Example usage for com.google.gwt.user.client.ui Image addLoadHandler

List of usage examples for com.google.gwt.user.client.ui Image addLoadHandler

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Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui Image addLoadHandler.

Prototype

public HandlerRegistration addLoadHandler(LoadHandler handler)

Source Link

Usage

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

License:EUPL

/**
 * show the header (search field and logo)
 *//*from  w  w w . j a v a 2s.co 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);
}

From source file:com.example.texture_mapping.client.Texture_mapping.java

License:Apache License

/**
* Handles image loading./*from w w w  .  ja  va 2 s .co  m*/
* @param imageResource
* @return {@link Image} to be used as a texture
*/
public Image getImage(final ImageResource imageResource) {
    final Image img = new Image();
    img.addLoadHandler(new LoadHandler() {
        @Override
        public void onLoad(LoadEvent event) {
            RootPanel.get().remove(img);
        }
    });
    img.setVisible(false);
    RootPanel.get().add(img);

    img.setUrl(imageResource.getURL());

    return img;
}

From source file:com.facebook.tsdb.tsdash.client.plot.ImagePlot.java

License:Apache License

@Override
public void render(final Command onRendered) {
    final Image newImage = new Image(url);
    newImage.addLoadHandler(new LoadHandler() {
        @Override/*  w ww . j  a va2s .  c om*/
        public void onLoad(LoadEvent event) {
            endRender(newImage);
            newImage.setVisible(true);
            onRendered.execute();
        }
    });
    newImage.setVisible(false);
    startRender(newImage);
}

From source file:com.fullmetalgalaxy.client.game.context.WgtContextMinimap.java

License:Open Source License

public void redraw() {
    assert GameEngine.model() != null;
    Game game = GameEngine.model().getGame();

    // if( m_lastResfreshTurn != game.getCurrentTimeStep() ||
    // m_lastResfreshGameId != game.getId() )
    {/* w  ww .  jav a2s  . co m*/
        m_lastResfreshTurn = game.getCurrentTimeStep();
        m_lastResfreshGameId = game.getId();

        canvas.setCoordinateSpaceWidth(game.getLandWidth() * 8);
        canvas.setCoordinateSpaceHeight(game.getLandHeight() * 8 + 4);

        Context2d gc = canvas.getContext2d();
        gc.clearRect(0, 0, game.getLandWidth(), game.getLandHeight());

        // draw lands
        ImageElement[] images = new ImageElement[LandType.values().length];
        for (int iLand = 0; iLand < LandType.values().length; iLand++) {
            LandType land = LandType.values()[iLand];
            Image img = new Image("/images/board/" + game.getPlanetType().getFolderName() + "/minimap/"
                    + land.getImageName(game.getCurrentTide()));
            img.addLoadHandler(new LoadHandler() {
                @Override
                public void onLoad(LoadEvent event) {
                    m_lastResfreshTurn = -1;
                    m_lastResfreshGameId = -1;
                }
            });
            images[iLand] = ImageElement.as(img.getElement());
            Image.prefetch(img.getUrl());
        }
        for (int ix = 0; ix < game.getLandWidth(); ix++) {
            for (int iy = 0; iy < game.getLandHeight(); iy++) {
                if (game.getLand(ix, iy) == LandType.Montain) {
                    gc.drawImage(images[game.getLand(ix, iy).ordinal()], ix * 8, iy * 8 + (ix % 2) * 4, 8, 8);
                } else {
                    gc.drawImage(images[game.getLand(ix, iy).ordinal()], ix * 8, iy * 8 + (ix % 2) * 4, 8, 8);
                }
            }
        }

        // draw units
        for (EbToken token : game.getSetToken()) {
            if (token.getLocation() == Location.Board && token.getColor() != EnuColor.None) {
                gc.drawImage(tokenImages[token.getColor()], token.getPosition().getX() * 8,
                        token.getPosition().getY() * 8 + (token.getPosition().getX() % 2) * 4, 8, 8);
                for (AnBoardPosition position : token.getExtraPositions(game.getCoordinateSystem())) {
                    gc.drawImage(tokenImages[token.getColor()], position.getX() * 8,
                            position.getY() * 8 + (position.getX() % 2) * 4, 8, 8);
                }
            }
        }
    }

    if (game.getStatus() == GameStatus.Open || game.getStatus() == GameStatus.Pause) {
        m_panel.add(new Image(Icons.s_instance.pause32()), FmpConstant.miniMapWidth / 2 - 16,
                FmpConstant.miniMapHeight / 2 - 16);
        m_panel.add(new Label("En Pause"), 0, FmpConstant.miniMapHeight / 2 + 30);
    } else if (game.isFinished()) {
        m_panel.add(new Label("Partie termine"), 0, FmpConstant.miniMapHeight / 2 - 40);
        m_panel.add(new Image(Icons.s_instance.winner32()), FmpConstant.miniMapWidth / 2 - 16,
                FmpConstant.miniMapHeight / 2 - 16);
        String strWinner = "";
        EbTeam winnerTeam = game.getWinnerTeam();
        if ((winnerTeam != null)) {
            strWinner += winnerTeam.getCompany().getFullName() + ":\n";
            for (EbRegistration registration : winnerTeam.getPlayers(game.getPreview()))
                if (registration.haveAccount()) {
                    strWinner += registration.getAccount().getPseudo() + "\n";
                }
        }
        m_panel.add(new Label(strWinner), 0, FmpConstant.miniMapHeight / 2 + 30);
    }

}

From source file:com.google.appinventor.client.editor.youngandroid.TutorialPanel.java

License:Open Source License

/**
 * Enlarges image on page/*from w  w w  . j a  v a  2s  .c o m*/
 */
private static void createImageDialog(String img) {
    // Create the UI elements of the DialogBox
    final DialogBox dialogBox = new DialogBox(true, true); // DialogBox(autohide, modal)
    dialogBox.setStylePrimaryName("ode-DialogBox");
    dialogBox.setGlassEnabled(true);
    dialogBox.setAnimationEnabled(true);
    VerticalPanel DialogBoxContents = new VerticalPanel();
    FlowPanel holder = new FlowPanel();
    Button ok = new Button("Close");
    ok.addClickListener(new ClickListener() {
        public void onClick(Widget sender) {
            dialogBox.hide();
        }
    });
    ok.setStyleName("DialogBox-button");

    // Adds Image
    Image image = new Image(img);
    image.addLoadHandler(new LoadHandler() {
        public void onLoad(LoadEvent evt) {
            dialogBox.center();
        }
    });

    image.setStyleName("DialogBox-image");
    holder.add(ok);
    DialogBoxContents.add(image);
    DialogBoxContents.add(holder);
    dialogBox.setWidget(DialogBoxContents);
    dialogBox.center();
    dialogBox.show();
}

From source file:com.google.code.gwt.crop.client.GWTCropper.java

License:Apache License

/**
 * Adds a canvas with background image./*from   w w w. jav  a  2 s .  com*/
 * 
 * @param src - image URL
 */
private void addCanvas(final String src) {

    super.setStyleName(bundleResources.css().base());

    final Image image = new Image(src);
    image.setStyleName(bundleResources.css().imageCanvas());
    image.addLoadHandler(new LoadHandler() {

        public void onLoad(LoadEvent event) {

            //this is a bug in IE since v.8 - maxWidth collapse image 
            //and you cannot read its width - in some cases depends from CSS image extensions
            image.getElement().getStyle().setProperty("maxWidth", "none");

            // get original image size
            if (nOuterWidth == -1)
                nOuterWidth = image.getWidth();
            if (nOuterHeight == -1)
                nOuterHeight = image.getHeight();

            DOM.setElementProperty(image.getElement(), "width", nOuterWidth + "");
            DOM.setElementProperty(image.getElement(), "height", nOuterHeight + "");
            image.getElement().getStyle().setPropertyPx("maxWidth", nOuterWidth);
            image.getElement().getStyle().setPropertyPx("maxHeight", nOuterHeight);

            _container.setWidth(nOuterWidth + "px");
            _container.setHeight(nOuterHeight + "px");
            addSelection(src);

            setSize(nOuterWidth, nOuterHeight);

            if (null != onCanvasLoadHandler)
                onCanvasLoadHandler.onLoad(event);

            if (null != previewWidget) {
                previewWidget.init(src, nOuterWidth, nOuterHeight, aspectRatio);
            }

            updatePreviewWidget();
        }

    });
    this._container.add(image, 0, 0);
    this.add(this._container);
}

From source file:com.google.gwt.sample.userwatcher.client.FileUploaderWidget_v2.java

/**
 * process base64 mime imagedata content string
 * // w ww.j  a  v a 2  s . c  om
 * @param imageData
 */
public void setImage(String imageData, String fileName, String contentType) {
    this.fileName = fileName;
    //this.contentType = contentType;

    RootPanel.get().add(new HTML("setImage()=" + imageData));

    fileUpload.setEnabled(false);
    bCancel.setEnabled(false);

    fireChange(EventManager.FILE_UPLOADING);

    final Image image = new Image(imageData);
    image.addStyleName("test1");
    //pProcess.setVisible(false);
    pFullSize.add(image);
    image.addLoadHandler(new LoadHandler() {
        public void onLoad(LoadEvent event) {
            drawToCanvas(image);
        }
    });
}

From source file:com.googlecode.gwtgl.example.client.examples.skybox.SkyboxExample.java

License:Apache License

private WebGLTexture createTexture(ImageResource imageResource) {
    final WebGLTexture texture = glContext.createTexture();

    final Image img = new Image();
    img.addLoadHandler(new LoadHandler() {
        @Override//from  w  ww  .j av  a2s .  c  om
        public void onLoad(LoadEvent event) {
            RootPanel.get().remove(img);

            glContext.activeTexture(WebGLRenderingContext.TEXTURE0);
            glContext.bindTexture(WebGLRenderingContext.TEXTURE_2D, texture);

            glContext.texParameteri(WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_MIN_FILTER,
                    WebGLRenderingContext.NEAREST);
            glContext.texParameteri(WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_MAG_FILTER,
                    WebGLRenderingContext.NEAREST);
            glContext.texParameteri(WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_WRAP_S,
                    WebGLRenderingContext.CLAMP_TO_EDGE);
            glContext.texParameteri(WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_WRAP_T,
                    WebGLRenderingContext.CLAMP_TO_EDGE);

            glContext.texImage2D(WebGLRenderingContext.TEXTURE_2D, 0, WebGLRenderingContext.RGBA,
                    WebGLRenderingContext.RGBA, WebGLRenderingContext.UNSIGNED_BYTE, img.getElement());
            checkErrors();
        }
    });
    img.setVisible(false);
    RootPanel.get().add(img);
    // image.setResource(imageResource);
    // TODO doesn't work with more than one image bundled to one
    // ImageBundle if the browser doesn't support data:... urls
    // So it's no problem at the moment because Chrome and FF support it
    img.setUrl(imageResource.getURL());
    return texture;
}

From source file:com.googlecode.gwtgl.example.client.examples.texturedcube.binding.TexturedCubeBindingExample.java

License:Apache License

/**
 * Initializes the texture of this example.
 *//*from   w  w w  .  j a  va  2  s  . co m*/
private void initTexture() {
    texture = glContext.createTexture();
    glContext.bindTexture(WebGLRenderingContext.TEXTURE_2D, texture);
    final Image img = getImage(Resources.INSTANCE.texture());
    img.addLoadHandler(new LoadHandler() {
        @Override
        public void onLoad(LoadEvent event) {
            RootPanel.get().remove(img);
            GWT.log("texture image loaded", null);
            glContext.bindTexture(WebGLRenderingContext.TEXTURE_2D, texture);
            glContext.texImage2D(WebGLRenderingContext.TEXTURE_2D, 0, WebGLRenderingContext.RGBA,
                    WebGLRenderingContext.RGBA, WebGLRenderingContext.UNSIGNED_BYTE, img.getElement());
        }
    });
    checkErrors();
    glContext.texParameteri(WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_MAG_FILTER,
            WebGLRenderingContext.LINEAR);
    glContext.texParameteri(WebGLRenderingContext.TEXTURE_2D, WebGLRenderingContext.TEXTURE_MIN_FILTER,
            WebGLRenderingContext.LINEAR);
    glContext.bindTexture(WebGLRenderingContext.TEXTURE_2D, null);
    checkErrors();
}

From source file:com.googlecode.gwtgl.wrapper.Texture2D.java

License:Apache License

/**
 * Sets the image to be used for this texture. The image is loaded and set
 * when the texture is activated via setActiveAndBind.
 * //from  ww  w  . j av a  2s.c  om
 * @param imageResource
 */
public void setImage(final ImageResource imageResource) {
    if (destroyed) {
        throw new IllegalStateException("The Texture2D is already destroyed");
    }

    final Image img = new Image();
    handlerRegistration = img.addLoadHandler(new LoadHandler() {
        @Override
        public void onLoad(LoadEvent event) {
            imageToSet = img;

            RootPanel.get().remove(img);

            if (handlerRegistration != null) {
                handlerRegistration.removeHandler();
                handlerRegistration = null;
            }
        }
    });
    img.setVisible(false);
    RootPanel.get().add(img);
    // image.setResource(imageResource);
    // TODO doesn't work with more than one image bundled to one
    // ImageBundle if the browser doesn't support data:... urls
    // So it's no problem at the moment because Chrome and FF support it
    img.setUrl(imageResource.getURL());

}