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

Introduction

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

Prototype

public void setVisibleRect(int left, int top, int width, int height) 

Source Link

Document

Sets the visibility rectangle of an image.

Usage

From source file:com.google.gwt.examples.ImageExample.java

License:Apache License

public void onModuleLoad() {
    // Create an image, not yet referencing a URL. We make it final so that we
    // can manipulate the image object within the ClickHandlers for the buttons.
    final Image image = new Image();

    // Hook up an error handler, so that we can be informed if the image fails
    // to load.//www. j a  va  2 s .  c o  m
    image.addErrorHandler(new ErrorHandler() {
        public void onError(ErrorEvent event) {
            lbl.setText("An error occurred while loading.");
        }
    });

    // Point the image at a real URL.
    image.setUrl("http://www.google.com/images/logo.gif");

    // When the user clicks this button, we want to clip the image.
    btn.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            image.setVisibleRect(70, 0, 47, 110);
        }
    });
    btn.setWidth("120px");

    // When the user clicks this button, we want to restore the image to its
    // unclipped state.
    btn2.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            image.setUrl("http://www.google.com/images/logo.gif");
        }
    });
    btn2.setWidth("120px");

    // Add the image, label, and clip/restore buttons to the root panel.
    VerticalPanel panel = new VerticalPanel();
    panel.add(lbl);
    panel.add(image);

    HorizontalPanel buttonPanel = new HorizontalPanel();
    buttonPanel.add(btn);
    buttonPanel.add(btn2);

    panel.add(buttonPanel);

    RootPanel.get().add(panel);
}

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From source file:com.sun.labs.aura.music.wsitm.client.items.ArtistDetails.java

License:Open Source License

/**
 * Get the artist's image and use an album cover as a fallback
 * @param thumbnail return a thumbnail sized image
 * @return//from w w  w.jav  a  2 s .  c om
 */
public Image getBestArtistImage(boolean thumbnail) {
    Image img = null;
    if (photos.length > 0) {
        if (thumbnail) {
            img = new Image(photos[0].getThumbNailImageUrl());
        } else {
            img = new Image(photos[0].getSmallImageUrl());
        }
    } else if (albums.length > 0) {
        img = new Image(albums[0].getAlbumArt());
        if (thumbnail) {
            img.setVisibleRect(0, 0, 75, 75);
        }
    }
    return img;
}

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From source file:org.nuxeo.opensocial.wysiwyg.client.RichTextToolbar.java

License:Open Source License

/** Method to create a Toggle button for the toolbar **/
private ToggleButton createToggleButton(ImageResource resource, Integer top, Integer left, Integer width,
        Integer height, String tip) {
    Image extract = new Image(resource);
    extract.setVisibleRect(left, top, width, height);
    ToggleButton tb = new ToggleButton(extract);
    tb.setHeight(height + "px");
    tb.setWidth(width + "px");
    tb.addClickHandler(evHandler);//from   www .ja v  a 2s . c  o m
    if (tip != null) {
        tb.setTitle(tip);
    }
    return tb;
}

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From source file:org.nuxeo.opensocial.wysiwyg.client.RichTextToolbar.java

License:Open Source License

/** Method to create a Push button for the toolbar **/
private PushButton createPushButton(ImageResource resource, Integer top, Integer left, Integer width,
        Integer height, String tip) {
    Image extract = new Image(resource);
    extract.setVisibleRect(left, top, width, height);
    PushButton tb = new PushButton(extract);
    tb.setHeight(height + "px");
    tb.setWidth(width + "px");
    tb.addClickHandler(evHandler);/*from ww  w.j  av a2 s  .  c  o m*/
    if (tip != null) {
        tb.setTitle(tip);
    }
    return tb;
}

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