source: trunk/web2/addons/job_monarch/js/monarch.js @ 600

var JobsDataStore;
var JobsColumnModel;
var JobListingEditorGrid;
var JobListingWindow;
var JobProxy;
var SearchField;
var filterButton;

// Extra header to prevent browser caching
//
Ext.Ajax.defaultHeaders =
{
        'If-Modified-Since':    'Sat, 1 Jan 2005 00:00:00 GMT'
};

// associative filter array
//
var myfilters = { };

// any other datastore params
//
var myparams = { };

// (default) paging size
//
var mylimit = 15;

var ClusterImageArgs = { };

var filterfields = [ "jid", "queue", "name", "owner" ];

var graphWindowBehaviour = 'tabbed-new-window';
var previousGraphWindow;

var filterMenu = new Ext.menu.Menu(
{
        id:     'filterMenu',
        items:  [ new Ext.menu.Item({ text: 'Clear all', handler: clearFilters }) ]
});

var filterButton = new Ext.MenuButton(
{
        id:             'filtermenuknop',
        text:           'Filters',
        toolip:         'Click to change filter options',
        disabled:       true,
        menu:           filterMenu,
        listeners:
        {
                'click':
                {
                        scope:  this,
                        fn:     function( myButton, event )
                                {       // immediatly show menu when button is clicked
                                        myButton.menu.show( myButton.getEl() );
                                }
                }
        }
});

function checkGraphWindowOption( item, checked )
{
        graphWindowBehaviour    = item.id;
}

var graphMenu = new Ext.menu.Menu(
{
        id:     'graphMenu',
        items:
        [{
                id:             'new-window',
                text:           'Each job in new window',
                checked:        false,
                group:          'graphwindow',
                handler:        checkGraphWindowOption
        },{
                id:             'tabbed-new-window',
                text:           'Each job in a seperate tab, in new window',
                checked:        true,
                group:          'graphwindow',
                handler:        checkGraphWindowOption
        },{
                id:             'tabbed-prev-window',
                text:           'Each job in a seperate tab, in last opened window',
                checked:        false,
                group:          'graphwindow',
                handler:        checkGraphWindowOption
        }]
});

var showGraphsButton = new Ext.MenuButton(
{
        id:             'showgraphbutton',
        text:           'Show graphs',
        disabled:       true,
        menu:           graphMenu,
        listeners:
        {
                'click':
                {
                        scope:  this,
                        fn:     ShowGraphs
                }
        }
});

Ext.namespace('Ext.ux');

Ext.ux.PageSizePlugin = function()
{
        Ext.ux.PageSizePlugin.superclass.constructor.call(this,
        {
                store:  new Ext.data.SimpleStore(
                {
                        fields: ['text', 'value'],
                        data:   [['10', 10], ['15', 15], ['20', 20], ['30', 30], ['50', 50], ['100', 100], ['max', 'max' ]]
                }),
                mode:           'local',
                displayField:   'text',
                valueField:     'value',
                editable:       false,
                allowBlank:     false,
                triggerAction:  'all',
                width:          40
        });
};

Ext.extend(Ext.ux.PageSizePlugin, Ext.form.ComboBox,
{
        init:                   function(paging)
                                {
                                        paging.on('render', this.onInitView, this);
                                },
    
        onInitView:             function(paging)
                                {
                                        paging.add('-',
                                        this,
                                        'jobs per page'
                                        );
                                        this.setValue(paging.pageSize);
                                        this.on('select', this.onPageSizeChanged, paging);
                                },

        onPageSizeChanged:      function(combo)
                                {
                                        if ( combo.getValue() == 'max' )
                                        {
                                                mylimit = JobsDataStore.getTotalCount();
                                        }
                                        else
                                        {
                                                mylimit = parseInt(combo.getValue());
                                        }
                                        this.pageSize = mylimit;
                                        this.doLoad(0);
                                }
});

Ext.namespace( 'Ext' );

function clearFilters()
{
        if( inMyArrayKeys( myfilters, 'query' ) )
        {
                SearchField.getEl().dom.value = '';
                delete SearchField.store.baseParams['query'];
                delete myfilters['query'];
                delete myparams['query'];
        }
        if( inMyArrayKeys( myfilters, 'host' ) )
        {
                delete myfilters['host'];
                delete myparams['host'];
        }
        if( inMyArrayKeys( myfilters, 'jid' ) )
        {
                delete myfilters['jid'];
                delete myparams['jid'];
        }
        if( inMyArrayKeys( myfilters, 'queue' ) )
        {
                delete myfilters['queue'];
                delete myparams['queue'];
        }
        if( inMyArrayKeys( myfilters, 'owner' ) )
        {
                delete myfilters['owner'];
                delete myparams['owner'];
        }
        if( inMyArrayKeys( myfilters, 'status' ) )
        {
                delete myfilters['status'];
                delete myparams['status'];
        }
        reloadJobStore();
}

function makeArrayURL( somearr )
{
        filter_url = '';
        filter_sep = '';

        for( filtername in somearr )
        {
                filter_url = filter_url + filter_sep + filtername + '=' + somearr[filtername];
                filter_sep = '&';
        }

        return filter_url;
}


function isset( somevar )
{
        try
        {
                if( eval( somevar ) ) { }
        }
        catch( err )
        {
                return false;
        }
        return true;
}

function inMyArray( arr, someval )
{
        for( arval in arr )
        {
                if( arval == someval )
                {
                        return true;
                }
        }
        return false;
}

function ArraySize( arr )
{
        count = 0;

        for( arkey in arr )
        {
                count = count + 1;
        }

        return count;
}

function inMyArrayValues( arr, someval )
{
        for( arkey in arr )
        {
                if( arr[arkey] == someval )
                {
                        return true;
                }
        }
        return false;
}

function inMyArrayKeys( arr, someval )
{
        for( arkey in arr )
        {
                if( arkey == someval )
                {
                        return true;
                }
        }
        return false;
}

function joinMyArray( arr1, arr2 )
{
        for( arkey in arr2 )
        {
                arr1[arkey] = arr2[arkey];
        }

        return arr1;
}

function ClusterImageSelectHost( somehost )
{
        if( !inMyArrayKeys( myfilters, 'host' ) )
        {
                myfilters['host'] = somehost;
        }
        else
        {
                if( myfilters['host'] == somehost )
                {
                        delete myfilters['host'];
                        delete myparams['host'];
                }
                else
                {
                        myfilters['host'] = somehost;
                }
        }

        reloadClusterImage();
        reloadJobStore();

        // returning false causes a image reload
        //
        return false;
}

function reloadJobStore()
{
        // Respect any other parameters that may have been set outside filters
        //
        myparams = joinMyArray( myparams, myfilters );

        // Can't be sure if there are enough pages for new filter: reset to page 1
        //
        myparams = joinMyArray( myparams, { start: 0, limit: mylimit } );

        JobsDataStore.reload( { params: myparams } );
}

function addListener(element, type, expression, bubbling)
{
        bubbling = bubbling || false;

        if(window.addEventListener)
        { // Standard
                element.addEventListener(type, expression, bubbling);
                return true;
        } 
        else if(window.attachEvent) 
        { // IE
                element.attachEvent('on' + type, expression);
                return true;
        }
        else 
        {
                return false;
        }
}

function makeFilterString()
{
        var filter_str = '';

        for( arkey in myfilters )
        {
                filter_str = filter_str + ' > ' + myfilters[arkey];
        }

        return filter_str;
}

var ImageLoader = function( id, url )
{
        this.url = url;
        this.image = document.getElementById( id );
        this.loadEvent = null;
};

ImageLoader.prototype = 
{
        load:           function()
                        {
                                var url         = this.url;
                                var image       = this.image;
                                var loadEvent   = this.loadEvent;
                                addListener( this.image, 'load',
                                        function(e)
                                        {
                                                if( loadEvent != null )
                                                {
                                                        loadEvent( url, image );
                                                }
                                        }, false);
                                this.image.src = this.url;
                        },
        getImage:       function()
                        {
                                return this.image;
                        }
};

function achorJobListing()
{
        JobListingWindow.anchorTo( "ClusterImageWindow", "tr-br", [ 0, 10 ] );
}

function setClusterImagePosition()
{
        ci_x = (window.innerWidth - ClusterImageWindow.getSize()['width'] - 20); 
        ClusterImageWindow.setPosition( ci_x, 10 );
}

function deselectFilterMenu( menuItem, event )
{
        filterValue = menuItem.text;

        if( filterValue == SearchField.getEl().dom.value && inMyArrayKeys( myfilters, 'query' ) )
        {
                SearchField.getEl().dom.value = '';
                delete SearchField.store.baseParams['query'];
        }

        for( arkey in myfilters )
        {
                if( myfilters[arkey] == filterValue )
                {
                        delete myfilters[arkey];
                        delete myparams[arkey];
                }
        }
        reloadJobStore();
}

function makeFilterMenu()
{
        var filterMenu = new Ext.menu.Menu(
        {
                id:     'filterMenu',
                items:  [ new Ext.menu.Item({ text: 'Clear all', handler: clearFilters }) ]
        });

        if( ArraySize( myfilters ) > 0 )
        {
                filterMenu.addSeparator();
        }

        for( arkey in myfilters )
        {
                filterMenu.add( new Ext.menu.CheckItem({ text: myfilters[arkey], handler: deselectFilterMenu, checked: true }) );
        }

        if( filterButton )
        {
                filterButton.menu = filterMenu;

                if( ArraySize( myfilters ) > 0 )
                {
                        filterButton.enable();
                }
                else
                {
                        filterButton.disable();
                }
        }
}

function reloadClusterImage()
{
        ClusterImageArgs['view']        = 'big-clusterimage';

        filt_url                        = makeArrayURL( myfilters );
        imag_url                        = makeArrayURL( ClusterImageArgs );
        img_url                         = './image.php?' + filt_url + '&' + imag_url;

        var newClusterImage             = new ImageLoader( 'clusterimage', img_url );
        newClusterImage.loadEvent       = function( url, image ) 
        {
                ClusterImageWindow.getBottomToolbar().clearStatus( { useDefaults:true } );
                setTimeout( "resizeClusterImage()", 250 );
                setTimeout( "setClusterImagePosition()", 500 );
                //setTimeout( "achorJobListing()", 1000 );
        }

        ClusterImageWindow.getBottomToolbar().showBusy();

        filter_str = 'Nodes' + makeFilterString();
        ClusterImageWindow.setTitle( filter_str );

        newClusterImage.load();
}

function resizeClusterImage()
{
        var ci_height   = document.getElementById( "clusterimage" ).height + ClusterImageWindow.getFrameHeight();
        var ci_width    = document.getElementById( "clusterimage" ).width + ClusterImageWindow.getFrameWidth();

        ClusterImageWindow.setSize( ci_width, ci_height );
}

Ext.apply(Ext.form.VTypes,
{
        num:            function(val, field)
                        {
                                if (val) 
                                {
                                        var strValidChars = "0123456789";
                                        var blnResult = true;

                                        if (val.length == 0) return false;

                                        //  test strString consists of valid characters listed above
                                        for (i = 0; i < val.length && blnResult == true; i++)
                                        {
                                                strChar = val.charAt(i);
                                                if (strValidChars.indexOf(strChar) == -1)
                                                {
                                                        blnResult = false;
                                                }
                                        }
                                        return blnResult;

                                }
                        },
        numText:        'Must be numeric'
});

function jobBeforeRowSelect( mySelectionModel, rowIndex, keepExisting, myRecord )
{
        if( myRecord.get('status') == 'Q' )
        {       // return false: dont select row if queued
                return false;
        }

        return true;
}

function jobRowSelect( mySelectionModel, rowIndex, myRecord ) 
{
        if( mySelectionModel.hasSelection() )
        {
                showGraphsButton.enable();

                return 0;
        }

        showGraphsButton.disable();
}

function jobCellClick(grid, rowIndex, columnIndex, e)
{
        var record              = grid.getStore().getAt(rowIndex);  // Get the Record
        var fieldName           = grid.getColumnModel().getDataIndex(columnIndex);
        var data                = record.get(fieldName);
        var view                = grid.getView();
        var cell                = view.getCell( rowIndex, columnIndex );
        var filter_title        = false;
        var fil_dis             = 'filter';
        var fil_ena             = 'filterenabled';
        var filterName          = fieldName;

        if( fieldName == 'owner' || fieldName == 'jid' || fieldName == 'status' || fieldName == 'queue' || fieldName == 'nodes')
        {
                if( fieldName == 'nodes' )
                {
                        filterName      = 'host';
                        fil_dis         = 'nodesfilter';
                        fil_ena         = 'nodesfilterenabled';
                }
                if( inMyArrayKeys( myfilters, filterName ) )
                {
                        Ext.fly(cell).removeClass( fil_ena );
                        Ext.fly(cell).addClass( fil_dis );

                        // Remove this filter
                        //
                        delete myfilters[filterName];
                        delete myparams[filterName];

                        reloadJobStore();
                        //reloadClusterImage();
                }
                else
                {
                        Ext.fly(cell).removeClass( fil_dis );
                        Ext.fly(cell).addClass( fil_ena );

                        if( fieldName == 'nodes' )
                        { // Get the first node (master mom) as node filter
                                new_data = data.split( ',' )[0];
                                data = new_data;
                        }

                        // Set filter for selected column to selected cell value
                        //
                        myfilters[filterName] = data;

                        reloadJobStore();
                        //reloadClusterImage();
                }
                JobListingWindow.setTitle( filter_str );

                filter_title    = true;
                filter_str      = myparams.c + ' Jobs Overview' + makeFilterString();
        }
}

function jobCellRender( value, metadata, record, rowindex, colindex, store )
{
        var fieldName   = JobsColumnModel.getColumnById( colindex ).dataIndex;
        var fil_dis     = 'filter';
        var fil_ena     = 'filterenabled';
        var filterName  = fieldName;

        if( fieldName == 'owner' || fieldName == 'jid' || fieldName == 'status' || fieldName == 'queue' || fieldName == 'nodes' )
        {
                if( fieldName == 'nodes' )
                {
                        fil_dis         = 'nodesfilter';
                        fil_ena         = 'nodesfilterenabled';
                        filterName      = 'host';
                }
                if( myfilters[filterName] != null )
                {
                        metadata.css    = fil_ena;
                }
                else
                {
                        metadata.css    = fil_dis;
                }
        }
        return value;
}

var JobProxy = new Ext.data.HttpProxy(
{
        url:            'jobstore.php',
        method:         'POST'
});

JobsDataStore = new Ext.data.Store(
{
        id:             'JobsDataStore',
        proxy:          JobProxy,
        baseParams:     { task: "GETJOBS" },
        reader:
                new Ext.data.JsonReader(
                {
                        root:           'results',
                        totalProperty:  'total',
                        id:             'id'
                },
                [
                        {name: 'jid', type: 'int', mapping: 'jid'},
                        {name: 'status', type: 'string', mapping: 'status'},
                        {name: 'owner', type: 'string', mapping: 'owner'},
                        {name: 'queue', type: 'string', mapping: 'queue'},
                        {name: 'name', type: 'string', mapping: 'name'},
                        {name: 'requested_time', type: 'string', mapping: 'requested_time'},
                        {name: 'requested_memory', type: 'string', mapping: 'requested_memory'},
                        {name: 'ppn', type: 'int', mapping: 'ppn'},
                        {name: 'nodect', type: 'int', mapping: 'nodect'},
                        {name: 'nodes', type: 'string', mapping: 'nodes'},
                        {name: 'queued_timestamp', type: 'string', mapping: 'queued_timestamp'},
                        {name: 'start_timestamp', type: 'string', mapping: 'start_timestamp'},
                        {name: 'runningtime', type: 'string', mapping: 'runningtime'}
                ]),
        sortInfo: 
        { 
                field:          'jid', 
                direction:      "DESC" 
        },
        remoteSort: true,
        listeners:
        { 
                'beforeload':
                {
                        scope: this,
                        fn:

                        function( myStore, myOptions )
                        {
                                // Add a (bogus) timestamp, to create a unique url and prevent browser caching
                                //
                                myStore.proxy.url       = 'jobstore.php?timestamp=' + new Date().getTime();

                                if( SearchField )
                                {
                                        search_value = SearchField.getEl().dom.value;
                                        if( search_value == '' )
                                        {
                                                delete SearchField.store.baseParams['query'];
                                                delete myfilters['query'];
                                                delete myparams['query'];
                                        }
                                        else
                                        {
                                                myfilters['query']      = search_value;
                                        }

                                        makeFilterMenu();
                                        reloadClusterImage();

                                        filter_str = myparams.c + ' Jobs Overview' + makeFilterString();
                                        JobListingWindow.setTitle( filter_str );
                                }
                        }
                }
        }
});
   
var CheckJobs =

        new Ext.grid.CheckboxSelectionModel(
        {
                listeners:
                {
                        'beforerowselect':
                        {
                                scope:  this,
                                fn:     jobBeforeRowSelect
                        },
                        'rowselect':
                        {
                                scope:  this,
                                fn:     jobRowSelect
                        },
                        'rowdeselect':
                        {
                                scope:  this,
                                fn:     jobRowSelect
                        }
                },
        });

JobsColumnModel = new Ext.grid.ColumnModel(
[
        CheckJobs,
        {
                header:         '#',
                tooltip:        'Job id',
                readOnly:       true,
                dataIndex:      'jid',
                width:          50,
                hidden:         false,
                renderer:       jobCellRender
        },{
                header:         'S',
                tooltip:        'Job status',
                readOnly:       true,
                dataIndex:      'status',
                width:          20,
                hidden:         false,
                renderer:       jobCellRender
        },{
                header:         'User',
                tooltip:        'Owner of job',
                readOnly:       true,
                dataIndex:      'owner',
                width:          60,
                hidden:         false,
                renderer:       jobCellRender
        },{
                header:         'Queue',
                tooltip:        'In which queue does this job reside',
                readOnly:       true,
                dataIndex:      'queue',
                width:          60,
                hidden:         false,
                renderer:       jobCellRender
        },{
                header:         'Name',
                tooltip:        'Name of job',
                readOnly:       true,
                dataIndex:      'name',
                width:          100,
                hidden:         false
        },{
                header:         'Requested Time',
                tooltip:        'Amount of requested time (wallclock)',
                readOnly:       true,
                dataIndex:      'requested_time',
                width:          100,
                hidden:         false
        },{
                header:         'Requested Memory',
                tooltip:        'Amount of requested memory',
                readOnly:       true,
                dataIndex:      'requested_memory',
                width:          100,
                hidden:         true
        },{
                header:         'P',
                tooltip:        'Number of processors per node (PPN)',
                readOnly:       true,
                dataIndex:      'ppn',
                width:          25,
                hidden:         false
        },{
                header:         'N',
                tooltip:        'Number of nodes (hosts)',
                readOnly:       true,
                dataIndex:      'nodect',
                width:          25,
                hidden:         false
        },{
                header:         'Nodes',
                readOnly:       true,
                dataIndex:      'nodes',
                width:          100,
                hidden:         false,
                renderer:       jobCellRender
        },{
                header:         'Queued',
                tooltip:        'At what time did this job enter the queue',
                readOnly:       true,
                dataIndex:      'queued_timestamp',
                width:          120,
                hidden:         false
        },{
                header:         'Started',
                tooltip:        'At what time did this job enter the running status',
                readOnly:       true,
                dataIndex:      'start_timestamp',
                width:          120,
                hidden:         false
        },{
                header:         'Runningtime',
                tooltip:        'How long has this job been in the running status',
                readOnly:       true,
                dataIndex:      'runningtime',
                width:          140,
                hidden:         false
        }]
);

JobsColumnModel.defaultSortable = true;

var win;

MetricsDataStore = new Ext.data.Store(
{
        id:             'MetricsDataStore',
        proxy:          JobProxy,
        autoLoad:       false,
        baseParams:     { task: "GETMETRICS" },
        reader:
                new Ext.data.JsonReader(
                {
                        root: 'names',
                        totalProperty: 'total',
                        id: 'id'
                },
                [{
                        name: 'ID'
                },{
                        name: 'name'
                }]
                )
});

SearchField     = new Ext.app.SearchField(
                {
                        store:  JobsDataStore,
                        params: {start: 0, limit: mylimit},
                        width:  200
                });

function createNodesDataStore( cluster, jid )
{
        nodesDataStore =

                new Ext.data.Store(
                {
                        //id:           'NodesDataStore',
                        proxy:          new Ext.data.HttpProxy(
                        {
                                url:            'jobstore.php',
                                method:         'POST'
                        }),
                        autoLoad:       true,
                        baseParams:
                        {
                                'task':                 "GETNODES",
                                'c':                    cluster,
                                'jid':                  jid
                        },
                        reader: new Ext.data.JsonReader(
                        {
                                root:           'results',
                                totalProperty:  'total',
                                id:             'id'
                        },[
                                {name: 'c', type: 'string', mapping: 'c'},
                                {name: 'h', type: 'string', mapping: 'h'},
                                {name: 'x', type: 'string', mapping: 'x'},
                                {name: 'v', type: 'string', mapping: 'v'},
                                {name: 'l', type: 'string', mapping: 'l'},
                                {name: 'jr', type: 'string', mapping: 'jr'},
                                {name: 'js', type: 'string', mapping: 'js'},
                                {name: 'jid', type: 'string', mapping: 'jid'}
                        ]),
                        listeners:
                        { 
                                'beforeload':
                                {
                                        scope: this,
                                        fn:

                                        function( myStore, myOptions )
                                        {
                                                // Add a (bogus) timestamp, to create a unique url and prevent browser caching
                                                //
                                                myStore.proxy.url       = 'jobstore.php?timestamp=' + new Date().getTime();
                                        }
                                }
                        }

                });

        return nodesDataStore;
}

function createGraphView( store, jid )
{
        var graphView =
        
                new Ext.DataView(
                {
                        id:             jid,    
                        itemSelector:   'thumb',
                        title:          jid,
                        style:          'overflow:auto',
                        multiSelect:    true,
                        autoHeight:     true,
                        autoShow:       true,
                        //autoScroll:   true,
                        loadMask:       true,
                        store:          store,
                        layout:         'fit',
                        closable:       true,
                        tpl:
                        
                                new Ext.XTemplate(
                                        '<tpl for=".">',
                                        '<div class="rrd-float"><a href="../../graph.php?z=large&c={c}&h={h}&l={l}&v={v}\&x={x}&r=job&jr={jr}&js={js}" border="0" rel="lightbox[{jid}]"><img src="../../graph.php?z=small&c={c}&h={h}&l={l}&v={v}&x={x}&r=job&jr={jr}&js={js}" border="0"></a></div>',
                                        '</tpl>'
                                )
                });

        return graphView;
}

function createGraphPanel( view )
{
        var graphPanel = 

                new Ext.TabPanel(
                {
                        id:             'tabPanel',
                        region:         'center',
                        bodyStyle:      'background: transparent',
                        autoShow:       true,
                        autoHeight:     true,
                        autoWidth:      true,
                        autoScroll:     true,
                        resizeTabs:     true,
                        minTabWidth:    60,
                        //tabWidth:     135,
                        //closeable:    true,
                        enableTabScroll:true,
                        resizeTabs:     true,
                        // RB TODO: range combobox; hour, day, week, etc

                        tbar:
                        [
                                new Ext.form.ComboBox(
                                {
                                        fieldLabel:     'Metric',
                                        store:          MetricsDataStore,
                                        valueField:     'name',
                                        displayField:   'name',
                                        typeAhead:      true,
                                        mode:           'remote',
                                        triggerAction:  'all',
                                        emptyText:      'load_one',
                                        selectOnFocus:  true,
                                        xtype:          'combo',
                                        width:          190,
                                        listeners:
                                        {
                                                select: 
                                                                
                                                function(combo, record, index)
                                                {
                                                        var metric = record.data.name;
                                                        // doe iets

                                                        // RB: misschien zo metric opgeven aan datastore?
                                                        //items[0].items[0].getStore().baseParams.metric = metric;
                                                }
                                        }
                                })
                        ]
                });

        return graphPanel;
}

function createGraphWindow( panel, Button )
{
        graphWindow =

                new Ext.Window(
                {
                        animateTarget:  Button,
                        width:          500,
                        height:         300,
                        closeAction:    'hide',
                        collapsible:    true,
                        animCollapse:   true,
                        maximizable:    true,
                        //autoScroll:   true,
                        //defaults:     {autoScroll:true},
                        title:          'Node graph details',
                        tbar:           panel,
                
                        listeners:
                        {
                                resize:

                                function(  myWindow, width, height )
                                {
                                        var myPanel     = myWindow.items.get( 'tabPanel' );
                                        var myView      = myPanel.getActiveTab();

                                        myPanel.doLayout();
                                        myWindow.doLayout();
                                }
                        }
                });

        return graphWindow;
}

function ShowGraphs( Button, Event ) 
{
        var row_records         = CheckJobs.getSelections();
        var graphJids           = Array();
        var windowCount         = 0;
        var tabCount            = 0;

        for( var i=0; i<row_records.length; i++ )
        {
                rsel            = row_records[i];
                jid             = rsel.get('jid');

                if( graphJids[windowCount] == undefined )
                {
                        graphJids[windowCount]  = Array();
                }

                graphJids[windowCount][tabCount]        = jid;

                if( (i+1) < row_records.length )
                {
                        if( graphWindowBehaviour == 'new-window' )
                        {
                                windowCount++;
                        }
                        else
                        {
                                tabCount++;
                        }
                }
        }

        for( var w=0; w<=windowCount; w++ )
        {
                if( ( graphWindowBehaviour == 'tabbed-prev-window' ) && ( previousGraphWindow != null ) && ( previousGraphPanel != null ) )
                {
                        myWindow        = previousGraphWindow;
                        myPanel         = previousGraphPanel;
                }
                else
                {
                        myPanel         = createGraphPanel();
                        myWindow        = createGraphWindow( myPanel, Button );

                        myWindow.add( myPanel );
                }

                for( var t=0; t<=tabCount; t++ )
                {
                        nodeDatastore   = createNodesDataStore( myparams.c, graphJids[w][t] );
                        graphView       = createGraphView( nodeDatastore, graphJids[w][t] );

                        nodeDatastore.removeAll();

                        lastView        = myPanel.add( graphView );

                        myPanel.doLayout();
                }

                myPanel.setActiveTab( lastView );

                myWindow.show( Button );
                myWindow.doLayout();

                previousGraphWindow     = myWindow;
                previousGraphPanel      = myPanel;
        }
}

var JobListingEditorGrid =

        new Ext.grid.EditorGridPanel(
        {
                id:             'JobListingEditorGrid',
                store:          JobsDataStore,
                cm:             JobsColumnModel,
                enableColLock:  false,
                clicksToEdit:   1,
                loadMask:       true,
                selModel:       new Ext.grid.RowSelectionModel( { singleSelect: false } ),
                stripeRows:     true,
                sm:             CheckJobs,
                listeners:
                {
                        'cellclick':
                        {
                                scope:  this,
                                fn:     jobCellClick
                        }
                },
                bbar:
        
                new Ext.PagingToolbar(
                {
                        pageSize:       15,
                        store:          JobsDataStore,
                        displayInfo:    true,
                        displayMsg:     'Displaying jobs {0} - {1} out of {2} jobs total found.',
                        emptyMsg:       'No jobs found to display',
                        plugins:        [ new Ext.ux.PageSizePlugin() ]
                }),

                tbar: 
                [ 
                        SearchField,
                        showGraphsButton,
                        filterButton 
                ]
        });

var ClusterImageWindow =

        new Ext.Window(
        {
                id:             'ClusterImageWindow',
                title:          'Nodes',
                closable:       true,
                collapsible:    true,
                animCollapse:   true,
                width:          1,
                height:         1,
                y:              15,
                plain:          true,
                shadow:         true,
                resizable:      false,
                shadowOffset:   10,
                layout:         'fit',
                bbar: 
                
                        new Ext.StatusBar(
                        {
                                defaultText:    'Ready.',
                                id:             'basic-statusbar',
                                defaultIconCls: ''
                        })
        });

var GraphSummaryWindow =

        new Ext.Window(
        {
                id:             'GraphSummaryWindow',
                title:          'Graph Summary',
                closable:       true,
                collapsible:    true,
                animCollapse:   true,
                width:          500,
                height:         400,
                x:              10,
                y:              10,
                plain:          true,
                shadow:         true,
                resizable:      true,
                shadowOffset:   10,
                layout:         'table',
                layoutConfig: 
                {
                        columns: 2
                },
                defaults:       { border: false },
                items: 
                [
                        {
                                id:             'monarchlogo',
                                cls:            'monarch',
                                bodyStyle:      'background: transparent',
                                html:           '<A HREF="https://subtrac.sara.nl/oss/jobmonarch/" TARGET="_blank"><IMG SRC="./jobmonarch.gif" ALT="Job Monarch" BORDER="0"></A>'
                                //colspan: 2
                        },{
                                id:             'summarycount'
                        },{
                                id:             'rjqjgraph'
                        },{
                                id:             'pie',
                                colspan:        2
                        }
                ],
                bbar:
                
                        new Ext.StatusBar(
                        {
                                defaultText:    'Ready.',
                                id:             'basic-statusbar',
                                defaultIconCls: ''
                        })
        });

var JobListingWindow =

        new Ext.Window(
        {
                id:             'JobListingWindow',
                title:          'Cluster Jobs Overview',
                closable:       true,
                collapsible:    true,
                animCollapse:   true,
                maximizable:    true,
                y:              375,
                width:          860,
                height:         445,
                plain:          true,
                shadow:         true,
                shadowOffset:   10,
                layout:         'fit',
                items:          JobListingEditorGrid
        });