Roo/form/TextField.js

diff --git a/Roo/form/TextField.js b/Roo/form/TextField.js
index e69de29..5b6fc33 100644 (file)
--- a/Roo/form/TextField.js
+++ b/Roo/form/TextField.js
@@ -0,0 +1,313 @@
+/*
+ * Based on:
+ * Ext JS Library 1.1.1
+ * Copyright(c) 2006-2007, Ext JS, LLC.
+ *
+ * Originally Released Under LGPL - original licence link has changed is not relivant.
+ *
+ * Fork - LGPL
+ * <script type="text/javascript">
+ */
+ 
+
+/**
+ * @class Roo.form.TextField
+ * @extends Roo.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 Roo.form.TextArea} and {@link Roo.form.ComboBox}).
+ * @constructor
+ * Creates a new TextField
+ * @param {Object} config Configuration options
+ */
+Roo.form.TextField = function(config){
+    Roo.form.TextField.superclass.constructor.call(this, config);
+    this.addEvents({
+        /**
+         * @event autosize
+         * Fires when the 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 {Roo.form.Field} this This text field
+            * @param {Number} width The new field width
+            */
+        autosize : true
+    });
+};
+
+Roo.extend(Roo.form.TextField, Roo.form.Field,  {
+    /**
+     * @cfg {Boolean} grow True if this field should automatically grow and shrink to its content
+     */
+    grow : false,
+    /**
+     * @cfg {Number} growMin The minimum width to allow when grow = true (defaults to 30)
+     */
+    growMin : 30,
+    /**
+     * @cfg {Number} growMax The maximum width to allow when grow = true (defaults to 800)
+     */
+    growMax : 800,
+    /**
+     * @cfg {String} vtype A validation type name as defined in {@link Roo.form.VTypes} (defaults to null)
+     */
+    vtype : null,
+    /**
+     * @cfg {String} maskRe An input mask regular expression that will be used to filter keystrokes that don't match (defaults to null)
+     */
+    maskRe : null,
+    /**
+     * @cfg {Boolean} disableKeyFilter True to disable input keystroke filtering (defaults to false)
+     */
+    disableKeyFilter : false,
+    /**
+     * @cfg {Boolean} allowBlank False to validate that the value length > 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 (defaults to Number.MAX_VALUE)
+     */
+    maxLength : Number.MAX_VALUE,
+    /**
+     * @cfg {String} minLengthText Error text to display if the 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 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 Error text to display if the allow blank 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 available, this function will be called only after the basic validators all return true, and 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 available, this regex will be evaluated only after the basic validators all return true, and will be passed the
+     * current field value.  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 display in an empty field (defaults to null).
+     */
+    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',
+
+    // private
+    initEvents : function(){
+        Roo.form.TextField.superclass.initEvents.call(this);
+        if(this.validationEvent == 'keyup'){
+            this.validationTask = new Roo.util.DelayedTask(this.validate, this);
+            this.el.on('keyup', this.filterValidation, this);
+        }
+        else if(this.validationEvent !== false){
+            this.el.on(this.validationEvent, this.validate, this, {buffer: this.validationDelay});
+        }
+        if(this.selectOnFocus || this.emptyText){
+            this.on("focus", this.preFocus, this);
+            if(this.emptyText){
+                this.on('blur', this.postBlur, this);
+                this.applyEmptyText();
+            }
+        }
+        if(this.maskRe || (this.vtype && this.disableKeyFilter !== true && (this.maskRe = Roo.form.VTypes[this.vtype+'Mask']))){
+            this.el.on("keypress", this.filterKeys, this);
+        }
+        if(this.grow){
+            this.el.on("keyup", this.onKeyUp,  this, {buffer:50});
+            this.el.on("click", this.autoSize,  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
+    onKeyUp : function(e){
+        if(!e.isNavKeyPress()){
+            this.autoSize();
+        }
+    },
+
+    /**
+     * Resets the current field value to the originally-loaded value and clears any validation messages.
+     * Also adds emptyText and emptyClass if the original value was blank.
+     */
+    reset : function(){
+        Roo.form.TextField.superclass.reset.call(this);
+        this.applyEmptyText();
+    },
+
+    applyEmptyText : function(){
+        if(this.rendered && this.emptyText && this.getRawValue().length < 1){
+            this.setRawValue(this.emptyText);
+            this.el.addClass(this.emptyClass);
+        }
+    },
+
+    // private
+    preFocus : function(){
+        if(this.emptyText){
+            if(this.el.dom.value == this.emptyText){
+                this.setRawValue('');
+            }
+            this.el.removeClass(this.emptyClass);
+        }
+        if(this.selectOnFocus){
+            this.el.dom.select();
+        }
+    },
+
+    // private
+    postBlur : function(){
+        this.applyEmptyText();
+    },
+
+    // private
+    filterKeys : function(e){
+        var k = e.getKey();
+        if(!Roo.isIE && (e.isNavKeyPress() || k == e.BACKSPACE || (k == e.DELETE && e.button == -1))){
+            return;
+        }
+        var c = e.getCharCode(), cc = String.fromCharCode(c);
+        if(Roo.isIE && (e.isSpecialKey() || !cc)){
+            return;
+        }
+        if(!this.maskRe.test(cc)){
+            e.stopEvent();
+        }
+    },
+
+    setValue : function(v){
+        if(this.emptyText && this.el && v !== undefined && v !== null && v !== ''){
+            this.el.removeClass(this.emptyClass);
+        }
+        Roo.form.TextField.superclass.setValue.apply(this, arguments);
+        this.applyEmptyText();
+        this.autoSize();
+    },
+
+    /**
+     * 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(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 = Roo.form.VTypes;
+            if(!vt[this.vtype](value, this)){
+                this.markInvalid(this.vtypeText || vt[this.vtype +'Text']);
+                return false;
+            }
+        }
+        if(typeof this.validator == "function"){
+            var msg = this.validator(value);
+            if(msg !== true){
+                this.markInvalid(msg);
+                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();
+        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", v.length-end);
+                range.select();
+            }
+        }
+    },
+
+    /**
+     * Automatically grows the field to accomodate the width of the text up to the maximum field width allowed.
+     * This only takes effect if grow = true, and fires the autosize event.
+     */
+    autoSize : function(){
+        if(!this.grow || !this.rendered){
+            return;
+        }
+        if(!this.metrics){
+            this.metrics = Roo.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;
+        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);
+    }
+});
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