Examples of XJSONDataSource

com.smartgwt.client.data.XJSONDataSource
oper.yahoo.net/common/json.html#callbackparam' onclick="window.open('http://developer.yahoo.net/common/json.html#callbackparam');return false;">tutorial provided by Yahoo! for a good overview of how this transport mechanism works. Note, as indicated in the tutorial above, the server is responsible for writing out not just the data, but also a JavaScript function call that tells the client that the response has arrived. The client passes the name of the function to call as the "callback" URL parameter.
NOTE: if you use this DataSource to contact Yahoo web services, remember to include output=json in the dataURL, as well as a Yahoo developer ID.

Examples of com.smartgwt.client.data.XJSONDataSource

        yahooAttribution.setContents("<a href='http://developer.yahoo.net/about'>"
                + "<img src='http://l.yimg.com/a/i/us/nt/bdg/websrv_88_1.gif' border='0'>"
                + "</a>");
        canvas.addChild(yahooAttribution);


        XJSONDataSource yahooDS = new XJSONDataSource();
        yahooDS.setDataURL("http://api.search.yahoo.com/ImageSearchService/V1/imageSearch?appid=YahooDemo&output=json");
        yahooDS.setRecordXPath("/ResultSet/Result");
        DataSourceImageField thumbnail = new DataSourceImageField("Thumbnail", "Thumbnail");
        thumbnail.setWidth(150);
        thumbnail.setImageHeight("imageHeight");
        thumbnail.setImageWidth("imageWidth");
        thumbnail.setValueXPath("Thumbnail/Url");


        DataSourceIntegerField imageWidth = new DataSourceIntegerField("imageWidth");
        imageWidth.setValueXPath("Thumbnail/Width");
        imageWidth.setAttribute("hidden", true);


        DataSourceIntegerField imageHeight = new DataSourceIntegerField("imageHeight");
        imageHeight.setValueXPath("Thumbnail/Height");
        imageHeight.setAttribute("hidden", true);


        DataSourceField title = new DataSourceField("Title", FieldType.TEXT);
        DataSourceField summary = new DataSourceField("Summary", FieldType.TEXT);


        DataSourceLinkField fullImage = new DataSourceLinkField("link", "Full Image");
        fullImage.setValueXPath("Url");
        fullImage.setAttribute("target", "_blank");


        yahooDS.addField(thumbnail);
        yahooDS.addField(imageWidth);
        yahooDS.addField(imageHeight);
        yahooDS.addField(title);
        yahooDS.addField(summary);
        yahooDS.addField(fullImage);


        final TileGrid tileGrid = new TileGrid();
        tileGrid.setTop(120);
        tileGrid.setWidth(500);
        tileGrid.setHeight(400);

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Examples of com.smartgwt.client.data.XJSONDataSource

        yahooAttribution.setContents("<a href='http://developer.yahoo.net/about'>"
                + "<img src='http://l.yimg.com/a/i/us/nt/bdg/websrv_88_1.gif' border='0'>"
                + "</a>");
        canvas.addChild(yahooAttribution);


        XJSONDataSource yahooDS = new XJSONDataSource();
        yahooDS.setDataURL("http://api.search.yahoo.com/ImageSearchService/V1/imageSearch?appid=YahooDemo&output=json");
        yahooDS.setRecordXPath("/ResultSet/Result");
        DataSourceImageField thumbnail = new DataSourceImageField("Thumbnail", "Thumbnail");
        thumbnail.setWidth(150);
        thumbnail.setImageHeight("imageHeight");
        thumbnail.setImageWidth("imageWidth");
        thumbnail.setValueXPath("Thumbnail/Url");


        DataSourceIntegerField imageWidth = new DataSourceIntegerField("imageWidth");
        imageWidth.setValueXPath("Thumbnail/Width");
        imageWidth.setAttribute("hidden", true);


        DataSourceIntegerField imageHeight = new DataSourceIntegerField("imageHeight");
        imageHeight.setValueXPath("Thumbnail/Height");
        imageHeight.setAttribute("hidden", true);


        DataSourceField title = new DataSourceField("Title", FieldType.TEXT);
        DataSourceField summary = new DataSourceField("Summary", FieldType.TEXT);


        DataSourceLinkField fullImage = new DataSourceLinkField("link", "Full Image");
        fullImage.setValueXPath("Url");
        fullImage.setAttribute("target", "_blank");


        yahooDS.addField(thumbnail);
        yahooDS.addField(imageWidth);
        yahooDS.addField(imageHeight);
        yahooDS.addField(title);
        yahooDS.addField(summary);
        yahooDS.addField(fullImage);


        final ListGrid grid = new ListGrid();
        grid.setTop(120);
        grid.setWidth100();
        grid.setHeight(300);

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