root / web_client / src / gr / grnet / pithos / web / client / CellTreeView.java @ f55cf326
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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; |
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import gr.grnet.pithos.web.client.CellTreeViewModel.ClearSelection; |
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import gr.grnet.pithos.web.client.rest.GetCommand; |
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import gr.grnet.pithos.web.client.rest.RestException; |
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import gr.grnet.pithos.web.client.rest.resource.FolderResource; |
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import gr.grnet.pithos.web.client.rest.resource.MyFolderResource; |
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import gr.grnet.pithos.web.client.rest.resource.OtherUserResource; |
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import gr.grnet.pithos.web.client.rest.resource.OthersFolderResource; |
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import gr.grnet.pithos.web.client.rest.resource.OthersResource; |
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import gr.grnet.pithos.web.client.rest.resource.RestResource; |
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import gr.grnet.pithos.web.client.rest.resource.RestResourceWrapper; |
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import gr.grnet.pithos.web.client.rest.resource.SharedResource; |
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import gr.grnet.pithos.web.client.rest.resource.TrashFolderResource; |
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import gr.grnet.pithos.web.client.rest.resource.TrashResource; |
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import gr.grnet.pithos.web.client.rest.resource.UserResource; |
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import gwtquery.plugins.droppable.client.gwt.DragAndDropCellTree; |
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import java.util.Arrays; |
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import com.google.gwt.core.client.GWT; |
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import com.google.gwt.resources.client.ClientBundle; |
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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.user.cellview.client.CellTree; |
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import com.google.gwt.user.cellview.client.TreeNode; |
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import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy; |
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import com.google.gwt.user.client.DeferredCommand; |
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import com.google.gwt.user.client.Event; |
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import com.google.gwt.user.client.IncrementalCommand; |
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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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import com.google.gwt.view.client.ProvidesKey; |
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import com.google.gwt.view.client.SelectionChangeEvent; |
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import com.google.gwt.view.client.SingleSelectionModel; |
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import com.google.gwt.view.client.TreeViewModel; |
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import com.google.gwt.view.client.SelectionChangeEvent.Handler; |
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import com.google.gwt.view.client.TreeViewModel.NodeInfo; |
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public class CellTreeView extends Composite{ |
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public static final boolean DONE = false; |
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Images images; |
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SingleSelectionModel<RestResource> selectionModel = new SingleSelectionModel<RestResource>(new ProvidesKey<RestResource>() { |
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@Override
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public Object getKey(RestResource item) { |
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return item.getClass().getName()+":"+item.getUri(); |
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}}); |
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FolderContextMenu menu; |
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MyFolderResource myFolders=null;
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TrashResource trash = null;
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SharedResource myshared = null;
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OthersResource others = null;
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CellTreeViewModel model; |
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CellTreeViewUtils utils; |
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public interface Images extends ClientBundle,Tree.Resources, FolderContextMenu.Images { |
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@Source("gr/grnet/pithos/resources/folder_home.png") |
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ImageResource home(); |
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@Source("gr/grnet/pithos/resources/folder_yellow.png") |
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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/internet.png") |
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ImageResource othersShared(); |
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@Source("gr/grnet/pithos/resources/edit_user.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/trashcan_empty.png") |
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ImageResource trash(); |
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} |
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DragAndDropCellTree tree; |
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/*public interface BasicResources extends CellTree.BasicResources{
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@ImageOptions(flipRtl = true)
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@Source("cellTreeLoadingBasic.gif")
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ImageResource cellTreeLoading();
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@Source({"GssCellTreeBasic.css"})
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CellTree.Style cellTreeStyle();
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}*/
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public interface BasicResources extends CellTree.Resources { |
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@ImageOptions(flipRtl = true) |
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@Source("cellTreeClosedItem.gif") |
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ImageResource cellTreeClosedItem(); |
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@ImageOptions(flipRtl = true) |
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@Source("cellTreeLoadingBasic.gif") |
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ImageResource cellTreeLoading(); |
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@ImageOptions(flipRtl = true) |
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@Source("cellTreeOpenItem.gif") |
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ImageResource cellTreeOpenItem(); |
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//@Source({CellTree.Style.DEFAULT_CSS,"GssCellTreeBasic.css"})
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@Source({"GssCellTreeBasic.css"}) |
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CellTree.Style cellTreeStyle(); |
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} |
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/**
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*
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*/
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public CellTreeView(final Images _images) { |
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images = _images; |
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model = new CellTreeViewModel(images,selectionModel);
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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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tree = new DragAndDropCellTree(model,null, res){ |
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@Override
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public void onBrowserEvent(Event event) { |
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// TODO Auto-generated method stub
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super.onBrowserEvent(event);
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} |
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}; |
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utils=new CellTreeViewUtils(tree);
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tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED); |
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/*tree.addOpenHandler(new OpenHandler<TreeNode>() {
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@Override
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public void onOpen(OpenEvent<TreeNode> event) {
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Window.alert("[NODE OPENED]"+event.getTarget());
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}
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});
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tree.addOverDroppableHandler(new OverDroppableEventHandler() {
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@Override
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public void onOverDroppable(OverDroppableEvent event) {
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GWT.log("OVER:"+event);
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}
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});
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tree.addAttachHandler(new AttachEvent.Handler() {
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@Override
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public void onAttachOrDetach(AttachEvent event) {
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GWT.log("ATTACH:"+event.getSource());
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}
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});*/
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Handler selectionHandler = new SelectionChangeEvent.Handler() { |
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@Override
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public void onSelectionChange(com.google.gwt.view.client.SelectionChangeEvent event) { |
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NodeInfo<RestResource> nodeInfo = (NodeInfo<RestResource>) getModel().getNodeInfo(selectionModel.getSelectedObject()); |
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if(nodeInfo==null || nodeInfo.getValueUpdater()==null){ |
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Pithos.get().showFileList(getSelection()); |
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} |
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else
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nodeInfo.getValueUpdater().update(selectionModel.getSelectedObject()); |
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Pithos.get().setCurrentSelection(selectionModel.getSelectedObject()); |
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} |
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}; |
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selectionModel.addSelectionChangeHandler(selectionHandler); |
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sinkEvents(Event.ONCONTEXTMENU);
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sinkEvents(Event.ONMOUSEUP);
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initWidget(tree); |
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FolderResource loadingResource = new FolderResource("loading"); |
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loadingResource.setName("Loading....");
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loadingResource.setShared(false);
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RestResourceWrapper loading = new RestResourceWrapper(loadingResource);
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model.getRootNodes().setList(Arrays.asList((RestResource)loading));
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DeferredCommand.addCommand(new IncrementalCommand() {
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@Override
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public boolean execute() { |
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return fetchRootFolders();
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} |
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}); |
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} |
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public void updateNode(RestResource resource){ |
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NodeInfo<RestResource> nodeInfo = (NodeInfo<RestResource>) getModel().getNodeInfo(resource); |
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if(nodeInfo!=null){ |
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if(nodeInfo.getValueUpdater()==null){} |
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else
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nodeInfo.getValueUpdater().update(resource); |
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} |
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} |
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public void updateNodeChildren(final RestResource resource){ |
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if(resource instanceof RestResourceWrapper){ |
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boolean updated=false; |
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if(((RestResourceWrapper)resource).getResource().getFolders().size()==0){ |
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if(((RestResourceWrapper)resource).getResource().getParentURI().equals(getMyFolders().getUri())){
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updateNodeChildren(getMyFolders().getUri()); |
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return;
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} |
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if(model.getMymap().get(((RestResourceWrapper)resource).getResource().getParentURI())!=null){ |
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model.getMymap().get(((RestResourceWrapper)resource).getResource().getParentURI()).refresh(null);
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updated=true;
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} |
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if(model.getOthersmap().get(((RestResourceWrapper)resource).getResource().getParentURI())!=null){ |
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model.getOthersmap().get(((RestResourceWrapper)resource).getResource().getParentURI()).refresh(null);
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updated=true;
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} |
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if(model.getSharedmap().get(((RestResourceWrapper)resource).getResource().getParentURI())!=null){ |
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model.getSharedmap().get(((RestResourceWrapper)resource).getResource().getParentURI()).refresh(null);
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updated=true;
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} |
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if(updated){
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if(utils.doesSharedNodeContainsResourceIn1stLevel(resource.getUri())){
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updateMySharedNode(); |
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} |
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else if(tree.getRootTreeNode().isChildOpen(2)){ |
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utils.refreshNodeContainingResource(tree.getRootTreeNode().setChildOpen(2,true),resource.getUri()); |
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} |
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//return;
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} |
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} |
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} |
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utils.refreshNodeContainingResource(resource); |
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if(utils.doesSharedNodeContainsResourceIn1stLevel(resource.getUri())){
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updateMySharedNode(); |
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} |
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else if(tree.getRootTreeNode().isChildOpen(2)){ |
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GWT.log("REFRESH THE OTHER WAY 2:"+resource);
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utils.refreshNodeContainingResource(tree.getRootTreeNode().setChildOpen(2,true),resource.getUri()); |
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} |
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} |
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public void updateNodeChildrenForRemove(final String resource){ |
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GWT.log("********************************");
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GWT.log("[UPDATENODECHILDREN]"+resource);
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GWT.log("********************************");
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boolean updated=false; |
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TreeNode node=null; |
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TreeNode sharedNode=null; |
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if(tree.getRootTreeNode().isChildOpen(0)){ |
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node = utils.getNodeContainingResource2(tree.getRootTreeNode().setChildOpen(0,true), resource); |
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} |
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GWT.log("CHECK NODE1:"+node+" "+resource); |
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if(tree.getRootTreeNode().isChildOpen(2)){ |
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GWT.log("CHECK NODE2:"+node);
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if(node==null) |
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node = utils.getNodeContainingResource2(tree.getRootTreeNode().setChildOpen(2,true), resource); |
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} |
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if(node==null) |
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if(tree.getRootTreeNode().isChildOpen(3)){ |
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GWT.log("CHECK NODE3:"+node);
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node = utils.getNodeContainingResource2(tree.getRootTreeNode().setChildOpen(3,true), resource); |
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} |
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if(node != null && node.getValue() instanceof RestResourceWrapper){ |
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GWT.log("*********************"+((RestResourceWrapper) node.getValue()).getResource().getFolders().size());
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RestResourceWrapper wrapper = (RestResourceWrapper) node.getValue(); |
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if(wrapper.getResource().countNotDeletedSubfolders()==1||wrapper.getResource().countNotDeletedSubfolders()==0){ |
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updateNodeChildren(((RestResourceWrapper) node.getValue()).getResource().getParentURI()); |
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if(((RestResourceWrapper) node.getValue()).getResource().getParentURI().equals(myFolders.getUri())){
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if(utils.doesSharedNodeContainsResourceIn1stLevel(resource)||utils.doesSharedNodeContainsResourceIn2ndLevel(resource)){
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updateMySharedNode(); |
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} |
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} |
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} |
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else
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updateNodeChildren(((RestResource) node.getValue()).getUri()); |
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return;
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} |
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updateNodeChildren(resource); |
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} |
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public void updateNodeChildren(final String resource){ |
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GWT.log("REFRESH THE OTHER WAY");
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utils.refreshNodeContainingResource(resource); |
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if(utils.doesSharedNodeContainsResourceIn1stLevel(resource)||utils.doesSharedNodeContainsResourceIn2ndLevel(resource)){
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GWT.log("REFRESH THE OTHER WAY 1:"+resource);
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updateMySharedNode(); |
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} |
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else if(tree.getRootTreeNode().isChildOpen(2)){ |
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GWT.log("REFRESH THE OTHER WAY 2:"+resource);
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utils.refreshNodeContainingResource(tree.getRootTreeNode().setChildOpen(2,true),resource); |
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} |
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} |
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protected void showPopup(final int x, final int y) { |
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if (selectionModel.getSelectedObject() == null) |
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return;
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if (menu != null) |
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menu.hide(); |
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// menu = new FolderContextMenu(images);
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// menu.setPopupPosition(x, y);
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// menu.show();
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} |
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private boolean init=false; |
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public boolean fetchRootFolders() { |
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UserResource userResource = Pithos.get().getCurrentUserResource(); |
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if (userResource == null) |
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return !DONE;
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if(!init){
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final String path = userResource.getFilesPath(); |
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GetCommand<FolderResource> gf = new GetCommand<FolderResource>(FolderResource.class, path, null) { |
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@Override
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public void onComplete() { |
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myFolders = new MyFolderResource(getResult());
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//selectionModel.setSelected(myFolders, true);
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//rootNodes.setList(Arrays.asList((RestResource)rootResource));
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//tree.getRootTreeNode().setChildOpen(0, true);
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} |
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@Override
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public void onError(Throwable t) { |
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GWT.log("Error fetching root folder", t);
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Pithos.get().displayError("Unable to fetch root folder");
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} |
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}; |
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DeferredCommand.addCommand(gf); |
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DeferredCommand.addCommand(new GetCommand<TrashResource>(TrashResource.class, Pithos.get().getCurrentUserResource().getTrashPath(), null) { |
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@Override
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public void onComplete() { |
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trash = getResult(); |
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} |
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@Override
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public void onError(Throwable t) { |
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if(t instanceof RestException){ |
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int statusCode = ((RestException)t).getHttpStatusCode();
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// On IE status code 1223 may be returned instead of 204.
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if(statusCode == 204 || statusCode == 1223){ |
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trash = new TrashResource(Pithos.get().getCurrentUserResource().getTrashPath());
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} |
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else{
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GWT.log("", t);
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Pithos.get().displayError("Unable to fetch trash folder:"+t.getMessage());
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trash = new TrashResource(Pithos.get().getCurrentUserResource().getTrashPath());
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} |
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} |
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} |
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}); |
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GetCommand<SharedResource> gs = new GetCommand<SharedResource>(SharedResource.class, userResource.getSharedPath(), null) { |
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@Override
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public void onComplete() { |
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myshared=getResult(); |
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} |
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@Override
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public void onError(Throwable t) { |
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GWT.log("Error fetching Shared Root folder", t);
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Pithos.get().displayError("Unable to fetch Shared Root folder");
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} |
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}; |
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DeferredCommand.addCommand(gs); |
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GetCommand<OthersResource> go = new GetCommand<OthersResource>(OthersResource.class,
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userResource.getOthersPath(), null) {
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@Override
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public void onComplete() { |
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others = getResult(); |
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} |
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@Override
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public void onError(Throwable t) { |
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GWT.log("Error fetching Others Root folder", t);
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Pithos.get().displayError("Unable to fetch Others Root folder");
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} |
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}; |
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DeferredCommand.addCommand(go); |
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} |
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if(myFolders==null||trash==null||myshared==null||others==null) |
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return !DONE;
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model.getRootNodes().setList(Arrays.asList((RestResource)myFolders,(RestResource)trash,(RestResource)myshared,(RestResource)others));
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tree.getRootTreeNode().setChildOpen(0, true); |
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selectionModel.setSelected(myFolders, true);
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return DONE;
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} |
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|
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public Images getImages() {
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return images;
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} |
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|
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|
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public void updateTrashNode(){ |
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DeferredCommand.addCommand(new GetCommand<TrashResource>(TrashResource.class, Pithos.get().getCurrentUserResource().getTrashPath(), null) { |
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@Override
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public void onComplete() { |
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trash = getResult(); |
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boolean trashIsOpen = tree.getRootTreeNode().isChildOpen(1); |
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model.getRootNodes().getList().set(1, trash);
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model.getRootNodes().refresh(); |
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tree.getRootTreeNode().setChildOpen(1, true); |
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} |
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|
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@Override
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public void onError(Throwable t) { |
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if(t instanceof RestException){ |
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int statusCode = ((RestException)t).getHttpStatusCode();
|
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// On IE status code 1223 may be returned instead of 204.
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if(statusCode == 204 || statusCode == 1223){ |
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trash = new TrashResource(Pithos.get().getCurrentUserResource().getTrashPath());
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model.getRootNodes().getList().set(1, trash);
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//model.getRootNodes().refresh();
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} |
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else{
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GWT.log("", t);
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Pithos.get().displayError("Unable to fetch trash folder:"+t.getMessage());
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trash = new TrashResource(Pithos.get().getCurrentUserResource().getTrashPath());
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model.getRootNodes().getList().set(1, trash);
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//model.getRootNodes().refresh();
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} |
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} |
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} |
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}); |
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} |
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|
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public void updateRootNode(){ |
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final String path = Pithos.get().getCurrentUserResource().getFilesPath(); |
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GetCommand<FolderResource> gf = new GetCommand<FolderResource>(FolderResource.class, path, null) { |
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|
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@Override
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public void onComplete() { |
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myFolders = new MyFolderResource(getResult());
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model.getRootNodes().getList().set(0, myFolders);
|
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model.getRootNodes().refresh(); |
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tree.getRootTreeNode().setChildOpen(0, true); |
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|
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} |
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|
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@Override
|
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public void onError(Throwable t) { |
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GWT.log("Error fetching root folder", t);
|
481 |
Pithos.get().displayError("Unable to fetch root folder");
|
482 |
} |
483 |
|
484 |
}; |
485 |
DeferredCommand.addCommand(gf); |
486 |
} |
487 |
|
488 |
public void updateMySharedNode(){ |
489 |
GetCommand<SharedResource> gs = new GetCommand<SharedResource>(SharedResource.class, Pithos.get().getCurrentUserResource().getSharedPath(), null) { |
490 |
|
491 |
@Override
|
492 |
public void onComplete() { |
493 |
myshared=getResult(); |
494 |
model.getRootNodes().getList().set(2, myshared);
|
495 |
} |
496 |
|
497 |
@Override
|
498 |
public void onError(Throwable t) { |
499 |
GWT.log("Error fetching Shared Root folder", t);
|
500 |
Pithos.get().displayError("Unable to fetch Shared Root folder");
|
501 |
} |
502 |
}; |
503 |
DeferredCommand.addCommand(gs); |
504 |
} |
505 |
|
506 |
public void updateOtherNode(){ |
507 |
GetCommand<OthersResource> go = new GetCommand<OthersResource>(OthersResource.class,
|
508 |
Pithos.get().getCurrentUserResource().getOthersPath(), null) {
|
509 |
|
510 |
@Override
|
511 |
public void onComplete() { |
512 |
others = getResult(); |
513 |
model.getRootNodes().getList().set(3, others);
|
514 |
} |
515 |
|
516 |
@Override
|
517 |
public void onError(Throwable t) { |
518 |
GWT.log("Error fetching Others Root folder", t);
|
519 |
Pithos.get().displayError("Unable to fetch Others Root folder");
|
520 |
} |
521 |
}; |
522 |
DeferredCommand.addCommand(go); |
523 |
} |
524 |
|
525 |
|
526 |
public RestResource getSelection(){
|
527 |
return selectionModel.getSelectedObject();
|
528 |
} |
529 |
|
530 |
public void clearSelection(){ |
531 |
if(Pithos.get().getCurrentSelection().equals(getSelection()))
|
532 |
Pithos.get().setCurrentSelection(null);
|
533 |
selectionModel.setSelected(getSelection(), false);
|
534 |
} |
535 |
|
536 |
|
537 |
/**
|
538 |
* Retrieve the myFolders.
|
539 |
*
|
540 |
* @return the myFolders
|
541 |
*/
|
542 |
public MyFolderResource getMyFolders() {
|
543 |
return myFolders;
|
544 |
} |
545 |
|
546 |
|
547 |
/**
|
548 |
* Retrieve the myshared.
|
549 |
*
|
550 |
* @return the myshared
|
551 |
*/
|
552 |
public SharedResource getMyshared() {
|
553 |
return myshared;
|
554 |
} |
555 |
|
556 |
|
557 |
/**
|
558 |
* Retrieve the trash.
|
559 |
*
|
560 |
* @return the trash
|
561 |
*/
|
562 |
public TrashResource getTrash() {
|
563 |
return trash;
|
564 |
} |
565 |
|
566 |
|
567 |
/**
|
568 |
* Retrieve the others.
|
569 |
*
|
570 |
* @return the others
|
571 |
*/
|
572 |
public OthersResource getOthers() {
|
573 |
return others;
|
574 |
} |
575 |
|
576 |
|
577 |
/**
|
578 |
* Retrieve the model.
|
579 |
*
|
580 |
* @return the model
|
581 |
*/
|
582 |
public TreeViewModel getModel() {
|
583 |
return model;
|
584 |
} |
585 |
|
586 |
|
587 |
|
588 |
/**
|
589 |
* Retrieve the utils.
|
590 |
*
|
591 |
* @return the utils
|
592 |
*/
|
593 |
public CellTreeViewUtils getUtils() {
|
594 |
return utils;
|
595 |
} |
596 |
|
597 |
public interface RefreshHandler{ |
598 |
void onRefresh();
|
599 |
} |
600 |
|
601 |
|
602 |
public boolean isTrashOrTrashFolderSelected(){ |
603 |
return (getSelection() instanceof TrashResource) || (getSelection() instanceof TrashFolderResource); |
604 |
} |
605 |
|
606 |
public OtherUserResource getOtherUserResourceOfOtherFolder(OthersFolderResource res){
|
607 |
TreeNode n = utils.getNodeContainingResource(tree.getRootTreeNode().setChildOpen(3, true), res); |
608 |
|
609 |
if(n!=null){ |
610 |
if(n.getValue() instanceof OtherUserResource) |
611 |
return (OtherUserResource) n.getValue();
|
612 |
TreeNode parent = n.getParent();
|
613 |
|
614 |
while (parent!=null){ |
615 |
if(parent.getValue() instanceof OtherUserResource) |
616 |
return (OtherUserResource) parent.getValue();
|
617 |
parent = parent.getParent(); |
618 |
} |
619 |
} |
620 |
return null; |
621 |
} |
622 |
|
623 |
public void refreshCurrentNode(boolean clearSelection){ |
624 |
NodeInfo<RestResource> nodeInfo = (NodeInfo<RestResource>) getModel().getNodeInfo(selectionModel.getSelectedObject()); |
625 |
if(nodeInfo==null || nodeInfo.getValueUpdater()==null){ |
626 |
Pithos.get().showFileList(getSelection(),clearSelection); |
627 |
} |
628 |
else{
|
629 |
if(!clearSelection)
|
630 |
((ClearSelection)nodeInfo.getValueUpdater()).setClearSelection(clearSelection); |
631 |
nodeInfo.getValueUpdater().update(selectionModel.getSelectedObject()); |
632 |
} |
633 |
} |
634 |
|
635 |
} |