/**
* 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
*/
/*global tinymce:true */
tinymce.PluginManager.add('autolink', function (editor) {
var AutoUrlDetectState;
var AutoLinkPattern = /^(https?:\/\/|ssh:\/\/|ftp:\/\/|file:\/|www\.|(?:mailto:)?[A-Z0-9._%+\-]+@)(.+)$/i;
if (editor.settings.autolink_pattern) {
AutoLinkPattern = editor.settings.autolink_pattern;
}
editor.on("keydown", function (e) {
if (e.keyCode == 13) {
return handleEnter(editor);
}
});
// Internet Explorer has built-in automatic linking for most cases
if (tinymce.Env.ie) {
editor.on("focus", function () {
if (!AutoUrlDetectState) {
AutoUrlDetectState = true;
try {
editor.execCommand('AutoUrlDetect', false, true);
} catch (ex) {
// Ignore
}
}
});
return;
}
editor.on("keypress", function (e) {
if (e.keyCode == 41) {
return handleEclipse(editor);
}
});
editor.on("keyup", function (e) {
if (e.keyCode == 32) {
return handleSpacebar(editor);
}
});
function handleEclipse(editor) {
parseCurrentLine(editor, -1, '(', true);
}
function handleSpacebar(editor) {
parseCurrentLine(editor, 0, '', true);
}
function handleEnter(editor) {
parseCurrentLine(editor, -1, '', false);
}
function parseCurrentLine(editor, end_offset, delimiter) {
var rng, end, start, endContainer, bookmark, text, matches, prev, len, rngText;
function scopeIndex(container, index) {
if (index < 0) {
index = 0;
}
if (container.nodeType == 3) {
var len = container.data.length;
if (index > len) {
index = len;
}
}
return index;
}
function setStart(container, offset) {
if (container.nodeType != 1 || container.hasChildNodes()) {
rng.setStart(container, scopeIndex(container, offset));
} else {
rng.setStartBefore(container);
}
}
function setEnd(container, offset) {
if (container.nodeType != 1 || container.hasChildNodes()) {
rng.setEnd(container, scopeIndex(container, offset));
} else {
rng.setEndAfter(container);
}
}
// Never create a link when we are inside a link
if (editor.selection.getNode().tagName == 'A') {
return;
}
// We need at least five characters to form a URL,
// hence, at minimum, five characters from the beginning of the line.
rng = editor.selection.getRng(true).cloneRange();
if (rng.startOffset < 5) {
// During testing, the caret is placed between two text nodes.
// The previous text node contains the URL.
prev = rng.endContainer.previousSibling;
if (!prev) {
if (!rng.endContainer.firstChild || !rng.endContainer.firstChild.nextSibling) {
return;
}
prev = rng.endContainer.firstChild.nextSibling;
}
len = prev.length;
setStart(prev, len);
setEnd(prev, len);
if (rng.endOffset < 5) {
return;
}
end = rng.endOffset;
endContainer = prev;
} else {
endContainer = rng.endContainer;
// Get a text node
if (endContainer.nodeType != 3 && endContainer.firstChild) {
while (endContainer.nodeType != 3 && endContainer.firstChild) {
endContainer = endContainer.firstChild;
}
// Move range to text node
if (endContainer.nodeType == 3) {
setStart(endContainer, 0);
setEnd(endContainer, endContainer.nodeValue.length);
}
}
if (rng.endOffset == 1) {
end = 2;
} else {
end = rng.endOffset - 1 - end_offset;
}
}
start = end;
do {
// Move the selection one character backwards.
setStart(endContainer, end >= 2 ? end - 2 : 0);
setEnd(endContainer, end >= 1 ? end - 1 : 0);
end -= 1;
rngText = rng.toString();
// Loop until one of the following is found: a blank space, , delimiter, (end-2) >= 0
} while (rngText != ' ' && rngText !== '' && rngText.charCodeAt(0) != 160 && (end - 2) >= 0 && rngText != delimiter);
if (rng.toString() == delimiter || rng.toString().charCodeAt(0) == 160) {
setStart(endContainer, end);
setEnd(endContainer, start);
end += 1;
} else if (rng.startOffset === 0) {
setStart(endContainer, 0);
setEnd(endContainer, start);
} else {
setStart(endContainer, end);
setEnd(endContainer, start);
}
// Exclude last . from word like "www.site.com."
text = rng.toString();
if (text.charAt(text.length - 1) == '.') {
setEnd(endContainer, start - 1);
}
text = rng.toString();
matches = text.match(AutoLinkPattern);
if (matches) {
if (matches[1] == 'www.') {
matches[1] = 'http://www.';
} else if (/@$/.test(matches[1]) && !/^mailto:/.test(matches[1])) {
matches[1] = 'mailto:' + matches[1];
}
bookmark = editor.selection.getBookmark();
editor.selection.setRng(rng);
editor.execCommand('createlink', false, matches[1] + matches[2]);
editor.selection.moveToBookmark(bookmark);
editor.nodeChanged();
}
}
});
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