/*
This file is part of Ext JS 3.4

Copyright (c) 2011-2013 Sencha Inc

Contact:  http://www.sencha.com/contact

GNU General Public License Usage
This file may be used under the terms of the GNU General Public License version 3.0 as
published by the Free Software Foundation and appearing in the file LICENSE included in the
packaging of this file.

Please review the following information to ensure the GNU General Public License version 3.0
requirements will be met: http://www.gnu.org/copyleft/gpl.html.

If you are unsure which license is appropriate for your use, please contact the sales department
at http://www.sencha.com/contact.

Build date: 2013-04-03 15:07:25
*/
Ext.onReady(function(){
    Ext.QuickTips.init();

    var Employee = Ext.data.Record.create([{
        name: 'name',
        type: 'string'
    }, {
        name: 'email',
        type: 'string'
    }, {
        name: 'start',
        type: 'date',
        dateFormat: 'n/j/Y'
    },{
        name: 'salary',
        type: 'float'
    },{
        name: 'active',
        type: 'bool'
    }]);


    // hideous function to generate employee data
    var genData = function(){
        var data = [];
        var s = new Date(2007, 0, 1);
        var now = new Date(), i = -1;
        while(s.getTime() < now.getTime()){
            var ecount = Ext.ux.getRandomInt(0, 3);
            for(var i = 0; i < ecount; i++){
                var name = Ext.ux.generateName();
                data.push({
                    start : s.clearTime(true).add(Date.DAY, Ext.ux.getRandomInt(0, 27)),
                    name : name,
                    email: name.toLowerCase().replace(' ', '.') + '@exttest.com',
                    active: true,
                    salary: Math.floor(Ext.ux.getRandomInt(35000, 85000)/1000)*1000
                });
            }
            s = s.add(Date.MONTH, 1);
        }
        return data;
    }


    var store = new Ext.data.GroupingStore({
        reader: new Ext.data.JsonReader({fields: Employee}),
        data: genData(),
        sortInfo: {field: 'start', direction: 'ASC'}
    });

    var editor = new Ext.ux.grid.RowEditor({
        saveText: 'Update'
    });

    var grid = new Ext.grid.GridPanel({
        store: store,
        width: 600,
        region:'center',
        margins: '0 5 5 5',
        autoExpandColumn: 'name',
        plugins: [editor],
        view: new Ext.grid.GroupingView({
            markDirty: false
        }),
        tbar: [{
            iconCls: 'icon-user-add',
            text: 'Add Employee',
            handler: function(){
                var e = new Employee({
                    name: 'New Guy',
                    email: 'new@exttest.com',
                    start: (new Date()).clearTime(),
                    salary: 50000,
                    active: true
                });
                editor.stopEditing();
                store.insert(0, e);
                grid.getView().refresh();
                grid.getSelectionModel().selectRow(0);
                editor.startEditing(0);
            }
        },{
            ref: '../removeBtn',
            iconCls: 'icon-user-delete',
            text: 'Remove Employee',
            disabled: true,
            handler: function(){
                editor.stopEditing();
                var s = grid.getSelectionModel().getSelections();
                for(var i = 0, r; r = s[i]; i++){
                    store.remove(r);
                }
            }
        }],

        columns: [
        new Ext.grid.RowNumberer(),
        {
            id: 'name',
            header: 'First Name',
            dataIndex: 'name',
            width: 220,
            sortable: true,
            editor: {
                xtype: 'textfield',
                allowBlank: false
            }
        },{
            header: 'Email',
            dataIndex: 'email',
            width: 150,
            sortable: true,
            editor: {
                xtype: 'textfield',
                allowBlank: false,
                vtype: 'email'
            }
        },{
            xtype: 'datecolumn',
            header: 'Start Date',
            dataIndex: 'start',
            format: 'm/d/Y',
            width: 100,
            sortable: true,
            groupRenderer: Ext.util.Format.dateRenderer('M y'),
            editor: {
                xtype: 'datefield',
                allowBlank: false,
                minValue: '01/01/2006',
                minText: 'Can\'t have a start date before the company existed!',
                maxValue: (new Date()).format('m/d/Y')
            }
        },{
            xtype: 'numbercolumn',
            header: 'Salary',
            dataIndex: 'salary',
            format: '$0,0.00',
            width: 100,
            sortable: true,
            editor: {
                xtype: 'numberfield',
                allowBlank: false,
                minValue: 1,
                maxValue: 150000
            }
        },{
            xtype: 'booleancolumn',
            header: 'Active',
            dataIndex: 'active',
            align: 'center',
            width: 50,
            trueText: 'Yes',
            falseText: 'No',
            editor: {
                xtype: 'checkbox'
            }
        }]
    });

    var cstore = new Ext.data.JsonStore({
        fields:['month', 'employees', 'salary'],
        data:[],
        refreshData: function(){
            var o = {}, data = [];
            var s = new Date(2007, 0, 1);
            var now = new Date(), i = -1;
            while(s.getTime() < now.getTime()){
                var m = {
                    month: s.format('M y'),
                    employees: 0,
                    salary: 0,
                    index: ++i
                }
                data.push(m);
                o[m.month] = m;
                s = s.add(Date.MONTH, 1);
            }
            store.each(function(r){
                var m = o[r.data.start.format('M y')];
                for(var i = m.index, mo; mo = data[i]; i++){
                    mo.employees += 10000;
                    mo.salary += r.data.salary;
                }
            });
            this.loadData(data);
        }
    });
    cstore.refreshData();
    store.on('add', cstore.refreshData, cstore);
    store.on('remove', cstore.refreshData, cstore);
    store.on('update', cstore.refreshData, cstore);

    var chart = new Ext.Panel({
        width:600,
        height:200,
        layout:'fit',
        margins: '5 5 0',
        region: 'north',
        split: true,
        minHeight: 100,
        maxHeight: 500,

        items: {
            xtype: 'columnchart',
            store: cstore,
            url:'../../resources/charts.swf',
            xField: 'month',
            yAxis: new Ext.chart.NumericAxis({
                displayName: 'Employees',
                labelRenderer : Ext.util.Format.numberRenderer('0,0')
            }),
            tipRenderer : function(chart, record, index, series){
                if(series.yField == 'salary'){
                    return Ext.util.Format.number(record.data.salary, '$0,0') + ' total salary in ' + record.data.month;
                }else{
                    return Ext.util.Format.number(Math.floor(record.data.employees/10000), '0,0') + ' total employees in ' + record.data.month;
                }
            },

            // style chart so it looks pretty
            chartStyle: {
                padding: 10,
                animationEnabled: true,
                font: {
                    name: 'Tahoma',
                    color: 0x444444,
                    size: 11
                },
                dataTip: {
                    padding: 5,
                    border: {
                        color: 0x99bbe8,
                        size:1
                    },
                    background: {
                        color: 0xDAE7F6,
                        alpha: .9
                    },
                    font: {
                        name: 'Tahoma',
                        color: 0x15428B,
                        size: 10,
                        bold: true
                    }
                },
                xAxis: {
                    color: 0x69aBc8,
                    majorTicks: {color: 0x69aBc8, length: 4},
                    minorTicks: {color: 0x69aBc8, length: 2},
                    majorGridLines: {size: 1, color: 0xeeeeee}
                },
                yAxis: {
                    color: 0x69aBc8,
                    majorTicks: {color: 0x69aBc8, length: 4},
                    minorTicks: {color: 0x69aBc8, length: 2},
                    majorGridLines: {size: 1, color: 0xdfe8f6}
                }
            },
            series: [{
                type: 'column',
                displayName: 'Salary',
                yField: 'salary',
                style: {
                    image:'../chart/bar.gif',
                    mode: 'stretch',
                    color:0x99BBE8
                }
            }]
        }
    });


    var layout = new Ext.Panel({
        title: 'Employee Salary by Month',
        layout: 'border',
        layoutConfig: {
            columns: 1
        },
        width:600,
        height: 600,
        items: [chart, grid]
    });
    layout.render(Ext.getBody());

    grid.getSelectionModel().on('selectionchange', function(sm){
        grid.removeBtn.setDisabled(sm.getCount() < 1);
    });
});
