43 lines
1.9 KiB
JavaScript
43 lines
1.9 KiB
JavaScript
'use strict';
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require('../../utils/click/isClickableInput.js');
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require('../../utils/dataTransfer/Clipboard.js');
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var isContentEditable = require('../../utils/edit/isContentEditable.js');
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require('../../utils/edit/isEditable.js');
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require('../../utils/edit/maxLength.js');
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var selection = require('../../utils/focus/selection.js');
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require('../../utils/keyDef/readNextDescriptor.js');
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require('../../utils/misc/level.js');
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require('../../options.js');
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/**
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* Reset the Document Selection when moving focus into an element
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* with own selection implementation.
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*/ function updateSelectionOnFocus(element) {
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const selection$1 = element.ownerDocument.getSelection();
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/* istanbul ignore if */ if (!(selection$1 === null || selection$1 === void 0 ? void 0 : selection$1.focusNode)) {
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return;
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}
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// If the focus moves inside an element with own selection implementation,
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// the document selection will be this element.
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// But if the focused element is inside a contenteditable,
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// 1) a collapsed selection will be retained.
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// 2) other selections will be replaced by a cursor
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// 2.a) at the start of the first child if it is a text node
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// 2.b) at the start of the contenteditable.
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if (selection.hasOwnSelection(element)) {
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const contenteditable = isContentEditable.getContentEditable(selection$1.focusNode);
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if (contenteditable) {
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if (!selection$1.isCollapsed) {
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var _contenteditable_firstChild;
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const focusNode = ((_contenteditable_firstChild = contenteditable.firstChild) === null || _contenteditable_firstChild === void 0 ? void 0 : _contenteditable_firstChild.nodeType) === 3 ? contenteditable.firstChild : contenteditable;
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selection$1.setBaseAndExtent(focusNode, 0, focusNode, 0);
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}
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} else {
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selection$1.setBaseAndExtent(element, 0, element, 0);
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}
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}
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}
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exports.updateSelectionOnFocus = updateSelectionOnFocus;
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