Synnefo » Pithos Web Client

/*

 * Copyright 2011 GRNET S.A. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or

 * without modification, are permitted provided that the following

 * conditions are met:

 *

 *   1. Redistributions of source code must retain the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer.

 *

 *   2. Redistributions in binary form must reproduce the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer in the documentation and/or other materials

 *      provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 *

 * The views and conclusions contained in the software and

 * documentation are those of the authors and should not be

 * interpreted as representing official policies, either expressed

 * or implied, of GRNET S.A.

 */

package gr.grnet.pithos.web.client;

import com.google.gwt.core.client.Scheduler;

import com.google.gwt.json.client.JSONArray;

import com.google.gwt.json.client.JSONString;

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

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

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

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

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

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

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

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

import com.google.gwt.core.client.GWT;

import com.google.gwt.event.dom.client.ClickEvent;

import com.google.gwt.event.dom.client.ClickHandler;

import com.google.gwt.i18n.client.DateTimeFormat;

import com.google.gwt.json.client.JSONBoolean;

import com.google.gwt.json.client.JSONObject;

import com.google.gwt.resources.client.ClientBundle;

import com.google.gwt.resources.client.ImageResource;

import com.google.gwt.user.client.Command;

import com.google.gwt.user.client.DeferredCommand;

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

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

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

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

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

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

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

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

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

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

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

import gr.grnet.pithos.web.client.tagtree.Tag;

import java.util.Iterator;

/**

 * The 'File properties' dialog box implementation.

 *

 */

public class FilePropertiesDialog extends AbstractPropertiesDialog {

        private PermissionsList permList;

        private CheckBox readForAll;

        /**

         * An image bundle for this widgets images.

         */

        public interface Images extends ClientBundle,MessagePanel.Images {

                @Source("gr/grnet/pithos/resources/edit_user.png")

                ImageResource permUser();

                @Source("gr/grnet/pithos/resources/groupevent.png")

                ImageResource permGroup();

                @Source("gr/grnet/pithos/resources/editdelete.png")

                ImageResource delete();

                @Source("gr/grnet/pithos/resources/db_update.png")

                ImageResource restore();

                @Source("gr/grnet/pithos/resources/folder_inbox.png")

                ImageResource download();

        }

        /**

         * The widget that holds the name of the file.

         */

        private TextBox name = new TextBox();

        private final CheckBox versioned = new CheckBox();

        final File file;

        private String userFullName;

    private Pithos app;

        /**

         * The widget's constructor.

         */

        public FilePropertiesDialog(Pithos _app, File _file) {

        app = _app;

        file = _file;

                // Set the dialog's caption.

                setText("File properties");

//                permList = new PermissionsList(images, file.getPermissions(), file.getOwner());

                // Outer contains inner and buttons.

                final VerticalPanel outer = new VerticalPanel();

                final FocusPanel focusPanel = new FocusPanel(outer);

                // Inner contains generalPanel and permPanel.

                inner = new DecoratedTabPanel();

                inner.setAnimationEnabled(true);

        inner.add(createGeneralPanel(), "General");

        inner.add(createSharingPanel(), "Sharing");

        inner.add(createVersionPanel(), "Versions");

        inner.selectTab(0);

        outer.add(inner);

                final HorizontalPanel buttons = new HorizontalPanel();

                // Create the 'OK' button, along with a listener that hides the dialog

                // when the button is clicked.

                final Button ok = new Button("OK", new ClickHandler() {

                        @Override

                        public void onClick(ClickEvent event) {

                                accept();

                                closeDialog();

                        }

                });

                buttons.add(ok);

                buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);

                // Create the 'Cancel' button, along with a listener that hides the

                // dialog when the button is clicked.

                final Button cancel = new Button("Cancel", new ClickHandler() {

                        @Override

                        public void onClick(ClickEvent event) {

                                closeDialog();

                        }

                });

                buttons.add(cancel);

                buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);

                buttons.setSpacing(8);

                buttons.addStyleName("pithos-TabPanelBottom");

        outer.add(buttons);

        outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);

        outer.addStyleName("pithos-TabPanelBottom");

        focusPanel.setFocus(true);

        setWidget(outer);

        }

    private VerticalPanel createGeneralPanel() {

        final VerticalPanel generalPanel = new VerticalPanel();

        final FlexTable generalTable = new FlexTable();

        generalTable.setText(0, 0, "Name");

        generalTable.setText(1, 0, "Folder");

        generalTable.setText(2, 0, "Owner");

        generalTable.setText(3, 0, "Last modified");

        generalTable.setText(4, 0, "Tags");

        name.setWidth("100%");

        name.setText(file.getName());

        generalTable.setWidget(0, 1, name);

        if(file.getParent() != null)

            generalTable.setText(1, 1, file.getParent().getName());

        else

            generalTable.setText(1, 1, "-");

        generalTable.setText(2, 1, file.getOwner());

        final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");

        generalTable.setText(3, 1, formatter.format(file.getLastModified()));

                StringBuffer tagsBuffer = new StringBuffer();

        for (String t : file.getTags())

                        tagsBuffer.append(t).append(", ");

                if (tagsBuffer.length() > 1)

                        tagsBuffer.delete(tagsBuffer.length() - 2, tagsBuffer.length() - 1);

                initialTagText = tagsBuffer.toString();

                tags.setWidth("100%");

                tags.setText(initialTagText);

                generalTable.setWidget(4, 1, tags);

        generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");

        generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");

        generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");

        generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");

        generalTable.getFlexCellFormatter().setStyleName(4, 0, "props-labels");

        generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");

        generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");

        generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");

        generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");

        generalTable.getFlexCellFormatter().setStyleName(4, 1, "props-values");

        generalTable.setCellSpacing(4);

        generalPanel.add(generalTable);

        DisclosurePanel allTags = new DisclosurePanel("All tags");

        allTagsContent = new FlowPanel();

        allTagsContent.setWidth("100%");

        for (Tag t : app.getAllTags()) {

            final Anchor tagAnchor = new Anchor(t.getName(), false);

            tagAnchor.addStyleName("pithos-tag");

            allTagsContent.add(tagAnchor);

            Label separator = new Label(", ");

            separator.addStyleName("pithos-tag");

            allTagsContent.add(separator);

            tagAnchor.addClickHandler(new ClickHandler() {

                @Override

                public void onClick(ClickEvent event) {

                    String existing = tags.getText().trim();

                    if (MULTIPLE_VALUES_TEXT.equals(existing))

                        existing = "";

                    String newTag = tagAnchor.getText().trim();

                    // insert the new tag only if it is not in the list

                    // already

                    if (existing.indexOf(newTag) == -1)

                        tags.setText(existing + (existing.length() > 0 ? ", " : "") + newTag);

                }

            });

        }

        allTags.setContent(allTagsContent);

        generalPanel.add(allTags);

        generalPanel.setSpacing(4);

        return generalPanel;

    }

    private VerticalPanel createSharingPanel() {

        VerticalPanel permPanel = new VerticalPanel();

//

//        permList = new PermissionsList(images, file.getPermissions(), file.getOwner());

//        permPanel.add(permList);

//

//        HorizontalPanel permButtons = new HorizontalPanel();

//        Button add = new Button("Add Group", new ClickHandler() {

//            @Override

//            public void onClick(ClickEvent event) {

//                PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, false);

//                dlg.center();

//            }

//        });

//        permButtons.add(add);

//        permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);

//

//        final Button addUser = new Button("Add User", new ClickHandler() {

//            @Override

//            public void onClick(ClickEvent event) {

//                PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, true);

//                dlg.center();

//            }

//        });

//        permButtons.add(addUser);

//        permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);

//

//        permButtons.setSpacing(8);

//        permButtons.addStyleName("pithos-TabPanelBottom");

//        permPanel.add(permButtons);

//

//        final Label readForAllNote = new Label("When this option is enabled, the file will be readable" +

//                    " by everyone. By checking this option, you are certifying that you have the right to " +

//                    "distribute this file and that it does not violate the Terms of Use.", true);

//        readForAllNote.setVisible(false);

//        readForAllNote.setStylePrimaryName("pithos-readForAllNote");

//

//        readForAll = new CheckBox();

//        readForAll.setValue(file.isReadForAll());

//        readForAll.addClickHandler(new ClickHandler() {

//            @Override

//            public void onClick(ClickEvent event) {

//                readForAllNote.setVisible(readForAll.getValue());

//            }

//

//        });

//

//        // Only show the read for all permission if the user is the owner.

//        if (file.getOwner().equals(app.getUsername())) {

//            final HorizontalPanel permForAll = new HorizontalPanel();

//            permForAll.add(new Label("Public"));

//            permForAll.add(readForAll);

//            permForAll.setSpacing(8);

//            permForAll.addStyleName("pithos-TabPanelBottom");

//            permForAll.add(readForAllNote);

//            permPanel.add(permForAll);

//        }

//

//

//        final HorizontalPanel pathPanel = new HorizontalPanel();

//        pathPanel.setWidth("100%");

//        pathPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);

//        pathPanel.add(new Label("Link"));

//        pathPanel.setSpacing(8);

//        pathPanel.addStyleName("pithos-TabPanelBottom");

//

//        TextBox path = new TextBox();

//        path.setWidth("100%");

//        path.addClickHandler(new ClickHandler() {

//            @Override

//            public void onClick(ClickEvent event) {

//                Pithos.enableIESelection();

//                ((TextBox) event.getSource()).selectAll();

//                Pithos.preventIESelection();

//            }

//        });

//        path.setText(file.getUri());

//        path.setTitle("Use this link for sharing the file via e-mail, IM, etc. (crtl-C/cmd-C to copy to system clipboard)");

//        path.setWidth("100%");

//        path.setReadOnly(true);

//        pathPanel.add(path);

//        permPanel.add(pathPanel);

        return permPanel;

    }

    private VerticalPanel createVersionPanel() {

        VerticalPanel versionPanel = new VerticalPanel();

//        VersionsList verList = new VersionsList(this, images, bodies);

//        versionPanel.add(verList);

//

//        HorizontalPanel vPanel = new HorizontalPanel();

//

//                vPanel.setSpacing(8);

//                vPanel.addStyleName("pithos-TabPanelBottom");

//                vPanel.add(new Label("Versioned"));

//

//                versioned.setValue(file.isVersioned());

//                vPanel.add(versioned);

//                versionPanel.add(vPanel);

//

//        HorizontalPanel vPanel2 = new HorizontalPanel();

//                vPanel2.setSpacing(8);

//                vPanel2.addStyleName("pithos-TabPanelBottom");

//

//        HTML removeAllVersion = new HTML("<span>Remove all previous versions?</span>");

//        vPanel2.add(removeAllVersion);

//

//                Button removeVersionsButton = new Button(AbstractImagePrototype.create(images.delete()).getHTML(), new ClickHandler() {

//                        @Override

//                        public void onClick(ClickEvent event) {

//                                ConfirmationDialog confirm = new ConfirmationDialog("Really " +

//                                                "remove all previous versions?", "Remove") {

//

//                                        @Override

//                                        public void cancel() {

//                                        }

//

//                                        @Override

//                                        public void confirm() {

//                                                FilePropertiesDialog.this.closeDialog();

//                                                removeAllOldVersions();

//                                        }

//

//                                };

//                                confirm.center();

//                        }

//

//                });

//                vPanel2.add(removeVersionsButton);

//        if(!file.isVersioned())

//            vPanel2.setVisible(false);

//

//        versionPanel.add(vPanel2);

        return versionPanel;

    }

        /**

         * Accepts any change and updates the file

         *

         */

        @Override

        protected void accept() {

                String newFilename = null;

//                permList.updatePermissionsAccordingToInput();

//                Set<PermissionHolder> perms = permList.getPermissions();

//                JSONObject json = new JSONObject();

                if (!name.getText().trim().equals(file.getName())) {

                        newFilename = name.getText().trim();

//                        json.put("name", new JSONString(newFilename));

                }

//                if (versioned.getValue() != file.isVersioned())

//                        json.put("versioned", JSONBoolean.getInstance(versioned.getValue()));

                //only update the read for all perm if the user is the owner

//                if (readForAll.getValue() != file.isReadForAll())

//                        if (file.getOwner().equals(Pithos.get().getCurrentUserResource().getUsername()))

//                                json.put("readForAll", JSONBoolean.getInstance(readForAll.getValue()));

//                int i = 0;

//                if (permList.hasChanges()) {

//                        GWT.log("Permissions change", null);

//                        JSONArray perma = new JSONArray();

//

//                        for (PermissionHolder p : perms) {

//                                JSONObject po = new JSONObject();

//                                if (p.getUser() != null)

//                                        po.put("user", new JSONString(p.getUser()));

//                                if (p.getGroup() != null)

//                                        po.put("group", new JSONString(p.getGroup()));

//                                po.put("read", JSONBoolean.getInstance(p.isRead()));

//                                po.put("write", JSONBoolean.getInstance(p.isWrite()));

//                                po.put("modifyACL", JSONBoolean.getInstance(p.isModifyACL()));

//                                perma.set(i, po);

//                                i++;

//                        }

//                        json.put("permissions", perma);

//                }

        String[] tagset = null;

                if (!tags.getText().equals(initialTagText))

                        tagset = tags.getText().split(",");

//                String jsonString = json.toString();

//                if(jsonString.equals("{}")){

//                        GWT.log("NO CHANGES", null);

//                        return;

//                }

        final String[] newTags = tagset;

        if (newFilename != null) {

            final String path = app.getApiPath() + app.getUsername() + file.getParent().getUri() + "/" + newFilename;

            PutRequest updateFile = new PutRequest(path) {

                @Override

                public void onSuccess(Resource result) {

                    if (newTags != null)

                        updateMetaData(path + "?update=", newTags);

                    else

                        app.updateFolder(file.getParent());

                }

                @Override

                public void onError(Throwable t) {

                    GWT.log("", t);

                    app.displayError("System error modifying file:" + t.getMessage());

                }

            };

            updateFile.setHeader("X-Auth-Token", app.getToken());

            updateFile.setHeader("X-Move-From", file.getUri());

            updateFile.setHeader("Content-Type", file.getContentType());

            Scheduler.get().scheduleDeferred(updateFile);

        }

        else if (newTags != null)

            updateMetaData(app.getApiPath() + app.getUsername() + file.getUri() + "?update=", newTags);

        }

    private void updateMetaData(String path, String[] newTags) {

        PostRequest updateFile = new PostRequest(path) {

            @Override

            public void onSuccess(Resource result) {

                app.updateFolder(file.getParent());

            }

            @Override

            public void onError(Throwable t) {

                GWT.log("", t);

                app.displayError("System error modifying file:" + t.getMessage());

            }

        };

        updateFile.setHeader("X-Auth-Token", app.getToken());

        for (String t : newTags)

            updateFile.setHeader("X-Object-Meta-" + t.trim(), "true");

        Scheduler.get().scheduleDeferred(updateFile);

    }

        private void removeAllOldVersions() {

                JSONObject json = new JSONObject();

                json.put("versioned", JSONBoolean.getInstance(false));

                GWT.log(json.toString(), null);

                PostCommand cf = new PostCommand(file.getUri() + "?update=", json.toString(), 200) {

                        @Override

                        public void onComplete() {

                                toggleVersioned(true);

                        }

                        @Override

                        public void onError(Throwable t) {

                                GWT.log("", t);

                                if (t instanceof RestException) {

                                        int statusCode = ((RestException) t).getHttpStatusCode();

                                        if (statusCode == 405)

                                                Pithos.get().displayError("You don't have the necessary permissions");

                                        else if (statusCode == 404)

                                                Pithos.get().displayError("User in permissions does not exist");

                                        else if (statusCode == 409)

                                                Pithos.get().displayError("A folder with the same name already exists");

                                        else if (statusCode == 413)

                                                Pithos.get().displayError("Your quota has been exceeded");

                                        else

                                                Pithos.get().displayError("Unable to modify file:" + ((RestException) t).getHttpStatusText());

                                } else

                                        Pithos.get().displayError("System error moifying file:" + t.getMessage());

                        }

                };

                DeferredCommand.addCommand(cf);

        }

        private void toggleVersioned(boolean versionedValue) {

                JSONObject json = new JSONObject();

                json.put("versioned", JSONBoolean.getInstance(versionedValue));

                GWT.log(json.toString(), null);

                PostCommand cf = new PostCommand(file.getUri() + "?update=", json.toString(), 200) {

                        @Override

                        public void onComplete() {

                                Pithos.get().getTreeView().refreshCurrentNode(false);

                        }

                        @Override

                        public void onError(Throwable t) {

                                GWT.log("", t);

                                if (t instanceof RestException) {

                                        int statusCode = ((RestException) t).getHttpStatusCode();

                                        if (statusCode == 405)

                                                Pithos.get().displayError("You don't have the necessary permissions");

                                        else if (statusCode == 404)

                                                Pithos.get().displayError("User in permissions does not exist");

                                        else if (statusCode == 409)

                                                Pithos.get().displayError("A folder with the same name already exists");

                                        else if (statusCode == 413)

                                                Pithos.get().displayError("Your quota has been exceeded");

                                        else

                                                Pithos.get().displayError("Unable to modify file:" + ((RestException) t).getHttpStatusText());

                                } else

                                        Pithos.get().displayError("System error moifying file:" + t.getMessage());

                        }

                };

                DeferredCommand.addCommand(cf);

        }

}