root / src / gr / grnet / pithos / web / client / foldertree / FolderTreeView.java @ 969a4d94
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/*
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* Copyright 2011 GRNET S.A. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and
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* documentation are those of the authors and should not be
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* interpreted as representing official policies, either expressed
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* or implied, of GRNET S.A.
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*/
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package gr.grnet.pithos.web.client.foldertree; |
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import gr.grnet.pithos.web.client.FolderContextMenu; |
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import gr.grnet.pithos.web.client.TreeView; |
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import com.google.gwt.core.client.GWT; |
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import com.google.gwt.resources.client.ImageResource; |
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import com.google.gwt.resources.client.ImageResource.ImageOptions; |
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import com.google.gwt.safehtml.client.SafeHtmlTemplates; |
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import com.google.gwt.safehtml.shared.SafeHtml; |
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import com.google.gwt.user.cellview.client.CellTree; |
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import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy; |
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import com.google.gwt.user.cellview.client.TreeNode; |
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import com.google.gwt.user.client.Command; |
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import com.google.gwt.user.client.ui.Composite; |
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import com.google.gwt.user.client.ui.Tree; |
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public class FolderTreeView extends Composite implements TreeView { |
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public boolean isFolderOpen(Folder folder) { |
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TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
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return isFolderOpen(root, folder);
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} |
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private boolean isFolderOpen(TreeNode node, Folder folder) { |
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for (int i=0; i<node.getChildCount(); i++) { |
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if (folder.equals(node.getChildValue(i))) {
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return node.isChildOpen(i);
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} |
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else {
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if (node.isChildOpen(i)) {
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TreeNode n = node.setChildOpen(i, true); |
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return isFolderOpen(n, folder);
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} |
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} |
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} |
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return false; |
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} |
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public void openFolder(Folder folder) { |
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TreeNode root = ((CellTree) getWidget()).getRootTreeNode();
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openFolder(root, folder); |
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} |
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private void openFolder(TreeNode node, Folder folder) { |
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for (int i=0; i<node.getChildCount(); i++) { |
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if (folder.equals(node.getChildValue(i))) {
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node.setChildOpen(i, false, true); |
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node.setChildOpen(i, true, true); |
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break;
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} |
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else {
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if (node.isChildOpen(i)) {
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TreeNode n = node.setChildOpen(i, true); |
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openFolder(n, folder); |
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break;
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} |
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} |
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} |
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} |
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static interface BasicResources extends CellTree.Resources { |
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@Override
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@ImageOptions(flipRtl = true) |
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@Source("gr/grnet/pithos/web/client/cellTreeClosedItem.gif") |
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ImageResource cellTreeClosedItem(); |
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@Override
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@ImageOptions(flipRtl = true) |
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@Source("gr/grnet/pithos/web/client/cellTreeLoadingBasic.gif") |
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ImageResource cellTreeLoading(); |
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@Override
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@ImageOptions(flipRtl = true) |
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@Source("gr/grnet/pithos/web/client/cellTreeOpenItem.gif") |
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ImageResource cellTreeOpenItem(); |
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@Override
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@Source({"gr/grnet/pithos/web/client/PithosCellTreeBasic.css"}) |
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CellTree.Style cellTreeStyle(); |
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} |
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public static interface Images extends Tree.Resources, FolderContextMenu.Images { |
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@Source("gr/grnet/pithos/resources/home22.png") |
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ImageResource home(); |
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@Source("gr/grnet/pithos/resources/folder22.png") |
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public ImageResource folderYellow();
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@Source("gr/grnet/pithos/resources/mimetypes/document.png") |
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ImageResource document(); |
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@Source("gr/grnet/pithos/resources/othersshared.png") |
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ImageResource othersShared(); |
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@Source("gr/grnet/pithos/resources/myshared22.png") |
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ImageResource myShared(); |
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@Source("gr/grnet/pithos/resources/folder_user.png") |
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ImageResource sharedFolder(); |
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@Source("gr/grnet/pithos/resources/trash.png") |
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ImageResource trash(); |
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} |
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static Images images = GWT.create(Images.class);
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static interface Templates extends SafeHtmlTemplates { |
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public Templates INSTANCE = GWT.create(Templates.class); |
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@Template("<span>{0}</span>") |
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public SafeHtml nameSpan(String name); |
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} |
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private FolderTreeViewModel model;
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public FolderTreeView(FolderTreeViewModel viewModel) {
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this.model = viewModel;
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/*
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* Create the tree using the model. We use <code>null</code> as the default
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* value of the root node. The default value will be passed to
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* CustomTreeModel#getNodeInfo();
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*/
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CellTree.Resources res = GWT.create(BasicResources.class); |
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CellTree tree = new CellTree(model, null, res); |
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tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED); |
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initWidget(tree); |
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} |
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@Override
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public Folder getSelection() {
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return model.getSelection();
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} |
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public void updateFolder(Folder folder, boolean showfiles, Command callback) { |
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model.updateFolder(folder, showfiles, callback); |
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} |
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} |