root / web_client / src / gr / grnet / pithos / web / client / commands / UploadFileCommand.java @ 58777026
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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.commands; |
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import gr.grnet.pithos.web.client.FileUploadDialog; |
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import gr.grnet.pithos.web.client.GSS; |
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import gr.grnet.pithos.web.client.rest.GetCommand; |
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import gr.grnet.pithos.web.client.rest.resource.FileResource; |
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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.RestResource; |
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import gr.grnet.pithos.web.client.rest.resource.RestResourceWrapper; |
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import java.util.ArrayList; |
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import java.util.List; |
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import com.google.gwt.core.client.GWT; |
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import com.google.gwt.user.client.Command; |
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import com.google.gwt.user.client.DeferredCommand; |
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import com.google.gwt.user.client.IncrementalCommand; |
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import com.google.gwt.user.client.ui.PopupPanel; |
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/**
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* Upload a file command
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*
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*/
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public class UploadFileCommand implements Command { |
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private PopupPanel containerPanel;
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private List<FileResource> files; |
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public UploadFileCommand(PopupPanel _containerPanel) {
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containerPanel = _containerPanel; |
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} |
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@Override
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public void execute() { |
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if(containerPanel!=null) |
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containerPanel.hide(); |
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displayNewFile(); |
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} |
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/**
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* Display the 'new file' dialog for uploading a new file to the system.
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*/
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private void displayNewFile() { |
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RestResource currentFolder = GSS.get().getTreeView().getSelection(); |
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if (currentFolder == null) { |
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GSS.get().displayError("You have to select the parent folder first");
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return;
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} |
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getFileList(); |
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DeferredCommand.addCommand(new IncrementalCommand() {
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@Override
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public boolean execute() { |
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boolean res = canContinue();
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if (res) {
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FileUploadDialog dlg = GWT.create(FileUploadDialog.class); |
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dlg.setFiles(files); |
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dlg.center(); |
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return false; |
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} |
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return true; |
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} |
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}); |
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} |
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private boolean canContinue() { |
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if (files != null ) |
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return true; |
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return false; |
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} |
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private void getFileList() { |
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GetCommand<FolderResource> eg = new GetCommand<FolderResource>(FolderResource.class,((RestResourceWrapper)GSS.get().getTreeView().getSelection()).getUri(), null){ |
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@Override
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public void onComplete() { |
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files = getResult().getFiles(); |
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} |
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@Override
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public void onError(Throwable t) { |
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files = new ArrayList<FileResource>(); |
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} |
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}; |
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DeferredCommand.addCommand(eg); |
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} |
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} |