/**
 * $Id: editor_plugin_src.js 3831 2007-12-11 23:14:32Z brian $
 *
 * @author Moxiecode
 * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
 */

/* Import plugin specific language pack */ 
tinyMCE.importPluginLanguagePack('paste');

var TinyMCE_PastePlugin = {
	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
		};
	},

	initInstance : function(inst) {
		if (tinyMCE.isMSIE && tinyMCE.getParam("paste_auto_cleanup_on_paste", false))
			tinyMCE.addEvent(inst.getBody(), "paste", TinyMCE_PastePlugin._handlePasteEvent);
	},

	handleEvent : function(e) {
		// Force paste dialog if non IE browser
		if (!tinyMCE.isRealIE && tinyMCE.getParam("paste_auto_cleanup_on_paste", false) && e.ctrlKey && e.keyCode == 86 && e.type == "keydown") {
			window.setTimeout('tinyMCE.selectedInstance.execCommand("mcePasteText",true)', 1);
			return tinyMCE.cancelEvent(e);
		}

		return true;
	},

	getControlHTML : function(cn) { 
		switch (cn) { 
			case "pastetext":
				return tinyMCE.getButtonHTML(cn, 'lang_paste_text_desc', '{$pluginurl}/images/pastetext.gif', 'mcePasteText', true);

			case "pasteword":
				return tinyMCE.getButtonHTML(cn, 'lang_paste_word_desc', '{$pluginurl}/images/pasteword.gif', 'mcePasteWord', true);

			case "selectall":
				return tinyMCE.getButtonHTML(cn, 'lang_selectall_desc', '{$pluginurl}/images/selectall.gif', 'mceSelectAll', true);
		} 

		return ''; 
	},

	execCommand : function(editor_id, element, command, user_interface, value) { 
		switch (command) { 
			case "mcePasteText": 
				if (user_interface) {
					if ((tinyMCE.isMSIE && !tinyMCE.isOpera) && !tinyMCE.getParam('paste_use_dialog', false))
						TinyMCE_PastePlugin._insertText(clipboardData.getData("Text"), true); 
					else { 
						var template = new Array(); 
						template['file']	= '../../plugins/paste/pastetext.htm'; // Relative to theme 
						template['width']  = 450; 
						template['height'] = 400; 
						var plain_text = ""; 
						tinyMCE.openWindow(template, {editor_id : editor_id, plain_text: plain_text, resizable : "yes", scrollbars : "no", inline : "yes", mceDo : 'insert'}); 
					}
				} else
					TinyMCE_PastePlugin._insertText(value['html'], value['linebreaks']);

				return true;

			case "mcePasteWord": 
				if (user_interface) {
					if ((tinyMCE.isMSIE && !tinyMCE.isOpera) && !tinyMCE.getParam('paste_use_dialog', false)) {
						TinyMCE_PastePlugin._insertWordContent(TinyMCE_PastePlugin._clipboardHTML());
					} else { 
						var template = new Array(); 
						template['file']	= '../../plugins/paste/pasteword.htm'; // Relative to theme 
						template['width']  = 450; 
						template['height'] = 400; 
						var plain_text = ""; 
						tinyMCE.openWindow(template, {editor_id : editor_id, plain_text: plain_text, resizable : "yes", scrollbars : "no", inline : "yes", mceDo : 'insert'});
					}
				} else
					TinyMCE_PastePlugin._insertWordContent(value);

				return true;

			case "mceSelectAll":
				tinyMCE.execInstanceCommand(editor_id, 'selectall'); 
				return true; 

		} 

		// Pass to next handler in chain 
		return false; 
	},

	// Private plugin internal methods

	_handlePasteEvent : function(e) {
		switch (e.type) {
			case "paste":
				var html = TinyMCE_PastePlugin._clipboardHTML();
				var r, inst = tinyMCE.selectedInstance;

				// Removes italic, strong etc, the if was needed due to bug #1437114
				if (inst && (r = inst.getRng()) && r.text.length > 0)
					tinyMCE.execCommand('delete');

				if (html && html.length > 0)
					tinyMCE.execCommand('mcePasteWord', false, html);

				tinyMCE.cancelEvent(e);
				return false;
		}

		return true;
	},

	_insertText : function(content, bLinebreaks) { 
		if (content && content.length > 0) {
			if (bLinebreaks) { 
				// Special paragraph treatment 
				if (tinyMCE.getParam("paste_create_paragraphs", true)) {
					var rl = tinyMCE.getParam("paste_replace_list", '\u2122,<sup>TM</sup>,\u2026,...,\u201c|\u201d,",\u2019,\',\u2013|\u2014|\u2015|\u2212,-').split(',');
					for (var i=0; i<rl.length; i+=2)
						content = content.replace(new RegExp(rl[i], 'gi'), rl[i+1]);

					content = tinyMCE.regexpReplace(content, "\r\n\r\n", "</p><p>", "gi"); 
					content = tinyMCE.regexpReplace(content, "\r\r", "</p><p>", "gi"); 
					content = tinyMCE.regexpReplace(content, "\n\n", "</p><p>", "gi"); 

					// Has paragraphs 
					if ((pos = content.indexOf('</p><p>')) != -1) { 
						tinyMCE.execCommand("Delete"); 

						var node = tinyMCE.selectedInstance.getFocusElement(); 

						// Get list of elements to break 
						var breakElms = new Array(); 

						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); 

						var before = "", after = "</p>"; 
						before += content.substring(0, pos); 

						for (var i=0; i<breakElms.length; i++) { 
							before += "</" + breakElms[i].nodeName + ">"; 
							after += "<" + breakElms[(breakElms.length-1)-i].nodeName + ">"; 
						} 

						before += "<p>"; 
						content = before + content.substring(pos+7) + after; 
					} 
				} 

				if (tinyMCE.getParam("paste_create_linebreaks", true)) {
					content = tinyMCE.regexpReplace(content, "\r\n", "<br />", "gi"); 
					content = tinyMCE.regexpReplace(content, "\r", "<br />", "gi"); 
					content = tinyMCE.regexpReplace(content, "\n", "<br />", "gi"); 
				}
			} 
		
			tinyMCE.execCommand("mceInsertRawHTML", false, content); 
		}
	},

	_insertWordContent : function(content) { 
		if (content && content.length > 0) {
			// Cleanup Word content
			var bull = String.fromCharCode(8226);
			var middot = String.fromCharCode(183);
			var cb;

			if ((cb = tinyMCE.getParam("paste_insert_word_content_callback", "")) != "")
				content = eval(cb + "('before', content)");

			var rl = tinyMCE.getParam("paste_replace_list", '\u2122,<sup>TM</sup>,\u2026,...,\u201c|\u201d,",\u2019,\',\u2013|\u2014|\u2015|\u2212,-').split(',');
			for (var i=0; i<rl.length; i+=2)
				content = content.replace(new RegExp(rl[i], 'gi'), rl[i+1]);

			if (tinyMCE.getParam("paste_convert_headers_to_strong", false)) {
				content = content.replace(new RegExp('<p class=MsoHeading.*?>(.*?)<\/p>', 'gi'), '<p><b>$1</b></p>');
			}

			content = content.replace(new RegExp('tab-stops: list [0-9]+.0pt">', 'gi'), '">' + "--list--");
			content = content.replace(new RegExp(bull + "(.*?)<BR>", "gi"), "<p>" + middot + "$1</p>");
			content = content.replace(new RegExp('<SPAN style="mso-list: Ignore">', 'gi'), "<span>" + bull); // Covert to bull list
			content = content.replace(/<o:p><\/o:p>/gi, "");
			content = content.replace(new RegExp('<br style="page-break-before: always;.*>', 'gi'), '-- page break --'); // Replace pagebreaks
			content = content.replace(new RegExp('<(!--)([^>]*)(--)>', 'g'), "");  // Word comments

			if (tinyMCE.getParam("paste_remove_spans", true))
				content = content.replace(/<\/?span[^>]*>/gi, "");

			if (tinyMCE.getParam("paste_remove_styles", true))
				content = content.replace(new RegExp('<(\\w[^>]*) style="([^"]*)"([^>]*)', 'gi'), "<$1$3");

			content = content.replace(/<\/?font[^>]*>/gi, "");

			// Strips class attributes.
			switch (tinyMCE.getParam("paste_strip_class_attributes", "all")) {
				case "all":
					content = content.replace(/<(\w[^>]*) class=([^ |>]*)([^>]*)/gi, "<$1$3");
					break;

				case "mso":
					content = content.replace(new RegExp('<(\\w[^>]*) class="?mso([^ |>]*)([^>]*)', 'gi'), "<$1$3");
					break;
			}

			content = content.replace(new RegExp('href="?' + TinyMCE_PastePlugin._reEscape("" + document.location) + '', 'gi'), 'href="' + tinyMCE.settings['document_base_url']);
			content = content.replace(/<(\w[^>]*) lang=([^ |>]*)([^>]*)/gi, "<$1$3");
			content = content.replace(/<\\?\?xml[^>]*>/gi, "");
			content = content.replace(/<\/?\w+:[^>]*>/gi, "");
			content = content.replace(/-- page break --\s*<p>&nbsp;<\/p>/gi, ""); // Remove pagebreaks
			content = content.replace(/-- page break --/gi, ""); // Remove pagebreaks

	//		content = content.replace(/\/?&nbsp;*/gi, ""); &nbsp;
	//		content = content.replace(/<p>&nbsp;<\/p>/gi, '');

			if (!tinyMCE.settings['force_p_newlines']) {
				content = content.replace('', '' ,'gi');
				content = content.replace('</p>', '<br /><br />' ,'gi');
			}

			if (!tinyMCE.isMSIE && !tinyMCE.settings['force_p_newlines']) {
				content = content.replace(/<\/?p[^>]*>/gi, "");
			}

			content = content.replace(/<\/?div[^>]*>/gi, "");

			// Convert all middlot lists to UL lists
			if (tinyMCE.getParam("paste_convert_middot_lists", true)) {
				var div = document.createElement("div");
				div.innerHTML = content;

				// Convert all middot paragraphs to li elements
				var className = tinyMCE.getParam("paste_unindented_list_class", "unIndentedList");

				while (TinyMCE_PastePlugin._convertMiddots(div, "--list--")) ; // bull
				while (TinyMCE_PastePlugin._convertMiddots(div, middot, className)) ; // Middot
				while (TinyMCE_PastePlugin._convertMiddots(div, bull)) ; // bull

				content = div.innerHTML;
			}

			// Replace all headers with strong and fix some other issues
			if (tinyMCE.getParam("paste_convert_headers_to_strong", false)) {
				content = content.replace(/<h[1-6]>&nbsp;<\/h[1-6]>/gi, '<p>&nbsp;&nbsp;</p>');
				content = content.replace(/<h[1-6]>/gi, '<p><b>');
				content = content.replace(/<\/h[1-6]>/gi, '</b></p>');
				content = content.replace(/<b>&nbsp;<\/b>/gi, '<b>&nbsp;&nbsp;</b>');
				content = content.replace(/^(&nbsp;)*/gi, '');
			}

			content = content.replace(/--list--/gi, ""); // Remove --list--

			if ((cb = tinyMCE.getParam("paste_insert_word_content_callback", "")) != "")
				content = eval(cb + "('after', content)");

			// Insert cleaned content
			tinyMCE.execCommand("mceInsertContent", false, content);

			if (tinyMCE.getParam('paste_force_cleanup_wordpaste', true))
				window.setTimeout('tinyMCE.execCommand("mceCleanup");', 1); // Do normal cleanup detached from this thread
		}
	},

	_reEscape : function(s) {
		var l = "?.\\*[](){}+^$:";
		var o = "";

		for (var i=0; i<s.length; i++) {
			var c = s.charAt(i);

			if (l.indexOf(c) != -1)
				o += '\\' + c;
			else
				o += c;
		}

		return o;
	},

	_convertMiddots : function(div, search, class_name) {
		var mdot = String.fromCharCode(183);
		var bull = String.fromCharCode(8226);

		var nodes = div.getElementsByTagName("p");
		var prevul;
		for (var i=0; i<nodes.length; i++) {
			var p = nodes[i];

			// Is middot
			if (p.innerHTML.indexOf(search) == 0) {
				var ul = document.createElement("ul");

				if (class_name)
					ul.className = class_name;

				// Add the first one
				var li = document.createElement("li");
				li.innerHTML = p.innerHTML.replace(new RegExp('' + mdot + '|' + bull + '|--list--|&nbsp;', "gi"), '');
				ul.appendChild(li);

				// Add the rest
				var np = p.nextSibling;
				while (np) {
			        // If the node is whitespace, then
			        // ignore it and continue on.
			        if (np.nodeType == 3 && new RegExp('^\\s$', 'm').test(np.nodeValue)) {
			                np = np.nextSibling;
			                continue;
			        }

					if (search == mdot) {
					        if (np.nodeType == 1 && new RegExp('^o(\\s+|&nbsp;)').test(np.innerHTML)) {
					                // Second level of nesting
					                if (!prevul) {
					                        prevul = ul;
					                        ul = document.createElement("ul");
					                        prevul.appendChild(ul);
					                }
					                np.innerHTML = np.innerHTML.replace(/^o/, '');
					        } else {
					                // Pop the stack if we're going back up to the first level
					                if (prevul) {
					                        ul = prevul;
					                        prevul = null;
					                }
					                // Not element or middot paragraph
					                if (np.nodeType != 1 || np.innerHTML.indexOf(search) != 0)
					                        break;
					        }
					} else {
					        // Not element or middot paragraph
					        if (np.nodeType != 1 || np.innerHTML.indexOf(search) != 0)
					                break;
				        }

					var cp = np.nextSibling;
					var li = document.createElement("li");
					li.innerHTML = np.innerHTML.replace(new RegExp('' + mdot + '|' + bull + '|--list--|&nbsp;', "gi"), '');
					np.parentNode.removeChild(np);
					ul.appendChild(li);
					np = cp;
				}

				p.parentNode.replaceChild(ul, p);

				return true;
			}
		}

		return false;
	},

	_clipboardHTML : function() {
		var div = document.getElementById('_TinyMCE_clipboardHTML');

		if (!div) {
			var div = document.createElement('DIV');
			div.id = '_TinyMCE_clipboardHTML';

			with (div.style) {
				visibility = 'hidden';
				overflow = 'hidden';
				position = 'absolute';
				width = 1;
				height = 1;
			}

			document.body.appendChild(div);
		}

		div.innerHTML = '';
		var rng = document.body.createTextRange();
		rng.moveToElementText(div);
		rng.execCommand('Paste');
		var html = div.innerHTML;
		div.innerHTML = '';
		return html;
	}
};

tinyMCE.addPlugin("paste", TinyMCE_PastePlugin);
