silverstripe-framework/thirdparty/tinymce/plugins/paste/editor_plugin_src.js
2011-04-05 11:42:57 +12:00

931 lines
32 KiB
JavaScript

/**
* editor_plugin_src.js
*
* Copyright 2009, Moxiecode Systems AB
* Released under LGPL License.
*
* License: http://tinymce.moxiecode.com/license
* Contributing: http://tinymce.moxiecode.com/contributing
*/
(function() {
var each = tinymce.each,
defs = {
paste_auto_cleanup_on_paste : true,
paste_enable_default_filters : true,
paste_block_drop : false,
paste_retain_style_properties : "none",
paste_strip_class_attributes : "mso",
paste_remove_spans : false,
paste_remove_styles : false,
paste_remove_styles_if_webkit : true,
paste_convert_middot_lists : true,
paste_convert_headers_to_strong : false,
paste_dialog_width : "450",
paste_dialog_height : "400",
paste_text_use_dialog : false,
paste_text_sticky : false,
paste_text_notifyalways : false,
paste_text_linebreaktype : "p",
paste_text_replacements : [
[/\u2026/g, "..."],
[/[\x93\x94\u201c\u201d]/g, '"'],
[/[\x60\x91\x92\u2018\u2019]/g, "'"]
]
};
function getParam(ed, name) {
return ed.getParam(name, defs[name]);
}
tinymce.create('tinymce.plugins.PastePlugin', {
init : function(ed, url) {
var t = this;
t.editor = ed;
t.url = url;
// Setup plugin events
t.onPreProcess = new tinymce.util.Dispatcher(t);
t.onPostProcess = new tinymce.util.Dispatcher(t);
// Register default handlers
t.onPreProcess.add(t._preProcess);
t.onPostProcess.add(t._postProcess);
// Register optional preprocess handler
t.onPreProcess.add(function(pl, o) {
ed.execCallback('paste_preprocess', pl, o);
});
// Register optional postprocess
t.onPostProcess.add(function(pl, o) {
ed.execCallback('paste_postprocess', pl, o);
});
ed.onKeyDown.addToTop(function(ed, e) {
// Block ctrl+v from adding an undo level since the default logic in tinymce.Editor will add that
if (((tinymce.isMac ? e.metaKey : e.ctrlKey) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45))
return false; // Stop other listeners
});
// Initialize plain text flag
ed.pasteAsPlainText = false;
// This function executes the process handlers and inserts the contents
// force_rich overrides plain text mode set by user, important for pasting with execCommand
function process(o, force_rich) {
var dom = ed.dom, rng, nodes;
// Execute pre process handlers
t.onPreProcess.dispatch(t, o);
// Create DOM structure
o.node = dom.create('div', 0, o.content);
// If pasting inside the same element and the contents is only one block
// remove the block and keep the text since Firefox will copy parts of pre and h1-h6 as a pre element
if (tinymce.isGecko) {
rng = ed.selection.getRng(true);
if (rng.startContainer == rng.endContainer && rng.startContainer.nodeType == 3) {
nodes = dom.select('p,h1,h2,h3,h4,h5,h6,pre', o.node);
// Is only one block node and it doesn't contain word stuff
if (nodes.length == 1 && o.content.indexOf('__MCE_ITEM__') === -1)
dom.remove(nodes.reverse(), true);
}
}
// Execute post process handlers
t.onPostProcess.dispatch(t, o);
// Serialize content
o.content = ed.serializer.serialize(o.node, {getInner : 1});
// Plain text option active?
if ((!force_rich) && (ed.pasteAsPlainText)) {
t._insertPlainText(ed, dom, o.content);
if (!getParam(ed, "paste_text_sticky")) {
ed.pasteAsPlainText = false;
ed.controlManager.setActive("pastetext", false);
}
} else {
t._insert(o.content);
}
}
// Add command for external usage
ed.addCommand('mceInsertClipboardContent', function(u, o) {
process(o, true);
});
if (!getParam(ed, "paste_text_use_dialog")) {
ed.addCommand('mcePasteText', function(u, v) {
var cookie = tinymce.util.Cookie;
ed.pasteAsPlainText = !ed.pasteAsPlainText;
ed.controlManager.setActive('pastetext', ed.pasteAsPlainText);
if ((ed.pasteAsPlainText) && (!cookie.get("tinymcePasteText"))) {
if (getParam(ed, "paste_text_sticky")) {
ed.windowManager.alert(ed.translate('paste.plaintext_mode_sticky'));
} else {
ed.windowManager.alert(ed.translate('paste.plaintext_mode_sticky'));
}
if (!getParam(ed, "paste_text_notifyalways")) {
cookie.set("tinymcePasteText", "1", new Date(new Date().getFullYear() + 1, 12, 31))
}
}
});
}
ed.addButton('pastetext', {title: 'paste.paste_text_desc', cmd: 'mcePasteText'});
ed.addButton('selectall', {title: 'paste.selectall_desc', cmd: 'selectall'});
// This function grabs the contents from the clipboard by adding a
// hidden div and placing the caret inside it and after the browser paste
// is done it grabs that contents and processes that
function grabContent(e) {
var n, or, rng, oldRng, sel = ed.selection, dom = ed.dom, body = ed.getBody(), posY, textContent;
// Check if browser supports direct plaintext access
if (e.clipboardData || dom.doc.dataTransfer) {
textContent = (e.clipboardData || dom.doc.dataTransfer).getData('Text');
if (ed.pasteAsPlainText) {
e.preventDefault();
process({content : textContent.replace(/\r?\n/g, '<br />')});
return;
}
}
if (dom.get('_mcePaste'))
return;
// Create container to paste into
n = dom.add(body, 'div', {id : '_mcePaste', 'class' : 'mcePaste', 'data-mce-bogus' : '1'}, '\uFEFF\uFEFF<br data-mce-bogus="1">');
// If contentEditable mode we need to find out the position of the closest element
if (body != ed.getDoc().body)
posY = dom.getPos(ed.selection.getStart(), body).y;
else
posY = body.scrollTop + dom.getViewPort().y;
// Styles needs to be applied after the element is added to the document since WebKit will otherwise remove all styles
dom.setStyles(n, {
position : 'absolute',
left : -10000,
top : posY,
width : 1,
height : 1,
overflow : 'hidden'
});
if (tinymce.isIE) {
// Store away the old range
oldRng = sel.getRng();
// Select the container
rng = dom.doc.body.createTextRange();
rng.moveToElementText(n);
rng.execCommand('Paste');
// Remove container
dom.remove(n);
// Check if the contents was changed, if it wasn't then clipboard extraction failed probably due
// to IE security settings so we pass the junk though better than nothing right
if (n.innerHTML === '\uFEFF') {
ed.execCommand('mcePasteWord');
e.preventDefault();
return;
}
// Restore the old range and clear the contents before pasting
sel.setRng(oldRng);
sel.setContent('');
// For some odd reason we need to detach the the mceInsertContent call from the paste event
// It's like IE has a reference to the parent element that you paste in and the selection gets messed up
// when it tries to restore the selection
setTimeout(function() {
// Process contents
process({content : n.innerHTML});
}, 0);
// Block the real paste event
return tinymce.dom.Event.cancel(e);
} else {
function block(e) {
e.preventDefault();
};
// Block mousedown and click to prevent selection change
dom.bind(ed.getDoc(), 'mousedown', block);
dom.bind(ed.getDoc(), 'keydown', block);
or = ed.selection.getRng();
// Move caret into hidden div
n = n.firstChild;
rng = ed.getDoc().createRange();
rng.setStart(n, 0);
rng.setEnd(n, 1);
sel.setRng(rng);
// Wait a while and grab the pasted contents
window.setTimeout(function() {
var h = '', nl;
// Paste divs duplicated in paste divs seems to happen when you paste plain text so lets first look for that broken behavior in WebKit
if (!dom.select('div.mcePaste > div.mcePaste').length) {
nl = dom.select('div.mcePaste');
// WebKit will split the div into multiple ones so this will loop through then all and join them to get the whole HTML string
each(nl, function(n) {
var child = n.firstChild;
// WebKit inserts a DIV container with lots of odd styles
if (child && child.nodeName == 'DIV' && child.style.marginTop && child.style.backgroundColor) {
dom.remove(child, 1);
}
// Remove apply style spans
each(dom.select('span.Apple-style-span', n), function(n) {
dom.remove(n, 1);
});
// Remove bogus br elements
each(dom.select('br[data-mce-bogus]', n), function(n) {
dom.remove(n);
});
// WebKit will make a copy of the DIV for each line of plain text pasted and insert them into the DIV
if (n.parentNode.className != 'mcePaste')
h += n.innerHTML;
});
} else {
// Found WebKit weirdness so force the content into plain text mode
h = '<pre>' + dom.encode(textContent).replace(/\r?\n/g, '<br />') + '</pre>';
}
// Remove the nodes
each(dom.select('div.mcePaste'), function(n) {
dom.remove(n);
});
// Restore the old selection
if (or)
sel.setRng(or);
process({content : h});
// Unblock events ones we got the contents
dom.unbind(ed.getDoc(), 'mousedown', block);
dom.unbind(ed.getDoc(), 'keydown', block);
}, 0);
}
}
// Check if we should use the new auto process method
if (getParam(ed, "paste_auto_cleanup_on_paste")) {
// Is it's Opera or older FF use key handler
if (tinymce.isOpera || /Firefox\/2/.test(navigator.userAgent)) {
ed.onKeyDown.addToTop(function(ed, e) {
if (((tinymce.isMac ? e.metaKey : e.ctrlKey) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45))
grabContent(e);
});
} else {
// Grab contents on paste event on Gecko and WebKit
ed.onPaste.addToTop(function(ed, e) {
return grabContent(e);
});
}
}
// Block all drag/drop events
if (getParam(ed, "paste_block_drop")) {
ed.onInit.add(function() {
ed.dom.bind(ed.getBody(), ['dragend', 'dragover', 'draggesture', 'dragdrop', 'drop', 'drag'], function(e) {
e.preventDefault();
e.stopPropagation();
return false;
});
});
}
// Add legacy support
t._legacySupport();
},
getInfo : function() {
return {
longname : 'Paste text/word',
author : 'Moxiecode Systems AB',
authorurl : 'http://tinymce.moxiecode.com',
infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/paste',
version : tinymce.majorVersion + "." + tinymce.minorVersion
};
},
_preProcess : function(pl, o) {
var ed = this.editor,
h = o.content,
grep = tinymce.grep,
explode = tinymce.explode,
trim = tinymce.trim,
len, stripClass;
//console.log('Before preprocess:' + o.content);
function process(items) {
each(items, function(v) {
// Remove or replace
if (v.constructor == RegExp)
h = h.replace(v, '');
else
h = h.replace(v[0], v[1]);
});
}
if (ed.settings.paste_enable_default_filters == false) {
return;
}
// IE9 adds BRs before/after block elements when contents is pasted from word or for example another browser
if (tinymce.isIE && document.documentMode >= 9)
process([[/(?:<br>&nbsp;[\s\r\n]+|<br>)*(<\/?(h[1-6r]|p|div|address|pre|form|table|tbody|thead|tfoot|th|tr|td|li|ol|ul|caption|blockquote|center|dl|dt|dd|dir|fieldset)[^>]*>)(?:<br>&nbsp;[\s\r\n]+|<br>)*/g, '$1']]);
// Detect Word content and process it more aggressive
if (/class="?Mso|style="[^"]*\bmso-|w:WordDocument/i.test(h) || o.wordContent) {
o.wordContent = true; // Mark the pasted contents as word specific content
//console.log('Word contents detected.');
// Process away some basic content
process([
/^\s*(&nbsp;)+/gi, // &nbsp; entities at the start of contents
/(&nbsp;|<br[^>]*>)+\s*$/gi // &nbsp; entities at the end of contents
]);
if (getParam(ed, "paste_convert_headers_to_strong")) {
h = h.replace(/<p [^>]*class="?MsoHeading"?[^>]*>(.*?)<\/p>/gi, "<p><strong>$1</strong></p>");
}
if (getParam(ed, "paste_convert_middot_lists")) {
process([
[/<!--\[if !supportLists\]-->/gi, '$&__MCE_ITEM__'], // Convert supportLists to a list item marker
[/(<span[^>]+(?:mso-list:|:\s*symbol)[^>]+>)/gi, '$1__MCE_ITEM__'], // Convert mso-list and symbol spans to item markers
[/(<p[^>]+(?:MsoListParagraph)[^>]+>)/gi, '$1__MCE_ITEM__'] // Convert mso-list and symbol paragraphs to item markers (FF)
]);
}
process([
// Word comments like conditional comments etc
/<!--[\s\S]+?-->/gi,
// Remove comments, scripts (e.g., msoShowComment), XML tag, VML content, MS Office namespaced tags, and a few other tags
/<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,
// Convert <s> into <strike> for line-though
[/<(\/?)s>/gi, "<$1strike>"],
// Replace nsbp entites to char since it's easier to handle
[/&nbsp;/gi, "\u00a0"]
]);
// Remove bad attributes, with or without quotes, ensuring that attribute text is really inside a tag.
// If JavaScript had a RegExp look-behind, we could have integrated this with the last process() array and got rid of the loop. But alas, it does not, so we cannot.
do {
len = h.length;
h = h.replace(/(<[a-z][^>]*\s)(?:id|name|language|type|on\w+|\w+:\w+)=(?:"[^"]*"|\w+)\s?/gi, "$1");
} while (len != h.length);
// Remove all spans if no styles is to be retained
if (getParam(ed, "paste_retain_style_properties").replace(/^none$/i, "").length == 0) {
h = h.replace(/<\/?span[^>]*>/gi, "");
} else {
// We're keeping styles, so at least clean them up.
// CSS Reference: http://msdn.microsoft.com/en-us/library/aa155477.aspx
process([
// Convert <span style="mso-spacerun:yes">___</span> to string of alternating breaking/non-breaking spaces of same length
[/<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
function(str, spaces) {
return (spaces.length > 0)? spaces.replace(/./, " ").slice(Math.floor(spaces.length/2)).split("").join("\u00a0") : "";
}
],
// Examine all styles: delete junk, transform some, and keep the rest
[/(<[a-z][^>]*)\sstyle="([^"]*)"/gi,
function(str, tag, style) {
var n = [],
i = 0,
s = explode(trim(style).replace(/&quot;/gi, "'"), ";");
// Examine each style definition within the tag's style attribute
each(s, function(v) {
var name, value,
parts = explode(v, ":");
function ensureUnits(v) {
return v + ((v !== "0") && (/\d$/.test(v)))? "px" : "";
}
if (parts.length == 2) {
name = parts[0].toLowerCase();
value = parts[1].toLowerCase();
// Translate certain MS Office styles into their CSS equivalents
switch (name) {
case "mso-padding-alt":
case "mso-padding-top-alt":
case "mso-padding-right-alt":
case "mso-padding-bottom-alt":
case "mso-padding-left-alt":
case "mso-margin-alt":
case "mso-margin-top-alt":
case "mso-margin-right-alt":
case "mso-margin-bottom-alt":
case "mso-margin-left-alt":
case "mso-table-layout-alt":
case "mso-height":
case "mso-width":
case "mso-vertical-align-alt":
n[i++] = name.replace(/^mso-|-alt$/g, "") + ":" + ensureUnits(value);
return;
case "horiz-align":
n[i++] = "text-align:" + value;
return;
case "vert-align":
n[i++] = "vertical-align:" + value;
return;
case "font-color":
case "mso-foreground":
n[i++] = "color:" + value;
return;
case "mso-background":
case "mso-highlight":
n[i++] = "background:" + value;
return;
case "mso-default-height":
n[i++] = "min-height:" + ensureUnits(value);
return;
case "mso-default-width":
n[i++] = "min-width:" + ensureUnits(value);
return;
case "mso-padding-between-alt":
n[i++] = "border-collapse:separate;border-spacing:" + ensureUnits(value);
return;
case "text-line-through":
if ((value == "single") || (value == "double")) {
n[i++] = "text-decoration:line-through";
}
return;
case "mso-zero-height":
if (value == "yes") {
n[i++] = "display:none";
}
return;
}
// Eliminate all MS Office style definitions that have no CSS equivalent by examining the first characters in the name
if (/^(mso|column|font-emph|lang|layout|line-break|list-image|nav|panose|punct|row|ruby|sep|size|src|tab-|table-border|text-(?!align|decor|indent|trans)|top-bar|version|vnd|word-break)/.test(name)) {
return;
}
// If it reached this point, it must be a valid CSS style
n[i++] = name + ":" + parts[1]; // Lower-case name, but keep value case
}
});
// If style attribute contained any valid styles the re-write it; otherwise delete style attribute.
if (i > 0) {
return tag + ' style="' + n.join(';') + '"';
} else {
return tag;
}
}
]
]);
}
}
// Replace headers with <strong>
if (getParam(ed, "paste_convert_headers_to_strong")) {
process([
[/<h[1-6][^>]*>/gi, "<p><strong>"],
[/<\/h[1-6][^>]*>/gi, "</strong></p>"]
]);
}
process([
// Copy paste from Java like Open Office will produce this junk on FF
[/Version:[\d.]+\nStartHTML:\d+\nEndHTML:\d+\nStartFragment:\d+\nEndFragment:\d+/gi, '']
]);
// Class attribute options are: leave all as-is ("none"), remove all ("all"), or remove only those starting with mso ("mso").
// Note:- paste_strip_class_attributes: "none", verify_css_classes: true is also a good variation.
stripClass = getParam(ed, "paste_strip_class_attributes");
if (stripClass !== "none") {
function removeClasses(match, g1) {
if (stripClass === "all")
return '';
var cls = grep(explode(g1.replace(/^(["'])(.*)\1$/, "$2"), " "),
function(v) {
return (/^(?!mso)/i.test(v));
}
);
return cls.length ? ' class="' + cls.join(" ") + '"' : '';
};
h = h.replace(/ class="([^"]+)"/gi, removeClasses);
h = h.replace(/ class=([\-\w]+)/gi, removeClasses);
}
// Remove spans option
if (getParam(ed, "paste_remove_spans")) {
h = h.replace(/<\/?span[^>]*>/gi, "");
}
//console.log('After preprocess:' + h);
o.content = h;
},
/**
* Various post process items.
*/
_postProcess : function(pl, o) {
var t = this, ed = t.editor, dom = ed.dom, styleProps;
if (ed.settings.paste_enable_default_filters == false) {
return;
}
if (o.wordContent) {
// Remove named anchors or TOC links
each(dom.select('a', o.node), function(a) {
if (!a.href || a.href.indexOf('#_Toc') != -1)
dom.remove(a, 1);
});
if (getParam(ed, "paste_convert_middot_lists")) {
t._convertLists(pl, o);
}
// Process styles
styleProps = getParam(ed, "paste_retain_style_properties"); // retained properties
// Process only if a string was specified and not equal to "all" or "*"
if ((tinymce.is(styleProps, "string")) && (styleProps !== "all") && (styleProps !== "*")) {
styleProps = tinymce.explode(styleProps.replace(/^none$/i, ""));
// Retains some style properties
each(dom.select('*', o.node), function(el) {
var newStyle = {}, npc = 0, i, sp, sv;
// Store a subset of the existing styles
if (styleProps) {
for (i = 0; i < styleProps.length; i++) {
sp = styleProps[i];
sv = dom.getStyle(el, sp);
if (sv) {
newStyle[sp] = sv;
npc++;
}
}
}
// Remove all of the existing styles
dom.setAttrib(el, 'style', '');
if (styleProps && npc > 0)
dom.setStyles(el, newStyle); // Add back the stored subset of styles
else // Remove empty span tags that do not have class attributes
if (el.nodeName == 'SPAN' && !el.className)
dom.remove(el, true);
});
}
}
// Remove all style information or only specifically on WebKit to avoid the style bug on that browser
if (getParam(ed, "paste_remove_styles") || (getParam(ed, "paste_remove_styles_if_webkit") && tinymce.isWebKit)) {
each(dom.select('*[style]', o.node), function(el) {
el.removeAttribute('style');
el.removeAttribute('data-mce-style');
});
} else {
if (tinymce.isWebKit) {
// We need to compress the styles on WebKit since if you paste <img border="0" /> it will become <img border="0" style="... lots of junk ..." />
// Removing the mce_style that contains the real value will force the Serializer engine to compress the styles
each(dom.select('*', o.node), function(el) {
el.removeAttribute('data-mce-style');
});
}
}
},
/**
* Converts the most common bullet and number formats in Office into a real semantic UL/LI list.
*/
_convertLists : function(pl, o) {
var dom = pl.editor.dom, listElm, li, lastMargin = -1, margin, levels = [], lastType, html;
// Convert middot lists into real semantic lists
each(dom.select('p', o.node), function(p) {
var sib, val = '', type, html, idx, parents;
// Get text node value at beginning of paragraph
for (sib = p.firstChild; sib && sib.nodeType == 3; sib = sib.nextSibling)
val += sib.nodeValue;
val = p.innerHTML.replace(/<\/?\w+[^>]*>/gi, '').replace(/&nbsp;/g, '\u00a0');
// Detect unordered lists look for bullets
if (/^(__MCE_ITEM__)+[\u2022\u00b7\u00a7\u00d8o\u25CF]\s*\u00a0*/.test(val))
type = 'ul';
// Detect ordered lists 1., a. or ixv.
if (/^__MCE_ITEM__\s*\w+\.\s*\u00a0+/.test(val))
type = 'ol';
// Check if node value matches the list pattern: o&nbsp;&nbsp;
if (type) {
margin = parseFloat(p.style.marginLeft || 0);
if (margin > lastMargin)
levels.push(margin);
if (!listElm || type != lastType) {
listElm = dom.create(type);
dom.insertAfter(listElm, p);
} else {
// Nested list element
if (margin > lastMargin) {
listElm = li.appendChild(dom.create(type));
} else if (margin < lastMargin) {
// Find parent level based on margin value
idx = tinymce.inArray(levels, margin);
parents = dom.getParents(listElm.parentNode, type);
listElm = parents[parents.length - 1 - idx] || listElm;
}
}
// Remove middot or number spans if they exists
each(dom.select('span', p), function(span) {
var html = span.innerHTML.replace(/<\/?\w+[^>]*>/gi, '');
// Remove span with the middot or the number
if (type == 'ul' && /^__MCE_ITEM__[\u2022\u00b7\u00a7\u00d8o\u25CF]/.test(html))
dom.remove(span);
else if (/^__MCE_ITEM__[\s\S]*\w+\.(&nbsp;|\u00a0)*\s*/.test(html))
dom.remove(span);
});
html = p.innerHTML;
// Remove middot/list items
if (type == 'ul')
html = p.innerHTML.replace(/__MCE_ITEM__/g, '').replace(/^[\u2022\u00b7\u00a7\u00d8o\u25CF]\s*(&nbsp;|\u00a0)+\s*/, '');
else
html = p.innerHTML.replace(/__MCE_ITEM__/g, '').replace(/^\s*\w+\.(&nbsp;|\u00a0)+\s*/, '');
// Create li and add paragraph data into the new li
li = listElm.appendChild(dom.create('li', 0, html));
dom.remove(p);
lastMargin = margin;
lastType = type;
} else
listElm = lastMargin = 0; // End list element
});
// Remove any left over makers
html = o.node.innerHTML;
if (html.indexOf('__MCE_ITEM__') != -1)
o.node.innerHTML = html.replace(/__MCE_ITEM__/g, '');
},
/**
* Inserts the specified contents at the caret position.
*/
_insert : function(h, skip_undo) {
var ed = this.editor, r = ed.selection.getRng();
// First delete the contents seems to work better on WebKit when the selection spans multiple list items or multiple table cells.
if (!ed.selection.isCollapsed() && r.startContainer != r.endContainer)
ed.getDoc().execCommand('Delete', false, null);
ed.execCommand('mceInsertContent', false, h, {skip_undo : skip_undo});
},
/**
* Instead of the old plain text method which tried to re-create a paste operation, the
* new approach adds a plain text mode toggle switch that changes the behavior of paste.
* This function is passed the same input that the regular paste plugin produces.
* It performs additional scrubbing and produces (and inserts) the plain text.
* This approach leverages all of the great existing functionality in the paste
* plugin, and requires minimal changes to add the new functionality.
* Speednet - June 2009
*/
_insertPlainText : function(ed, dom, h) {
var i, len, pos, rpos, node, breakElms, before, after,
w = ed.getWin(),
d = ed.getDoc(),
sel = ed.selection,
is = tinymce.is,
inArray = tinymce.inArray,
linebr = getParam(ed, "paste_text_linebreaktype"),
rl = getParam(ed, "paste_text_replacements");
function process(items) {
each(items, function(v) {
if (v.constructor == RegExp)
h = h.replace(v, "");
else
h = h.replace(v[0], v[1]);
});
};
if ((typeof(h) === "string") && (h.length > 0)) {
// If HTML content with line-breaking tags, then remove all cr/lf chars because only tags will break a line
if (/<(?:p|br|h[1-6]|ul|ol|dl|table|t[rdh]|div|blockquote|fieldset|pre|address|center)[^>]*>/i.test(h)) {
process([
/[\n\r]+/g
]);
} else {
// Otherwise just get rid of carriage returns (only need linefeeds)
process([
/\r+/g
]);
}
process([
[/<\/(?:p|h[1-6]|ul|ol|dl|table|div|blockquote|fieldset|pre|address|center)>/gi, "\n\n"], // Block tags get a blank line after them
[/<br[^>]*>|<\/tr>/gi, "\n"], // Single linebreak for <br /> tags and table rows
[/<\/t[dh]>\s*<t[dh][^>]*>/gi, "\t"], // Table cells get tabs betweem them
/<[a-z!\/?][^>]*>/gi, // Delete all remaining tags
[/&nbsp;/gi, " "], // Convert non-break spaces to regular spaces (remember, *plain text*)
[/(?:(?!\n)\s)*(\n+)(?:(?!\n)\s)*/gi, "$1"], // Cool little RegExp deletes whitespace around linebreak chars.
[/\n{3,}/g, "\n\n"], // Max. 2 consecutive linebreaks
/^\s+|\s+$/g // Trim the front & back
]);
h = dom.decode(tinymce.html.Entities.encodeRaw(h));
// Delete any highlighted text before pasting
if (!sel.isCollapsed()) {
d.execCommand("Delete", false, null);
}
// Perform default or custom replacements
if (is(rl, "array") || (is(rl, "array"))) {
process(rl);
}
else if (is(rl, "string")) {
process(new RegExp(rl, "gi"));
}
// Treat paragraphs as specified in the config
if (linebr == "none") {
process([
[/\n+/g, " "]
]);
}
else if (linebr == "br") {
process([
[/\n/g, "<br />"]
]);
}
else {
process([
/^\s+|\s+$/g,
[/\n\n/g, "</p><p>"],
[/\n/g, "<br />"]
]);
}
// This next piece of code handles the situation where we're pasting more than one paragraph of plain
// text, and we are pasting the content into the middle of a block node in the editor. The block
// node gets split at the selection point into "Para A" and "Para B" (for the purposes of explaining).
// The first paragraph of the pasted text is appended to "Para A", and the last paragraph of the
// pasted text is prepended to "Para B". Any other paragraphs of pasted text are placed between
// "Para A" and "Para B". This code solves a host of problems with the original plain text plugin and
// now handles styles correctly. (Pasting plain text into a styled paragraph is supposed to make the
// plain text take the same style as the existing paragraph.)
if ((pos = h.indexOf("</p><p>")) != -1) {
rpos = h.lastIndexOf("</p><p>");
node = sel.getNode();
breakElms = []; // Get list of elements to break
do {
if (node.nodeType == 1) {
// Don't break tables and break at body
if (node.nodeName == "TD" || node.nodeName == "BODY") {
break;
}
breakElms[breakElms.length] = node;
}
} while (node = node.parentNode);
// Are we in the middle of a block node?
if (breakElms.length > 0) {
before = h.substring(0, pos);
after = "";
for (i=0, len=breakElms.length; i<len; i++) {
before += "</" + breakElms[i].nodeName.toLowerCase() + ">";
after += "<" + breakElms[breakElms.length-i-1].nodeName.toLowerCase() + ">";
}
if (pos == rpos) {
h = before + after + h.substring(pos+7);
}
else {
h = before + h.substring(pos+4, rpos+4) + after + h.substring(rpos+7);
}
}
}
// Insert content at the caret, plus add a marker for repositioning the caret
ed.execCommand("mceInsertRawHTML", false, h + '<span id="_plain_text_marker">&nbsp;</span>');
// Reposition the caret to the marker, which was placed immediately after the inserted content.
// Needs to be done asynchronously (in window.setTimeout) or else it doesn't work in all browsers.
// The second part of the code scrolls the content up if the caret is positioned off-screen.
// This is only necessary for WebKit browsers, but it doesn't hurt to use for all.
window.setTimeout(function() {
var marker = dom.get('_plain_text_marker'),
elm, vp, y, elmHeight;
sel.select(marker, false);
d.execCommand("Delete", false, null);
marker = null;
// Get element, position and height
elm = sel.getStart();
vp = dom.getViewPort(w);
y = dom.getPos(elm).y;
elmHeight = elm.clientHeight;
// Is element within viewport if not then scroll it into view
if ((y < vp.y) || (y + elmHeight > vp.y + vp.h)) {
d.body.scrollTop = y < vp.y ? y : y - vp.h + 25;
}
}, 0);
}
},
/**
* This method will open the old style paste dialogs. Some users might want the old behavior but still use the new cleanup engine.
*/
_legacySupport : function() {
var t = this, ed = t.editor;
// Register command(s) for backwards compatibility
ed.addCommand("mcePasteWord", function() {
ed.windowManager.open({
file: t.url + "/pasteword.htm",
width: parseInt(getParam(ed, "paste_dialog_width")),
height: parseInt(getParam(ed, "paste_dialog_height")),
inline: 1
});
});
if (getParam(ed, "paste_text_use_dialog")) {
ed.addCommand("mcePasteText", function() {
ed.windowManager.open({
file : t.url + "/pastetext.htm",
width: parseInt(getParam(ed, "paste_dialog_width")),
height: parseInt(getParam(ed, "paste_dialog_height")),
inline : 1
});
});
}
// Register button for backwards compatibility
ed.addButton("pasteword", {title : "paste.paste_word_desc", cmd : "mcePasteWord"});
}
});
// Register plugin
tinymce.PluginManager.add("paste", tinymce.plugins.PastePlugin);
})();