Synnefo » Pithos

/*

 *  Copyright (c) 2011 Greek Research and Technology Network

 */

package gr.grnet.pithos.web.client;

import gr.grnet.pithos.web.client.foldertree.File;

import gr.grnet.pithos.web.client.foldertree.Folder;

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 Folder 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 Folder) {

                    moveFolder(target, (Folder) toCopy);

                }

                else if (toCopy instanceof List) {

                    List<File> 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 Folder)

                    copyFolder(target, (Folder) toCopy);

                else if (toCopy instanceof List) {

                    List<File> 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<File> 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 Folder target, Folder 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 Folder target, final Folder 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 Folder ftarget, List<File> files) {

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

//        String target = ftarget.getUri();

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

//        for (File file : files) {

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

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

//        }

//        int index = 0;

//        executeCopyOrMoveFiles(index, fileIds);

    }

    private void moveFiles(final Folder ftarget, List<File> files) {

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

//        String target = ftarget.getUri();

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

//        for (File file : files) {

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

//            fileIds.add(file.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<File> files) {

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

        for (File 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);

    }

}