/* * Smart GWT (GWT for SmartClient) * Copyright 2008 and beyond, Isomorphic Software, Inc. * * Smart GWT is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3 * as published by the Free Software Foundation. Smart GWT is also * available under typical commercial license terms - see * http://smartclient.com/license * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ import com.smartgwt.client.data.DataSourceField; import com.smartgwt.client.data.XJSONDataSource; import com.smartgwt.client.data.fields.DataSourceImageField; import com.smartgwt.client.data.fields.DataSourceIntegerField; import com.smartgwt.client.data.fields.DataSourceLinkField; import com.smartgwt.client.types.FieldType; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.form.SearchForm; import com.smartgwt.client.widgets.form.fields.ButtonItem; import com.smartgwt.client.widgets.form.fields.TextItem; import com.smartgwt.client.widgets.form.fields.events.ClickEvent; import com.smartgwt.client.widgets.form.fields.events.ClickHandler; import com.smartgwt.client.widgets.grid.ListGrid; import com.google.gwt.core.client.EntryPoint; public class YahooJsonServicesSample implements EntryPoint { public void onModuleLoad() { Canvas canvas = new Canvas(); Canvas yahooAttribution = new Canvas(); yahooAttribution.setHeight(31); 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); grid.setWrapCells(true); grid.setFixedRecordHeights(false); grid.setShowAllRecords(true); grid.setDataSource(yahooDS); final SearchForm form = new SearchForm(); form.setTop(50); form.setNumCols(3); TextItem query = new TextItem(); query.setName("query"); query.setTitle("Query"); query.setDefaultValue("snowboarding"); ButtonItem button = new ButtonItem(); button.setTitle("Search"); button.setStartRow(false); button.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { grid.fetchData(form.getValuesAsCriteria()); } }); form.setItems(query, button); canvas.addChild(form); canvas.addChild(grid); canvas.draw(); } }