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Viewing changes to protected/extensions/CodePress/codepress/engines/khtml.js

  • Committer: Matthias Burtscher
  • Date: 2010-02-12 09:12:35 UTC
  • Revision ID: matthias.burtscher@fusonic.net-20100212091235-jqxrb62klx872ajc
* Updated Yii to 1.1.0
* Removed CodePress and CodeMirror
* Updated jQuery and some plugins
* Cleaned some code ...

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protected/extensions/CodePress/codepress/engines/khtml.js
1
 
/*
2
 
 * CodePress - Real Time Syntax Highlighting Editor written in JavaScript - http://codepress.org/
3
 
 * 
4
 
 * Copyright (C) 2007 Fernando M.A.d.S. <fermads@gmail.com>
5
 
 *
6
 
 * Developers:
7
 
 *              Fernando M.A.d.S. <fermads@gmail.com>
8
 
 *              Michael Hurni <michael.hurni@gmail.com>
9
 
 * Contributors:        
10
 
 *              Martin D. Kirk
11
 
 *
12
 
 * This program is free software; you can redistribute it and/or modify it under the terms of the 
13
 
 * GNU Lesser General Public License as published by the Free Software Foundation.
14
 
 * 
15
 
 * Read the full licence: http://www.opensource.org/licenses/lgpl-license.php
16
 
 */
17
 
 
18
 
CodePress = {
19
 
        scrolling : false,
20
 
        autocomplete : true,
21
 
 
22
 
        // set initial vars and start sh
23
 
        initialize : function() {
24
 
                if(typeof(editor)=='undefined' && !arguments[0]) return;
25
 
                body = document.getElementsByTagName('body')[0];
26
 
                body.innerHTML = body.innerHTML.replace(/\n/g,"");
27
 
                chars = '|32|46|62|8|'; // charcodes that trigger syntax highlighting
28
 
                cc = '\u2009'; // carret char
29
 
                editor = document.getElementsByTagName('pre')[0];
30
 
                document.designMode = 'on';
31
 
                document.addEventListener('keypress', this.keyHandler, true);
32
 
                window.addEventListener('scroll', function() { if(!CodePress.scrolling) CodePress.syntaxHighlight('scroll') }, false);
33
 
                completeChars = this.getCompleteChars();
34
 
                completeEndingChars =  this.getCompleteEndingChars();
35
 
        },
36
 
 
37
 
        // treat key bindings
38
 
        keyHandler : function(evt) {
39
 
        keyCode = evt.keyCode; // 42
40
 
                charCode = evt.charCode; // 42
41
 
                fromChar = String.fromCharCode(charCode); // *
42
 
 
43
 
                if((evt.ctrlKey || evt.metaKey) && evt.shiftKey && charCode!=90)  { // shortcuts = ctrl||appleKey+shift+key!=z(undo)
44
 
                        CodePress.shortcuts(charCode?charCode:keyCode);
45
 
                }
46
 
                else if( (completeEndingChars.indexOf('|'+fromChar+'|')!= -1 || completeChars.indexOf('|'+fromChar+'|')!=-1) && CodePress.autocomplete) { // auto complete
47
 
                        if(!CodePress.completeEnding(fromChar))
48
 
                             CodePress.complete(fromChar);
49
 
                }
50
 
            else if(chars.indexOf('|'+charCode+'|')!=-1||keyCode==13) { // syntax highlighting
51
 
                        top.setTimeout(function(){CodePress.syntaxHighlight('generic');},100);
52
 
                }
53
 
                else if(keyCode==9 || evt.tabKey) {  // snippets activation (tab)
54
 
                        CodePress.snippets(evt);
55
 
                }
56
 
                else if(keyCode==46||keyCode==8) { // save to history when delete or backspace pressed
57
 
                        CodePress.actions.history[CodePress.actions.next()] = editor.innerHTML;
58
 
                }
59
 
                else if((charCode==122||charCode==121||charCode==90) && evt.ctrlKey) { // undo and redo
60
 
                        (charCode==121||evt.shiftKey) ? CodePress.actions.redo() :  CodePress.actions.undo(); 
61
 
                        evt.preventDefault();
62
 
                }
63
 
                else if(charCode==118 && evt.ctrlKey)  { // handle paste
64
 
                        top.setTimeout(function(){CodePress.syntaxHighlight('generic');},100);
65
 
                }
66
 
                else if(charCode==99 && evt.ctrlKey)  { // handle cut
67
 
                        //alert(window.getSelection().getRangeAt(0).toString().replace(/\t/g,'FFF'));
68
 
                }
69
 
 
70
 
        },
71
 
 
72
 
        // put cursor back to its original position after every parsing
73
 
        findString : function() {
74
 
                if(self.find(cc))
75
 
                        window.getSelection().getRangeAt(0).deleteContents();
76
 
        },
77
 
        
78
 
        // split big files, highlighting parts of it
79
 
        split : function(code,flag) {
80
 
                if(flag=='scroll') {
81
 
                        this.scrolling = true;
82
 
                        return code;
83
 
                }
84
 
                else {
85
 
                        this.scrolling = false;
86
 
                        mid = code.indexOf(cc);
87
 
                        if(mid-2000<0) {ini=0;end=4000;}
88
 
                        else if(mid+2000>code.length) {ini=code.length-4000;end=code.length;}
89
 
                        else {ini=mid-2000;end=mid+2000;}
90
 
                        code = code.substring(ini,end);
91
 
                        return code;
92
 
                }
93
 
        },
94
 
        
95
 
        getEditor : function() {
96
 
                if(!document.getElementsByTagName('pre')[0]) {
97
 
                        body = document.getElementsByTagName('body')[0];
98
 
                        if(!body.innerHTML) return body;
99
 
                        if(body.innerHTML=="<br>") body.innerHTML = "<pre> </pre>";
100
 
                        else body.innerHTML = "<pre>"+body.innerHTML+"</pre>";
101
 
                }
102
 
                return document.getElementsByTagName('pre')[0];
103
 
        },
104
 
        
105
 
        // syntax highlighting parser
106
 
        syntaxHighlight : function(flag) {
107
 
                //if(document.designMode=='off') document.designMode='on'
108
 
                if(flag != 'init') { window.getSelection().getRangeAt(0).insertNode(document.createTextNode(cc));}
109
 
                editor = CodePress.getEditor();
110
 
                o = editor.innerHTML;
111
 
                o = o.replace(/<br>/g,'\n');
112
 
                o = o.replace(/<.*?>/g,'');
113
 
                x = z = this.split(o,flag);
114
 
                x = x.replace(/\n/g,'<br>');
115
 
 
116
 
                if(arguments[1]&&arguments[2]) x = x.replace(arguments[1],arguments[2]);
117
 
        
118
 
                for(i=0;i<Language.syntax.length;i++) 
119
 
                        x = x.replace(Language.syntax[i].input,Language.syntax[i].output);
120
 
 
121
 
                editor.innerHTML = this.actions.history[this.actions.next()] = (flag=='scroll') ? x : o.split(z).join(x);
122
 
                if(flag!='init') this.findString();
123
 
        },
124
 
        
125
 
        getLastWord : function() {
126
 
                var rangeAndCaret = CodePress.getRangeAndCaret();
127
 
                words = rangeAndCaret[0].substring(rangeAndCaret[1]-40,rangeAndCaret[1]);
128
 
                words = words.replace(/[\s\n\r\);\W]/g,'\n').split('\n');
129
 
                return words[words.length-1].replace(/[\W]/gi,'').toLowerCase();
130
 
        },
131
 
        
132
 
        snippets : function(evt) {
133
 
                var snippets = Language.snippets;       
134
 
                var trigger = this.getLastWord();
135
 
                var range = window.getSelection().getRangeAt(0);
136
 
 
137
 
                // for the single line
138
 
                range.setEnd(range.startContainer, range.startOffset);
139
 
                
140
 
                var ele = document.createTextNode('\t');
141
 
                range.insertNode(ele);
142
 
                range.setStartAfter(ele);
143
 
                
144
 
                evt.preventDefault();
145
 
        },
146
 
        
147
 
        readOnly : function() {
148
 
                document.designMode = (arguments[0]) ? 'off' : 'on';
149
 
        },
150
 
 
151
 
        complete : function(trigger) {
152
 
                window.getSelection().getRangeAt(0).deleteContents();
153
 
                var complete = Language.complete;
154
 
                for (var i=0; i<complete.length; i++) {
155
 
                        if(complete[i].input == trigger) {
156
 
                                var pattern = new RegExp('\\'+trigger+cc);
157
 
                                var content = complete[i].output.replace(/\$0/g,cc);
158
 
                                parent.setTimeout(function () { CodePress.syntaxHighlight('complete',pattern,content)},0); // wait for char to appear on screen
159
 
                        }
160
 
                }
161
 
        },
162
 
 
163
 
        getCompleteChars : function() {
164
 
                var cChars = '';
165
 
                for(var i=0;i<Language.complete.length;i++)
166
 
                        cChars += '|'+Language.complete[i].input;
167
 
                return cChars+'|';
168
 
        },
169
 
        
170
 
        getCompleteEndingChars : function() {
171
 
                var cChars = '';
172
 
                for(var i=0;i<Language.complete.length;i++)
173
 
                        cChars += '|'+Language.complete[i].output.charAt(Language.complete[i].output.length-1);
174
 
                return cChars+'|';
175
 
        },
176
 
        
177
 
        completeEnding : function(trigger) {
178
 
                var range = window.getSelection().getRangeAt(0);
179
 
                try {
180
 
                        range.setEnd(range.endContainer, range.endOffset+1)
181
 
                }
182
 
                catch(e) {
183
 
                        return false;
184
 
                }
185
 
                var next_character = range.toString()
186
 
                range.setEnd(range.endContainer, range.endOffset-1)
187
 
                if(next_character != trigger) return false;
188
 
                else {
189
 
                        range.setEnd(range.endContainer, range.endOffset+1)
190
 
                        range.deleteContents();
191
 
                        return true;
192
 
                }
193
 
        },
194
 
        
195
 
        shortcuts : function() {
196
 
                var cCode = arguments[0];
197
 
                if(cCode==13) cCode = '[enter]';
198
 
                else if(cCode==32) cCode = '[space]';
199
 
                else cCode = '['+String.fromCharCode(charCode).toLowerCase()+']';
200
 
                for(var i=0;i<Language.shortcuts.length;i++)
201
 
                        if(Language.shortcuts[i].input == cCode)
202
 
                                this.insertCode(Language.shortcuts[i].output,false);
203
 
        },
204
 
        
205
 
        getRangeAndCaret : function() { 
206
 
                var range = window.getSelection().getRangeAt(0);
207
 
                var range2 = range.cloneRange();
208
 
                var node = range.endContainer;                  
209
 
                var caret = range.endOffset;
210
 
                range2.selectNode(node);        
211
 
                return [range2.toString(),caret];
212
 
        },
213
 
        
214
 
        insertCode : function(code,replaceCursorBefore) {
215
 
                var range = window.getSelection().getRangeAt(0);
216
 
                var node = window.document.createTextNode(code);
217
 
                var selct = window.getSelection();
218
 
                var range2 = range.cloneRange();
219
 
                // Insert text at cursor position
220
 
                selct.removeAllRanges();
221
 
                range.deleteContents();
222
 
                range.insertNode(node);
223
 
                // Move the cursor to the end of text
224
 
                range2.selectNode(node);                
225
 
                range2.collapse(replaceCursorBefore);
226
 
                selct.removeAllRanges();
227
 
                selct.addRange(range2);
228
 
        },
229
 
        
230
 
        // get code from editor
231
 
        getCode : function() {
232
 
                if(!document.getElementsByTagName('pre')[0] || editor.innerHTML == '')
233
 
                        editor = CodePress.getEditor();
234
 
                var code = editor.innerHTML;
235
 
                code = code.replace(/<br>/g,'\n');
236
 
                code = code.replace(/\u2009/g,'');
237
 
                code = code.replace(/<.*?>/g,'');
238
 
                code = code.replace(/&lt;/g,'<');
239
 
                code = code.replace(/&gt;/g,'>');
240
 
                code = code.replace(/&amp;/gi,'&');
241
 
                return code;
242
 
        },
243
 
 
244
 
        // put code inside editor
245
 
        setCode : function() {
246
 
                var code = arguments[0];
247
 
                code = code.replace(/\u2009/gi,'');
248
 
                code = code.replace(/&/gi,'&amp;');
249
 
                code = code.replace(/</g,'&lt;');
250
 
                code = code.replace(/>/g,'&gt;');
251
 
                editor.innerHTML = code;
252
 
                if (code == '')
253
 
                        document.getElementsByTagName('body')[0].innerHTML = '';
254
 
        },
255
 
 
256
 
        // undo and redo methods
257
 
        actions : {
258
 
                pos : -1, // actual history position
259
 
                history : [], // history vector
260
 
                
261
 
                undo : function() {
262
 
                        editor = CodePress.getEditor();
263
 
                        if(editor.innerHTML.indexOf(cc)==-1){
264
 
                                if(editor.innerHTML != " ")
265
 
                                        window.getSelection().getRangeAt(0).insertNode(document.createTextNode(cc));
266
 
                                this.history[this.pos] = editor.innerHTML;
267
 
                        }
268
 
                        this.pos --;
269
 
                        if(typeof(this.history[this.pos])=='undefined') this.pos ++;
270
 
                        editor.innerHTML = this.history[this.pos];
271
 
                        if(editor.innerHTML.indexOf(cc)>-1) editor.innerHTML+=cc;
272
 
                        CodePress.findString();
273
 
                },
274
 
                
275
 
                redo : function() {
276
 
                        // editor = CodePress.getEditor();
277
 
                        this.pos++;
278
 
                        if(typeof(this.history[this.pos])=='undefined') this.pos--;
279
 
                        editor.innerHTML = this.history[this.pos];
280
 
                        CodePress.findString();
281
 
                },
282
 
                
283
 
                next : function() { // get next vector position and clean old ones
284
 
                        if(this.pos>20) this.history[this.pos-21] = undefined;
285
 
                        return ++this.pos;
286
 
                }
287
 
        }
288
 
}
289
 
 
290
 
Language={};
291
 
window.addEventListener('load', function() { CodePress.initialize('new'); }, true);
 
 
b'\\ No newline at end of file'