 137         }
 138
 139         /**
 140          * Refresh the widget with the provided statistics.
 141          */
 142         public void displayStats(AccountResource account) {
 143                 if (account.getNumberOfObjects() == 1)
 144                         fileCountLabel.setHTML("1 object");
 145                 else
 146                         fileCountLabel.setHTML(account.getNumberOfObjects() + " objects");
 147                 fileSizeLabel.setHTML(account.getFileSizeAsString() + " used");
 148                 long pc = (long) ((double) account.getBytesRemaining()/(account.getBytesRemaining() + account.getBytesUsed()) + 0.5);
 149                 if (pc < 10) {
 150                         quotaIcon.setHTML(AbstractImagePrototype.create(images.redSize()).getHTML());
 151                         quotaLabel.setHTML(account.getQuotaLeftAsString() + " free");
 152                 } else if(pc<20) {
 153                         quotaIcon.setHTML(AbstractImagePrototype.create(images.yellowSize()).getHTML());
 154                         quotaLabel.setHTML(account.getQuotaLeftAsString() +" free");
 155                 } else {
 156                         quotaIcon.setHTML(AbstractImagePrototype.create(images.greenSize()).getHTML());
 157                         quotaLabel.setHTML(account.getQuotaLeftAsString() +" free");
 158                 }
 159                 final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");
 160         Date login = account.getLastLogin();
 161                 lastLoginLabel.setHTML(login == null ? "" : formatter.format(login));
 162
 163         login = account.getCurrentLogin();
 164                 currentLoginLabel.setHTML(login == null ? "" : formatter.format(login));
 165         }
 166
 167         /**
 168          * Requests updated quota information from the server and refreshes
 169          * the display.
 170          */
 171     //TODO: This should not be done here
 172         public void updateStats() {
 173                 final GSS app = GSS.get();
 174         String path = app.getApiPath() + app.getUsername();
 175         GetRequest<AccountResource> getAccount = new GetRequest<AccountResource>(AccountResource.class, path) {
 176             @Override
 177             public void onSuccess(AccountResource result) {
 178                 displayStats(result);
 179             }
 180
 181             @Override
 182             public void onError(Throwable t) {
 183                 if(t instanceof RestException)
 184                     app.displayError("Unable to fetch quota:" +
 185                                 ((RestException)t).getHttpStatusText());
 186                 else
 187                     app.displayError("System error fetching quota:" +
 188                                 t.getMessage());
 189                 GWT.log("ERR", t);
 190             }
 191         };
 192         getAccount.setHeader("X-Auth-Token", app.getToken());
 193         Scheduler.get().scheduleDeferred(getAccount);
 194         }
 195
 196         /**
 197          * Displays the statistics for the current folder.
 198          *
 199          * @param text the statistics to display
 200          */
 201         public void updateCurrentlyShowing(String text) {
 202                 if (text == null)
 203                         currentlyShowingLabel.setText("");
 204                 else
 205                         currentlyShowingLabel.setHTML(" <b>Showing:</b> " + text);
 206         }
 207
 208 }