Synnefo » Pithos Web Client

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

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

    Dictionary otherProperties = Dictionary.getDictionary("otherProperties");

    Pithos app;

    String appData;

    TextArea msg;

    /**

     * The widget constructor.

     */

    public FeedbackDialog(final Pithos _app, final String _appData) {

        app = _app;

        appData = _appData;

        // Set the dialog's caption.

        Anchor close = new Anchor("close");

        close.addStyleName("close");

        close.addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                hide();

            }

        });

        setText("Send feedback");

        setGlassEnabled(true);

        setStyleName("pithos-DialogBox");

        VerticalPanel outer = new VerticalPanel();

        outer.add(close);

        VerticalPanel inner = new VerticalPanel();

        inner.addStyleName("inner");

        // Create the text and set a style name so we can style it with CSS.

        HTML text = new HTML("Pithos+ is currently in alpha test and we would appreciate any<br>" + "kind of feedback. We welcome any suggestions, questions and<br>" + " bug reports you may have.");

        text.setStyleName("pithos-credentialsText");

        inner.add(text);

        FlexTable table = new FlexTable();

        table.setText(0, 0, "Please describe your problem here, provide as many details as possible");

        msg = new TextArea();

        msg.setWidth("100%");

        msg.setHeight("100px");

        table.setWidget(1, 0, msg);

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

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

        inner.add(table);

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

        // when the button is clicked.

        Button confirm = new Button("Submit feedback", new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                sendFeedback();

                hide();

            }

        });

        confirm.addStyleName("button");

        inner.add(confirm);

        outer.add(inner);

        outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);

        setWidget(outer);

    }

    @Override

    protected void onPreviewNativeEvent(NativePreviewEvent preview) {

        super.onPreviewNativeEvent(preview);

        NativeEvent evt = preview.getNativeEvent();

        if(evt.getType().equals("keydown")) {

            // 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:

                    sendFeedback();

                    hide();

                    break;

                case KeyCodes.KEY_ESCAPE:

                    hide();

                    break;

            }

        }

    }

    /**

     */

    void sendFeedback() {

        final String feedbackURL = otherProperties.get("feedbackUrl");

        PostRequest sendFeedback = new PostRequest("", "", feedbackURL, "feedback_msg=" + msg.getText() + "&feedback_data=" + appData + "&auth=" + app.getUserToken()) {

            @Override

            protected void onUnauthorized(Response response) {

                app.sessionExpired();

            }

            @Override

            public void onSuccess(Resource result) {

                app.displayInformation("Feedback sent");

            }

            @Override

            public void onError(Throwable t) {

                app.displayError("Could not send feedback");

            }

        };

        sendFeedback.setHeader("X-Auth-Token", app.getUserToken());

        Scheduler.get().scheduleDeferred(sendFeedback);

    }