Created
July 21, 2011 21:43
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YUI2 DT example with conditional dropdowns
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| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
| <title>YUI DataTable Example</title> | |
| <script src="http://yui.yahooapis.com/2.9.0/build/yuiloader/yuiloader-min.js"></script> | |
| <script type="text/javascript"> | |
| var loader = new YAHOO.util.YUILoader({ | |
| require: [ 'reset', 'fonts', 'base', "datatable", "datasource", "yahoo-dom-event" ], | |
| loadOptional: true, | |
| // The function to call when all script/css resources have been loaded | |
| onSuccess: function() { | |
| // | |
| // Aliases for YUI placeholders | |
| // | |
| var YDom = YAHOO.util.Dom, | |
| YUtil = YAHOO.util, | |
| YEvent = YAHOO.util.Event, | |
| YLang = YAHOO.lang, | |
| YConnect = YUtil.Connect; | |
| YEvent.onDOMReady( function() { | |
| // | |
| // Define an array that contains all of our available inventory | |
| // | |
| var retail = [ | |
| { Frame: "BW1", Image:"bw1.jpg", Desc:'1 1/2" Barnwood .....', | |
| Sizes: [ | |
| { value:1, label:'3 1/2" x 5"', price:13.0}, | |
| { value:2, label:'4" x 6"', price:14.0}, | |
| { value:3, label:'24" x 30"', price:55.0} | |
| ] | |
| }, | |
| { Frame: "BW2", Image:"bw2.jpg", Desc:'2 1/4" Barnwood .....', | |
| Sizes:[ | |
| { value:1, label:'3 1/2" x 5"', price:14.0 }, | |
| { value:2, label:'4" x 6"', price:15.0 }, | |
| { value:3, label:'5" x 7"', price:16.0 }, | |
| { value:4, label:'8" x 10"', price:24.0 } | |
| ] | |
| } | |
| // ... other frame size objects follow here .... | |
| ]; | |
| // | |
| // Now define a "DISPLAY" array, that we will use with DataTable to | |
| // for presentation and price browsing ... | |
| // | |
| // ... this array has only three members; | |
| // frame, image, desc | |
| // | |
| var frameTableData = []; | |
| for(var i=0; i<retail.length; i++) | |
| frameTableData.push( { frame:retail[i].Frame, image:retail[i].Image, desc:retail[i].Desc } ); | |
| // | |
| // Populate the DS | |
| // | |
| var myDS = new YAHOO.util.LocalDataSource( frameTableData, { | |
| responseType : YAHOO.util.DataSource.TYPE_JSARRAY, | |
| responseSchema : { | |
| fields : [ 'frame', 'image', 'desc' ] | |
| } | |
| } ); | |
| //---- | |
| // Custom formatter, to create a "dropdown-like" cell but allowing | |
| // for different "options" based upon the "frame" column setting | |
| //---- | |
| var sizeFormatter = function(el, oRec, oCol, oData) { | |
| var oFrame = oRec.getData('frame'), | |
| opts = []; | |
| // | |
| // find which "frame" is associated with this record, | |
| // and locate it in the "retail" array ... | |
| // | |
| for (var i=0; i<retail.length; i++) | |
| if ( retail[i].Frame === oFrame ) opts = retail[i].Sizes; | |
| // | |
| // if we found the "frame" and we remembered to define .Sizes, | |
| // then simply call YUI's formatDropdown formatter with the proper dropdownOptions | |
| // | |
| if ( opts.length > 0 ) { | |
| oCol.dropdownOptions = [ { value:0, label:'Choose a Size'} ].concat(opts); | |
| YAHOO.widget.DataTable.formatDropdown(el, oRec, oCol, oData); | |
| } else | |
| el.innerHTML = 'unknown'; // only get here if we forgot to define a .Sizes member ... | |
| } | |
| // | |
| // Define the DT columns, using 3 bound fields from RecordSet and 2 dummy columns | |
| // | |
| var myCols = [ | |
| { key:"frame", label:"Frame", sortable:true }, | |
| { key:"image", label:"Image" }, | |
| { key:"desc", label:"Description", sortable:true }, | |
| { key:"size", label:"Sizes", formatter:sizeFormatter, dropdownOptions:[] }, // a dummy column, not connected to the RecordSet | |
| { key:"price", label:"Price" } // another dummy column, not connected to the RecordSet | |
| ]; | |
| var myDT = new YAHOO.widget.DataTable( "divTable", myCols, myDS ); | |
| //---- | |
| // Function that fires on select change, | |
| // updates the 'price' column of the DT after searching the "retail" array ... | |
| //---- | |
| var sizeChanger = function(evt) { | |
| var tar = YEvent.getTarget(evt), | |
| oRec = myDT.getRecord(tar), | |
| oFrame = oRec.getData('frame'), | |
| selIndex = tar.selectedIndex, | |
| selValue = tar.value, | |
| price = null; | |
| // | |
| // Search through and find which 'frame' was set for the target record | |
| // | |
| if ( selIndex !== 0 ) { | |
| for (var i=0; i<retail.length; i++) | |
| if ( retail[i].Frame === oFrame ) price = retail[i].Sizes[ selIndex-1 ].price; | |
| } | |
| var fmt_price = ( price !== null ) ? YAHOO.util.Number.format( price, { prefix:'$ ', decimalPlaces:2 } ) : '' ; | |
| // | |
| // Now update the column 'price' with the selected price ... | |
| // | |
| myDT.updateCell( oRec, myDT.getColumn('price'), fmt_price ); | |
| }; | |
| // | |
| // We can set one listener to detect changes to select's on myDT, | |
| // that will fire the sizeChanger function above | |
| // | |
| YEvent.delegate( myDT.getTbodyEl(), "change", sizeChanger, "select" ); | |
| }); | |
| }, | |
| timeout: 3000, | |
| combine: true | |
| }); | |
| loader.insert(); | |
| </script> | |
| </head> | |
| <body class='yui-skin-sam'> | |
| <h1>YUI DataTable Example - Local JSARRAY data</h1> | |
| <div id="divTable"></div> | |
| </body> | |
| </html> |
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