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  <pre class="prettyprint lang-js"><span id='Ext-ux-grid-filter-DateFilter'>/**
</span> * @class Ext.ux.grid.filter.DateFilter
 * @extends Ext.ux.grid.filter.Filter
 * Filter by a configurable Ext.picker.DatePicker menu
 * &lt;p&gt;&lt;b&gt;&lt;u&gt;Example Usage:&lt;/u&gt;&lt;/b&gt;&lt;/p&gt;
 * &lt;pre&gt;&lt;code&gt;
var filters = Ext.create('Ext.ux.grid.GridFilters', {
    ...
    filters: [{
        // required configs
        type: 'date',
        dataIndex: 'dateAdded',

        // optional configs
        dateFormat: 'm/d/Y',  // default
        beforeText: 'Before', // default
        afterText: 'After',   // default
        onText: 'On',         // default
        pickerOpts: {
            // any DatePicker configs
        },

        active: true // default is false
    }]
});
 * &lt;/code&gt;&lt;/pre&gt;
 */
Ext.define('Ext.ux.grid.filter.DateFilter', {
    extend: 'Ext.ux.grid.filter.Filter',
    alias: 'gridfilter.date',
    uses: ['Ext.picker.Date', 'Ext.menu.Menu'],

<span id='Ext-ux-grid-filter-DateFilter-cfg-afterText'>    /**
</span>     * @cfg {String} afterText
     * Defaults to 'After'.
     */
    afterText : 'After',
<span id='Ext-ux-grid-filter-DateFilter-cfg-beforeText'>    /**
</span>     * @cfg {String} beforeText
     * Defaults to 'Before'.
     */
    beforeText : 'Before',
<span id='Ext-ux-grid-filter-DateFilter-cfg-compareMap'>    /**
</span>     * @cfg {Object} compareMap
     * Map for assigning the comparison values used in serialization.
     */
    compareMap : {
        before: 'lt',
        after:  'gt',
        on:     'eq'
    },
<span id='Ext-ux-grid-filter-DateFilter-cfg-dateFormat'>    /**
</span>     * @cfg {String} dateFormat
     * The date format to return when using getValue.
     * Defaults to 'm/d/Y'.
     */
    dateFormat : 'm/d/Y',

<span id='Ext-ux-grid-filter-DateFilter-cfg-maxDate'>    /**
</span>     * @cfg {Date} maxDate
     * Allowable date as passed to the Ext.DatePicker
     * Defaults to undefined.
     */
<span id='Ext-ux-grid-filter-DateFilter-cfg-minDate'>    /**
</span>     * @cfg {Date} minDate
     * Allowable date as passed to the Ext.DatePicker
     * Defaults to undefined.
     */
<span id='Ext-ux-grid-filter-DateFilter-cfg-menuItems'>    /**
</span>     * @cfg {Array} menuItems
     * The items to be shown in this menu
     * Defaults to:&lt;pre&gt;
     * menuItems : ['before', 'after', '-', 'on'],
     * &lt;/pre&gt;
     */
    menuItems : ['before', 'after', '-', 'on'],

<span id='Ext-ux-grid-filter-DateFilter-cfg-menuItemCfgs'>    /**
</span>     * @cfg {Object} menuItemCfgs
     * Default configuration options for each menu item
     */
    menuItemCfgs : {
        selectOnFocus: true,
        width: 125
    },

<span id='Ext-ux-grid-filter-DateFilter-cfg-onText'>    /**
</span>     * @cfg {String} onText
     * Defaults to 'On'.
     */
    onText : 'On',

<span id='Ext-ux-grid-filter-DateFilter-cfg-pickerOpts'>    /**
</span>     * @cfg {Object} pickerOpts
     * Configuration options for the date picker associated with each field.
     */
    pickerOpts : {},

<span id='Ext-ux-grid-filter-DateFilter-method-init'>    /**
</span>     * @private
     * Template method that is to initialize the filter and install required menu items.
     */
    init : function (config) {
        var me = this,
            pickerCfg, i, len, item, cfg;

        pickerCfg = Ext.apply(me.pickerOpts, {
            xtype: 'datepicker',
            minDate: me.minDate,
            maxDate: me.maxDate,
            format:  me.dateFormat,
            listeners: {
                scope: me,
                select: me.onMenuSelect
            }
        });

        me.fields = {};
        for (i = 0, len = me.menuItems.length; i &lt; len; i++) {
            item = me.menuItems[i];
            if (item !== '-') {
                cfg = {
                    itemId: 'range-' + item,
                    text: me[item + 'Text'],
                    menu: Ext.create('Ext.menu.Menu', {
                        items: [
                            Ext.apply(pickerCfg, {
                                itemId: item,
                                listeners: {
                                    select: me.onPickerSelect,
                                    scope: me
                                }
                            }),
                        ]
                    }),
                    listeners: {
                        scope: me,
                        checkchange: me.onCheckChange
                    }
                };
                item = me.fields[item] = Ext.create('Ext.menu.CheckItem', cfg);
            }
            //me.add(item);
            me.menu.add(item);
        }
        me.values = {};
    },

    onCheckChange : function (item, checked) {
        var me = this,
            picker = item.menu.items.first(),
            itemId = picker.itemId,
            values = me.values;

        if (checked) {
            values[itemId] = picker.getValue();
        } else {
            delete values[itemId]
        }
        me.setActive(me.isActivatable());
        me.fireEvent('update', me);
    },

<span id='Ext-ux-grid-filter-DateFilter-method-onInputKeyUp'>    /**
</span>     * @private
     * Handler method called when there is a keyup event on an input
     * item of this menu.
     */
    onInputKeyUp : function (field, e) {
        var k = e.getKey();
        if (k == e.RETURN &amp;&amp; field.isValid()) {
            e.stopEvent();
            this.menu.hide();
        }
    },

<span id='Ext-ux-grid-filter-DateFilter-method-onMenuSelect'>    /**
</span>     * Handler for when the DatePicker for a field fires the 'select' event
     * @param {Ext.picker.Date} picker
     * @param {Object} date
     */
    onMenuSelect : function (picker, date) {
        var fields = this.fields,
            field = this.fields[picker.itemId];

        field.setChecked(true);

        if (field == fields.on) {
            fields.before.setChecked(false, true);
            fields.after.setChecked(false, true);
        } else {
            fields.on.setChecked(false, true);
            if (field == fields.after &amp;&amp; this.getFieldValue('before') &lt; date) {
                fields.before.setChecked(false, true);
            } else if (field == fields.before &amp;&amp; this.getFieldValue('after') &gt; date) {
                fields.after.setChecked(false, true);
            }
        }
        this.fireEvent('update', this);

        picker.up('menu').hide();
    },

<span id='Ext-ux-grid-filter-DateFilter-method-getValue'>    /**
</span>     * @private
     * Template method that is to get and return the value of the filter.
     * @return {String} The value of this filter
     */
    getValue : function () {
        var key, result = {};
        for (key in this.fields) {
            if (this.fields[key].checked) {
                result[key] = this.getFieldValue(key);
            }
        }
        return result;
    },

<span id='Ext-ux-grid-filter-DateFilter-method-setValue'>    /**
</span>     * @private
     * Template method that is to set the value of the filter.
     * @param {Object} value The value to set the filter
     * @param {Boolean} preserve true to preserve the checked status
     * of the other fields.  Defaults to false, unchecking the
     * other fields
     */
    setValue : function (value, preserve) {
        var key;
        for (key in this.fields) {
            if(value[key]){
                this.getPicker(key).setValue(value[key]);
                this.fields[key].setChecked(true);
            } else if (!preserve) {
                this.fields[key].setChecked(false);
            }
        }
        this.fireEvent('update', this);
    },

<span id='Ext-ux-grid-filter-DateFilter-method-isActivatable'>    /**
</span>     * @private
     * Template method that is to return &lt;tt&gt;true&lt;/tt&gt; if the filter
     * has enough configuration information to be activated.
     * @return {Boolean}
     */
    isActivatable : function () {
        var key;
        for (key in this.fields) {
            if (this.fields[key].checked) {
                return true;
            }
        }
        return false;
    },

<span id='Ext-ux-grid-filter-DateFilter-method-getSerialArgs'>    /**
</span>     * @private
     * Template method that is to get and return serialized filter data for
     * transmission to the server.
     * @return {Object/Array} An object or collection of objects containing
     * key value pairs representing the current configuration of the filter.
     */
    getSerialArgs : function () {
        var args = [];
        for (var key in this.fields) {
            if(this.fields[key].checked){
                args.push({
                    type: 'date',
                    comparison: this.compareMap[key],
                    value: Ext.Date.format(this.getFieldValue(key), this.dateFormat)
                });
            }
        }
        return args;
    },

<span id='Ext-ux-grid-filter-DateFilter-method-getFieldValue'>    /**
</span>     * Get and return the date menu picker value
     * @param {String} item The field identifier ('before', 'after', 'on')
     * @return {Date} Gets the current selected value of the date field
     */
    getFieldValue : function(item){
        return this.values[item];
    },

<span id='Ext-ux-grid-filter-DateFilter-method-getPicker'>    /**
</span>     * Gets the menu picker associated with the passed field
     * @param {String} item The field identifier ('before', 'after', 'on')
     * @return {Object} The menu picker
     */
    getPicker : function(item){
        return this.fields[item].menu.items.first();
    },

<span id='Ext-ux-grid-filter-DateFilter-method-validateRecord'>    /**
</span>     * Template method that is to validate the provided Ext.data.Record
     * against the filters configuration.
     * @param {Ext.data.Record} record The record to validate
     * @return {Boolean} true if the record is valid within the bounds
     * of the filter, false otherwise.
     */
    validateRecord : function (record) {
        var key,
            pickerValue,
            val = record.get(this.dataIndex),
            clearTime = Ext.Date.clearTime;

        if(!Ext.isDate(val)){
            return false;
        }
        val = clearTime(val, true).getTime();

        for (key in this.fields) {
            if (this.fields[key].checked) {
                pickerValue = clearTime(this.getFieldValue(key), true).getTime();
                if (key == 'before' &amp;&amp; pickerValue &lt;= val) {
                    return false;
                }
                if (key == 'after' &amp;&amp; pickerValue &gt;= val) {
                    return false;
                }
                if (key == 'on' &amp;&amp; pickerValue != val) {
                    return false;
                }
            }
        }
        return true;
    },

    onPickerSelect: function(picker, date) {
        // keep track of the picker value separately because the menu gets destroyed
        // when columns order changes.  We return this value from getValue() instead
        // of picker.getValue()
        this.values[picker.itemId] = date;
        this.fireEvent('update', this);
    }
});
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