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+ <title>The source code</title>\r
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+ <pre class="prettyprint lang-js"><div id="cls-Ext.form.FormPanel"></div>/**
+ * @class Ext.form.FormPanel
+ * @extends Ext.Panel
+ * <p>Standard form container.</p>
+ *
+ * <p><b><u>Layout</u></b></p>
+ * <p>By default, FormPanel is configured with <tt>layout:'form'</tt> to use an {@link Ext.layout.FormLayout}
+ * layout manager, which styles and renders fields and labels correctly. When nesting additional Containers
+ * within a FormPanel, you should ensure that any descendant Containers which host input Fields use the
+ * {@link Ext.layout.FormLayout} layout manager.</p>
+ *
+ * <p><b><u>BasicForm</u></b></p>
+ * <p>Although <b>not listed</b> as configuration options of FormPanel, the FormPanel class accepts all
+ * of the config options required to configure its internal {@link Ext.form.BasicForm} for:
+ * <div class="mdetail-params"><ul>
+ * <li>{@link Ext.form.BasicForm#fileUpload file uploads}</li>
+ * <li>functionality for {@link Ext.form.BasicForm#doAction loading, validating and submitting} the form</li>
+ * </ul></div>
+ *
+ * <p><b>Note</b>: If subclassing FormPanel, any configuration options for the BasicForm must be applied to
+ * the <tt><b>initialConfig</b></tt> property of the FormPanel. Applying {@link Ext.form.BasicForm BasicForm}
+ * configuration settings to <b><tt>this</tt></b> will <b>not</b> affect the BasicForm's configuration.</p>
+ *
+ * <p><b><u>Form Validation</u></b></p>
+ * <p>For information on form validation see the following:</p>
+ * <div class="mdetail-params"><ul>
+ * <li>{@link Ext.form.TextField}</li>
+ * <li>{@link Ext.form.VTypes}</li>
+ * <li>{@link Ext.form.BasicForm#doAction BasicForm.doAction <b>clientValidation</b> notes}</li>
+ * <li><tt>{@link Ext.form.FormPanel#monitorValid monitorValid}</tt></li>
+ * </ul></div>
+ *
+ * <p><b><u>Form Submission</u></b></p>
+ * <p>By default, Ext Forms are submitted through Ajax, using {@link Ext.form.Action}. To enable normal browser
+ * submission of the {@link Ext.form.BasicForm BasicForm} contained in this FormPanel, see the
+ * <tt><b>{@link Ext.form.BasicForm#standardSubmit standardSubmit}</b></tt> option.</p>
+ *
+ * @constructor
+ * @param {Object} config Configuration options
+ * @xtype form
+ */
+Ext.FormPanel = Ext.extend(Ext.Panel, {
+ <div id="cfg-Ext.form.FormPanel-formId"></div>/**
+ * @cfg {String} formId (optional) The id of the FORM tag (defaults to an auto-generated id).
+ */
+ <div id="cfg-Ext.form.FormPanel-hideLabels"></div>/**
+ * @cfg {Boolean} hideLabels
+ * <p><tt>true</tt> to hide field labels by default (sets <tt>display:none</tt>). Defaults to
+ * <tt>false</tt>.</p>
+ * <p>Also see {@link Ext.Component}.<tt>{@link Ext.Component#hideLabel hideLabel}</tt>.
+ */
+ <div id="cfg-Ext.form.FormPanel-labelPad"></div>/**
+ * @cfg {Number} labelPad
+ * The default padding in pixels for field labels (defaults to <tt>5</tt>). <tt>labelPad</tt> only
+ * applies if <tt>{@link #labelWidth}</tt> is also specified, otherwise it will be ignored.
+ */
+ <div id="cfg-Ext.form.FormPanel-labelSeparator"></div>/**
+ * @cfg {String} labelSeparator
+ * See {@link Ext.Component}.<tt>{@link Ext.Component#labelSeparator labelSeparator}</tt>
+ */
+ <div id="cfg-Ext.form.FormPanel-labelWidth"></div>/**
+ * @cfg {Number} labelWidth The width of labels in pixels. This property cascades to child containers
+ * and can be overridden on any child container (e.g., a fieldset can specify a different <tt>labelWidth</tt>
+ * for its fields) (defaults to <tt>100</tt>).
+ */
+ <div id="cfg-Ext.form.FormPanel-itemCls"></div>/**
+ * @cfg {String} itemCls A css class to apply to the x-form-item of fields. This property cascades to child containers.
+ */
+ <div id="cfg-Ext.form.FormPanel-buttons"></div>/**
+ * @cfg {Array} buttons
+ * An array of {@link Ext.Button}s or {@link Ext.Button} configs used to add buttons to the footer of this FormPanel.<br>
+ * <p>Buttons in the footer of a FormPanel may be configured with the option <tt>formBind: true</tt>. This causes
+ * the form's {@link #monitorValid valid state monitor task} to enable/disable those Buttons depending on
+ * the form's valid/invalid state.</p>
+ */
+
+
+ <div id="cfg-Ext.form.FormPanel-minButtonWidth"></div>/**
+ * @cfg {Number} minButtonWidth Minimum width of all buttons in pixels (defaults to <tt>75</tt>).
+ */
+ minButtonWidth : 75,
+
+ <div id="cfg-Ext.form.FormPanel-labelAlign"></div>/**
+ * @cfg {String} labelAlign The label alignment value used for the <tt>text-align</tt> specification
+ * for the <b>container</b>. Valid values are <tt>"left</tt>", <tt>"top"</tt> or <tt>"right"</tt>
+ * (defaults to <tt>"left"</tt>). This property cascades to child <b>containers</b> and can be
+ * overridden on any child <b>container</b> (e.g., a fieldset can specify a different <tt>labelAlign</tt>
+ * for its fields).
+ */
+ labelAlign : 'left',
+
+ <div id="cfg-Ext.form.FormPanel-monitorValid"></div>/**
+ * @cfg {Boolean} monitorValid If <tt>true</tt>, the form monitors its valid state <b>client-side</b> and
+ * regularly fires the {@link #clientvalidation} event passing that state.<br>
+ * <p>When monitoring valid state, the FormPanel enables/disables any of its configured
+ * {@link #buttons} which have been configured with <code>formBind: true</code> depending
+ * on whether the {@link Ext.form.BasicForm#isValid form is valid} or not. Defaults to <tt>false</tt></p>
+ */
+ monitorValid : false,
+
+ <div id="cfg-Ext.form.FormPanel-monitorPoll"></div>/**
+ * @cfg {Number} monitorPoll The milliseconds to poll valid state, ignored if monitorValid is not true (defaults to 200)
+ */
+ monitorPoll : 200,
+
+ <div id="cfg-Ext.form.FormPanel-layout"></div>/**
+ * @cfg {String} layout Defaults to <tt>'form'</tt>. Normally this configuration property should not be altered.
+ * For additional details see {@link Ext.layout.FormLayout} and {@link Ext.Container#layout Ext.Container.layout}.
+ */
+ layout : 'form',
+
+ // private
+ initComponent : function(){
+ this.form = this.createForm();
+ Ext.FormPanel.superclass.initComponent.call(this);
+
+ this.bodyCfg = {
+ tag: 'form',
+ cls: this.baseCls + '-body',
+ method : this.method || 'POST',
+ id : this.formId || Ext.id()
+ };
+ if(this.fileUpload) {
+ this.bodyCfg.enctype = 'multipart/form-data';
+ }
+ this.initItems();
+
+ this.addEvents(
+ <div id="event-Ext.form.FormPanel-clientvalidation"></div>/**
+ * @event clientvalidation
+ * If the monitorValid config option is true, this event fires repetitively to notify of valid state
+ * @param {Ext.form.FormPanel} this
+ * @param {Boolean} valid true if the form has passed client-side validation
+ */
+ 'clientvalidation'
+ );
+
+ this.relayEvents(this.form, ['beforeaction', 'actionfailed', 'actioncomplete']);
+ },
+
+ // private
+ createForm : function(){
+ var config = Ext.applyIf({listeners: {}}, this.initialConfig);
+ return new Ext.form.BasicForm(null, config);
+ },
+
+ // private
+ initFields : function(){
+ var f = this.form;
+ var formPanel = this;
+ var fn = function(c){
+ if(formPanel.isField(c)){
+ f.add(c);
+ }if(c.isFieldWrap){
+ Ext.applyIf(c, {
+ labelAlign: c.ownerCt.labelAlign,
+ labelWidth: c.ownerCt.labelWidth,
+ itemCls: c.ownerCt.itemCls
+ });
+ f.add(c.field);
+ }else if(c.doLayout && c != formPanel){
+ Ext.applyIf(c, {
+ labelAlign: c.ownerCt.labelAlign,
+ labelWidth: c.ownerCt.labelWidth,
+ itemCls: c.ownerCt.itemCls
+ });
+ //each check required for check/radio groups.
+ if(c.items && c.items.each){
+ c.items.each(fn, this);
+ }
+ }
+ };
+ this.items.each(fn, this);
+ },
+
+ // private
+ getLayoutTarget : function(){
+ return this.form.el;
+ },
+
+ <div id="method-Ext.form.FormPanel-getForm"></div>/**
+ * Provides access to the {@link Ext.form.BasicForm Form} which this Panel contains.
+ * @return {Ext.form.BasicForm} The {@link Ext.form.BasicForm Form} which this Panel contains.
+ */
+ getForm : function(){
+ return this.form;
+ },
+
+ // private
+ onRender : function(ct, position){
+ this.initFields();
+ Ext.FormPanel.superclass.onRender.call(this, ct, position);
+ this.form.initEl(this.body);
+ },
+
+ // private
+ beforeDestroy : function(){
+ this.stopMonitoring();
+ Ext.FormPanel.superclass.beforeDestroy.call(this);
+ /*
+ * Clear the items here to prevent them being destroyed again.
+ * Don't move this behaviour to BasicForm because it can be used
+ * on it's own.
+ */
+ this.form.items.clear();
+ Ext.destroy(this.form);
+ },
+
+ // Determine if a Component is usable as a form Field.
+ isField : function(c) {
+ return !!c.setValue && !!c.getValue && !!c.markInvalid && !!c.clearInvalid;
+ },
+
+ // private
+ initEvents : function(){
+ Ext.FormPanel.superclass.initEvents.call(this);
+ this.on('remove', this.onRemove, this);
+ this.on('add', this.onAdd, this);
+ if(this.monitorValid){ // initialize after render
+ this.startMonitoring();
+ }
+ },
+
+ // private
+ onAdd : function(ct, c) {
+ // If a single form Field, add it
+ if (this.isField(c)) {
+ this.form.add(c);
+ // If a Container, add any Fields it might contain
+ } else if (c.findBy) {
+ Ext.applyIf(c, {
+ labelAlign: c.ownerCt.labelAlign,
+ labelWidth: c.ownerCt.labelWidth,
+ itemCls: c.ownerCt.itemCls
+ });
+ this.form.add.apply(this.form, c.findBy(this.isField));
+ }
+ },
+
+ // private
+ onRemove : function(ct, c) {
+ // If a single form Field, remove it
+ if (this.isField(c)) {
+ Ext.destroy(c.container.up('.x-form-item'));
+ this.form.remove(c);
+ // If a Container, remove any Fields it might contain
+ } else if (c.findByType) {
+ Ext.each(c.findBy(this.isField), this.form.remove, this.form);
+ }
+ },
+
+ <div id="method-Ext.form.FormPanel-startMonitoring"></div>/**
+ * Starts monitoring of the valid state of this form. Usually this is done by passing the config
+ * option "monitorValid"
+ */
+ startMonitoring : function(){
+ if(!this.validTask){
+ this.validTask = new Ext.util.TaskRunner();
+ this.validTask.start({
+ run : this.bindHandler,
+ interval : this.monitorPoll || 200,
+ scope: this
+ });
+ }
+ },
+
+ <div id="method-Ext.form.FormPanel-stopMonitoring"></div>/**
+ * Stops monitoring of the valid state of this form
+ */
+ stopMonitoring : function(){
+ if(this.validTask){
+ this.validTask.stopAll();
+ this.validTask = null;
+ }
+ },
+
+ <div id="method-Ext.form.FormPanel-load"></div>/**
+ * This is a proxy for the underlying BasicForm's {@link Ext.form.BasicForm#load} call.
+ * @param {Object} options The options to pass to the action (see {@link Ext.form.BasicForm#doAction} for details)
+ */
+ load : function(){
+ this.form.load.apply(this.form, arguments);
+ },
+
+ // private
+ onDisable : function(){
+ Ext.FormPanel.superclass.onDisable.call(this);
+ if(this.form){
+ this.form.items.each(function(){
+ this.disable();
+ });
+ }
+ },
+
+ // private
+ onEnable : function(){
+ Ext.FormPanel.superclass.onEnable.call(this);
+ if(this.form){
+ this.form.items.each(function(){
+ this.enable();
+ });
+ }
+ },
+
+ // private
+ bindHandler : function(){
+ var valid = true;
+ this.form.items.each(function(f){
+ if(!f.isValid(true)){
+ valid = false;
+ return false;
+ }
+ });
+ if(this.fbar){
+ var fitems = this.fbar.items.items;
+ for(var i = 0, len = fitems.length; i < len; i++){
+ var btn = fitems[i];
+ if(btn.formBind === true && btn.disabled === valid){
+ btn.setDisabled(!valid);
+ }
+ }
+ }
+ this.fireEvent('clientvalidation', this, valid);
+ }
+});
+Ext.reg('form', Ext.FormPanel);
+
+Ext.form.FormPanel = Ext.FormPanel;
+
+</pre> \r
+</body>\r
+</html>
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