web/wp-includes/js/codepress/engines/opera.js
changeset 136 bde1974c263b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-includes/js/codepress/engines/opera.js	Wed Feb 03 15:37:20 2010 +0000
@@ -0,0 +1,260 @@
+/*
+ * CodePress - Real Time Syntax Highlighting Editor written in JavaScript - http://codepress.org/
+ * 
+ * Copyright (C) 2007 Fernando M.A.d.S. <fermads@gmail.com>
+ *
+ * Contributors :
+ *
+ * 	Michael Hurni <michael.hurni@gmail.com>
+ *
+ * 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'; // control char
+		editor = document.getElementsByTagName('body')[0];
+		document.designMode = 'on';
+		document.addEventListener('keyup', this.keyHandler, true);
+		window.addEventListener('scroll', function() { if(!CodePress.scrolling) CodePress.syntaxHighlight('scroll') }, false);
+		completeChars = this.getCompleteChars();
+//		CodePress.syntaxHighlight('init');
+	},
+
+	// treat key bindings
+	keyHandler : function(evt) {
+    	keyCode = evt.keyCode;	
+		charCode = evt.charCode;
+
+		if((evt.ctrlKey || evt.metaKey) && evt.shiftKey && charCode!=90)  { // shortcuts = ctrl||appleKey+shift+key!=z(undo) 
+			CodePress.shortcuts(charCode?charCode:keyCode);
+		}
+		else if(completeChars.indexOf('|'+String.fromCharCode(charCode)+'|')!=-1 && CodePress.autocomplete) { // auto complete
+			CodePress.complete(String.fromCharCode(charCode));
+		}
+	    else if(chars.indexOf('|'+charCode+'|')!=-1||keyCode==13) { // syntax highlighting
+		 	CodePress.syntaxHighlight('generic');
+		}
+		else if(keyCode==9 || evt.tabKey) {  // snippets activation (tab)
+			CodePress.snippets(evt);
+		}
+		else if(keyCode==46||keyCode==8) { // save to history when delete or backspace pressed
+		 	CodePress.actions.history[CodePress.actions.next()] = editor.innerHTML;
+		}
+		else if((charCode==122||charCode==121||charCode==90) && evt.ctrlKey) { // undo and redo
+			(charCode==121||evt.shiftKey) ? CodePress.actions.redo() :  CodePress.actions.undo(); 
+			evt.preventDefault();
+		}
+		else if(keyCode==86 && evt.ctrlKey)  { // paste
+			// TODO: pasted text should be parsed and highlighted
+		}
+	},
+
+	// put cursor back to its original position after every parsing
+	findString : function() {
+		var sel = window.getSelection();
+		var range = window.document.createRange();
+		var span = window.document.getElementsByTagName('span')[0];
+			
+		range.selectNode(span);
+		sel.removeAllRanges();
+		sel.addRange(range);
+		span.parentNode.removeChild(span);
+		//if(self.find(cc))
+		//window.getSelection().getRangeAt(0).deleteContents();
+	},
+	
+	// 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('<SPAN>');
+			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;
+		}
+	},
+	
+	// syntax highlighting parser
+	syntaxHighlight : function(flag) {
+		//if(document.designMode=='off') document.designMode='on'
+		if(flag!='init') {
+			var span = document.createElement('span');
+			window.getSelection().getRangeAt(0).insertNode(span);
+		}
+
+		o = editor.innerHTML;
+//		o = o.replace(/<br>/g,'\r\n');
+//		o = o.replace(/<(b|i|s|u|a|em|tt|ins|big|cite|strong)?>/g,'');
+		//alert(o)
+		o = o.replace(/<(?!span|\/span|br).*?>/gi,'');
+//		alert(o)
+//		x = o;
+		x = z = this.split(o,flag);
+		//alert(z)
+//		x = x.replace(/\r\n/g,'<br>');
+		x = x.replace(/\t/g, '        ');
+
+
+		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.split(z).join(x); 
+
+		if(flag!='init') this.findString();
+	},
+	
+	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();
+	}, 
+	
+	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,'<br>');
+				var pattern = new RegExp(trigger+cc,'gi');
+				evt.preventDefault(); // prevent the tab key from being added
+				this.syntaxHighlight('snippets',pattern,content);
+			}
+		}
+	},
+	
+	readOnly : function() {
+		document.designMode = (arguments[0]) ? 'off' : 'on';
+	},
+
+	complete : function(trigger) {
+		window.getSelection().getRangeAt(0).deleteContents();
+		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);
+				parent.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+'|';
+	},
+
+	shortcuts : function() {
+		var cCode = arguments[0];
+		if(cCode==13) cCode = '[enter]';
+		else if(cCode==32) cCode = '[space]';
+		else cCode = '['+String.fromCharCode(charCode).toLowerCase()+']';
+		for(var i=0;i<Language.shortcuts.length;i++)
+			if(Language.shortcuts[i].input == cCode)
+				this.insertCode(Language.shortcuts[i].output,false);
+	},
+	
+	getRangeAndCaret : function() {	
+		var range = window.getSelection().getRangeAt(0);
+		var range2 = range.cloneRange();
+		var node = range.endContainer;			
+		var caret = range.endOffset;
+		range2.selectNode(node);	
+		return [range2.toString(),caret];
+	},
+	
+	insertCode : function(code,replaceCursorBefore) {
+		var range = window.getSelection().getRangeAt(0);
+		var node = window.document.createTextNode(code);
+		var selct = window.getSelection();
+		var range2 = range.cloneRange();
+		// Insert text at cursor position
+		selct.removeAllRanges();
+		range.deleteContents();
+		range.insertNode(node);
+		// Move the cursor to the end of text
+		range2.selectNode(node);		
+		range2.collapse(replaceCursorBefore);
+		selct.removeAllRanges();
+		selct.addRange(range2);
+	},
+	
+	// get code from editor
+	getCode : function() {
+		var code = editor.innerHTML;
+		code = code.replace(/<br>/g,'\n');
+		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 = code;
+	},
+
+	// undo and redo methods
+	actions : {
+		pos : -1, // actual history position
+		history : [], // history vector
+		
+		undo : function() {
+			if(editor.innerHTML.indexOf(cc)==-1){
+				window.getSelection().getRangeAt(0).insertNode(document.createTextNode(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.addEventListener('load', function() { CodePress.initialize('new'); }, true);