/*
	VSA - L'info
	Company	: Ideogram Design
	Author 	: Jean-Baptiste LEBRUN
	Version	: 1.0
	Date	: Nov 2004
	
	Changes :
		-2004-11-26 : initial file
*/

var	DIARY_COLORS=[]
	DIARY_COLORS[0] = "#919191";
	DIARY_COLORS[1] = "#DDA028";
	DIARY_COLORS[2] = "#CB523A";
	DIARY_COLORS[3] = "#7F92CF";

// main object
function Diary () {
	// variables
	this.displayed_type = 1;
	this.displayed_page = 0;
	
	this.elmt_by_page = 3;
	
	this.nb_pages;
	
	
	this.elements = new Array();
	this.pages = new Array();
	for ( var i = 0; i< 4; i++ ) {
		this.elements[i] = new Array();
		this.pages[i] = new Array();
	}
	
	// methods
	this.init 			= Diary_init;
	this.addElement		= Diary_addElement;
	this.displayPage	= Diary_displayPage;
	
	this.getPager		= Diary_getPager;
	this.getPage		= Diary_getPage;
	
	this.smartChange	= Diary_smartChange;
}


// init fx for diary
function Diary_init() {

	this.nb_pages = [];
	for ( var i = 0; i<this.elements.length; i++ ) {
		this.nb_pages[i] = parseInt(this.elements[i].length/this.elmt_by_page);
	}

	// display the first page
	this.displayPage ( 0, 0 );
}

// add a page to the diary
function Diary_addElement( txt, type) {
	this.elements[type][this.elements[type].length] = txt;
}

// display a page from the diary
function Diary_displayPage ( type, page ) {
	// check for style changing
	if ( type != this.displayed_type ) {
		// unselect old type
		document.getElementById("t" + this.displayed_type + "_title").className = "diary_lnk";
		
		// select new type
		document.getElementById("t" + type + "_title").className = "diary_sel";
		document.getElementById("diary_bg").className = "bg_type" + type;
		document.getElementById("d_img").src = "../images/editions/title_t" + type + ".gif";
		
		// display pager
		document.getElementById("page_select").innerHTML = this.getPager( type, page );
		document.getElementById("page_select2").innerHTML = document.getElementById("page_select").innerHTML;
	} else {
		// display pager
		document.getElementById("page_select").innerHTML = this.getPager( type, page );
		document.getElementById("page_select2").innerHTML = document.getElementById("page_select").innerHTML;
	}
	
	
	// display main part
	document.getElementById("page_").innerHTML = this.getPage( type, page );
	
	// update values
	this.displayed_type = type;
	this.displayed_page = page;
}


//
function Diary_getPager ( type, page ) {
	var str = "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\"";
	str += " style=\"background-color:" + DIARY_COLORS[ type ] + ";\">";
	if ( this.nb_pages[type] == 0 ) {
		str += "<tr><td>&nbsp;</td></tr>";
	} else {
		str += "<tr><td width=\"15\"><img src=\"../images/pixels/invisible.gif\" width=\"15\" height=\"15\" alt=\"\" border=\"0\"></td>";
		//
		for ( var i=0; i<=this.nb_pages[type]; i++ ) {
			if (  i == page ) {
				str += "<td width=\"" + (220-this.nb_pages[type]*15) + "\" class=\"diary_pager_sel\">";
				str += "" + (i+1) + "</td>";
			} else {
				str += "<td width=\"15\" id=\"page" + i + "\"><a class=\"diary_pager\"";
				str += " href=\"javascript:diary.displayPage ( " + type + ", " + i + " );\">" + (i+1) + "</a></td>";
			}
		}
		str += "<td width=\"15\"><img src=\"../images/pixels/invisible.gif\" width=\"15\" height=\"15\" alt=\"\" border=\"0\"></td></tr>";
	}
	str += "</table>";
	return str;
}

//
function Diary_getPage ( type, page ) {
	if ( this.elements[type].length == 0 ) {
		var str = "<table cellspacing=\"0\" cellpadding=\"3\" border=\"0\" width=\"100%\">\n";
		str += "<tr><td style=\"font-weight:bold;\" class=\"diary_txt\">";
		str += "Aucune information disponible dans cette rubrique.</td></tr>";
		str += "</table>";
	} else {
		var start = page*this.elmt_by_page;
		var end = Math.min( (page+1)*this.elmt_by_page, this.elements[type].length);
	
		var str = "<table cellspacing=\"5\" cellpadding=\"0\" border=\"0\" width=\"100%\">\n";
		for ( var i= start; i < end; i++ ) {
			str += "<tr><td class=\"diary_txt\">" + this.elements[type][i] + "</td></tr>";
			if ( i< end - 1) {
				str += "<tr><td style=\"background-color:" + DIARY_COLORS[ type ] + ";\" height=\"2\">";
				str += "<img src=\"../images/pixels/invisible.gif\" width=\"1\" height=\"2\" alt=\"\" border=\"0\"></td></tr>";
			}
		}
		str += "</table>";
	}
	return str;
}

/*------------- static methods ----------------*/
function Diary_smartChange ( old_p , new_p ) {
	max = 220-this.nb_pages[this.displayed_type]*15;
	min = 15;
	if ( document.getElementById("page" + new_p ).width < max ) {
		/*for ( var i=0; i<this.nb_pages[this.displayed_type]; i++ ) {
			if ( i == old_p ) {
				document.getElementById("page" + old_p ).width -= 2;
			} else if ( i== new_p ) {*/
			document.getElementById("page" + old_p ).width -= 2;
				document.getElementById("page" + new_p ).width += 2;
			/*} else {
				document.getElementById("page" + i ).width = 15;
			}
		}*/
		setTimeout("diary.smartChange(" + old_p + "," + new_p + ");", 100 );
	} else {
		alert ("stop");
	} 
}