/*
* Chromoscope context menu plugin
* Written by Stuart Lowe to add a context-sensitive menu
*
* Changes in version 1.1 (2011-10-23):
* - Removed need for global variable
* - Can attach functions to menu items
* - Improved context menu styling
*
* Changes in version 1.0 (2011-09-25):
* - Now a separate plugin
*/
(function ($) {
function init(chromo) {
// Build up the context-sensitive menu links
// Arguments are:
// args.l = Galactic longitude (decimal degrees)
// args.b = Galactic latitude (decimal degrees)
// args.z = zoom level
// args.ra = Right Ascension (decimal hours)
// args.dec = Declination (decimal degrees)
chromo.bind("contextmenu",function(args){ return { text:''+(this.phrasebook.centre)+'','fn':function(){ args.chromo.moveMap(args.l,args.b,args.z); } } })
chromo.bind("contextmenu",function(args){ return '
'; })
chromo.bind("contextmenu",function(args){ return ''+this.phrasebook.wikisky+''; })
chromo.bind("contextmenu",function(args){ return ''+this.phrasebook.wwt+''; })
chromo.bind("contextmenu",function(args){ return '
'; })
chromo.bind("contextmenu",function(args){ return ''+this.phrasebook.nearby+' (Simbad)'; })
chromo.bind("contextmenu",function(args){ return ''+this.phrasebook.nearby+' (NED)'; })
chromo.bind("load",function(){ buildContextMenu(this); });
}
// Construct the context-sensitive menu
function buildContextMenu(chromo){
$(chromo.body+' .chromo_outerDiv').bind("contextmenu",{el:chromo},function(e){
var chromo = e.data.el;
if(chromo.mouseevents){
var offset = 2;
var offx = ($(chromo.container).length > 0) ? $(chromo.container).offset().left : 0;
var offy = ($(chromo.container).length > 0) ? $(chromo.container).offset().top : 0;
var newtop = (e.clientY)-offy;
var newleft = (e.clientX)-offx;
var coords = chromo.getCoords(newleft,newtop);
var radec = Galactic2Equatorial(coords.l,coords.b);
if($(chromo.body+" .chromo_context").length == 0) $(chromo.body).append('');
if(chromo.events['contextmenu']){
$(chromo.body+" .chromo_context").html('').bind('mouseleave', {el:chromo,body:chromo.body}, function(e){ $(e.data.body+' .chromo_context').hide(); e.data.el.dragging = false; });
var o = chromo.trigger("contextmenu",{chromo:chromo,l:coords.l,b:coords.b,z:chromo.zoom,ra:radec.ra,dec:radec.dec});
for(i = 0 ; i < o.length ; i++){
fn = "";
// Check if this context menu item has a function attached
if(typeof o[i]=="object"){
fn = o[i].fn;
o[i] = o[i].text;
}
$(chromo.body+" .chromo_context ul").append("");
// Execute any attached functions
if(fn) $(chromo.body+" .chromo_context ul li.contextmenu-"+i).bind('click',fn);
}
$(chromo.body+" .chromo_context li a").css({padding:'2px 2px 2px 20px',display:'block',textDecoration:'none',color:'black'});
$(chromo.body+" .chromo_context li a").hover( function(){
$(this).css({'background-color':'#225ff6','background-image': '-webkit-gradient(linear,left top,left bottom,color-stop(0.41, rgb(99,136,249)),color-stop(0.71, rgb(34,94,246)));','color':'white'});
},function(){
$(this).css({'background-color':'transparent','color':'black'});
});
var w = $(chromo.body+" .chromo_context").outerWidth();
var h = $(chromo.body+" .chromo_context").outerHeight();
if(newleft+w > chromo.wide) newleft -= w-2*offset;
if(newtop+h > chromo.tall) newtop -= h-(2*offset);
$(chromo.body+" .chromo_context").css({left:(newleft-offset)+'px',top:(newtop-offset)+'px'}).show();
$(chromo.body+" .chromo_context hr").css({'margin':'4px 0px 4px 0px','border':0,'background-color':'#ccc','height':'2px','border-bottom':'1px solid #fff'}).show();
chromo.dragging = false;
return false;
}
}
});
}
$.chromoscope.plugins.push({
init: init,
name: 'contextmenu',
version: '1.1'
});
})(jQuery);