form-debug.js

当前比较流行的,漂亮的JS框架,这里面用到的API文档

/*
 * Ext JS Library 2.0.2
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * [e-mail]
 * 
 * http://extjs.com/license
 */


Ext.form.Field = Ext.extend(Ext.BoxComponent,  {
    
    
    
    
    
    

    
    invalidClass : "x-form-invalid",
    
    invalidText : "The value in this field is invalid",
    
    focusClass : "x-form-focus",
    
    validationEvent : "keyup",
    
    validateOnBlur : true,
    
    validationDelay : 250,
    
    defaultAutoCreate : {tag: "input", type: "text", size: "20", autocomplete: "off"},
    
    fieldClass : "x-form-field",
    
    msgTarget : 'qtip',
    
    msgFx : 'normal',
    
    
    readOnly : false,

    
    disabled : false,

    

    

        isFormField : true,

        hasFocus : false,

    
    
    
    

		initComponent : function(){
        Ext.form.Field.superclass.initComponent.call(this);
        this.addEvents(
            
            'focus',
            
            'blur',
            
            'specialkey',
            
            'change',
            
            'invalid',
            
            'valid'
        );
    },

    
    getName: function(){
         return this.rendered && this.el.dom.name ? this.el.dom.name : (this.hiddenName || '');
    },

        onRender : function(ct, position){
        Ext.form.Field.superclass.onRender.call(this, 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.el = ct.createChild(cfg, 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]);
        this.initValue();
    },

        initValue : function(){
        if(this.value !== undefined){
            this.setValue(this.value);
        }else if(this.el.dom.value.length > 0){
            this.setValue(this.el.dom.value);
        }
    },

    
    isDirty : function() {
        if(this.disabled) {
            return false;
        }
        return String(this.getValue()) !== String(this.originalValue);
    },

        afterRender : function(){
        Ext.form.Field.superclass.afterRender.call(this);
        this.initEvents();
    },

        fireKey : function(e){
        if(e.isSpecialKey()){
            this.fireEvent("specialkey", this, e);
        }
    },

    
    reset : function(){
        this.setValue(this.originalValue);
        this.clearInvalid();
    },

        initEvents : function(){
        this.el.on(Ext.isIE ? "keydown" : "keypress", this.fireKey,  this);
        this.el.on("focus", this.onFocus,  this);
        this.el.on("blur", this.onBlur,  this);

                this.originalValue = this.getValue();
    },

        onFocus : function(){
        if(!Ext.isOpera && this.focusClass){             this.el.addClass(this.focusClass);
        }
        if(!this.hasFocus){
            this.hasFocus = true;
            this.startValue = this.getValue();
            this.fireEvent("focus", this);
        }
    },

    beforeBlur : Ext.emptyFn,

        onBlur : function(){
        this.beforeBlur();
        if(!Ext.isOpera && 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);
    },

    
    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;
    },

    
    validate : function(){
        if(this.disabled || this.validateValue(this.processValue(this.getRawValue()))){
            this.clearInvalid();
            return true;
        }
        return false;
    },

    processValue : function(value){
        return value;
    },

            validateValue : function(value){
        return true;
    },

    
    markInvalid : function(msg){
        if(!this.rendered || this.preventMark){             return;
        }
        this.el.addClass(this.invalidClass);
        msg = msg || this.invalidText;
        switch(this.msgTarget){
            case 'qtip':
                this.el.dom.qtip = msg;
                this.el.dom.qclass = 'x-form-invalid-tip';
                if(Ext.QuickTips){                     Ext.QuickTips.enable();
                }
                break;
            case 'title':
                this.el.dom.title = msg;
                break;
            case 'under':
                if(!this.errorEl){
                    var elp = this.el.findParent('.x-form-element', 5, true);
                    this.errorEl = elp.createChild({cls:'x-form-invalid-msg'});
                    this.errorEl.setWidth(elp.getWidth(true)-20);
                }
                this.errorEl.update(msg);
                Ext.form.Field.msgFx[this.msgFx].show(this.errorEl, this);
                break;
            case 'side':
                if(!this.errorIcon){
                    var elp = this.el.findParent('.x-form-element', 5, true);
                    this.errorIcon = elp.createChild({cls:'x-form-invalid-icon'});
                }
                this.alignErrorIcon();
                this.errorIcon.dom.qtip = msg;
                this.errorIcon.dom.qclass = 'x-form-invalid-tip';
                this.errorIcon.show();
                this.on('resize', this.alignErrorIcon, this);
                break;
            default:
                var t = Ext.getDom(this.msgTarget);
                t.innerHTML = msg;
                t.style.display = this.msgDisplay;
                break;
        }
        this.fireEvent('invalid', this, msg);
    },

        alignErrorIcon : function(){
        this.errorIcon.alignTo(this.el, 'tl-tr', [2, 0]);
    },

    
    clearInvalid : function(){
        if(!this.rendered || this.preventMark){             return;
        }
        this.el.removeClass(this.invalidClass);
        switch(this.msgTarget){
            case 'qtip':
                this.el.dom.qtip = '';
                break;
            case 'title':
                this.el.dom.title = '';
                break;
            case 'under':
                if(this.errorEl){
                    Ext.form.Field.msgFx[this.msgFx].hide(this.errorEl, this);
                }
                break;
            case 'side':
                if(this.errorIcon){
                    this.errorIcon.dom.qtip = '';
                    this.errorIcon.hide();
                    this.un('resize', this.alignErrorIcon, this);
                }
                break;
            default:
                var t = Ext.getDom(this.msgTarget);
                t.innerHTML = '';
                t.style.display = 'none';
                break;
        }
        this.fireEvent('valid', this);
    },

    
    getRawValue : function(){
        var v = this.rendered ? this.el.getValue() : Ext.value(this.value, '');
        if(v === this.emptyText){
            v = '';
        }
        return v;
    },

    
    getValue : function(){
        if(!this.rendered) {
            return this.value;
        }
        var v = this.el.getValue();
        if(v === this.emptyText || v === undefined){
            v = '';
        }
        return v;
    },

    
    setRawValue : function(v){
        return this.el.dom.value = (v === null || v === undefined ? '' : v);
    },

    
    setValue : function(v){
        this.value = v;
        if(this.rendered){
            this.el.dom.value = (v === null || v === undefined ? '' : v);
            this.validate();
        }
    },

    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);
        return s;
    },

    adjustWidth : function(tag, w){
        tag = tag.toLowerCase();
        if(typeof w == 'number' && !Ext.isSafari){
            if(Ext.isIE && (tag == 'input' || tag == 'textarea')){
                if(tag == 'input' && !Ext.isStrict){
                    return this.inEditor ? w : w - 3;
                }
                if(tag == 'input' && Ext.isStrict){
                    return w - (Ext.isIE6 ? 4 : 1);
                }
                if(tag = 'textarea' && Ext.isStrict){
                    return w-2;
                }
            }else if(Ext.isOpera && Ext.isStrict){
                if(tag == 'input'){
                    return w + 2;
                }
                if(tag = 'textarea'){
                    return w-2;
                }
            }
        }
        return w;
    }

    
    

    
});


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);


Ext.form.TextField = Ext.extend(Ext.form.Field,  {
    
    
    grow : false,
    
    growMin : 30,
    
    growMax : 800,
    
    vtype : null,
    
    maskRe : null,
    
    disableKeyFilter : false,
    
    allowBlank : true,
    
    minLength : 0,
    
    maxLength : Number.MAX_VALUE,
    
    minLengthText : "The minimum length for this field is {0}",
    
    maxLengthText : "The maximum length for this field is {0}",
    
    selectOnFocus : false,
    
    blankText : "This field is required",
    
    validator : null,
    
    regex : null,
    
    regexText : "",
    
    emptyText : null,
    
    emptyClass : 'x-form-empty-field',

    initComponent : function(){
        Ext.form.TextField.superclass.initComponent.call(this);
        this.addEvents(
            
            'autosize'
        );
    },

        initEvents : function(){
        Ext.form.TextField.superclass.initEvents.call(this);
        if(this.validationEvent == 'keyup'){
            this.validationTask = new Ext.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 = Ext.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;