/**
* @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, {
/**
* The label Element associated with this Field. Only available after this Field has been rendered by a
* {@link form Ext.layout.FormLayout} layout manager.
* @type Ext.Element
* @property label
*/
/**
* @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 {Boolean} preventMark
* true to disable {@link #markInvalid marking the field invalid}.
* Defaults to false.
*/
/**
* @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} msgTargetThe location where the message text set through {@link #markInvalid} should display.
* Must be one of the following values:
*
* qtip Display a quick tip containing the message when the user hovers over the field. This is the default.
* {@link Ext.QuickTips#init Ext.QuickTips.init} must have been called for this setting to work.
* title Display the message in a default browser title attribute popup.under Add a block div beneath the field containing the error message.side Add an error icon to the right of the field, displaying the message in a popup on hover.[element id] Add the error message directly to the innerHTML of the specified element.
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,
/**
* @cfg {Boolean} submitValue False to clear the name attribute on the field so that it is not submitted during a form post.
* Defaults to true.
*/
submitValue: true,
// private
isFormField : true,
// private
msgDisplay: '',
// 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);
if(this.submitValue === false){
this.el.dom.removeAttribute('name');
}
var type = this.el.dom.type;
if(type){
if(type == 'password'){
type = 'text';
}
this.el.addClass('x-form-'+type);
}
if(this.readOnly){
this.setReadOnly(true);
}
if(this.tabIndex !== undefined){
this.el.dom.setAttribute('tabIndex', this.tabIndex);
}
this.el.addClass([this.fieldClass, this.cls]);
},
// private
getItemCt : function(){
return this.itemCt;
},
// 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);
},
/**
* Sets the read only state of this field.
* @param {Boolean} readOnly Whether the field should be read only.
*/
setReadOnly : function(readOnly){
if(this.rendered){
this.el.dom.readOnly = readOnly;
}
this.readOnly = readOnly;
},
// 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);
// 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)
this.mon(this.el, 'blur', this.onBlur, this, this.inEditor ? {buffer:10} : null);
},
// private
preFocus: Ext.emptyFn,
// private
onFocus : function(){
this.preFocus();
if(this.focusClass){
this.el.addClass(this.focusClass);
}
if(!this.hasFocus){
this.hasFocus = true;
/**
* The value that the Field had at the time it was last focused. This is the value that is passed
* to the {@link #change} event which is fired if the value has been changed when the Field is blurred.
* This will be undefined until the Field has been visited. Compare {@link #originalValue}.
* @type mixed
* @property startValue
*/
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);
this.postBlur();
},
// private
postBlur : Ext.emptyFn,
/**
* Returns whether or not the field value is currently valid by
* {@link #validateValue validating} the {@link #processValue processed value}
* of the field. Note: {@link #disabled} fields are ignored.
* @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;
},
/**
* This method should only be overridden if necessary to prepare raw values
* for validation (see {@link #validate} and {@link #isValid}). This method
* is expected to return the processed value for the field which will
* be used for validation (see validateValue method).
* @param {Mixed} value
*/
processValue : function(value){
return value;
},
/**
* @private
* Subclasses should provide the validation implementation by overriding this
* @param {Mixed} value
*/
validateValue : function(value){
return true;
},
/**
* Gets the active error message for this field.
* @return {String} Returns the active error message on the field, if there is no error, an empty string is returned.
*/
getActiveError : function(){
return this.activeError || '';
},
/**
* Display an error message associated with this field, using {@link #msgTarget} to determine how to
* display the message and applying {@link #invalidClass} to the field's UI element.
* Note: this method does not cause the Field's {@link #validate} method 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.
* {@link #isValid invalid}.
* @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.activeError = msg;
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';
}
}
delete this.activeError;
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
},
// Alignment for 'under' target
alignErrorEl : function(){
this.errorEl.setWidth(this.getErrorCt().getWidth(true) - 20);
},
// Alignment for 'side' target
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.rendered ? (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(''));
}
/**
* @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.on('resize', field.alignErrorEl, field);
field.on('destroy', function(){
Ext.destroy(this.errorEl);
}, field);
}
field.alignErrorEl();
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.on('resize', field.alignErrorIcon, field);
field.on('destroy', function(){
Ext.destroy(this.errorIcon);
}, field);
}
field.alignErrorIcon();
field.errorIcon.dom.qtip = msg;
field.errorIcon.dom.qclass = 'x-form-invalid-tip';
field.errorIcon.show();
},
clear: function(field){
field.el.removeClass(field.invalidClass);
if(field.errorIcon){
field.errorIcon.dom.qtip = '';
field.errorIcon.hide();
}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);