docs/source/Action2.html

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  18   <pre class="prettyprint lang-js"><span id='Ext-form-action-Action'>/**
  19 </span> * @class Ext.form.action.Action
  20  * @extends Ext.Base
  21  * &lt;p&gt;The subclasses of this class provide actions to perform upon {@link Ext.form.Basic Form}s.&lt;/p&gt;
  22  * &lt;p&gt;Instances of this class are only created by a {@link Ext.form.Basic Form} when
  23  * the Form needs to perform an action such as submit or load. The Configuration options
  24  * listed for this class are set through the Form's action methods: {@link Ext.form.Basic#submit submit},
  25  * {@link Ext.form.Basic#load load} and {@link Ext.form.Basic#doAction doAction}&lt;/p&gt;
  26  * &lt;p&gt;The instance of Action which performed the action is passed to the success
  27  * and failure callbacks of the Form's action methods ({@link Ext.form.Basic#submit submit},
  28  * {@link Ext.form.Basic#load load} and {@link Ext.form.Basic#doAction doAction}),
  29  * and to the {@link Ext.form.Basic#actioncomplete actioncomplete} and
  30  * {@link Ext.form.Basic#actionfailed actionfailed} event handlers.&lt;/p&gt;
  31  */
  32 Ext.define('Ext.form.action.Action', {
  33     alternateClassName: 'Ext.form.Action',
  34
  35 <span id='Ext-form-action-Action-cfg-form'>    /**
  36 </span>     * @cfg {Ext.form.Basic} form The {@link Ext.form.Basic BasicForm} instance that
  37      * is invoking this Action. Required.
  38      */
  39
  40 <span id='Ext-form-action-Action-cfg-url'>    /**
  41 </span>     * @cfg {String} url The URL that the Action is to invoke. Will default to the {@link Ext.form.Basic#url url}
  42      * configured on the {@link #form}.
  43      */
  44
  45 <span id='Ext-form-action-Action-cfg-reset'>    /**
  46 </span>     * @cfg {Boolean} reset When set to &lt;tt&gt;&lt;b&gt;true&lt;/b&gt;&lt;/tt&gt;, causes the Form to be
  47      * {@link Ext.form.Basic#reset reset} on Action success. If specified, this happens
  48      * before the {@link #success} callback is called and before the Form's
  49      * {@link Ext.form.Basic#actioncomplete actioncomplete} event fires.
  50      */
  51
  52 <span id='Ext-form-action-Action-cfg-method'>    /**
  53 </span>     * @cfg {String} method The HTTP method to use to access the requested URL. Defaults to the
  54      * {@link Ext.form.Basic#method BasicForm's method}, or 'POST' if not specified.
  55      */
  56
  57 <span id='Ext-form-action-Action-cfg-params'>    /**
  58 </span>     * @cfg {Object/String} params &lt;p&gt;Extra parameter values to pass. These are added to the Form's
  59      * {@link Ext.form.Basic#baseParams} and passed to the specified URL along with the Form's
  60      * input fields.&lt;/p&gt;
  61      * &lt;p&gt;Parameters are encoded as standard HTTP parameters using {@link Ext#urlEncode Ext.Object.toQueryString}.&lt;/p&gt;
  62      */
  63
  64 <span id='Ext-form-action-Action-cfg-headers'>    /**
  65 </span>     * @cfg {Object} headers &lt;p&gt;Extra headers to be sent in the AJAX request for submit and load actions. See
  66      * {@link Ext.data.proxy.Ajax#headers}.&lt;/p&gt;
  67      */
  68
  69 <span id='Ext-form-action-Action-cfg-timeout'>    /**
  70 </span>     * @cfg {Number} timeout The number of seconds to wait for a server response before
  71      * failing with the {@link #failureType} as {@link Ext.form.action.Action#CONNECT_FAILURE}. If not specified,
  72      * defaults to the configured &lt;tt&gt;{@link Ext.form.Basic#timeout timeout}&lt;/tt&gt; of the
  73      * {@link #form}.
  74      */
  75
  76 <span id='Ext-form-action-Action-cfg-success'>    /**
  77 </span>     * @cfg {Function} success The function to call when a valid success return packet is received.
  78      * The function is passed the following parameters:&lt;ul class=&quot;mdetail-params&quot;&gt;
  79      * &lt;li&gt;&lt;b&gt;form&lt;/b&gt; : Ext.form.Basic&lt;div class=&quot;sub-desc&quot;&gt;The form that requested the action&lt;/div&gt;&lt;/li&gt;
  80      * &lt;li&gt;&lt;b&gt;action&lt;/b&gt; : Ext.form.action.Action&lt;div class=&quot;sub-desc&quot;&gt;The Action class. The {@link #result}
  81      * property of this object may be examined to perform custom postprocessing.&lt;/div&gt;&lt;/li&gt;
  82      * &lt;/ul&gt;
  83      */
  84
  85 <span id='Ext-form-action-Action-cfg-failure'>    /**
  86 </span>     * @cfg {Function} failure The function to call when a failure packet was received, or when an
  87      * error ocurred in the Ajax communication.
  88      * The function is passed the following parameters:&lt;ul class=&quot;mdetail-params&quot;&gt;
  89      * &lt;li&gt;&lt;b&gt;form&lt;/b&gt; : Ext.form.Basic&lt;div class=&quot;sub-desc&quot;&gt;The form that requested the action&lt;/div&gt;&lt;/li&gt;
  90      * &lt;li&gt;&lt;b&gt;action&lt;/b&gt; : Ext.form.action.Action&lt;div class=&quot;sub-desc&quot;&gt;The Action class. If an Ajax
  91      * error ocurred, the failure type will be in {@link #failureType}. The {@link #result}
  92      * property of this object may be examined to perform custom postprocessing.&lt;/div&gt;&lt;/li&gt;
  93      * &lt;/ul&gt;
  94      */
  95
  96 <span id='Ext-form-action-Action-cfg-scope'>    /**
  97 </span>     * @cfg {Object} scope The scope in which to call the configured &lt;tt&gt;success&lt;/tt&gt; and &lt;tt&gt;failure&lt;/tt&gt;
  98      * callback functions (the &lt;tt&gt;this&lt;/tt&gt; reference for the callback functions).
  99      */
 100
 101 <span id='Ext-form-action-Action-cfg-waitMsg'>    /**
 102 </span>     * @cfg {String} waitMsg The message to be displayed by a call to {@link Ext.window.MessageBox#wait}
 103      * during the time the action is being processed.
 104      */
 105
 106 <span id='Ext-form-action-Action-cfg-waitTitle'>    /**
 107 </span>     * @cfg {String} waitTitle The title to be displayed by a call to {@link Ext.window.MessageBox#wait}
 108      * during the time the action is being processed.
 109      */
 110
 111 <span id='Ext-form-action-Action-cfg-submitEmptyText'>    /**
 112 </span>     * @cfg {Boolean} submitEmptyText If set to &lt;tt&gt;true&lt;/tt&gt;, the emptyText value will be sent with the form
 113      * when it is submitted. Defaults to &lt;tt&gt;true&lt;/tt&gt;.
 114      */
 115     submitEmptyText : true,
 116 <span id='Ext-form-action-Action-property-type'>    /**
 117 </span>     * @property type
 118      * The type of action this Action instance performs.
 119      * Currently only &quot;submit&quot; and &quot;load&quot; are supported.
 120      * @type {String}
 121      */
 122
 123 <span id='Ext-form-action-Action-property-failureType'>    /**
 124 </span>     * The type of failure detected will be one of these: {@link Ext.form.action.Action#CLIENT_INVALID},
 125      * {@link Ext.form.action.Action#SERVER_INVALID}, {@link Ext.form.action.Action#CONNECT_FAILURE}, or
 126      * {@link Ext.form.action.Action#LOAD_FAILURE}.  Usage:
 127      * &lt;pre&gt;&lt;code&gt;
 128 var fp = new Ext.form.Panel({
 129 ...
 130 buttons: [{
 131     text: 'Save',
 132     formBind: true,
 133     handler: function(){
 134         if(fp.getForm().isValid()){
 135             fp.getForm().submit({
 136                 url: 'form-submit.php',
 137                 waitMsg: 'Submitting your data...',
 138                 success: function(form, action){
 139                     // server responded with success = true
 140                     var result = action.{@link #result};
 141                 },
 142                 failure: function(form, action){
 143                     if (action.{@link #failureType} === {@link Ext.form.action.Action#CONNECT_FAILURE}) {
 144                         Ext.Msg.alert('Error',
 145                             'Status:'+action.{@link #response}.status+': '+
 146                             action.{@link #response}.statusText);
 147                     }
 148                     if (action.failureType === {@link Ext.form.action.Action#SERVER_INVALID}){
 149                         // server responded with success = false
 150                         Ext.Msg.alert('Invalid', action.{@link #result}.errormsg);
 151                     }
 152                 }
 153             });
 154         }
 155     }
 156 },{
 157     text: 'Reset',
 158     handler: function(){
 159         fp.getForm().reset();
 160     }
 161 }]
 162      * &lt;/code&gt;&lt;/pre&gt;
 163      * @property failureType
 164      * @type {String}
 165      */
 166
 167 <span id='Ext-form-action-Action-property-response'>    /**
 168 </span>     * The raw XMLHttpRequest object used to perform the action.
 169      * @property response
 170      * @type {Object}
 171      */
 172
 173 <span id='Ext-form-action-Action-property-result'>    /**
 174 </span>     * The decoded response object containing a boolean &lt;tt&gt;success&lt;/tt&gt; property and
 175      * other, action-specific properties.
 176      * @property result
 177      * @type {Object}
 178      */
 179
 180 <span id='Ext-form-action-Action-method-constructor'>    /**
 181 </span>     * Creates new Action.
 182      * @param {Object} config (optional) Config object.
 183      */
 184     constructor: function(config) {
 185         if (config) {
 186             Ext.apply(this, config);
 187         }
 188
 189         // Normalize the params option to an Object
 190         var params = config.params;
 191         if (Ext.isString(params)) {
 192             this.params = Ext.Object.fromQueryString(params);
 193         }
 194     },
 195
 196 <span id='Ext-form-action-Action-property-run'>    /**
 197 </span>     * Invokes this action using the current configuration.
 198      */
 199     run: Ext.emptyFn,
 200
 201 <span id='Ext-form-action-Action-method-onSuccess'>    /**
 202 </span>     * @private
 203      * @method onSuccess
 204      * Callback method that gets invoked when the action completes successfully. Must be implemented by subclasses.
 205      * @param {Object} response
 206      */
 207
 208 <span id='Ext-form-action-Action-method-handleResponse'>    /**
 209 </span>     * @private
 210      * @method handleResponse
 211      * Handles the raw response and builds a result object from it. Must be implemented by subclasses.
 212      * @param {Object} response
 213      */
 214
 215 <span id='Ext-form-action-Action-method-onFailure'>    /**
 216 </span>     * @private
 217      * Handles a failure response.
 218      * @param {Object} response
 219      */
 220     onFailure : function(response){
 221         this.response = response;
 222         this.failureType = Ext.form.action.Action.CONNECT_FAILURE;
 223         this.form.afterAction(this, false);
 224     },
 225
 226 <span id='Ext-form-action-Action-method-processResponse'>    /**
 227 </span>     * @private
 228      * Validates that a response contains either responseText or responseXML and invokes
 229      * {@link #handleResponse} to build the result object.
 230      * @param {Object} response The raw response object.
 231      * @return {Object/Boolean} result The result object as built by handleResponse, or &lt;tt&gt;true&lt;/tt&gt; if
 232      *                         the response had empty responseText and responseXML.
 233      */
 234     processResponse : function(response){
 235         this.response = response;
 236         if (!response.responseText &amp;&amp; !response.responseXML) {
 237             return true;
 238         }
 239         return (this.result = this.handleResponse(response));
 240     },
 241
 242 <span id='Ext-form-action-Action-method-getUrl'>    /**
 243 </span>     * @private
 244      * Build the URL for the AJAX request. Used by the standard AJAX submit and load actions.
 245      * @return {String} The URL.
 246      */
 247     getUrl: function() {
 248         return this.url || this.form.url;
 249     },
 250
 251 <span id='Ext-form-action-Action-method-getMethod'>    /**
 252 </span>     * @private
 253      * Determine the HTTP method to be used for the request.
 254      * @return {String} The HTTP method
 255      */
 256     getMethod: function() {
 257         return (this.method || this.form.method || 'POST').toUpperCase();
 258     },
 259
 260 <span id='Ext-form-action-Action-method-getParams'>    /**
 261 </span>     * @private
 262      * Get the set of parameters specified in the BasicForm's baseParams and/or the params option.
 263      * Items in params override items of the same name in baseParams.
 264      * @return {Object} the full set of parameters
 265      */
 266     getParams: function() {
 267         return Ext.apply({}, this.params, this.form.baseParams);
 268     },
 269
 270 <span id='Ext-form-action-Action-method-createCallback'>    /**
 271 </span>     * @private
 272      * Creates a callback object.
 273      */
 274     createCallback: function() {
 275         var me = this,
 276             undef,
 277             form = me.form;
 278         return {
 279             success: me.onSuccess,
 280             failure: me.onFailure,
 281             scope: me,
 282             timeout: (this.timeout * 1000) || (form.timeout * 1000),
 283             upload: form.fileUpload ? me.onSuccess : undef
 284         };
 285     },
 286
 287     statics: {
 288 <span id='Ext-form-action-Action-static-property-CLIENT_INVALID'>        /**
 289 </span>         * @property CLIENT_INVALID
 290          * Failure type returned when client side validation of the Form fails
 291          * thus aborting a submit action. Client side validation is performed unless
 292          * {@link Ext.form.action.Submit#clientValidation} is explicitly set to &lt;tt&gt;false&lt;/tt&gt;.
 293          * @type {String}
 294          * @static
 295          */
 296         CLIENT_INVALID: 'client',
 297
 298 <span id='Ext-form-action-Action-static-property-SERVER_INVALID'>        /**
 299 </span>         * @property SERVER_INVALID
 300          * &lt;p&gt;Failure type returned when server side processing fails and the {@link #result}'s
 301          * &lt;tt&gt;success&lt;/tt&gt; property is set to &lt;tt&gt;false&lt;/tt&gt;.&lt;/p&gt;
 302          * &lt;p&gt;In the case of a form submission, field-specific error messages may be returned in the
 303          * {@link #result}'s &lt;tt&gt;errors&lt;/tt&gt; property.&lt;/p&gt;
 304          * @type {String}
 305          * @static
 306          */
 307         SERVER_INVALID: 'server',
 308
 309 <span id='Ext-form-action-Action-static-property-CONNECT_FAILURE'>        /**
 310 </span>         * @property CONNECT_FAILURE
 311          * Failure type returned when a communication error happens when attempting
 312          * to send a request to the remote server. The {@link #response} may be examined to
 313          * provide further information.
 314          * @type {String}
 315          * @static
 316          */
 317         CONNECT_FAILURE: 'connect',
 318
 319 <span id='Ext-form-action-Action-static-property-LOAD_FAILURE'>        /**
 320 </span>         * @property LOAD_FAILURE
 321          * Failure type returned when the response's &lt;tt&gt;success&lt;/tt&gt;
 322          * property is set to &lt;tt&gt;false&lt;/tt&gt;, or no field values are returned in the response's
 323          * &lt;tt&gt;data&lt;/tt&gt; property.
 324          * @type {String}
 325          * @static
 326          */
 327         LOAD_FAILURE: 'load'
 328
 329
 330     }
 331 });
 332 </pre>
 333 </body>
 334 </html>