datasource fuckery

datatable.js

[% page.load_scripts_at_top = 1 %]
	

<script type="text/javascript">
YUI.add('datatabledatasource-350-preview-patch', function (Y) {

// Or just put this in your code directly
Y.Plugin.DataTableDataSource.prototype.onDataReturnInitializeTable = function (e) {
    this.get('host').set('data', (e.response && e.response.results) || []);
};

}, '0.1', { requires: ['datatable-datasource'] });

YUI({gallery: 'gallery-2012.02.01-21-35'})
    .use( 'gallery-datatable-350-preview', 'datatable', 'datatype', 'model', 'view', 'panel', 'dd-plugin', 'button', 
    'datasource-io', 'datatable-datasource', 'datatable-jsonschema',  function (Y) {
  
// -------------------------
//  Define a few DataTable helper methods
//    NOTE: These only work with the 3.5.0PR release of DataTable  
// -------------------------

	/**
	 Method to take an existing TD or TR Node element as input "target" and scan 
	 the dataset (ModelList) for the underlying data record (a Model).
	 
	 @method getRecord
	 @param target {Node} Either a TR or TD Node
	 @returns {Model} Data record or false (or -1 if not found)
	 **/
	//FIXME: if target is numeric or string, not working yet ... Node only works
	Y.DataTable.prototype.getRecord = function( target ) {
		var rs = this.get('data')
			tag = target.get('tagName').toLowerCase();
			
		var row = ( tag === 'td' ) ? target.ancestor() : ( tag === 'tr' ) ? target : null;
		if ( !row ) return false;
		
		if ( Y.Lang.isNumber(row) ) 		// assume row is rowindex
			return rs.item(row) || false;
			
		else if ( row instanceof Y.Node || Y.Lang.isString(row) ) {
			var crow = ( Y.Lang.isString(row) ) ? row : row.get('id');	// matches based on DOM id
			var rec = -1;
			rs.some( function(item) {
				if ( item.get('entryid') === crow ) {
					rec = item;
					return true;
				}
			});
			return rec;
		}				
		return false;
	}


	/**
	 Helper method to return the column's key property associated with the current TD.
	 Uses DataTable's current method of identifying a class on TD as "yui3-datatable-col-XXX" 
	 where XXX is the column 'key' (or 'name')
	 
	 @method getDTColumnKey
	 @param tdTarget {Node} The TD cell to return column key to
	 @returns ckey {String} column key name		  
	 **/
	Y.DataTable.prototype.getCellColumnKey = function( tdTarget ) {
		var DT_COL_CLASS = this.getClassName('col');
		var regex = new RegExp( DT_COL_CLASS+'-(.*)'),		// currently creates /yui3-datatable-col-(.*) to grab column key
			tdclass = tdTarget.get('className').split(" "),
			ckey    = -1;
		
	//
	//  Scan through the TD class(es), checking for a match
	//	
		Y.Array.some( tdclass, function(item){
			var mitem = item.match( regex );
			if ( mitem && mitem[1] ) {
				ckey = mitem[1].replace(/^\s+|\s+$/g,"");	// trim all spaces
				return true;
			}
		}); 
		return ckey || false;
	}

/*  https://gist.github.com/1707631  
  
	Y.DataTable.prototype.getCellColumnKey = function (node) {
	    var classRE = new RegExp('\b' + this.getClassName('col') + '-(\W+)'),
	        name, column;
	
	    node = node.ancestor('.' + this.getClassName('cell'), true);
	
	    if (node) {
	        name = (node.get('className').match(classRE) || [])[1];
	
	        column = name && this.getColumn(name);
	    }
	
	    return column && column.key;
	};
*/


	/**
	 Method to scan the "columns" Array for the target and return the requested column.
	 The requested "target" can be either of ;
	 	a column index, 
	 	or a TD Node, 
	 	or a column "key", column "name" or "_yuid" (in that order). 
	 
	 @method getColumn
	 @param target {Number | Node | String} Either the column index, the TD node or a column ID
	 @returns {Object} Column
	 **/
	Y.DataTable.prototype.getColumn = function( target ) {
		var cs = this.get('columns'),
			ckey = null;
		
		if (Y.Lang.isNumber(target) )
			return cs[target];  //return cs.keys[col];
			
		else if ( Y.Lang.isString(target) || target instanceof Y.Node ) {	// check for 'key' or then 'name', finally '_yuid'
		
			ckey = ( target instanceof Y.Node ) ? ckey = this.getCellColumnKey( target ) : ckey;
		
			col = ( ckey ) ? ckey : target;
		
		// Check if a column "key"
			var cm = -1;
			Y.Array.some( cs, function(citem) {
				if ( citem['key'] === col ) {
					cm = citem;
					return true;
				}
			});
			if ( cm !== -1) return cm;	// found one, bail !!

		// If not found, Check if a column "name"
			Y.Array.some( cs, function(citem) {
				if ( citem.name === col ) {
					cm = citem;
					return true;
				}
			});
			if ( cm!==-1 ) return cm;

		// If not found, Check if a column "_yui" something
			Y.Array.some( cs, function(citem) {
				if ( citem._yuid === col ) {
					cm = citem;
					return true;
				}
			});
			return cm;

		} else 
			return false;
	}

//==================================================================================================
//                              Execution Begins  
//==================================================================================================
	
	var cols, myDT;
		
//
// --- Define DataTable custom formatters for this example
//

  var fmtPublished = function(o) {
	  var published = o.value;   						
		return o.value == 1 ?
           "yes"        :
           "no";
	}
				
	var fmtBlank = function(o) {
		var fclass = o.column.className || null;
		if (fclass) 
			o.className += ' '+fclass;
		o.value = ' ';
	}			

	var fmtChkBox = function(o){ 
		var cell = '<input type="checkbox" class="myCheckboxFmtr" />';
		o.value = cell;
		o.className += ' align-center';
	}		
    cols = [ 
    	{ name:'selectBox',  label:'Select <input type="checkbox" id="selAll" title="Click to toggle ALL records"/>',  
    		formatter: fmtChkBox, allowHTML:true },	// must use allowHTML:true if we insert HTML with the formatter ...
		{ key:"entryid",  	 label:'Entry ID', sortable:true }, 
		{ key:"title",  	 label:"Title", sortable:true }, 
		{ key:"created_at", 	 label:'Created On', sortable:true }, 
		{ key:"published", label:'Published',	formatter: fmtPublished, sortable:true }, 
		{ key:"reply_count", 	 label:'Replies', sortable:true }, 
		{ name:'edit',   	 label:'- Edit -',   	formatter: fmtBlank, className:'align-center cell-edit' },	
		{ name:'delete',   	 label:'- Delete -',   	formatter: fmtBlank, className:'align-center cell-delete' }
	 ];

    

//
// Create the DataTable and render it 
//		

  var ds = new Y.DataSource.GET({
    source:'[% c.uri_for_action('/user/manage_entries', [ c.user.name ]) %]',
    ioConfig: {
      headers: {
        'Accept': 'application/json'
      }
    }
  });

  ds.plug(Y.Plugin.DataSourceJSONSchema, {
    schema: {
      resultListLocator: "data_table",
      resultFields: [
        { key: "entryid" },
        { key: "title" }, 
        { key: "created_at" },
        { key: "published" }, 
        { key: "reply_count" },
      ]
    }
  });
  
  ds.sendRequest({    
    callback: {
      success: function (e) {
          Y.log(e);
      }
    }
  });
  

  myDT = new Y.DataTable({ 
		columns:	cols, 
	});
  
  
  myDT.plug(Y.PluginDataTableDataSource, {
    datasource: ds,
    initialRequest: ""
  });
  
  
  myDT.render('#dtable');


  
// -------------------------
//  Create a Panel to serve as the Row Editor box 
//    ... this uses a template defined in <script> templates below, nice way to 
//        hide content until we want to display it.  (see the beginning of http://yuilibrary.com/yui/docs/app/app-todo.html for an example)
// -------------------------

	// var insertFlag = false;

	var editorPanel = new Y.Panel({
        srcNode : '#idPanel',
        width   : 320,
    	xy 		: [ 750, 170 ],	
    	visible : false,
        render  : true,
        zIndex  : 10,
        plugins : [Y.Plugin.Drag], 
		buttons: [
		        {
		            value  : 'Save',
		            section: Y.WidgetStdMod.FOOTER,
		            action : function (e) {
		                if (e) e.preventDefault();
		             	saveFormData();
		                this.hide();
		            }
		        },
		        {
		            value  : 'Cancel',
		            section: Y.WidgetStdMod.FOOTER,
		            action : function (e) {
		                e.preventDefault();
		                this.hide();
		            }
		        }
	    ],
	    on : {
	    	'render' : function() { 
	    				   Y.one("#main").show();   // render the "main" page elements, 
	    			   } 
	   	}
    });


    //-----------------
	//  Function to save the FORM data, based on current values.
	//  Define a mapping object to help us figure out how to apply INPUT[name=xxx] to what 
	//    column of each record.
	//  Uses the setting of FORM hidden value "frmInsertFlag" to determine if this is a new
	//   record or if we are saving an existing record.  
	//  If existing, the record "clientId" is saved in FORM hidden value "frmRecord"
    //-----------------
   	var saveFormData = function() {
		var theForm = document.forms[0],
			rec_id 	= theForm.frmRecord.value,	// if INSERT, this is disregarded ...
			newData = {},
			raw_value  = 0,
			data_value = 0;
	//
	//  Define a mapping between the INPUT 'name' settings and the record "key" names ...
	//    also, define a parser on a few numeric items
	//		
		var record_map = [
			{ field:'entryid',    ckey:'entryid', parser: parseInt },	
			{ field:'title',  ckey:'title'},
			{ field:'published',  ckey:'created_at'},
			{ field:'reply_count', ckey:'reply_count', parser: parseInt }
		];
		
		
	//
	//  Run through the "record_map" FORM variables, inserting data values into "newData"
	//   that will serve as the data object for DataTable
	//	
		Y.Array.each( record_map, function(item){
			raw_value  = theForm[item.field].value;
			data_value = ( item.parser && Y.Lang.isFunction(item.parser) ) ? item.parser.call(this,raw_value)  : raw_value ;
			newData[ item.ckey ] = data_value;
		});

	//
	//  Now insert the "newData" object into DataTable's data, 
	//    check frmInsertFlag for whether it is "new" or "updated" data 
	//
		if ( parseInt( theForm.frmInsertFlag.value ) === 0 ) 
		
			myDT.modifyRow( rec_id, newData );
			
		else
		 
			myDT.addRow( newData );

    }

	// trap an ENTER key on the form, save the data ...
	editorPanel.get('srcNode').on('key', function() {  
		saveFormData();
		editorPanel.hide();
	}, 'enter');	   
   
    //
    //  Define DEFAULT data for a "New" inserted row
    //
	var default_data = {
	  	title : 'New Entry', 
	  	body : "",
	  	valRecord : 0,
	  	valInsert : 1
   	};
   
    // position of "Insert Row" dialog
   	var default_dialog_xy = [ 220, 130 ];
   
   
    //-----------------
    //  Displays the Panel (i.e. Dialog) for either EDIT of existing data or INSERT of new data.
    //  The passed in "record" and "xy" provide which record to edit and the XY position of the Panel when displayed.
    //  For a NEW record, these will be null.  
    //
    //  If "insert_obj" is defined, then it assumes we are INSERTing a new record, and uses the default_data above. 
    //-----------------
	var showDT_Dialog = function( record, xy, insert_obj ) {
		var thePanel, DialogTMPL, body_html, header_html;

	//
	//  Grab the dialog internal content from the <script> template
	//
    	DialogTMPL = Y.one("#dialog-template").getContent();
    	thePanel = editorPanel;
		
		if ( !insert_obj ) {	// we are EDITING and existing row ...
		//
		//  Define the substitution objects to fill in the INPUT default values
		//
			var form_data = {
				valID : 	record.get('entryid'),
				valReplies : 	record.get('reply_count'),
				valTitle :	record.get('title'),
				valCreatedAt :	record.get('created_at'),
				valPublished :	record.get('published'),
				valRecord :	record.get('entryid'),
				valInsert :	0
			}
			
			xy[0] += 50;	// offset the dialog a tinch, from the Edit TD ...
			
			header_html = 'Editing Row No. '  + (myDT.get('data').indexOf(record)+1);
			body_html = Y.Lang.sub( DialogTMPL, form_data );

		} else {	//  we are INSERTING a new row ...

			insertFlag = true;   // used 
			xy = default_dialog_xy;
			header_html = 'Inserting NEW Row';
			body_html = Y.Lang.sub( DialogTMPL, insert_obj );
			
		}

	//
	//	Fill the Panel content, position it and display it
	//	
		thePanel.set( 'xy', xy );
  		thePanel.set( 'headerContent', header_html );  
		thePanel.set( 'bodyContent', body_html );
		thePanel.show();
   	} 


	// Button click handler for the "Insert New Row" button
	new Y.Button({srcNode:"#btnInsert"}).on("click",function() {
		editorPanel.hide();
		showDT_Dialog( 0, 0, default_data );
	});
	

// -------------------------
//  Define a click handler on table cells ...
//   Note: use Event Delegation here (instead of just .on() ) because we may be 
//         deleting rows which may cause problems with just .on 
// -------------------------
	myDT.delegate("click", function(e) {
		
		var cell = e.currentTarget,					// the clicked TD
			row  = cell.ancestor(),					// the parent of TD, which is TR
			
			rec  = this.getRecord( cell ),			//  Call the helper method above to return the "data" record (a Model)
			ckey = this.getCellColumnKey( cell ),	//
			col  = this.getColumn( cell );			//

		var d_ckey = col.key || col.name || 'not set';	// if column key returned is a yui_id, don't display it
																		//   ... that means we are in the "Select", "Edit" or "Delete" columns
	//
	//  Update status box
	//	
    	var StatusTMPL = Y.one("#status-template").getContent();	// this retrieves HTML containing {xxx} tags for substitution 

    	Y.one("#idStatus").setContent( Y.Lang.sub( StatusTMPL, {	// ... do the substitution into the template using Y.Lang.sub 
		   rec_id : 	rec.get('entryid'),
		   rec_index:	this.get('data').indexOf(rec),
		   col_key :	d_ckey,
		   col_index:	Y.Array.indexOf( this.get('columns'), col ), //this.get('columns').indexOf(col),
		   raw_data :	rec.get(ckey) || 'No Data' 	
		} ) );

	//
	//  If a column 'action' is available, process it
	//	
		switch( col.name || null ) {
			case 'edit':
				showDT_Dialog( rec, cell.getXY() );
				break;
				
			case 'delete':
				if ( confirm("Are you sure you want to delete this record ?") === true ) {
          // DELETE CALL GOES HERE
					myDT.removeRow( rec.get('entryid') );
					Y.one("#idStatus").setContent("<br/><b>Row was Deleted!</b>");					
				}
					
				break;	
		}
		
	}, "tbody tr td", myDT);
	//  the selector,  internal scope


// -------------------------
//   Click handler on "Select" TH checkbox, toggle the settings of all rows
// -------------------------

	Y.one("#selAll").on("click", function(e){
		var selAll = this.get('checked');	// the checked status of the TH checkbox
	//
	//  Get a NodeList of each of INPUT with class="myCheckboxFmtr" in the TBODY
	//	
		var chks = myDT.get('srcNode').all("tbody input.myCheckboxFmtr");
		chks.each( function(item){
			item.set('checked', selAll);	// set the individual "checked" to the TH setting
		});
	});



// -------------------------
//  Handle the "Process Selected Rows" BUTTON press,
// -------------------------

	new Y.Button({srcNode:"#btnProcess"}).on("click",function(){
	//
	//  Get a NodeList of all nodes on the DT which have the checkboxes I defined, 
	//    with class="myCheckBoxFmtr" AND that are currently "checked"  
	//  
		var chks = this.get("srcNode").all("tbody tr td input.myCheckboxFmtr");		// get all checks

		// in a perfect world ... i.e. one without IE 8-, we could just do ...	
		// var chkd = this.get("srcNode").all("tbody tr td input.myCheckboxFmtr:checked");
				
	//
	//  Loop over the NodeList (using it's .each method) and append the employee name to the message.  
	//	 Note: 'chkd' contains nodes of the INPUT checkboxes, step back twice to get the parent TR node  
	//	
		var msg = "The following Employees will be processed;\n\n";	// define the beginning of our message string

		chks.each( function(item){
			if ( !item.get('checked') ) return; 
			var rec = this.getRecord( item.ancestor().ancestor() );	// item is INPUT, first parent is TD, second is TR
			msg += rec.get('em_id') + ' : ' + rec.get('ename') + "\n";
		}, this);
		
		alert(msg);
		
	}, myDT);

 

});


</script>

<script type="text/x-template" id="status-template">	<!-- used in Y.delegate ... tbody tr td     -->
	<table id="dt_info" width="250">
		<tr><th width="50%">Record clientId :</th><td>{rec_id}</td></tr>
		<tr><th>Record Index :</th><td>{rec_index}</td></tr>
		<tr><th>Col Key :</th><td>{col_key}</td></tr>
		<tr><th>Col Index :</th><td>{col_index}</td></tr>
		<tr><th>Raw Data :</th><td>{raw_data}</td></tr>
	</table>    
</script>

<script type="text/x-template" id="dialog-template">	<!--  used in Function showDT_Dialog   -->
	<form name="roweditor">
		<fieldset id="myfieldset">
			<table>
				<tr><th>Title :</th><td><input type="text" name="title" value="{title}" /></td></tr>
				<tr><th>Published :</th><td><input type="select" name="published" value="{published}" /></td></tr>
        <tr><th>Body : </th><td><textarea name="body" rows=10 cols=45>{body}</textarea></td></tr>
			</table>
		</fieldset>
		<input type="hidden" name="frmRecord" value="{valRecord}" />
		<input type="hidden" name="frmInsertFlag" value="{valInsert}" />
	</form>
</script>
<div id="main">

<h2>Manage Entries</h2>
<table>
		<tr valign="top">
			<td>
				<div id="dtable"></div>
				<br/><button id="btnProcess">Process SELECTED Rows</button>	&nbsp; &nbsp; <button id="btnInsert">Insert New Row</button>			
			</td>
			<td width="300" align="center">
				TD Click Status:<br/>
				<div id="idStatus"></div>	
			</td>
		</tr>
	</table>
<br/>
<div id="idPanel">
		<div class="yui3-widget-hd"></div>
		<div class="yui3-widget-bd"></div>
	</div>
	
	<div id="idCalendarBox" style="z-index:12;"></div>

</div>

response.json

{
   "data_table" : [
      {
         "parent" : null,
         "entryid" : 1,
         "path" : "1",
         "author" : {
            "email" : "devin.austin@gmail.com",
            "password" : "$2a$08$ZY0mDB7wEHdPZWEtB9YPK.SH332XctfUj77eSnLfQLSXxsr/Encxu",
            "created_at" : null,
            "userid" : 1,
            "entries" : [
               {
                  "title" : "huhuhuhuhuhuh",
                  "entryid" : 1
               }
            ],
            "updated_at" : null,
            "name" : "dhoss"
         },
         "children" : [],
         "published" : 1,
         "created_at" : "January 31, 2012 at 21:50:10 UTC",
         "updated_at" : null,
         "title" : "huhuhuhuhuhuh",
         "display_title" : "huhuhuhuhuhuh",
         "reply_count" : 0
      }
   ]
}