root / src / org / gss_project / gss / web / client / CellTreeView.java @ 1206:292dec4eae08
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/*
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* Copyright 2011 Electronic Business Systems Ltd.
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*
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* This file is part of GSS.
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*
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* GSS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GSS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GSS. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.gss_project.gss.web.client; |
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import org.gss_project.gss.web.client.CellTreeViewModel.ClearSelection; |
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import org.gss_project.gss.web.client.rest.GetCommand; |
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import org.gss_project.gss.web.client.rest.RestException; |
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import org.gss_project.gss.web.client.rest.resource.FolderResource; |
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import org.gss_project.gss.web.client.rest.resource.MyFolderResource; |
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import org.gss_project.gss.web.client.rest.resource.OtherUserResource; |
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import org.gss_project.gss.web.client.rest.resource.OthersFolderResource; |
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import org.gss_project.gss.web.client.rest.resource.OthersResource; |
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import org.gss_project.gss.web.client.rest.resource.RestResource; |
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import org.gss_project.gss.web.client.rest.resource.RestResourceWrapper; |
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import org.gss_project.gss.web.client.rest.resource.SharedResource; |
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import org.gss_project.gss.web.client.rest.resource.TrashFolderResource; |
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import org.gss_project.gss.web.client.rest.resource.TrashResource; |
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import org.gss_project.gss.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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/**
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* @author kman
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*
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*/
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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("org/gss_project/gss/resources/folder_home.png") |
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ImageResource home(); |
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@Source("org/gss_project/gss/resources/folder_yellow.png") |
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ImageResource folderYellow(); |
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@Source("org/gss_project/gss/resources/mimetypes/document.png") |
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ImageResource document(); |
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@Source("org/gss_project/gss/resources/internet.png") |
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ImageResource othersShared(); |
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@Source("org/gss_project/gss/resources/edit_user.png") |
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ImageResource myShared(); |
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@Source("org/gss_project/gss/resources/folder_user.png") |
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ImageResource sharedFolder(); |
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@Source("org/gss_project/gss/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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GSS.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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GSS.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 = GSS.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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GSS.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, GSS.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(GSS.get().getCurrentUserResource().getTrashPath());
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} |
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else{
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GWT.log("", t);
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GSS.get().displayError("Unable to fetch trash folder:"+t.getMessage());
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trash = new TrashResource(GSS.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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GSS.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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GSS.get().removeGlassPanel(); |
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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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GSS.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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public Images getImages() {
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return images;
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} |
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public void updateTrashNode(){ |
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DeferredCommand.addCommand(new GetCommand<TrashResource>(TrashResource.class, GSS.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(GSS.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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GSS.get().displayError("Unable to fetch trash folder:"+t.getMessage());
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trash = new TrashResource(GSS.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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public void updateRootNode(){ |
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final String path = GSS.get().getCurrentUserResource().getFilesPath(); |
| 456 |
GetCommand<FolderResource> gf = new GetCommand<FolderResource>(FolderResource.class, path, null) { |
| 457 |
|
| 458 |
@Override
|
| 459 |
public void onComplete() { |
| 460 |
myFolders = new MyFolderResource(getResult());
|
| 461 |
model.getRootNodes().getList().set(0, myFolders);
|
| 462 |
model.getRootNodes().refresh(); |
| 463 |
tree.getRootTreeNode().setChildOpen(0, true); |
| 464 |
|
| 465 |
} |
| 466 |
|
| 467 |
@Override
|
| 468 |
public void onError(Throwable t) { |
| 469 |
GWT.log("Error fetching root folder", t);
|
| 470 |
GSS.get().displayError("Unable to fetch root folder");
|
| 471 |
} |
| 472 |
|
| 473 |
}; |
| 474 |
DeferredCommand.addCommand(gf); |
| 475 |
} |
| 476 |
|
| 477 |
public void updateMySharedNode(){ |
| 478 |
GetCommand<SharedResource> gs = new GetCommand<SharedResource>(SharedResource.class, GSS.get().getCurrentUserResource().getSharedPath(), null) { |
| 479 |
|
| 480 |
@Override
|
| 481 |
public void onComplete() { |
| 482 |
myshared=getResult(); |
| 483 |
model.getRootNodes().getList().set(2, myshared);
|
| 484 |
} |
| 485 |
|
| 486 |
@Override
|
| 487 |
public void onError(Throwable t) { |
| 488 |
GWT.log("Error fetching Shared Root folder", t);
|
| 489 |
GSS.get().displayError("Unable to fetch Shared Root folder");
|
| 490 |
} |
| 491 |
}; |
| 492 |
DeferredCommand.addCommand(gs); |
| 493 |
} |
| 494 |
|
| 495 |
public void updateOtherNode(){ |
| 496 |
GetCommand<OthersResource> go = new GetCommand<OthersResource>(OthersResource.class,
|
| 497 |
GSS.get().getCurrentUserResource().getOthersPath(), null) {
|
| 498 |
|
| 499 |
@Override
|
| 500 |
public void onComplete() { |
| 501 |
others = getResult(); |
| 502 |
model.getRootNodes().getList().set(3, others);
|
| 503 |
} |
| 504 |
|
| 505 |
@Override
|
| 506 |
public void onError(Throwable t) { |
| 507 |
GWT.log("Error fetching Others Root folder", t);
|
| 508 |
GSS.get().displayError("Unable to fetch Others Root folder");
|
| 509 |
} |
| 510 |
}; |
| 511 |
DeferredCommand.addCommand(go); |
| 512 |
} |
| 513 |
|
| 514 |
|
| 515 |
public RestResource getSelection(){
|
| 516 |
return selectionModel.getSelectedObject();
|
| 517 |
} |
| 518 |
|
| 519 |
public void clearSelection(){ |
| 520 |
if(GSS.get().getCurrentSelection().equals(getSelection()))
|
| 521 |
GSS.get().setCurrentSelection(null);
|
| 522 |
selectionModel.setSelected(getSelection(), false);
|
| 523 |
} |
| 524 |
|
| 525 |
|
| 526 |
/**
|
| 527 |
* Retrieve the myFolders.
|
| 528 |
*
|
| 529 |
* @return the myFolders
|
| 530 |
*/
|
| 531 |
public MyFolderResource getMyFolders() {
|
| 532 |
return myFolders;
|
| 533 |
} |
| 534 |
|
| 535 |
|
| 536 |
/**
|
| 537 |
* Retrieve the myshared.
|
| 538 |
*
|
| 539 |
* @return the myshared
|
| 540 |
*/
|
| 541 |
public SharedResource getMyshared() {
|
| 542 |
return myshared;
|
| 543 |
} |
| 544 |
|
| 545 |
|
| 546 |
/**
|
| 547 |
* Retrieve the trash.
|
| 548 |
*
|
| 549 |
* @return the trash
|
| 550 |
*/
|
| 551 |
public TrashResource getTrash() {
|
| 552 |
return trash;
|
| 553 |
} |
| 554 |
|
| 555 |
|
| 556 |
/**
|
| 557 |
* Retrieve the others.
|
| 558 |
*
|
| 559 |
* @return the others
|
| 560 |
*/
|
| 561 |
public OthersResource getOthers() {
|
| 562 |
return others;
|
| 563 |
} |
| 564 |
|
| 565 |
|
| 566 |
/**
|
| 567 |
* Retrieve the model.
|
| 568 |
*
|
| 569 |
* @return the model
|
| 570 |
*/
|
| 571 |
public TreeViewModel getModel() {
|
| 572 |
return model;
|
| 573 |
} |
| 574 |
|
| 575 |
|
| 576 |
|
| 577 |
/**
|
| 578 |
* Retrieve the utils.
|
| 579 |
*
|
| 580 |
* @return the utils
|
| 581 |
*/
|
| 582 |
public CellTreeViewUtils getUtils() {
|
| 583 |
return utils;
|
| 584 |
} |
| 585 |
|
| 586 |
public interface RefreshHandler{ |
| 587 |
void onRefresh();
|
| 588 |
} |
| 589 |
|
| 590 |
|
| 591 |
public boolean isTrashOrTrashFolderSelected(){ |
| 592 |
return (getSelection() instanceof TrashResource) || (getSelection() instanceof TrashFolderResource); |
| 593 |
} |
| 594 |
|
| 595 |
public OtherUserResource getOtherUserResourceOfOtherFolder(OthersFolderResource res){
|
| 596 |
TreeNode n = utils.getNodeContainingResource(tree.getRootTreeNode().setChildOpen(3, true), res); |
| 597 |
|
| 598 |
if(n!=null){ |
| 599 |
if(n.getValue() instanceof OtherUserResource) |
| 600 |
return (OtherUserResource) n.getValue();
|
| 601 |
TreeNode parent = n.getParent();
|
| 602 |
|
| 603 |
while (parent!=null){ |
| 604 |
if(parent.getValue() instanceof OtherUserResource) |
| 605 |
return (OtherUserResource) parent.getValue();
|
| 606 |
parent = parent.getParent(); |
| 607 |
} |
| 608 |
} |
| 609 |
return null; |
| 610 |
} |
| 611 |
|
| 612 |
public void refreshCurrentNode(boolean clearSelection){ |
| 613 |
NodeInfo<RestResource> nodeInfo = (NodeInfo<RestResource>) getModel().getNodeInfo(selectionModel.getSelectedObject()); |
| 614 |
if(nodeInfo==null || nodeInfo.getValueUpdater()==null){ |
| 615 |
GSS.get().showFileList(getSelection(),clearSelection); |
| 616 |
} |
| 617 |
else{
|
| 618 |
if(!clearSelection)
|
| 619 |
((ClearSelection)nodeInfo.getValueUpdater()).setClearSelection(clearSelection); |
| 620 |
nodeInfo.getValueUpdater().update(selectionModel.getSelectedObject()); |
| 621 |
} |
| 622 |
} |
| 623 |
|
| 624 |
} |