diff -r 000000000000 -r bca7a7e058a3 src/pyams_skin/resources/js/ext/tinymce/dev/classes/EnterKey.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/pyams_skin/resources/js/ext/tinymce/dev/classes/EnterKey.js Thu Feb 13 11:43:31 2020 +0100 @@ -0,0 +1,638 @@ +/** + * EnterKey.js + * + * Copyright, Moxiecode Systems AB + * Released under LGPL License. + * + * License: http://www.tinymce.com/license + * Contributing: http://www.tinymce.com/contributing + */ + +/** + * Contains logic for handling the enter key to split/generate block elements. + */ +define("tinymce/EnterKey", [ + "tinymce/dom/TreeWalker", + "tinymce/dom/RangeUtils", + "tinymce/Env" +], function(TreeWalker, RangeUtils, Env) { + var isIE = Env.ie && Env.ie < 11; + + return function(editor) { + var dom = editor.dom, selection = editor.selection, settings = editor.settings; + var undoManager = editor.undoManager, schema = editor.schema, nonEmptyElementsMap = schema.getNonEmptyElements(), + moveCaretBeforeOnEnterElementsMap = schema.getMoveCaretBeforeOnEnterElements(); + + function handleEnterKey(evt) { + var rng, tmpRng, editableRoot, container, offset, parentBlock, documentMode, shiftKey, + newBlock, fragment, containerBlock, parentBlockName, containerBlockName, newBlockName, isAfterLastNodeInContainer; + + // Returns true if the block can be split into two blocks or not + function canSplitBlock(node) { + return node && + dom.isBlock(node) && + !/^(TD|TH|CAPTION|FORM)$/.test(node.nodeName) && + !/^(fixed|absolute)/i.test(node.style.position) && + dom.getContentEditable(node) !== "true"; + } + + // Renders empty block on IE + function renderBlockOnIE(block) { + var oldRng; + + if (dom.isBlock(block)) { + oldRng = selection.getRng(); + block.appendChild(dom.create('span', null, '\u00a0')); + selection.select(block); + block.lastChild.outerHTML = ''; + selection.setRng(oldRng); + } + } + + // Remove the first empty inline element of the block so this:

x

becomes this:

x

+ function trimInlineElementsOnLeftSideOfBlock(block) { + var node = block, firstChilds = [], i; + + if (!node) { + return; + } + + // Find inner most first child ex:

*

+ while ((node = node.firstChild)) { + if (dom.isBlock(node)) { + return; + } + + if (node.nodeType == 1 && !nonEmptyElementsMap[node.nodeName.toLowerCase()]) { + firstChilds.push(node); + } + } + + i = firstChilds.length; + while (i--) { + node = firstChilds[i]; + if (!node.hasChildNodes() || (node.firstChild == node.lastChild && node.firstChild.nodeValue === '')) { + dom.remove(node); + } else { + // Remove see #5381 + if (node.nodeName == "A" && (node.innerText || node.textContent) === ' ') { + dom.remove(node); + } + } + } + } + + // Moves the caret to a suitable position within the root for example in the first non + // pure whitespace text node or before an image + function moveToCaretPosition(root) { + var walker, node, rng, lastNode = root, tempElm; + function firstNonWhiteSpaceNodeSibling(node) { + while (node) { + if (node.nodeType == 1 || (node.nodeType == 3 && node.data && /[\r\n\s]/.test(node.data))) { + return node; + } + + node = node.nextSibling; + } + } + + if (!root) { + return; + } + + // Old IE versions doesn't properly render blocks with br elements in them + // For example


wont be rendered correctly in a contentEditable area + // until you remove the br producing

+ if (Env.ie && Env.ie < 9 && parentBlock && parentBlock.firstChild) { + if (parentBlock.firstChild == parentBlock.lastChild && parentBlock.firstChild.tagName == 'BR') { + dom.remove(parentBlock.firstChild); + } + } + + if (/^(LI|DT|DD)$/.test(root.nodeName)) { + var firstChild = firstNonWhiteSpaceNodeSibling(root.firstChild); + + if (firstChild && /^(UL|OL|DL)$/.test(firstChild.nodeName)) { + root.insertBefore(dom.doc.createTextNode('\u00a0'), root.firstChild); + } + } + + rng = dom.createRng(); + + // Normalize whitespace to remove empty text nodes. Fix for: #6904 + // Gecko will be able to place the caret in empty text nodes but it won't render propery + // Older IE versions will sometimes crash so for now ignore all IE versions + if (!Env.ie) { + root.normalize(); + } + + if (root.hasChildNodes()) { + walker = new TreeWalker(root, root); + + while ((node = walker.current())) { + if (node.nodeType == 3) { + rng.setStart(node, 0); + rng.setEnd(node, 0); + break; + } + + if (moveCaretBeforeOnEnterElementsMap[node.nodeName.toLowerCase()]) { + rng.setStartBefore(node); + rng.setEndBefore(node); + break; + } + + lastNode = node; + node = walker.next(); + } + + if (!node) { + rng.setStart(lastNode, 0); + rng.setEnd(lastNode, 0); + } + } else { + if (root.nodeName == 'BR') { + if (root.nextSibling && dom.isBlock(root.nextSibling)) { + // Trick on older IE versions to render the caret before the BR between two lists + if (!documentMode || documentMode < 9) { + tempElm = dom.create('br'); + root.parentNode.insertBefore(tempElm, root); + } + + rng.setStartBefore(root); + rng.setEndBefore(root); + } else { + rng.setStartAfter(root); + rng.setEndAfter(root); + } + } else { + rng.setStart(root, 0); + rng.setEnd(root, 0); + } + } + + selection.setRng(rng); + + // Remove tempElm created for old IE:s + dom.remove(tempElm); + selection.scrollIntoView(root); + } + + function setForcedBlockAttrs(node) { + var forcedRootBlockName = settings.forced_root_block; + + if (forcedRootBlockName && forcedRootBlockName.toLowerCase() === node.tagName.toLowerCase()) { + dom.setAttribs(node, settings.forced_root_block_attrs); + } + } + + // Creates a new block element by cloning the current one or creating a new one if the name is specified + // This function will also copy any text formatting from the parent block and add it to the new one + function createNewBlock(name) { + var node = container, block, clonedNode, caretNode, textInlineElements = schema.getTextInlineElements(); + + if (name || parentBlockName == "TABLE") { + block = dom.create(name || newBlockName); + setForcedBlockAttrs(block); + } else { + block = parentBlock.cloneNode(false); + } + + caretNode = block; + + // Clone any parent styles + if (settings.keep_styles !== false) { + do { + if (textInlineElements[node.nodeName]) { + // Never clone a caret containers + if (node.id == '_mce_caret') { + continue; + } + + clonedNode = node.cloneNode(false); + dom.setAttrib(clonedNode, 'id', ''); // Remove ID since it needs to be document unique + + if (block.hasChildNodes()) { + clonedNode.appendChild(block.firstChild); + block.appendChild(clonedNode); + } else { + caretNode = clonedNode; + block.appendChild(clonedNode); + } + } + } while ((node = node.parentNode)); + } + + // BR is needed in empty blocks on non IE browsers + if (!isIE) { + caretNode.innerHTML = '
'; + } + + return block; + } + + // Returns true/false if the caret is at the start/end of the parent block element + function isCaretAtStartOrEndOfBlock(start) { + var walker, node, name; + + // Caret is in the middle of a text node like "a|b" + if (container.nodeType == 3 && (start ? offset > 0 : offset < container.nodeValue.length)) { + return false; + } + + // If after the last element in block node edge case for #5091 + if (container.parentNode == parentBlock && isAfterLastNodeInContainer && !start) { + return true; + } + + // If the caret if before the first element in parentBlock + if (start && container.nodeType == 1 && container == parentBlock.firstChild) { + return true; + } + + // Caret can be before/after a table + if (container.nodeName === "TABLE" || (container.previousSibling && container.previousSibling.nodeName == "TABLE")) { + return (isAfterLastNodeInContainer && !start) || (!isAfterLastNodeInContainer && start); + } + + // Walk the DOM and look for text nodes or non empty elements + walker = new TreeWalker(container, parentBlock); + + // If caret is in beginning or end of a text block then jump to the next/previous node + if (container.nodeType == 3) { + if (start && offset === 0) { + walker.prev(); + } else if (!start && offset == container.nodeValue.length) { + walker.next(); + } + } + + while ((node = walker.current())) { + if (node.nodeType === 1) { + // Ignore bogus elements + if (!node.getAttribute('data-mce-bogus')) { + // Keep empty elements like but not trailing br:s like

text|

+ name = node.nodeName.toLowerCase(); + if (nonEmptyElementsMap[name] && name !== 'br') { + return false; + } + } + } else if (node.nodeType === 3 && !/^[ \t\r\n]*$/.test(node.nodeValue)) { + return false; + } + + if (start) { + walker.prev(); + } else { + walker.next(); + } + } + + return true; + } + + // Wraps any text nodes or inline elements in the specified forced root block name + function wrapSelfAndSiblingsInDefaultBlock(container, offset) { + var newBlock, parentBlock, startNode, node, next, rootBlockName, blockName = newBlockName || 'P'; + + // Not in a block element or in a table cell or caption + parentBlock = dom.getParent(container, dom.isBlock); + rootBlockName = editor.getBody().nodeName.toLowerCase(); + if (!parentBlock || !canSplitBlock(parentBlock)) { + parentBlock = parentBlock || editableRoot; + + if (!parentBlock.hasChildNodes()) { + newBlock = dom.create(blockName); + setForcedBlockAttrs(newBlock); + parentBlock.appendChild(newBlock); + rng.setStart(newBlock, 0); + rng.setEnd(newBlock, 0); + return newBlock; + } + + // Find parent that is the first child of parentBlock + node = container; + while (node.parentNode != parentBlock) { + node = node.parentNode; + } + + // Loop left to find start node start wrapping at + while (node && !dom.isBlock(node)) { + startNode = node; + node = node.previousSibling; + } + + if (startNode && schema.isValidChild(rootBlockName, blockName.toLowerCase())) { + newBlock = dom.create(blockName); + setForcedBlockAttrs(newBlock); + startNode.parentNode.insertBefore(newBlock, startNode); + + // Start wrapping until we hit a block + node = startNode; + while (node && !dom.isBlock(node)) { + next = node.nextSibling; + newBlock.appendChild(node); + node = next; + } + + // Restore range to it's past location + rng.setStart(container, offset); + rng.setEnd(container, offset); + } + } + + return container; + } + + // Inserts a block or br before/after or in the middle of a split list of the LI is empty + function handleEmptyListItem() { + function isFirstOrLastLi(first) { + var node = containerBlock[first ? 'firstChild' : 'lastChild']; + + // Find first/last element since there might be whitespace there + while (node) { + if (node.nodeType == 1) { + break; + } + + node = node[first ? 'nextSibling' : 'previousSibling']; + } + + return node === parentBlock; + } + + function getContainerBlock() { + var containerBlockParent = containerBlock.parentNode; + + if (/^(LI|DT|DD)$/.test(containerBlockParent.nodeName)) { + return containerBlockParent; + } + + return containerBlock; + } + + // Check if we are in an nested list + var containerBlockParentName = containerBlock.parentNode.nodeName; + if (/^(OL|UL|LI)$/.test(containerBlockParentName)) { + newBlockName = 'LI'; + } + + newBlock = newBlockName ? createNewBlock(newBlockName) : dom.create('BR'); + + if (isFirstOrLastLi(true) && isFirstOrLastLi()) { + if (containerBlockParentName == 'LI') { + // Nested list is inside a LI + dom.insertAfter(newBlock, getContainerBlock()); + } else { + // Is first and last list item then replace the OL/UL with a text block + dom.replace(newBlock, containerBlock); + } + } else if (isFirstOrLastLi(true)) { + if (containerBlockParentName == 'LI') { + // List nested in an LI then move the list to a new sibling LI + dom.insertAfter(newBlock, getContainerBlock()); + newBlock.appendChild(dom.doc.createTextNode(' ')); // Needed for IE so the caret can be placed + newBlock.appendChild(containerBlock); + } else { + // First LI in list then remove LI and add text block before list + containerBlock.parentNode.insertBefore(newBlock, containerBlock); + } + } else if (isFirstOrLastLi()) { + // Last LI in list then remove LI and add text block after list + dom.insertAfter(newBlock, getContainerBlock()); + renderBlockOnIE(newBlock); + } else { + // Middle LI in list the split the list and insert a text block in the middle + // Extract after fragment and insert it after the current block + containerBlock = getContainerBlock(); + tmpRng = rng.cloneRange(); + tmpRng.setStartAfter(parentBlock); + tmpRng.setEndAfter(containerBlock); + fragment = tmpRng.extractContents(); + + if (newBlockName == 'LI' && fragment.firstChild.nodeName == 'LI') { + newBlock = fragment.firstChild; + dom.insertAfter(fragment, containerBlock); + } else { + dom.insertAfter(fragment, containerBlock); + dom.insertAfter(newBlock, containerBlock); + } + } + + dom.remove(parentBlock); + moveToCaretPosition(newBlock); + undoManager.add(); + } + + // Inserts a BR element if the forced_root_block option is set to false or empty string + function insertBr() { + editor.execCommand("InsertLineBreak", false, evt); + } + + // Trims any linebreaks at the beginning of node user for example when pressing enter in a PRE element + function trimLeadingLineBreaks(node) { + do { + if (node.nodeType === 3) { + node.nodeValue = node.nodeValue.replace(/^[\r\n]+/, ''); + } + + node = node.firstChild; + } while (node); + } + + function getEditableRoot(node) { + var root = dom.getRoot(), parent, editableRoot; + + // Get all parents until we hit a non editable parent or the root + parent = node; + while (parent !== root && dom.getContentEditable(parent) !== "false") { + if (dom.getContentEditable(parent) === "true") { + editableRoot = parent; + } + + parent = parent.parentNode; + } + + return parent !== root ? editableRoot : root; + } + + // Adds a BR at the end of blocks that only contains an IMG or INPUT since + // these might be floated and then they won't expand the block + function addBrToBlockIfNeeded(block) { + var lastChild; + + // IE will render the blocks correctly other browsers needs a BR + if (!isIE) { + block.normalize(); // Remove empty text nodes that got left behind by the extract + + // Check if the block is empty or contains a floated last child + lastChild = block.lastChild; + if (!lastChild || (/^(left|right)$/gi.test(dom.getStyle(lastChild, 'float', true)))) { + dom.add(block, 'br'); + } + } + } + + rng = selection.getRng(true); + + // Event is blocked by some other handler for example the lists plugin + if (evt.isDefaultPrevented()) { + return; + } + + // Delete any selected contents + if (!rng.collapsed) { + editor.execCommand('Delete'); + return; + } + + // Setup range items and newBlockName + new RangeUtils(dom).normalize(rng); + container = rng.startContainer; + offset = rng.startOffset; + newBlockName = (settings.force_p_newlines ? 'p' : '') || settings.forced_root_block; + newBlockName = newBlockName ? newBlockName.toUpperCase() : ''; + documentMode = dom.doc.documentMode; + shiftKey = evt.shiftKey; + + // Resolve node index + if (container.nodeType == 1 && container.hasChildNodes()) { + isAfterLastNodeInContainer = offset > container.childNodes.length - 1; + + container = container.childNodes[Math.min(offset, container.childNodes.length - 1)] || container; + if (isAfterLastNodeInContainer && container.nodeType == 3) { + offset = container.nodeValue.length; + } else { + offset = 0; + } + } + + // Get editable root node normaly the body element but sometimes a div or span + editableRoot = getEditableRoot(container); + + // If there is no editable root then enter is done inside a contentEditable false element + if (!editableRoot) { + return; + } + + undoManager.beforeChange(); + + // If editable root isn't block nor the root of the editor + if (!dom.isBlock(editableRoot) && editableRoot != dom.getRoot()) { + if (!newBlockName || shiftKey) { + insertBr(); + } + + return; + } + + // Wrap the current node and it's sibling in a default block if it's needed. + // for example this text|text2 will become this

text|text2

+ // This won't happen if root blocks are disabled or the shiftKey is pressed + if ((newBlockName && !shiftKey) || (!newBlockName && shiftKey)) { + container = wrapSelfAndSiblingsInDefaultBlock(container, offset); + } + + // Find parent block and setup empty block paddings + parentBlock = dom.getParent(container, dom.isBlock); + containerBlock = parentBlock ? dom.getParent(parentBlock.parentNode, dom.isBlock) : null; + + // Setup block names + parentBlockName = parentBlock ? parentBlock.nodeName.toUpperCase() : ''; // IE < 9 & HTML5 + containerBlockName = containerBlock ? containerBlock.nodeName.toUpperCase() : ''; // IE < 9 & HTML5 + + // Enter inside block contained within a LI then split or insert before/after LI + if (containerBlockName == 'LI' && !evt.ctrlKey) { + parentBlock = containerBlock; + parentBlockName = containerBlockName; + } + + // Handle enter in list item + if (/^(LI|DT|DD)$/.test(parentBlockName)) { + if (!newBlockName && shiftKey) { + insertBr(); + return; + } + + // Handle enter inside an empty list item + if (dom.isEmpty(parentBlock)) { + handleEmptyListItem(); + return; + } + } + + // Don't split PRE tags but insert a BR instead easier when writing code samples etc + if (parentBlockName == 'PRE' && settings.br_in_pre !== false) { + if (!shiftKey) { + insertBr(); + return; + } + } else { + // If no root block is configured then insert a BR by default or if the shiftKey is pressed + if ((!newBlockName && !shiftKey && parentBlockName != 'LI') || (newBlockName && shiftKey)) { + insertBr(); + return; + } + } + + // If parent block is root then never insert new blocks + if (newBlockName && parentBlock === editor.getBody()) { + return; + } + + // Default block name if it's not configured + newBlockName = newBlockName || 'P'; + + // Insert new block before/after the parent block depending on caret location + if (isCaretAtStartOrEndOfBlock()) { + // If the caret is at the end of a header we produce a P tag after it similar to Word unless we are in a hgroup + if (/^(H[1-6]|PRE|FIGURE)$/.test(parentBlockName) && containerBlockName != 'HGROUP') { + newBlock = createNewBlock(newBlockName); + } else { + newBlock = createNewBlock(); + } + + // Split the current container block element if enter is pressed inside an empty inner block element + if (settings.end_container_on_empty_block && canSplitBlock(containerBlock) && dom.isEmpty(parentBlock)) { + // Split container block for example a BLOCKQUOTE at the current blockParent location for example a P + newBlock = dom.split(containerBlock, parentBlock); + } else { + dom.insertAfter(newBlock, parentBlock); + } + + moveToCaretPosition(newBlock); + } else if (isCaretAtStartOrEndOfBlock(true)) { + // Insert new block before + newBlock = parentBlock.parentNode.insertBefore(createNewBlock(), parentBlock); + renderBlockOnIE(newBlock); + moveToCaretPosition(parentBlock); + } else { + // Extract after fragment and insert it after the current block + tmpRng = rng.cloneRange(); + tmpRng.setEndAfter(parentBlock); + fragment = tmpRng.extractContents(); + trimLeadingLineBreaks(fragment); + newBlock = fragment.firstChild; + dom.insertAfter(fragment, parentBlock); + trimInlineElementsOnLeftSideOfBlock(newBlock); + addBrToBlockIfNeeded(parentBlock); + moveToCaretPosition(newBlock); + } + + dom.setAttrib(newBlock, 'id', ''); // Remove ID since it needs to be document unique + + // Allow custom handling of new blocks + editor.fire('NewBlock', {newBlock: newBlock}); + + undoManager.add(); + } + + editor.on('keydown', function(evt) { + if (evt.keyCode == 13) { + if (handleEnterKey(evt) !== false) { + evt.preventDefault(); + } + } + }); + }; +}); \ No newline at end of file