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18 <pre class="prettyprint lang-js"><span id='Ext-form-field-Trigger-method-constructor'><span id='Ext-form-field-Trigger'>/**
19 </span></span> * @class Ext.form.field.Trigger
20 * @extends Ext.form.field.Text
21 * <p>Provides a convenient wrapper for TextFields that adds a clickable trigger button (looks like a combobox by default).
22 * The trigger has no default action, so you must assign a function to implement the trigger click handler by
23 * overriding {@link #onTriggerClick}. You can create a Trigger field directly, as it renders exactly like a combobox
24 * for which you can provide a custom implementation.
25 * {@img Ext.form.field.Trigger/Ext.form.field.Trigger.png Ext.form.field.Trigger component}
26 * For example:</p>
27 * <pre><code>
28 Ext.define('Ext.ux.CustomTrigger', {
29 extend: 'Ext.form.field.Trigger',
30 alias: 'widget.customtrigger',
32 // override onTriggerClick
33 onTriggerClick: function() {
34 Ext.Msg.alert('Status', 'You clicked my trigger!');
38 Ext.create('Ext.form.FormPanel', {
39 title: 'Form with TriggerField',
42 renderTo: Ext.getBody(),
44 xtype: 'customtrigger',
45 fieldLabel: 'Sample Trigger',
46 emptyText: 'click the trigger',
49 </code></pre>
51 * <p>However, in general you will most likely want to use Trigger as the base class for a reusable component.
52 * {@link Ext.form.field.Date} and {@link Ext.form.field.ComboBox} are perfect examples of this.</p>
55 * Create a new Trigger field.
56 * @param {Object} config Configuration options (valid {@Ext.form.field.Text} config options will also be applied
57 * to the base Text field)
60 Ext.define('Ext.form.field.Trigger', {
61 extend:'Ext.form.field.Text',
62 alias: ['widget.triggerfield', 'widget.trigger'],
63 requires: ['Ext.core.DomHelper', 'Ext.util.ClickRepeater', 'Ext.layout.component.field.Trigger'],
64 alternateClassName: ['Ext.form.TriggerField', 'Ext.form.TwinTriggerField', 'Ext.form.Trigger'],
67 '<input id="{id}" type="{type}" ',
68 '<tpl if="name">name="{name}" </tpl>',
69 '<tpl if="size">size="{size}" </tpl>',
70 '<tpl if="tabIdx">tabIndex="{tabIdx}" </tpl>',
71 'class="{fieldCls} {typeCls}" autocomplete="off" />',
72 '<div class="{triggerWrapCls}" role="presentation">',
74 '<div class="{clearCls}" role="presentation"></div>',
82 <span id='Ext-form-field-Trigger-cfg-triggerCls'> /**
83 </span> * @cfg {String} triggerCls
84 * An additional CSS class used to style the trigger button. The trigger will always get the
85 * {@link #triggerBaseCls} by default and <tt>triggerCls</tt> will be <b>appended</b> if specified.
86 * Defaults to undefined.
89 <span id='Ext-form-field-Trigger-cfg-triggerBaseCls'> /**
90 </span> * @cfg {String} triggerBaseCls
91 * The base CSS class that is always added to the trigger button. The {@link #triggerCls} will be
92 * appended in addition to this class.
94 triggerBaseCls: Ext.baseCSSPrefix + 'form-trigger',
96 <span id='Ext-form-field-Trigger-cfg-triggerWrapCls'> /**
97 </span> * @cfg {String} triggerWrapCls
98 * The CSS class that is added to the div wrapping the trigger button(s).
100 triggerWrapCls: Ext.baseCSSPrefix + 'form-trigger-wrap',
102 <span id='Ext-form-field-Trigger-cfg-hideTrigger'> /**
103 </span> * @cfg {Boolean} hideTrigger <tt>true</tt> to hide the trigger element and display only the base
104 * text field (defaults to <tt>false</tt>)
108 <span id='Ext-form-field-Trigger-cfg-editable'> /**
109 </span> * @cfg {Boolean} editable <tt>false</tt> to prevent the user from typing text directly into the field;
110 * the field can only have its value set via an action invoked by the trigger. (defaults to <tt>true</tt>).
114 <span id='Ext-form-field-Trigger-cfg-readOnly'> /**
115 </span> * @cfg {Boolean} readOnly <tt>true</tt> to prevent the user from changing the field, and
116 * hides the trigger. Supercedes the editable and hideTrigger options if the value is true.
117 * (defaults to <tt>false</tt>)
121 <span id='Ext-form-field-Trigger-cfg-selectOnFocus'> /**
122 </span> * @cfg {Boolean} selectOnFocus <tt>true</tt> to select any existing text in the field immediately on focus.
123 * Only applies when <tt>{@link #editable editable} = true</tt> (defaults to <tt>false</tt>).
126 <span id='Ext-form-field-Trigger-cfg-repeatTriggerClick'> /**
127 </span> * @cfg {Boolean} repeatTriggerClick <tt>true</tt> to attach a {@link Ext.util.ClickRepeater click repeater}
128 * to the trigger. Defaults to <tt>false</tt>.
130 repeatTriggerClick: false,
133 <span id='Ext-form-field-Trigger-method-autoSize'> /**
137 autoSize: Ext.emptyFn,
143 triggerIndexRe: /trigger-index-(\d+)/,
145 componentLayout: 'triggerfield',
147 initComponent: function() {
148 this.wrapFocusCls = this.triggerWrapCls + '-focus';
149 this.callParent(arguments);
153 onRender: function(ct, position) {
156 triggerBaseCls = me.triggerBaseCls,
157 triggerWrapCls = me.triggerWrapCls,
161 // triggerCls is a synonym for trigger1Cls, so copy it.
162 // TODO this trigger<n>Cls API design doesn't feel clean, especially where it butts up against the
163 // single triggerCls config. Should rethink this, perhaps something more structured like a list of
164 // trigger config objects that hold cls, handler, etc.
165 if (!me.trigger1Cls) {
166 me.trigger1Cls = me.triggerCls;
169 // Create as many trigger elements as we have trigger<n>Cls configs, but always at least one
170 for (i = 0; (triggerCls = me['trigger' + (i + 1) + 'Cls']) || i < 1; i++) {
171 triggerConfigs.push({
172 cls: [Ext.baseCSSPrefix + 'trigger-index-' + i, triggerBaseCls, triggerCls].join(' '),
176 triggerConfigs[i - 1].cls += ' ' + triggerBaseCls + '-last';
178 Ext.applyIf(me.renderSelectors, {
179 <span id='Ext-form-field-Trigger-property-triggerWrap'> /**
180 </span> * @property triggerWrap
181 * @type Ext.core.Element
182 * A reference to the div element wrapping the trigger button(s). Only set after the field has been rendered.
184 triggerWrap: '.' + triggerWrapCls
186 Ext.applyIf(me.subTplData, {
187 triggerWrapCls: triggerWrapCls,
188 triggerEl: Ext.core.DomHelper.markup(triggerConfigs),
189 clearCls: me.clearCls
192 me.callParent(arguments);
194 <span id='Ext-form-field-Trigger-property-triggerEl'> /**
195 </span> * @property triggerEl
196 * @type Ext.CompositeElement
197 * A composite of all the trigger button elements. Only set after the field has been rendered.
199 me.triggerEl = Ext.select('.' + triggerBaseCls, true, me.triggerWrap.dom);
201 me.doc = Ext.isIE ? Ext.getBody() : Ext.getDoc();
205 onEnable: function() {
207 this.triggerWrap.unmask();
210 onDisable: function() {
212 this.triggerWrap.mask();
215 afterRender: function() {
217 this.updateEditState();
220 updateEditState: function() {
222 inputEl = me.inputEl,
223 triggerWrap = me.triggerWrap,
224 noeditCls = Ext.baseCSSPrefix + 'trigger-noedit',
230 inputEl.addCls(noeditCls);
235 inputEl.removeCls(noeditCls);
238 inputEl.addCls(noeditCls);
241 displayed = !me.hideTrigger;
244 triggerWrap.setDisplayed(displayed);
245 inputEl.dom.readOnly = readOnly;
246 me.doComponentLayout();
250 <span id='Ext-form-field-Trigger-method-getTriggerWidth'> /**
251 </span> * Get the total width of the trigger button area. Only useful after the field has been rendered.
252 * @return {Number} The trigger width
254 getTriggerWidth: function() {
256 triggerWrap = me.triggerWrap,
257 totalTriggerWidth = 0;
258 if (triggerWrap && !me.hideTrigger && !me.readOnly) {
259 me.triggerEl.each(function(trigger) {
260 totalTriggerWidth += trigger.getWidth();
262 totalTriggerWidth += me.triggerWrap.getFrameWidth('lr');
264 return totalTriggerWidth;
267 setHideTrigger: function(hideTrigger) {
268 if (hideTrigger != this.hideTrigger) {
269 this.hideTrigger = hideTrigger;
270 this.updateEditState();
274 <span id='Ext-form-field-Trigger-method-setEditable'> /**
275 </span> * @param {Boolean} editable True to allow the user to directly edit the field text
276 * Allow or prevent the user from directly editing the field text. If false is passed,
277 * the user will only be able to modify the field using the trigger. Will also add
278 * a click event to the text field which will call the trigger. This method
279 * is the runtime equivalent of setting the 'editable' config option at config time.
281 setEditable: function(editable) {
282 if (editable != this.editable) {
283 this.editable = editable;
284 this.updateEditState();
288 <span id='Ext-form-field-Trigger-method-setReadOnly'> /**
289 </span> * @param {Boolean} readOnly True to prevent the user changing the field and explicitly
291 * Setting this to true will superceed settings editable and hideTrigger.
292 * Setting this to false will defer back to editable and hideTrigger. This method
293 * is the runtime equivalent of setting the 'readOnly' config option at config time.
295 setReadOnly: function(readOnly) {
296 if (readOnly != this.readOnly) {
297 this.readOnly = readOnly;
298 this.updateEditState();
303 initTrigger: function() {
305 triggerWrap = me.triggerWrap,
306 triggerEl = me.triggerEl;
308 if (me.repeatTriggerClick) {
309 me.triggerRepeater = Ext.create('Ext.util.ClickRepeater', triggerWrap, {
310 preventDefault: true,
311 handler: function(cr, e) {
312 me.onTriggerWrapClick(e);
316 me.mon(me.triggerWrap, 'click', me.onTriggerWrapClick, me);
319 triggerEl.addClsOnOver(me.triggerBaseCls + '-over');
320 triggerEl.each(function(el, c, i) {
321 el.addClsOnOver(me['trigger' + (i + 1) + 'Cls'] + '-over');
323 triggerEl.addClsOnClick(me.triggerBaseCls + '-click');
324 triggerEl.each(function(el, c, i) {
325 el.addClsOnClick(me['trigger' + (i + 1) + 'Cls'] + '-click');
330 onDestroy: function() {
332 Ext.destroyMembers(me, 'triggerRepeater', 'triggerWrap', 'triggerEl');
338 onFocus: function() {
342 me.bodyEl.addCls(me.wrapFocusCls);
344 me.mon(me.doc, 'mousedown', me.mimicBlur, me, {
348 me.on('specialkey', me.checkTab, me);
354 checkTab: function(me, e) {
355 if (!this.ignoreMonitorTab && e.getKey() == e.TAB) {
364 mimicBlur: function(e) {
365 if (!this.isDestroyed && !this.bodyEl.contains(e.target) && this.validateBlur(e)) {
371 triggerBlur: function() {
374 me.mun(me.doc, 'mousedown', me.mimicBlur, me);
375 if (me.monitorTab && me.inputEl) {
376 me.un('specialkey', me.checkTab, me);
378 Ext.form.field.Trigger.superclass.onBlur.call(me);
380 me.bodyEl.removeCls(me.wrapFocusCls);
384 beforeBlur: Ext.emptyFn,
387 // This should be overridden by any subclass that needs to check whether or not the field can be blurred.
388 validateBlur: function(e) {
393 // process clicks upon triggers.
394 // determine which trigger index, and dispatch to the appropriate click handler
395 onTriggerWrapClick: function(e) {
397 t = e && e.getTarget('.' + Ext.baseCSSPrefix + 'form-trigger', null),
398 match = t && t.className.match(me.triggerIndexRe),
402 if (match && !me.readOnly) {
403 idx = parseInt(match[1], 10);
404 triggerClickMethod = me['onTrigger' + (idx + 1) + 'Click'] || me.onTriggerClick;
405 if (triggerClickMethod) {
406 triggerClickMethod.call(me, e);
411 <span id='Ext-form-field-Trigger-method-onTriggerClick'> /**
412 </span> * The function that should handle the trigger's click event. This method does nothing by default
413 * until overridden by an implementing function. See Ext.form.field.ComboBox and Ext.form.field.Date for
414 * sample implementations.
416 * @param {Ext.EventObject} e
418 onTriggerClick: Ext.emptyFn
420 <span id='Ext-form-field-Trigger-cfg-grow'> /**
421 </span> * @cfg {Boolean} grow @hide
423 <span id='Ext-form-field-Trigger-cfg-growMin'> /**
424 </span> * @cfg {Number} growMin @hide
426 <span id='Ext-form-field-Trigger-cfg-growMax'> /**
427 </span> * @cfg {Number} growMax @hide