X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/11be8dc178e77d0b46189bbd8e33a216a9b90942..d3b1ea255664edd2deef17f900a655613d20820d:/wp-includes/js/codepress/engines/msie.js

diff --git a/wp-includes/js/codepress/engines/msie.js b/wp-includes/js/codepress/engines/msie.js
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+/*
+ * CodePress - Real Time Syntax Highlighting Editor written in JavaScript - http://codepress.org/
+ * 
+ * Copyright (C) 2007 Fernando M.A.d.S. <fermads@gmail.com>
+ *
+ * Developers:
+ *		Fernando M.A.d.S. <fermads@gmail.com>
+ *		Michael Hurni <michael.hurni@gmail.com>
+ * Contributors: 	
+ *		Martin D. Kirk
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the 
+ * GNU Lesser General Public License as published by the Free Software Foundation.
+ * 
+ * Read the full licence: http://www.opensource.org/licenses/lgpl-license.php
+ */
+
+CodePress = {
+	scrolling : false,
+	autocomplete : true,
+	
+	// set initial vars and start sh
+	initialize : function() {
+		if(typeof(editor)=='undefined' && !arguments[0]) return;
+		chars = '|32|46|62|'; // charcodes that trigger syntax highlighting
+		cc = '\u2009'; // carret char
+		editor = document.getElementsByTagName('pre')[0];
+		editor.contentEditable = 'true';
+		document.getElementsByTagName('body')[0].onfocus = function() {editor.focus();}
+		document.attachEvent('onkeydown', this.metaHandler);
+		document.attachEvent('onkeypress', this.keyHandler);
+		window.attachEvent('onscroll', function() { if(!CodePress.scrolling) setTimeout(function(){CodePress.syntaxHighlight('scroll')},1)});
+		completeChars = this.getCompleteChars();
+		completeEndingChars =  this.getCompleteEndingChars();
+		setTimeout(function() { window.scroll(0,0) },50); // scroll IE to top
+	},
+	
+	// treat key bindings
+	keyHandler : function(evt) {
+		charCode = evt.keyCode;
+		fromChar = String.fromCharCode(charCode);
+		
+		if( (completeEndingChars.indexOf('|'+fromChar+'|')!= -1 || completeChars.indexOf('|'+fromChar+'|')!=-1  )&& CodePress.autocomplete) { // auto complete
+			if(!CodePress.completeEnding(fromChar))
+			     CodePress.complete(fromChar);
+		}
+	    else if(chars.indexOf('|'+charCode+'|')!=-1||charCode==13) { // syntax highlighting
+		 	CodePress.syntaxHighlight('generic');
+		}
+	},
+
+	metaHandler : function(evt) {
+		keyCode = evt.keyCode;
+		
+		if(keyCode==9 || evt.tabKey) { 
+			CodePress.snippets();
+		}
+		else if((keyCode==122||keyCode==121||keyCode==90) && evt.ctrlKey) { // undo and redo
+			(keyCode==121||evt.shiftKey) ? CodePress.actions.redo() :  CodePress.actions.undo(); 
+			evt.returnValue = false;
+		}
+		else if(keyCode==34||keyCode==33) { // handle page up/down for IE
+			self.scrollBy(0, (keyCode==34) ? 200 : -200); 
+			evt.returnValue = false;
+		}
+		else if(keyCode==46||keyCode==8) { // save to history when delete or backspace pressed
+		 	CodePress.actions.history[CodePress.actions.next()] = editor.innerHTML;
+		}
+		else if((evt.ctrlKey || evt.metaKey) && evt.shiftKey && keyCode!=90)  { // shortcuts = ctrl||appleKey+shift+key!=z(undo) 
+			CodePress.shortcuts(keyCode);
+			evt.returnValue = false;
+		}
+		else if(keyCode==86 && evt.ctrlKey)  { // handle paste
+			window.clipboardData.setData('Text',window.clipboardData.getData('Text').replace(/\t/g,'\u2008'));
+		 	top.setTimeout(function(){CodePress.syntaxHighlight('paste');},10);
+		}
+		else if(keyCode==67 && evt.ctrlKey)  { // handle cut
+			// window.clipboardData.setData('Text',x[0]);
+			// code = window.clipboardData.getData('Text');
+		}
+	},
+
+	// put cursor back to its original position after every parsing
+	
+	
+	findString : function() {
+		range = self.document.body.createTextRange();
+		if(range.findText(cc)){
+			range.select();
+			range.text = '';
+		}
+	},
+	
+	// split big files, highlighting parts of it
+	split : function(code,flag) {
+		if(flag=='scroll') {
+			this.scrolling = true;
+			return code;
+		}
+		else {
+			this.scrolling = false;
+			mid = code.indexOf(cc);
+			if(mid-2000<0) {ini=0;end=4000;}
+			else if(mid+2000>code.length) {ini=code.length-4000;end=code.length;}
+			else {ini=mid-2000;end=mid+2000;}
+			code = code.substring(ini,end);
+			return code.substring(code.indexOf('<P>'),code.lastIndexOf('</P>')+4);
+		}
+	},
+	
+	// syntax highlighting parser
+	syntaxHighlight : function(flag) {
+		if(flag!='init') document.selection.createRange().text = cc;
+		o = editor.innerHTML;
+		if(flag=='paste') { // fix pasted text
+			o = o.replace(/<BR>/g,'\r\n'); 
+			o = o.replace(/\u2008/g,'\t');
+		}
+		o = o.replace(/<P>/g,'\n');
+		o = o.replace(/<\/P>/g,'\r');
+		o = o.replace(/<.*?>/g,'');
+		o = o.replace(/&nbsp;/g,'');			
+		o = '<PRE><P>'+o+'</P></PRE>';
+		o = o.replace(/\n\r/g,'<P></P>');
+		o = o.replace(/\n/g,'<P>');
+		o = o.replace(/\r/g,'<\/P>');
+		o = o.replace(/<P>(<P>)+/,'<P>');
+		o = o.replace(/<\/P>(<\/P>)+/,'</P>');
+		o = o.replace(/<P><\/P>/g,'<P><BR/></P>');
+		x = z = this.split(o,flag);
+
+		if(arguments[1]&&arguments[2]) x = x.replace(arguments[1],arguments[2]);
+	
+		for(i=0;i<Language.syntax.length;i++) 
+			x = x.replace(Language.syntax[i].input,Language.syntax[i].output);
+			
+		editor.innerHTML = this.actions.history[this.actions.next()] = (flag=='scroll') ? x : o.replace(z,x);
+		if(flag!='init') this.findString();
+	},
+
+	snippets : function(evt) {
+		var snippets = Language.snippets;
+		var trigger = this.getLastWord();
+		for (var i=0; i<snippets.length; i++) {
+			if(snippets[i].input == trigger) {
+				var content = snippets[i].output.replace(/</g,'&lt;');
+				content = content.replace(/>/g,'&gt;');
+				if(content.indexOf('$0')<0) content += cc;
+				else content = content.replace(/\$0/,cc);
+				content = content.replace(/\n/g,'</P><P>');
+				var pattern = new RegExp(trigger+cc,"gi");
+				this.syntaxHighlight('snippets',pattern,content);
+			}
+		}
+	},
+	
+	readOnly : function() {
+		editor.contentEditable = (arguments[0]) ? 'false' : 'true';
+	},
+	
+	complete : function(trigger) {
+		var complete = Language.complete;
+		for (var i=0; i<complete.length; i++) {
+			if(complete[i].input == trigger) {
+				var pattern = new RegExp('\\'+trigger+cc);
+				var content = complete[i].output.replace(/\$0/g,cc);
+				setTimeout(function () { CodePress.syntaxHighlight('complete',pattern,content)},0); // wait for char to appear on screen
+			}
+		}
+	},
+	
+	getCompleteChars : function() {
+		var cChars = '';
+		for(var i=0;i<Language.complete.length;i++)
+			cChars += '|'+Language.complete[i].input;
+		return cChars+'|';
+	},
+
+	getCompleteEndingChars : function() {
+		var cChars = '';
+		for(var i=0;i<Language.complete.length;i++)
+			cChars += '|'+Language.complete[i].output.charAt(Language.complete[i].output.length-1);
+		return cChars+'|';
+	},
+
+	completeEnding : function(trigger) {
+		var range = document.selection.createRange();
+		try {
+			range.moveEnd('character', 1)
+		}
+		catch(e) {
+			return false;
+		}
+		var next_character = range.text
+		range.moveEnd('character', -1)
+		if(next_character != trigger )  return false;
+		else {
+			range.moveEnd('character', 1)
+			range.text=''
+			return true;
+		}
+	},	
+
+	shortcuts : function() {
+		var cCode = arguments[0];
+		if(cCode==13) cCode = '[enter]';
+		else if(cCode==32) cCode = '[space]';
+		else cCode = '['+String.fromCharCode(keyCode).toLowerCase()+']';
+		for(var i=0;i<Language.shortcuts.length;i++)
+			if(Language.shortcuts[i].input == cCode)
+				this.insertCode(Language.shortcuts[i].output,false);
+	},
+	
+	getLastWord : function() {
+		var rangeAndCaret = CodePress.getRangeAndCaret();
+		words = rangeAndCaret[0].substring(rangeAndCaret[1]-40,rangeAndCaret[1]);
+		words = words.replace(/[\s\n\r\);\W]/g,'\n').split('\n');
+		return words[words.length-1].replace(/[\W]/gi,'').toLowerCase();
+	}, 
+
+	getRangeAndCaret : function() {	
+		var range = document.selection.createRange();
+		var caret = Math.abs(range.moveStart('character', -1000000)+1);
+		range = this.getCode();
+		range = range.replace(/\n\r/gi,'  ');
+		range = range.replace(/\n/gi,'');
+		return [range.toString(),caret];
+	},
+	
+	insertCode : function(code,replaceCursorBefore) {
+		var repdeb = '';
+		var repfin = '';
+		
+		if(replaceCursorBefore) { repfin = code; }
+		else { repdeb = code; }
+		
+		if(typeof document.selection != 'undefined') {
+			var range = document.selection.createRange();
+			range.text = repdeb + repfin;
+			range = document.selection.createRange();
+			range.move('character', -repfin.length);
+			range.select();	
+		}	
+	},
+
+	// get code from editor	
+	getCode : function() {
+		var code = editor.innerHTML;
+		code = code.replace(/<br>/g,'\n');
+		code = code.replace(/<\/p>/gi,'\r');
+		code = code.replace(/<p>/i,''); // IE first line fix
+		code = code.replace(/<p>/gi,'\n');
+		code = code.replace(/&nbsp;/gi,'');
+		code = code.replace(/\u2009/g,'');
+		code = code.replace(/<.*?>/g,'');
+		code = code.replace(/&lt;/g,'<');
+		code = code.replace(/&gt;/g,'>');
+		code = code.replace(/&amp;/gi,'&');
+		return code;
+	},
+
+	// put code inside editor
+	setCode : function() {
+		var code = arguments[0];
+		code = code.replace(/\u2009/gi,'');
+		code = code.replace(/&/gi,'&amp;');		
+       	code = code.replace(/</g,'&lt;');
+        code = code.replace(/>/g,'&gt;');
+		editor.innerHTML = '<pre>'+code+'</pre>';
+	},
+
+	
+	// undo and redo methods
+	actions : {
+		pos : -1, // actual history position
+		history : [], // history vector
+		
+		undo : function() {
+			if(editor.innerHTML.indexOf(cc)==-1){
+				document.selection.createRange().text = cc;
+			 	this.history[this.pos] = editor.innerHTML;
+			}
+			this.pos--;
+			if(typeof(this.history[this.pos])=='undefined') this.pos++;
+			editor.innerHTML = this.history[this.pos];
+			CodePress.findString();
+		},
+		
+		redo : function() {
+			this.pos++;
+			if(typeof(this.history[this.pos])=='undefined') this.pos--;
+			editor.innerHTML = this.history[this.pos];
+			CodePress.findString();
+		},
+		
+		next : function() { // get next vector position and clean old ones
+			if(this.pos>20) this.history[this.pos-21] = undefined;
+			return ++this.pos;
+		}
+	}
+}
+
+Language={};
+window.attachEvent('onload', function() { CodePress.initialize('new');});
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