1 <div xmlns:ext="http://www.extjs.com" class="body-wrap"><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.util.Observable.html" ext:member="" ext:cls="Ext.util.Observable">Observable</a> <img src="resources/elbow-end.gif"><a href="output/Ext.data.DataProxy.html" ext:member="" ext:cls="Ext.data.DataProxy">DataProxy</a> <img src="resources/elbow-end.gif">HttpProxy</pre></div><h1>Class <a href="source/HttpProxy.html#cls-Ext.data.HttpProxy">Ext.data.HttpProxy</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.data</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">HttpProxy.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/HttpProxy.html#cls-Ext.data.HttpProxy">HttpProxy</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.data.DataProxy.html" ext:cls="Ext.data.DataProxy" ext:member="">DataProxy</a></td></tr></table><div class="description"><p>An implementation of <a href="output/Ext.data.DataProxy.html" ext:cls="Ext.data.DataProxy">Ext.data.DataProxy</a> that processes data requests within the same
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2 domain of the originating page.</p>
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3 <p><b>Note</b>: this class cannot be used to retrieve data from a domain other
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4 than the domain from which the running page was served. For cross-domain requests, use a
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5 <a href="output/Ext.data.ScriptTagProxy.html" ext:cls="Ext.data.ScriptTagProxy">ScriptTagProxy</a>.</p>
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6 <p>Be aware that to enable the browser to parse an XML document, the server must set
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7 the Content-Type header in the HTTP response to "<tt>text/xml</tt>".</p></div><div class="hr"></div><a id="Ext.data.HttpProxy-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-api"></a><b><a href="source/DataProxy.html#cfg-Ext.data.DataProxy-api">api</a></b> : Object<div class="mdesc"><div class="short">Specific urls to call on CRUD action methods "read", "create", "update" and "destroy".
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8 Defaults to:api: {
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9 read ...</div><div class="long">Specific urls to call on CRUD action methods "read", "create", "update" and "destroy".
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10 Defaults to:<pre><code>api: {
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16 <p>The url is built based upon the action being executed <tt>[load|create|save|destroy]</tt>
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17 using the commensurate <tt><a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-api" ext:member="api" ext:cls="Ext.data.DataProxy">api</a></tt> property, or if undefined default to the
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18 configured <a href="output/Ext.data.Store.html" ext:cls="Ext.data.Store">Ext.data.Store</a>.<a href="output/Ext.data.Store.html#Ext.data.Store-url" ext:member="url" ext:cls="Ext.data.Store">url</a>.</p><br>
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21 load : <em>'/controller/load'</em>,
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22 create : <em>'/controller/<b>new</b>'</em>, <i>// Server MUST <b>return</b> idProperty of <b>new</b> record
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23 save : <em>'/controller/update'</em>,
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24 destroy : <em>'/controller/destroy_action'</em>
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27 <i>// Alternatively, one can use the object-form to specify each API-action
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29 load: {url: <em>'read.php'</em>, method: <em>'GET'</em>},
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30 create: <em>'create.php'</em>,
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31 destroy: <em>'destroy.php'</em>,
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32 save: <em>'update.php'</em>
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34 <p>If the specific URL for a given CRUD action is undefined, the CRUD action request
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35 will be directed to the configured <tt><a href="output/Ext.data.Connection.html#Ext.data.Connection-url" ext:member="url" ext:cls="Ext.data.Connection">url</a></tt>.</p>
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36 <br><p><b>Note</b>: To modify the URL for an action dynamically the appropriate API
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37 property should be modified before the action is requested using the corresponding before
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38 action event. For example to modify the URL associated with the load action:
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39 <pre><code><i>// modify the url <b>for</b> the action
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42 fn: <b>function</b> (store, options) {
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43 <i>// use <tt><a href="output/Ext.data.HttpProxy.html#Ext.data.HttpProxy-setUrl" ext:member="setUrl" ext:cls="Ext.data.HttpProxy">setUrl</a></tt> to change the URL <b>for</b> *just* this request.
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44 store.proxy.setUrl(<em>'changed1.php'</em>);
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46 <i>// set optional second parameter to true to make this URL change
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47 <i>// permanent, applying this URL <b>for</b> all subsequent requests.
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48 store.proxy.setUrl(<em>'changed1.php'</em>, true);
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50 <i>// Altering the proxy API should be done using the public
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51 <i>// method <tt><a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-setApi" ext:member="setApi" ext:cls="Ext.data.DataProxy">setApi</a></tt>.
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52 store.proxy.setApi(<em>'read'</em>, <em>'changed2.php'</em>);
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54 <i>// Or set the entire API <b>with</b> a config-object.
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55 <i>// When using the config-object option, you must redefine the <b>entire</b>
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56 <i>// API -- not just a specific action of it.
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57 store.proxy.setApi({
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58 read : <em>'changed_read.php'</em>,
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59 create : <em>'changed_create.php'</em>,
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60 update : <em>'changed_update.php'</em>,
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61 destroy : <em>'changed_destroy.php'</em>
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66 </p></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#api" ext:member="#api" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-doRequest"></a><b><a href="source/DataProxy.html#cfg-Ext.data.DataProxy-doRequest">doRequest</a></b> : Function<div class="mdesc"><div class="short">Abstract method that should be implemented in all subclasses. Note: Should only be used by custom-proxy developers. ...</div><div class="long">Abstract method that should be implemented in all subclasses. <b>Note:</b> Should only be used by custom-proxy developers.
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67 (e.g.: <a href="output/Ext.data.HttpProxy.html#Ext.data.HttpProxy-doRequest" ext:member="doRequest" ext:cls="Ext.data.HttpProxy">HttpProxy.doRequest</a>,
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68 <a href="output/Ext.data.DirectProxy.html#Ext.data.DirectProxy-doRequest" ext:member="doRequest" ext:cls="Ext.data.DirectProxy">DirectProxy.doRequest</a>).</div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#doRequest" ext:member="#doRequest" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-listeners"></a><b><a href="source/Observable.html#cfg-Ext.util.Observable-listeners">listeners</a></b> : Object<div class="mdesc"><div class="short">A config object containing one or more event handlers to be added to this
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69 object during initialization. This should ...</div><div class="long"><p>A config object containing one or more event handlers to be added to this
70 object during initialization. This should be a valid listeners config object as specified in the
71 <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a> example for attaching multiple handlers at once.</p>
72 <br><p><b><u>DOM events from ExtJs <a href="output/Ext.Component.html" ext:cls="Ext.Component">Components</a></u></b></p>
73 <br><p>While <i>some</i> ExtJs Component classes export selected DOM events (e.g. "click", "mouseover" etc), this
74 is usually only done when extra value can be added. For example the <a href="output/Ext.DataView.html" ext:cls="Ext.DataView">DataView</a>'s
75 <b><code><a href="output/Ext.DataView.html#Ext.DataView-click" ext:member="click" ext:cls="Ext.DataView">click</a></code></b> event passing the node clicked on. To access DOM
76 events directly from a Component's HTMLElement, listeners must be added to the <i><a href="output/Ext.Component.html#Ext.Component-getEl" ext:member="getEl" ext:cls="Ext.Component">Element</a></i> after the Component
77 has been rendered. A plugin can simplify this step:<pre><code><i>// Plugin is configured <b>with</b> a listeners config object.</i>
78 <i>// The Component is appended to the argument list of all handler functions.</i>
79 Ext.DomObserver = Ext.extend(Object, {
80 constructor: <b>function</b>(config) {
81 this.listeners = config.listeners ? config.listeners : config;
84 <i>// Component passes itself into plugin's init method</i>
85 init: <b>function</b>(c) {
86 <b>var</b> p, l = this.listeners;
87 <b>for</b> (p <b>in</b> l) {
88 <b>if</b> (Ext.isFunction(l[p])) {
89 l[p] = this.createHandler(l[p], c);
91 l[p].fn = this.createHandler(l[p].fn, c);
95 <i>// Add the listeners to the Element immediately following the render call</i>
96 c.render = c.render.<a href="output/Function.html#Function-createSequence" ext:member="createSequence" ext:cls="Function">createSequence</a>(<b>function</b>() {
97 <b>var</b> e = c.getEl();
104 createHandler: <b>function</b>(fn, c) {
105 <b>return</b> <b>function</b>(e) {
111 <b>var</b> combo = <b>new</b> Ext.form.ComboBox({
113 <i>// Collapse combo when its element is clicked on</i>
114 plugins: [ <b>new</b> Ext.DomObserver({
115 click: <b>function</b>(evt, comp) {
121 mode: <em>'local'</em>,
122 triggerAction: <em>'all'</em>
123 });</code></pre></p></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#listeners" ext:member="#listeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-onRead"></a><b><a href="source/DataProxy.html#cfg-Ext.data.DataProxy-onRead">onRead</a></b> : Function<div class="mdesc"><div class="short">Abstract method that should be implemented in all subclasses. Note: Should only be used by custom-proxy developers. ...</div><div class="long">Abstract method that should be implemented in all subclasses. <b>Note:</b> Should only be used by custom-proxy developers. Callback for read <a href="output/Ext.data.Api.html#Ext.data.Api-actions" ext:member="actions" ext:cls="Ext.data.Api">action</a>.</div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#onRead" ext:member="#onRead" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-onWrite"></a><b><a href="source/DataProxy.html#cfg-Ext.data.DataProxy-onWrite">onWrite</a></b> : Function<div class="mdesc"><div class="short">Abstract method that should be implemented in all subclasses. Note: Should only be used by custom-proxy developers. ...</div><div class="long">Abstract method that should be implemented in all subclasses. <b>Note:</b> Should only be used by custom-proxy developers. Callback for <i>create, update and destroy</i> <a href="output/Ext.data.Api.html#Ext.data.Api-actions" ext:member="actions" ext:cls="Ext.data.Api">actions</a>.</div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#onWrite" ext:member="#onWrite" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-restful"></a><b><a href="source/DataProxy.html#cfg-Ext.data.DataProxy-restful">restful</a></b> : Boolean<div class="mdesc"><div class="short">Defaults to false. Set to true to operate in a RESTful manner.
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124 Note: this parameter will automatically be set to t...</div><div class="long"><p>Defaults to <tt>false</tt>. Set to <tt>true</tt> to operate in a RESTful manner.</p>
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125 <br><p> Note: this parameter will automatically be set to <tt>true</tt> if the
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126 <a href="output/Ext.data.Store.html" ext:cls="Ext.data.Store">Ext.data.Store</a> it is plugged into is set to <code>restful: true</code>. If the
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127 Store is RESTful, there is no need to set this option on the proxy.</p>
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128 <br><p>RESTful implementations enable the serverside framework to automatically route
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129 actions sent to one url based upon the HTTP method, for example:
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130 <pre><code>store: <b>new</b> Ext.data.Store({
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132 proxy: <b>new</b> Ext.data.HttpProxy({url:<em>'/users'</em>}); <i>// all requests sent to /users
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135 If there is no <code><a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-api" ext:member="api" ext:cls="Ext.data.DataProxy">api</a></code> specified in the configuration of the proxy,
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136 all requests will be marshalled to a single RESTful url (/users) so the serverside
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137 framework can inspect the HTTP Method and act accordingly:
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139 <u>Method</u> <u>url</u> <u>action</u>
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142 PUT /users/23 update
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143 DESTROY /users/23 delete
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145 <p>If set to <tt>true</tt>, a <a href="output/Ext.data.Record.html#Ext.data.Record-phantom" ext:member="phantom" ext:cls="Ext.data.Record">non-phantom</a> record's
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146 <a href="output/Ext.data.Record.html#Ext.data.Record-id" ext:member="id" ext:cls="Ext.data.Record">id</a> will be appended to the url. Some MVC (e.g., Ruby on Rails,
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147 Merb and Django) support segment based urls where the segments in the URL follow the
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148 Model-View-Controller approach:<pre><code>someSite.com/controller/action/id</code></pre>
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149 Where the segments in the url are typically:<div class="mdetail-params"><ul>
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150 <li>The first segment : represents the controller class that should be invoked.</li>
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151 <li>The second segment : represents the class function, or method, that should be called.</li>
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152 <li>The third segment : represents the ID (a variable typically passed to the method).</li>
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154 <br><p>Refer to <code><a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-api" ext:member="api" ext:cls="Ext.data.DataProxy">Ext.data.DataProxy.api</a></code> for additional information.</p></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#restful" ext:member="#restful" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr></tbody></table><a id="Ext.data.HttpProxy-props"></a><h2>Public Properties</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Property</th><th class="msource-header">Defined By</th></tr><tr class="property-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.HttpProxy-conn"></a><b><a href="source/HttpProxy.html#prop-Ext.data.HttpProxy-conn">conn</a></b> : Object<div class="mdesc"><div class="short">The Connection object (Or options parameter to Ext.Ajax.request) which this HttpProxy
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155 uses to make requests to the s...</div><div class="long">The Connection object (Or options parameter to <a href="output/Ext.Ajax.html#Ext.Ajax-request" ext:member="request" ext:cls="Ext.Ajax">Ext.Ajax.request</a>) which this HttpProxy
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156 uses to make requests to the server. Properties of this object may be changed dynamically to
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157 change the way data is requested.</div></div></td><td class="msource">HttpProxy</td></tr></tbody></table><a id="Ext.data.HttpProxy-methods"></a><h2>Public Methods</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Method</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.HttpProxy-HttpProxy"></a><b><a href="source/HttpProxy.html#cls-Ext.data.HttpProxy">HttpProxy</a></b>( <code>Object conn</code> )
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158 <div class="mdesc"><div class="short"></div><div class="long"><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>conn</code> : Object<div class="sub-desc">An <a href="output/Ext.data.Connection.html" ext:cls="Ext.data.Connection">Ext.data.Connection</a> object, or options parameter to <a href="output/Ext.Ajax.html#Ext.Ajax-request" ext:member="request" ext:cls="Ext.Ajax">Ext.Ajax.request</a>.
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159 <p>Note that if this HttpProxy is being used by a <a href="output/Ext.data.Store.html" ext:cls="Ext.data.Store">Store</a>, then the
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160 Store's call to <a href="output/Ext.data.HttpProxy.html#Ext.data.HttpProxy-load" ext:member="load" ext:cls="Ext.data.HttpProxy">load</a> will override any specified <tt>callback</tt> and <tt>params</tt>
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161 options. In this case, use the Store's <a href="output/Ext.data.Store.html#Ext.data.Store-events" ext:member="events" ext:cls="Ext.data.Store">events</a> to modify parameters,
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162 or react to loading events. The Store's <a href="output/Ext.data.Store.html#Ext.data.Store-baseParams" ext:member="baseParams" ext:cls="Ext.data.Store">baseParams</a> may also be
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163 used to pass parameters known at instantiation time.</p>
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164 <p>If an options parameter is passed, the singleton <a href="output/Ext.Ajax.html" ext:cls="Ext.Ajax">Ext.Ajax</a> object will be used to make
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165 the request.</p></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">HttpProxy</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-addEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addEvents">addEvents</a></b>( <code>Object|String o</code>, <code>string Optional.</code> )
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167 void<div class="mdesc"><div class="short">Adds the specified events to the list of events which this Observable may fire.</div><div class="long">Adds the specified events to the list of events which this Observable may fire.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Object|String<div class="sub-desc">Either an object with event names as properties with a value of <code>true</code>
168 or the first event name string if multiple event names are being passed as separate parameters.</div></li><li><code>Optional.</code> : string<div class="sub-desc">Event name if multiple event names are being passed as separate parameters.
169 Usage:<pre><code>this.addEvents(<em>'storeloaded'</em>, <em>'storecleared'</em>);</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addEvents" ext:member="#addEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-addListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-addListener">addListener</a></b>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span>, <span title="Optional" class="optional">[<code>Object options</code>]</span> )
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171 void<div class="mdesc"><div class="short">Appends an event handler to this object.</div><div class="long">Appends an event handler to this object.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to listen for.</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes.</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<code><b>this</b></code> reference) in which the handler function is executed.
172 <b>If omitted, defaults to the object which fired the event.</b></div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration.
173 properties. This may contain any of the following properties:<ul>
174 <li><b>scope</b> : Object<div class="sub-desc">The scope (<code><b>this</b></code> reference) in which the handler function is executed.
175 <b>If omitted, defaults to the object which fired the event.</b></div></li>
176 <li><b>delay</b> : Number<div class="sub-desc">The number of milliseconds to delay the invocation of the handler after the event fires.</div></li>
177 <li><b>single</b> : Boolean<div class="sub-desc">True to add a handler to handle just the next firing of the event, and then remove itself.</div></li>
178 <li><b>buffer</b> : Number<div class="sub-desc">Causes the handler to be scheduled to run in an <a href="output/Ext.util.DelayedTask.html" ext:cls="Ext.util.DelayedTask">Ext.util.DelayedTask</a> delayed
179 by the specified number of milliseconds. If the event fires again within that time, the original
180 handler is <em>not</em> invoked, but the new handler is scheduled in its place.</div></li>
181 <li><b>target</b> : Observable<div class="sub-desc">Only call the handler if the event was fired on the target Observable, <i>not</i>
182 if the event was bubbled up from a child Observable.</div></li>
185 <b>Combining Options</b><br>
186 Using the options argument, it is possible to combine different types of listeners:<br>
188 A delayed, one-time listener.
189 <pre><code>myDataView.on(<em>'click'</em>, this.onClick, this, {
194 <b>Attaching multiple handlers in 1 call</b><br>
195 The method also allows for a single argument to be passed which is a config object containing properties
196 which specify multiple handlers.
198 <pre><code>myGridPanel.on({
204 <em>'mouseover'</em> : {
205 fn: this.onMouseOver,
208 <em>'mouseout'</em> : {
214 Or a shorthand syntax:<br>
215 <pre><code>myGridPanel.on({
216 <em>'click'</em> : this.onClick,
217 <em>'mouseover'</em> : this.onMouseOver,
218 <em>'mouseout'</em> : this.onMouseOut,
220 });</code></pre></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#addListener" ext:member="#addListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-destroy"></a><b><a href="source/DataProxy.html#method-Ext.data.DataProxy-destroy">destroy</a></b>()
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222 void<div class="mdesc"><div class="short">Destroys the proxy by purging any event listeners and cancelling any active requests.</div><div class="long">Destroys the proxy by purging any event listeners and cancelling any active requests.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#destroy" ext:member="#destroy" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.HttpProxy-doRequest"></a><b><a href="source/HttpProxy.html#method-Ext.data.HttpProxy-doRequest">doRequest</a></b>( <code>String action</code>, <code>Ext.data.Record/Ext.data.Record[] rs</code>, <code>Object params</code>, <code>Ext.data.DataReader reader</code>, <code>Function callback</code>, <code>Object scope</code>, <code>Object arg</code> )
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224 void<div class="mdesc"><div class="short">HttpProxy implementation of DataProxy#doRequest</div><div class="long">HttpProxy implementation of DataProxy#doRequest<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>action</code> : String<div class="sub-desc">The crud action type (create, read, update, destroy)</div></li><li><code>rs</code> : Ext.data.Record/Ext.data.Record[]<div class="sub-desc">If action is load, rs will be null</div></li><li><code>params</code> : Object<div class="sub-desc">An object containing properties which are to be used as HTTP parameters
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225 for the request to the remote server.</div></li><li><code>reader</code> : Ext.data.DataReader<div class="sub-desc">The Reader object which converts the data
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226 object into a block of Ext.data.Records.</div></li><li><code>callback</code> : Function<div class="sub-desc"><div class="sub-desc"><p>A function to be called after the request.
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227 The <tt>callback</tt> is passed the following arguments:<ul>
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228 <li><tt>r</tt> : Ext.data.Record[] The block of Ext.data.Records.</li>
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229 <li><tt>options</tt>: Options object from the action request</li>
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230 <li><tt>success</tt>: Boolean success indicator</li></ul></p></div></div></li><li><code>scope</code> : Object<div class="sub-desc">The scope (<code>this</code> reference) in which the callback function is executed. Defaults to the browser window.</div></li><li><code>arg</code> : Object<div class="sub-desc">An optional argument which is passed to the callback as its second parameter.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">HttpProxy</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-enableBubble"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-enableBubble">enableBubble</a></b>( <code>String/Array events</code> )
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232 void<div class="mdesc"><div class="short">Enables events fired by this Observable to bubble up an owner hierarchy by calling
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233 this.getBubbleTarget() if present...</div><div class="long"><p>Enables events fired by this Observable to bubble up an owner hierarchy by calling
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234 <code>this.getBubbleTarget()</code> if present. There is no implementation in the Observable base class.</p>
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235 <p>This is commonly used by Ext.Components to bubble events to owner Containers. See <a href="output/Ext.Component.getBubbleTarget.html" ext:cls="Ext.Component.getBubbleTarget">Ext.Component.getBubbleTarget</a>. The default
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236 implementation in Ext.Component returns the Component's immediate owner. But if a known target is required, this can be overridden to
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237 access the required target more quickly.</p>
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238 <p>Example:</p><pre><code>Ext.override(Ext.form.Field, {
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239 <i>// Add functionality to Field's initComponent to enable the change event to bubble
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240 initComponent : Ext.form.Field.prototype.initComponent.createSequence(<b>function</b>() {
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241 this.enableBubble(<em>'change'</em>);
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244 <i>// We know that we want Field's events to bubble directly to the FormPanel.
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245 getBubbleTarget : <b>function</b>() {
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246 <b>if</b> (!this.formPanel) {
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247 this.formPanel = this.findParentByType(<em>'form'</em>);
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249 <b>return</b> this.formPanel;
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253 <b>var</b> myForm = <b>new</b> Ext.formPanel({
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254 title: <em>'User Details'</em>,
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259 change: <b>function</b>() {
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260 <i>// Title goes red <b>if</b> form has been modified.
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261 myForm.header.setStyle(<em>'color'</em>, <em>'red'</em>);
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264 });</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>events</code> : String/Array<div class="sub-desc">The event name to bubble, or an Array of event names.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#enableBubble" ext:member="#enableBubble" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>( <code>String eventName</code>, <code>Object... args</code> )
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266 Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).
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267 An event may be set to bubble up an Obse...</div><div class="long"><p>Fires the specified event with the passed parameters (minus the event name).</p>
268 <p>An event may be set to bubble up an Observable parent hierarchy (See <a href="output/Ext.Component.html#Ext.Component-getBubbleTarget" ext:member="getBubbleTarget" ext:cls="Ext.Component">Ext.Component.getBubbleTarget</a>)
269 by calling <a href="output/Ext.util.Observable.html#Ext.util.Observable-enableBubble" ext:member="enableBubble" ext:cls="Ext.util.Observable">enableBubble</a>.</p><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to fire.</div></li><li><code>args</code> : Object...<div class="sub-desc">Variable number of parameters are passed to handlers.</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#fireEvent" ext:member="#fireEvent" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.HttpProxy-getConnection"></a><b><a href="source/HttpProxy.html#method-Ext.data.HttpProxy-getConnection">getConnection</a></b>()
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271 Connection<div class="mdesc"><div class="short">Return the Ext.data.Connection object being used by this Proxy.</div><div class="long">Return the <a href="output/Ext.data.Connection.html" ext:cls="Ext.data.Connection">Ext.data.Connection</a> object being used by this Proxy.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>Connection</code><div class="sub-desc">The Connection object. This object may be used to subscribe to events on
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272 a finer-grained basis than the DataProxy events.</div></li></ul></div></div></div></td><td class="msource">HttpProxy</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-hasListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-hasListener">hasListener</a></b>( <code>String eventName</code> )
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274 Boolean<div class="mdesc"><div class="short">Checks to see if this object has any listeners for a specified event</div><div class="long">Checks to see if this object has any listeners for a specified event<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#hasListener" ext:member="#hasListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-isApiAction"></a><b><a href="source/DataProxy.html#method-Ext.data.DataProxy-isApiAction">isApiAction</a></b>( <code>String [Ext.data.Api.CREATE|READ|UPDATE|DESTROY]}</code> )
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276 Boolean<div class="mdesc"><div class="short">Returns true if the specified action is defined as a unique action in the api-config.
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277 request. If all API-actions a...</div><div class="long">Returns true if the specified action is defined as a unique action in the api-config.
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278 request. If all API-actions are routed to unique urls, the xaction parameter is unecessary. However, if no api is defined
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279 and all Proxy actions are routed to DataProxy#url, the server-side will require the xaction parameter to perform a switch to
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280 the corresponding code for CRUD action.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>[Ext.data.Api.CREATE|READ|UPDATE|DESTROY]}</code> : String<div class="sub-desc">action</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc"></div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#isApiAction" ext:member="#isApiAction" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-load"></a><b><a href="source/DataProxy.html#method-Ext.data.DataProxy-load">load</a></b>( <code>Object params</code>, <code>Object reader</code>, <code>Object callback</code>, <code>Object scope</code>, <code>Object arg</code> )
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282 void<div class="mdesc"><div class="short">Deprecated load method using old method signature. See {@doRequest} for preferred method.</div><div class="long"><b>Deprecated</b> load method using old method signature. See {@doRequest} for preferred method.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>params</code> : Object<div class="sub-desc"></div></li><li><code>reader</code> : Object<div class="sub-desc"></div></li><li><code>callback</code> : Object<div class="sub-desc"></div></li><li><code>scope</code> : Object<div class="sub-desc"></div></li><li><code>arg</code> : Object<div class="sub-desc"></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#load" ext:member="#load" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-on"></a><b><a href="source/Observable.html#method-Ext.util.Observable-on">on</a></b>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span>, <span title="Optional" class="optional">[<code>Object options</code>]</span> )
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284 void<div class="mdesc"><div class="short">Appends an event handler to this object (shorthand for addListener.)</div><div class="long">Appends an event handler to this object (shorthand for <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a>.)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<code><b>this</b></code> reference) in which the handler function is executed.
285 <b>If omitted, defaults to the object which fired the event.</b></div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#on" ext:member="#on" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.HttpProxy-onRead"></a><b><a href="source/HttpProxy.html#method-Ext.data.HttpProxy-onRead">onRead</a></b>( <code>String action</code>, <code>Object o</code>, <code>Object res</code> )
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287 void<div class="mdesc"><div class="short">Callback for read action</div><div class="long">Callback for read action<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>action</code> : String<div class="sub-desc">Action name as per <a href="output/Ext.data.Api.actions.html#Ext.data.Api.actions-read" ext:member="read" ext:cls="Ext.data.Api.actions">Ext.data.Api.actions.read</a>.</div></li><li><code>o</code> : Object<div class="sub-desc">The request transaction object</div></li><li><code>res</code> : Object<div class="sub-desc">The server response</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">HttpProxy</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.HttpProxy-onWrite"></a><b><a href="source/HttpProxy.html#method-Ext.data.HttpProxy-onWrite">onWrite</a></b>( <code>String action</code>, <code>Object trans</code>, <code>Object res</code> )
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289 void<div class="mdesc"><div class="short">Callback for write actions</div><div class="long">Callback for write actions<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>action</code> : String<div class="sub-desc">[Ext.data.Api.actions.create|read|update|destroy]</div></li><li><code>trans</code> : Object<div class="sub-desc">The request transaction object</div></li><li><code>res</code> : Object<div class="sub-desc">The server response</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">HttpProxy</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-purgeListeners"></a><b><a href="source/Observable.html#method-Ext.util.Observable-purgeListeners">purgeListeners</a></b>()
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291 void<div class="mdesc"><div class="short">Removes all listeners for this object</div><div class="long">Removes all listeners for this object<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#purgeListeners" ext:member="#purgeListeners" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-relayEvents"></a><b><a href="source/Observable-more.html#method-Ext.util.Observable-relayEvents">relayEvents</a></b>( <code>Object o</code>, <code>Array events</code> )
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293 void<div class="mdesc"><div class="short">Relays selected events from the specified Observable as if the events were fired by this.</div><div class="long">Relays selected events from the specified Observable as if the events were fired by <tt><b>this</b></tt>.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Object<div class="sub-desc">The Observable whose events this object is to relay.</div></li><li><code>events</code> : Array<div class="sub-desc">Array of event names to relay.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#relayEvents" ext:member="#relayEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-removeListener"></a><b><a href="source/Observable.html#method-Ext.util.Observable-removeListener">removeListener</a></b>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span> )
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295 void<div class="mdesc"><div class="short">Removes an event handler.</div><div class="long">Removes an event handler.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The type of event the handler was associated with.</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove. <b>This must be a reference to the function passed into the <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a> call.</b></div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope originally specified for the handler.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#removeListener" ext:member="#removeListener" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-request"></a><b><a href="source/DataProxy.html#method-Ext.data.DataProxy-request">request</a></b>( <code>String action</code>, <code>Ext.data.Record/Ext.data.Record[]/null rs</code>, <code>Object params</code>, <code>Ext.data.DataReader reader</code>, <code>Function callback</code>, <code>Object scope</code>, <code>Object options</code> )
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297 void<div class="mdesc"><div class="short">All proxy actions are executed through this method. Automatically fires the "before" + action event</div><div class="long">All proxy actions are executed through this method. Automatically fires the "before" + action event<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>action</code> : String<div class="sub-desc">Name of the action</div></li><li><code>rs</code> : Ext.data.Record/Ext.data.Record[]/null<div class="sub-desc">Will be null when action is 'load'</div></li><li><code>params</code> : Object<div class="sub-desc"></div></li><li><code>reader</code> : Ext.data.DataReader<div class="sub-desc"></div></li><li><code>callback</code> : Function<div class="sub-desc"></div></li><li><code>scope</code> : Object<div class="sub-desc">The scope (<code>this</code> reference) in which the callback function is executed. Defaults to the Proxy object.</div></li><li><code>options</code> : Object<div class="sub-desc">Any options specified for the action (e.g. see <a href="output/Ext.data.Store.html#Ext.data.Store-load" ext:member="load" ext:cls="Ext.data.Store">Ext.data.Store.load</a>.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#request" ext:member="#request" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-resumeEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-resumeEvents">resumeEvents</a></b>()
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299 void<div class="mdesc"><div class="short">Resume firing events. (see suspendEvents)
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300 If events were suspended using the queueSuspended parameter, then all
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301 event...</div><div class="long">Resume firing events. (see <a href="output/Ext.util.Observable.html#Ext.util.Observable-suspendEvents" ext:member="suspendEvents" ext:cls="Ext.util.Observable">suspendEvents</a>)
302 If events were suspended using the <tt><b>queueSuspended</b></tt> parameter, then all
303 events fired during event suspension will be sent to any listeners now.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#resumeEvents" ext:member="#resumeEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-setApi"></a><b><a href="source/DataProxy.html#method-Ext.data.DataProxy-setApi">setApi</a></b>( <code>String/Object api</code>, <code>String/Function url</code> )
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305 void<div class="mdesc"><div class="short">Redefines the Proxy's API or a single action of an API. Can be called with two method signatures.
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306 If called with an ...</div><div class="long"><p>Redefines the Proxy's API or a single action of an API. Can be called with two method signatures.</p>
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307 <p>If called with an object as the only parameter, the object should redefine the <b>entire</b> API, e.g.:</p><pre><code>proxy.setApi({
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308 read : <em>'/users/read'</em>,
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309 create : <em>'/users/create'</em>,
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310 update : <em>'/users/update'</em>,
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311 destroy : <em>'/users/destroy'</em>
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313 <p>If called with two parameters, the first parameter should be a string specifying the API action to
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314 redefine and the second parameter should be the URL (or function if using DirectProxy) to call for that action, e.g.:</p><pre><code>proxy.setApi(Ext.data.Api.actions.read, <em>'/users/<b>new</b>_load_url'</em>);</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>api</code> : String/Object<div class="sub-desc">An API specification object, or the name of an action.</div></li><li><code>url</code> : String/Function<div class="sub-desc">The URL (or function if using DirectProxy) to call for the action.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#setApi" ext:member="#setApi" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.HttpProxy-setUrl"></a><b><a href="source/HttpProxy.html#method-Ext.data.HttpProxy-setUrl">setUrl</a></b>( <code>String url</code>, <span title="Optional" class="optional">[<code>Boolean makePermanent</code>]</span> )
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316 void<div class="mdesc"><div class="short">Used for overriding the url used for a single request. Designed to be called during a beforeaction event. Calling s...</div><div class="long">Used for overriding the url used for a single request. Designed to be called during a beforeaction event. Calling setUrl
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317 will override any urls set via the api configuration parameter. Set the optional parameter makePermanent to set the url for
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318 all subsequent requests. If not set to makePermanent, the next request will use the same url or api configuration defined
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319 in the initial proxy configuration.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>url</code> : String<div class="sub-desc"></div></li><li><code>makePermanent</code> : Boolean<div class="sub-desc">(Optional) [false]
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320 (e.g.: beforeload, beforesave, etc).</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">HttpProxy</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-suspendEvents"></a><b><a href="source/Observable.html#method-Ext.util.Observable-suspendEvents">suspendEvents</a></b>( <code>Boolean queueSuspended</code> )
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322 void<div class="mdesc"><div class="short">Suspend the firing of all events. (see resumeEvents)</div><div class="long">Suspend the firing of all events. (see <a href="output/Ext.util.Observable.html#Ext.util.Observable-resumeEvents" ext:member="resumeEvents" ext:cls="Ext.util.Observable">resumeEvents</a>)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>queueSuspended</code> : Boolean<div class="sub-desc">Pass as true to queue up suspended events to be fired
323 after the <a href="output/Ext.util.Observable.html#Ext.util.Observable-resumeEvents" ext:member="resumeEvents" ext:cls="Ext.util.Observable">resumeEvents</a> call instead of discarding all suspended events;</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#suspendEvents" ext:member="#suspendEvents" ext:cls="Ext.util.Observable">Observable</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.util.Observable-un"></a><b><a href="source/Observable.html#method-Ext.util.Observable-un">un</a></b>( <code>String eventName</code>, <code>Function handler</code>, <span title="Optional" class="optional">[<code>Object scope</code>]</span> )
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325 void<div class="mdesc"><div class="short">Removes an event handler (shorthand for removeListener.)</div><div class="long">Removes an event handler (shorthand for <a href="output/Ext.util.Observable.html#Ext.util.Observable-removeListener" ext:member="removeListener" ext:cls="Ext.util.Observable">removeListener</a>.)<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>eventName</code> : String<div class="sub-desc">The type of event the handler was associated with.</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove. <b>This must be a reference to the function passed into the <a href="output/Ext.util.Observable.html#Ext.util.Observable-addListener" ext:member="addListener" ext:cls="Ext.util.Observable">addListener</a> call.</b></div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope originally specified for the handler.</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.util.Observable.html#un" ext:member="#un" ext:cls="Ext.util.Observable">Observable</a></td></tr></tbody></table><a id="Ext.data.HttpProxy-events"></a><h2>Public Events</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Event</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-beforeload"></a><b><a href="source/DataProxy.html#event-Ext.data.DataProxy-beforeload">beforeload</a></b> :
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326 ( <code>DataProxy this</code>, <code>Object params</code> )
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327 <div class="mdesc"><div class="short">Fires before a request to retrieve a data object.</div><div class="long">Fires before a request to retrieve a data object.<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>this</code> : DataProxy<div class="sub-desc">The proxy for the request</div></li><li><code>params</code> : Object<div class="sub-desc">The params object passed to the <a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-request" ext:member="request" ext:cls="Ext.data.DataProxy">request</a> function</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#beforeload" ext:member="#beforeload" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-beforewrite"></a><b><a href="source/DataProxy.html#event-Ext.data.DataProxy-beforewrite">beforewrite</a></b> :
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328 ( <code>DataProxy this</code>, <code>String action</code>, <code>Record/Array[Record] rs</code>, <code>Object params</code> )
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329 <div class="mdesc"><div class="short">Fires before a request is generated for one of the actions Ext.data.Api.actions.create|update|destroy
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330 In addition to...</div><div class="long"><p>Fires before a request is generated for one of the actions Ext.data.Api.actions.create|update|destroy</p>
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331 <p>In addition to being fired through the DataProxy instance that raised the event, this event is also fired
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332 through the Ext.data.DataProxy <i>class</i> to allow for centralized processing of beforewrite events from <b>all</b>
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333 DataProxies by attaching a listener to the Ext.data.Proxy class itself.</p><div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>this</code> : DataProxy<div class="sub-desc">The proxy for the request</div></li><li><code>action</code> : String<div class="sub-desc">[Ext.data.Api.actions.create|update|destroy]</div></li><li><code>rs</code> : Record/Array[Record]<div class="sub-desc">The Record(s) to create|update|destroy.</div></li><li><code>params</code> : Object<div class="sub-desc">The request <code>params</code> object. Edit <code>params</code> to add parameters to the request.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#beforewrite" ext:member="#beforewrite" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-exception"></a><b><a href="source/DataProxy.html#event-Ext.data.DataProxy-exception">exception</a></b> :
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334 ( <code>DataProxy this</code>, <code>String type</code>, <code>String action</code>, <code>Object options</code>, <code>Object response</code>, <code>Mixed arg</code> )
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335 <div class="mdesc"><div class="short">Fires if an exception occurs in the Proxy during a remote request. This event is relayed
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336 through a corresponding Ext...</div><div class="long"><p>Fires if an exception occurs in the Proxy during a remote request. This event is relayed
\r
337 through a corresponding <a href="output/Ext.data.Store.html" ext:cls="Ext.data.Store">Ext.data.Store</a>.<a href="output/Ext.data.Store.html#Ext.data.Store-exception" ext:member="exception" ext:cls="Ext.data.Store">exception</a>,
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338 so any Store instance may observe this event.</p>
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339 <p>In addition to being fired through the DataProxy instance that raised the event, this event is also fired
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340 through the Ext.data.DataProxy <i>class</i> to allow for centralized processing of exception events from <b>all</b>
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341 DataProxies by attaching a listener to the Ext.data.Proxy class itself.</p>
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342 <p>This event can be fired for one of two reasons:</p>
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343 <div class="mdetail-params"><ul>
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344 <li>remote-request <b>failed</b> : <div class="sub-desc">
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345 The server did not return status === 200.
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347 <li>remote-request <b>succeeded</b> : <div class="sub-desc">
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348 The remote-request succeeded but the reader could not read the response.
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349 This means the server returned data, but the configured Reader threw an
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350 error while reading the response. In this case, this event will be
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351 raised and the caught error will be passed along into this event.
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354 <br><p>This event fires with two different contexts based upon the 2nd
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355 parameter <tt>type [remote|response]</tt>. The first four parameters
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356 are identical between the two contexts -- only the final two parameters
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357 differ.</p><div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>this</code> : DataProxy<div class="sub-desc">The proxy that sent the request</div></li><li><code>type</code> : String<div class="sub-desc"><p>The value of this parameter will be either <tt>'response'</tt> or <tt>'remote'</tt>.</p>
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358 <div class="mdetail-params"><ul>
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359 <li><b><tt>'response'</tt></b> : <div class="sub-desc">
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360 <p>An <b>invalid</b> response from the server was returned: either 404,
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361 500 or the response meta-data does not match that defined in the DataReader
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362 (e.g.: root, idProperty, successProperty).</p>
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364 <li><b><tt>'remote'</tt></b> : <div class="sub-desc">
\r
365 <p>A <b>valid</b> response was returned from the server having
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366 successProperty === false. This response might contain an error-message
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367 sent from the server. For example, the user may have failed
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368 authentication/authorization or a database validation error occurred.</p>
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370 </ul></div></div></li><li><code>action</code> : String<div class="sub-desc">Name of the action (see <a href="output/Ext.data.Api.html#Ext.data.Api-actions" ext:member="actions" ext:cls="Ext.data.Api">Ext.data.Api.actions</a>.</div></li><li><code>options</code> : Object<div class="sub-desc">The options for the action that were specified in the <a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-request" ext:member="request" ext:cls="Ext.data.DataProxy">request</a>.</div></li><li><code>response</code> : Object<div class="sub-desc"><p>The value of this parameter depends on the value of the <code>type</code> parameter:</p>
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371 <div class="mdetail-params"><ul>
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372 <li><b><tt>'response'</tt></b> : <div class="sub-desc">
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373 <p>The raw browser response object (e.g.: XMLHttpRequest)</p>
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375 <li><b><tt>'remote'</tt></b> : <div class="sub-desc">
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376 <p>The decoded response object sent from the server.</p>
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378 </ul></div></div></li><li><code>arg</code> : Mixed<div class="sub-desc"><p>The type and value of this parameter depends on the value of the <code>type</code> parameter:</p>
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379 <div class="mdetail-params"><ul>
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380 <li><b><tt>'response'</tt></b> : Error<div class="sub-desc">
\r
381 <p>The JavaScript Error object caught if the configured Reader could not read the data.
\r
382 If the remote request returns success===false, this parameter will be null.</p>
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384 <li><b><tt>'remote'</tt></b> : Record/Record[]<div class="sub-desc">
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385 <p>This parameter will only exist if the <tt>action</tt> was a <b>write</b> action
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386 (Ext.data.Api.actions.create|update|destroy).</p>
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388 </ul></div></div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#exception" ext:member="#exception" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-load"></a><b><a href="source/DataProxy.html#event-Ext.data.DataProxy-load">load</a></b> :
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389 ( <code>DataProxy this</code>, <code>Object o</code>, <code>Object options</code> )
\r
390 <div class="mdesc"><div class="short">Fires before the load method's callback is called.</div><div class="long">Fires before the load method's callback is called.<div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>this</code> : DataProxy<div class="sub-desc">The proxy for the request</div></li><li><code>o</code> : Object<div class="sub-desc">The request transaction object</div></li><li><code>options</code> : Object<div class="sub-desc">The callback's <tt>options</tt> property as passed to the <a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-request" ext:member="request" ext:cls="Ext.data.DataProxy">request</a> function</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#load" ext:member="#load" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-loadexception"></a><b><a href="source/DataProxy.html#event-Ext.data.DataProxy-loadexception">loadexception</a></b> :
\r
391 ( <code>misc misc</code> )
\r
392 <div class="mdesc"><div class="short">This event is deprecated. The signature of the loadexception event
\r
393 varies depending on the proxy, use the catch-all...</div><div class="long"><p>This event is <b>deprecated</b>. The signature of the loadexception event
\r
394 varies depending on the proxy, use the catch-all <a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-exception" ext:member="exception" ext:cls="Ext.data.DataProxy">exception</a> event instead.
\r
395 This event will fire in addition to the <a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-exception" ext:member="exception" ext:cls="Ext.data.DataProxy">exception</a> event.</p><div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>misc</code> : misc<div class="sub-desc">See <a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-exception" ext:member="exception" ext:cls="Ext.data.DataProxy">exception</a>.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#loadexception" ext:member="#loadexception" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.DataProxy-write"></a><b><a href="source/DataProxy.html#event-Ext.data.DataProxy-write">write</a></b> :
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396 ( <code>DataProxy this</code>, <code>String action</code>, <code>Object data</code>, <code>Object response</code>, <code>Record/Record{} rs</code>, <code>Object options</code> )
\r
397 <div class="mdesc"><div class="short">Fires before the request-callback is called
\r
398 In addition to being fired through the DataProxy instance that raised th...</div><div class="long"><p>Fires before the request-callback is called</p>
\r
399 <p>In addition to being fired through the DataProxy instance that raised the event, this event is also fired
\r
400 through the Ext.data.DataProxy <i>class</i> to allow for centralized processing of write events from <b>all</b>
\r
401 DataProxies by attaching a listener to the Ext.data.Proxy class itself.</p><div class="mdetail-params"><strong style="font-weight: normal;">Listeners will be called with the following arguments:</strong><ul><li><code>this</code> : DataProxy<div class="sub-desc">The proxy that sent the request</div></li><li><code>action</code> : String<div class="sub-desc">[Ext.data.Api.actions.create|upate|destroy]</div></li><li><code>data</code> : Object<div class="sub-desc">The data object extracted from the server-response</div></li><li><code>response</code> : Object<div class="sub-desc">The decoded response from server</div></li><li><code>rs</code> : Record/Record{}<div class="sub-desc">The records from Store</div></li><li><code>options</code> : Object<div class="sub-desc">The callback's <tt>options</tt> property as passed to the <a href="output/Ext.data.DataProxy.html#Ext.data.DataProxy-request" ext:member="request" ext:cls="Ext.data.DataProxy">request</a> function</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.data.DataProxy.html#write" ext:member="#write" ext:cls="Ext.data.DataProxy">DataProxy</a></td></tr></tbody></table></div>
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