/** * @class Ext.event.Event */ Ext.define('Ext.overrides.event.Event', { override: 'Ext.event.Event', /** * @method injectEvent * @member Ext.event.Event * Injects a DOM event using the data in this object and (optionally) a new target. * This is a low-level technique and not likely to be used by application code. The * currently supported event types are: * <p><b>HTMLEvents</b></p> * <ul> * <li>load</li> * <li>unload</li> * <li>select</li> * <li>change</li> * <li>submit</li> * <li>reset</li> * <li>resize</li> * <li>scroll</li> * </ul> * <p><b>MouseEvents</b></p> * <ul> * <li>click</li> * <li>dblclick</li> * <li>mousedown</li> * <li>mouseup</li> * <li>mouseover</li> * <li>mousemove</li> * <li>mouseout</li> * </ul> * <p><b>UIEvents</b></p> * <ul> * <li>focusin</li> * <li>focusout</li> * <li>activate</li> * <li>focus</li> * <li>blur</li> * </ul> * @param {Ext.Element/HTMLElement} target (optional) If specified, the target for the event. This * is likely to be used when relaying a DOM event. If not specified, {@link #getTarget} * is used to determine the target. */ injectEvent: (function () { var API, dispatchers = {}, // keyed by event type (e.g., 'mousedown') crazyIEButtons; // Good reference: http://developer.yahoo.com/yui/docs/UserAction.js.html // IE9 has createEvent, but this code causes major problems with htmleditor (it // blocks all mouse events and maybe more). TODO if (!Ext.isIE9m && document.createEvent) { // if (DOM compliant) API = { createHtmlEvent: function (doc, type, bubbles, cancelable) { var event = doc.createEvent('HTMLEvents'); event.initEvent(type, bubbles, cancelable); return event; }, createMouseEvent: function (doc, type, bubbles, cancelable, detail, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey, button, relatedTarget) { var event = doc.createEvent('MouseEvents'), view = doc.defaultView || window; if (event.initMouseEvent) { event.initMouseEvent(type, bubbles, cancelable, view, detail, clientX, clientY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey, button, relatedTarget); } else { // old Safari event = doc.createEvent('UIEvents'); event.initEvent(type, bubbles, cancelable); event.view = view; event.detail = detail; event.screenX = clientX; event.screenY = clientY; event.clientX = clientX; event.clientY = clientY; event.ctrlKey = ctrlKey; event.altKey = altKey; event.metaKey = metaKey; event.shiftKey = shiftKey; event.button = button; event.relatedTarget = relatedTarget; } return event; }, createUIEvent: function (doc, type, bubbles, cancelable, detail) { var event = doc.createEvent('UIEvents'), view = doc.defaultView || window; event.initUIEvent(type, bubbles, cancelable, view, detail); return event; }, fireEvent: function (target, type, event) { target.dispatchEvent(event); } }; } else if (document.createEventObject) { // else if (IE) crazyIEButtons = { 0: 1, 1: 4, 2: 2 }; API = { createHtmlEvent: function (doc, type, bubbles, cancelable) { var event = doc.createEventObject(); event.bubbles = bubbles; event.cancelable = cancelable; return event; }, createMouseEvent: function (doc, type, bubbles, cancelable, detail, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey, button, relatedTarget) { var event = doc.createEventObject(); event.bubbles = bubbles; event.cancelable = cancelable; event.detail = detail; event.screenX = clientX; event.screenY = clientY; event.clientX = clientX; event.clientY = clientY; event.ctrlKey = ctrlKey; event.altKey = altKey; event.shiftKey = shiftKey; event.metaKey = metaKey; event.button = crazyIEButtons[button] || button; event.relatedTarget = relatedTarget; // cannot assign to/fromElement return event; }, createUIEvent: function (doc, type, bubbles, cancelable, detail) { var event = doc.createEventObject(); event.bubbles = bubbles; event.cancelable = cancelable; return event; }, fireEvent: function (target, type, event) { target.fireEvent('on' + type, event); } }; } //---------------- // HTMLEvents Ext.Object.each({ load: [false, false], unload: [false, false], select: [true, false], change: [true, false], submit: [true, true], reset: [true, false], resize: [true, false], scroll: [true, false] }, function (name, value) { var bubbles = value[0], cancelable = value[1]; dispatchers[name] = function (targetEl, srcEvent) { var e = API.createHtmlEvent(name, bubbles, cancelable); API.fireEvent(targetEl, name, e); }; }); //---------------- // MouseEvents function createMouseEventDispatcher (type, detail) { var cancelable = (type !== 'mousemove'); return function (targetEl, srcEvent) { var xy = srcEvent.getXY(), e = API.createMouseEvent(targetEl.ownerDocument, type, true, cancelable, detail, xy[0], xy[1], srcEvent.ctrlKey, srcEvent.altKey, srcEvent.shiftKey, srcEvent.metaKey, srcEvent.button, srcEvent.relatedTarget); API.fireEvent(targetEl, type, e); }; } Ext.each(['click', 'dblclick', 'mousedown', 'mouseup', 'mouseover', 'mousemove', 'mouseout'], function (eventName) { dispatchers[eventName] = createMouseEventDispatcher(eventName, 1); }); //---------------- // UIEvents Ext.Object.each({ focusin: [true, false], focusout: [true, false], activate: [true, true], focus: [false, false], blur: [false, false] }, function (name, value) { var bubbles = value[0], cancelable = value[1]; dispatchers[name] = function (targetEl, srcEvent) { var e = API.createUIEvent(targetEl.ownerDocument, name, bubbles, cancelable, 1); API.fireEvent(targetEl, name, e); }; }); //--------- if (!API) { // not even sure what ancient browsers fall into this category... dispatchers = {}; // never mind all those we just built :P API = {}; } function cannotInject (target, srcEvent) { //<debug> // TODO log something //</debug> } return function (target) { var me = this, dispatcher = dispatchers[me.type] || cannotInject, t = target ? (target.dom || target) : me.getTarget(); dispatcher(t, me); }; }()), // call to produce method preventDefault: function(browserOnly) { var me = this, event = me.browserEvent, parentEvent = me.parentEvent, unselectable, target, fn; // This check is for IE8/9. The event object may have been // invalidated, so we can't delve into the details of it. If so, // just fall out gracefully and don't attempt to do anything. if (typeof event.type !== 'unknown') { // In some cases we want to prevent default on the browser event // but keep propagating it through our event system. For example, // in Checkbox selection where the cells with checkboxes should // prevent focusing on mousedown but still fire the click event. if (!browserOnly) { me.defaultPrevented = true; } // if the event was created by prototype-chaining a new object to an existing event // instance, we need to make sure the parent event is defaultPrevented as well. if (parentEvent) { parentEvent.defaultPrevented = true; } if (event.preventDefault) { event.preventDefault(); } else { // The purpose of the code below is for preventDefault to stop focus from // occurring like it does in other modern browsers. This only happens in // IE8/9 when using attachEvent. The use of unselectable seems the most reliable // way to prevent this from happening. We need to use a timeout to restore the // unselectable state because if we don't setting it has no effect. It's important // to set the atrribute to 'on' as opposed to just setting the property on the DOM element. // See the link below for a discussion on the issue: // http://bugs.jquery.com/ticket/10345 if (event.type === 'mousedown') { target = event.target; unselectable = target.getAttribute('unselectable'); if (unselectable !== 'on') { target.setAttribute('unselectable', 'on'); fn = function() { target.setAttribute('unselectable', unselectable); }; // This function is hard to track, with a potential to be called // for any HtmlElement in the document. It may be a Fly, it may // not belong to any Component, and it may even be created by // 3rd party code that we have no control over and cannot intercept // the element being destroyed. // On the other hand, the function is pretty simple, cannot lead // to memory leaks and is only fired once. So, no harm no foul. //<debug> fn.$skipTimerCheck = true; //</debug> Ext.defer(fn, 1); } } // IE9 and earlier do not support preventDefault event.returnValue = false; // Some keys events require setting the keyCode to -1 to be prevented // all ctrl + X and F1 -> F12 if (event.ctrlKey || event.keyCode > 111 && event.keyCode < 124) { event.keyCode = -1; } } } return me; }, deprecated: { '5.0': { methods: { /** * @method clone * @member Ext.event.Event * Clones this event. * @return {Ext.event.Event} The cloned copy * @deprecated 5.0.0 This method is deprecated. */ clone: function() { return new this.self(this.browserEvent, this); } } } }}, function() { var Event = this, btnMap; //<feature legacyBrowser> if (Ext.isIE9m) { btnMap = { 0: 0, 1: 0, 4: 1, 2: 2 }; Event.override({ statics: { /** * @member Ext.event.Event * When events are attached using IE's attachEvent API instead of * addEventListener accessing any members of an event object asynchronously * results in "Member not found" error. To work around this we fabricate * our own event object by copying all of its members to a new object. * @param {Event} browserEvent The native browser event object * @private * @static */ enableIEAsync: function(browserEvent) { var name, fakeEvent = {}; for (name in browserEvent) { fakeEvent[name] = browserEvent[name]; } return fakeEvent; } }, constructor: function(event, info, touchesMap, identifiers) { var me = this; me.callParent([event, info, touchesMap, identifiers]); me.button = btnMap[event.button]; if (event.type === 'contextmenu') { me.button = 2; // IE8/9 reports click as 0, so we can at least attempt to infer here } // IE8 can throw an error when trying to access properties on a browserEvent // object when the event has been buffered or delayed. Cache them here // so we can access them later. me.toElement = event.toElement; me.fromElement = event.fromElement; }, mouseLeaveRe: /(mouseout|mouseleave)/, mouseEnterRe: /(mouseover|mouseenter)/, /** * @method enableIEAsync * @member Ext.event.Event * @inheritdoc Ext.event.Event#static-method-enableIEAsync * @private */ enableIEAsync: function(browserEvent) { this.browserEvent = this.self.enableIEAsync(browserEvent); }, getRelatedTarget: function(selector, maxDepth, returnEl) { var me = this, type, target; if (!me.relatedTarget) { type = me.type; if (me.mouseLeaveRe.test(type)) { target = me.toElement; } else if (me.mouseEnterRe.test(type)) { target = me.fromElement; } if (target) { me.relatedTarget = me.self.resolveTextNode(target); } } return me.callParent([selector, maxDepth, returnEl]); } }); // We place these listeners to capture Tab and Shift-Tab key strokes // and pass this information in the focus/blur event if it happens // between keydown/keyup pair. document.attachEvent('onkeydown', Ext.event.Event.globalTabKeyDown); document.attachEvent('onkeyup', Ext.event.Event.globalTabKeyUp); window.attachEvent('onunload', function() { document.detachEvent('onkeydown', Ext.event.Event.globalTabKeyDown); document.detachEvent('onkeyup', Ext.event.Event.globalTabKeyUp); }); }//</feature>});