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- $.use(["jQuery", "form", "util"], function($, form, util) {
- var trim = "trim",
- readOnly = "readOnly",
- showOnly = "showOnly",
- modelName = 'textarea',
- def = "defVal",
- placeholder = "placeholder",
- required = "required";
- form.register(function($e) {
- var cls = util.classCheck($e[0], [modelName, trim, readOnly, showOnly]);
- if(cls[modelName]) {
- var n = $e.attr("name") || $e.attr("id"),
- ve, rules = [];
- if(!n) {
- throw "Attribute[name] is invalid";
- }
- dv = $e.attr(def) || "";
- $e.empty();
- if(cls[showOnly]) {
- $e.text(dv);
- } else {
- ve = $("<textarea></textarea>");
- ve.attr("rows", $e.attr("rows") || "3");
- ve.attr("cols", $e.attr("cols") || "20");
- var tmp = $e.attr(placeholder);
- if(tmp) ve.attr(placeholder, tmp);
- if(cls[readOnly]) ve.prop("readonly", "readonly");
- ve.val(dv);
- ve.appendTo($e);
- }
- return {
- name: n,
- get: function() {
- if(!cls[showOnly]) {
- var vd = cls[trim]?ve.val().trim():ve.val();
- return vd?vd:undefined;
- }
- },
- set: function(data) {
- if(cls[showOnly]) {
- $e.text(data)
- } else {
- ve.val(data);
- }
- },
- validate: function() {
- if(cls[required]) {
- var v=cls[trim]?ve.val().trim():ve.val();
- if(!v) {
- return "不可为空或空字符串";
- }
- }
- return util.validate(rules, this);
- },
- addRules: function(rule) {
- util.addRules(rules, rule);
- },
- reset: function() {
- this.set(dv);
- },
- valid: function() { util.valid($e); },
- invalid: function(reson) {
- util.invalid($e);
- util.error(reson);
- }
- };
- }
- });
- });
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