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<pre class="prettyprint lang-js"><span id='Ext-form-TextField-method-constructor'><span id='Ext-form-TextField'>/**
</span></span> * @class Ext.form.TextField
* @extends Ext.form.Field
* <p>Basic text field. Can be used as a direct replacement for traditional text inputs,
* or as the base class for more sophisticated input controls (like {@link Ext.form.TextArea}
* and {@link Ext.form.ComboBox}).</p>
* <p><b><u>Validation</u></b></p>
* <p>The validation procedure is described in the documentation for {@link #validateValue}.</p>
* <p><b><u>Alter Validation Behavior</u></b></p>
* <p>Validation behavior for each field can be configured:</p>
* <div class="mdetail-params"><ul>
* <li><code>{@link Ext.form.TextField#invalidText invalidText}</code> : the default validation message to
* show if any validation step above does not provide a message when invalid</li>
* <li><code>{@link Ext.form.TextField#maskRe maskRe}</code> : filter out keystrokes before any validation occurs</li>
* <li><code>{@link Ext.form.TextField#stripCharsRe stripCharsRe}</code> : filter characters after being typed in,
* but before being validated</li>
* <li><code>{@link Ext.form.Field#invalidClass invalidClass}</code> : alternate style when invalid</li>
* <li><code>{@link Ext.form.Field#validateOnBlur validateOnBlur}</code>,
* <code>{@link Ext.form.Field#validationDelay validationDelay}</code>, and
* <code>{@link Ext.form.Field#validationEvent validationEvent}</code> : modify how/when validation is triggered</li>
* </ul></div>
*
* @constructor Creates a new TextField
* @param {Object} config Configuration options
*
* @xtype textfield
*/
Ext.form.TextField = Ext.extend(Ext.form.Field, {
<span id='Ext-form-TextField-cfg-vtypeText'> /**
</span> * @cfg {String} vtypeText A custom error message to display in place of the default message provided
* for the <b><code>{@link #vtype}</code></b> currently set for this field (defaults to <tt>''</tt>). <b>Note</b>:
* only applies if <b><code>{@link #vtype}</code></b> is set, else ignored.
*/
<span id='Ext-form-TextField-cfg-stripCharsRe'> /**
</span> * @cfg {RegExp} stripCharsRe A JavaScript RegExp object used to strip unwanted content from the value
* before validation (defaults to <tt>null</tt>).
*/
<span id='Ext-form-TextField-cfg-grow'> /**
</span> * @cfg {Boolean} grow <tt>true</tt> if this field should automatically grow and shrink to its content
* (defaults to <tt>false</tt>)
*/
grow : false,
<span id='Ext-form-TextField-cfg-growMin'> /**
</span> * @cfg {Number} growMin The minimum width to allow when <code><b>{@link #grow}</b> = true</code> (defaults
* to <tt>30</tt>)
*/
growMin : 30,
<span id='Ext-form-TextField-cfg-growMax'> /**
</span> * @cfg {Number} growMax The maximum width to allow when <code><b>{@link #grow}</b> = true</code> (defaults
* to <tt>800</tt>)
*/
growMax : 800,
<span id='Ext-form-TextField-cfg-vtype'> /**
</span> * @cfg {String} vtype A validation type name as defined in {@link Ext.form.VTypes} (defaults to <tt>null</tt>)
*/
vtype : null,
<span id='Ext-form-TextField-cfg-maskRe'> /**
</span> * @cfg {RegExp} maskRe An input mask regular expression that will be used to filter keystrokes that do
* not match (defaults to <tt>null</tt>). The maskRe will not operate on any paste events.
*/
maskRe : null,
<span id='Ext-form-TextField-cfg-disableKeyFilter'> /**
</span> * @cfg {Boolean} disableKeyFilter Specify <tt>true</tt> to disable input keystroke filtering (defaults
* to <tt>false</tt>)
*/
disableKeyFilter : false,
<span id='Ext-form-TextField-cfg-allowBlank'> /**
</span> * @cfg {Boolean} allowBlank Specify <tt>false</tt> to validate that the value's length is > 0 (defaults to
* <tt>true</tt>)
*/
allowBlank : true,
<span id='Ext-form-TextField-cfg-minLength'> /**
</span> * @cfg {Number} minLength Minimum input field length required (defaults to <tt>0</tt>)
*/
minLength : 0,
<span id='Ext-form-TextField-cfg-maxLength'> /**
</span> * @cfg {Number} maxLength Maximum input field length allowed by validation (defaults to Number.MAX_VALUE).
* This behavior is intended to provide instant feedback to the user by improving usability to allow pasting
* and editing or overtyping and back tracking. To restrict the maximum number of characters that can be
* entered into the field use <tt><b>{@link Ext.form.Field#autoCreate autoCreate}</b></tt> to add
* any attributes you want to a field, for example:<pre><code>
var myField = new Ext.form.NumberField({
id: 'mobile',
anchor:'90%',
fieldLabel: 'Mobile',
maxLength: 16, // for validation
autoCreate: {tag: 'input', type: 'text', size: '20', autocomplete: 'off', maxlength: '10'}
});
</code></pre>
*/
maxLength : Number.MAX_VALUE,
<span id='Ext-form-TextField-cfg-minLengthText'> /**
</span> * @cfg {String} minLengthText Error text to display if the <b><tt>{@link #minLength minimum length}</tt></b>
* validation fails (defaults to <tt>'The minimum length for this field is {minLength}'</tt>)
*/
minLengthText : 'The minimum length for this field is {0}',
<span id='Ext-form-TextField-cfg-maxLengthText'> /**
</span> * @cfg {String} maxLengthText Error text to display if the <b><tt>{@link #maxLength maximum length}</tt></b>
* validation fails (defaults to <tt>'The maximum length for this field is {maxLength}'</tt>)
*/
maxLengthText : 'The maximum length for this field is {0}',
<span id='Ext-form-TextField-cfg-selectOnFocus'> /**
</span> * @cfg {Boolean} selectOnFocus <tt>true</tt> to automatically select any existing field text when the field
* receives input focus (defaults to <tt>false</tt>)
*/
selectOnFocus : false,
<span id='Ext-form-TextField-cfg-blankText'> /**
</span> * @cfg {String} blankText The error text to display if the <b><tt>{@link #allowBlank}</tt></b> validation
* fails (defaults to <tt>'This field is required'</tt>)
*/
blankText : 'This field is required',
<span id='Ext-form-TextField-cfg-validator'> /**
</span> * @cfg {Function} validator
* <p>A custom validation function to be called during field validation ({@link #validateValue})
* (defaults to <tt>null</tt>). If specified, this function will be called first, allowing the
* developer to override the default validation process.</p>
* <br><p>This function will be passed the following Parameters:</p>
* <div class="mdetail-params"><ul>
* <li><code>value</code>: <i>Mixed</i>
* <div class="sub-desc">The current field value</div></li>
* </ul></div>
* <br><p>This function is to Return:</p>
* <div class="mdetail-params"><ul>
* <li><code>true</code>: <i>Boolean</i>
* <div class="sub-desc"><code>true</code> if the value is valid</div></li>
* <li><code>msg</code>: <i>String</i>
* <div class="sub-desc">An error message if the value is invalid</div></li>
* </ul></div>
*/
validator : null,
<span id='Ext-form-TextField-cfg-regex'> /**
</span> * @cfg {RegExp} regex A JavaScript RegExp object to be tested against the field value during validation
* (defaults to <tt>null</tt>). If the test fails, the field will be marked invalid using
* <b><tt>{@link #regexText}</tt></b>.
*/
regex : null,
<span id='Ext-form-TextField-cfg-regexText'> /**
</span> * @cfg {String} regexText The error text to display if <b><tt>{@link #regex}</tt></b> is used and the
* test fails during validation (defaults to <tt>''</tt>)
*/
regexText : '',
<span id='Ext-form-TextField-cfg-emptyText'> /**
</span> * @cfg {String} emptyText The default text to place into an empty field (defaults to <tt>null</tt>).
* <b>Note</b>: that this value will be submitted to the server if this field is enabled and configured
* with a {@link #name}.
*/
emptyText : null,
<span id='Ext-form-TextField-cfg-emptyClass'> /**
</span> * @cfg {String} emptyClass The CSS class to apply to an empty field to style the <b><tt>{@link #emptyText}</tt></b>
* (defaults to <tt>'x-form-empty-field'</tt>). This class is automatically added and removed as needed
* depending on the current field value.
*/
emptyClass : 'x-form-empty-field',
<span id='Ext-form-TextField-cfg-enableKeyEvents'> /**
</span> * @cfg {Boolean} enableKeyEvents <tt>true</tt> to enable the proxying of key events for the HTML input
* field (defaults to <tt>false</tt>)
*/
initComponent : function(){
Ext.form.TextField.superclass.initComponent.call(this);
this.addEvents(
<span id='Ext-form-TextField-event-autosize'> /**
</span> * @event autosize
* Fires when the <tt><b>{@link #autoSize}</b></tt> function is triggered. The field may or
* may not have actually changed size according to the default logic, but this event provides
* a hook for the developer to apply additional logic at runtime to resize the field if needed.
* @param {Ext.form.Field} this This text field
* @param {Number} width The new field width
*/
'autosize',
<span id='Ext-form-TextField-event-keydown'> /**
</span> * @event keydown
* Keydown input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt>
* is set to true.
* @param {Ext.form.TextField} this This text field
* @param {Ext.EventObject} e
*/
'keydown',
<span id='Ext-form-TextField-event-keyup'> /**
</span> * @event keyup
* Keyup input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt>
* is set to true.
* @param {Ext.form.TextField} this This text field
* @param {Ext.EventObject} e
*/
'keyup',
<span id='Ext-form-TextField-event-keypress'> /**
</span> * @event keypress
* Keypress input field event. This event only fires if <tt><b>{@link #enableKeyEvents}</b></tt>
* is set to true.
* @param {Ext.form.TextField} this This text field
* @param {Ext.EventObject} e
*/
'keypress'
);
},
<span id='Ext-form-TextField-method-initEvents'> // private
</span> initEvents : function(){
Ext.form.TextField.superclass.initEvents.call(this);
if(this.validationEvent == 'keyup'){
this.validationTask = new Ext.util.DelayedTask(this.validate, this);
this.mon(this.el, 'keyup', this.filterValidation, this);
}
else if(this.validationEvent !== false && this.validationEvent != 'blur'){
this.mon(this.el, this.validationEvent, this.validate, this, {buffer: this.validationDelay});
}
if(this.selectOnFocus || this.emptyText){
this.mon(this.el, 'mousedown', this.onMouseDown, this);
if(this.emptyText){
this.applyEmptyText();
}
}
if(this.maskRe || (this.vtype && this.disableKeyFilter !== true && (this.maskRe = Ext.form.VTypes[this.vtype+'Mask']))){
this.mon(this.el, 'keypress', this.filterKeys, this);
}
if(this.grow){
this.mon(this.el, 'keyup', this.onKeyUpBuffered, this, {buffer: 50});
this.mon(this.el, 'click', this.autoSize, this);
}
if(this.enableKeyEvents){
this.mon(this.el, {
scope: this,
keyup: this.onKeyUp,
keydown: this.onKeyDown,
keypress: this.onKeyPress
});
}
},
<span id='Ext-form-TextField-method-onMouseDown'> onMouseDown: function(e){
</span> if(!this.hasFocus){
this.mon(this.el, 'mouseup', Ext.emptyFn, this, { single: true, preventDefault: true });
}
},
<span id='Ext-form-TextField-method-processValue'> processValue : function(value){
</span> if(this.stripCharsRe){
var newValue = value.replace(this.stripCharsRe, '');
if(newValue !== value){
this.setRawValue(newValue);
return newValue;
}
}
return value;
},
<span id='Ext-form-TextField-method-filterValidation'> filterValidation : function(e){
</span> if(!e.isNavKeyPress()){
this.validationTask.delay(this.validationDelay);
}
},
<span id='Ext-form-TextField-method-onDisable'> //private
</span> onDisable: function(){
Ext.form.TextField.superclass.onDisable.call(this);
if(Ext.isIE){
this.el.dom.unselectable = 'on';
}
},
<span id='Ext-form-TextField-method-onEnable'> //private
</span> onEnable: function(){
Ext.form.TextField.superclass.onEnable.call(this);
if(Ext.isIE){
this.el.dom.unselectable = '';
}
},
<span id='Ext-form-TextField-method-onKeyUpBuffered'> // private
</span> onKeyUpBuffered : function(e){
if(this.doAutoSize(e)){
this.autoSize();
}
},
<span id='Ext-form-TextField-method-doAutoSize'> // private
</span> doAutoSize : function(e){
return !e.isNavKeyPress();
},
<span id='Ext-form-TextField-method-onKeyUp'> // private
</span> onKeyUp : function(e){
this.fireEvent('keyup', this, e);
},
<span id='Ext-form-TextField-method-onKeyDown'> // private
</span> onKeyDown : function(e){
this.fireEvent('keydown', this, e);
},
<span id='Ext-form-TextField-method-onKeyPress'> // private
</span> onKeyPress : function(e){
this.fireEvent('keypress', this, e);
},
<span id='Ext-form-TextField-method-reset'> /**
</span> * Resets the current field value to the originally-loaded value and clears any validation messages.
* Also adds <tt><b>{@link #emptyText}</b></tt> and <tt><b>{@link #emptyClass}</b></tt> if the
* original value was blank.
*/
reset : function(){
Ext.form.TextField.superclass.reset.call(this);
this.applyEmptyText();
},
<span id='Ext-form-TextField-method-applyEmptyText'> applyEmptyText : function(){
</span> if(this.rendered && this.emptyText && this.getRawValue().length < 1 && !this.hasFocus){
this.setRawValue(this.emptyText);
this.el.addClass(this.emptyClass);
}
},
<span id='Ext-form-TextField-method-preFocus'> // private
</span> preFocus : function(){
var el = this.el,
isEmpty;
if(this.emptyText){
if(el.dom.value == this.emptyText){
this.setRawValue('');
isEmpty = true;
}
el.removeClass(this.emptyClass);
}
if(this.selectOnFocus || isEmpty){
el.dom.select();
}
},
<span id='Ext-form-TextField-method-postBlur'> // private
</span> postBlur : function(){
this.applyEmptyText();
},
<span id='Ext-form-TextField-method-filterKeys'> // private
</span> filterKeys : function(e){
if(e.ctrlKey){
return;
}
var k = e.getKey();
if(Ext.isGecko && (e.isNavKeyPress() || k == e.BACKSPACE || (k == e.DELETE && e.button == -1))){
return;
}
var cc = String.fromCharCode(e.getCharCode());
if(!Ext.isGecko && e.isSpecialKey() && !cc){
return;
}
if(!this.maskRe.test(cc)){
e.stopEvent();
}
},
<span id='Ext-form-TextField-method-setValue'> setValue : function(v){
</span> if(this.emptyText && this.el && !Ext.isEmpty(v)){
this.el.removeClass(this.emptyClass);
}
Ext.form.TextField.superclass.setValue.apply(this, arguments);
this.applyEmptyText();
this.autoSize();
return this;
},
<span id='Ext-form-TextField-method-getErrors'> /**
</span> * <p>Validates a value according to the field's validation rules and returns an array of errors
* for any failing validations. Validation rules are processed in the following order:</p>
* <div class="mdetail-params"><ul>
*
* <li><b>1. Field specific validator</b>
* <div class="sub-desc">
* <p>A validator offers a way to customize and reuse a validation specification.
* If a field is configured with a <code>{@link #validator}</code>
* function, it will be passed the current field value. The <code>{@link #validator}</code>
* function is expected to return either:
* <div class="mdetail-params"><ul>
* <li>Boolean <tt>true</tt> if the value is valid (validation continues).</li>
* <li>a String to represent the invalid message if invalid (validation halts).</li>
* </ul></div>
* </div></li>
*
* <li><b>2. Basic Validation</b>
* <div class="sub-desc">
* <p>If the <code>{@link #validator}</code> has not halted validation,
* basic validation proceeds as follows:</p>
*
* <div class="mdetail-params"><ul>
*
* <li><code>{@link #allowBlank}</code> : (Invalid message =
* <code>{@link #emptyText}</code>)<div class="sub-desc">
* Depending on the configuration of <code>{@link #allowBlank}</code>, a
* blank field will cause validation to halt at this step and return
* Boolean true or false accordingly.
* </div></li>
*
* <li><code>{@link #minLength}</code> : (Invalid message =
* <code>{@link #minLengthText}</code>)<div class="sub-desc">
* If the passed value does not satisfy the <code>{@link #minLength}</code>
* specified, validation halts.
* </div></li>
*
* <li><code>{@link #maxLength}</code> : (Invalid message =
* <code>{@link #maxLengthText}</code>)<div class="sub-desc">
* If the passed value does not satisfy the <code>{@link #maxLength}</code>
* specified, validation halts.
* </div></li>
*
* </ul></div>
* </div></li>
*
* <li><b>3. Preconfigured Validation Types (VTypes)</b>
* <div class="sub-desc">
* <p>If none of the prior validation steps halts validation, a field
* configured with a <code>{@link #vtype}</code> will utilize the
* corresponding {@link Ext.form.VTypes VTypes} validation function.
* If invalid, either the field's <code>{@link #vtypeText}</code> or
* the VTypes vtype Text property will be used for the invalid message.
* Keystrokes on the field will be filtered according to the VTypes
* vtype Mask property.</p>
* </div></li>
*
* <li><b>4. Field specific regex test</b>
* <div class="sub-desc">
* <p>If none of the prior validation steps halts validation, a field's
* configured <code>{@link #regex}</code> test will be processed.
* The invalid message for this test is configured with
* <code>{@link #regexText}</code>.</p>
* </div></li>
*
* @param {Mixed} value The value to validate. The processed raw value will be used if nothing is passed
* @return {Array} Array of any validation errors
*/
getErrors: function(value) {
var errors = Ext.form.TextField.superclass.getErrors.apply(this, arguments);
value = Ext.isDefined(value) ? value : this.processValue(this.getRawValue());
if (Ext.isFunction(this.validator)) {
var msg = this.validator(value);
if (msg !== true) {
errors.push(msg);
}
}
if (value.length < 1 || value === this.emptyText) {
if (this.allowBlank) {
//if value is blank and allowBlank is true, there cannot be any additional errors
return errors;
} else {
errors.push(this.blankText);
}
}
if (!this.allowBlank && (value.length < 1 || value === this.emptyText)) { // if it's blank
errors.push(this.blankText);
}
if (value.length < this.minLength) {
errors.push(String.format(this.minLengthText, this.minLength));
}
if (value.length > this.maxLength) {
errors.push(String.format(this.maxLengthText, this.maxLength));
}
if (this.vtype) {
var vt = Ext.form.VTypes;
if(!vt[this.vtype](value, this)){
errors.push(this.vtypeText || vt[this.vtype +'Text']);
}
}
if (this.regex && !this.regex.test(value)) {
errors.push(this.regexText);
}
return errors;
},
<span id='Ext-form-TextField-method-selectText'> /**
</span> * Selects text in this field
* @param {Number} start (optional) The index where the selection should start (defaults to 0)
* @param {Number} end (optional) The index where the selection should end (defaults to the text length)
*/
selectText : function(start, end){
var v = this.getRawValue();
var doFocus = false;
if(v.length > 0){
start = start === undefined ? 0 : start;
end = end === undefined ? v.length : end;
var d = this.el.dom;
if(d.setSelectionRange){
d.setSelectionRange(start, end);
}else if(d.createTextRange){
var range = d.createTextRange();
range.moveStart('character', start);
range.moveEnd('character', end-v.length);
range.select();
}
doFocus = Ext.isGecko || Ext.isOpera;
}else{
doFocus = true;
}
if(doFocus){
this.focus();
}
},
<span id='Ext-form-TextField-method-autoSize'> /**
</span> * Automatically grows the field to accomodate the width of the text up to the maximum field width allowed.
* This only takes effect if <tt><b>{@link #grow}</b> = true</tt>, and fires the {@link #autosize} event.
*/
autoSize : function(){
if(!this.grow || !this.rendered){
return;
}
if(!this.metrics){
this.metrics = Ext.util.TextMetrics.createInstance(this.el);
}
var el = this.el;
var v = el.dom.value;
var d = document.createElement('div');
d.appendChild(document.createTextNode(v));
v = d.innerHTML;
Ext.removeNode(d);
d = null;
v += '&#160;';
var w = Math.min(this.growMax, Math.max(this.metrics.getWidth(v) + /* add extra padding */ 10, this.growMin));
this.el.setWidth(w);
this.fireEvent('autosize', this, w);
},
<span id='Ext-form-TextField-method-onDestroy'> onDestroy: function(){
</span> if(this.validationTask){
this.validationTask.cancel();
this.validationTask = null;
}
Ext.form.TextField.superclass.onDestroy.call(this);
}
});
Ext.reg('textfield', Ext.form.TextField);
</pre>
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