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react-with-addons.js
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react-with-addons.js
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/**
* React (with addons) v0.5.1
*/
!function(e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define(e):"undefined"!=typeof window?window.React=e():"undefined"!=typeof global?global.React=e():"undefined"!=typeof self&&(self.React=e())}(function(){var define,module,exports;
return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule $
* @typechecks
*/
var ge = require("./ge");
var ex = require("./ex");
/**
* Find a node by ID.
*
* If your application code depends on the existence of the element, use $,
* which will throw if the element doesn't exist.
*
* If you're not sure whether or not the element exists, use ge instead, and
* manually check for the element's existence in your application code.
*
* @param {string|DOMDocument|DOMElement|DOMTextNode|Comment} id
* @return {DOMDocument|DOMElement|DOMTextNode|Comment}
*/
function $(id) {
var element = ge(id);
if (!element) {
throw new Error(ex(
'Tried to get element with id of "%s" but it is not present on the page.',
id
));
}
return element;
}
module.exports = $;
},{"./ex":94,"./ge":98}],2:[function(require,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CSSCore
* @typechecks
*/
var invariant = require("./invariant");
/**
* The CSSCore module specifies the API (and implements most of the methods)
* that should be used when dealing with the display of elements (via their
* CSS classes and visibility on screeni. It is an API focused on mutating the
* display and not reading it as no logical state should be encoded in the
* display of elements.
*/
/**
* Tests whether the element has the class specified.
*
* Note: This function is not exported in CSSCore because CSS classNames should
* not store any logical information about the element. Use DataStore to store
* information on an element.
*
* @param {DOMElement} element the element to set the class on
* @param {string} className the CSS className
* @returns {boolean} true if the element has the class, false if not
*/
function hasClass(element, className) {
if (element.classList) {
return !!className && element.classList.contains(className);
}
return (' ' + element.className + ' ').indexOf(' ' + className + ' ') > -1;
}
var CSSCore = {
/**
* Adds the class passed in to the element if it doesn't already have it.
*
* @param {DOMElement} element the element to set the class on
* @param {string} className the CSS className
* @return {DOMElement} the element passed in
*/
addClass: function(element, className) {
invariant(
!/\s/.test(className),
'CSSCore.addClass takes only a single class name. "%s" contains ' +
'multiple classes.', className
);
if (className) {
if (element.classList) {
element.classList.add(className);
} else if (!hasClass(element, className)) {
element.className = element.className + ' ' + className;
}
}
return element;
},
/**
* Removes the class passed in from the element
*
* @param {DOMElement} element the element to set the class on
* @param {string} className the CSS className
* @return {DOMElement} the element passed in
*/
removeClass: function(element, className) {
invariant(
!/\s/.test(className),
'CSSCore.removeClass takes only a single class name. "%s" contains ' +
'multiple classes.', className
);
if (className) {
if (element.classList) {
element.classList.remove(className);
} else if (hasClass(element, className)) {
element.className = element.className
.replace(new RegExp('(^|\\s)' + className + '(?:\\s|$)', 'g'), '$1')
.replace(/\s+/g, ' ') // multiple spaces to one
.replace(/^\s*|\s*$/g, ''); // trim the ends
}
}
return element;
},
/**
* Helper to add or remove a class from an element based on a condition.
*
* @param {DOMElement} element the element to set the class on
* @param {string} className the CSS className
* @param {*} bool condition to whether to add or remove the class
* @return {DOMElement} the element passed in
*/
conditionClass: function(element, className, bool) {
return (bool ? CSSCore.addClass : CSSCore.removeClass)(element, className);
}
};
module.exports = CSSCore;
},{"./invariant":106}],3:[function(require,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CSSProperty
*/
"use strict";
/**
* CSS properties which accept numbers but are not in units of "px".
*/
var isUnitlessNumber = {
fillOpacity: true,
fontWeight: true,
lineHeight: true,
opacity: true,
orphans: true,
zIndex: true,
zoom: true
};
/**
* Most style properties can be unset by doing .style[prop] = '' but IE8
* doesn't like doing that with shorthand properties so for the properties that
* IE8 breaks on, which are listed here, we instead unset each of the
* individual properties. See http://bugs.jquery.com/ticket/12385.
* The 4-value 'clock' properties like margin, padding, border-width seem to
* behave without any problems. Curiously, list-style works too without any
* special prodding.
*/
var shorthandPropertyExpansions = {
background: {
backgroundImage: true,
backgroundPosition: true,
backgroundRepeat: true,
backgroundColor: true
},
border: {
borderWidth: true,
borderStyle: true,
borderColor: true
},
borderBottom: {
borderBottomWidth: true,
borderBottomStyle: true,
borderBottomColor: true
},
borderLeft: {
borderLeftWidth: true,
borderLeftStyle: true,
borderLeftColor: true
},
borderRight: {
borderRightWidth: true,
borderRightStyle: true,
borderRightColor: true
},
borderTop: {
borderTopWidth: true,
borderTopStyle: true,
borderTopColor: true
},
font: {
fontStyle: true,
fontVariant: true,
fontWeight: true,
fontSize: true,
lineHeight: true,
fontFamily: true
}
};
var CSSProperty = {
isUnitlessNumber: isUnitlessNumber,
shorthandPropertyExpansions: shorthandPropertyExpansions
};
module.exports = CSSProperty;
},{}],4:[function(require,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CSSPropertyOperations
* @typechecks static-only
*/
"use strict";
var CSSProperty = require("./CSSProperty");
var dangerousStyleValue = require("./dangerousStyleValue");
var escapeTextForBrowser = require("./escapeTextForBrowser");
var hyphenate = require("./hyphenate");
var memoizeStringOnly = require("./memoizeStringOnly");
var processStyleName = memoizeStringOnly(function(styleName) {
return escapeTextForBrowser(hyphenate(styleName));
});
/**
* Operations for dealing with CSS properties.
*/
var CSSPropertyOperations = {
/**
* Serializes a mapping of style properties for use as inline styles:
*
* > createMarkupForStyles({width: '200px', height: 0})
* "width:200px;height:0;"
*
* Undefined values are ignored so that declarative programming is easier.
*
* @param {object} styles
* @return {?string}
*/
createMarkupForStyles: function(styles) {
var serialized = '';
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
var styleValue = styles[styleName];
if (styleValue != null) {
serialized += processStyleName(styleName) + ':';
serialized += dangerousStyleValue(styleName, styleValue) + ';';
}
}
return serialized || null;
},
/**
* Sets the value for multiple styles on a node. If a value is specified as
* '' (empty string), the corresponding style property will be unset.
*
* @param {DOMElement} node
* @param {object} styles
*/
setValueForStyles: function(node, styles) {
var style = node.style;
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
var styleValue = dangerousStyleValue(styleName, styles[styleName]);
if (styleValue) {
style[styleName] = styleValue;
} else {
var expansion = CSSProperty.shorthandPropertyExpansions[styleName];
if (expansion) {
// Shorthand property that IE8 won't like unsetting, so unset each
// component to placate it
for (var individualStyleName in expansion) {
style[individualStyleName] = '';
}
} else {
style[styleName] = '';
}
}
}
}
};
module.exports = CSSPropertyOperations;
},{"./CSSProperty":3,"./dangerousStyleValue":91,"./escapeTextForBrowser":93,"./hyphenate":105,"./memoizeStringOnly":114}],5:[function(require,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CallbackRegistry
* @typechecks static-only
*/
"use strict";
var listenerBank = {};
/**
* Stores "listeners" by `registrationName`/`id`. There should be at most one
* "listener" per `registrationName`/`id` in the `listenerBank`.
*
* Access listeners via `listenerBank[registrationName][id]`.
*
* @class CallbackRegistry
* @internal
*/
var CallbackRegistry = {
/**
* Stores `listener` at `listenerBank[registrationName][id]`. Is idempotent.
*
* @param {string} id ID of the DOM element.
* @param {string} registrationName Name of listener (e.g. `onClick`).
* @param {?function} listener The callback to store.
*/
putListener: function(id, registrationName, listener) {
var bankForRegistrationName =
listenerBank[registrationName] || (listenerBank[registrationName] = {});
bankForRegistrationName[id] = listener;
},
/**
* @param {string} id ID of the DOM element.
* @param {string} registrationName Name of listener (e.g. `onClick`).
* @return {?function} The stored callback.
*/
getListener: function(id, registrationName) {
var bankForRegistrationName = listenerBank[registrationName];
return bankForRegistrationName && bankForRegistrationName[id];
},
/**
* Deletes a listener from the registration bank.
*
* @param {string} id ID of the DOM element.
* @param {string} registrationName Name of listener (e.g. `onClick`).
*/
deleteListener: function(id, registrationName) {
var bankForRegistrationName = listenerBank[registrationName];
if (bankForRegistrationName) {
delete bankForRegistrationName[id];
}
},
/**
* Deletes all listeners for the DOM element with the supplied ID.
*
* @param {string} id ID of the DOM element.
*/
deleteAllListeners: function(id) {
for (var registrationName in listenerBank) {
delete listenerBank[registrationName][id];
}
},
/**
* This is needed for tests only. Do not use!
*/
__purge: function() {
listenerBank = {};
}
};
module.exports = CallbackRegistry;
},{}],6:[function(require,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule ChangeEventPlugin
*/
"use strict";
var EventConstants = require("./EventConstants");
var EventPluginHub = require("./EventPluginHub");
var EventPropagators = require("./EventPropagators");
var ExecutionEnvironment = require("./ExecutionEnvironment");
var SyntheticEvent = require("./SyntheticEvent");
var isEventSupported = require("./isEventSupported");
var isTextInputElement = require("./isTextInputElement");
var keyOf = require("./keyOf");
var topLevelTypes = EventConstants.topLevelTypes;
var eventTypes = {
change: {
phasedRegistrationNames: {
bubbled: keyOf({onChange: null}),
captured: keyOf({onChangeCapture: null})
}
}
};
/**
* For IE shims
*/
var activeElement = null;
var activeElementID = null;
var activeElementValue = null;
var activeElementValueProp = null;
/**
* SECTION: handle `change` event
*/
function shouldUseChangeEvent(elem) {
return (
elem.nodeName === 'SELECT' ||
(elem.nodeName === 'INPUT' && elem.type === 'file')
);
}
var doesChangeEventBubble = false;
if (ExecutionEnvironment.canUseDOM) {
// See `handleChange` comment below
doesChangeEventBubble = isEventSupported('change') && (
!('documentMode' in document) || document.documentMode > 8
);
}
function manualDispatchChangeEvent(nativeEvent) {
var event = SyntheticEvent.getPooled(
eventTypes.change,
activeElementID,
nativeEvent
);
EventPropagators.accumulateTwoPhaseDispatches(event);
// If change bubbled, we'd just bind to it like all the other events
// and have it go through ReactEventTopLevelCallback. Since it doesn't, we
// manually listen for the change event and so we have to enqueue and
// process the abstract event manually.
EventPluginHub.enqueueEvents(event);
EventPluginHub.processEventQueue();
}
function startWatchingForChangeEventIE8(target, targetID) {
activeElement = target;
activeElementID = targetID;
activeElement.attachEvent('onchange', manualDispatchChangeEvent);
}
function stopWatchingForChangeEventIE8() {
if (!activeElement) {
return;
}
activeElement.detachEvent('onchange', manualDispatchChangeEvent);
activeElement = null;
activeElementID = null;
}
function getTargetIDForChangeEvent(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topChange) {
return topLevelTargetID;
}
}
function handleEventsForChangeEventIE8(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topFocus) {
// stopWatching() should be a noop here but we call it just in case we
// missed a blur event somehow.
stopWatchingForChangeEventIE8();
startWatchingForChangeEventIE8(topLevelTarget, topLevelTargetID);
} else if (topLevelType === topLevelTypes.topBlur) {
stopWatchingForChangeEventIE8();
}
}
/**
* SECTION: handle `input` event
*/
var isInputEventSupported = false;
if (ExecutionEnvironment.canUseDOM) {
// IE9 claims to support the input event but fails to trigger it when
// deleting text, so we ignore its input events
isInputEventSupported = isEventSupported('input') && (
!('documentMode' in document) || document.documentMode > 9
);
}
/**
* (For old IE.) Replacement getter/setter for the `value` property that gets
* set on the active element.
*/
var newValueProp = {
get: function() {
return activeElementValueProp.get.call(this);
},
set: function(val) {
// Cast to a string so we can do equality checks.
activeElementValue = '' + val;
activeElementValueProp.set.call(this, val);
}
};
/**
* (For old IE.) Starts tracking propertychange events on the passed-in element
* and override the value property so that we can distinguish user events from
* value changes in JS.
*/
function startWatchingForValueChange(target, targetID) {
activeElement = target;
activeElementID = targetID;
activeElementValue = target.value;
activeElementValueProp = Object.getOwnPropertyDescriptor(
target.constructor.prototype,
'value'
);
Object.defineProperty(activeElement, 'value', newValueProp);
activeElement.attachEvent('onpropertychange', handlePropertyChange);
}
/**
* (For old IE.) Removes the event listeners from the currently-tracked element,
* if any exists.
*/
function stopWatchingForValueChange() {
if (!activeElement) {
return;
}
// delete restores the original property definition
delete activeElement.value;
activeElement.detachEvent('onpropertychange', handlePropertyChange);
activeElement = null;
activeElementID = null;
activeElementValue = null;
activeElementValueProp = null;
}
/**
* (For old IE.) Handles a propertychange event, sending a `change` event if
* the value of the active element has changed.
*/
function handlePropertyChange(nativeEvent) {
if (nativeEvent.propertyName !== 'value') {
return;
}
var value = nativeEvent.srcElement.value;
if (value === activeElementValue) {
return;
}
activeElementValue = value;
manualDispatchChangeEvent(nativeEvent);
}
/**
* If a `change` event should be fired, returns the target's ID.
*/
function getTargetIDForInputEvent(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topInput) {
// In modern browsers (i.e., not IE8 or IE9), the input event is exactly
// what we want so fall through here and trigger an abstract event
return topLevelTargetID;
}
}
// For IE8 and IE9.
function handleEventsForInputEventIE(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topFocus) {
// In IE8, we can capture almost all .value changes by adding a
// propertychange handler and looking for events with propertyName
// equal to 'value'
// In IE9, propertychange fires for most input events but is buggy and
// doesn't fire when text is deleted, but conveniently, selectionchange
// appears to fire in all of the remaining cases so we catch those and
// forward the event if the value has changed
// In either case, we don't want to call the event handler if the value
// is changed from JS so we redefine a setter for `.value` that updates
// our activeElementValue variable, allowing us to ignore those changes
//
// stopWatching() should be a noop here but we call it just in case we
// missed a blur event somehow.
stopWatchingForValueChange();
startWatchingForValueChange(topLevelTarget, topLevelTargetID);
} else if (topLevelType === topLevelTypes.topBlur) {
stopWatchingForValueChange();
}
}
// For IE8 and IE9.
function getTargetIDForInputEventIE(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topSelectionChange ||
topLevelType === topLevelTypes.topKeyUp ||
topLevelType === topLevelTypes.topKeyDown) {
// On the selectionchange event, the target is just document which isn't
// helpful for us so just check activeElement instead.
//
// 99% of the time, keydown and keyup aren't necessary. IE8 fails to fire
// propertychange on the first input event after setting `value` from a
// script and fires only keydown, keypress, keyup. Catching keyup usually
// gets it and catching keydown lets us fire an event for the first
// keystroke if user does a key repeat (it'll be a little delayed: right
// before the second keystroke). Other input methods (e.g., paste) seem to
// fire selectionchange normally.
if (activeElement && activeElement.value !== activeElementValue) {
activeElementValue = activeElement.value;
return activeElementID;
}
}
}
/**
* SECTION: handle `click` event
*/
function shouldUseClickEvent(elem) {
// Use the `click` event to detect changes to checkbox and radio inputs.
// This approach works across all browsers, whereas `change` does not fire
// until `blur` in IE8.
return (
elem.nodeName === 'INPUT' &&
(elem.type === 'checkbox' || elem.type === 'radio')
);
}
function getTargetIDForClickEvent(
topLevelType,
topLevelTarget,
topLevelTargetID) {
if (topLevelType === topLevelTypes.topClick) {
return topLevelTargetID;
}
}
/**
* This plugin creates an `onChange` event that normalizes change events
* across form elements. This event fires at a time when it's possible to
* change the element's value without seeing a flicker.
*
* Supported elements are:
* - input (see `isTextInputElement`)
* - textarea
* - select
*/
var ChangeEventPlugin = {
eventTypes: eventTypes,
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
var getTargetIDFunc, handleEventFunc;
if (shouldUseChangeEvent(topLevelTarget)) {
if (doesChangeEventBubble) {
getTargetIDFunc = getTargetIDForChangeEvent;
} else {
handleEventFunc = handleEventsForChangeEventIE8;
}
} else if (isTextInputElement(topLevelTarget)) {
if (isInputEventSupported) {
getTargetIDFunc = getTargetIDForInputEvent;
} else {
getTargetIDFunc = getTargetIDForInputEventIE;
handleEventFunc = handleEventsForInputEventIE;
}
} else if (shouldUseClickEvent(topLevelTarget)) {
getTargetIDFunc = getTargetIDForClickEvent;
}
if (getTargetIDFunc) {
var targetID = getTargetIDFunc(
topLevelType,
topLevelTarget,
topLevelTargetID
);
if (targetID) {
var event = SyntheticEvent.getPooled(
eventTypes.change,
targetID,
nativeEvent
);
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}
}
if (handleEventFunc) {
handleEventFunc(
topLevelType,
topLevelTarget,
topLevelTargetID
);
}
}
};
module.exports = ChangeEventPlugin;
},{"./EventConstants":15,"./EventPluginHub":17,"./EventPropagators":20,"./ExecutionEnvironment":21,"./SyntheticEvent":75,"./isEventSupported":107,"./isTextInputElement":109,"./keyOf":113}],7:[function(require,module,exports){
/**
* Copyright 2013 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @providesModule CompositionEventPlugin
* @typechecks static-only
*/
"use strict";
var EventConstants = require("./EventConstants");
var EventPropagators = require("./EventPropagators");
var ExecutionEnvironment = require("./ExecutionEnvironment");
var ReactInputSelection = require("./ReactInputSelection");
var SyntheticCompositionEvent = require("./SyntheticCompositionEvent");
var getTextContentAccessor = require("./getTextContentAccessor");
var keyOf = require("./keyOf");
var END_KEYCODES = [9, 13, 27, 32]; // Tab, Return, Esc, Space
var START_KEYCODE = 229;
var useCompositionEvent = ExecutionEnvironment.canUseDOM &&
'CompositionEvent' in window;
var topLevelTypes = EventConstants.topLevelTypes;
var currentComposition = null;
// Events and their corresponding property names.
var eventTypes = {
compositionEnd: {
phasedRegistrationNames: {
bubbled: keyOf({onCompositionEnd: null}),
captured: keyOf({onCompositionEndCapture: null})
}
},
compositionStart: {
phasedRegistrationNames: {
bubbled: keyOf({onCompositionStart: null}),
captured: keyOf({onCompositionStartCapture: null})
}
},
compositionUpdate: {
phasedRegistrationNames: {
bubbled: keyOf({onCompositionUpdate: null}),
captured: keyOf({onCompositionUpdateCapture: null})
}
}
};
/**
* Translate native top level events into event types.
*
* @param {string} topLevelType
* @return {object}
*/
function getCompositionEventType(topLevelType) {
switch (topLevelType) {
case topLevelTypes.topCompositionStart:
return eventTypes.compositionStart;
case topLevelTypes.topCompositionEnd:
return eventTypes.compositionEnd;
case topLevelTypes.topCompositionUpdate:
return eventTypes.compositionUpdate;
}
}
/**
* Does our fallback best-guess model think this event signifies that
* composition has begun?
*
* @param {string} topLevelType
* @param {object} nativeEvent
* @return {boolean}
*/
function isFallbackStart(topLevelType, nativeEvent) {
return (
topLevelType === topLevelTypes.topKeyDown &&
nativeEvent.keyCode === START_KEYCODE
);
}
/**
* Does our fallback mode think that this event is the end of composition?
*
* @param {string} topLevelType
* @param {object} nativeEvent
* @return {boolean}
*/
function isFallbackEnd(topLevelType, nativeEvent) {
switch (topLevelType) {
case topLevelTypes.topKeyUp:
// Command keys insert or clear IME input.
return (END_KEYCODES.indexOf(nativeEvent.keyCode) !== -1);
case topLevelTypes.topKeyDown:
// Expect IME keyCode on each keydown. If we get any other
// code we must have exited earlier.
return (nativeEvent.keyCode !== START_KEYCODE);
case topLevelTypes.topKeyPress:
case topLevelTypes.topMouseDown:
case topLevelTypes.topBlur:
// Events are not possible without cancelling IME.
return true;
default:
return false;
}
}
/**
* Helper class stores information about selection and document state
* so we can figure out what changed at a later date.
*
* @param {DOMEventTarget} root
*/
function FallbackCompositionState(root) {
this.root = root;
this.startSelection = ReactInputSelection.getSelection(root);
this.startValue = this.getText();
}
/**
* Get current text of input.
*
* @return {string}
*/
FallbackCompositionState.prototype.getText = function() {
return this.root.value || this.root[getTextContentAccessor()];
};
/**
* Text that has changed since the start of composition.
*
* @return {string}
*/
FallbackCompositionState.prototype.getData = function() {
var endValue = this.getText();
var prefixLength = this.startSelection.start;
var suffixLength = this.startValue.length - this.startSelection.end;
return endValue.substr(
prefixLength,
endValue.length - suffixLength - prefixLength
);
};
/**
* This plugin creates `onCompositionStart`, `onCompositionUpdate` and
* `onCompositionEnd` events on inputs, textareas and contentEditable
* nodes.
*/
var CompositionEventPlugin = {
eventTypes: eventTypes,
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {DOMEventTarget} topLevelTarget The listening component root node.
* @param {string} topLevelTargetID ID of `topLevelTarget`.
* @param {object} nativeEvent Native browser event.
* @return {*} An accumulation of synthetic events.
* @see {EventPluginHub.extractEvents}
*/
extractEvents: function(
topLevelType,
topLevelTarget,
topLevelTargetID,
nativeEvent) {
var eventType;
var data;