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Diffstat (limited to 'node_modules/react-dom/lib/ReactInputSelection.js')
-rw-r--r-- | node_modules/react-dom/lib/ReactInputSelection.js | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/node_modules/react-dom/lib/ReactInputSelection.js b/node_modules/react-dom/lib/ReactInputSelection.js deleted file mode 100644 index fec1c74fc..000000000 --- a/node_modules/react-dom/lib/ReactInputSelection.js +++ /dev/null @@ -1,122 +0,0 @@ -/** - * Copyright 2013-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -'use strict'; - -var ReactDOMSelection = require('./ReactDOMSelection'); - -var containsNode = require('fbjs/lib/containsNode'); -var focusNode = require('fbjs/lib/focusNode'); -var getActiveElement = require('fbjs/lib/getActiveElement'); - -function isInDocument(node) { - return containsNode(document.documentElement, node); -} - -/** - * @ReactInputSelection: React input selection module. Based on Selection.js, - * but modified to be suitable for react and has a couple of bug fixes (doesn't - * assume buttons have range selections allowed). - * Input selection module for React. - */ -var ReactInputSelection = { - hasSelectionCapabilities: function (elem) { - var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase(); - return nodeName && (nodeName === 'input' && elem.type === 'text' || nodeName === 'textarea' || elem.contentEditable === 'true'); - }, - - getSelectionInformation: function () { - var focusedElem = getActiveElement(); - return { - focusedElem: focusedElem, - selectionRange: ReactInputSelection.hasSelectionCapabilities(focusedElem) ? ReactInputSelection.getSelection(focusedElem) : null - }; - }, - - /** - * @restoreSelection: If any selection information was potentially lost, - * restore it. This is useful when performing operations that could remove dom - * nodes and place them back in, resulting in focus being lost. - */ - restoreSelection: function (priorSelectionInformation) { - var curFocusedElem = getActiveElement(); - var priorFocusedElem = priorSelectionInformation.focusedElem; - var priorSelectionRange = priorSelectionInformation.selectionRange; - if (curFocusedElem !== priorFocusedElem && isInDocument(priorFocusedElem)) { - if (ReactInputSelection.hasSelectionCapabilities(priorFocusedElem)) { - ReactInputSelection.setSelection(priorFocusedElem, priorSelectionRange); - } - focusNode(priorFocusedElem); - } - }, - - /** - * @getSelection: Gets the selection bounds of a focused textarea, input or - * contentEditable node. - * -@input: Look up selection bounds of this input - * -@return {start: selectionStart, end: selectionEnd} - */ - getSelection: function (input) { - var selection; - - if ('selectionStart' in input) { - // Modern browser with input or textarea. - selection = { - start: input.selectionStart, - end: input.selectionEnd - }; - } else if (document.selection && input.nodeName && input.nodeName.toLowerCase() === 'input') { - // IE8 input. - var range = document.selection.createRange(); - // There can only be one selection per document in IE, so it must - // be in our element. - if (range.parentElement() === input) { - selection = { - start: -range.moveStart('character', -input.value.length), - end: -range.moveEnd('character', -input.value.length) - }; - } - } else { - // Content editable or old IE textarea. - selection = ReactDOMSelection.getOffsets(input); - } - - return selection || { start: 0, end: 0 }; - }, - - /** - * @setSelection: Sets the selection bounds of a textarea or input and focuses - * the input. - * -@input Set selection bounds of this input or textarea - * -@offsets Object of same form that is returned from get* - */ - setSelection: function (input, offsets) { - var start = offsets.start; - var end = offsets.end; - if (end === undefined) { - end = start; - } - - if ('selectionStart' in input) { - input.selectionStart = start; - input.selectionEnd = Math.min(end, input.value.length); - } else if (document.selection && input.nodeName && input.nodeName.toLowerCase() === 'input') { - var range = input.createTextRange(); - range.collapse(true); - range.moveStart('character', start); - range.moveEnd('character', end - start); - range.select(); - } else { - ReactDOMSelection.setOffsets(input, offsets); - } - } -}; - -module.exports = ReactInputSelection;
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