Synnefo » Pithos

package gr.ebs.gss.admin.client.ui;

import gr.ebs.gss.admin.client.TwoAdmin;

import gr.ebs.gss.server.domain.dto.FileBodyDTO;

import gr.ebs.gss.server.domain.dto.FileHeaderDTO;

import gr.ebs.gss.server.domain.dto.PermissionDTO;

import java.util.ArrayList;

import java.util.HashSet;

import java.util.List;

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.event.dom.client.KeyPressEvent;

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

import com.google.gwt.gen2.table.event.client.RowSelectionEvent;

import com.google.gwt.gen2.table.event.client.RowSelectionHandler;

import com.google.gwt.uibinder.client.UiBinder;

import com.google.gwt.uibinder.client.UiField;

import com.google.gwt.uibinder.client.UiHandler;

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

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

import com.google.gwt.user.client.rpc.AsyncCallback;

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

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

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

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

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

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

public class FilesPanel extends Composite {

        private static UserPanelUiBinder uiBinder = GWT

                        .create(UserPanelUiBinder.class);

        interface UserPanelUiBinder extends UiBinder<Widget, FilesPanel> {

        }

        @UiField TextBox searchBox;

        @UiField Button searchButton;

        @UiField(provided=true) final FilesTable filesTable = new FilesTable();

        @UiField(provided=true) Grid g =new Grid(9,6);

        @UiField(provided=true) PermissionsList permissionsGrid = new PermissionsList(new HashSet<PermissionDTO>(),"",true);

        @UiField(provided=true) VersionsList versionsList = new VersionsList(new ArrayList<FileBodyDTO>());

        private Object lastQuery;

        public FilesPanel() {

                g.setCellPadding(5);

                g.setCellSpacing(5);

                initWidget(uiBinder.createAndBindUi(this));

                searchBox.addKeyPressHandler(new KeyPressHandler() {

                        @Override

                        public void onKeyPress(KeyPressEvent event) {

                                char keyCode = event.getCharCode();

                                if (keyCode == '\r')

                                        handleClick(null);

                        }

                });

                filesTable.addRowSelectionHandler(new RowSelectionHandler() {

                        @Override

                        public void onRowSelection(RowSelectionEvent event) {

                                final FileHeaderDTO user = filesTable.getSelectedRowObject(event);

                                TwoAdmin.get().showLoadingBox();

                                if(user!=null)

                                        DeferredCommand.addCommand(new Command() {

                                                @Override

                                                public void execute() {

                                                        TwoAdmin.get().showLoadingBox();

                                                        TwoAdmin.get().getAdminService().getFile(user.getId(), new AsyncCallback<FileHeaderDTO>() {

                                                                @Override

                                                                public void onSuccess(final FileHeaderDTO result) {

                                                                        TwoAdmin.get().getAdminService().getVersions(result.getOwner().getId(), result.getId(), new AsyncCallback<List<FileBodyDTO>>() {

                                                                                @Override

                                                                                public void onFailure(Throwable caught) {

                                                                                        GWT.log("Error requesting  file details", caught);

                                                                                        TwoAdmin.get().hideLoadingBox();

                                                                                        TwoAdmin.get().showErrorBox("Error requesting file details");

                                                                                }

                                                                                @Override

                                                                                public void onSuccess(List<FileBodyDTO> versions) {

                                                                                        clearFileDetails();

                                                                                        displayFileDetails(result, versions);

                                                                                        TwoAdmin.get().hideLoadingBox();

                                                                                }

                                                                        });

                                                                }

                                                                @Override

                                                                public void onFailure(Throwable caught) {

                                                                        GWT.log("Error requesting user statistics file", caught);

                                                                        TwoAdmin.get().hideLoadingBox();

                                                                        TwoAdmin.get().showErrorBox("Error requesting user statistics");

                                                                }

                                                        });

                                                }

                                        });

                        }

                });

                clearFileDetails();

        }

        @UiHandler("searchButton")

        void handleClick(@SuppressWarnings("unused") ClickEvent e){

                final String toSearch = searchBox.getText();

                if(toSearch == null || "".equals(toSearch.trim())){

                        TwoAdmin.get().showErrorBox("You must enter a query");

                        return;

                }

                lastQuery = toSearch;

                populateTable(toSearch);

        }

        public void populateTable(String query){

                TwoAdmin.get().showLoadingBox();

                TwoAdmin.get().getAdminService().searchFiles(query,new AsyncCallback<List<FileHeaderDTO>>() {

                        @Override

                        public void onFailure(Throwable caught) {

                                TwoAdmin.get().hideLoadingBox();

                                GWT.log("Error fetching files", caught);

                                TwoAdmin.get().showErrorBox("Unable to Find any Files");

                        }

                        @Override

                        public void onSuccess(List<FileHeaderDTO> result) {

                                filesTable.showUsers(result);

                                clearFileDetails();

                                TwoAdmin.get().hideLoadingBox();

                        }

                });

        }

        public void displayFileDetails(final FileHeaderDTO file, List<FileBodyDTO> versions){

                clearFileDetails();

                versionsList.updateTable(versions);

                g.setHTML(0, 0, "<span>"  + "Name:");

                g.setHTML(0, 1, file.getName()+"</span>");

                g.setHTML(1, 0, "<span>"  + "URI:");

                g.setHTML(1, 1, file.getURI()+"</span>");

                g.setHTML(2, 0, "<span>"  + "Owner:");

                HTML userLabel =new HTML("<a href='#'>"+file.getOwner().getUsername()+"</a></span>");

                g.setWidget(2, 1, userLabel );

                userLabel.addClickHandler(new ClickHandler() {

                        @Override

                        public void onClick(ClickEvent event) {

                                TwoAdmin.get().searchUsers("username:"+file.getOwner().getUsername());

                        }

                });

                g.setHTML(3, 0, "<span>"  + "Size:");

                g.setHTML(3, 1, file.getFileSizeAsString()+"</span>");

                g.setHTML(4, 0, "<span>"  + "Content Type:");

                g.setHTML(4, 1, file.getMimeType()+"</span>");

                g.setHTML(5, 0, "<span>"  + "Creation Date:");

                g.setHTML(5, 1, file.getAuditInfo().getCreationDate()+"</span>");

                g.setHTML(6, 0, "<span>"  + "Modification Date:");

                g.setHTML(6, 1, file.getAuditInfo().getModificationDate()+"</span>");

                if(file.isVersioned())

                        g.setHTML(7, 0, "<span>"  + "File is Versioned:</span>");

                else

                        g.setHTML(7, 0, "<span>"  + "File is NOT Versioned:</span>");

                if(file.isReadForAll()){

                        g.setHTML(8, 0, "<span>"  + "Read For All:");

                        g.setHTML(8, 1, file.getURI()+"</span>");

                }

                permissionsGrid.update(file.getPermissions(), file.getURI());

        }

        public void clearFileDetails(){

                g.setHTML(0, 0, "<span>"  + "Name:");

                g.setHTML(0, 1, ""+"</span>");

                g.setHTML(1, 0, "<span>"  + "URI:");

                g.setHTML(1, 1, ""+"</span>");

                g.setHTML(2, 0, "<span>"  + "Owner:");

                g.setHTML(2, 1, ""+"</span>");

                g.setHTML(3, 0, "<span>"  + "Size:");

                g.setHTML(3, 1, ""+"</span>");

                g.setHTML(4, 0, "<span>"  + "Content Type:");

                g.setHTML(4, 1, ""+"</span>");

                g.setHTML(5, 0, "<span>"  + "Creation Date:");

                g.setHTML(5, 1, "</span>");

                g.setHTML(6, 0, "<span>"  + "Modification Date:");

                g.setHTML(6, 1, "</span>");

                g.setHTML(7, 0, "<span>"  + "File is Versioned:</span>");

                g.setHTML(8, 0, "<span>"  + "Read For All:");

                g.setHTML(8, 1, "</span>");

                permissionsGrid.clear();

                versionsList.updateTable(new ArrayList<FileBodyDTO>());

        }

        /**

         * Retrieve the lastQuery.

         *

         * @return the lastQuery

         */

        public Object getLastQuery() {

                return lastQuery;

        }

}