Synnefo » Pithos

/*

 *  Copyright (c) 2011 Greek Research and Technology Network

 */

package gr.grnet.pithos.web.client;

import gr.grnet.pithos.web.client.rest.MultiplePostCommand;

import gr.grnet.pithos.web.client.rest.PostCommand;

import gr.grnet.pithos.web.client.rest.RestException;

import gr.grnet.pithos.web.client.rest.resource.FileResource;

import gr.grnet.pithos.web.client.rest.resource.FolderResource;

import gr.grnet.pithos.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.AbstractImagePrototype;

import com.google.gwt.user.client.ui.MenuBar;

import com.google.gwt.user.client.ui.PopupPanel;

public class DnDFolderPopupMenu extends PopupPanel {

        public DnDFolderPopupMenu(final CellTreeView.Images newImages, final FolderResource target, final Object toCopy) {

                // The popup's constructor's argument is a boolean specifying that it

                // auto-close itself when the user clicks outside of it.

                super(true);

                setAnimationEnabled(true);

                // A dummy command that we will execute from unimplemented leaves.

                final Command cancelCmd = new Command() {

                        @Override

                        public void execute() {

                                hide();

                        }

                };

                final MenuBar contextMenu = new MenuBar(true);

                final CellTreeView folders = GSS.get().getTreeView();

                contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.cut()).getHTML() + "&nbsp;Move</span>", true, new Command() {

                                @Override

                                public void execute() {

                                        if (toCopy instanceof RestResourceWrapper){

                                                moveFolder(target, ((RestResourceWrapper) toCopy).getResource());

                                        }

                                        else if(toCopy instanceof List){

                                                List<FileResource> files = GSS.get().getFileList().getSelectedFiles();

                                                moveFiles(target, files);

                                        }

                                        hide();

                                }

                        }).setVisible(target != null);

                contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.copy()).getHTML() + "&nbsp;Copy</span>", true, new Command() {

                        @Override

                        public void execute() {

                                if (toCopy instanceof RestResourceWrapper)

                                        copyFolder(target, ((RestResourceWrapper) toCopy).getResource());

                                else if(toCopy instanceof List){

                                        List<FileResource> files = GSS.get().getFileList().getSelectedFiles();

                                    copyFiles(target, files);

                                }

                                hide();

                        }

                }).setVisible(target != null);

                contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.trash()).getHTML() + "&nbsp;Delete (Trash)</span>", true, new Command() {

                        @Override

                        public void execute() {

                                GWT.log("EXECUTE TRASH:"+toCopy.getClass().getName());

                                if (toCopy instanceof RestResourceWrapper){

                                        trashFolder(((RestResourceWrapper) toCopy).getResource());

                                }

                                else if(toCopy instanceof List){

                                        List<FileResource> files = GSS.get().getFileList().getSelectedFiles();

                                    trashFiles(files);

                                }

                                hide();

                        }

                }).setVisible(target == null);

                contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Cancel</span>", true, cancelCmd);

                add(contextMenu);

        }

        private void copyFolder(final FolderResource target, FolderResource toCopy) {

                String atarget = target.getUri();

                atarget = atarget.endsWith("/") ? atarget : atarget + '/';

                atarget = atarget + toCopy.getName();

                PostCommand cf = new PostCommand(toCopy.getUri() + "?copy=" + atarget, "", 200) {

                        @Override

                        public void onComplete() {

                                        GSS.get().getTreeView().updateNodeChildren(new RestResourceWrapper(target));

                                                                GSS.get().getStatusPanel().updateStats();

                        }

                        @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);

        }

        private void moveFolder(final FolderResource target, final FolderResource toCopy) {

                String atarget = target.getUri();

                atarget = atarget.endsWith("/") ? atarget : atarget + '/';

                atarget = atarget + toCopy.getName();

                PostCommand cf = new PostCommand(toCopy.getUri() + "?move=" + atarget, "", 200) {

                        @Override

                        public void onComplete() {

                                GWT.log("[MOVE]"+target.getUri()+"   "+ toCopy.getParentURI());

                                GSS.get().getTreeView().updateNodeChildren(new RestResourceWrapper(target));

                                                        GSS.get().getTreeView().updateNodeChildrenForRemove(toCopy.getParentURI());

                                                        GSS.get().getStatusPanel().updateStats();

                        }

                        @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);

        }

        private void copyFiles(final FolderResource ftarget, List<FileResource> files) {

                List<String> fileIds = new ArrayList<String>();

                String target = ftarget.getUri();

                target = target.endsWith("/") ? target : target + '/';

                for (FileResource fileResource : files) {

                        String fileTarget = target + URL.encodeComponent(fileResource.getName());

                        fileIds.add(fileResource.getUri() + "?copy=" + fileTarget);

                }

                int index = 0;

                executeCopyOrMoveFiles(index, fileIds);

        }

        private void moveFiles(final FolderResource ftarget, List<FileResource> files) {

                List<String> fileIds = new ArrayList<String>();

                String target = ftarget.getUri();

                target = target.endsWith("/") ? target : target + '/';

                for (FileResource fileResource : files) {

                        String fileTarget = target + URL.encodeComponent(fileResource.getName());

                        fileIds.add(fileResource.getUri() + "?move=" + fileTarget);

                }

                int index = 0;

                executeCopyOrMoveFiles(index, fileIds);

        }

        private void trashFolder(final FolderResource folder){

                PostCommand tot = new PostCommand(folder.getUri()+"?trash=","",200){

                        @Override

                        public void onComplete() {

                                GSS.get().getTreeView().updateNodeChildrenForRemove(folder.getParentURI());

                                GSS.get().getTreeView().updateTrashNode();

                                /*for(TreeItem item : items)

                                        GSS.get().getFolders().updateFolder((DnDTreeItem) item);

                                GSS.get().getFolders().update(GSS.get().getFolders().getTrashItem());

                                GSS.get().showFileList(true);

                                */

                        }

                        @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("Folder does not exist");

                                        else

                                                GSS.get().displayError("Unable to trash folder:"+((RestException)t).getHttpStatusText());

                                }

                                else

                                        GSS.get().displayError("System error trashing folder:"+t.getMessage());

                        }

                };

                DeferredCommand.addCommand(tot);

        }

        private void trashFiles(List<FileResource> files){

                final List<String> fileIds = new ArrayList<String>();

                for(FileResource f : files)

                        fileIds.add(f.getUri()+"?trash=");

                MultiplePostCommand tot = new MultiplePostCommand(fileIds.toArray(new String[0]),200){

                        @Override

                        public void onComplete() {

                                GSS.get().showFileList(true);

                        }

                        @Override

                        public void onError(String p, 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 does not exist");

                                        else

                                                GSS.get().displayError("Unable to trash file:"+((RestException)t).getHttpStatusText());

                                }

                                else

                                        GSS.get().displayError("System error trashing file:"+t.getMessage());

                        }

                };

                DeferredCommand.addCommand(tot);

        }

        private void executeCopyOrMoveFiles(final int index, final List<String> paths) {

                if (index >= paths.size()) {

                        GSS.get().showFileList(true);

                        GSS.get().getStatusPanel().updateStats();

                        return;

                }

                PostCommand cf = new PostCommand(paths.get(index), "", 200) {

                        @Override

                        public void onComplete() {

                                executeCopyOrMoveFiles(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);

        }

}