X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/7a654f8d43fdb43d78b63d90528bed6e86b608cc..refs/heads/master:/docs/source/Basic.html diff --git a/docs/source/Basic.html b/docs/source/Basic.html index 7492a942..3aa13eee 100644 --- a/docs/source/Basic.html +++ b/docs/source/Basic.html @@ -1,87 +1,103 @@ -
+ +/** - * @class Ext.form.Basic + + + + +\ No newline at end of file +The source code + + + + + + +/** + * @class Ext.form.Basic * @extends Ext.util.Observable - -Provides input field management, validation, submission, and form loading services for the collection -of {@link Ext.form.field.Field Field} instances within a {@link Ext.container.Container}. It is recommended -that you use a {@link Ext.form.Panel} as the form container, as that has logic to automatically -hook up an instance of {@link Ext.form.Basic} (plus other conveniences related to field configuration.) - -#Form Actions# - -The Basic class delegates the handling of form loads and submits to instances of {@link Ext.form.action.Action}. -See the various Action implementations for specific details of each one's functionality, as well as the -documentation for {@link #doAction} which details the configuration options that can be specified in -each action call. - -The default submit Action is {@link Ext.form.action.Submit}, which uses an Ajax request to submit the -form's values to a configured URL. To enable normal browser submission of an Ext form, use the -{@link #standardSubmit} config option. - -Note: File uploads are not performed using normal 'Ajax' techniques; see the description for -{@link #hasUpload} for details. - -#Example usage:# - - Ext.create('Ext.form.Panel', { - title: 'Basic Form', - renderTo: Ext.getBody(), - bodyPadding: 5, - width: 350, - - // Any configuration items here will be automatically passed along to - // the Ext.form.Basic instance when it gets created. - - // The form will submit an AJAX request to this URL when submitted - url: 'save-form.php', - - items: [{ - fieldLabel: 'Field', - name: 'theField' - }], - - buttons: [{ - text: 'Submit', - handler: function() { - // The getForm() method returns the Ext.form.Basic instance: - var form = this.up('form').getForm(); - if (form.isValid()) { - // Submit the Ajax request and handle the response - form.submit({ - success: function(form, action) { - Ext.Msg.alert('Success', action.result.msg); - }, - failure: function(form, action) { - Ext.Msg.alert('Failed', action.result.msg); - } - }); - } - } - }] - }); - - * @constructor - * @param {Ext.container.Container} owner The component that is the container for the form, usually a {@link Ext.form.Panel} - * @param {Object} config Configuration options. These are normally specified in the config to the - * {@link Ext.form.Panel} constructor, which passes them along to the BasicForm automatically. * - * @markdown + * Provides input field management, validation, submission, and form loading services for the collection + * of {@link Ext.form.field.Field Field} instances within a {@link Ext.container.Container}. It is recommended + * that you use a {@link Ext.form.Panel} as the form container, as that has logic to automatically + * hook up an instance of {@link Ext.form.Basic} (plus other conveniences related to field configuration.) + * + * ## Form Actions + * + * The Basic class delegates the handling of form loads and submits to instances of {@link Ext.form.action.Action}. + * See the various Action implementations for specific details of each one's functionality, as well as the + * documentation for {@link #doAction} which details the configuration options that can be specified in + * each action call. + * + * The default submit Action is {@link Ext.form.action.Submit}, which uses an Ajax request to submit the + * form's values to a configured URL. To enable normal browser submission of an Ext form, use the + * {@link #standardSubmit} config option. + * + * ## File uploads + * + * File uploads are not performed using normal 'Ajax' techniques; see the description for + * {@link #hasUpload} for details. If you're using file uploads you should read the method description. + * + * ## Example usage: + * + * Ext.create('Ext.form.Panel', { + * title: 'Basic Form', + * renderTo: Ext.getBody(), + * bodyPadding: 5, + * width: 350, + * + * // Any configuration items here will be automatically passed along to + * // the Ext.form.Basic instance when it gets created. + * + * // The form will submit an AJAX request to this URL when submitted + * url: 'save-form.php', + * + * items: [{ + * fieldLabel: 'Field', + * name: 'theField' + * }], + * + * buttons: [{ + * text: 'Submit', + * handler: function() { + * // The getForm() method returns the Ext.form.Basic instance: + * var form = this.up('form').getForm(); + * if (form.isValid()) { + * // Submit the Ajax request and handle the response + * form.submit({ + * success: function(form, action) { + * Ext.Msg.alert('Success', action.result.msg); + * }, + * failure: function(form, action) { + * Ext.Msg.alert('Failed', action.result.msg); + * } + * }); + * } + * } + * }] + * }); + * * @docauthor Jason Johnston <jason@sencha.com> */ - - - Ext.define('Ext.form.Basic', { extend: 'Ext.util.Observable', alternateClassName: 'Ext.form.BasicForm', requires: ['Ext.util.MixedCollection', 'Ext.form.action.Load', 'Ext.form.action.Submit', - 'Ext.window.MessageBox', 'Ext.data.Errors'], + 'Ext.window.MessageBox', 'Ext.data.Errors', 'Ext.util.DelayedTask'], + /** + * Creates new form. + * @param {Ext.container.Container} owner The component that is the container for the form, usually a {@link Ext.form.Panel} + * @param {Object} config Configuration options. These are normally specified in the config to the + * {@link Ext.form.Panel} constructor, which passes them along to the BasicForm automatically. + */ constructor: function(owner, config) { var me = this, onItemAddOrRemove = me.onItemAddOrRemove; - /** + /** * @property owner * @type Ext.container.Container * The container component to which this BasicForm is attached. @@ -102,36 +118,38 @@ Ext.define('Ext.form.Basic', { me.paramOrder = me.paramOrder.split(/[\s,|]/); } + me.checkValidityTask = Ext.create('Ext.util.DelayedTask', me.checkValidity, me); + me.addEvents( - /** + /** * @event beforeaction * Fires before any action is performed. Return false to cancel the action. * @param {Ext.form.Basic} this * @param {Ext.form.action.Action} action The {@link Ext.form.action.Action} to be performed */ 'beforeaction', - /** + /** * @event actionfailed * Fires when an action fails. * @param {Ext.form.Basic} this * @param {Ext.form.action.Action} action The {@link Ext.form.action.Action} that failed */ 'actionfailed', - /** + /** * @event actioncomplete * Fires when an action is completed. * @param {Ext.form.Basic} this * @param {Ext.form.action.Action} action The {@link Ext.form.action.Action} that completed */ 'actioncomplete', - /** + /** * @event validitychange * Fires when the validity of the entire form changes. * @param {Ext.form.Basic} this * @param {Boolean} valid <tt>true</tt> if the form is now valid, <tt>false</tt> if it is now invalid. */ 'validitychange', - /** + /** * @event dirtychange * Fires when the dirty state of the entire form changes. * @param {Ext.form.Basic} this @@ -142,7 +160,7 @@ Ext.define('Ext.form.Basic', { me.callParent(); }, - /** + /** * Do any post constructor initialization * @private */ @@ -151,17 +169,19 @@ Ext.define('Ext.form.Basic', { this.onValidityChange(!this.hasInvalidField()); }, - /** + /** * @cfg {String} method * The request method to use (GET or POST) for form actions if one isn't supplied in the action options. */ - /** + + /** * @cfg {Ext.data.reader.Reader} reader * An Ext.data.DataReader (e.g. {@link Ext.data.reader.Xml}) to be used to read * data when executing 'load' actions. This is optional as there is built-in * support for processing JSON responses. */ - /** + + /** * @cfg {Ext.data.reader.Reader} errorReader * <p>An Ext.data.DataReader (e.g. {@link Ext.data.reader.Xml}) to be used to * read field error messages returned from 'submit' actions. This is optional @@ -179,24 +199,24 @@ Ext.define('Ext.form.Basic', { </code></pre> */ - /** + /** * @cfg {String} url * The URL to use for form actions if one isn't supplied in the * {@link #doAction doAction} options. */ - /** + /** * @cfg {Object} baseParams * <p>Parameters to pass with all requests. e.g. baseParams: {id: '123', foo: 'bar'}.</p> - * <p>Parameters are encoded as standard HTTP parameters using {@link Ext#urlEncode Ext.Object.toQueryString}.</p> + * <p>Parameters are encoded as standard HTTP parameters using {@link Ext.Object#toQueryString}.</p> */ - /** + /** * @cfg {Number} timeout Timeout for form actions in seconds (default is 30 seconds). */ timeout: 30, - /** + /** * @cfg {Object} api (Optional) If specified, load and submit actions will be handled * with {@link Ext.form.action.DirectLoad} and {@link Ext.form.action.DirectLoad}. * Methods which have been imported by {@link Ext.direct.Manager} can be specified here to load and submit @@ -213,8 +233,8 @@ api: { * be set on the associated server-side method which has been imported by {@link Ext.direct.Manager}.</p> */ - /** - * @cfg {Array/String} paramOrder <p>A list of params to be executed server side. + /** + * @cfg {String/String[]} paramOrder <p>A list of params to be executed server side. * Defaults to <tt>undefined</tt>. Only used for the <code>{@link #api}</code> * <code>load</code> configuration.</p> * <p>Specify the params in the order in which they must be executed on the @@ -228,39 +248,39 @@ paramOrder: 'param1|param2|param' </code></pre> */ - /** - * @cfg {Boolean} paramsAsHash Only used for the <code>{@link #api}</code> + /** + * @cfg {Boolean} paramsAsHash + * Only used for the <code>{@link #api}</code> * <code>load</code> configuration. If <tt>true</tt>, parameters will be sent as a - * single hash collection of named arguments (defaults to <tt>false</tt>). Providing a + * single hash collection of named arguments. Providing a * <tt>{@link #paramOrder}</tt> nullifies this configuration. */ paramsAsHash: false, - /** + /** * @cfg {String} waitTitle - * The default title to show for the waiting message box (defaults to <tt>'Please Wait...'</tt>) + * The default title to show for the waiting message box */ waitTitle: 'Please Wait...', - /** - * @cfg {Boolean} trackResetOnLoad If set to <tt>true</tt>, {@link #reset}() resets to the last loaded - * or {@link #setValues}() data instead of when the form was first created. Defaults to <tt>false</tt>. + /** + * @cfg {Boolean} trackResetOnLoad + * If set to true, {@link #reset}() resets to the last loaded or {@link #setValues}() data instead of + * when the form was first created. */ trackResetOnLoad: false, - /** + /** * @cfg {Boolean} standardSubmit - * <p>If set to <tt>true</tt>, a standard HTML form submit is used instead - * of a XHR (Ajax) style form submission. Defaults to <tt>false</tt>. All of - * the field values, plus any additional params configured via {@link #baseParams} - * and/or the <code>options</code> to {@link #submit}, will be included in the - * values submitted in the form.</p> + * If set to true, a standard HTML form submit is used instead of a XHR (Ajax) style form submission. + * All of the field values, plus any additional params configured via {@link #baseParams} + * and/or the `options` to {@link #submit}, will be included in the values submitted in the form. */ - /** - * @cfg {Mixed} waitMsgTarget + /** + * @cfg {String/HTMLElement/Ext.Element} waitMsgTarget * By default wait messages are displayed with Ext.MessageBox.wait. You can target a specific - * element by passing it or its id or mask the form itself by passing in true. Defaults to <tt>undefined</tt>. + * element by passing it or its id or mask the form itself by passing in true. */ @@ -268,14 +288,15 @@ paramOrder: 'param1|param2|param' wasDirty: false, - /** + /** * Destroys this object. */ destroy: function() { this.clearListeners(); + this.checkValidityTask.cancel(); }, - /** + /** * @private * Handle addition or removal of descendant items. Invalidates the cached list of fields * so that {@link #getFields} will do a fresh query next time it is called. Also adds listeners @@ -300,22 +321,28 @@ paramOrder: 'param1|param2|param' if (child.isFormField) { handleField(child); - } - else if (isContainer) { + } else if (isContainer) { // Walk down - Ext.Array.forEach(child.query('[isFormField]'), handleField); + if (child.isDestroyed) { + // the container is destroyed, this means we may have child fields, so here + // we just invalidate all the fields to be sure. + delete me._fields; + } else { + Ext.Array.forEach(child.query('[isFormField]'), handleField); + } } // Flush the cached list of formBind components delete this._boundItems; - // Check form bind, but only after initial add + // Check form bind, but only after initial add. Batch it to prevent excessive validation + // calls when many fields are being added at once. if (me.initialized) { - me.onValidityChange(!me.hasInvalidField()); + me.checkValidityTask.delay(10); } }, - /** + /** * Return all the {@link Ext.form.field.Field} components in the owner container. * @return {Ext.util.MixedCollection} Collection of the Field objects */ @@ -328,16 +355,23 @@ paramOrder: 'param1|param2|param' return fields; }, + /** + * @private + * Finds and returns the set of all items bound to fields inside this form + * @return {Ext.util.MixedCollection} The set of all bound form field items + */ getBoundItems: function() { var boundItems = this._boundItems; - if (!boundItems) { + + if (!boundItems || boundItems.getCount() === 0) { boundItems = this._boundItems = Ext.create('Ext.util.MixedCollection'); boundItems.addAll(this.owner.query('[formBind]')); } + return boundItems; }, - /** + /** * Returns true if the form contains any invalid fields. No fields will be marked as invalid * as a result of calling this; to trigger marking of fields use {@link #isValid} instead. */ @@ -352,7 +386,7 @@ paramOrder: 'param1|param2|param' }); }, - /** + /** * Returns true if client-side validation on the form is successful. Any invalid fields will be * marked as invalid. If you only want to determine overall form validity without marking anything, * use {@link #hasInvalidField} instead. @@ -369,7 +403,7 @@ paramOrder: 'param1|param2|param' return invalid.length < 1; }, - /** + /** * Check whether the validity of the entire form has changed since it was last checked, and * if so fire the {@link #validitychange validitychange} event. This is automatically invoked * when an individual field's validity changes. @@ -384,7 +418,7 @@ paramOrder: 'param1|param2|param' } }, - /** + /** * @private * Handle changes in the form's validity. If there are any sub components with * formBind=true then they are enabled/disabled based on the new validity. @@ -401,7 +435,7 @@ paramOrder: 'param1|param2|param' } }, - /** + /** * <p>Returns true if any fields in this form have changed from their original values.</p> * <p>Note that if this BasicForm was configured with {@link #trackResetOnLoad} then the * Fields' <em>original values</em> are updated when the values are loaded by {@link #setValues} @@ -414,7 +448,7 @@ paramOrder: 'param1|param2|param' }); }, - /** + /** * Check whether the dirty state of the entire form has changed since it was last checked, and * if so fire the {@link #dirtychange dirtychange} event. This is automatically invoked * when an individual field's dirty state changes. @@ -427,7 +461,7 @@ paramOrder: 'param1|param2|param' } }, - /** + /** * <p>Returns true if the form contains a file upload field. This is used to determine the * method for submitting the form: File uploads are not performed using normal 'Ajax' techniques, * that is they are <b>not</b> performed using XMLHttpRequests. Instead a hidden <tt><form></tt> @@ -455,7 +489,7 @@ paramOrder: 'param1|param2|param' }); }, - /** + /** * Performs a predefined action (an implementation of {@link Ext.form.action.Action}) * to perform application-specific processing. * @param {String/Ext.form.action.Action} action The name of the predefined action type, @@ -524,9 +558,9 @@ paramOrder: 'param1|param2|param' return this; }, - /** + /** * Shortcut to {@link #doAction do} a {@link Ext.form.action.Submit submit action}. This will use the - * {@link Ext.form.action.Submit AJAX submit action} by default. If the {@link #standardsubmit} config is + * {@link Ext.form.action.Submit AJAX submit action} by default. If the {@link #standardSubmit} config is * enabled it will use a standard form element to submit, or if the {@link #api} config is present it will * use the {@link Ext.form.action.DirectLoad Ext.direct.Direct submit action}. * @param {Object} options The options to pass to the action (see {@link #doAction} for details).<br> @@ -572,7 +606,7 @@ myFormPanel.getForm().submit({ return this.doAction(this.standardSubmit ? 'standardsubmit' : this.api ? 'directsubmit' : 'submit', options); }, - /** + /** * Shortcut to {@link #doAction do} a {@link Ext.form.action.Load load action}. * @param {Object} options The options to pass to the action (see {@link #doAction} for details) * @return {Ext.form.Basic} this @@ -581,9 +615,9 @@ myFormPanel.getForm().submit({ return this.doAction(this.api ? 'directload' : 'load', options); }, - /** + /** * Persists the values in this form into the passed {@link Ext.data.Model} object in a beginEdit/endEdit block. - * @param {Ext.data.Record} record The record to edit + * @param {Ext.data.Model} record The record to edit * @return {Ext.form.Basic} this */ updateRecord: function(record) { @@ -606,9 +640,9 @@ myFormPanel.getForm().submit({ return this; }, - /** + /** * Loads an {@link Ext.data.Model} into this form by calling {@link #setValues} with the - * {@link Ext.data.Model#data record data}. + * {@link Ext.data.Model#raw record data}. * See also {@link #trackResetOnLoad}. * @param {Ext.data.Model} record The record to load * @return {Ext.form.Basic} this @@ -617,8 +651,8 @@ myFormPanel.getForm().submit({ this._record = record; return this.setValues(record.data); }, - - /** + + /** * Returns the last Ext.data.Model instance that was loaded via {@link #loadRecord} * @return {Ext.data.Model} The record */ @@ -626,7 +660,7 @@ myFormPanel.getForm().submit({ return this._record; }, - /** + /** * @private * Called before an action is performed via {@link #doAction}. * @param {Ext.form.action.Action} action The Action instance that was invoked @@ -656,7 +690,7 @@ myFormPanel.getForm().submit({ } }, - /** + /** * @private * Called after an action is performed via {@link #doAction}. * @param {Ext.form.action.Action} action The Action instance that was invoked @@ -688,7 +722,7 @@ myFormPanel.getForm().submit({ }, - /** + /** * Find a specific {@link Ext.form.field.Field} in this form by id or name. * @param {String} id The value to search for (specify either a {@link Ext.Component#id id} or * {@link Ext.form.field.Field#getName name or hiddenName}). @@ -701,9 +735,10 @@ myFormPanel.getForm().submit({ }, - /** + /** * Mark fields in this form invalid in bulk. - * @param {Array/Object} errors Either an array in the form <code>[{id:'fieldId', msg:'The message'}, ...]</code>, + * @param {Object/Object[]/Ext.data.Errors} errors + * Either an array in the form <code>[{id:'fieldId', msg:'The message'}, ...]</code>, * an object hash of <code>{id: msg, id2: msg2}</code>, or a {@link Ext.data.Errors} object. * @return {Ext.form.Basic} this */ @@ -733,9 +768,9 @@ myFormPanel.getForm().submit({ return this; }, - /** + /** * Set values for fields in this form in bulk. - * @param {Array/Object} values Either an array in the form:<pre><code> + * @param {Object/Object[]} values Either an array in the form:<pre><code> [{id:'clientName', value:'Fred. Olsen Lines'}, {id:'portOfLoading', value:'FXT'}, {id:'portOfDischarge', value:'OSL'} ]</code></pre> @@ -772,7 +807,7 @@ myFormPanel.getForm().submit({ return this; }, - /** + /** * Retrieves the fields in the form as a set of key/value pairs, using their * {@link Ext.form.field.Field#getSubmitData getSubmitData()} method to collect the values. * If multiple fields return values under the same name those values will be combined into an Array. @@ -822,7 +857,7 @@ myFormPanel.getForm().submit({ return values; }, - /** + /** * Retrieves the fields in the form as a set of key/value pairs, using their * {@link Ext.form.field.Field#getModelData getModelData()} method to collect the values. * If multiple fields return values under the same name those values will be combined into an Array. @@ -836,7 +871,7 @@ myFormPanel.getForm().submit({ return this.getValues(false, dirtyOnly, false, true); }, - /** + /** * Clears all invalid field messages in this form. * @return {Ext.form.Basic} this */ @@ -850,7 +885,7 @@ myFormPanel.getForm().submit({ return me; }, - /** + /** * Resets all fields in this form. * @return {Ext.form.Basic} this */ @@ -864,7 +899,7 @@ myFormPanel.getForm().submit({ return me; }, - /** + /** * Calls {@link Ext#apply Ext.apply} for all fields in this form with the passed object. * @param {Object} obj The object to be applied * @return {Ext.form.Basic} this @@ -876,7 +911,7 @@ myFormPanel.getForm().submit({ return this; }, - /** + /** * Calls {@link Ext#applyIf Ext.applyIf} for all field in this form with the passed object. * @param {Object} obj The object to be applied * @return {Ext.form.Basic} this @@ -888,7 +923,7 @@ myFormPanel.getForm().submit({ return this; }, - /** + /** * @private * Utility wrapper that suspends layouts of all field parent containers for the duration of a given * function. Used during full-form validation and resets to prevent huge numbers of layouts. @@ -921,4 +956,6 @@ myFormPanel.getForm().submit({ me.owner.doComponentLayout(); } }); -