1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
// change_to: "on" or "off"
EditArea.prototype.change_highlight= function(change_to){
if(this.settings["syntax"].length==0 && change_to==false){
this.switchClassSticky(document.getElementById("highlight"), 'editAreaButtonDisabled', true);
this.switchClassSticky(document.getElementById("reset_highlight"), 'editAreaButtonDisabled', true);
return false;
}
if(this.do_highlight==change_to)
return false;
if(this.nav['isIE'])
this.getIESelection();
var pos_start= this.textarea.selectionStart;
var pos_end= this.textarea.selectionEnd;
if(this.do_highlight===true || change_to==false)
this.disable_highlight();
else
this.enable_highlight();
this.textarea.focus();
this.textarea.selectionStart = pos_start;
this.textarea.selectionEnd = pos_end;
if(this.nav['isIE'])
this.setIESelection();
};
EditArea.prototype.disable_highlight= function(displayOnly){
document.getElementById("selection_field").innerHTML="";
this.content_highlight.style.visibility="hidden";
// replacing the node is far more faster than deleting it's content in firefox
var new_Obj= this.content_highlight.cloneNode(false);
new_Obj.innerHTML= "";
this.content_highlight.parentNode.insertBefore(new_Obj, this.content_highlight);
this.content_highlight.parentNode.removeChild(this.content_highlight);
this.content_highlight= new_Obj;
var old_class= parent.getAttribute(this.textarea,"class");
if(old_class){
var new_class= old_class.replace("hidden","");
parent.setAttribute(this.textarea, "class", new_class);
}
this.textarea.style.backgroundColor="transparent"; // needed in order to see the bracket finders
//var icon= document.getElementById("highlight");
//setAttribute(icon, "class", getAttribute(icon, "class").replace(/ selected/g, "") );
//this.restoreClass(icon);
//this.switchClass(icon,'editAreaButtonNormal');
this.switchClassSticky(document.getElementById("highlight"), 'editAreaButtonNormal', true);
this.switchClassSticky(document.getElementById("reset_highlight"), 'editAreaButtonDisabled', true);
this.do_highlight=false;
this.switchClassSticky(document.getElementById("change_smooth_selection"), 'editAreaButtonSelected', true);
if(typeof(this.smooth_selection_before_highlight)!="undefined" && this.smooth_selection_before_highlight===false){
this.change_smooth_selection_mode(false);
}
// this.textarea.style.backgroundColor="#FFFFFF";
};
EditArea.prototype.enable_highlight= function(){
this.show_waiting_screen();
this.content_highlight.style.visibility="visible";
var new_class=parent.getAttribute(this.textarea,"class")+" hidden";
parent.setAttribute(this.textarea, "class", new_class);
if(this.nav['isIE'])
this.textarea.style.backgroundColor="#FFFFFF"; // IE can't manage mouse click outside text range without this
//var icon= document.getElementById("highlight");
//setAttribute(icon, "class", getAttribute(icon, "class") + " selected");
//this.switchClass(icon,'editAreaButtonSelected');
//this.switchClassSticky(document.getElementById("highlight"), 'editAreaButtonNormal', false);
this.switchClassSticky(document.getElementById("highlight"), 'editAreaButtonSelected', false);
this.switchClassSticky(document.getElementById("reset_highlight"), 'editAreaButtonNormal', false);
this.smooth_selection_before_highlight=this.smooth_selection;
if(!this.smooth_selection)
this.change_smooth_selection_mode(true);
this.switchClassSticky(document.getElementById("change_smooth_selection"), 'editAreaButtonDisabled', true);
this.do_highlight=true;
this.resync_highlight();
this.hide_waiting_screen();
//area.onkeyup="";
/*if(!displayOnly){
this.do_highlight=true;
this.reSync();
if(this.state=="loaded")
this.textarea.focus();
}*/
};
EditArea.prototype.maj_highlight= function(infos){
if(this.last_highlight_base_text==infos["full_text"] && this.resync_highlight!==true)
return;
//var infos= this.getSelectionInfos();
if(infos["full_text"].indexOf("\r")!=-1)
text_to_highlight= infos["full_text"].replace(/\r/g, "");
else
text_to_highlight= infos["full_text"];
// for optimisation process
var start_line_pb=-1;
var end_line_pb=-1;
var stay_begin="";
var stay_end="";
var debug_opti="";
// for speed mesure
var date= new Date();
var tps_start=date.getTime();
var tps_middle_opti=date.getTime();
// OPTIMISATION: will search to update only changed lines
if(this.reload_highlight===true){
this.reload_highlight=false;
}else if(text_to_highlight.length==0){
text_to_highlight="\n ";
}else{
var base_step=200;
var cpt= 0;
var end= Math.min(text_to_highlight.length, this.last_text_to_highlight.length);
var step= base_step;
// find how many chars are similar at the begin of the text
while(cpt<end && step>=1){
if(this.last_text_to_highlight.substr(cpt, step) == text_to_highlight.substr(cpt, step)){
cpt+= step;
}else{
step= Math.floor(step/2);
}
}
var pos_start_change=cpt;
var line_start_change= text_to_highlight.substr(0, pos_start_change).split("\n").length -1;
cpt_last= this.last_text_to_highlight.length;
cpt= text_to_highlight.length;
step= base_step;
// find how many chars are similar at the end of the text
while(cpt>=0 && cpt_last>=0 && step>=1){
if(this.last_text_to_highlight.substr(cpt_last-step, step) == text_to_highlight.substr(cpt-step, step)){
cpt-= step;
cpt_last-= step;
}else{
step= Math.floor(step/2);
}
}
//cpt_last=Math.max(0, cpt_last);
var pos_new_end_change= cpt;
var pos_last_end_change= cpt_last;
if(pos_new_end_change<=pos_start_change){
if(this.last_text_to_highlight.length < text_to_highlight.length){
pos_new_end_change= pos_start_change + text_to_highlight.length - this.last_text_to_highlight.length;
pos_last_end_change= pos_start_change;
}else{
pos_last_end_change= pos_start_change + this.last_text_to_highlight.length - text_to_highlight.length;
pos_new_end_change= pos_start_change;
}
}
var change_new_text= text_to_highlight.substring(pos_start_change, pos_new_end_change);
var change_last_text= this.last_text_to_highlight.substring(pos_start_change, pos_last_end_change);
var line_new_end_change= text_to_highlight.substr(0, pos_new_end_change).split("\n").length -1;
var line_last_end_change= this.last_text_to_highlight.substr(0, pos_last_end_change).split("\n").length -1;
var change_new_text_line= text_to_highlight.split("\n").slice(line_start_change, line_new_end_change+1).join("\n");
var change_last_text_line= this.last_text_to_highlight.split("\n").slice(line_start_change, line_last_end_change+1).join("\n");
// check if it can only reparse the changed text
var trace_new= this.get_syntax_trace(change_new_text_line);
var trace_last= this.get_syntax_trace(change_last_text_line);
if(trace_new == trace_last){
date= new Date();
tps_middle_opti=date.getTime();
stay_begin= this.last_hightlighted_text.split("\n").slice(0, line_start_change).join("\n");
if(line_start_change>0)
stay_begin+= "\n";
stay_end= this.last_hightlighted_text.split("\n").slice(line_last_end_change+1).join("\n");
if(stay_end.length>0)
stay_end= "\n"+stay_end;
if(stay_begin.length==0 && pos_last_end_change==-1)
change_new_text_line+="\n";
text_to_highlight=change_new_text_line;
}
if(this.settings["debug"]){
debug_opti= (trace_new == trace_last)?"Optimisation": "No optimisation";
debug_opti+= " start: "+pos_start_change +"("+line_start_change+")";
debug_opti+=" end_new: "+ pos_new_end_change+"("+line_new_end_change+")";
debug_opti+=" end_last: "+ pos_last_end_change+"("+line_last_end_change+")";
debug_opti+="\nchanged_text: "+change_new_text+" => trace: "+trace_new;
debug_opti+="\nchanged_last_text: "+change_last_text+" => trace: "+trace_last;
//debug_opti+= "\nchanged: "+ infos["full_text"].substring(pos_start_change, pos_new_end_change);
debug_opti+= "\nchanged_line: "+change_new_text_line;
debug_opti+= "\nlast_changed_line: "+change_last_text_line;
debug_opti+="\nstay_begin: "+ stay_begin.slice(-200);
debug_opti+="\nstay_end: "+ stay_end;
//debug_opti="start: "+stay_begin_len+ "("+nb_line_start_unchanged+") end: "+ (stay_end_len)+ "("+(splited.length-nb_line_end_unchanged)+") ";
//debug_opti+="changed: "+ text_to_highlight.substring(stay_begin_len, text_to_highlight.length-stay_end_len)+" \n";
//debug_opti+="changed: "+ stay_begin.substr(stay_begin.length-200)+ "----------"+ text_to_highlight+"------------------"+ stay_end.substr(0,200) +"\n";
debug_opti+="\n";
}
// END OPTIMISATION
}
date= new Date();
tps_end_opti=date.getTime();
// apply highlight
var updated_highlight= this.colorize_text(text_to_highlight);
// get the new highlight content
date= new Date();
tps2=date.getTime();
//updated_highlight= "<div class='keywords'>"+updated_highlight+"</div>";
var hightlighted_text= stay_begin + updated_highlight + stay_end;
//parent.document.getElementById("test_pre").innerHTML="<div class='keywords'>"+hightlighted_text+"</div>";
//this.previous_hightlight_content= tab_text.join("<br>");
date= new Date();
inner1=date.getTime();
// update the content of the highlight div by first updating a clone node (as there is no display in the same time for this node it's quite faster (5*))
var new_Obj= this.content_highlight.cloneNode(false);
//new_Obj.innerHTML= "<div class='keywords'>"+hightlighted_text+"</div>";
if(this.nav['isIE'] || this.nav['isOpera'])
new_Obj.innerHTML= "<pre><span class='"+ this.settings["syntax"] +"'>" + hightlighted_text.replace("\n", "<br/>") + "</span></pre>";
else
new_Obj.innerHTML= "<span class='"+ this.settings["syntax"] +"'>"+ hightlighted_text +"</span>";
this.content_highlight.parentNode.insertBefore(new_Obj, this.content_highlight);
this.content_highlight.parentNode.removeChild(this.content_highlight);
this.content_highlight= new_Obj;
if(infos["full_text"].indexOf("\r")!=-1)
this.last_text_to_highlight= infos["full_text"].replace(/\r/g, "");
else
this.last_text_to_highlight= infos["full_text"];
this.last_hightlighted_text= hightlighted_text;
date= new Date();
tps3=date.getTime();
if(this.settings["debug"]){
tot1=tps_end_opti-tps_start;
tot_middle=tps_end_opti- tps_middle_opti;
tot2=tps2-tps_end_opti;
tps_join=inner1-tps2;
tps_td2=tps3-inner1;
//lineNumber=tab_text.length;
//this.debug.value+=" \nNB char: "+document.getElementById("src").value.length+" Nb line: "+ lineNumber;
this.debug.value= "Tps optimisation "+tot1+" (second part: "+tot_middle+") | tps reg exp: "+tot2+" | tps join: "+tps_join;
this.debug.value+= " | tps update highlight content: "+tps_td2+"("+tps3+")\n";
this.debug.value+=debug_opti;
// this.debug.value+= "highlight\n"+hightlighted_text;
}
};
EditArea.prototype.resync_highlight= function(reload_now){
this.reload_highlight=true;
this.last_highlight_base_text="";
this.focus();
if(reload_now)
this.check_line_selection(false);
};
|