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| /**
* This class is able to manage BBCodes
*/
TextArea = function (name) {
this._init(name);
}
/**
* TextArea's constructor
*/
TextArea._init = function (name) {
this.name = name;
this.textarea = document.getElementById(this.name);
}
/**
* The effective tag operation
*/
TextArea.tag = function (bStart,bEnd) {
this.textarea.focus();
if (typeof(document.selection) != 'undefined') {
return this.tagIE(bStart,bEnd);
} else {
return this.tagGecko(bStart,bEnd);
}
}
TextArea.tagIE = function (bStart,bEnd) {
var range = document.selection.createRange();
var insText = range.text;
range.text = bStart + insText + bEnd;
range = document.selection.createRange();
if (insText.length == 0) {
range.move('character', -(bEnd.length));
} else {
range.moveStart('character', bStart.length + insText.length + bEnd.length);
}
range.select();
}
TextArea.tagGecko = function (bStart,bEnd) {
var start = this.textarea.selectionStart;
var end = this.textarea.selectionEnd;
var insText = this.textarea.value.substring(start, end);
this.textarea.value = this.textarea.value.substr(0, start) + bStart + insText + bEnd + this.textarea.value.substr(end);
var pos = insText.length ? start + bStart.length + insText.length + bEnd.length : start + bStart.length;
this.textarea.selectionStart = pos;
this.textarea.selectionEnd = pos;
}
/**
* Automatically tag start and end by using a simple open/close tag
*/
TextArea.simpleTag = function (tag) {
var sl = this.textarea.scrollLeft;
var st = this.textarea.scrollTop;
this.tag('['+tag+']','[/'+tag+']');
this.textarea.scrollLeft = sl;
this.textarea.scrollTop = st;
}
/**
* Automatically tag start and end by using an open/close tag with a param asked to user
* by a prompt
*/
TextArea.promptTag = function (tag,message) {
rep = prompt(message);
if (rep.length)
{
var sl = this.textarea.scrollLeft;
var st = this.textarea.scrollTop;
this.tag('['+tag+'='+rep+']','[/'+tag+']');
this.textarea.scrollLeft = sl;
this.textarea.scrollTop = st;
}
}
/**
* Smilies
*/
function add_smilie(code) {
document.getElementById('c_content').value+=' '+code;
} |
