/** * @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);