Example usage for com.google.gwt.event.dom.client LoadHandler LoadHandler

Introduction

In this page you can find the example usage for com.google.gwt.event.dom.client LoadHandler LoadHandler.

Prototype

LoadHandler

Source Link

Usage

From source file:anagram.client.LogoGroup.java

License:Apache License

public LogoGroup(double width, double height, int numLogos, double radius) {
    this.width = width;
    this.height = height;
    this.numLogos = numLogos;
    this.radius = radius;

    // init logos array
    logos = new Logo[numLogos];

    // init image
    logoImg = new Image("gwtlogo40_40.png");
    logoImg.addLoadHandler(new LoadHandler() {
        public void onLoad(LoadEvent event) {
            imageLoaded = true;/*  ww w. j ava  2  s .c  o m*/
            // once image is loaded, init logo objects
            ImageElement imageElement = (ImageElement) logoImg.getElement().cast();
            for (int i = logos.length - 1; i >= 0; i--) {
                Logo logo = new Logo(imageElement);
                logo.pos.x = LogoGroup.this.width / 2;
                logo.pos.y = LogoGroup.this.height / 2;
                logos[i] = logo;
            }
        }
    });
    logoImg.setVisible(false);
    RootPanel.get().add(logoImg); // image must be on page to fire load
}

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From source file:at.ait.dme.yuma.client.Application.java

License:EUPL

private void initApplication(String imageUrl) {
    showHeader();/*  w  w  w.  ja v  a 2 s  .  c  om*/

    showImage(imageUrl);

    // the image has to be completely loaded before we can show the annotations
    // otherwise possible fragments can not be displayed properly
    imageComposite.addLoadHandler(new LoadHandler() {
        public void onLoad(LoadEvent events) {
            // first we authenticate the user by either using the provided
            // user name or the secure authentication token.   
            String userName = getRequestParameterValue("user");
            if (userName != null && !userName.trim().isEmpty()) {
                // TODO deactivate this if you ever go into production               
                setAuthenticatedUser(new User(userName));
                showAnnotations();
                return;
            }

            String authToken = getRequestParameterValue("authToken");
            String appSign = getRequestParameterValue("appSign");

            AuthenticationServiceAsync authService = (AuthenticationServiceAsync) GWT
                    .create(AuthenticationService.class);
            authService.authenticate(authToken, appSign, new AsyncCallback<User>() {
                public void onFailure(Throwable caught) {
                    ErrorMessages errorMessages = (ErrorMessages) GWT.create(ErrorMessages.class);
                    Window.alert(errorMessages.failedToAuthenticate());
                    // create non-privileged user to use read-only mode.
                    setAuthenticatedUser(new User());
                    showAnnotations();
                }

                public void onSuccess(User user) {
                    setAuthenticatedUser(user);
                    showAnnotations();
                }
            });
        }
    });
}

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From source file:at.ait.dme.yuma.client.Application.java

License:EUPL

/**
 * show the header (search field and logo)
 *//* w  w w.  ja v  a2 s. c o m*/
private void showHeader() {
    if (Application.isInTileMode())
        return;

    final HorizontalPanel hPanel = new HorizontalPanel();

    // removed the search since it's not needed by europeana
    // show the search field      
    /*final TextBox searchTerm = new TextBox();
    searchTerm.setStyleName("imageAnnotation-search-term");
    searchTerm.addKeyDownHandler(new KeyDownHandler() {
       public void onKeyDown(KeyDownEvent event) {
    if(event.getNativeKeyCode()==KeyCodes.KEY_ENTER)
       startSearch(searchTerm.getText());
       }
    });
    hPanel.add(searchTerm);
            
    // show the search button
    Button search = new Button(getConstants().annotationSearch());
    search.setStyleName("imageAnnotation-search");
    search.addClickHandler(new ClickHandler() {
       public void onClick(ClickEvent event) {
    startSearch(searchTerm.getText());
       }   
    });
    hPanel.add(search);*/

    // show the logo
    String dbName = getDatabaseName();
    if (dbName == null)
        dbName = "ait";
    String logoPath = "images/" + dbName + ".gif";
    final Image logo = new Image(logoPath);
    // workaround for IE caching issue see 
    // http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/11851753ba99454d/6079e2e2b9aea4bf
    DOM.setElementAttribute(logo.getElement(), "src", logoPath);

    // see also http://code.google.com/p/google-web-toolkit/issues/detail?id=2149
    if (logo.getWidth() > 0) {
        RootPanel.get().add(hPanel, logo.getWidth() + 20, 50);
    } else {
        logo.addLoadHandler(new LoadHandler() {
            public void onLoad(LoadEvent event) {
                RootPanel.get().add(hPanel, logo.getWidth() + 20, 50);
            }
        });
    }
    RootPanel.get().add(logo, 10, 10);
}

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From source file:at.ait.dme.yuma.suite.apps.image.client.YumaImageClient.java

License:EUPL

private void initApplication(String imageUrl) {
    imageViewer = new ImageViewer(imageUrl);
    RootPanel.get().add(imageViewer, 10, 10);

    imageViewer.addLoadHandler(new LoadHandler() {
        public void onLoad(LoadEvent events) {
            AuthServiceAsync authService = (AuthServiceAsync) GWT.create(AuthService.class);

            authService.getUser(new AsyncCallback<User>() {
                public void onFailure(Throwable caught) {
                    User.set(User.ANONYMOUS);
                    showAnnotations();/*from   w  w w.  j a  va  2s .co  m*/
                }

                public void onSuccess(User user) {
                    User.set(user);
                    showAnnotations();
                }
            });
        }
    });
}

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From source file:at.ait.dme.yuma.suite.apps.map.client.YumaMapClient.java

License:EUPL

private void initApplication(String mapUrl) {
    mapViewer = new TileBasedImageViewer(mapUrl);
    RootPanel.get().add(mapViewer, 0, 0);

    mapViewer.addLoadHandler(new LoadHandler() {
        public void onLoad(LoadEvent events) {
            AuthServiceAsync authService = (AuthServiceAsync) GWT.create(AuthService.class);

            authService.getUser(new AsyncCallback<User>() {
                public void onFailure(Throwable caught) {
                    User.set(User.ANONYMOUS);
                    showAnnotations();//  ww  w.  j  av a  2s . co  m
                }

                public void onSuccess(User user) {
                    User.set(user);
                    showAnnotations();
                }
            });
        }
    });
}

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From source file:ch.takoyaki.email.html.client.HtmlPreview.java

License:Open Source License

public HtmlPreview(FileService fservice) {
    initWidget(uiBinder.createAndBindUi(this));
    this.fservice = fservice;
    getFrame().getElement().setId(preview_id);

    getFrame().addDomHandler(new LoadHandler() {
        public void onLoad(LoadEvent event) {
            setScrollTop(getScrollTopValue());
        }// w  ww .  j  a  va2 s .c  om
    }, LoadEvent.getType());
}

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From source file:ch.unifr.pai.mindmap.client.components.websearch.ProxyLayoutPanel.java

License:Apache License

/**
 * builds a wrapper around the frame providing an address bar and multi-user aware forward- and backward-buttons
 *///w  ww  . jav a2  s  .  c om
public ProxyLayoutPanel() {
    super(Unit.PX);
    addressBar.add(b);
    b.setHeight("100%");
    f.setHeight("100%");
    url.setHeight("100%");
    addressBar.add(f);
    addressBar.add(url);
    addressBar.setCellWidth(url, "100%");
    b.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
            if (history.size() > 1) {
                String url = history.remove(history.size() - 2);
                forwardHistory.add(getCurrentFrameUrl());
                navigateByHistory = true;
                setUrl(url, false);
            }
        }
    });
    f.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
            if (forwardHistory.size() > 0) {
                String url = forwardHistory.remove(forwardHistory.size() - 1);
                setUrl(url, false);
            }
        }
    });
    url.addValueChangeHandler(new ValueChangeHandler<String>() {

        @Override
        public void onValueChange(ValueChangeEvent<String> event) {
            setUrl(event.getValue(), true);
        }
    });
    url.setWidth("100%");
    addNorth(addressBar, 30);
    setUrl("mice/init?miceManaged=true&uuid=" + UUID.get(), false);
    initialLoader = frame.addLoadHandler(new LoadHandler() {

        @Override
        public void onLoad(LoadEvent event) {
            load();
        }
    });
    add(frame);
}

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From source file:ch.unifr.pai.mindmap.client.components.websearch.ProxyLayoutPanel.java

License:Apache License

/**
 * Initially load the frame and open a web page accessed through the provided forward proxy server
 *//*from w w w.ja  v a 2s  .  c om*/
private void load() {
    if (initialLoader != null) {
        initialLoader.removeHandler();
        frame.addLoadHandler(new LoadHandler() {

            @Override
            public void onLoad(LoadEvent event) {
                String urlString = getCurrentFrameUrl();
                url.setText(urlString);
                if (!navigateByHistory)
                    history.add(urlString);
                navigateByHistory = false;
            }
        });
        setUrl("http://www.google.ch/", true);
    }
}

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From source file:ch.unifr.pai.twice.widgets.mpbrowser.client.MPBrowser.java

License:Apache License

@Override
public void onModuleLoad() {
    multiCursor.start();//from www. j a  va 2s.co m
    scrollBar.getElement().getStyle().setBackgroundColor("lightgrey");
    scrollBar.addNorth(scrollUp, 30);
    scrollBar.addSouth(scrollDown, 30);
    scrollBar.add(new HTML());
    textBox.setWidth("100%");
    navig.add(backward);
    navig.add(forward);
    navig.setCellWidth(backward, "50px");
    navig.setCellWidth(forward, "50px");
    navig.add(textBox);
    navig.setWidth("100%");
    Storage s = Storage.getSessionStorageIfSupported();
    if (s != null) {
        String type = s.getItem("ch.unifr.pai.mice.deviceType");
        if (type == null || !type.equals("multicursor")) {
            s.setItem("ch.unifr.pai.mice.deviceType", "multicursor");
        }
    }
    frame.setUrl(GWT.getHostPageBaseURL() + "http://www.google.ch");
    frame.setHeight("100%");
    frame.setWidth("100%");
    frame.getElement().setAttribute("scrolling", "no");
    frame.addLoadHandler(new LoadHandler() {

        @Override
        public void onLoad(LoadEvent event) {
            if (frame.getUrl() != null && !frame.getUrl().startsWith(GWT.getHostPageBaseURL())) {
                frame.setUrl(GWT.getHostPageBaseURL() + frame.getUrl());
                updateScrollBar();
            }
            Document d = IFrameElement.as(frame.getElement()).getContentDocument();
            textBox.setValue(d.getURL());
        }
    });
    scrollBar2.getElement().getStyle().setBackgroundColor("lightgrey");
    scrollBar2.addNorth(scrollUp2, 30);
    scrollBar2.addSouth(scrollDown2, 30);
    scrollBar2.add(new HTML());
    textBox2.setWidth("100%");
    navig2.add(backward2);
    navig2.add(forward2);
    navig2.setCellWidth(backward2, "50px");
    navig2.setCellWidth(forward2, "50px");
    navig2.add(textBox2);
    navig2.setWidth("100%");

    frame2.setUrl(GWT.getHostPageBaseURL() + "http://www.google.ch");
    frame2.setHeight("100%");
    frame2.setWidth("100%");
    frame2.getElement().setAttribute("scrolling", "no");
    frame2.addLoadHandler(new LoadHandler() {

        @Override
        public void onLoad(LoadEvent event) {
            if (frame2.getUrl() != null && !frame2.getUrl().startsWith(GWT.getHostPageBaseURL())) {
                frame2.setUrl(GWT.getHostPageBaseURL() + frame2.getUrl());
                updateScrollBar2();
            }
            Document d = IFrameElement.as(frame2.getElement()).getContentDocument();
            textBox2.setValue(d.getURL());
        }
    });

    DockLayoutPanel p = new DockLayoutPanel(Unit.PX);
    p.addNorth(navig, 25);
    p.addEast(scrollBar, 30);
    p.add(frame);
    browserSplit.addNorth(p, 500);

    DockLayoutPanel p2 = new DockLayoutPanel(Unit.PX);
    p2.addNorth(navig2, 25);
    p2.addEast(scrollBar2, 30);
    p2.add(frame2);
    browserSplit.add(p2);

    RootLayoutPanel.get().add(browserSplit);
}

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From source file:co.fxl.gui.gwt.GWTFrame.java

License:Open Source License

@Override
public IFrame addLoadListener(final ILoadListener l) {
    container.widget.addLoadHandler(new LoadHandler() {
        @Override/* w w w  .  j  a va  2s.  co m*/
        public void onLoad(LoadEvent event) {
            l.onLoad();
        }
    });
    return this;
}

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