code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/foldertree/FolderTreeView.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
  36 package gr.grnet.pithos.web.client.foldertree;
  37
  38 import gr.grnet.pithos.web.client.FolderContextMenu;
  39 import gr.grnet.pithos.web.client.PithosDisclosurePanel;
  40 import gr.grnet.pithos.web.client.TreeView;
  41
  42 import com.google.gwt.core.client.GWT;
  43 import com.google.gwt.i18n.client.NumberFormat;
  44 import com.google.gwt.resources.client.ImageResource;
  45 import com.google.gwt.resources.client.ImageResource.ImageOptions;
  46 import com.google.gwt.resources.client.ImageResource.RepeatStyle;
  47 import com.google.gwt.safehtml.client.SafeHtmlTemplates;
  48 import com.google.gwt.safehtml.shared.SafeHtml;
  49 import com.google.gwt.user.cellview.client.CellTree;
  50 import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
  51 import com.google.gwt.user.cellview.client.TreeNode;
  52 import com.google.gwt.user.client.Command;
  53 import com.google.gwt.user.client.ui.Composite;
  54 import com.google.gwt.user.client.ui.HTML;
  55 import com.google.gwt.user.client.ui.HorizontalPanel;
  56 import com.google.gwt.user.client.ui.Tree;
  57 import com.google.gwt.user.client.ui.VerticalPanel;
  58
  59 public class FolderTreeView extends Composite implements TreeView {
  60
  61         public boolean isFolderOpen(Folder folder) {
  62         TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
  63         return isFolderOpen(root, folder);
  64         }
  65
  66         private boolean isFolderOpen(TreeNode node, Folder folder) {
  67         for (int i=0; i<node.getChildCount(); i++) {
  68             if (folder.equals(node.getChildValue(i))) {
  69                 return node.isChildOpen(i);
  70             }
  71                         if (node.isChildOpen(i)) {
  72                             TreeNode n = node.setChildOpen(i, true);
  73                             return isFolderOpen(n, folder);
  74                         }
  75         }
  76         return false;
  77         }
  78
  79     public void openFolder(Folder folder) {
  80         TreeNode root = tree.getRootTreeNode();
  81         openFolder(root, folder);
  82     }
  83
  84     private void openFolder(TreeNode node, Folder folder) {
  85         for (int i=0; i<node.getChildCount(); i++) {
  86             if (folder.equals(node.getChildValue(i))) {
  87                 node.setChildOpen(i, false, true);
  88                 node.setChildOpen(i, true, true);
  89                 break;
  90             }
  91                         if (node.isChildOpen(i)) {
  92                             TreeNode n = node.setChildOpen(i, true);
  93                             openFolder(n, folder);
  94                             break;
  95                         }
  96         }
  97     }
  98
  99     static interface BasicResources extends CellTree.Resources {
 100
 101         @Override
 102                 @ImageOptions(flipRtl = true)
 103         @Source("gr/grnet/pithos/web/client/cellTreeClosedItem.png")
 104         ImageResource cellTreeClosedItem();
 105
 106         @Override
 107                 @ImageOptions(flipRtl = true)
 108         @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
 109         ImageResource cellTreeLoading();
 110
 111         @Override
 112                 @ImageOptions(flipRtl = true)
 113         @Source("gr/grnet/pithos/web/client/cellTreeOpenItem.png")
 114         ImageResource cellTreeOpenItem();
 115
 116         @Override
 117                 @Source({"gr/grnet/pithos/web/client/PithosCellTreeBasic.css"})
 118         CellTree.Style cellTreeStyle();
 119
 120         @Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif")
 121         @ImageOptions(repeatStyle=RepeatStyle.None)
 122         ImageResource cellTreeLoadingBasic();
 123     }
 124
 125     public static interface Images extends Tree.Resources, FolderContextMenu.Images {
 126
 127         @Source("gr/grnet/pithos/resources/home22.png")
 128         ImageResource home();
 129
 130         @Source("gr/grnet/pithos/resources/2folder22.png")
 131         public ImageResource folderYellow();
 132
 133         @Source("gr/grnet/pithos/resources/mimetypes/document.png")
 134         ImageResource document();
 135
 136         @Source("gr/grnet/pithos/resources/myshared22.png")
 137         ImageResource myShared();
 138
 139         @Source("gr/grnet/pithos/resources/folder_user.png")
 140         ImageResource sharedFolder();
 141
 142         @Source("gr/grnet/pithos/resources/trash.png")
 143         ImageResource trash();
 144     }
 145
 146     static Images images = GWT.create(Images.class);
 147
 148     static interface Templates extends SafeHtmlTemplates {
 149         public Templates INSTANCE = GWT.create(Templates.class);
 150
 151         @Template("<span style='vertical-align: middle;'>{0}</span>")
 152         public SafeHtml nameSpan(String name);
 153
 154         @Template("<span class='pithos-folderLabel'>{0}</span>")
 155         public SafeHtml imageSpan(String name);
 156     }
 157
 158     interface Resources extends gr.grnet.pithos.web.client.PithosDisclosurePanel.Resources {
 159         @Override
 160                 @Source("gr/grnet/pithos/resources/home22.png")
 161         ImageResource icon();
 162     }
 163
 164     private FolderTreeViewModel model;
 165
 166     private CellTree tree;
 167
 168     private HTML usedBytes;
 169
 170     private HTML totalBytes;
 171
 172     private HTML usedPercent;
 173
 174     public FolderTreeView(FolderTreeViewModel viewModel) {
 175         this.model = viewModel;
 176
 177         PithosDisclosurePanel panel = new PithosDisclosurePanel((Resources) GWT.create(Resources.class), "My Files", true);
 178
 179         VerticalPanel content = new VerticalPanel();
 180
 181         /*
 182          * Create the tree using the model. We use <code>null</code> as the default
 183          * value of the root node. The default value will be passed to
 184          * CustomTreeModel#getNodeInfo();
 185          */
 186         CellTree.Resources res = GWT.create(BasicResources.class);
 187         tree = new CellTree(model, null, res);
 188         tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED);
 189         content.add(tree);
 190
 191         HorizontalPanel separator = new HorizontalPanel();
 192         separator.addStyleName("pithos-statisticsSeparator");
 193         content.add(separator);
 194
 195         HorizontalPanel statistics = new HorizontalPanel();
 196             statistics.addStyleName("pithos-statistics");
 197             statistics.add(new HTML("Used:&nbsp;"));
 198             usedBytes = new HTML();
 199             statistics.add(usedBytes);
 200             statistics.add(new HTML("&nbsp;of&nbsp;"));
 201             totalBytes = new HTML();
 202             statistics.add(totalBytes);
 203             statistics.add(new HTML("&nbsp;("));
 204             usedPercent = new HTML();
 205             statistics.add(usedPercent);
 206             statistics.add(new HTML(")"));
 207             content.add(statistics);
 208
 209         panel.setContent(content);
 210         initWidget(panel);
 211     }
 212
 213
 214     @Override
 215         public Folder getSelection() {
 216        return model.getSelection();
 217     }
 218
 219     public void updateFolder(Folder folder, boolean showfiles, Command callback, final boolean openParent) {
 220         model.updateFolder(folder, showfiles, callback, openParent);
 221     }
 222
 223         public void showStatistics(AccountResource account) {
 224         usedBytes.setHTML(String.valueOf(account.getFileSizeAsString()));
 225         totalBytes.setHTML(String.valueOf(account.getQuotaAsString()));
 226         NumberFormat nf = NumberFormat.getPercentFormat();
 227         usedPercent.setHTML(nf.format(account.getUsedPercentage()));
 228         }
 229 }