/**
* @class Ext.form.Field
* @extends Ext.BoxComponent
* Base class for form fields that provides default event handling, sizing, value handling and other functionality.
* @constructor
* Creates a new Field
* @param {Object} config Configuration options
* @xtype field
*/
Ext.form.Field = Ext.extend(Ext.BoxComponent, {
/**
* @cfg {String} inputType The type attribute for input fields -- e.g. radio, text, password, file (defaults
* to "text"). The types "file" and "password" must be used to render those field types currently -- there are
* no separate Ext components for those. Note that if you use inputType:'file', {@link #emptyText}
* is not supported and should be avoided.
*/
/**
* @cfg {Number} tabIndex The tabIndex for this field. Note this only applies to fields that are rendered,
* not those which are built via applyTo (defaults to undefined).
*/
/**
* @cfg {Mixed} value A value to initialize this field with (defaults to undefined).
*/
/**
* @cfg {String} name The field's HTML name attribute (defaults to "").
* Note: this property must be set if this field is to be automatically included with
* {@link Ext.form.BasicForm#submit form submit()}.
*/
/**
* @cfg {String} cls A custom CSS class to apply to the field's underlying element (defaults to "").
*/
/**
* @cfg {String} invalidClass The CSS class to use when marking a field invalid (defaults to "x-form-invalid")
*/
invalidClass : "x-form-invalid",
/**
* @cfg {String} invalidText The error text to use when marking a field invalid and no message is provided
* (defaults to "The value in this field is invalid")
*/
invalidText : "The value in this field is invalid",
/**
* @cfg {String} focusClass The CSS class to use when the field receives focus (defaults to "x-form-focus")
*/
focusClass : "x-form-focus",
/**
* @cfg {String/Boolean} validationEvent The event that should initiate field validation. Set to false to disable
automatic validation (defaults to "keyup").
*/
validationEvent : "keyup",
/**
* @cfg {Boolean} validateOnBlur Whether the field should validate when it loses focus (defaults to true).
*/
validateOnBlur : true,
/**
* @cfg {Number} validationDelay The length of time in milliseconds after user input begins until validation
* is initiated (defaults to 250)
*/
validationDelay : 250,
/**
* @cfg {String/Object} autoCreate A {@link Ext.DomHelper DomHelper} element spec, or true for a default
* element spec. Used to create the {@link Ext.Component#getEl Element} which will encapsulate this Component.
* See {@link Ext.Component#autoEl autoEl} for details. Defaults to:
* {tag: "input", type: "text", size: "20", autocomplete: "off"}
*/
defaultAutoCreate : {tag: "input", type: "text", size: "20", autocomplete: "off"},
/**
* @cfg {String} fieldClass The default CSS class for the field (defaults to "x-form-field")
*/
fieldClass : "x-form-field",
/**
* @cfg {String} msgTarget The location where error text should display. Should be one of the following values
* (defaults to 'qtip'):
*
Value Description
----------- ----------------------------------------------------------------------
qtip Display a quick tip when the user hovers over the field
title Display a default browser title attribute popup
under Add a block div beneath the field containing the error text
side Add an error icon to the right of the field with a popup on hover
[element id] Add the error text directly to the innerHTML of the specified element
*/
msgTarget : 'qtip',
/**
* @cfg {String} msgFx Experimental The effect used when displaying a validation message under the field
* (defaults to 'normal').
*/
msgFx : 'normal',
/**
* @cfg {Boolean} readOnly true to mark the field as readOnly in HTML
* (defaults to false).
*
Note: this only sets the element's readOnly DOM attribute.
* Setting readOnly=true, for example, will not disable triggering a
* ComboBox or DateField; 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.TriggerField#hideTrigger hideTrigger}.
*/
readOnly : false,
/**
* @cfg {Boolean} disabled True to disable the field (defaults to false).
* Be aware that conformant with the HTML specification,
* disabled Fields will not be {@link Ext.form.BasicForm#submit submitted}.
*/
disabled : false,
// private
isFormField : true,
// private
hasFocus : false,
// private
initComponent : function(){
Ext.form.Field.superclass.initComponent.call(this);
this.addEvents(
/**
* @event focus
* Fires when this field receives input focus.
* @param {Ext.form.Field} this
*/
'focus',
/**
* @event blur
* Fires when this field loses input focus.
* @param {Ext.form.Field} this
*/
'blur',
/**
* @event specialkey
* Fires when any key related to navigation (arrows, tab, enter, esc, etc.) is pressed.
* To handle other keys see {@link Ext.Panel#keys} or {@link Ext.KeyMap}.
* You can check {@link Ext.EventObject#getKey} to determine which key was pressed.
* For example:
var form = new Ext.form.FormPanel({
...
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.ownerCt.getForm();
form.submit();
}
}
}
}
],
...
});
*
* @param {Ext.form.Field} this
* @param {Ext.EventObject} e The event object
*/
'specialkey',
/**
* @event change
* Fires just before the field blurs if the field value has changed.
* @param {Ext.form.Field} this
* @param {Mixed} newValue The new value
* @param {Mixed} oldValue The original value
*/
'change',
/**
* @event invalid
* Fires after the field has been marked as invalid.
* @param {Ext.form.Field} this
* @param {String} msg The validation message
*/
'invalid',
/**
* @event valid
* Fires after the field has been validated with no errors.
* @param {Ext.form.Field} this
*/
'valid'
);
},
/**
* Returns the {@link Ext.form.Field#name name} or {@link Ext.form.ComboBox#hiddenName hiddenName}
* attribute of the field if available.
* @return {String} name The field {@link Ext.form.Field#name name} or {@link Ext.form.ComboBox#hiddenName hiddenName}
*/
getName: function(){
return this.rendered && this.el.dom.name ? this.el.dom.name : this.name || this.id || '';
},
// private
onRender : function(ct, position){
if(!this.el){
var cfg = this.getAutoCreate();
if(!cfg.name){
cfg.name = this.name || this.id;
}
if(this.inputType){
cfg.type = this.inputType;
}
this.autoEl = cfg;
}
Ext.form.Field.superclass.onRender.call(this, ct, position);
var type = this.el.dom.type;
if(type){
if(type == 'password'){
type = 'text';
}
this.el.addClass('x-form-'+type);
}
if(this.readOnly){
this.el.dom.readOnly = true;
}
if(this.tabIndex !== undefined){
this.el.dom.setAttribute('tabIndex', this.tabIndex);
}
this.el.addClass([this.fieldClass, this.cls]);
},
// private
getItemCt : function(){
return this.el.up('.x-form-item', 4);
},
// private
initValue : function(){
if(this.value !== undefined){
this.setValue(this.value);
}else if(!Ext.isEmpty(this.el.dom.value) && this.el.dom.value != this.emptyText){
this.setValue(this.el.dom.value);
}
/**
* The original value of the field as configured in the {@link #value} configuration, or
* as loaded by the last form load operation if the form's {@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad}
* setting is true.
* @type mixed
* @property originalValue
*/
this.originalValue = this.getValue();
},
/**
* Returns true if the value of this Field has been changed from its original value.
* Will return false if the field is disabled or has not been rendered yet.
* Note that if the owning {@link Ext.form.BasicForm form} was configured with
* {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad}
* then the original value is updated when the values are loaded by
* {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#setValues setValues}.
* @return {Boolean} True if this field has been changed from its original value (and
* is not disabled), false otherwise.
*/
isDirty : function() {
if(this.disabled || !this.rendered) {
return false;
}
return String(this.getValue()) !== String(this.originalValue);
},
// private
afterRender : function(){
Ext.form.Field.superclass.afterRender.call(this);
this.initEvents();
this.initValue();
},
// private
fireKey : function(e){
if(e.isSpecialKey()){
this.fireEvent("specialkey", this, e);
}
},
/**
* Resets the current field value to the originally loaded value and clears any validation messages.
* See {@link Ext.form.BasicForm}.{@link Ext.form.BasicForm#trackResetOnLoad trackResetOnLoad}
*/
reset : function(){
this.setValue(this.originalValue);
this.clearInvalid();
},
// private
initEvents : function(){
this.mon(this.el, Ext.EventManager.useKeydown ? "keydown" : "keypress", this.fireKey, this);
this.mon(this.el, 'focus', this.onFocus, this);
// fix weird FF/Win editor issue when changing OS window focus
var o = this.inEditor && Ext.isWindows && Ext.isGecko ? {buffer:10} : null;
this.mon(this.el, 'blur', this.onBlur, this, o);
},
// private
onFocus : function(){
if(this.focusClass){
this.el.addClass(this.focusClass);
}
if(!this.hasFocus){
this.hasFocus = true;
this.startValue = this.getValue();
this.fireEvent("focus", this);
}
},
// private
beforeBlur : Ext.emptyFn,
// private
onBlur : function(){
this.beforeBlur();
if(this.focusClass){
this.el.removeClass(this.focusClass);
}
this.hasFocus = false;
if(this.validationEvent !== false && this.validateOnBlur && this.validationEvent != "blur"){
this.validate();
}
var v = this.getValue();
if(String(v) !== String(this.startValue)){
this.fireEvent('change', this, v, this.startValue);
}
this.fireEvent("blur", this);
},
/**
* Returns whether or not the field value is currently valid
* @param {Boolean} preventMark True to disable marking the field invalid
* @return {Boolean} True if the value is valid, else false
*/
isValid : function(preventMark){
if(this.disabled){
return true;
}
var restore = this.preventMark;
this.preventMark = preventMark === true;
var v = this.validateValue(this.processValue(this.getRawValue()));
this.preventMark = restore;
return v;
},
/**
* Validates the field value
* @return {Boolean} True if the value is valid, else false
*/
validate : function(){
if(this.disabled || this.validateValue(this.processValue(this.getRawValue()))){
this.clearInvalid();
return true;
}
return false;
},
// protected - should be overridden by subclasses if necessary to prepare raw values for validation
processValue : function(value){
return value;
},
// private
// Subclasses should provide the validation implementation by overriding this
validateValue : function(value){
return true;
},
/**
* Mark this field as invalid, using {@link #msgTarget} to determine how to display the error and
* applying {@link #invalidClass} to the field's element.
* @param {String} msg (optional) The validation message (defaults to {@link #invalidText})
*/
markInvalid : function(msg){
if(!this.rendered || this.preventMark){ // not rendered
return;
}
msg = msg || this.invalidText;
var mt = this.getMessageHandler();
if(mt){
mt.mark(this, msg);
}else if(this.msgTarget){
this.el.addClass(this.invalidClass);
var t = Ext.getDom(this.msgTarget);
if(t){
t.innerHTML = msg;
t.style.display = this.msgDisplay;
}
}
this.fireEvent('invalid', this, msg);
},
/**
* Clear any invalid styles/messages for this field
*/
clearInvalid : function(){
if(!this.rendered || this.preventMark){ // not rendered
return;
}
this.el.removeClass(this.invalidClass);
var mt = this.getMessageHandler();
if(mt){
mt.clear(this);
}else if(this.msgTarget){
this.el.removeClass(this.invalidClass);
var t = Ext.getDom(this.msgTarget);
if(t){
t.innerHTML = '';
t.style.display = 'none';
}
}
this.fireEvent('valid', this);
},
// private
getMessageHandler : function(){
return Ext.form.MessageTargets[this.msgTarget];
},
// private
getErrorCt : function(){
return this.el.findParent('.x-form-element', 5, true) || // use form element wrap if available
this.el.findParent('.x-form-field-wrap', 5, true); // else direct field wrap
},
// private
alignErrorIcon : function(){
this.errorIcon.alignTo(this.el, 'tl-tr', [2, 0]);
},
/**
* Returns the raw data value which may or may not be a valid, defined value. To return a normalized value see {@link #getValue}.
* @return {Mixed} value The field value
*/
getRawValue : function(){
var v = this.rendered ? this.el.getValue() : Ext.value(this.value, '');
if(v === this.emptyText){
v = '';
}
return v;
},
/**
* Returns the normalized data value (undefined or emptyText will be returned as ''). To return the raw value see {@link #getRawValue}.
* @return {Mixed} value The field value
*/
getValue : function(){
if(!this.rendered) {
return this.value;
}
var v = this.el.getValue();
if(v === this.emptyText || v === undefined){
v = '';
}
return v;
},
/**
* Sets the underlying DOM field's value directly, bypassing validation. To set the value with validation see {@link #setValue}.
* @param {Mixed} value The value to set
* @return {Mixed} value The field value that is set
*/
setRawValue : function(v){
return (this.el.dom.value = (Ext.isEmpty(v) ? '' : v));
},
/**
* Sets a data value into the field and validates it. To set the value directly without validation see {@link #setRawValue}.
* @param {Mixed} value The value to set
* @return {Ext.form.Field} this
*/
setValue : function(v){
this.value = v;
if(this.rendered){
this.el.dom.value = (Ext.isEmpty(v) ? '' : v);
this.validate();
}
return this;
},
// private, does not work for all fields
append : function(v){
this.setValue([this.getValue(), v].join(''));
},
// private
adjustSize : function(w, h){
var s = Ext.form.Field.superclass.adjustSize.call(this, w, h);
s.width = this.adjustWidth(this.el.dom.tagName, s.width);
if(this.offsetCt){
var ct = this.getItemCt();
s.width -= ct.getFrameWidth('lr');
s.height -= ct.getFrameWidth('tb');
}
return s;
},
// private
adjustWidth : function(tag, w){
if(typeof w == 'number' && (Ext.isIE && (Ext.isIE6 || !Ext.isStrict)) && /input|textarea/i.test(tag) && !this.inEditor){
return w - 3;
}
return w;
}
/**
* @cfg {Boolean} autoWidth @hide
*/
/**
* @cfg {Boolean} autoHeight @hide
*/
/**
* @cfg {String} autoEl @hide
*/
});
Ext.form.MessageTargets = {
'qtip' : {
mark: function(field, msg){
field.el.addClass(field.invalidClass);
field.el.dom.qtip = msg;
field.el.dom.qclass = 'x-form-invalid-tip';
if(Ext.QuickTips){ // fix for floating editors interacting with DND
Ext.QuickTips.enable();
}
},
clear: function(field){
field.el.removeClass(field.invalidClass);
field.el.dom.qtip = '';
}
},
'title' : {
mark: function(field, msg){
field.el.addClass(field.invalidClass);
field.el.dom.title = msg;
},
clear: function(field){
field.el.dom.title = '';
}
},
'under' : {
mark: function(field, msg){
field.el.addClass(field.invalidClass);
if(!field.errorEl){
var elp = field.getErrorCt();
if(!elp){ // field has no container el
field.el.dom.title = msg;
return;
}
field.errorEl = elp.createChild({cls:'x-form-invalid-msg'});
field.errorEl.setWidth(elp.getWidth(true)-20);
}
field.errorEl.update(msg);
Ext.form.Field.msgFx[field.msgFx].show(field.errorEl, field);
},
clear: function(field){
field.el.removeClass(field.invalidClass);
if(field.errorEl){
Ext.form.Field.msgFx[field.msgFx].hide(field.errorEl, field);
}else{
field.el.dom.title = '';
}
}
},
'side' : {
mark: function(field, msg){
field.el.addClass(field.invalidClass);
if(!field.errorIcon){
var elp = field.getErrorCt();
if(!elp){ // field has no container el
field.el.dom.title = msg;
return;
}
field.errorIcon = elp.createChild({cls:'x-form-invalid-icon'});
}
field.alignErrorIcon();
field.errorIcon.dom.qtip = msg;
field.errorIcon.dom.qclass = 'x-form-invalid-tip';
field.errorIcon.show();
field.on('resize', field.alignErrorIcon, field);
},
clear: function(field){
field.el.removeClass(field.invalidClass);
if(field.errorIcon){
field.errorIcon.dom.qtip = '';
field.errorIcon.hide();
field.un('resize', field.alignErrorIcon, field);
}else{
field.el.dom.title = '';
}
}
}
};
// anything other than normal should be considered experimental
Ext.form.Field.msgFx = {
normal : {
show: function(msgEl, f){
msgEl.setDisplayed('block');
},
hide : function(msgEl, f){
msgEl.setDisplayed(false).update('');
}
},
slide : {
show: function(msgEl, f){
msgEl.slideIn('t', {stopFx:true});
},
hide : function(msgEl, f){
msgEl.slideOut('t', {stopFx:true,useDisplay:true});
}
},
slideRight : {
show: function(msgEl, f){
msgEl.fixDisplay();
msgEl.alignTo(f.el, 'tl-tr');
msgEl.slideIn('l', {stopFx:true});
},
hide : function(msgEl, f){
msgEl.slideOut('l', {stopFx:true,useDisplay:true});
}
}
};
Ext.reg('field', Ext.form.Field);