Java tutorial
/* * Copyright 2008, 2009 Electronic Business Systems Ltd. * * This file is part of GSS. * * GSS is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * GSS is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GSS. If not, see <http://www.gnu.org/licenses/>. */ package org.gss_project.gss.web.client.commands; import org.gss_project.gss.web.client.GSS; import org.gss_project.gss.web.client.clipboard.Clipboard; import org.gss_project.gss.web.client.clipboard.ClipboardItem; import org.gss_project.gss.web.client.rest.PostCommand; import org.gss_project.gss.web.client.rest.RestException; import org.gss_project.gss.web.client.rest.resource.FileResource; import org.gss_project.gss.web.client.rest.resource.FolderResource; import org.gss_project.gss.web.client.rest.resource.GroupResource; import org.gss_project.gss.web.client.rest.resource.RestResourceWrapper; import java.util.ArrayList; import java.util.List; import com.google.gwt.core.client.GWT; import com.google.gwt.http.client.URL; import com.google.gwt.user.client.Command; import com.google.gwt.user.client.DeferredCommand; import com.google.gwt.user.client.ui.PopupPanel; /** * @author kman Command for pasting Clipboard contents */ public class PasteCommand implements Command { private PopupPanel containerPanel; public PasteCommand(PopupPanel _containerPanel) { containerPanel = _containerPanel; } @Override public void execute() { containerPanel.hide(); Object selection = GSS.get().getCurrentSelection(); if (selection != null && selection instanceof GroupResource) { final ClipboardItem citem = GSS.get().getClipboard().getItem(); GroupResource group = (GroupResource) GSS.get().getCurrentSelection(); if (citem.getUser() != null) { PostCommand cg = new PostCommand(group.getUri() + "?name=" + citem.getUser().getUsername(), "", 201) { @Override public void onComplete() { GSS.get().getGroups().updateGroups(); GSS.get().showUserList(); GSS.get().getClipboard().setItem(null); } @Override public void onError(Throwable t) { GWT.log("", t); if (t instanceof RestException) { int statusCode = ((RestException) t).getHttpStatusCode(); if (statusCode == 405) GSS.get().displayError("You don't have the necessary permissions"); else if (statusCode == 404) GSS.get().displayError("User does not exist"); else if (statusCode == 409) GSS.get().displayError("A user with the same name already exists"); else if (statusCode == 413) GSS.get().displayError("Your quota has been exceeded"); else GSS.get().displayError( "Unable to add user:" + ((RestException) t).getHttpStatusText()); } else GSS.get().displayError("System error adding user:" + t.getMessage()); } }; DeferredCommand.addCommand(cg); return; } } FolderResource selectedFolder = null; if (selection != null && selection instanceof RestResourceWrapper) selectedFolder = ((RestResourceWrapper) selection).getResource(); //TODO:CELLTREE /* else if(GSS.get().getFolders().getCurrent() != null && ((DnDTreeItem)GSS.get().getFolders().getCurrent()).getFolderResource() != null) selectedFolder = ((DnDTreeItem)GSS.get().getFolders().getCurrent()).getFolderResource(); */ if (selectedFolder != null) { final ClipboardItem citem = GSS.get().getClipboard().getItem(); if (citem != null && citem.getRestResourceWrapper() != null) { String target = selectedFolder.getUri(); target = target.endsWith("/") ? target : target + '/'; target = target + URL.encodeComponent(citem.getRestResourceWrapper().getResource().getName()); if (citem.getOperation() == Clipboard.COPY) { PostCommand cf = new PostCommand(citem.getRestResourceWrapper().getUri() + "?copy=" + target, "", 200) { @Override public void onComplete() { //TODO:CELLTREE //GSS.get().getFolders().updateFolder((DnDTreeItem) GSS.get().getFolders().getCurrent()); GSS.get().getTreeView().updateNodeChildren(GSS.get().getTreeView().getSelection()); GSS.get().getStatusPanel().updateStats(); GSS.get().getClipboard().setItem(null); } @Override public void onError(Throwable t) { GWT.log("", t); if (t instanceof RestException) { int statusCode = ((RestException) t).getHttpStatusCode(); if (statusCode == 405) GSS.get().displayError("You don't have the necessary permissions"); else if (statusCode == 409) GSS.get().displayError("A folder with the same name already exists"); else if (statusCode == 413) GSS.get().displayError("Your quota has been exceeded"); else GSS.get().displayError( "Unable to copy folder:" + ((RestException) t).getHttpStatusText()); } else GSS.get().displayError("System error copying folder:" + t.getMessage()); } }; DeferredCommand.addCommand(cf); } else if (citem.getOperation() == Clipboard.CUT) { PostCommand cf = new PostCommand(citem.getRestResourceWrapper().getUri() + "?move=" + target, "", 200) { @Override public void onComplete() { //TODO:CELLTREE /* List<TreeItem> items = GSS.get().getFolders().getItemsOfTreeForPath(citem.getFolderResource().getUri()); for (TreeItem item : items) if (item.getParentItem() != null && !item.equals(GSS.get().getFolders().getCurrent())) GSS.get().getFolders().updateFolder((DnDTreeItem) item.getParentItem()); GSS.get().getFolders().updateFolder((DnDTreeItem) GSS.get().getFolders().getCurrent()); */ GSS.get().getTreeView().updateNodeChildren(GSS.get().getTreeView().getSelection()); GSS.get().getTreeView().updateNodeChildrenForRemove( citem.getRestResourceWrapper().getResource().getParentURI()); GSS.get().getStatusPanel().updateStats(); GSS.get().getClipboard().setItem(null); } @Override public void onError(Throwable t) { GWT.log("", t); if (t instanceof RestException) { int statusCode = ((RestException) t).getHttpStatusCode(); if (statusCode == 405) GSS.get().displayError("You don't have the necessary permissions"); else if (statusCode == 409) GSS.get().displayError("A folder with the same name already exists"); else if (statusCode == 413) GSS.get().displayError("Your quota has been exceeded"); else GSS.get().displayError( "Unable to move folder:" + ((RestException) t).getHttpStatusText()); } else GSS.get().displayError("System error moving folder:" + t.getMessage()); } }; DeferredCommand.addCommand(cf); } return; } else if (citem != null && citem.getFile() != null) { String target = selectedFolder.getUri(); target = target.endsWith("/") ? target : target + '/'; target = target + URL.encodeComponent(citem.getFile().getName()); if (citem.getOperation() == Clipboard.COPY) { PostCommand cf = new PostCommand(citem.getFile().getUri() + "?copy=" + target, "", 200) { @Override public void onComplete() { GSS.get().showFileList(true); GSS.get().getStatusPanel().updateStats(); GSS.get().getClipboard().setItem(null); } @Override public void onError(Throwable t) { GWT.log("", t); if (t instanceof RestException) { int statusCode = ((RestException) t).getHttpStatusCode(); if (statusCode == 405) GSS.get().displayError("You don't have the necessary permissions"); else if (statusCode == 404) GSS.get().displayError("File not found"); else if (statusCode == 409) GSS.get().displayError("A file with the same name already exists"); else if (statusCode == 413) GSS.get().displayError("Your quota has been exceeded"); else GSS.get().displayError( "Unable to copy file:" + ((RestException) t).getHttpStatusText()); } else GSS.get().displayError("System error copying file:" + t.getMessage()); } }; DeferredCommand.addCommand(cf); } else if (citem.getOperation() == Clipboard.CUT) { PostCommand cf = new PostCommand(citem.getFile().getUri() + "?move=" + target, "", 200) { @Override public void onComplete() { GSS.get().showFileList(true); GSS.get().getStatusPanel().updateStats(); GSS.get().getClipboard().setItem(null); } @Override public void onError(Throwable t) { GWT.log("", t); if (t instanceof RestException) { int statusCode = ((RestException) t).getHttpStatusCode(); if (statusCode == 405) GSS.get().displayError("You don't have the necessary permissions"); else if (statusCode == 404) GSS.get().displayError("File not found"); else if (statusCode == 409) GSS.get().displayError("A file with the same name already exists"); else if (statusCode == 413) GSS.get().displayError("Your quota has been exceeded"); else GSS.get().displayError( "Unable to copy file:" + ((RestException) t).getHttpStatusText()); } else GSS.get().displayError("System error copying file:" + t.getMessage()); } }; DeferredCommand.addCommand(cf); } return; } else if (citem != null && citem.getFiles() != null) { List<FileResource> res = citem.getFiles(); List<String> fileIds = new ArrayList<String>(); String target = selectedFolder.getUri(); target = target.endsWith("/") ? target : target + '/'; if (citem.getOperation() == Clipboard.COPY) { for (FileResource fileResource : res) { String fileTarget = target + fileResource.getName(); fileIds.add(fileResource.getUri() + "?copy=" + fileTarget); } int index = 0; executeCopyOrMove(index, fileIds); } else if (citem.getOperation() == Clipboard.CUT) { for (FileResource fileResource : res) { String fileTarget = target + fileResource.getName(); fileIds.add(fileResource.getUri() + "?move=" + fileTarget); } int index = 0; executeCopyOrMove(index, fileIds); } return; } } } private void executeCopyOrMove(final int index, final List<String> paths) { if (index >= paths.size()) { GSS.get().showFileList(true); GSS.get().getStatusPanel().updateStats(); GSS.get().getClipboard().setItem(null); return; } PostCommand cf = new PostCommand(paths.get(index), "", 200) { @Override public void onComplete() { executeCopyOrMove(index + 1, paths); } @Override public void onError(Throwable t) { GWT.log("", t); if (t instanceof RestException) { int statusCode = ((RestException) t).getHttpStatusCode(); if (statusCode == 405) GSS.get().displayError("You don't have the necessary permissions"); else if (statusCode == 404) GSS.get().displayError("File not found"); else if (statusCode == 409) GSS.get().displayError("A file with the same name already exists"); else if (statusCode == 413) GSS.get().displayError("Your quota has been exceeded"); else GSS.get().displayError("Unable to copy file:" + ((RestException) t).getHttpStatusText()); } else GSS.get().displayError("System error copying file:" + t.getMessage()); } }; DeferredCommand.addCommand(cf); } }