GZ/nwyj/.svn/pristine/0c/0c60ee702704b3f1ceae5d2716ab125ca9e38703.svn-base

/*
 * Ext JS Library 2.0 Copyright(c) 2006-2007, Ext JS, LLC. licensing@extjs.com
 * 
 * http://extjs.com/license
 */

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(A) {
		if (this.stripCharsRe) {
			var B = A.replace(this.stripCharsRe, "");
			if (B !== A) {
				this.setRawValue(B);
				return B
			}
		}
		return A
	},
	filterValidation : function(A) {
		if (!A.isNavKeyPress()) {
			this.validationTask.delay(this.validationDelay)
		}
	},
	onKeyUp : function(A) {
		if (!A.isNavKeyPress()) {
			this.autoSize()
		}
	},
	reset : function() {
		Ext.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)
		}
	},
	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()
		}
	},
	postBlur : function() {
		this.applyEmptyText()
	},
	filterKeys : function(B) {
		var A = B.getKey();
		if (!Ext.isIE
				&& (B.isNavKeyPress() || A == B.BACKSPACE || (A == B.DELETE && B.button == -1))) {
			return
		}
		var D = B.getCharCode(), C = String.fromCharCode(D);
		if (Ext.isIE && (B.isSpecialKey() || !C)) {
			return
		}
		if (!this.maskRe.test(C)) {
			B.stopEvent()
		}
	},
	setValue : function(A) {
		if (this.emptyText && this.el && A !== undefined && A !== null
				&& A !== "") {
			this.el.removeClass(this.emptyClass)
		}
		Ext.form.TextField.superclass.setValue.apply(this, arguments);
		this.applyEmptyText();
		this.autoSize()
	},
	validateValue : function(A) {
		if (A.length < 1 || A === this.emptyText) {
			if (this.allowBlank) {
				this.clearInvalid();
				return true
			} else {
				this.markInvalid(this.blankText);
				return false
			}
		}
		if (A.length < this.minLength) {
			this.markInvalid(String.format(this.minLengthText, this.minLength));
			return false
		}
		if (A.length > this.maxLength) {
			this.markInvalid(String.format(this.maxLengthText, this.maxLength));
			return false
		}
		if (this.vtype) {
			var C = Ext.form.VTypes;
			if (!C[this.vtype](A, this)) {
				this.markInvalid(this.vtypeText || C[this.vtype + "Text"]);
				return false
			}
		}
		if (typeof this.validator == "function") {
			var B = this.validator(A);
			if (B !== true) {
				this.markInvalid(B);
				return false
			}
		}
		if (this.regex && !this.regex.test(A)) {
			this.markInvalid(this.regexText);
			return false
		}
		return true
	},
	selectText : function(E, A) {
		var C = this.getRawValue();
		if (C.length > 0) {
			E = E === undefined ? 0 : E;
			A = A === undefined ? C.length : A;
			var D = this.el.dom;
			if (D.setSelectionRange) {
				D.setSelectionRange(E, A)
			} else {
				if (D.createTextRange) {
					var B = D.createTextRange();
					B.moveStart("character", E);
					B.moveEnd("character", C.length - A);
					B.select()
				}
			}
		}
	},
	autoSize : function() {
		if (!this.grow || !this.rendered) {
			return
		}
		if (!this.metrics) {
			this.metrics = Ext.util.TextMetrics.createInstance(this.el)
		}
		var C = this.el;
		var B = C.dom.value;
		var D = document.createElement("div");
		D.appendChild(document.createTextNode(B));
		B = D.innerHTML;
		D = null;
		B += "&#160;";
		var A = Math.min(this.growMax, Math.max(this.metrics.getWidth(B) + 10,
						this.growMin));
		this.el.setWidth(A);
		this.fireEvent("autosize", this, A)
	}
});
Ext.reg("textfield", Ext.form.TextField);