smiletext.as

flashget43的源代码 一个比较常用的下载程序

						var tmp_str = '';
						while( true )
						{	
							this.appendMessage(this.test_txt, tmp_str, 0, true);
							if(this.test_txt.textWidth > (this.min_width - 40) || tmp_str == word)
							{ 
								msg_obj.sequence.label.push(this.WORD);
								msg_obj.sequence.data.push(tmp_str);
								
								if(tmp_str != word)
								{
									word = word.substr(tmp_str.length);
									tmp_str = '';
								}	
								else break;
							}
							tmp_str = word.substr(0, tmp_str.length + 1);
						}
						
						word = '';
					}	
				}
			}
		}
	}
}
//---
_global.SmileText.prototype.addMessageToField = function()
{
	var msg_obj = this.messages[this.messages.length-1];
	if(msg_obj == undefined) return;
	
	var s_index = 0;	
	
	var add_txt = '';
	for(var i = 0; i < msg_obj.smiles.length; i++)
	{
		add_txt = msg_obj.msg.substring( s_index, msg_obj.smiles[i].ind );
		
		this.getWords(msg_obj, add_txt);
		
		var smi = msg_obj.smiles[i]["smi"];
		add_txt = this._SMI[smi]["spaces"];
		
		msg_obj.sequence.label.push(this.SMILE);
		msg_obj.sequence.data.push(add_txt);
		
		s_index = msg_obj.smiles[i].ind + smi.length;
		
		this.iconContainer.attachMovie( this._SMI[smi]["link"], "ico"+this.smile_counter, this.smile_counter++, {_visible : false} );
		
		msg_obj.smiles[i]["ico"]          = this.iconContainer["ico"+(this.smile_counter)];
		msg_obj.smiles[i]["ico"]["link"]  = this._SMI[smi]["link"];
		msg_obj.smiles[i]["ico"]["msgId"] = this.messages.length-1;
		msg_obj.smiles[i]["ico"]["icoId"] = i;
	}
	
	add_txt = msg_obj.msg.substr( s_index );
	this.getWords(msg_obj, add_txt);
	
	var msg = this.breakMessage(msg_obj.sequence);
	this.appendMessage(this.smile_txt, msg, msg_obj.color, false);
	this.AlignSmilies(); 
}

_global.SmileText.prototype.AlignSmilies = function()
{
	if(!this.showSmilies) return;
	
	this.onEnterFrame = function(){ updateAfterEvent(); }
	
	var len = this.messages.length;	
	var dY =  0;
	
	for(var i = 0; i < len; i++)
	{
		var msg_obj  = this.messages[i];		

		var curr_smi = 0, lines = 0;
		
		var msg = '', otag = '', ctag = '';
		
		for(var j = 0; j < msg_obj.sequence.label.length; j++)
		{
			var stype = msg_obj.sequence.label[j];
			var sdata = msg_obj.sequence.data[j];
			
			if(stype == this.WORD)
			{
				msg += sdata;
			}
			else if(stype == this.TAG)
			{
				if(sdata.length < 5) 
				{ 
					if(sdata.toUpperCase() == '<B>' || sdata.toUpperCase() == '<I>')
					{ 
						otag += sdata;
						ctag += sdata.charAt(0) + '/' + sdata.substr(1);
					}
					else if(sdata.toUpperCase() == '</B>' || sdata.toUpperCase() == '</I>')
					{
						otag = ctag = '';
					}
					msg += sdata;
				}
			}
			else if(stype == this.BREAK || stype == this.TMP_BREAK)
			{
				lines++;
				msg = otag;
			}
			else if(stype == this.SMILE && (this.isRefresh == true || i == (len - 1)))
			{
				this.appendMessage(this.test_txt, msg + ctag, 0, true, true);
				var l_width = this.test_txt.textWidth;
				
				var x_y = new Object();
				x_y.x = l_width + 2;
				x_y.y = lines * this.textFieldHeight + 3;
				
				var smi = msg_obj.smiles[curr_smi++];
				var ico = this.smile2font(smi["ico"], x_y, dY, smi["smi"]);
				
				//this.showSmile(ico);
				
				msg_obj.sequence.data[j] = this._SMI[smi["smi"]]["spaces"];
				msg += msg_obj.sequence.data[j];
			}
			
			updateAfterEvent();
		}
		
		dY += lines * this.textFieldHeight;
	}	
	
	this.setMaxScroll();
	this.smile_txt.onScroller(this.smile_txt);
	this.onEnterFrame = this.updateScroll;
	
	this.isRefresh = false;
}

_global.SmileText.prototype.showSmile = function(inIco)
{
	var lines = this.smile_txt.bottomScroll - this.smile_txt.scroll;
	inIco._visible = (
					(Math.floor(inIco._y/this.textFieldHeight) <= lines && 
					inIco._y > 0 && 
					(inIco._x + inIco.width) < this.width) || 
					lines < 2
				 );
}

_global.SmileText.prototype.getLinesCount = function(_txt)
{ 	
	this.updateAfterEvent();
	return (_txt.bottomScroll - _txt.scroll + _txt.maxscroll);	
}

//---
_global.SmileText.prototype.replaceHTMLSpecChars = function(msg)
{
	msg = this.str_replace(msg,"\n","<br>");
	msg = this.str_replace(msg,"\r","<br>");
	
	msg = this.str_replace(msg,"&lt;","<");
	msg = this.str_replace(msg,"&gt;",">");
	msg = this.str_replace(msg,"&amp;","&");
	msg = this.str_replace(msg,"&apos;","'");
	msg = msg.split("a> ").join("a>&nbsp;");

	return (msg);
}

_global.SmileText.prototype.appendMessage = function(_txt, msg, _color, _clear, _nbsp)
{
	if(msg == undefined) return;
	
	if(_nbsp == true) msg = this.str_replace(msg," ","&nbsp;");
	
	var _str = '<FONT FACE="' + this.tf_font + '" SIZE="' + this.tf_size + '" COLOR="#';
	_str += Number(_color).toString(16) + '">';
	_str += msg + '</FONT>';
	
	if(_clear == true) _txt.htmlText = "";	
	_txt.htmlText += _str;
	
}
//---

//if smile found return array else undefined
_global.SmileText.prototype.getSmilesInText = function( inTxt, inAvatar )
{
	var ret_arr = new Array();
	var txt = inTxt;
	var avatar = inAvatar;
	
	if(inAvatar != null && inAvatar != '')
	{ 
		var startIndex = 0;
		var ind = 0;
		while( (ind = txt.indexOf(inAvatar,startIndex)) >= 0)
		{
			startIndex = ind + inAvatar.length;
			var smi_obj = new Object();
			smi_obj.ind = ind;
			smi_obj.smi = inAvatar;
			ret_arr.push(smi_obj);
		}
		
		//replace smile text
		if(startIndex != 0)
		{ 
			var repl = '';
			for(var i = 0; i < inAvatar.length; i++) repl+= '#';
			
			txt = this.str_replace(txt, inAvatar, repl);
		}
	}	
	
	for(var smi in this._SMI)
	{ 
		if(smi == undefined) continue;
	
		var startIndex = 0;
		var ind = 0;
		
		while( (ind = txt.indexOf(smi,startIndex)) >= 0)
		{
			startIndex = ind + smi.length;
			//fix bug with 'mailto:p'
			if(txt.substr(ind-6, 7) == 'mailto:') continue;
			
			var smi_obj = new Object();
			smi_obj.ind = ind;
			smi_obj.smi = smi;
			ret_arr.push(smi_obj);
		}
		
		//replace smile text
		if(startIndex != 0)
		{ 
			var repl = '';
			for(var i = 0; i < smi.length; i++) repl+= '#';
			
			txt = this.str_replace(txt, smi, repl);
		}
	}
	
	ret_arr.sort( this.sortSmilesInMessage );
	
	return ret_arr;
}

_global.SmileText.prototype.setMinWidth = function(w) {
	this.min_width = (w == undefined && w < 40)? this.min_width : w;
}

_global.SmileText.prototype.showSmiliesOnOff = function( flag ) {
	//for(var i = 0; i < this.messages.length; i++) this.iconContainer["ico"+i]._visible = false;
	
	for(var i = 0; i < this.messages.length; i++)
	{ 
		var msg_obj = this.messages[i];
		for(var j = 0; j < msg_obj.smiles.length; j++) msg_obj.smiles[j]["ico"]._visible = flag;
	}
};

_global.SmileText.prototype.setSize = function(w, h) {
	if ((this.width == w) && (this.height == h) || w==undefined || h==undefined) 
	{
		return;
	}
	
	var fl = (this.width > w) || (this.height > h);
	if( fl ) this.showSmiliesOnOff(!fl);
	
	this.width = w;
	this.height = h;	
	
	this.smile_txt._width = w - (this.scrollBar._visible ? this.scrollBar._width : 0);
	this.test_txt._width = this.smile_txt._width;
	this.smile_txt._height = h;	
	this.scrollBar._x = this.smile_txt._width;
	this.scrollBar.setSize(h);
	this.smiletext_background._width  = w;
	this.smiletext_background._height = h;
	
	this.mask._width  = w + 2;
	this.mask._height = h + 2;
	
	this.drawBorder();
	
	this.refreshText();
	
	if( fl ) this.showSmiliesOnOff(fl);
};

_global.SmileText.prototype.refreshText = function()
{
	if(!this.showSmilies) 
	{ 
		this.onEnterFrame = this.updateScroll;
		return;
	}
	
	//refresh text
	this.smile_txt.htmlText = "";
	for(var i = 0; i < this.messages.length; i++)
	{ 
		var msg_obj = this.messages[i];
		//remove tmp_break
		var len = msg_obj.sequence.br_index.length;
		for(var j = 0; j < len; j++)
		{
			var ind = msg_obj.sequence.br_index.pop();
			msg_obj.sequence.label.splice(ind, 1);
			msg_obj.sequence.data.splice(ind, 1);
		}
		
		var msg = this.breakMessage(msg_obj.sequence);
		this.appendMessage(this.smile_txt, msg, msg_obj.color, false);
	}
	
	this.isRefresh = true;
	this.onEnterFrame = this.AlignSmilies;
}

_global.SmileText.prototype.updateScroll = function()
{ 
	delete this.onEnterFrame;
	this.scrollBar.setScrollTarget(this.smile_txt);
}


_global.SmileText.prototype.clear = function() 
{
	this.smile_txt.htmlText = "";
	
	this.resetTextLines();
	this.messages = new Array();
	
	for(var i = 1; i <= this.smile_counter; i++)
	{
		var ico = this.iconContainer["ico"+i];
		if(ico.dummi) delete(this.iconContainer["ico"+i]);
		else ico.removeMovieClip();
	}
	
	this.createEmptyMovieClip(this.iconContainer._name, this.iconContainer.getDepth());
};

//sets maximum number of messages in smile text.
_global.SmileText.prototype.setMaxMessageCount = function(inMaxMessageCount) 
{
	this.maxMessageCount = inMaxMessageCount;
};

_global.SmileText.prototype.setEnabled = function(inEnabled) 
{
	this.smile_txt.selectable = inEnabled;
	this.scrollBar.setEnabled(inEnabled);
};

_global.SmileText.prototype.setBackgroundColor = function(inBackgroundColor, inAlpha) 
{
	this.backgroundColor = inBackgroundColor;
	var c = new Color(this.smiletext_background);
	c.setRGB(this.backgroundColor);
	
	this.smiletext_background._alpha = inAlpha;
};

_global.SmileText.prototype.setBorderColor = function(inBorderColor, inAlpha) 
{
	this.borderColor = inBorderColor;
	this.drawBorder();
};

//PRIVATE METHODS.
_global.SmileText.prototype.setupTextFormat = function(font_name, font_size)
{
	if(font_name == this.tf_font && font_size == this.tf_size) return;
	
	if(font_name == undefined)font_name = this.tf_font;
	if(font_size == undefined)font_size = this.tf_size;
	
	this.tf_font = font_name;
	this.tf_size = font_size;
	
	this.test_txt.multiline = true;
	this.appendMessage(this.test_txt, "&nbsp;<br>&nbsp;<br>&nbsp;", 0, true);
	this.textFieldHeight = this.test_txt.textHeight / 3 ;
	this.spaceWidth	= this.test_txt.textWidth;	
	this.test_txt.multiline = false;
	
	for(var i=0; i<SmileTextConst.patternList.length; i++)
	{
		var smile_name = SmileTextConst.patternList[i][0];
		
		var dummyObj = {_xscale:100, _yscale:100};
		
		this.smileSetSize(dummyObj, smile_name);
		var need_spaces = Math.ceil( this._SMI[smile_name]["space_width"] / this.spaceWidth );
		
		var spaces = "";
		for(var j=0; j<need_spaces; j++) spaces += "&nbsp;";
		
		this._SMI[smile_name]["spaces"] = spaces;
		this.appendMessage(this.test_txt, this.str_replace(spaces, " ", "&nbsp;"), 0, true);
		this._SMI[smile_name]["spaces_width"] = this.test_txt.textWidth;
	}
	
};

_global.SmileText.prototype.getLinesCount = function(_txt){ 	
	this.updateAfterEvent();
	return (_txt.bottomScroll - _txt.scroll + _txt.maxscroll);	
};

_global.SmileText.prototype.getPropWidth = function() {
	return this.width;
};

_global.SmileText.prototype.setPropWidth = function(inWidth) {
	return this.setSize(inWidth, this.height);
};

_global.SmileText.prototype.getPropHeight = function() {
	return this.height;
};

_global.SmileText.prototype.setPropHeight = function(inHeight) {
	return this.setSize(inHeight, this.height);
};

_global.SmileText.prototype.resetTextLines = function() {
	this.currentY = 0;
	this.messageCount = 0;
	this.smile_txt.text = '';
	this.smile_txt.scroll = 1;
};

_global.SmileText.prototype.drawBorder = function() {
	this.border.clear();
	this.border.lineStyle(1, this.borderColor, 100);
	this.border.moveTo(0, 0);
	this.border.lineTo(this.width, 0);
	this.border.lineTo(this.width, this.height);
	this.border.lineTo(0, this.height);
	this.border.lineTo(0, 0);
};


_global.SmileText.prototype.str_replace = function(str, _old, _new)
{
	if(_new.indexOf(_old) >= 0) return str;
	
	var str1,str2;
	var pos = str.indexOf(_old);
	while (pos >= 0 ){
		str1 = str.substring(0, pos);
		str2 = str.substring(pos+_old.length);
		str  = str1 + _new + str2;
		pos  = str.indexOf(_old);
	};
	
	return str;
};
 
_global.SmileText.prototype.sortSmilesInMessage = function (a, b) 
{   
   if (a.ind < b.ind) { return -1;} 
   else if (a.ind > b.ind) {return 1;} 
   else {return 0;}
};

_global.SmileText.prototype.changeAvatar = function (inUserId)
{
	/*
	var msgs = new Array();

	for(var i = 0; i < this.messages.length; i++)
	{
		var msg_obj = this.messages[i];
		msgs[i] = new Object();
		msgs[i].label  = msg_obj.label;
		msgs[i].msg    = msg_obj.msg;
		msgs[i].text   = msg_obj.text;
		msgs[i].userId = msg_obj.userId;
		msgs[i].color  = msg_obj.color;
	}
	
	this.clear();
	for(i = 0; i < msgs.length; i++)
	{
		this.addText(msgs[i].label, msgs[i].text, msgs[i].color, msgs[i].userId); 
	}
	*/
}; 

Object.registerClass('SmileText', _global.SmileText);

#endinitclip