org.wicketstuff.jquery.codepress.engines.gecko.js Maven / Gradle / Ivy

Go to download
/*
 * CodePress - Real Time Syntax Highlighting Editor written in JavaScript - http://codepress.org/
 * 
 * Copyright (C) 2007 Fernando M.A.d.S. 
 *
 * Developers:
 *		Fernando M.A.d.S. 
 *		Michael Hurni 
 * 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;
		body = document.getElementsByTagName('body')[0];
		body.innerHTML = body.innerHTML.replace(/\n/g,"");
		chars = '|32|46|62|8|'; // charcodes that trigger syntax highlighting
		cc = '\u2009'; // carret char
		editor = document.getElementsByTagName('pre')[0];
		document.designMode = 'on';
		document.addEventListener('keypress', this.keyHandler, true);
		window.addEventListener('scroll', function() { if(!CodePress.scrolling) CodePress.syntaxHighlight('scroll') }, false);
		completeChars = this.getCompleteChars();
		completeEndingChars =  this.getCompleteEndingChars();
	},

// treat key bindings 
 
keyHandler : function(evt) { 
 
keyCode = evt.keyCode; 
 
charCode = evt.charCode; 
 
fromChar = String.fromCharCode(charCode); 
 
if(! (evt.ctrlKey || evt.metaKey || evt.shiftKey) && keyCode == 9) { 
if(evt.preventDefault) evt.preventDefault(); // Gecko and Others  
evt.returnValue = false; // IE  
var code = ''; 
code = window.getSelection().getRangeAt(0).toString(); 
CodePress.insertCode('\t'+code); 
CodePress.snippets(evt);  
}  
 
 
else if((evt.ctrlKey || evt.metaKey) && evt.shiftKey && charCode!=90) { // shortcuts = ctrl||appleKey+shift+key!=z(undo)  
 
CodePress.shortcuts(charCode?charCode:keyCode); 
 
} 
 
else 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||keyCode==13) { // syntax highlighting 
 
top.setTimeout(function(){CodePress.syntaxHighlight('generic');},100); 
 
} 
 
else if(keyCode==9 || evt.tabKey) { // snippets activation (tab) 
 
CodePress.snippets(evt); 
evt.preventDefault(); 
 
} 
 
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(charCode==118 && evt.ctrlKey) { // handle paste 
 
top.setTimeout(function(){CodePress.syntaxHighlight('generic');},100); 
 
} 
 
else if(charCode==99 && evt.ctrlKey) { // handle cut 
 
//alert(window.getSelection().getRangeAt(0).toString().replace(/\t/g,'FFF')); 
 
} 
 
 
 
}, 

	// put cursor back to its original position after every parsing
	findString : function() {
		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(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;
		}
	},
	
	getEditor : function() {
		if(!document.getElementsByTagName('pre')[0]) {
			body = document.getElementsByTagName('body')[0];
			if(!body.innerHTML) return body;
			if(body.innerHTML=="
") body.innerHTML = " ";
			else body.innerHTML = ""+body.innerHTML+"";
		}
		return document.getElementsByTagName('pre')[0];
	},
	
	// syntax highlighting parser
	syntaxHighlight : function(flag) {
		//if(document.designMode=='off') document.designMode='on'
		if(flag != 'init') { window.getSelection().getRangeAt(0).insertNode(document.createTextNode(cc));}
		editor = CodePress.getEditor();
		o = editor.innerHTML;
		o = o.replace(/
/g,'\n');
		o = o.replace(/<.*?>/g,'');
		x = z = this.split(o,flag);
		x = x.replace(/\n/g,'
');

		if(arguments[1]&&arguments[2]) x = x.replace(arguments[1],arguments[2]);
	
		for(i=0;i/g,'>');
				if(content.indexOf('$0')<0) content += cc;
				else content = content.replace(/\$0/,cc);
				content = content.replace(/\n/g,'
');
				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/g,'\n');
		code = code.replace(/\u2009/g,'');
		code = code.replace(/<.*?>/g,'');
		code = code.replace(/</g,'<');
		code = code.replace(/>/g,'>');
		code = code.replace(/&/gi,'&');
		return code;
	},

	// put code inside editor
	setCode : function() {
		var code = arguments[0];
		code = code.replace(/\u2009/gi,'');
		code = code.replace(/&/gi,'&');
		code = code.replace(//g,'>');
		editor.innerHTML = code;
		if (code == '')
			document.getElementsByTagName('body')[0].innerHTML = '';
	},

	// undo and redo methods
	actions : {
		pos : -1, // actual history position
		history : [], // history vector
		
		undo : function() {
			editor = CodePress.getEditor();
			if(editor.innerHTML.indexOf(cc)==-1){
				if(editor.innerHTML != " ")
					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];
			if(editor.innerHTML.indexOf(cc)>-1) editor.innerHTML+=cc;
			CodePress.findString();
		},
		
		redo : function() {
			// editor = CodePress.getEditor();
			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);