wangtao
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fireInternet


			
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  <pre class="prettyprint lang-js"><span id='Ext-form-field-Base'>/**
</span> * @docauthor Jason Johnston &lt;jason@sencha.com&gt;
 *
 * Base class for form fields that provides default event handling, rendering, and other common functionality
 * needed by all form field types. Utilizes the {@link Ext.form.field.Field} mixin for value handling and validation,
 * and the {@link Ext.form.Labelable} mixin to provide label and error message display.
 *
 * In most cases you will want to use a subclass, such as {@link Ext.form.field.Text} or {@link Ext.form.field.Checkbox},
 * rather than creating instances of this class directly. However if you are implementing a custom form field,
 * using this as the parent class is recommended.
 *
 * # Values and Conversions
 *
 * Because Base implements the Field mixin, it has a main value that can be initialized with the
 * {@link #value} config and manipulated via the {@link #getValue} and {@link #setValue} methods. This main
 * value can be one of many data types appropriate to the current field, for instance a {@link Ext.form.field.Date Date}
 * field would use a JavaScript Date object as its value type. However, because the field is rendered as a HTML
 * input, this value data type can not always be directly used in the rendered field.
 *
 * Therefore Base introduces the concept of a &quot;raw value&quot;. This is the value of the rendered HTML input field,
 * and is normally a String. The {@link #getRawValue} and {@link #setRawValue} methods can be used to directly
 * work with the raw value, though it is recommended to use getValue and setValue in most cases.
 *
 * Conversion back and forth between the main value and the raw value is handled by the {@link #valueToRaw} and
 * {@link #rawToValue} methods. If you are implementing a subclass that uses a non-String value data type, you
 * should override these methods to handle the conversion.
 *
 * # Rendering
 *
 * The content of the field body is defined by the {@link #fieldSubTpl} XTemplate, with its argument data
 * created by the {@link #getSubTplData} method. Override this template and/or method to create custom
 * field renderings.
 *
 * # Example usage:
 *
 *     @example
 *     // A simple subclass of Base that creates a HTML5 search field. Redirects to the
 *     // searchUrl when the Enter key is pressed.222
 *     Ext.define('Ext.form.SearchField', {
 *         extend: 'Ext.form.field.Base',
 *         alias: 'widget.searchfield',
 *     
 *         inputType: 'search',
 *     
 *         // Config defining the search URL
 *         searchUrl: 'http://www.google.com/search?q={0}',
 *     
 *         // Add specialkey listener
 *         initComponent: function() {
 *             this.callParent();
 *             this.on('specialkey', this.checkEnterKey, this);
 *         },
 *     
 *         // Handle enter key presses, execute the search if the field has a value
 *         checkEnterKey: function(field, e) {
 *             var value = this.getValue();
 *             if (e.getKey() === e.ENTER &amp;&amp; !Ext.isEmpty(value)) {
 *                 location.href = Ext.String.format(this.searchUrl, value);
 *             }
 *         }
 *     });
 *     
 *     Ext.create('Ext.form.Panel', {
 *         title: 'Base Example',
 *         bodyPadding: 5,
 *         width: 250,
 *     
 *         // Fields will be arranged vertically, stretched to full width
 *         layout: 'anchor',
 *         defaults: {
 *             anchor: '100%'
 *         },
 *         items: [{
 *             xtype: 'searchfield',
 *             fieldLabel: 'Search',
 *             name: 'query'
 *         }],
 *         renderTo: Ext.getBody()
 *     });
 */
Ext.define('Ext.form.field.Base', {
    extend: 'Ext.Component',
    mixins: {
        labelable: 'Ext.form.Labelable',
        field: 'Ext.form.field.Field'
    },
    alias: 'widget.field',
    alternateClassName: ['Ext.form.Field', 'Ext.form.BaseField'],
    requires: ['Ext.util.DelayedTask', 'Ext.XTemplate', 'Ext.layout.component.field.Field'],

<span id='Ext-form-field-Base-cfg-fieldSubTpl'>    /**
</span>     * @cfg {Ext.XTemplate} fieldSubTpl
     * The content of the field body is defined by this config option.
     * @private
     */
    fieldSubTpl: [ // note: {id} here is really {inputId}, but {cmpId} is available
        '&lt;input id=&quot;{id}&quot; type=&quot;{type}&quot; {inputAttrTpl}',
            ' size=&quot;1&quot;', // allows inputs to fully respect CSS widths across all browsers
            '&lt;tpl if=&quot;name&quot;&gt; name=&quot;{name}&quot;&lt;/tpl&gt;',
            '&lt;tpl if=&quot;value&quot;&gt; value=&quot;{[Ext.util.Format.htmlEncode(values.value)]}&quot;&lt;/tpl&gt;',
            '&lt;tpl if=&quot;placeholder&quot;&gt; placeholder=&quot;{placeholder}&quot;&lt;/tpl&gt;',
            '{%if (values.maxLength !== undefined){%} maxlength=&quot;{maxLength}&quot;{%}%}',
            '&lt;tpl if=&quot;readOnly&quot;&gt; readonly=&quot;readonly&quot;&lt;/tpl&gt;',
            '&lt;tpl if=&quot;disabled&quot;&gt; disabled=&quot;disabled&quot;&lt;/tpl&gt;',
            '&lt;tpl if=&quot;tabIdx&quot;&gt; tabIndex=&quot;{tabIdx}&quot;&lt;/tpl&gt;',
            '&lt;tpl if=&quot;fieldStyle&quot;&gt; style=&quot;{fieldStyle}&quot;&lt;/tpl&gt;',
        ' class=&quot;{fieldCls} {typeCls} {editableCls}&quot; autocomplete=&quot;off&quot;/&gt;',
        {
            disableFormats: true
        }
    ],

    subTplInsertions: [
<span id='Ext-form-field-Base-cfg-inputAttrTpl'>        /**
</span>         * @cfg {String/Array/Ext.XTemplate} inputAttrTpl
         * An optional string or `XTemplate` configuration to insert in the field markup
         * inside the input element (as attributes). If an `XTemplate` is used, the component's
         * {@link #getSubTplData subTpl data} serves as the context.
         */
        'inputAttrTpl'
    ],

<span id='Ext-form-field-Base-cfg-name'>    /**
</span>     * @cfg {String} name
     * The name of the field. This is used as the parameter name when including the field value
     * in a {@link Ext.form.Basic#submit form submit()}. If no name is configured, it falls back to the {@link #inputId}.
     * To prevent the field from being included in the form submit, set {@link #submitValue} to false.
     */

<span id='Ext-form-field-Base-cfg-inputType'>    /**
</span>     * @cfg {String} inputType
     * The type attribute for input fields -- e.g. radio, text, password, file. The extended types
     * supported by HTML5 inputs (url, email, etc.) may also be used, though using them will cause older browsers to
     * fall back to 'text'.
     *
     * The type 'password' must be used to render that field type currently -- there is no separate Ext component for
     * that. You can use {@link Ext.form.field.File} which creates a custom-rendered file upload field, but if you want
     * a plain unstyled file input you can use a Base with inputType:'file'.
     */
    inputType: 'text',

<span id='Ext-form-field-Base-cfg-tabIndex'>    /**
</span>     * @cfg {Number} tabIndex
     * The tabIndex for this field. Note this only applies to fields that are rendered, not those which are built via
     * applyTo
     */

    //&lt;locale&gt;
<span id='Ext-form-field-Base-cfg-invalidText'>    /**
</span>     * @cfg {String} invalidText
     * The error text to use when marking a field invalid and no message is provided
     */
    invalidText : 'The value in this field is invalid',
    //&lt;/locale&gt;

<span id='Ext-form-field-Base-cfg-fieldCls'>    /**
</span>     * @cfg {String} [fieldCls='x-form-field']
     * The default CSS class for the field input
     */
    fieldCls : Ext.baseCSSPrefix + 'form-field',

<span id='Ext-form-field-Base-cfg-fieldStyle'>    /**
</span>     * @cfg {String} fieldStyle
     * Optional CSS style(s) to be applied to the {@link #inputEl field input element}. Should be a valid argument to
     * {@link Ext.Element#applyStyles}. Defaults to undefined. See also the {@link #setFieldStyle} method for changing
     * the style after initialization.
     */

<span id='Ext-form-field-Base-cfg-focusCls'>    /**
</span>     * @cfg {String} [focusCls='x-form-focus']
     * The CSS class to use when the field receives focus
     */
    focusCls : 'form-focus',

<span id='Ext-form-field-Base-cfg-dirtyCls'>    /**
</span>     * @cfg {String} dirtyCls
     * The CSS class to use when the field value {@link #isDirty is dirty}.
     */
    dirtyCls : Ext.baseCSSPrefix + 'form-dirty',

<span id='Ext-form-field-Base-cfg-checkChangeEvents'>    /**
</span>     * @cfg {String[]} checkChangeEvents
     * A list of event names that will be listened for on the field's {@link #inputEl input element}, which will cause
     * the field's value to be checked for changes. If a change is detected, the {@link #change change event} will be
     * fired, followed by validation if the {@link #validateOnChange} option is enabled.
     *
     * Defaults to ['change', 'propertychange'] in Internet Explorer, and ['change', 'input', 'textInput', 'keyup',
     * 'dragdrop'] in other browsers. This catches all the ways that field values can be changed in most supported
     * browsers; the only known exceptions at the time of writing are:
     *
     *   - Safari 3.2 and older: cut/paste in textareas via the context menu, and dragging text into textareas
     *   - Opera 10 and 11: dragging text into text fields and textareas, and cut via the context menu in text fields
     *     and textareas
     *   - Opera 9: Same as Opera 10 and 11, plus paste from context menu in text fields and textareas
     *
     * If you need to guarantee on-the-fly change notifications including these edge cases, you can call the
     * {@link #checkChange} method on a repeating interval, e.g. using {@link Ext.TaskManager}, or if the field is within
     * a {@link Ext.form.Panel}, you can use the FormPanel's {@link Ext.form.Panel#pollForChanges} configuration to set up
     * such a task automatically.
     */
    checkChangeEvents: Ext.isIE &amp;&amp; (!document.documentMode || document.documentMode &lt; 9) ?
                        ['change', 'propertychange'] :
                        ['change', 'input', 'textInput', 'keyup', 'dragdrop'],

<span id='Ext-form-field-Base-cfg-checkChangeBuffer'>    /**
</span>     * @cfg {Number} checkChangeBuffer
     * Defines a timeout in milliseconds for buffering {@link #checkChangeEvents} that fire in rapid succession.
     * Defaults to 50 milliseconds.
     */
    checkChangeBuffer: 50,

    componentLayout: 'field',

<span id='Ext-form-field-Base-cfg-readOnly'>    /**
</span>     * @cfg {Boolean} readOnly
     * true to mark the field as readOnly in HTML.
     *
     * **Note**: this only sets the element's readOnly DOM attribute. Setting `readOnly=true`, for example, will not
     * disable triggering a ComboBox or Date; it gives you the option of forcing the user to choose via the trigger
     * without typing in the text box. To hide the trigger use `{@link Ext.form.field.Trigger#hideTrigger hideTrigger}`.
     */
    readOnly : false,

<span id='Ext-form-field-Base-cfg-readOnlyCls'>    /**
</span>     * @cfg {String} readOnlyCls
     * The CSS class applied to the component's main element when it is {@link #readOnly}.
     */
    readOnlyCls: Ext.baseCSSPrefix + 'form-readonly',

<span id='Ext-form-field-Base-cfg-inputId'>    /**
</span>     * @cfg {String} inputId
     * The id that will be given to the generated input DOM element. Defaults to an automatically generated id. If you
     * configure this manually, you must make sure it is unique in the document.
     */

<span id='Ext-form-field-Base-cfg-validateOnBlur'>    /**
</span>     * @cfg {Boolean} validateOnBlur
     * Whether the field should validate when it loses focus. This will cause fields to be validated
     * as the user steps through the fields in the form regardless of whether they are making changes to those fields
     * along the way. See also {@link #validateOnChange}.
     */
    validateOnBlur: true,

    // private
    hasFocus : false,

    baseCls: Ext.baseCSSPrefix + 'field',

    maskOnDisable: false,

    // private
    initComponent : function() {
        var me = this;

        me.callParent();

        me.subTplData = me.subTplData || {};

        me.addEvents(
<span id='Ext-form-field-Base-event-specialkey'>            /**
</span>             * @event specialkey
             * Fires when any key related to navigation (arrows, tab, enter, esc, etc.) is pressed. To handle other keys
             * see {@link Ext.util.KeyMap}. You can check {@link Ext.EventObject#getKey} to determine which key was
             * pressed. For example:
             *
             *     var form = new Ext.form.Panel({
             *         ...
             *         items: [{
             *                 fieldLabel: 'Field 1',
             *                 name: 'field1',
             *                 allowBlank: false
             *             },{
             *                 fieldLabel: 'Field 2',
             *                 name: 'field2',
             *                 listeners: {
             *                     specialkey: function(field, e){
             *                         // e.HOME, e.END, e.PAGE_UP, e.PAGE_DOWN,
             *                         // e.TAB, e.ESC, arrow keys: e.LEFT, e.RIGHT, e.UP, e.DOWN
             *                         if (e.{@link Ext.EventObject#getKey getKey()} == e.ENTER) {
             *                             var form = field.up('form').getForm();
             *                             form.submit();
             *                         }
             *                     }
             *                 }
             *             }
             *         ],
             *         ...
             *     });
             *
             * @param {Ext.form.field.Base} this
             * @param {Ext.EventObject} e The event object
             */
            'specialkey',

<span id='Ext-form-field-Base-event-writeablechange'>            /**
</span>             * @event writeablechange
             * Fires when this field changes its read-only status.
             * @param {Ext.form.field.Base} this
             * @param {Boolean} Read only flag
             */
            'writeablechange'
        );

        // Init mixins
        me.initLabelable();
        me.initField();

        // Default name to inputId
        if (!me.name) {
            me.name = me.getInputId();
        }
    },
    
    beforeRender: function(){
        var me = this;
            
        me.callParent(arguments);
        me.beforeLabelableRender(arguments);
        if (me.readOnly) {
            me.addCls(me.readOnlyCls);
        }
    },

<span id='Ext-form-field-Base-method-getInputId'>    /**
</span>     * Returns the input id for this field. If none was specified via the {@link #inputId} config, then an id will be
     * automatically generated.
     */
    getInputId: function() {
        return this.inputId || (this.inputId = this.id + '-inputEl');
    },

<span id='Ext-form-field-Base-method-getSubTplData'>    /**
</span>     * Creates and returns the data object to be used when rendering the {@link #fieldSubTpl}.
     * @return {Object} The template data
     * @template
     */
    getSubTplData: function() {
        var me = this,
            type = me.inputType,
            inputId = me.getInputId(),
            data;
        
        data = Ext.apply({
            id         : inputId,
            cmpId      : me.id,
            name       : me.name || inputId,
            disabled   : me.disabled,
            readOnly   : me.readOnly,
            value      : me.getRawValue(),
            type       : type,
            fieldCls   : me.fieldCls,
            fieldStyle : me.getFieldStyle(),
            tabIdx     : me.tabIndex,
            typeCls    : Ext.baseCSSPrefix + 'form-' + (type === 'password' ? 'text' : type)
        }, me.subTplData);

        me.getInsertionRenderData(data, me.subTplInsertions);

        return data;
    },

    afterFirstLayout: function() {
        this.callParent();
        var el = this.inputEl;
        if (el) {
            el.selectable();
        }
    },

    applyRenderSelectors: function() {
        var me = this;

        me.callParent();

<span id='Ext-form-field-Base-property-inputEl'>        /**
</span>         * @property {Ext.Element} inputEl
         * The input Element for this Field. Only available after the field has been rendered.
         */
        me.inputEl = me.el.getById(me.getInputId());
    },

<span id='Ext-form-field-Base-method-getSubTplMarkup'>    /**
</span>     * Gets the markup to be inserted into the outer template's bodyEl. For fields this is the actual input element.
     */
    getSubTplMarkup: function() {
        return this.getTpl('fieldSubTpl').apply(this.getSubTplData());
    },

    initRenderTpl: function() {
        var me = this;
        if (!me.hasOwnProperty('renderTpl')) {
            me.renderTpl = me.getTpl('labelableRenderTpl');
        }
        return me.callParent();
    },

    initRenderData: function() {
        return Ext.applyIf(this.callParent(), this.getLabelableRenderData());
    },

<span id='Ext-form-field-Base-method-setFieldStyle'>    /**
</span>     * Set the {@link #fieldStyle CSS style} of the {@link #inputEl field input element}.
     * @param {String/Object/Function} style The style(s) to apply. Should be a valid argument to {@link
     * Ext.Element#applyStyles}.
     */
    setFieldStyle: function(style) {
        var me = this,
            inputEl = me.inputEl;
        if (inputEl) {
            inputEl.applyStyles(style);
        }
        me.fieldStyle = style;
    },

    getFieldStyle: function() {
        return 'width:100%;' + (Ext.isObject(this.fieldStyle) ? Ext.DomHelper.generateStyles(this.fieldStyle) : this.fieldStyle ||'');
    },

    // private
    onRender : function() {
        var me = this;
        me.callParent(arguments);
        me.onLabelableRender();
        me.renderActiveError();
    },

    getFocusEl: function() {
        return this.inputEl;
    },

    isFileUpload: function() {
        return this.inputType === 'file';
    },

    extractFileInput: function() {
        var me = this,
            fileInput = me.isFileUpload() ? me.inputEl.dom : null,
            clone;
        if (fileInput) {
            clone = fileInput.cloneNode(true);
            fileInput.parentNode.replaceChild(clone, fileInput);
            me.inputEl = Ext.get(clone);
        }
        return fileInput;
    },

    // private override to use getSubmitValue() as a convenience
    getSubmitData: function() {
        var me = this,
            data = null,
            val;
        if (!me.disabled &amp;&amp; me.submitValue &amp;&amp; !me.isFileUpload()) {
            val = me.getSubmitValue();
            if (val !== null) {
                data = {};
                data[me.getName()] = val;
            }
        }
        return data;
    },

<span id='Ext-form-field-Base-method-getSubmitValue'>    /**
</span>     * Returns the value that would be included in a standard form submit for this field. This will be combined with the
     * field's name to form a name=value pair in the {@link #getSubmitData submitted parameters}. If an empty string is
     * returned then just the name= will be submitted; if null is returned then nothing will be submitted.
     *
     * Note that the value returned will have been {@link #processRawValue processed} but may or may not have been
     * successfully {@link #validate validated}.
     *
     * @return {String} The value to be submitted, or null.
     */
    getSubmitValue: function() {
        return this.processRawValue(this.getRawValue());
    },

<span id='Ext-form-field-Base-method-getRawValue'>    /**
</span>     * Returns the raw value of the field, without performing any normalization, conversion, or validation. To get a
     * normalized and converted value see {@link #getValue}.
     * @return {String} value The raw String value of the field
     */
    getRawValue: function() {
        var me = this,
            v = (me.inputEl ? me.inputEl.getValue() : Ext.value(me.rawValue, ''));
        me.rawValue = v;
        return v;
    },

<span id='Ext-form-field-Base-method-setRawValue'>    /**
</span>     * Sets the field's raw value directly, bypassing {@link #valueToRaw value conversion}, change detection, and
     * validation. To set the value with these additional inspections see {@link #setValue}.
     * @param {Object} value The value to set
     * @return {Object} value The field value that is set
     */
    setRawValue: function(value) {
        var me = this;
        value = Ext.value(me.transformRawValue(value), '');
        me.rawValue = value;

        // Some Field subclasses may not render an inputEl
        if (me.inputEl) {
            me.inputEl.dom.value = value;
        }
        return value;
    },
    
<span id='Ext-form-field-Base-method-transformRawValue'>    /**
</span>     * Transform the raw value before it is set
     * @protected
     * @param {Object} value The value
     * @return {Object} The value to set
     */
    transformRawValue: function(value) {
        return value;
    },

<span id='Ext-form-field-Base-method-valueToRaw'>    /**
</span>     * Converts a mixed-type value to a raw representation suitable for displaying in the field. This allows controlling
     * how value objects passed to {@link #setValue} are shown to the user, including localization. For instance, for a
     * {@link Ext.form.field.Date}, this would control how a Date object passed to {@link #setValue} would be converted
     * to a String for display in the field.
     *
     * See {@link #rawToValue} for the opposite conversion.
     *
     * The base implementation simply does a standard toString conversion, and converts {@link Ext#isEmpty empty values}
     * to an empty string.
     *
     * @param {Object} value The mixed-type value to convert to the raw representation.
     * @return {Object} The converted raw value.
     */
    valueToRaw: function(value) {
        return '' + Ext.value(value, '');
    },

<span id='Ext-form-field-Base-method-rawToValue'>    /**
</span>     * Converts a raw input field value into a mixed-type value that is suitable for this particular field type. This
     * allows controlling the normalization and conversion of user-entered values into field-type-appropriate values,
     * e.g. a Date object for {@link Ext.form.field.Date}, and is invoked by {@link #getValue}.
     *
     * It is up to individual implementations to decide how to handle raw values that cannot be successfully converted
     * to the desired object type.
     *
     * See {@link #valueToRaw} for the opposite conversion.
     *
     * The base implementation does no conversion, returning the raw value untouched.
     *
     * @param {Object} rawValue
     * @return {Object} The converted value.
     */
    rawToValue: function(rawValue) {
        return rawValue;
    },

<span id='Ext-form-field-Base-method-processRawValue'>    /**
</span>     * Performs any necessary manipulation of a raw field value to prepare it for {@link #rawToValue conversion} and/or
     * {@link #validate validation}, for instance stripping out ignored characters. In the base implementation it does
     * nothing; individual subclasses may override this as needed.
     *
     * @param {Object} value The unprocessed string value
     * @return {Object} The processed string value
     */
    processRawValue: function(value) {
        return value;
    },

<span id='Ext-form-field-Base-method-getValue'>    /**
</span>     * Returns the current data value of the field. The type of value returned is particular to the type of the
     * particular field (e.g. a Date object for {@link Ext.form.field.Date}), as the result of calling {@link #rawToValue} on
     * the field's {@link #processRawValue processed} String value. To return the raw String value, see {@link #getRawValue}.
     * @return {Object} value The field value
     */
    getValue: function() {
        var me = this,
            val = me.rawToValue(me.processRawValue(me.getRawValue()));
        me.value = val;
        return val;
    },

<span id='Ext-form-field-Base-method-setValue'>    /**
</span>     * Sets a data value into the field and runs the change detection and validation. To set the value directly
     * without these inspections see {@link #setRawValue}.
     * @param {Object} value The value to set
     * @return {Ext.form.field.Field} this
     */
    setValue: function(value) {
        var me = this;
        me.setRawValue(me.valueToRaw(value));
        return me.mixins.field.setValue.call(me, value);
    },

    onBoxReady: function() {
        var me = this;
        me.callParent();
        
        if (me.setReadOnlyOnBoxReady) {
            me.setReadOnly(me.readOnly);
        }
            
    },

    //private
    onDisable: function() {
        var me = this,
            inputEl = me.inputEl;
            
        me.callParent();
        if (inputEl) {
            inputEl.dom.disabled = true;
            if (me.hasActiveError()) {
                // clear invalid state since the field is now disabled
                me.clearInvalid();
                me.needsValidateOnEnable = true;
            }
        }
    },

    //private
    onEnable: function() {
        var me = this,
            inputEl = me.inputEl;
            
        me.callParent();
        if (inputEl) {
            inputEl.dom.disabled = false;
            if (me.needsValidateOnEnable) {
                delete me.needsValidateOnEnable;
                // will trigger errors to be shown
                me.forceValidation = true;
                me.isValid();
                delete me.forceValidation;
            }
        }
    },

<span id='Ext-form-field-Base-method-setReadOnly'>    /**
</span>     * Sets the read only state of this field.
     * @param {Boolean} readOnly Whether the field should be read only.
     */
    setReadOnly: function(readOnly) {
        var me = this,
            inputEl = me.inputEl;
        readOnly = !!readOnly;
        me[readOnly ? 'addCls' : 'removeCls'](me.readOnlyCls);
        me.readOnly = readOnly;
        if (inputEl) {
            inputEl.dom.readOnly = readOnly;
        } else if (me.rendering) {
            me.setReadOnlyOnBoxReady = true;
        }
        me.fireEvent('writeablechange', me, readOnly);
    },

    // private
    fireKey: function(e){
        if(e.isSpecialKey()){
            this.fireEvent('specialkey', this, new Ext.EventObjectImpl(e));
        }
    },

    // private
    initEvents : function(){
        var me = this,
            inputEl = me.inputEl,
            onChangeTask,
            onChangeEvent,
            events = me.checkChangeEvents,
            e,
            eLen   = events.length,
            event;

        // standardise buffer across all browsers + OS-es for consistent event order.
        // (the 10ms buffer for Editors fixes a weird FF/Win editor issue when changing OS window focus)
        if (me.inEditor) {
            me.onBlur = Ext.Function.createBuffered(me.onBlur, 10);
        }
        if (inputEl) {
            me.mon(inputEl, Ext.EventManager.getKeyEvent(), me.fireKey,  me);

            // listen for immediate value changes
            onChangeTask = new Ext.util.DelayedTask(me.checkChange, me);
            me.onChangeEvent = onChangeEvent = function() {
                onChangeTask.delay(me.checkChangeBuffer);
            };

            for (e = 0; e &lt; eLen; e++) {
                event = events[e];

                if (event === 'propertychange') {
                    me.usesPropertychange = true;
                }

                me.mon(inputEl, event, onChangeEvent);
            }
        }
        me.callParent();
    },

    doComponentLayout: function() {
        var me = this,
            inputEl = me.inputEl,
            usesPropertychange = me.usesPropertychange,
            ename = 'propertychange',
            onChangeEvent = me.onChangeEvent;

        // In IE if propertychange is one of the checkChangeEvents, we need to remove
        // the listener prior to layout and re-add it after, to prevent it from firing
        // needlessly for attribute and style changes applied to the inputEl.
        if (usesPropertychange) {
            me.mun(inputEl, ename, onChangeEvent);
        }
        me.callParent(arguments);
        if (usesPropertychange) {
            me.mon(inputEl, ename, onChangeEvent);
        }
    },

<span id='Ext-form-field-Base-method-onDirtyChange'>    /**
</span>     * @private Called when the field's dirty state changes. Adds/removes the {@link #dirtyCls} on the main element.
     * @param {Boolean} isDirty
     */
    onDirtyChange: function(isDirty) {
        this[isDirty ? 'addCls' : 'removeCls'](this.dirtyCls);
    },


<span id='Ext-form-field-Base-method-isValid'>    /**
</span>     * Returns whether or not the field value is currently valid by {@link #getErrors validating} the
     * {@link #processRawValue processed raw value} of the field. **Note**: {@link #disabled} fields are
     * always treated as valid.
     *
     * @return {Boolean} True if the value is valid, else false
     */
    isValid : function() {
        var me = this,
            disabled = me.disabled,
            validate = me.forceValidation || !disabled;
            
        
        return validate ? me.validateValue(me.processRawValue(me.getRawValue())) : disabled;
    },


<span id='Ext-form-field-Base-method-validateValue'>    /**
</span>     * Uses {@link #getErrors} to build an array of validation errors. If any errors are found, they are passed to
     * {@link #markInvalid} and false is returned, otherwise true is returned.
     *
     * Previously, subclasses were invited to provide an implementation of this to process validations - from 3.2
     * onwards {@link #getErrors} should be overridden instead.
     *
     * @param {Object} value The value to validate
     * @return {Boolean} True if all validations passed, false if one or more failed
     */
    validateValue: function(value) {
        var me = this,
            errors = me.getErrors(value),
            isValid = Ext.isEmpty(errors);
        if (!me.preventMark) {
            if (isValid) {
                me.clearInvalid();
            } else {
                me.markInvalid(errors);
            }
        }

        return isValid;
    },

<span id='Ext-form-field-Base-method-markInvalid'>    /**
</span>     * Display one or more error messages associated with this field, using {@link #msgTarget} to determine how to
     * display the messages and applying {@link #invalidCls} to the field's UI element.
     *
     * **Note**: this method does not cause the Field's {@link #validate} or {@link #isValid} methods to return `false`
     * if the value does _pass_ validation. So simply marking a Field as invalid will not prevent submission of forms
     * submitted with the {@link Ext.form.action.Submit#clientValidation} option set.
     *
     * @param {String/String[]} errors The validation message(s) to display.
     */
    markInvalid : function(errors) {
        // Save the message and fire the 'invalid' event
        var me = this,
            oldMsg = me.getActiveError();
        me.setActiveErrors(Ext.Array.from(errors));
        if (oldMsg !== me.getActiveError()) {
            me.updateLayout();
        }
    },

<span id='Ext-form-field-Base-method-clearInvalid'>    /**
</span>     * Clear any invalid styles/messages for this field.
     *
     * **Note**: this method does not cause the Field's {@link #validate} or {@link #isValid} methods to return `true`
     * if the value does not _pass_ validation. So simply clearing a field's errors will not necessarily allow
     * submission of forms submitted with the {@link Ext.form.action.Submit#clientValidation} option set.
     */
    clearInvalid : function() {
        // Clear the message and fire the 'valid' event
        var me = this,
            hadError = me.hasActiveError();
        me.unsetActiveError();
        if (hadError) {
            me.updateLayout();
        }
    },

<span id='Ext-form-field-Base-method-renderActiveError'>    /**
</span>     * @private Overrides the method from the Ext.form.Labelable mixin to also add the invalidCls to the inputEl,
     * as that is required for proper styling in IE with nested fields (due to lack of child selector)
     */
    renderActiveError: function() {
        var me = this,
            hasError = me.hasActiveError();
        if (me.inputEl) {
            // Add/remove invalid class
            me.inputEl[hasError ? 'addCls' : 'removeCls'](me.invalidCls + '-field');
        }
        me.mixins.labelable.renderActiveError.call(me);
    },


    getActionEl: function() {
        return this.inputEl || this.el;
    }

});
</pre>
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