/**
* plugin.js
*
* Released under LGPL License.
* Copyright (c) 1999-2015 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/*jshint smarttabs:true, undef:true, unused:true, latedef:true, curly:true, bitwise:true */
/*eslint no-labels:0, no-constant-condition: 0 */
/*global tinymce:true */
(function () {
function isContentEditableFalse(node) {
return node && node.nodeType == 1 && node.contentEditable === "false";
}
// Based on work developed by: James Padolsey http://james.padolsey.com
// released under UNLICENSE that is compatible with LGPL
// TODO: Handle contentEditable edgecase:
// <p>text<span contentEditable="false">text<span contentEditable="true">text</span>text</span>text</p>
function findAndReplaceDOMText(regex, node, replacementNode, captureGroup, schema) {
var m, matches = [], text, count = 0, doc;
var blockElementsMap, hiddenTextElementsMap, shortEndedElementsMap;
doc = node.ownerDocument;
blockElementsMap = schema.getBlockElements(); // H1-H6, P, TD etc
hiddenTextElementsMap = schema.getWhiteSpaceElements(); // TEXTAREA, PRE, STYLE, SCRIPT
shortEndedElementsMap = schema.getShortEndedElements(); // BR, IMG, INPUT
function getMatchIndexes(m, captureGroup) {
captureGroup = captureGroup || 0;
if (!m[0]) {
throw 'findAndReplaceDOMText cannot handle zero-length matches';
}
var index = m.index;
if (captureGroup > 0) {
var cg = m[captureGroup];
if (!cg) {
throw 'Invalid capture group';
}
index += m[0].indexOf(cg);
m[0] = cg;
}
return [index, index + m[0].length, [m[0]]];
}
function getText(node) {
var txt;
if (node.nodeType === 3) {
return node.data;
}
if (hiddenTextElementsMap[node.nodeName] && !blockElementsMap[node.nodeName]) {
return '';
}
txt = '';
if (isContentEditableFalse(node)) {
return '\n';
}
if (blockElementsMap[node.nodeName] || shortEndedElementsMap[node.nodeName]) {
txt += '\n';
}
if ((node = node.firstChild)) {
do {
txt += getText(node);
} while ((node = node.nextSibling));
}
return txt;
}
function stepThroughMatches(node, matches, replaceFn) {
var startNode, endNode, startNodeIndex,
endNodeIndex, innerNodes = [], atIndex = 0, curNode = node,
matchLocation = matches.shift(), matchIndex = 0;
out: while (true) {
if (blockElementsMap[curNode.nodeName] || shortEndedElementsMap[curNode.nodeName] || isContentEditableFalse(curNode)) {
atIndex++;
}
if (curNode.nodeType === 3) {
if (!endNode && curNode.length + atIndex >= matchLocation[1]) {
// We've found the ending
endNode = curNode;
endNodeIndex = matchLocation[1] - atIndex;
} else if (startNode) {
// Intersecting node
innerNodes.push(curNode);
}
if (!startNode && curNode.length + atIndex > matchLocation[0]) {
// We've found the match start
startNode = curNode;
startNodeIndex = matchLocation[0] - atIndex;
}
atIndex += curNode.length;
}
if (startNode && endNode) {
curNode = replaceFn({
startNode: startNode,
startNodeIndex: startNodeIndex,
endNode: endNode,
endNodeIndex: endNodeIndex,
innerNodes: innerNodes,
match: matchLocation[2],
matchIndex: matchIndex
});
// replaceFn has to return the node that replaced the endNode
// and then we step back so we can continue from the end of the
// match:
atIndex -= (endNode.length - endNodeIndex);
startNode = null;
endNode = null;
innerNodes = [];
matchLocation = matches.shift();
matchIndex++;
if (!matchLocation) {
break; // no more matches
}
} else if ((!hiddenTextElementsMap[curNode.nodeName] || blockElementsMap[curNode.nodeName]) && curNode.firstChild) {
if (!isContentEditableFalse(curNode)) {
// Move down
curNode = curNode.firstChild;
continue;
}
} else if (curNode.nextSibling) {
// Move forward:
curNode = curNode.nextSibling;
continue;
}
// Move forward or up:
while (true) {
if (curNode.nextSibling) {
curNode = curNode.nextSibling;
break;
} else if (curNode.parentNode !== node) {
curNode = curNode.parentNode;
} else {
break out;
}
}
}
}
/**
* Generates the actual replaceFn which splits up text nodes
* and inserts the replacement element.
*/
function genReplacer(nodeName) {
var makeReplacementNode;
if (typeof nodeName != 'function') {
var stencilNode = nodeName.nodeType ? nodeName : doc.createElement(nodeName);
makeReplacementNode = function (fill, matchIndex) {
var clone = stencilNode.cloneNode(false);
clone.setAttribute('data-mce-index', matchIndex);
if (fill) {
clone.appendChild(doc.createTextNode(fill));
}
return clone;
};
} else {
makeReplacementNode = nodeName;
}
return function (range) {
var before, after, parentNode, startNode = range.startNode,
endNode = range.endNode, matchIndex = range.matchIndex;
if (startNode === endNode) {
var node = startNode;
parentNode = node.parentNode;
if (range.startNodeIndex > 0) {
// Add `before` text node (before the match)
before = doc.createTextNode(node.data.substring(0, range.startNodeIndex));
parentNode.insertBefore(before, node);
}
// Create the replacement node:
var el = makeReplacementNode(range.match[0], matchIndex);
parentNode.insertBefore(el, node);
if (range.endNodeIndex < node.length) {
// Add `after` text node (after the match)
after = doc.createTextNode(node.data.substring(range.endNodeIndex));
parentNode.insertBefore(after, node);
}
node.parentNode.removeChild(node);
return el;
}
// Replace startNode -> [innerNodes...] -> endNode (in that order)
before = doc.createTextNode(startNode.data.substring(0, range.startNodeIndex));
after = doc.createTextNode(endNode.data.substring(range.endNodeIndex));
var elA = makeReplacementNode(startNode.data.substring(range.startNodeIndex), matchIndex);
var innerEls = [];
for (var i = 0, l = range.innerNodes.length; i < l; ++i) {
var innerNode = range.innerNodes[i];
var innerEl = makeReplacementNode(innerNode.data, matchIndex);
innerNode.parentNode.replaceChild(innerEl, innerNode);
innerEls.push(innerEl);
}
var elB = makeReplacementNode(endNode.data.substring(0, range.endNodeIndex), matchIndex);
parentNode = startNode.parentNode;
parentNode.insertBefore(before, startNode);
parentNode.insertBefore(elA, startNode);
parentNode.removeChild(startNode);
parentNode = endNode.parentNode;
parentNode.insertBefore(elB, endNode);
parentNode.insertBefore(after, endNode);
parentNode.removeChild(endNode);
return elB;
};
}
text = getText(node);
if (!text) {
return;
}
if (regex.global) {
while ((m = regex.exec(text))) {
matches.push(getMatchIndexes(m, captureGroup));
}
} else {
m = text.match(regex);
matches.push(getMatchIndexes(m, captureGroup));
}
if (matches.length) {
count = matches.length;
stepThroughMatches(node, matches, genReplacer(replacementNode));
}
return count;
}
function Plugin(editor) {
var self = this, currentIndex = -1;
function showDialog() {
var last = {}, selectedText;
selectedText = tinymce.trim(editor.selection.getContent({format: 'text'}));
function updateButtonStates() {
win.statusbar.find('#next').disabled(!findSpansByIndex(currentIndex + 1).length);
win.statusbar.find('#prev').disabled(!findSpansByIndex(currentIndex - 1).length);
}
function notFoundAlert() {
editor.windowManager.alert('Could not find the specified string.', function () {
win.find('#find')[0].focus();
});
}
var win = editor.windowManager.open({
layout: "flex",
pack: "center",
align: "center",
onClose: function () {
editor.focus();
self.done();
},
onSubmit: function (e) {
var count, caseState, text, wholeWord;
e.preventDefault();
caseState = win.find('#case').checked();
wholeWord = win.find('#words').checked();
text = win.find('#find').value();
if (!text.length) {
self.done(false);
win.statusbar.items().slice(1).disabled(true);
return;
}
if (last.text == text && last.caseState == caseState && last.wholeWord == wholeWord) {
if (findSpansByIndex(currentIndex + 1).length === 0) {
notFoundAlert();
return;
}
self.next();
updateButtonStates();
return;
}
count = self.find(text, caseState, wholeWord);
if (!count) {
notFoundAlert();
}
win.statusbar.items().slice(1).disabled(count === 0);
updateButtonStates();
last = {
text: text,
caseState: caseState,
wholeWord: wholeWord
};
},
buttons: [
{text: "Find", subtype: 'primary', onclick: function () {
win.submit();
}},
{text: "Replace", disabled: true, onclick: function () {
if (!self.replace(win.find('#replace').value())) {
win.statusbar.items().slice(1).disabled(true);
currentIndex = -1;
last = {};
}
}},
{text: "Replace all", disabled: true, onclick: function () {
self.replace(win.find('#replace').value(), true, true);
win.statusbar.items().slice(1).disabled(true);
last = {};
}},
{type: "spacer", flex: 1},
{text: "Prev", name: 'prev', disabled: true, onclick: function () {
self.prev();
updateButtonStates();
}},
{text: "Next", name: 'next', disabled: true, onclick: function () {
self.next();
updateButtonStates();
}}
],
title: "Find and replace",
items: {
type: "form",
padding: 20,
labelGap: 30,
spacing: 10,
items: [
{type: 'textbox', name: 'find', size: 40, label: 'Find', value: selectedText},
{type: 'textbox', name: 'replace', size: 40, label: 'Replace with'},
{type: 'checkbox', name: 'case', text: 'Match case', label: ' '},
{type: 'checkbox', name: 'words', text: 'Whole words', label: ' '}
]
}
});
}
self.init = function (ed) {
ed.addMenuItem('searchreplace', {
text: 'Find and replace',
shortcut: 'Meta+F',
onclick: showDialog,
separator: 'before',
context: 'edit'
});
ed.addButton('searchreplace', {
tooltip: 'Find and replace',
shortcut: 'Meta+F',
onclick: showDialog
});
ed.addCommand("SearchReplace", showDialog);
ed.shortcuts.add('Meta+F', '', showDialog);
};
function getElmIndex(elm) {
var value = elm.getAttribute('data-mce-index');
if (typeof value == "number") {
return "" + value;
}
return value;
}
function markAllMatches(regex) {
var node, marker;
marker = editor.dom.create('span', {
"data-mce-bogus": 1
});
marker.className = 'mce-match-marker'; // IE 7 adds class="mce-match-marker" and class=mce-match-marker
node = editor.getBody();
self.done(false);
return findAndReplaceDOMText(regex, node, marker, false, editor.schema);
}
function unwrap(node) {
var parentNode = node.parentNode;
if (node.firstChild) {
parentNode.insertBefore(node.firstChild, node);
}
node.parentNode.removeChild(node);
}
function findSpansByIndex(index) {
var nodes, spans = [];
nodes = tinymce.toArray(editor.getBody().getElementsByTagName('span'));
if (nodes.length) {
for (var i = 0; i < nodes.length; i++) {
var nodeIndex = getElmIndex(nodes[i]);
if (nodeIndex === null || !nodeIndex.length) {
continue;
}
if (nodeIndex === index.toString()) {
spans.push(nodes[i]);
}
}
}
return spans;
}
function moveSelection(forward) {
var testIndex = currentIndex, dom = editor.dom;
forward = forward !== false;
if (forward) {
testIndex++;
} else {
testIndex--;
}
dom.removeClass(findSpansByIndex(currentIndex), 'mce-match-marker-selected');
var spans = findSpansByIndex(testIndex);
if (spans.length) {
dom.addClass(findSpansByIndex(testIndex), 'mce-match-marker-selected');
editor.selection.scrollIntoView(spans[0]);
return testIndex;
}
return -1;
}
function removeNode(node) {
var dom = editor.dom, parent = node.parentNode;
dom.remove(node);
if (dom.isEmpty(parent)) {
dom.remove(parent);
}
}
self.find = function (text, matchCase, wholeWord) {
text = text.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
text = wholeWord ? '\\b' + text + '\\b' : text;
var count = markAllMatches(new RegExp(text, matchCase ? 'g' : 'gi'));
if (count) {
currentIndex = -1;
currentIndex = moveSelection(true);
}
return count;
};
self.next = function () {
var index = moveSelection(true);
if (index !== -1) {
currentIndex = index;
}
};
self.prev = function () {
var index = moveSelection(false);
if (index !== -1) {
currentIndex = index;
}
};
function isMatchSpan(node) {
var matchIndex = getElmIndex(node);
return matchIndex !== null && matchIndex.length > 0;
}
self.replace = function (text, forward, all) {
var i, nodes, node, matchIndex, currentMatchIndex, nextIndex = currentIndex, hasMore;
forward = forward !== false;
node = editor.getBody();
nodes = tinymce.grep(tinymce.toArray(node.getElementsByTagName('span')), isMatchSpan);
for (i = 0; i < nodes.length; i++) {
var nodeIndex = getElmIndex(nodes[i]);
matchIndex = currentMatchIndex = parseInt(nodeIndex, 10);
if (all || matchIndex === currentIndex) {
if (text.length) {
nodes[i].firstChild.nodeValue = text;
unwrap(nodes[i]);
} else {
removeNode(nodes[i]);
}
while (nodes[++i]) {
matchIndex = parseInt(getElmIndex(nodes[i]), 10);
if (matchIndex === currentMatchIndex) {
removeNode(nodes[i]);
} else {
i--;
break;
}
}
if (forward) {
nextIndex--;
}
} else if (currentMatchIndex > currentIndex) {
nodes[i].setAttribute('data-mce-index', currentMatchIndex - 1);
}
}
editor.undoManager.add();
currentIndex = nextIndex;
if (forward) {
hasMore = findSpansByIndex(nextIndex + 1).length > 0;
self.next();
} else {
hasMore = findSpansByIndex(nextIndex - 1).length > 0;
self.prev();
}
return !all && hasMore;
};
self.done = function (keepEditorSelection) {
var i, nodes, startContainer, endContainer;
nodes = tinymce.toArray(editor.getBody().getElementsByTagName('span'));
for (i = 0; i < nodes.length; i++) {
var nodeIndex = getElmIndex(nodes[i]);
if (nodeIndex !== null && nodeIndex.length) {
if (nodeIndex === currentIndex.toString()) {
if (!startContainer) {
startContainer = nodes[i].firstChild;
}
endContainer = nodes[i].firstChild;
}
unwrap(nodes[i]);
}
}
if (startContainer && endContainer) {
var rng = editor.dom.createRng();
rng.setStart(startContainer, 0);
rng.setEnd(endContainer, endContainer.data.length);
if (keepEditorSelection !== false) {
editor.selection.setRng(rng);
}
return rng;
}
};
}
tinymce.PluginManager.add('searchreplace', Plugin);
})();
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