X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/widgets/form/TextField.js diff --git a/src/widgets/form/TextField.js b/src/widgets/form/TextField.js new file mode 100644 index 00000000..2ecaa217 --- /dev/null +++ b/src/widgets/form/TextField.js @@ -0,0 +1,491 @@ +/*! + * Ext JS Library 3.0.0 + * Copyright(c) 2006-2009 Ext JS, LLC + * licensing@extjs.com + * http://www.extjs.com/license + */ +/** + * @class Ext.form.TextField + * @extends Ext.form.Field + *

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}).

+ *

Validation

+ *

Field validation is processed in a particular order. If validation fails at any particular + * step the validation routine halts.

+ *
+ * @constructor + * Creates a new TextField + * @param {Object} config Configuration options + * @xtype textfield + */ +Ext.form.TextField = Ext.extend(Ext.form.Field, { + /** + * @cfg {String} vtypeText A custom error message to display in place of the default message provided + * for the {@link #vtype} currently set for this field (defaults to ''). Note: + * only applies if {@link #vtype} is set, else ignored. + */ + /** + * @cfg {RegExp} stripCharsRe A JavaScript RegExp object used to strip unwanted content from the value + * before validation (defaults to null). + */ + /** + * @cfg {Boolean} grow true if this field should automatically grow and shrink to its content + * (defaults to false) + */ + grow : false, + /** + * @cfg {Number} growMin The minimum width to allow when {@link #grow} = true (defaults + * to 30) + */ + growMin : 30, + /** + * @cfg {Number} growMax The maximum width to allow when {@link #grow} = true (defaults + * to 800) + */ + growMax : 800, + /** + * @cfg {String} vtype A validation type name as defined in {@link Ext.form.VTypes} (defaults to null) + */ + vtype : null, + /** + * @cfg {RegExp} maskRe An input mask regular expression that will be used to filter keystrokes that do + * not match (defaults to null) + */ + maskRe : null, + /** + * @cfg {Boolean} disableKeyFilter Specify true to disable input keystroke filtering (defaults + * to false) + */ + disableKeyFilter : false, + /** + * @cfg {Boolean} allowBlank Specify false to validate that the value's length is > 0 (defaults to + * true) + */ + allowBlank : true, + /** + * @cfg {Number} minLength Minimum input field length required (defaults to 0) + */ + minLength : 0, + /** + * @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 {@link Ext.form.Field#autoCreate autoCreate} to add + * any attributes you want to a field, for example:

+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'}
+});
+
+ */ + maxLength : Number.MAX_VALUE, + /** + * @cfg {String} minLengthText Error text to display if the {@link #minLength minimum length} + * validation fails (defaults to 'The minimum length for this field is {minLength}') + */ + minLengthText : 'The minimum length for this field is {0}', + /** + * @cfg {String} maxLengthText Error text to display if the {@link #maxLength maximum length} + * validation fails (defaults to 'The maximum length for this field is {maxLength}') + */ + maxLengthText : 'The maximum length for this field is {0}', + /** + * @cfg {Boolean} selectOnFocus true to automatically select any existing field text when the field + * receives input focus (defaults to false) + */ + selectOnFocus : false, + /** + * @cfg {String} blankText The error text to display if the {@link #allowBlank} validation + * fails (defaults to 'This field is required') + */ + blankText : 'This field is required', + /** + * @cfg {Function} validator A custom validation function to be called during field validation + * (defaults to null). If specified, this function will be called first, allowing the + * developer to override the default validation process. This function will be passed the current + * field value and expected to return boolean true if the value is valid or a string + * error message if invalid. + */ + validator : null, + /** + * @cfg {RegExp} regex A JavaScript RegExp object to be tested against the field value during validation + * (defaults to null). If the test fails, the field will be marked invalid using + * {@link #regexText}. + */ + regex : null, + /** + * @cfg {String} regexText The error text to display if {@link #regex} is used and the + * test fails during validation (defaults to '') + */ + regexText : '', + /** + * @cfg {String} emptyText The default text to place into an empty field (defaults to null). + * Note: that this value will be submitted to the server if this field is enabled and configured + * with a {@link #name}. + */ + emptyText : null, + /** + * @cfg {String} emptyClass The CSS class to apply to an empty field to style the {@link #emptyText} + * (defaults to 'x-form-empty-field'). This class is automatically added and removed as needed + * depending on the current field value. + */ + emptyClass : 'x-form-empty-field', + + /** + * @cfg {Boolean} enableKeyEvents true to enable the proxying of key events for the HTML input + * field (defaults to false) + */ + + initComponent : function(){ + Ext.form.TextField.superclass.initComponent.call(this); + this.addEvents( + /** + * @event autosize + * Fires when the {@link #autoSize} 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', + + /** + * @event keydown + * Keydown input field event. This event only fires if {@link #enableKeyEvents} + * is set to true. + * @param {Ext.form.TextField} this This text field + * @param {Ext.EventObject} e + */ + 'keydown', + /** + * @event keyup + * Keyup input field event. This event only fires if {@link #enableKeyEvents} + * is set to true. + * @param {Ext.form.TextField} this This text field + * @param {Ext.EventObject} e + */ + 'keyup', + /** + * @event keypress + * Keypress input field event. This event only fires if {@link #enableKeyEvents} + * is set to true. + * @param {Ext.form.TextField} this This text field + * @param {Ext.EventObject} e + */ + 'keypress' + ); + }, + + // private + 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.mon(this.el, this.validationEvent, this.validate, this, {buffer: this.validationDelay}); + } + if(this.selectOnFocus || this.emptyText){ + this.on('focus', this.preFocus, this); + + this.mon(this.el, 'mousedown', function(){ + if(!this.hasFocus){ + this.el.on('mouseup', function(e){ + e.preventDefault(); + }, this, {single:true}); + } + }, this); + + if(this.emptyText){ + this.on('blur', this.postBlur, this); + 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, 'keyup', this.onKeyUp, this); + this.mon(this.el, 'keydown', this.onKeyDown, this); + this.mon(this.el, 'keypress', this.onKeyPress, this); + } + }, + + processValue : function(value){ + if(this.stripCharsRe){ + var newValue = value.replace(this.stripCharsRe, ''); + if(newValue !== value){ + this.setRawValue(newValue); + return newValue; + } + } + return value; + }, + + filterValidation : function(e){ + if(!e.isNavKeyPress()){ + this.validationTask.delay(this.validationDelay); + } + }, + + //private + onDisable: function(){ + Ext.form.TextField.superclass.onDisable.call(this); + if(Ext.isIE){ + this.el.dom.unselectable = 'on'; + } + }, + + //private + onEnable: function(){ + Ext.form.TextField.superclass.onEnable.call(this); + if(Ext.isIE){ + this.el.dom.unselectable = ''; + } + }, + + // private + onKeyUpBuffered : function(e){ + if(!e.isNavKeyPress()){ + this.autoSize(); + } + }, + + // private + onKeyUp : function(e){ + this.fireEvent('keyup', this, e); + }, + + // private + onKeyDown : function(e){ + this.fireEvent('keydown', this, e); + }, + + // private + onKeyPress : function(e){ + this.fireEvent('keypress', this, e); + }, + + /** + * Resets the current field value to the originally-loaded value and clears any validation messages. + * Also adds {@link #emptyText} and {@link #emptyClass} if the + * original value was blank. + */ + reset : function(){ + Ext.form.TextField.superclass.reset.call(this); + this.applyEmptyText(); + }, + + applyEmptyText : function(){ + if(this.rendered && this.emptyText && this.getRawValue().length < 1 && !this.hasFocus){ + this.setRawValue(this.emptyText); + this.el.addClass(this.emptyClass); + } + }, + + // private + preFocus : function(){ + var el = this.el; + if(this.emptyText){ + if(el.dom.value == this.emptyText){ + this.setRawValue(''); + } + el.removeClass(this.emptyClass); + } + if(this.selectOnFocus){ + (function(){ + el.dom.select(); + }).defer(this.inEditor && Ext.isIE ? 50 : 0); + } + }, + + // private + postBlur : function(){ + this.applyEmptyText(); + }, + + // private + filterKeys : function(e){ + // special keys don't generate charCodes, so leave them alone + if(e.ctrlKey || e.isSpecialKey()){ + return; + } + + if(!this.maskRe.test(String.fromCharCode(e.getCharCode()))){ + e.stopEvent(); + } + }, + + setValue : function(v){ + 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; + }, + + /** + * Validates a value according to the field's validation rules and marks the field as invalid + * if the validation fails + * @param {Mixed} value The value to validate + * @return {Boolean} True if the value is valid, else false + */ + validateValue : function(value){ + if(Ext.isFunction(this.validator)){ + var msg = this.validator(value); + if(msg !== true){ + this.markInvalid(msg); + return false; + } + } + if(value.length < 1 || value === this.emptyText){ // if it's blank + if(this.allowBlank){ + this.clearInvalid(); + return true; + }else{ + this.markInvalid(this.blankText); + return false; + } + } + if(value.length < this.minLength){ + this.markInvalid(String.format(this.minLengthText, this.minLength)); + return false; + } + if(value.length > this.maxLength){ + this.markInvalid(String.format(this.maxLengthText, this.maxLength)); + return false; + } + if(this.vtype){ + var vt = Ext.form.VTypes; + if(!vt[this.vtype](value, this)){ + this.markInvalid(this.vtypeText || vt[this.vtype +'Text']); + return false; + } + } + if(this.regex && !this.regex.test(value)){ + this.markInvalid(this.regexText); + return false; + } + return true; + }, + + /** + * 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(); + } + }, + + /** + * Automatically grows the field to accomodate the width of the text up to the maximum field width allowed. + * This only takes effect if {@link #grow} = true, 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; + d = null; + Ext.removeNode(d); + v += ' '; + 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); + }, + + onDestroy: function(){ + if(this.validationTask){ + this.validationTask.cancel(); + this.validationTask = null; + } + Ext.form.TextField.superclass.onDestroy.call(this); + } +}); +Ext.reg('textfield', Ext.form.TextField);