/* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU GPL (v>=3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out
 * the documentation coming with IMIS-Labordaten-Application for details.
 */

/**
 * Grid to list Messwerte
 */
Ext.define('Lada.view.grid.Messwert', {
    extend: 'Ext.grid.Panel',
    alias: 'widget.messwertgrid',

    requires: [
        'Lada.view.form.ExpNumberField',
        'Lada.view.widget.Messgroesse',
        'Lada.view.widget.Messeinheit'
    ],

    emptyText: 'Keine Messwerte gefunden.',
    minHeight: 44,
    viewConfig: {
        deferEmptyText: false
    },
    margin: '0, 5, 15, 5',

    recordId: null,
    readOnly: true,
    allowDeselect: true,
    messgroesseStore: null,
    bottomBar: true,

    initComponent: function() {
        this.rowEditing = Ext.create('Ext.grid.plugin.RowEditing', {
            clicksToMoveEditor: 1,
            autoCancel: false,
            disabled: false,
            pluginId: 'rowedit',
            listeners:{
                // Make row ineditable when readonly is set to true
                // Normally this would belong into a controller an not the view.
                // But the RowEditPlugin is not handled there.
                beforeedit: function(e, o) {
                    // We are not in a messung window!
                    if (!o.grid.up('window')) {
                        return false;
                    }
                    // We are in a messung window and should check if we can
                    // edit.
                    var readonlywin = o.grid.up('window').record.get('readonly');
                    var readonlygrid = o.record.get('readonly');
                    if (readonlywin == true || readonlygrid == true || this.disabled)  {
                        return false;
                    }
                    return true;
                }
            }
        });
        var me = this;
        this.plugins = [this.rowEditing];

        this.dockedItems = [{
            xtype: 'toolbar',
            dock: 'bottom',
            items: ['->', {
                text: 'Hinzufügen',
                icon: 'resources/img/list-add.png',
                action: 'add',
                probeId: this.probeId,
                parentId: this.parentId
            }, {
                text: 'Löschen',
                icon: 'resources/img/list-remove.png',
                action: 'delete'
            }]
        }];
        this.columns = [{
            header: 'Messgröße',
            dataIndex: 'messgroesseId',
            width: 80,
            renderer: function(value) {
                if (!value || value === '') {
                    return '';
                }
                var store = Ext.data.StoreManager.get('messgroessen');
                return store.findRecord('id', value, 0, false, false, true).get('messgroesse');
            },
            editor: {
                xtype: 'combobox',
                store: me.messgroesseStore,
                displayField: 'messgroesse',
                valueField: 'id',
                allowBlank: false,
                editable: true,
                forceSelection: true,
                autoSelect: true,
                queryMode: 'local',
                minChars: 0,
                typeAhead: false,
                triggerAction: 'all'
            }
        }, {
            header: '<NWG',
            width: 60,
            dataIndex: 'messwertNwg',
            editor: {
                xtype: 'checkbox',
                inputValue: '<'
            }
        }, {
            header: 'Messwert',
            dataIndex: 'messwert',
            width: 80,
            editor: {
                xtype: 'expnumberfield',
                allowBlank: false
            },
            renderer: function(value) {
                if (!value || value === '') {
                    return value;
                }
                var strValue = value.toExponential(2).toString()
                    .replace('.', Ext.util.Format.decimalSeparator);
                var splitted = strValue.split('e');
                var exponent = parseInt(splitted[1]);
                return splitted[0] + 'e'
                    + ((exponent < 0) ? '-' : '+')
                    + ((Math.abs(exponent) < 10) ? '0' : '')
                    + Math.abs(exponent).toString();
            }
        }, {
            header: 'Messeinheit',
            dataIndex: 'mehId',
            width: 90,
            renderer: function(value) {
                if (!value || value === '') {
                    return '';
                }
                var store = Ext.data.StoreManager.get('messeinheiten');
                return store.findRecord('id', value, 0, false, false, true).get('einheit');
            },
            editor: {
                xtype: 'combobox',
                store: Ext.data.StoreManager.get('messeinheiten'),
                displayField: 'einheit',
                valueField: 'id',
                allowBlank: false,
                editable: true,
                forceSelection: true,
                autoSelect: true,
                queryMode: 'local',
                minChars: 0,
                typeAhead: false,
                triggerAction: 'all'
            }
        }, {
            header: 'Messfehler',
            dataIndex: 'messfehler',
            xtype: 'numbercolumn',
            width: 80,
            editor: {
                xtype: 'numberfield',
                allowBlank: false,
                maxLength: 10,
                allowExponential: false,
                enforceMaxLength: true
            }
        }, {
            header: 'Nachweisgrenze',
            dataIndex: 'nwgZuMesswert',
            width: 80,
            editor: {
                xtype: 'expnumberfield'
            },
            renderer: function(value) {
                if (!value || value === '') {
                    return value;
                }
                var strValue = value.toExponential(2).toString()
                    .replace('.', Ext.util.Format.decimalSeparator);
                var splitted = strValue.split('e');
                var exponent = parseInt(splitted[1]);
                return splitted[0] + 'e'
                    + ((exponent < 0) ? '-' : '+')
                    + ((Math.abs(exponent) < 10) ? '0' : '')
                    + Math.abs(exponent).toString();
            }
        }, {
            header: 'Grenzwertüberschreitung',
            dataIndex: 'grenzwertueberschreitung',
            flex: 1,
            renderer: function(value) {
                if (value === true) {
                    return 'Ja';
                }
                return 'Nein';
            },
            editor: {
                xtype: 'checkbox'
            }
        }];
        this.listeners = {
           select: {
               fn: this.activateRemoveButton,
               scope: this
            },
            deselect: {
                fn: this.deactivateRemoveButton,
                scope: this
            }
        };
        this.initData();
        this.callParent(arguments);
        this.setReadOnly(true); //Grid is always initialised as RO
        if (!me.bottomBar) {
            this.down('toolbar[dock=bottom]').hide();
        }
    },

    initData: function() {
        if (this.store) {
            this.store.removeAll();
        }
        else {
            this.store = Ext.create('Lada.store.Messwerte');
        }
        this.store.load({
            params: {
                messungsId: this.recordId
            }
        });
    },

    setReadOnly: function(b) {
        if (b == true){
            //Readonly
            if (this.getPlugin('rowedit')){
                this.getPlugin('rowedit').disable();
            }
            this.down('button[action=delete]').disable();
            this.down('button[action=add]').disable();
        }else{
            //Writable
            if (this.getPlugin('rowedit')){
                this.getPlugin('rowedit').enable();
            }
            //this.down('button[action=delete]').enable();
            this.down('button[action=add]').enable();
         }
    },
    /**
     * Activate the Remove Button
     */
    activateRemoveButton: function(selection, record) {
        var grid = this;
        //only enable the remove buttone, when the grid is editable.
        if (! grid.readOnly) {
            grid.down('button[action=delete]').enable();
        }
    },
    /**
     * Activate the Remove Button
     */
    deactivateRemoveButton: function(selection, record) {
        var grid = this;
        //only enable the remove buttone, when the grid is editable.
        if (! grid.readOnly) {
            grid.down('button[action=delete]').disable();
        }
    }
});