/*Preference and Configuration


Kenny:

  Q: What is this?
  A: This is where I store optional codes and make them into preferences.
  Q: How do I use it?
  A: Here is how I use it. 
     Step 1: Wrap your code into a function with necesssary arguments.
     Step 2: OptionCollection.addOption(name,function)
     Step 3: Call this piece of code by OptionCollection[name].setupHere(arguments,location)
             where "arguments" is an array of arguments (corresponding to arguments of Step 1)
                   "location" is extra information about where the option is set up.
                   
     Remarks: If there is more than one piece corresponding to an option, use 
              Option.addMoreCode(function) and access pieces of codes by using 
              OptionCollection[name][index].setupHere instead
    
     Step 4: Remember to enable the option (default enabled=false) if you want to test it
  Q: Future?
  A: It should be easy to extend this architecture to contain "hooks", that is you should be able to
     insert code into certain location defined by Step 3.
                                                                2007-06-15 kennyluck

Tim (2007/9):
    Sorry, Kenny. This is some of the most difficult to understand code there is.
    It makes understanding it by others really hard.  We will have to get rid
    of it piece by piece. Please do NOT use the features in configuration.js for any more code.
    
    This is a system of Kenny's for making optional compilation.  It inserts code
    defined n blocks here in  various places in the program. This makes it very
    hard to follow.
*/ 


function Option(code){ //{class Option}
    this.code=code;
    this.length=1;
    this.enabled=false;
    this.setupHere=
    function (arg,message,defaultCode){
        //which is faster? eval or Function?

        this.message=message;//you should input message
        this.defaultCode=defaultCode;        
        //eval:
        //for (var i=0;i<arguments.length;i+=2) eval("var "+arguments[i]+"="+arguments[i+1].toString());
        //if (this.enabled) eval(this.code);
        
        //Function:        
        //if (this.enabled) Function("e",this.code).apply(this,arguments); 
        
        //Neither: (why didn't I find this solution in the past few hours...)
        if (this.enabled) 
            return this.code.apply(this,arg);
        else if (defaultCode)
            return this.defaultCode.apply(this,arg);
    };
    this.addMoreCode=function (func){
        if (this.length==1) this[0]=new Option(this.code);
        this[this.length]=new Option(func);
        this.length++;
    }
    this.enable=function(){
        this.enabled=true;
        if (this.length>1)
            for(var i=0;i<this.length;i++)
                this[i].enabled=true;
    }
}

function OptionCollection(){ //{class OptionCollection}
    this.addOption=
    function(description,code){
        this[description]=new Option(code);
    };
}

/* Utility */

//Magic number 13 only works for functions with no arguments!!
function getFunctionBody(func){
    return func.toSource().substring(func.name.length+13,func.toSource().length-1)
}

/** 
  * Human Computer Interaction Options
  **/
var HCIoptions=new OptionCollection();

//right click to switch mode
function temp_RCTSM0(){
    //temporary key ctrl+s or q for swiching mode
    window.addEventListener('keypress',function(e){	if (e.ctrlKey && (e.charCode==115 || e.charCode==113)) UserInput.switchMode();},false);
    window.addEventListener('mousedown',UserInput.Mousedown,false);
    document.getElementById('outline').oncontextmenu=function(){return false;};
}
HCIoptions.addOption("right click to switch mode",temp_RCTSM0);
delete temp_RCTSM0;

function temp_RCTSM1(e){
    if (e.button==2){ //right click
        UserInput.switchMode();
        if(e){
            e.preventDefault();
            e.stopPropagation();
        }
    }
}
HCIoptions["right click to switch mode"].addMoreCode(temp_RCTSM1);
delete temp_RCTSM1;

function temp_RCTSM2(){
    function thoseRadios(){
        var menuDiv=document.getElementById('MenuBar');
        var labelWrite=document.createElement('label');
        labelWrite.innerHTML='<input type="radio" onclick="UserInput.switchModeByRadio()" name="mode" value="1"><img src="icons/pencil_small.png" title="Edit Mode" /></input>'
        var labelBrowse=document.createElement('label');
        labelBrowse.innerHTML='<input type="radio" onclick="UserInput.switchModeByRadio()" name="mode" value="0" checked><img src="icons/discovery_small.png" title="Discovery Mode" /></input>'
        menuDiv.insertBefore(labelWrite,menuDiv.childNodes[6]); //6!! text nodes suck!
        menuDiv.insertBefore(labelBrowse,menuDiv.childNodes[6]);
    }
    addLoadEvent(thoseRadios);
    addLoadEvent(function(){ document.getElementsByName("mode")[0].checked=true;});
}
HCIoptions["right click to switch mode"].addMoreCode(temp_RCTSM2);
delete temp_RCTSM2;

/*
//able to edit in Discovery Mode by mouse
function temp_ATEIDMBM0(sel,e,outline,selectedTd){
    if (sel) outline.UserInput.Click(e,selectedTd);
}
HCIoptions.addOption("able to edit in Discovery Mode by mouse",temp_ATEIDMBM0);
delete temp_ATEIDMBM0;

function temp_ATEIDMBM1(node,termWidget){
    termWidget.addIcon(node,Icon.termWidgets.addTri);
}
HCIoptions["able to edit in Discovery Mode by mouse"].addMoreCode(temp_ATEIDMBM1);
delete temp_ATEIDMBM1;

function temp_ATEIDMBM2(node){
    termWidget.removeIcon(node,Icon.termWidgets.addTri);
}
HCIoptions["able to edit in Discovery Mode by mouse"].addMoreCode(temp_ATEIDMBM2);
delete temp_ATEIDMBM2;
*/

//favorite dock
function temp_FD0(){
    include("js/calView/yahoo-dom-event.js");
    include("js/calView/dragdrop.js");
}

HCIoptions.addOption("favorite dock",temp_FD0);
delete temp_FD0;

//insert bottom highlights
HCIoptions.addOption("bottom insert highlights");


/** 
  * Source Options
  **/
var SourceOptions=new OptionCollection();

//javascript2rdf
function javascript2rdf0()
{
    include("js/misc/javascript2rdf.js");
}
SourceOptions.addOption("javascript2rdf",javascript2rdf0);
delete javascript2rdf0;

function javascript2rdf1(returnConditions)
{
    function javascript2rdfLoad(subject){
        if (subject.termType!='symbol') return false;
        if (string_startswith(subject.uri,"javascript:")){ 
            if(RDFizers["javascript2rdf"].load(subject.uri)) return [true,true];
            return [true,false];
        }
        return false;
    }
    returnConditions.push(javascript2rdfLoad);
}
SourceOptions["javascript2rdf"].addMoreCode(javascript2rdf1);
delete javascript2rdf1;

function javascript2rdf2(URITitlesToStop)
{
    if(URITitlesToStop.length==0) URITitlesToStop.push("javascript:");
}
SourceOptions["javascript2rdf"].addMoreCode(javascript2rdf2);
delete javascript2rdf2;

//tabulator internal terms
function temp_TIT(returnConditions)
{
    function tabulatorTermPanel(subject){
        if (subject.termType!='symbol') return false;
        if (string_startswith(subject.uri,"tabulator:")) return true;
        return false;
    }
}
SourceOptions.addOption("tabulator internal terms",temp_TIT);
delete temp_TIT;

//seeAlso not internal
SourceOptions.addOption("seeAlso not internal");

/**
  * Display Options
  **/
var DisplayOptions=new OptionCollection();


//display:block on
function temp_DO(tr,j,k,dups,td_p,plist,sel,inverse,parent,myDocument,thisOutline){
var s;
var defaultpropview;


		tr.showNobj = function(n){
		    var show = ((2*n) < (k-dups)) ? n : (k-dups);
		    var showLaterArray = [];
		    if ((k-dups) != 1) {
			td_p.setAttribute('rowspan', (show == (k-dups)) ? 2 : 3);
			var l;
			if ((show < k-dups) && (show == 1)){
			    td_p.setAttribute('rowspan', 2);
			}
			for(l=1; l<k; l++) {
			    if (!sel(plist[j+l]).sameTerm(sel(plist[j+l-1]))) {
				s = plist[j+l];
				var trobj = myDocument.createElement("TR");
				trobj.style.colspan='1';
				trobj.appendChild(thisOutline.outline_objectTD(sel(plist[j+l]), defaultpropview)); //property view
				trobj.AJAR_statement = s;
				trobj.AJAR_inverse = inverse;
				parent.appendChild(trobj);
				trobj.style.display = 'none';
				if (l<show){
				    trobj.style.display='block';
				} else {
				    showLaterArray.push(trobj);
				}
			    }
			}
		    }
	
		    if (show < (k-dups)){ //didn't show every obj
			// special case if show == 1 (case that wasn't covered above)
			// since adding moreTD html cell, still need to expand td_p to accommodate
			// add the '... more' cell here for now
			var moreTR = myDocument.createElement('TR');
			var moreTD = moreTR.appendChild(myDocument.createElement('TD'));
	
			if (k-dups > n){
			    var small = myDocument.createElement('a');		    
			    moreTD.appendChild(small);
	
	
			    var predtoggle = (function(f){return f(td_p, k, dups, n);})(function(td_p, k, dups, n){
				return function(display){
				    // empty small
				    small.innerHTML = '';
				    if (display == 'none') {
					small.appendChild(AJARImage(Icon.src.icon_more, 'more', 'See all'))
					small.appendChild( myDocument.createTextNode((k-dups-n) + ' more...'));
				    } else {
					small.appendChild(AJARImage(Icon.src.icon_shrink, '(less)'))
	//				small.appendChild(myDocument.createTextNode(' shrink'));
				    }
				    for (var i=0; i<showLaterArray.length; i++){
					var trobj = showLaterArray[i];
					trobj.style.display = display;
				    //td_p.setAttribute('rowspan', parseInt(td_p.getAttribute('rowspan')) + 1);
				    // for some reason, setting the display attribute to 'block'
				    // somehow stretches td_p to the right dimensions?! without changing the rowspan.
				    }
				}
			    }); // For Great Scoping.
			    var current = 'none';
			    var toggleObj = function(event){
				predtoggle(current);
				current = (current == 'none')? 'block':'none';
				if (event) event.stopPropagation();
				return false;
			    }
			    toggleObj();		    
			    small.addEventListener('click', toggleObj, false); 
			}
			parent.appendChild(moreTR);
		    }
		} //tr.showNobj

}
DisplayOptions.addOption("display:block on",temp_DO);
delete temp_DO;

/**
  * Preferences
  **/
//HCIoptions["right click to switch mode"].enable();
// HCIoptions["able to edit in Discovery Mode by mouse"].enable(); // not used 
//HCIoptions["favorite dock"].enabled=true;
//HCIoptions["bottom insert highlights"].enable();

//##Enable this to play with javascript:variableName
//'javascript:document' is not working fine but 'javascript:document.firstChild' is OK
SourceOptions["javascript2rdf"].enable();
SourceOptions["tabulator internal terms"].enable();
//SourceOptions["seeAlso not internal"].enable();

//DisplayOptions["outliner rotate left"].enable();
//DisplayOptions["display:block on"].enable();

//ToDo:
//0.Able to query OptionCollections
//1.SourceOptions, ShowingOptions
//2.Someone's preference, option dependency


/* Instances Approach
function HCIoption(){ //{class HCIoption} HCI:Human Computer Interaction
    //register "is rdf:type of"
    this.constructor.instances.push();
}
HCIoption.instances=[];
*/


HCIoptions["right click to switch mode"][2].setupHere([],"end of configuration.js");
SourceOptions["javascript2rdf"][0].setupHere([],"end of configuration.js");
///////////////////////////////////end of configurauration.js