Synnefo » Pithos Web Client

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

import gr.grnet.pithos.web.client.grouptree.Group;

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

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

    /**

     * The widget that holds the folderName of the folder.

     */

    TextBox userName = new TextBox();

    final VerticalPanel inner;

    /**

     * The widget's constructor.

     */

    public AddUserDialog(final Pithos app, Group _group) {

        Anchor close = new Anchor("close");

        close.addStyleName("close");

        close.addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                hide();

            }

        });

        setGlassEnabled(true);

        setStyleName("pithos-DialogBox");

        // Enable IE selection for the dialog (must disable it upon closing it)

        Pithos.enableIESelection();

        // Use this opportunity to set the dialog's caption.

        setText("Add user");

        // Outer contains inner and buttons

        VerticalPanel outer = new VerticalPanel();

        outer.add(close);

        // Inner contains generalPanel and permPanel

        inner = new VerticalPanel();

        inner.addStyleName("inner");

        VerticalPanel generalPanel = new VerticalPanel();

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

        // when the button is clicked and quits the application.

        String okLabel = "Create";

        final Button ok = new Button(okLabel, new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                addUser();

                closeDialog();

            }

        });

        ok.addStyleName("button");

        outer.add(ok);

    }

    @Override

    public void center() {

        super.center();

        userName.setFocus(true);

    }

    @Override

    protected void onPreviewNativeEvent(NativePreviewEvent preview) {

        super.onPreviewNativeEvent(preview);

        NativeEvent evt = preview.getNativeEvent();

        if(evt.getType().equals(KeyDownEvent.getType().getName()))

        // Use the popup's key preview hooks to close the dialog when either

        // enter or escape is pressed.

        {

            switch(evt.getKeyCode()) {

                case KeyCodes.KEY_ENTER:

                    addUser();

                    closeDialog();

                    break;

                case KeyCodes.KEY_ESCAPE:

                    break;

            }

        }

    }

    /**

     * Enables IE selection prevention and hides the dialog

     * (we disable the prevention on creation of the dialog)

     */

    public void closeDialog() {

        Pithos.preventIESelection();

        hide();

    }

    /**

     * Generate an RPC request to create a new folder.

     */

    void addUser() {

        String name = userName.getText().trim();

        if(name.length() == 0) {

            return;

        }

        if(!Const.EMAIL_REGEX.test(name)) {

            app.displayWarning("Username must be a valid email address");

            return;

        }

        group.addMember(name);

        String path = "?update=";

        PostRequest updateGroup = new PostRequest(app.getApiPath(), app.getUserID(), path) {

            @Override

            public void onSuccess(Resource result) {

                app.updateGroupNode(group);

            }

            @Override

            public void onError(Throwable t) {

                GWT.log("", t);

                app.setError(t);

                if(t instanceof RestException) {

                    app.displayError("Unable to update group:" + ((RestException) t).getHttpStatusText());

                }

                else {

                    app.displayError("System error updating group:" + t.getMessage());

                }

            }

            @Override

            protected void onUnauthorized(Response response) {

                app.sessionExpired();

            }

        };

        updateGroup.setHeader(Const.X_AUTH_TOKEN, app.getUserToken());

        String groupMembers = "";

        for(String u : group.getMembers()) {

            groupMembers += (URL.encodePathSegment(u) + ",");

        }

        updateGroup.setHeader(Const.X_ACCOUNT_GROUP_ + URL.encodePathSegment(group.getName()), groupMembers);

        Scheduler.get().scheduleDeferred(updateGroup);

    }