//////////////////////////////////////////
//
// results.js
//
// javascript code for results page
//
//////////////////////////////////////////

function init()
{
	//document.getElementById('dsettings').style.display = 'block';
	showPane(0);
	showPane(1);
	showFeaturesPane(3); // default to showing saved searches
}


//todo: preload images
// toggles display of settings / saved searches panes
function showPane(pane_idx)
{
	var d	= document.getElementById(panes[pane_idx]);	
	var bar, i;

	// set refs to objects for passed index
	if (pane_idx == 1)	// saves
	{
		bar = document.getElementById('hbarr');		// set ref to clicked toggle bar div
		i 	= document.getElementById('hbarr_i');	// set ref to image in clicked div
	} else	// settings
	{		
		bar = document.getElementById('hbarl');
		i 	= document.getElementById('hbarl_i');
	}

	if (d != null)
	{
	
		// toggle the display
		// turn on
		if (d.style.display == 'none' || d.style.display == '')
		{
			// set right or left border of clicked bar div
			//if (pane_idx == 0)	// settings
			//{
				//bar.style.borderRight = "solid white 1px";
			//}
	
			d.style.display = 'block';	// on
			
			// flip tab image
			i.src = 'images/' + tab_imgs[pane_idx] + '_hide.gif';		
	
			if (pane_idx == 1) repositionSLDiv();
		
		} else // turn off
		{
			// turn border off on clicked div
			bar.style.border = "0px;"
			
			d.style.display = 'none';	// off
	
			// flip up/down button & label
			i.src = 'images/' + tab_imgs[pane_idx] + '_show.gif';		
	
			if (pane_idx == 1) repositionSLDiv(-1);
		}

	}
	
} // showPane(pane_idx)

// show / hide "features" link lists
function showFeaturesPane(idx)
{
	// hide last pane & swap any 'down' btn img
	if (g_last_pane_div != null) g_last_pane_div.style.display = 'none';
	if (g_last_pane_img != null) swap_image(g_last_pane_img, -1);
	
	// remember current div & img
	g_last_pane_div	= document.getElementById(lists[idx]);	
	g_last_pane_img = document.getElementById('isaves' + idx);

	// swap current image
	if (null != g_last_pane_div) 
	{

	swap_image(g_last_pane_img);
	
	// show div
	g_last_pane_div.style.display = 'block';

	repositionSLDiv();

	}
} // showFeaturesPane()

// move sponsored links div to bottom of link list div
function repositionSLDiv(dir)
{
	// find bottom of link list div
	var dspons = document.getElementById('dsl_right');	// sponsored links div
	var dlinks = document.getElementById('dres-links');	// top right links div

	var xTop	= dlinks.offsetTop;
	var xHeight = dlinks.clientHeight;

	//dwrite('clientHeight= ' + dlinks.clientHeight);
	//dwrite('offsetTop= ' + dlinks.offsetTop);

	if (dspons != null)
	{
		if (dir == -1)
		{
			dspons.style.top = dSLStartTop;
		} else
		{
			dspons.style.top = xTop + xHeight + 10;
		}
	}
	
} // repositionSLDiv()

// button image swap
// params: object to act upon, direction (-1 = backward)
function swap_image(ctl, dir)
{
	// assert passed ctl is not null
	if (null == ctl)
	{
		alert('null control passed to swap_image() - exiting');
		return;
	}
		
	// back
	if (dir == -1)
	{
		// reset img scr to original
		ctl.src 	= ctl.src_bak;
	} else
	{
		// get new image name
		var isrc = ctl.src;
		
		// munge image name after last "."
		var new_img = isrc.substring(0, isrc.lastIndexOf('.') );
		var ext		= isrc.substring(isrc.lastIndexOf('.'), isrc.length);
		
		new_img += ('_over' + ext);
		
		// save current properties
		ctl.src_bak 	= ctl.src;
		ctl.src 		= new_img;
	}

} // swap_image()


// over state for link list labels
// params: object to act upon, color to highlight, direction (non-null = backward)
function highlight(ctl, clr, dir)
{
	// back
	if (dir)
	{
		ctl.style.backgroundColor = ctl.clr_bak;
	} else // forward
	{
		ctl.clr_bak = ctl.style.backgroundColor;		
		ctl.style.backgroundColor = clr;
	}
} // highlight()

// params: url of site window, id of media stream, result position index, search term
//doMediaClick('http://www.sxsw.com', 'id://singingfish0/59936869', 1, 'Supersuckers')
function doMediaClick(url, id, idx, term)
{
	// open window for media stream
	openMediaWin(url, id);	

	// log media click
	log(id, idx, term);
	
} // doMediaClick()

function openMediaWin(url)
{
	if (url != "")
	{
		var win = window.open(url, 'media_win', 'toolbar=1,location=1,directories=0,status=1,menubar=1,width=780,height=348,scrollbars=1,resizable=1');
		win.focus();
	}
} // openMediaWin()

// log media click by calling image w/ codified name
function log(){
	var args = log.arguments;
	var spk  = args[0];
	var pos  = args[1];

	var queryXml = args[2];

	var cm = new Image();

	cm.src = getClickMark(spk,pos,queryXml);

} // log()


function getClickMark(spk,pos,queryXml)
{
	var gifUrl = 'http://metrics.singingfish.com/clikmark.gif?'
	+ window.location.host
	+ '&spk='
	+ spk
	+ '&t='
	+ new Date().getTime()
	+ '&pos='
	+ pos
	+ '&qx='
	+ queryXml;

	return gifUrl;
}

//debug
function dwrite(msg)
{
	document.getElementById("ddwrite").innerText += ("\n" + msg);
}


//'submit' adult splash page form
function adultSubmit()
{
		
	sUrl = sUrl + '?' + sQs + '&' + CGI_ARG_NAME_ADULT_RESULTS + '=1';
			
	var oCheck = document.forms['adultresults'][CGI_ARG_NAME_P_ADULT_RESULTS];
	


	if (oCheck.checked)
	{
		sUrl += '&' + CGI_ARG_NAME_P_ADULT_RESULTS + oCheck.value
	}

	//redirect
	document.location.href = sUrl;
}


//open email form window
function email_current_search(name, qs)
{
	var url = 'email_search.jsp?search_name='+ name + '&search_qs=' + qs + '&email_type=' + EMAIL_SEARCH_CURRENT;
	
	win = window.open(url, 'email_win', 'height=535,width=437,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0');
	win.focus();
		
}

//open email form window
function email_saved_searches()
{
	var ss = get_saved_searches();
	
	if (ss.length == 0)
	{
		alert("Please select a search to email");
		return;
	}
	
	
	var url = 'email_search.jsp?&email_type=' + EMAIL_SEARCH_SAVED + '&' + CGI_ARG_NAME_EMAIL_SEARCH + '=1';
	
		
	//tack on saved searches
	var x;
	
	for (x = 0; x < ss.length; x++)
	{
		url+= '&saved_search=' + ss[x]
	}
	
	
	win = window.open(url, 'email_win', 'height=535,width=437,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0');
	win.focus();
	
	
} // email_saved_searches()

function get_saved_searches()
{
	var bChecked = false;	
	var cb = document.forms['fSearch'].elements['saved_search'];
			
	//alert('saved_search.length= ' + cb.length);

	var ss = new Array();
	
	// if no saved searches return empty array
	if (null == cb) return ss;
	
	var x;

	// check every checkbox if array - just the one if not
	if (cb.length)
	{
		for (x = 0; x < cb.length; x++)
		{
			if (cb[x].checked)
			{
				ss.push(cb[x].value);
			}
		}		
	} else
	{
		if (cb.checked)
		{
			ss.push(cb.value);
		}
	}
		

	
	return ss;
	
} // get_saved_searches()

////////////////////////////////////////////////////////////////
// globals
// array indexing display panes (divs)
var panes 	= new Array();
panes 		= ['dsettings', 'dres-links'];
var lists 	= new Array();
lists 		= ['topten', 'toprecent', 'staffpicks', 'savedsearches'];
var tab_imgs= new Array();
tab_imgs	= ['srchsettab', 'featurestab'];
var g_last_pane_div;	// remember last features pane shown
var g_last_pane_img;
var dSLStartTop	= 126;