/gulliver/thirdparty/codepress/engines/gecko.js
JavaScript | 293 lines | 235 code | 29 blank | 29 comment | 76 complexity | 3c5025d71e52129b1171f2ca570331e3 MD5 | raw file
- /*
- * 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;
- 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 && 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);
- }
- 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=="<br>") body.innerHTML = "<pre> </pre>";
- else body.innerHTML = "<pre>"+body.innerHTML+"</pre>";
- }
- return body;//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(/<br>/g,'\n');
- o = o.replace(/<.*?>/g,'');
- x = z = this.split(o,flag);
- x = x.replace(/\n/g,'<br>');
-
- 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,'<');
- content = content.replace(/>/g,'>');
- 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+'|';
- },
-
- 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 = window.getSelection().getRangeAt(0);
- try {
- range.setEnd(range.endContainer, range.endOffset+1)
- }
- catch(e) {
- return false;
- }
- var next_character = range.toString()
- range.setEnd(range.endContainer, range.endOffset-1)
- if(next_character != trigger) return false;
- else {
- range.setEnd(range.endContainer, range.endOffset+1)
- range.deleteContents();
- return true;
- }
- },
-
- 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() {
- if(!document.getElementsByTagName('pre')[0] || editor.innerHTML == '')
- editor = CodePress.getEditor();
- var code = editor.innerHTML;
- code = code.replace(/<br>/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,'<');
- 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);