X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/widgets/form/Action.js diff --git a/src/widgets/form/Action.js b/src/widgets/form/Action.js new file mode 100644 index 00000000..163395c7 --- /dev/null +++ b/src/widgets/form/Action.js @@ -0,0 +1,626 @@ +/*! + * Ext JS Library 3.0.0 + * Copyright(c) 2006-2009 Ext JS, LLC + * licensing@extjs.com + * http://www.extjs.com/license + */ +/** + * @class Ext.form.Action + *
The subclasses of this class provide actions to perform upon {@link Ext.form.BasicForm Form}s.
+ *Instances of this class are only created by a {@link Ext.form.BasicForm Form} when + * the Form needs to perform an action such as submit or load. The Configuration options + * listed for this class are set through the Form's action methods: {@link Ext.form.BasicForm#submit submit}, + * {@link Ext.form.BasicForm#load load} and {@link Ext.form.BasicForm#doAction doAction}
+ *The instance of Action which performed the action is passed to the success + * and failure callbacks of the Form's action methods ({@link Ext.form.BasicForm#submit submit}, + * {@link Ext.form.BasicForm#load load} and {@link Ext.form.BasicForm#doAction doAction}), + * and to the {@link Ext.form.BasicForm#actioncomplete actioncomplete} and + * {@link Ext.form.BasicForm#actionfailed actionfailed} event handlers.
+ */ +Ext.form.Action = function(form, options){ + this.form = form; + this.options = options || {}; +}; + +/** + * Failure type returned when client side validation of the Form fails + * thus aborting a submit action. Client side validation is performed unless + * {@link #clientValidation} is explicitly set to false. + * @type {String} + * @static + */ +Ext.form.Action.CLIENT_INVALID = 'client'; +/** + *Failure type returned when server side processing fails and the {@link #result}'s + * success property is set to false.
+ *In the case of a form submission, field-specific error messages may be returned in the + * {@link #result}'s errors property.
+ * @type {String} + * @static + */ +Ext.form.Action.SERVER_INVALID = 'server'; +/** + * Failure type returned when a communication error happens when attempting + * to send a request to the remote server. The {@link #response} may be examined to + * provide further information. + * @type {String} + * @static + */ +Ext.form.Action.CONNECT_FAILURE = 'connect'; +/** + * Failure type returned when the response's success + * property is set to false, or no field values are returned in the response's + * data property. + * @type {String} + * @static + */ +Ext.form.Action.LOAD_FAILURE = 'load'; + +Ext.form.Action.prototype = { +/** + * @cfg {String} url The URL that the Action is to invoke. + */ +/** + * @cfg {Boolean} reset When set to true, causes the Form to be + * {@link Ext.form.BasicForm.reset reset} on Action success. If specified, this happens + * before the {@link #success} callback is called and before the Form's + * {@link Ext.form.BasicForm.actioncomplete actioncomplete} event fires. + */ +/** + * @cfg {String} method The HTTP method to use to access the requested URL. Defaults to the + * {@link Ext.form.BasicForm}'s method, or if that is not specified, the underlying DOM form's method. + */ +/** + * @cfg {Mixed} paramsExtra parameter values to pass. These are added to the Form's + * {@link Ext.form.BasicForm#baseParams} and passed to the specified URL along with the Form's + * input fields.
+ *Parameters are encoded as standard HTTP parameters using {@link Ext#urlEncode}.
+ */ +/** + * @cfg {Number} timeout The number of seconds to wait for a server response before + * failing with the {@link #failureType} as {@link #Action.CONNECT_FAILURE}. If not specified, + * defaults to the configured {@link Ext.form.BasicForm#timeout timeout} of the + * {@link Ext.form.BasicForm form}. + */ +/** + * @cfg {Function} success The function to call when a valid success return packet is recieved. + * The function is passed the following parameters:
+var fp = new Ext.form.FormPanel({
+...
+buttons: [{
+ text: 'Save',
+ formBind: true,
+ handler: function(){
+ if(fp.getForm().isValid()){
+ fp.getForm().submit({
+ url: 'form-submit.php',
+ waitMsg: 'Submitting your data...',
+ success: function(form, action){
+ // server responded with success = true
+ var result = action.{@link #result};
+ },
+ failure: function(form, action){
+ if (action.{@link #failureType} === Ext.form.Action.{@link #CONNECT_FAILURE}) {
+ Ext.Msg.alert('Error',
+ 'Status:'+action.{@link #response}.status+': '+
+ action.{@link #response}.statusText);
+ }
+ if (action.failureType === Ext.form.Action.{@link #SERVER_INVALID}){
+ // server responded with success = false
+ Ext.Msg.alert('Invalid', action.{@link #result}.errormsg);
+ }
+ }
+ });
+ }
+ }
+},{
+ text: 'Reset',
+ handler: function(){
+ fp.getForm().reset();
+ }
+}]
+ *
+ * @property failureType
+ * @type {String}
+ */
+ /**
+ * The XMLHttpRequest object used to perform the action.
+ * @property response
+ * @type {Object}
+ */
+ /**
+ * The decoded response object containing a boolean success property and
+ * other, action-specific properties.
+ * @property result
+ * @type {Object}
+ */
+
+ // interface method
+ run : function(options){
+
+ },
+
+ // interface method
+ success : function(response){
+
+ },
+
+ // interface method
+ handleResponse : function(response){
+
+ },
+
+ // default connection failure
+ failure : function(response){
+ this.response = response;
+ this.failureType = Ext.form.Action.CONNECT_FAILURE;
+ this.form.afterAction(this, false);
+ },
+
+ // private
+ // shared code among all Actions to validate that there was a response
+ // with either responseText or responseXml
+ processResponse : function(response){
+ this.response = response;
+ if(!response.responseText && !response.responseXML){
+ return true;
+ }
+ this.result = this.handleResponse(response);
+ return this.result;
+ },
+
+ // utility functions used internally
+ getUrl : function(appendParams){
+ var url = this.options.url || this.form.url || this.form.el.dom.action;
+ if(appendParams){
+ var p = this.getParams();
+ if(p){
+ url = Ext.urlAppend(url, p);
+ }
+ }
+ return url;
+ },
+
+ // private
+ getMethod : function(){
+ return (this.options.method || this.form.method || this.form.el.dom.method || 'POST').toUpperCase();
+ },
+
+ // private
+ getParams : function(){
+ var bp = this.form.baseParams;
+ var p = this.options.params;
+ if(p){
+ if(typeof p == "object"){
+ p = Ext.urlEncode(Ext.applyIf(p, bp));
+ }else if(typeof p == 'string' && bp){
+ p += '&' + Ext.urlEncode(bp);
+ }
+ }else if(bp){
+ p = Ext.urlEncode(bp);
+ }
+ return p;
+ },
+
+ // private
+ createCallback : function(opts){
+ var opts = opts || {};
+ return {
+ success: this.success,
+ failure: this.failure,
+ scope: this,
+ timeout: (opts.timeout*1000) || (this.form.timeout*1000),
+ upload: this.form.fileUpload ? this.success : undefined
+ };
+ }
+};
+
+/**
+ * @class Ext.form.Action.Submit
+ * @extends Ext.form.Action
+ * A class which handles submission of data from {@link Ext.form.BasicForm Form}s + * and processes the returned response.
+ *Instances of this class are only created by a {@link Ext.form.BasicForm Form} when + * {@link Ext.form.BasicForm#submit submit}ting.
+ *Response Packet Criteria
+ *A response packet may contain: + *
success
property : Boolean
+ * success
property is required.errors
property : Object
+ * errors
property,
+ * which is optional, contains error messages for invalid fields.JSON Packets
+ *By default, response packets are assumed to be JSON, so a typical response + * packet may look like this:
+{
+ success: false,
+ errors: {
+ clientCode: "Client not found",
+ portOfLoading: "This field must not be null"
+ }
+}
+ * Other data may be placed into the response for processing by the {@link Ext.form.BasicForm}'s callback + * or event handler methods. The object decoded from this JSON is available in the + * {@link Ext.form.Action#result result} property.
+ *Alternatively, if an {@link #errorReader} is specified as an {@link Ext.data.XmlReader XmlReader}:
+ errorReader: new Ext.data.XmlReader({
+ record : 'field',
+ success: '@success'
+ }, [
+ 'id', 'msg'
+ ]
+ )
+
+ * then the results may be sent back in XML format:
+<?xml version="1.0" encoding="UTF-8"?>
+<message success="false">
+<errors>
+ <field>
+ <id>clientCode</id>
+ <msg><![CDATA[Code not found. <br /><i>This is a test validation message from the server </i>]]></msg>
+ </field>
+ <field>
+ <id>portOfLoading</id>
+ <msg><![CDATA[Port not found. <br /><i>This is a test validation message from the server </i>]]></msg>
+ </field>
+</errors>
+</message>
+
+ * Other elements may be placed into the response XML for processing by the {@link Ext.form.BasicForm}'s callback + * or event handler methods. The XML document is available in the {@link #errorReader}'s {@link Ext.data.XmlReader#xmlData xmlData} property.
+ */ +Ext.form.Action.Submit = function(form, options){ + Ext.form.Action.Submit.superclass.constructor.call(this, form, options); +}; + +Ext.extend(Ext.form.Action.Submit, Ext.form.Action, { + /** + * @cfg {Ext.data.DataReader} errorReaderOptional. JSON is interpreted with + * no need for an errorReader.
+ *A Reader which reads a single record from the returned data. The DataReader's + * success property specifies how submission success is determined. The Record's + * data provides the error messages to apply to any invalid form Fields.
+ */ + /** + * @cfg {boolean} clientValidation Determines whether a Form's fields are validated + * in a final call to {@link Ext.form.BasicForm#isValid isValid} prior to submission. + * Pass false in the Form's submit options to prevent this. If not defined, pre-submission field validation + * is performed. + */ + type : 'submit', + + // private + run : function(){ + var o = this.options; + var method = this.getMethod(); + var isGet = method == 'GET'; + if(o.clientValidation === false || this.form.isValid()){ + Ext.Ajax.request(Ext.apply(this.createCallback(o), { + form:this.form.el.dom, + url:this.getUrl(isGet), + method: method, + headers: o.headers, + params:!isGet ? this.getParams() : null, + isUpload: this.form.fileUpload + })); + }else if (o.clientValidation !== false){ // client validation failed + this.failureType = Ext.form.Action.CLIENT_INVALID; + this.form.afterAction(this, false); + } + }, + + // private + success : function(response){ + var result = this.processResponse(response); + if(result === true || result.success){ + this.form.afterAction(this, true); + return; + } + if(result.errors){ + this.form.markInvalid(result.errors); + this.failureType = Ext.form.Action.SERVER_INVALID; + } + this.form.afterAction(this, false); + }, + + // private + handleResponse : function(response){ + if(this.form.errorReader){ + var rs = this.form.errorReader.read(response); + var errors = []; + if(rs.records){ + for(var i = 0, len = rs.records.length; i < len; i++) { + var r = rs.records[i]; + errors[i] = r.data; + } + } + if(errors.length < 1){ + errors = null; + } + return { + success : rs.success, + errors : errors + }; + } + return Ext.decode(response.responseText); + } +}); + + +/** + * @class Ext.form.Action.Load + * @extends Ext.form.Action + *A class which handles loading of data from a server into the Fields of an {@link Ext.form.BasicForm}.
+ *Instances of this class are only created by a {@link Ext.form.BasicForm Form} when + * {@link Ext.form.BasicForm#load load}ing.
+ *Response Packet Criteria
+ *A response packet must contain: + *
success
property : Booleandata
property : Objectdata
property contains the values of Fields to load.
+ * The individual value object for each Field is passed to the Field's
+ * {@link Ext.form.Field#setValue setValue} method.JSON Packets
+ *By default, response packets are assumed to be JSON, so for the following form load call:
+var myFormPanel = new Ext.form.FormPanel({
+ title: 'Client and routing info',
+ items: [{
+ fieldLabel: 'Client',
+ name: 'clientName'
+ }, {
+ fieldLabel: 'Port of loading',
+ name: 'portOfLoading'
+ }, {
+ fieldLabel: 'Port of discharge',
+ name: 'portOfDischarge'
+ }]
+});
+myFormPanel.{@link Ext.form.FormPanel#getForm getForm}().{@link Ext.form.BasicForm#load load}({
+ url: '/getRoutingInfo.php',
+ params: {
+ consignmentRef: myConsignmentRef
+ },
+ failure: function(form, action() {
+ Ext.Msg.alert("Load failed", action.result.errorMessage);
+ }
+});
+
+ * a success response packet may look like this:
+{
+ success: true,
+ data: {
+ clientName: "Fred. Olsen Lines",
+ portOfLoading: "FXT",
+ portOfDischarge: "OSL"
+ }
+}
+ * while a failure response packet may look like this:
+{
+ success: false,
+ errorMessage: "Consignment reference not found"
+}
+ * Other data may be placed into the response for processing the {@link Ext.form.BasicForm Form}'s + * callback or event handler methods. The object decoded from this JSON is available in the + * {@link Ext.form.Action#result result} property.
+ */ +Ext.form.Action.Load = function(form, options){ + Ext.form.Action.Load.superclass.constructor.call(this, form, options); + this.reader = this.form.reader; +}; + +Ext.extend(Ext.form.Action.Load, Ext.form.Action, { + // private + type : 'load', + + // private + run : function(){ + Ext.Ajax.request(Ext.apply( + this.createCallback(this.options), { + method:this.getMethod(), + url:this.getUrl(false), + headers: this.options.headers, + params:this.getParams() + })); + }, + + // private + success : function(response){ + var result = this.processResponse(response); + if(result === true || !result.success || !result.data){ + this.failureType = Ext.form.Action.LOAD_FAILURE; + this.form.afterAction(this, false); + return; + } + this.form.clearInvalid(); + this.form.setValues(result.data); + this.form.afterAction(this, true); + }, + + // private + handleResponse : function(response){ + if(this.form.reader){ + var rs = this.form.reader.read(response); + var data = rs.records && rs.records[0] ? rs.records[0].data : null; + return { + success : rs.success, + data : data + }; + } + return Ext.decode(response.responseText); + } +}); + + + +/** + * @class Ext.form.Action.DirectLoad + * @extends Ext.form.Action.Load + * Provides Ext.direct support for loading form data. This example illustrates usage + * of Ext.Direct to load a submit a form through Ext.Direct. + *
+var myFormPanel = new Ext.form.FormPanel({
+ // configs for FormPanel
+ title: 'Basic Information',
+ border: false,
+ padding: 10,
+ buttons:[{
+ text: 'Submit',
+ handler: function(){
+ basicInfo.getForm().submit({
+ params: {
+ uid: 5
+ }
+ });
+ }
+ }],
+
+ // configs apply to child items
+ defaults: {anchor: '100%'},
+ defaultType: 'textfield',
+ items: [
+ // form fields go here
+ ],
+
+ // configs for BasicForm
+ api: {
+ load: Profile.getBasicInfo,
+ // The server-side must mark the submit handler as a 'formHandler'
+ submit: Profile.updateBasicInfo
+ },
+ paramOrder: ['uid']
+});
+
+// load the form
+myFormPanel.getForm().load({
+ params: {
+ uid: 5
+ }
+});
+ *
+ */
+Ext.form.Action.DirectLoad = Ext.extend(Ext.form.Action.Load, {
+ constructor: function(form, opts) {
+ Ext.form.Action.DirectLoad.superclass.constructor.call(this, form, opts);
+ },
+ type: 'directload',
+
+ run : function(){
+ var args = this.getParams();
+ args.push(this.success, this);
+ this.form.api.load.apply(window, args);
+ },
+
+ getParams: function() {
+ var buf = [], o = {};
+ var bp = this.form.baseParams;
+ var p = this.options.params;
+ Ext.apply(o, p, bp);
+ var paramOrder = this.form.paramOrder;
+ if(paramOrder){
+ for(var i = 0, len = paramOrder.length; i < len; i++){
+ buf.push(o[paramOrder[i]]);
+ }
+ }else if(this.form.paramsAsHash){
+ buf.push(o);
+ }
+ return buf;
+ },
+ // Direct actions have already been processed and therefore
+ // we can directly set the result; Direct Actions do not have
+ // a this.response property.
+ processResponse: function(result) {
+ this.result = result;
+ return result;
+ }
+});
+
+/**
+ * @class Ext.form.Action.DirectSubmit
+ * @extends Ext.form.Action.Submit
+ * Provides Ext.direct support for submitting form data.
+ * See {@link Ext.form.Action.DirectLoad}.
+ */
+Ext.form.Action.DirectSubmit = Ext.extend(Ext.form.Action.Submit, {
+ constructor: function(form, opts) {
+ Ext.form.Action.DirectSubmit.superclass.constructor.call(this, form, opts);
+ },
+ type: 'directsubmit',
+ // override of Submit
+ run : function(){
+ var o = this.options;
+ if(o.clientValidation === false || this.form.isValid()){
+ // tag on any additional params to be posted in the
+ // form scope
+ this.success.params = this.getParams();
+ this.form.api.submit(this.form.el.dom, this.success, this);
+ }else if (o.clientValidation !== false){ // client validation failed
+ this.failureType = Ext.form.Action.CLIENT_INVALID;
+ this.form.afterAction(this, false);
+ }
+ },
+
+ getParams: function() {
+ var o = {};
+ var bp = this.form.baseParams;
+ var p = this.options.params;
+ Ext.apply(o, p, bp);
+ return o;
+ },
+ // Direct actions have already been processed and therefore
+ // we can directly set the result; Direct Actions do not have
+ // a this.response property.
+ processResponse: function(result) {
+ this.result = result;
+ return result;
+ }
+});
+
+
+Ext.form.Action.ACTION_TYPES = {
+ 'load' : Ext.form.Action.Load,
+ 'submit' : Ext.form.Action.Submit,
+ 'directload': Ext.form.Action.DirectLoad,
+ 'directsubmit': Ext.form.Action.DirectSubmit
+};