--- /dev/null
+define("dojo/dom-form", ["./_base/lang", "./dom", "./io-query", "./json"], function(lang, dom, ioq, json){
+ // module:
+ // dojo/dom-form
+
+ function setValue(/*Object*/ obj, /*String*/ name, /*String*/ value){
+ // summary:
+ // For the named property in object, set the value. If a value
+ // already exists and it is a string, convert the value to be an
+ // array of values.
+
+ // Skip it if there is no value
+ if(value === null){
+ return;
+ }
+
+ var val = obj[name];
+ if(typeof val == "string"){ // inline'd type check
+ obj[name] = [val, value];
+ }else if(lang.isArray(val)){
+ val.push(value);
+ }else{
+ obj[name] = value;
+ }
+ }
+
+ var exclude = "file|submit|image|reset|button";
+
+ var form = {
+ // summary:
+ // This module defines form-processing functions.
+
+ fieldToObject: function fieldToObject(/*DOMNode|String*/ inputNode){
+ // summary:
+ // Serialize a form field to a JavaScript object.
+ // description:
+ // Returns the value encoded in a form field as
+ // as a string or an array of strings. Disabled form elements
+ // and unchecked radio and checkboxes are skipped. Multi-select
+ // elements are returned as an array of string values.
+ // inputNode: DOMNode|String
+ // returns: Object
+
+ var ret = null;
+ inputNode = dom.byId(inputNode);
+ if(inputNode){
+ var _in = inputNode.name, type = (inputNode.type || "").toLowerCase();
+ if(_in && type && !inputNode.disabled){
+ if(type == "radio" || type == "checkbox"){
+ if(inputNode.checked){
+ ret = inputNode.value;
+ }
+ }else if(inputNode.multiple){
+ ret = [];
+ var nodes = [inputNode.firstChild];
+ while(nodes.length){
+ for(var node = nodes.pop(); node; node = node.nextSibling){
+ if(node.nodeType == 1 && node.tagName.toLowerCase() == "option"){
+ if(node.selected){
+ ret.push(node.value);
+ }
+ }else{
+ if(node.nextSibling){
+ nodes.push(node.nextSibling);
+ }
+ if(node.firstChild){
+ nodes.push(node.firstChild);
+ }
+ break;
+ }
+ }
+ }
+ }else{
+ ret = inputNode.value;
+ }
+ }
+ }
+ return ret; // Object
+ },
+
+ toObject: function formToObject(/*DOMNode|String*/ formNode){
+ // summary:
+ // Serialize a form node to a JavaScript object.
+ // description:
+ // Returns the values encoded in an HTML form as
+ // string properties in an object which it then returns. Disabled form
+ // elements, buttons, and other non-value form elements are skipped.
+ // Multi-select elements are returned as an array of string values.
+ // formNode: DOMNode|String
+ // example:
+ // This form:
+ // | <form id="test_form">
+ // | <input type="text" name="blah" value="blah">
+ // | <input type="text" name="no_value" value="blah" disabled>
+ // | <input type="button" name="no_value2" value="blah">
+ // | <select type="select" multiple name="multi" size="5">
+ // | <option value="blah">blah</option>
+ // | <option value="thud" selected>thud</option>
+ // | <option value="thonk" selected>thonk</option>
+ // | </select>
+ // | </form>
+ //
+ // yields this object structure as the result of a call to
+ // formToObject():
+ //
+ // | {
+ // | blah: "blah",
+ // | multi: [
+ // | "thud",
+ // | "thonk"
+ // | ]
+ // | };
+
+ var ret = {}, elems = dom.byId(formNode).elements;
+ for(var i = 0, l = elems.length; i < l; ++i){
+ var item = elems[i], _in = item.name, type = (item.type || "").toLowerCase();
+ if(_in && type && exclude.indexOf(type) < 0 && !item.disabled){
+ setValue(ret, _in, form.fieldToObject(item));
+ if(type == "image"){
+ ret[_in + ".x"] = ret[_in + ".y"] = ret[_in].x = ret[_in].y = 0;
+ }
+ }
+ }
+ return ret; // Object
+ },
+
+ toQuery: function formToQuery(/*DOMNode|String*/ formNode){
+ // summary:
+ // Returns a URL-encoded string representing the form passed as either a
+ // node or string ID identifying the form to serialize
+ // formNode: DOMNode|String
+ // returns: String
+
+ return ioq.objectToQuery(form.toObject(formNode)); // String
+ },
+
+ toJson: function formToJson(/*DOMNode|String*/ formNode, /*Boolean?*/ prettyPrint){
+ // summary:
+ // Create a serialized JSON string from a form node or string
+ // ID identifying the form to serialize
+ // formNode: DOMNode|String
+ // prettyPrint: Boolean?
+ // returns: String
+
+ return json.stringify(form.toObject(formNode), null, prettyPrint ? 4 : 0); // String
+ }
+ };
+
+ return form;
+});
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