/** * A menu item that contains a togglable checkbox by default, but that can also be a part of a radio group. * * @example * Ext.create('Ext.menu.Menu', { * width: 100, * height: 110, * floating: false, // usually you want this set to True (default) * renderTo: Ext.getBody(), // usually rendered by it's containing component * items: [{ * xtype: 'menucheckitem', * text: 'select all' * },{ * xtype: 'menucheckitem', * text: 'select specific' * },{ * iconCls: 'add16', * text: 'icon item' * },{ * text: 'regular item' * }] * }); */Ext.define('Ext.menu.CheckItem', { extend: 'Ext.menu.Item', alias: 'widget.menucheckitem', /** * @cfg {Boolean} [checked=false] * True to render the menuitem initially checked. */ /** * @cfg {Function/String} checkHandler * Alternative for the {@link #checkchange} event. Gets called with the same parameters. * @controllable */ /** * @cfg {Object} scope * Scope for the {@link #checkHandler} callback. */ /** * @cfg {String} group * Name of a radio group that the item belongs. * * Specifying this option will turn check item into a radio item. * * Note that the group name must be globally unique. */ /** * @cfg {String} checkedCls * The CSS class used by {@link #cls} to show the checked state. * Defaults to `Ext.baseCSSPrefix + 'menu-item-checked'`. */ checkedCls: Ext.baseCSSPrefix + 'menu-item-checked', /** * @cfg {String} uncheckedCls * The CSS class used by {@link #cls} to show the unchecked state. * Defaults to `Ext.baseCSSPrefix + 'menu-item-unchecked'`. */ uncheckedCls: Ext.baseCSSPrefix + 'menu-item-unchecked', /** * @cfg {String} groupCls * The CSS class applied to this item's icon image to denote being a part of a radio group. * Defaults to `Ext.baseCSSClass + 'menu-group-icon'`. * Any specified {@link #iconCls} overrides this. */ groupCls: Ext.baseCSSPrefix + 'menu-group-icon', /** * @cfg {Boolean} [hideOnClick=false] * Whether to not to hide the owning menu when this item is clicked. * Defaults to `false` for checkbox items, and to `true` for radio group items. */ hideOnClick: false, /** * @cfg {Boolean} [checkChangeDisabled=false] * True to prevent the checked item from being toggled. Any submenu will still be accessible. */ checkChangeDisabled: false, //<locale> /** * @cfg {String} submenuText Text to be announced by screen readers when a check item * submenu is focused. */ submenuText: '{0} submenu', //</locale> ariaRole: 'menuitemcheckbox', childEls: [ 'checkEl' ], defaultBindProperty: 'checked', showCheckbox: true, isMenuCheckItem: true, checkboxCls: Ext.baseCSSPrefix + 'menu-item-checkbox', /** * @event beforecheckchange * Fires before a change event. Return false to cancel. * @param {Ext.menu.CheckItem} this * @param {Boolean} checked */ /** * @event checkchange * Fires after a change event. * @param {Ext.menu.CheckItem} this * @param {Boolean} checked */ initComponent: function() { var me = this; // coerce to bool straight away me.checked = !!me.checked; me.callParent(arguments); if (me.group) { Ext.menu.Manager.registerCheckable(me); if (me.initialConfig.hideOnClick !== false) { me.hideOnClick = true; } } }, beforeRender: function() { var me = this, ariaAttr; me.callParent(); Ext.apply(me.renderData, { checkboxCls: me.checkboxCls, showCheckbox: me.showCheckbox }); ariaAttr = (me.ariaRenderAttributes || (me.ariaRenderAttributes = {})); ariaAttr['aria-checked'] = me.menu ? 'mixed' : me.checked; // For some reason JAWS will not announce that a check item has a submenu // so users will get no indication whatsoever, unless we set the label. if (me.menu) { ariaAttr['aria-label'] = Ext.String.formatEncode(me.submenuText, me.text); } }, afterRender: function() { var me = this; me.callParent(); me.checked = !me.checked; me.setChecked(!me.checked, true); if (me.checkChangeDisabled) { me.disableCheckChange(); } // For reasons unknown, clicking a div inside anchor element might cause // the anchor to be blurred in Firefox. We can't allow this to happen // because blurring will cause focusleave which will hide the menu // before click event fires. See https://sencha.jira.com/browse/EXTJS-18882 if (Ext.isGecko && me.checkEl) { me.checkEl.on('mousedown', me.onMouseDownCheck); } }, /** * Disables just the checkbox functionality of this menu Item. If this menu item has a submenu, that submenu * will still be accessible */ disableCheckChange: function() { var me = this, checkEl = me.checkEl; if (checkEl) { checkEl.addCls(me.disabledCls); } // In some cases the checkbox will disappear until repainted, see: EXTJSIV-6412 if (Ext.isIE8 && me.rendered) { me.el.repaint(); } me.checkChangeDisabled = true; }, /** * Re-enables the checkbox functionality of this menu item after having been * disabled by {@link #disableCheckChange} */ enableCheckChange: function() { var me = this, checkEl = me.checkEl; if (checkEl) { checkEl.removeCls(me.disabledCls); } me.checkChangeDisabled = false; }, onMouseDownCheck: function(e) { e.preventDefault(); }, onClick: function(e) { var me = this; // If pointer type is touch, we should only toggle check status if there's no submenu or they tapped in the checkEl // This is because there's no hover to invoke the submenu on touch devices, so a tap is needed to show it. That tap // should not toggle unless it's on the checkbox. if (!(me.disabled || me.checkChangeDisabled || me.checked && me.group || me.menu && "touch" === e.pointerType && !me.checkEl.contains(e.target))) { me.setChecked(!me.checked); // Clicked using SPACE or ENTER just un-checks. // RightArrow to invoke any submenu if (e.type === 'keydown' && me.menu) { return false; } } this.callParent([e]); }, doDestroy: function() { Ext.menu.Manager.unregisterCheckable(this); this.callParent(); }, setText: function(text) { var me = this, ariaDom = me.ariaEl.dom; me.callParent([text]); if (ariaDom && me.menu) { ariaDom.setAttribute('aria-label', Ext.String.formatEncode(me.submenuText, text)); } }, /** * Sets the checked state of the item * @param {Boolean} checked True to check, false to un-check * @param {Boolean} [suppressEvents=false] True to prevent firing the checkchange events. */ setChecked: function(checked, suppressEvents) { var me = this, checkedCls = me.checkedCls, uncheckedCls = me.uncheckedCls, el = me.el, ariaDom = me.ariaEl.dom; if (me.checked !== checked && (suppressEvents || me.fireEvent('beforecheckchange', me, checked) !== false)) { if (el) { if (checked) { el.addCls(checkedCls); el.removeCls(uncheckedCls); } else { el.addCls(uncheckedCls); el.removeCls(checkedCls); } } if (ariaDom) { ariaDom.setAttribute('aria-checked', me.menu ? 'mixed' : !!checked); } me.checked = checked; Ext.menu.Manager.onCheckChange(me, checked); me.publishState('checked', checked); if (!suppressEvents) { Ext.callback(me.checkHandler, me.scope, [me, checked], 0, me); me.fireEvent('checkchange', me, checked); } } }});