david
28b02db2ea
git-svn-id: https://192.168.0.254/svn/Proyectos.Incam_SGD/tags/3.7.0.2_original@1 eb19766c-00d9-a042-a3a0-45cb8ec72764
1052 lines
38 KiB
JavaScript
1052 lines
38 KiB
JavaScript
/*
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* Ext JS Library 2.3.0
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* Copyright(c) 2006-2009, Ext JS, LLC.
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* licensing@extjs.com
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*
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* http://extjs.com/license
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*/
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/**
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* @class Ext.form.ComboBox
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* @extends Ext.form.TriggerField
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* <p>A combobox control with support for autocomplete, remote-loading, paging and many other features.</p>
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* A ComboBox works in a similar manner to a traditional HTML <select> field. The difference is that to submit the
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* {@link #valueField}, you must specify a {@link #hiddenName} to create a hidden input field to hold the
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* value of the valueField. The <i>{@link #displayField}</i> is shown in the text field which is named
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* according to the {@link #name}.
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* @constructor
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* Create a new ComboBox.
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* @param {Object} config Configuration options
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*/
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Ext.form.ComboBox = Ext.extend(Ext.form.TriggerField, {
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/**
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* @cfg {Mixed} transform The id, DOM node or element of an existing HTML SELECT to convert to a ComboBox.
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* Note that if you specify this and the combo is going to be in a {@link Ext.form.BasicForm} or
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* {@link Ext.form.FormPanel}, you must also set {@link #lazyRender} = true.
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*/
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/**
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* @cfg {Boolean} lazyRender True to prevent the ComboBox from rendering until requested (should always be used when
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* rendering into an Ext.Editor, defaults to false).
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*/
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/**
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* @cfg {Boolean/Object} autoCreate A DomHelper element spec, or true for a default element spec (defaults to:
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* {tag: "input", type: "text", size: "24", autocomplete: "off"})
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*/
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/**
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* @cfg {Ext.data.Store/Array} store The data source to which this combo is bound (defaults to undefined). This can be
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* any {@link Ext.data.Store} subclass, a 1-dimensional array (e.g., ['Foo','Bar']) or a 2-dimensional array (e.g.,
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* [['f','Foo'],['b','Bar']]). Arrays will be converted to a {@link Ext.data.SimpleStore} internally.
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* 1-dimensional arrays will automatically be expanded (each array item will be the combo value and text) and
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* for multi-dimensional arrays, the value in index 0 of each item will be assumed to be the combo value, while
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* the value at index 1 is assumed to be the combo text.
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*/
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/**
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* @cfg {String} title If supplied, a header element is created containing this text and added into the top of
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* the dropdown list (defaults to undefined, with no header element)
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*/
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// private
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defaultAutoCreate : {tag: "input", type: "text", size: "24", autocomplete: "off"},
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/**
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* @cfg {Number} listWidth The width (used as a parameter to {@link Ext.Element#setWidth}) of the dropdown list (defaults to the width of the ComboBox field)
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*/
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/**
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* @cfg {String} displayField The underlying data field name to bind to this ComboBox (defaults to undefined if
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* mode = 'remote' or 'text' if transforming a select)
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*/
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/**
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* @cfg {String} valueField The underlying data value name to bind to this ComboBox (defaults to undefined if
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* mode = 'remote' or 'value' if transforming a select) Note: use of a valueField requires the user to make a selection
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* in order for a value to be mapped.
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*/
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/**
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* @cfg {String} hiddenName If specified, a hidden form field with this name is dynamically generated to store the
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* field's data value (defaults to the underlying DOM element's name). Required for the combo's value to automatically
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* post during a form submission. Note that the hidden field's id will also default to this name if {@link #hiddenId}
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* is not specified. The combo's id and the hidden field's ids should be different, since no two DOM nodes should
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* share the same id, so if the combo and hidden names are the same, you should specify a unique hiddenId.
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*/
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/**
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* @cfg {String} hiddenId If {@link #hiddenName} is specified, hiddenId can also be provided to give the hidden field
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* a unique id (defaults to the hiddenName). The hiddenId and combo {@link #id} should be different, since no two DOM
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* nodes should share the same id.
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*/
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/**
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* @cfg {String} listClass CSS class to apply to the dropdown list element (defaults to '')
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*/
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listClass: '',
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/**
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* @cfg {String} selectedClass CSS class to apply to the selected item in the dropdown list (defaults to 'x-combo-selected')
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*/
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selectedClass: 'x-combo-selected',
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/**
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* @cfg {String} triggerClass An additional CSS class used to style the trigger button. The trigger will always get the
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* class 'x-form-trigger' and triggerClass will be <b>appended</b> if specified (defaults to 'x-form-arrow-trigger'
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* which displays a downward arrow icon).
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*/
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triggerClass : 'x-form-arrow-trigger',
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/**
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* @cfg {Boolean/String} shadow True or "sides" for the default effect, "frame" for 4-way shadow, and "drop" for bottom-right
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*/
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shadow:'sides',
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/**
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* @cfg {String} listAlign A valid anchor position value. See {@link Ext.Element#alignTo} for details on supported
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* anchor positions (defaults to 'tl-bl')
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*/
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listAlign: 'tl-bl?',
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/**
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* @cfg {Number} maxHeight The maximum height in pixels of the dropdown list before scrollbars are shown (defaults to 300)
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*/
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maxHeight: 300,
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/**
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* @cfg {Number} minHeight The minimum height in pixels of the dropdown list when the list is constrained by its
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* distance to the viewport edges (defaults to 90)
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*/
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minHeight: 90,
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/**
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* @cfg {String} triggerAction The action to execute when the trigger is clicked. Use 'all' to run the
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* query specified by the allQuery config option (defaults to 'query')
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*/
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triggerAction: 'query',
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/**
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* @cfg {Number} minChars The minimum number of characters the user must type before autocomplete and typeahead activate
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* (defaults to 4 if remote or 0 if local, does not apply if editable = false)
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*/
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minChars : 4,
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/**
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* @cfg {Boolean} typeAhead True to populate and autoselect the remainder of the text being typed after a configurable
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* delay ({@link #typeAheadDelay}) if it matches a known value (defaults to false)
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*/
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typeAhead: false,
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/**
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* @cfg {Number} queryDelay The length of time in milliseconds to delay between the start of typing and sending the
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* query to filter the dropdown list (defaults to 500 if mode = 'remote' or 10 if mode = 'local')
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*/
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queryDelay: 500,
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/**
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* @cfg {Number} pageSize If greater than 0, a paging toolbar is displayed in the footer of the dropdown list and the
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* filter queries will execute with page start and limit parameters. Only applies when mode = 'remote' (defaults to 0)
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*/
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pageSize: 0,
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/**
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* @cfg {Boolean} selectOnFocus True to select any existing text in the field immediately on focus. Only applies
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* when editable = true (defaults to false)
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*/
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selectOnFocus:false,
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/**
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* @cfg {String} queryParam Name of the query as it will be passed on the querystring (defaults to 'query')
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*/
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queryParam: 'query',
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/**
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* @cfg {String} loadingText The text to display in the dropdown list while data is loading. Only applies
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* when mode = 'remote' (defaults to 'Loading...')
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*/
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loadingText: 'Loading...',
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/**
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* @cfg {Boolean} resizable True to add a resize handle to the bottom of the dropdown list (defaults to false)
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*/
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resizable: false,
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/**
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* @cfg {Number} handleHeight The height in pixels of the dropdown list resize handle if resizable = true (defaults to 8)
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*/
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handleHeight : 8,
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/**
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* @cfg {Boolean} editable False to prevent the user from typing text directly into the field, just like a
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* traditional select (defaults to true)
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*/
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editable: true,
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/**
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* @cfg {String} allQuery The text query to send to the server to return all records for the list with no filtering (defaults to '')
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*/
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allQuery: '',
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/**
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* @cfg {String} mode Set to 'local' if the ComboBox loads local data (defaults to 'remote' which loads from the server)
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*/
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mode: 'remote',
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/**
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* @cfg {Number} minListWidth The minimum width of the dropdown list in pixels (defaults to 70, will be ignored if
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* listWidth has a higher value)
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*/
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minListWidth : 70,
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/**
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* @cfg {Boolean} forceSelection True to restrict the selected value to one of the values in the list, false to
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* allow the user to set arbitrary text into the field (defaults to false)
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*/
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forceSelection:false,
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/**
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* @cfg {Number} typeAheadDelay The length of time in milliseconds to wait until the typeahead text is displayed
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* if typeAhead = true (defaults to 250)
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*/
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typeAheadDelay : 250,
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/**
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* @cfg {String} valueNotFoundText When using a name/value combo, if the value passed to setValue is not found in
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* the store, valueNotFoundText will be displayed as the field text if defined (defaults to undefined). If this
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* defaut text is used, it means there is no value set and no validation will occur on this field.
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*/
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/**
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* @cfg {Boolean} lazyInit True to not initialize the list for this combo until the field is focused (defaults to true)
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*/
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lazyInit : true,
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/**
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* The value of the match string used to filter the store. Delete this property to force a requery.
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* Example use:<pre><code>
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var combo = new Ext.form.ComboBox({
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...
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mode: 'remote',
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...
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listeners: {
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// delete the previous query in the beforequery event or set
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// combo.lastQuery = null (this will reload the store the next time it expands)
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beforequery: function(qe){
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delete qe.combo.lastQuery;
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}
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}
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});
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</code></pre>
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* @property lastQuery
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* @type String
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*/
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// private
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initComponent : function(){
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Ext.form.ComboBox.superclass.initComponent.call(this);
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this.addEvents(
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/**
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* @event expand
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* Fires when the dropdown list is expanded
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* @param {Ext.form.ComboBox} combo This combo box
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*/
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'expand',
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/**
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* @event collapse
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* Fires when the dropdown list is collapsed
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* @param {Ext.form.ComboBox} combo This combo box
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*/
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'collapse',
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/**
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* @event beforeselect
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* Fires before a list item is selected. Return false to cancel the selection.
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* @param {Ext.form.ComboBox} combo This combo box
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* @param {Ext.data.Record} record The data record returned from the underlying store
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* @param {Number} index The index of the selected item in the dropdown list
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*/
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'beforeselect',
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/**
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* @event select
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* Fires when a list item is selected
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* @param {Ext.form.ComboBox} combo This combo box
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* @param {Ext.data.Record} record The data record returned from the underlying store
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* @param {Number} index The index of the selected item in the dropdown list
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*/
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'select',
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/**
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* @event beforequery
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* Fires before all queries are processed. Return false to cancel the query or set the queryEvent's
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* cancel property to true.
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* @param {Object} queryEvent An object that has these properties:<ul>
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* <li><code>combo</code> : Ext.form.ComboBox <div class="sub-desc">This combo box</div></li>
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* <li><code>query</code> : String <div class="sub-desc">The query</div></li>
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* <li><code>forceAll</code> : Boolean <div class="sub-desc">True to force "all" query</div></li>
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* <li><code>cancel</code> : Boolean <div class="sub-desc">Set to true to cancel the query</div></li>
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* </ul>
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*/
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'beforequery'
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);
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if(this.transform){
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this.allowDomMove = false;
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var s = Ext.getDom(this.transform);
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if(!this.hiddenName){
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this.hiddenName = s.name;
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}
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if(!this.store){
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this.mode = 'local';
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var d = [], opts = s.options;
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for(var i = 0, len = opts.length;i < len; i++){
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var o = opts[i],
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value = (o.hasAttribute ? o.hasAttribute('value') : o.getAttributeNode('value').specified) ? o.value : o.text;
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if(o.selected) {
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this.value = value;
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}
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d.push([value, o.text]);
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}
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this.store = new Ext.data.SimpleStore({
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'id': 0,
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fields: ['value', 'text'],
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data : d
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});
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this.valueField = 'value';
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this.displayField = 'text';
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}
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s.name = Ext.id(); // wipe out the name in case somewhere else they have a reference
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if(!this.lazyRender){
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this.target = true;
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this.el = Ext.DomHelper.insertBefore(s, this.autoCreate || this.defaultAutoCreate);
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Ext.removeNode(s); // remove it
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this.render(this.el.parentNode);
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}else{
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Ext.removeNode(s); // remove it
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}
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}
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//auto-configure store from local array data
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else if(Ext.isArray(this.store)){
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if (Ext.isArray(this.store[0])){
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this.store = new Ext.data.SimpleStore({
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fields: ['value','text'],
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data: this.store
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});
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this.valueField = 'value';
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}else{
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this.store = new Ext.data.SimpleStore({
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fields: ['text'],
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data: this.store,
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expandData: true
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});
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this.valueField = 'text';
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}
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this.displayField = 'text';
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this.mode = 'local';
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}
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this.selectedIndex = -1;
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if(this.mode == 'local'){
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if(this.initialConfig.queryDelay === undefined){
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this.queryDelay = 10;
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}
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if(this.initialConfig.minChars === undefined){
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this.minChars = 0;
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}
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}
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},
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// private
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onRender : function(ct, position){
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Ext.form.ComboBox.superclass.onRender.call(this, ct, position);
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if(this.hiddenName){
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this.hiddenField = this.el.insertSibling({tag:'input', type:'hidden', name: this.hiddenName,
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id: (this.hiddenId||this.hiddenName)}, 'before', true);
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// prevent input submission
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this.el.dom.removeAttribute('name');
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}
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if(Ext.isGecko){
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this.el.dom.setAttribute('autocomplete', 'off');
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}
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if(!this.lazyInit){
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this.initList();
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}else{
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this.on('focus', this.initList, this, {single: true});
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}
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if(!this.editable){
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this.editable = true;
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this.setEditable(false);
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}
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},
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// private
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initValue : function(){
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Ext.form.ComboBox.superclass.initValue.call(this);
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if(this.hiddenField){
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this.hiddenField.value =
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this.hiddenValue !== undefined ? this.hiddenValue :
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this.value !== undefined ? this.value : '';
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}
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},
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// private
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initList : function(){
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if(!this.list){
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var cls = 'x-combo-list';
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this.list = new Ext.Layer({
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shadow: this.shadow, cls: [cls, this.listClass].join(' '), constrain:false
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});
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var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);
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this.list.setWidth(lw);
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this.list.swallowEvent('mousewheel');
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this.assetHeight = 0;
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if(this.title){
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this.header = this.list.createChild({cls:cls+'-hd', html: this.title});
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this.assetHeight += this.header.getHeight();
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}
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this.innerList = this.list.createChild({cls:cls+'-inner'});
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this.innerList.on('mouseover', this.onViewOver, this);
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this.innerList.on('mousemove', this.onViewMove, this);
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this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));
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if(this.pageSize){
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this.footer = this.list.createChild({cls:cls+'-ft'});
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this.pageTb = new Ext.PagingToolbar({
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store:this.store,
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pageSize: this.pageSize,
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renderTo:this.footer
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});
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this.assetHeight += this.footer.getHeight();
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}
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if(!this.tpl){
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/**
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* @cfg {String/Ext.XTemplate} tpl The template string, or {@link Ext.XTemplate}
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* instance to use to display each item in the dropdown list. Use
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* this to create custom UI layouts for items in the list.
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* <p>
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* If you wish to preserve the default visual look of list items, add the CSS
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* class name <pre>x-combo-list-item</pre> to the template's container element.
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* <p>
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* <b>The template must contain one or more substitution parameters using field
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* names from the Combo's</b> {@link #store Store}. An example of a custom template
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* would be adding an <pre>ext:qtip</pre> attribute which might display other fields
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* from the Store.
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* <p>
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* The dropdown list is displayed in a DataView. See {@link Ext.DataView} for details.
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*/
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this.tpl = '<tpl for="."><div class="'+cls+'-item">{' + this.displayField + '}</div></tpl>';
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/**
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* @cfg {String} itemSelector
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* <b>This setting is required if a custom XTemplate has been specified in {@link #tpl}
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* which assigns a class other than <pre>'x-combo-list-item'</pre> to dropdown list items</b>.
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* A simple CSS selector (e.g. div.some-class or span:first-child) that will be
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* used to determine what nodes the DataView which handles the dropdown display will
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* be working with.
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*/
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}
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/**
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* The {@link Ext.DataView DataView} used to display the ComboBox's options.
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* @type Ext.DataView
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*/
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this.view = new Ext.DataView({
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applyTo: this.innerList,
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tpl: this.tpl,
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singleSelect: true,
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selectedClass: this.selectedClass,
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itemSelector: this.itemSelector || '.' + cls + '-item'
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});
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this.view.on('click', this.onViewClick, this);
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this.bindStore(this.store, true);
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if(this.resizable){
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this.resizer = new Ext.Resizable(this.list, {
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pinned:true, handles:'se'
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});
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this.resizer.on('resize', function(r, w, h){
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this.maxHeight = h-this.handleHeight-this.list.getFrameWidth('tb')-this.assetHeight;
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this.listWidth = w;
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this.innerList.setWidth(w - this.list.getFrameWidth('lr'));
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this.restrictHeight();
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}, this);
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this[this.pageSize?'footer':'innerList'].setStyle('margin-bottom', this.handleHeight+'px');
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}
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}
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},
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/**
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* Returns the store associated with this combo.
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* @return {Ext.data.Store} The store
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*/
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getStore : function(){
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return this.store;
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},
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// private
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bindStore : function(store, initial){
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if(this.store && !initial){
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this.store.un('beforeload', this.onBeforeLoad, this);
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this.store.un('load', this.onLoad, this);
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this.store.un('loadexception', this.collapse, this);
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if(!store){
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this.store = null;
|
|
if(this.view){
|
|
this.view.setStore(null);
|
|
}
|
|
}
|
|
}
|
|
if(store){
|
|
this.store = Ext.StoreMgr.lookup(store);
|
|
|
|
this.store.on('beforeload', this.onBeforeLoad, this);
|
|
this.store.on('load', this.onLoad, this);
|
|
this.store.on('loadexception', this.collapse, this);
|
|
|
|
if(this.view){
|
|
this.view.setStore(store);
|
|
}
|
|
}
|
|
},
|
|
|
|
// private
|
|
initEvents : function(){
|
|
Ext.form.ComboBox.superclass.initEvents.call(this);
|
|
|
|
this.keyNav = new Ext.KeyNav(this.el, {
|
|
"up" : function(e){
|
|
this.inKeyMode = true;
|
|
this.selectPrev();
|
|
},
|
|
|
|
"down" : function(e){
|
|
if(!this.isExpanded()){
|
|
this.onTriggerClick();
|
|
}else{
|
|
this.inKeyMode = true;
|
|
this.selectNext();
|
|
}
|
|
},
|
|
|
|
"enter" : function(e){
|
|
this.onViewClick();
|
|
this.delayedCheck = true;
|
|
this.unsetDelayCheck.defer(10, this);
|
|
},
|
|
|
|
"esc" : function(e){
|
|
this.collapse();
|
|
},
|
|
|
|
"tab" : function(e){
|
|
this.onViewClick(false);
|
|
return true;
|
|
},
|
|
|
|
scope : this,
|
|
|
|
doRelay : function(foo, bar, hname){
|
|
if(hname == 'down' || this.scope.isExpanded()){
|
|
return Ext.KeyNav.prototype.doRelay.apply(this, arguments);
|
|
}
|
|
return true;
|
|
},
|
|
|
|
forceKeyDown : true
|
|
});
|
|
this.queryDelay = Math.max(this.queryDelay || 10,
|
|
this.mode == 'local' ? 10 : 250);
|
|
this.dqTask = new Ext.util.DelayedTask(this.initQuery, this);
|
|
if(this.typeAhead){
|
|
this.taTask = new Ext.util.DelayedTask(this.onTypeAhead, this);
|
|
}
|
|
if(this.editable !== false && !this.enableKeyEvents){
|
|
this.el.on("keyup", this.onKeyUp, this);
|
|
}
|
|
},
|
|
|
|
// private
|
|
onDestroy : function(){
|
|
if (this.dqTask){
|
|
this.dqTask.cancel();
|
|
this.dqTask = null;
|
|
}
|
|
this.bindStore(null);
|
|
Ext.destroy(
|
|
this.resizer,
|
|
this.view,
|
|
this.pageTb,
|
|
this.innerList,
|
|
this.list
|
|
);
|
|
Ext.form.ComboBox.superclass.onDestroy.call(this);
|
|
},
|
|
|
|
// private
|
|
unsetDelayCheck : function(){
|
|
delete this.delayedCheck;
|
|
},
|
|
|
|
// private
|
|
fireKey : function(e){
|
|
var fn = function(ev){
|
|
if (ev.isNavKeyPress() && !this.isExpanded() && !this.delayedCheck) {
|
|
this.fireEvent("specialkey", this, ev);
|
|
}
|
|
};
|
|
//For some reason I can't track down, the events fire in a different order in webkit.
|
|
//Need a slight delay here
|
|
if(this.inEditor && Ext.isWebKit && e.getKey() == e.TAB){
|
|
fn.defer(10, this, [new Ext.EventObjectImpl(e)]);
|
|
}else{
|
|
fn.call(this, e);
|
|
}
|
|
},
|
|
|
|
// private
|
|
onResize: function(w, h){
|
|
Ext.form.ComboBox.superclass.onResize.apply(this, arguments);
|
|
if(this.list && this.listWidth === undefined){
|
|
var lw = Math.max(w, this.minListWidth);
|
|
this.list.setWidth(lw);
|
|
this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));
|
|
}
|
|
},
|
|
|
|
// private
|
|
onEnable: function(){
|
|
Ext.form.ComboBox.superclass.onEnable.apply(this, arguments);
|
|
if(this.hiddenField){
|
|
this.hiddenField.disabled = false;
|
|
}
|
|
},
|
|
|
|
// private
|
|
onDisable: function(){
|
|
Ext.form.ComboBox.superclass.onDisable.apply(this, arguments);
|
|
if(this.hiddenField){
|
|
this.hiddenField.disabled = true;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Allow or prevent the user from directly editing the field text. If false is passed,
|
|
* the user will only be able to select from the items defined in the dropdown list. This method
|
|
* is the runtime equivalent of setting the 'editable' config option at config time.
|
|
* @param {Boolean} value True to allow the user to directly edit the field text
|
|
*/
|
|
setEditable : function(value){
|
|
if(value == this.editable){
|
|
return;
|
|
}
|
|
this.editable = value;
|
|
if(!value){
|
|
this.el.dom.setAttribute('readOnly', true);
|
|
this.el.on('mousedown', this.onTriggerClick, this);
|
|
this.el.addClass('x-combo-noedit');
|
|
}else{
|
|
this.el.dom.removeAttribute('readOnly');
|
|
this.el.un('mousedown', this.onTriggerClick, this);
|
|
this.el.removeClass('x-combo-noedit');
|
|
}
|
|
},
|
|
|
|
// private
|
|
onBeforeLoad : function(){
|
|
if(!this.hasFocus){
|
|
return;
|
|
}
|
|
this.innerList.update(this.loadingText ?
|
|
'<div class="loading-indicator">'+this.loadingText+'</div>' : '');
|
|
this.restrictHeight();
|
|
this.selectedIndex = -1;
|
|
},
|
|
|
|
// private
|
|
onLoad : function(){
|
|
if(!this.hasFocus){
|
|
return;
|
|
}
|
|
if(this.store.getCount() > 0){
|
|
this.expand();
|
|
this.restrictHeight();
|
|
if(this.lastQuery == this.allQuery){
|
|
if(this.editable){
|
|
this.el.dom.select();
|
|
}
|
|
if(!this.selectByValue(this.value, true)){
|
|
this.select(0, true);
|
|
}
|
|
}else{
|
|
this.selectNext();
|
|
if(this.typeAhead && this.lastKey != Ext.EventObject.BACKSPACE && this.lastKey != Ext.EventObject.DELETE){
|
|
this.taTask.delay(this.typeAheadDelay);
|
|
}
|
|
}
|
|
}else{
|
|
this.onEmptyResults();
|
|
}
|
|
//this.el.focus();
|
|
},
|
|
|
|
// private
|
|
onTypeAhead : function(){
|
|
if(this.store.getCount() > 0){
|
|
var r = this.store.getAt(0);
|
|
var newValue = r.data[this.displayField];
|
|
var len = newValue.length;
|
|
var selStart = this.getRawValue().length;
|
|
if(selStart != len){
|
|
this.setRawValue(newValue);
|
|
this.selectText(selStart, newValue.length);
|
|
}
|
|
}
|
|
},
|
|
|
|
// private
|
|
onSelect : function(record, index){
|
|
if(this.fireEvent('beforeselect', this, record, index) !== false){
|
|
this.setValue(record.data[this.valueField || this.displayField]);
|
|
this.collapse();
|
|
this.fireEvent('select', this, record, index);
|
|
}
|
|
},
|
|
|
|
// inherit docs
|
|
getName: function(){
|
|
var hf = this.hiddenField;
|
|
return hf && hf.name ? hf.name : this.hiddenName || Ext.form.ComboBox.superclass.getName.call(this);
|
|
},
|
|
|
|
/**
|
|
* Returns the currently selected field value or empty string if no value is set.
|
|
* @return {String} value The selected value
|
|
*/
|
|
getValue : function(){
|
|
if(this.valueField){
|
|
return typeof this.value != 'undefined' ? this.value : '';
|
|
}else{
|
|
return Ext.form.ComboBox.superclass.getValue.call(this);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Clears any text/value currently set in the field
|
|
*/
|
|
clearValue : function(){
|
|
if(this.hiddenField){
|
|
this.hiddenField.value = '';
|
|
}
|
|
this.setRawValue('');
|
|
this.lastSelectionText = '';
|
|
this.applyEmptyText();
|
|
this.value = '';
|
|
},
|
|
|
|
/**
|
|
* Sets the specified value into the field. If the value finds a match, the corresponding record text
|
|
* will be displayed in the field. If the value does not match the data value of an existing item,
|
|
* and the valueNotFoundText config option is defined, it will be displayed as the default field text.
|
|
* Otherwise the field will be blank (although the value will still be set).
|
|
* @param {String} value The value to match
|
|
*/
|
|
setValue : function(v){
|
|
var text = v;
|
|
if(this.valueField){
|
|
var r = this.findRecord(this.valueField, v);
|
|
if(r){
|
|
text = r.data[this.displayField];
|
|
}else if(this.valueNotFoundText !== undefined){
|
|
text = this.valueNotFoundText;
|
|
}
|
|
}
|
|
this.lastSelectionText = text;
|
|
if(this.hiddenField){
|
|
this.hiddenField.value = v;
|
|
}
|
|
Ext.form.ComboBox.superclass.setValue.call(this, text);
|
|
this.value = v;
|
|
},
|
|
|
|
// private
|
|
findRecord : function(prop, value){
|
|
var record;
|
|
if(this.store.getCount() > 0){
|
|
this.store.each(function(r){
|
|
if(r.data[prop] == value){
|
|
record = r;
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
return record;
|
|
},
|
|
|
|
// private
|
|
onViewMove : function(e, t){
|
|
this.inKeyMode = false;
|
|
},
|
|
|
|
// private
|
|
onViewOver : function(e, t){
|
|
if(this.inKeyMode){ // prevent key nav and mouse over conflicts
|
|
return;
|
|
}
|
|
var item = this.view.findItemFromChild(t);
|
|
if(item){
|
|
var index = this.view.indexOf(item);
|
|
this.select(index, false);
|
|
}
|
|
},
|
|
|
|
// private
|
|
onViewClick : function(doFocus){
|
|
var index = this.view.getSelectedIndexes()[0];
|
|
var r = this.store.getAt(index);
|
|
if(r){
|
|
this.onSelect(r, index);
|
|
}
|
|
if(doFocus !== false){
|
|
this.el.focus();
|
|
}
|
|
},
|
|
|
|
// private
|
|
restrictHeight : function(){
|
|
this.innerList.dom.style.height = '';
|
|
var inner = this.innerList.dom;
|
|
var pad = this.list.getFrameWidth('tb')+(this.resizable?this.handleHeight:0)+this.assetHeight;
|
|
var h = Math.max(inner.clientHeight, inner.offsetHeight, inner.scrollHeight);
|
|
var ha = this.getPosition()[1]-Ext.getBody().getScroll().top;
|
|
var hb = Ext.lib.Dom.getViewHeight()-ha-this.getSize().height;
|
|
var space = Math.max(ha, hb, this.minHeight || 0)-this.list.shadowOffset-pad-5;
|
|
h = Math.min(h, space, this.maxHeight);
|
|
|
|
this.innerList.setHeight(h);
|
|
this.list.beginUpdate();
|
|
this.list.setHeight(h+pad);
|
|
this.list.alignTo(this.wrap, this.listAlign);
|
|
this.list.endUpdate();
|
|
},
|
|
|
|
// private
|
|
onEmptyResults : function(){
|
|
this.collapse();
|
|
},
|
|
|
|
/**
|
|
* Returns true if the dropdown list is expanded, else false.
|
|
*/
|
|
isExpanded : function(){
|
|
return this.list && this.list.isVisible();
|
|
},
|
|
|
|
/**
|
|
* Select an item in the dropdown list by its data value. This function does NOT cause the select event to fire.
|
|
* The store must be loaded and the list expanded for this function to work, otherwise use setValue.
|
|
* @param {String} value The data value of the item to select
|
|
* @param {Boolean} scrollIntoView False to prevent the dropdown list from autoscrolling to display the
|
|
* selected item if it is not currently in view (defaults to true)
|
|
* @return {Boolean} True if the value matched an item in the list, else false
|
|
*/
|
|
selectByValue : function(v, scrollIntoView){
|
|
if(v !== undefined && v !== null){
|
|
var r = this.findRecord(this.valueField || this.displayField, v);
|
|
if(r){
|
|
this.select(this.store.indexOf(r), scrollIntoView);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Select an item in the dropdown list by its numeric index in the list. This function does NOT cause the select event to fire.
|
|
* The store must be loaded and the list expanded for this function to work, otherwise use setValue.
|
|
* @param {Number} index The zero-based index of the list item to select
|
|
* @param {Boolean} scrollIntoView False to prevent the dropdown list from autoscrolling to display the
|
|
* selected item if it is not currently in view (defaults to true)
|
|
*/
|
|
select : function(index, scrollIntoView){
|
|
this.selectedIndex = index;
|
|
this.view.select(index);
|
|
if(scrollIntoView !== false){
|
|
var el = this.view.getNode(index);
|
|
if(el){
|
|
this.innerList.scrollChildIntoView(el, false);
|
|
}
|
|
}
|
|
},
|
|
|
|
// private
|
|
selectNext : function(){
|
|
var ct = this.store.getCount();
|
|
if(ct > 0){
|
|
if(this.selectedIndex == -1){
|
|
this.select(0);
|
|
}else if(this.selectedIndex < ct-1){
|
|
this.select(this.selectedIndex+1);
|
|
}
|
|
}
|
|
},
|
|
|
|
// private
|
|
selectPrev : function(){
|
|
var ct = this.store.getCount();
|
|
if(ct > 0){
|
|
if(this.selectedIndex == -1){
|
|
this.select(0);
|
|
}else if(this.selectedIndex != 0){
|
|
this.select(this.selectedIndex-1);
|
|
}
|
|
}
|
|
},
|
|
|
|
// private
|
|
onKeyUp : function(e){
|
|
var k = e.getKey();
|
|
if(this.editable !== false && (k == e.BACKSPACE || !e.isSpecialKey())){
|
|
this.lastKey = k;
|
|
this.dqTask.delay(this.queryDelay);
|
|
}
|
|
Ext.form.ComboBox.superclass.onKeyUp.call(this, e);
|
|
},
|
|
|
|
// private
|
|
validateBlur : function(){
|
|
return !this.list || !this.list.isVisible();
|
|
},
|
|
|
|
// private
|
|
initQuery : function(){
|
|
this.doQuery(this.getRawValue());
|
|
},
|
|
|
|
// private
|
|
beforeBlur : function(){
|
|
var val = this.getRawValue();
|
|
if(this.forceSelection){
|
|
if(val.length > 0 && val != this.emptyText){
|
|
this.el.dom.value = this.lastSelectionText === undefined ? '' : this.lastSelectionText;
|
|
this.applyEmptyText();
|
|
}else{
|
|
this.clearValue();
|
|
}
|
|
}else{
|
|
var rec = this.findRecord(this.displayField, val);
|
|
if(rec){
|
|
val = rec.get(this.valueField || this.displayField);
|
|
}
|
|
this.setValue(val);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Execute a query to filter the dropdown list. Fires the {@link #beforequery} event prior to performing the
|
|
* query allowing the query action to be canceled if needed.
|
|
* @param {String} query The SQL query to execute
|
|
* @param {Boolean} forceAll True to force the query to execute even if there are currently fewer characters
|
|
* in the field than the minimum specified by the minChars config option. It also clears any filter previously
|
|
* saved in the current store (defaults to false)
|
|
*/
|
|
doQuery : function(q, forceAll){
|
|
if(q === undefined || q === null){
|
|
q = '';
|
|
}
|
|
var qe = {
|
|
query: q,
|
|
forceAll: forceAll,
|
|
combo: this,
|
|
cancel:false
|
|
};
|
|
if(this.fireEvent('beforequery', qe)===false || qe.cancel){
|
|
return false;
|
|
}
|
|
q = qe.query;
|
|
forceAll = qe.forceAll;
|
|
if(forceAll === true || (q.length >= this.minChars)){
|
|
if(this.lastQuery !== q){
|
|
this.lastQuery = q;
|
|
if(this.mode == 'local'){
|
|
this.selectedIndex = -1;
|
|
if(forceAll){
|
|
this.store.clearFilter();
|
|
}else{
|
|
this.store.filter(this.displayField, q);
|
|
}
|
|
this.onLoad();
|
|
}else{
|
|
this.store.baseParams[this.queryParam] = q;
|
|
this.store.load({
|
|
params: this.getParams(q)
|
|
});
|
|
this.expand();
|
|
}
|
|
}else{
|
|
this.selectedIndex = -1;
|
|
this.onLoad();
|
|
}
|
|
}
|
|
},
|
|
|
|
// private
|
|
getParams : function(q){
|
|
var p = {};
|
|
//p[this.queryParam] = q;
|
|
if(this.pageSize){
|
|
p.start = 0;
|
|
p.limit = this.pageSize;
|
|
}
|
|
return p;
|
|
},
|
|
|
|
/**
|
|
* Hides the dropdown list if it is currently expanded. Fires the {@link #collapse} event on completion.
|
|
*/
|
|
collapse : function(){
|
|
if(!this.isExpanded()){
|
|
return;
|
|
}
|
|
this.list.hide();
|
|
Ext.getDoc().un('mousewheel', this.collapseIf, this);
|
|
Ext.getDoc().un('mousedown', this.collapseIf, this);
|
|
this.fireEvent('collapse', this);
|
|
},
|
|
|
|
// private
|
|
collapseIf : function(e){
|
|
if(!e.within(this.wrap) && !e.within(this.list)){
|
|
this.collapse();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Expands the dropdown list if it is currently hidden. Fires the {@link #expand} event on completion.
|
|
*/
|
|
expand : function(){
|
|
if(this.isExpanded() || !this.hasFocus){
|
|
return;
|
|
}
|
|
this.list.alignTo(this.wrap, this.listAlign);
|
|
this.list.show();
|
|
if(Ext.isGecko2){
|
|
this.innerList.setOverflow('auto'); // necessary for FF 2.0/Mac
|
|
}
|
|
Ext.getDoc().on('mousewheel', this.collapseIf, this);
|
|
Ext.getDoc().on('mousedown', this.collapseIf, this);
|
|
this.fireEvent('expand', this);
|
|
},
|
|
|
|
/**
|
|
* @method onTriggerClick
|
|
* @hide
|
|
*/
|
|
// private
|
|
// Implements the default empty TriggerField.onTriggerClick function
|
|
onTriggerClick : function(){
|
|
if(this.disabled){
|
|
return;
|
|
}
|
|
if(this.isExpanded()){
|
|
this.collapse();
|
|
this.el.focus();
|
|
}else {
|
|
this.onFocus({});
|
|
if(this.triggerAction == 'all') {
|
|
this.doQuery(this.allQuery, true);
|
|
} else {
|
|
this.doQuery(this.getRawValue());
|
|
}
|
|
this.el.focus();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @hide
|
|
* @method autoSize
|
|
*/
|
|
/**
|
|
* @cfg {Boolean} grow @hide
|
|
*/
|
|
/**
|
|
* @cfg {Number} growMin @hide
|
|
*/
|
|
/**
|
|
* @cfg {Number} growMax @hide
|
|
*/
|
|
|
|
});
|
|
Ext.reg('combo', Ext.form.ComboBox); |