| 1 | <?xml version="1.0" encoding="UTF-8"?> |
| 2 | <Module> |
| 3 | |
| 4 | <ModulePrefs |
| 5 | title="dygraphs Gadget" |
| 6 | description="Interactive, zoomable chart" |
| 7 | author="Dan Vanderkam" |
| 8 | author_email="danvdk@gmail.com" |
| 9 | > |
| 10 | <!-- TODO(danvk): change these --> |
| 11 | <!-- |
| 12 | screenshot="http://www.google.com/ig/modules/simple-table.png" |
| 13 | thumbnail="http://www.google.com/ig/modules/simple-table-thm.png"> |
| 14 | --> |
| 15 | <Require feature="idi" /> |
| 16 | <Require feature="locked-domain" /> |
| 17 | </ModulePrefs> |
| 18 | |
| 19 | <UserPref name="_table_query_url" display_name="Data source url" required="true"/> |
| 20 | <UserPref name="_table_query_refresh_interval" display_name="Data refresh interval (minutes)" default_value="300" datatype="enum" required="false"> |
| 21 | <EnumValue value="0" display_value="Do not refresh"/> |
| 22 | <EnumValue value="60" display_value="1"/> |
| 23 | <EnumValue value="300" display_value="5"/> |
| 24 | <EnumValue value="1800" display_value="30"/> |
| 25 | </UserPref> |
| 26 | <!-- |
| 27 | This is a sample gadget, that uses the Google Visualization API to read data |
| 28 | from a data source, and displays it as an html table. |
| 29 | --> |
| 30 | |
| 31 | <Content type="html"><![CDATA[ |
| 32 | |
| 33 | <!-- Load the Google common loader, that is later used to load the Visualization API. --> |
| 34 | <script src="http://www.google.com/jsapi" type="text/javascript"></script> |
| 35 | <script src="http://danvk.org/dygraphs/dygraph-combined.js" type="text/javascript"></script> |
| 36 | |
| 37 | <div id="chartdiv" style="overflow: auto;"><img src="http://www.google.com/ig/images/spinner.gif" /></div> |
| 38 | |
| 39 | <script> |
| 40 | var gadgetHelper = null; |
| 41 | var table = null; |
| 42 | |
| 43 | _IG_RegisterOnloadHandler(loadVisualizationAPI); |
| 44 | |
| 45 | /** |
| 46 | * Load the Google Visualization API |
| 47 | */ |
| 48 | function loadVisualizationAPI() { |
| 49 | google.load("visualization", "1"); |
| 50 | google.setOnLoadCallback(sendQuery); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Create a query from the user prefs, and then send it to the data source. |
| 55 | * This method is called once the visualization API is fully loaded. |
| 56 | * Note that in the last line, a callback function is specified to be |
| 57 | * called once the response is received from the data source. |
| 58 | */ |
| 59 | function sendQuery() { |
| 60 | var prefs = new _IG_Prefs(); // User preferences |
| 61 | var chartDiv = _gel('chartdiv'); |
| 62 | chartDiv.style.width = document.body.clientWidth + 'px'; |
| 63 | chartDiv.style.height = document.body.clientHeight + 'px'; |
| 64 | chart = new DateGraph.GVizChart(chartDiv); |
| 65 | |
| 66 | gadgetHelper = new google.visualization.GadgetHelper(); |
| 67 | var query = gadgetHelper.createQueryFromPrefs(prefs); |
| 68 | query.send(handleQueryResponse); |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Query response handler function. |
| 73 | * Called by the Google Visualization API once the response is received. |
| 74 | * Takes the query response and formats it as a table. |
| 75 | */ |
| 76 | function handleQueryResponse(response) { |
| 77 | // Use the visualization GadgetHelper class to validate the data, and |
| 78 | // for error handling. |
| 79 | if (!gadgetHelper.validateResponse(response)) { |
| 80 | // Default error handling was done, just leave. |
| 81 | return; |
| 82 | }; |
| 83 | var data = response.getDataTable(); |
| 84 | |
| 85 | // Take the data table from the response, and format it. |
| 86 | // var options = {showRowNumber: true}; |
| 87 | var prefs = new _IG_Prefs(); // User preferences |
| 88 | chart.draw(data, { |
| 89 | }); |
| 90 | }; |
| 91 | |
| 92 | </script> |
| 93 | |
| 94 | ]]> |
| 95 | </Content> |
| 96 | </Module> |