function draw1Circle(ctx , x , y , color) {
    // console.log('FUN t.minimap:draw1Circle')
    ctx.strokeStyle = '#000';
    ctx.lineWidth = 1;
    ctx.fillStyle = color;
    ctx.globalAlpha = 0.5;

    ctx.beginPath();
    ctx.arc(x, y, 10, 0, Math.PI * 2, true);
    ctx.closePath();
    ctx.fill();
    ctx.stroke();
}


function trackMouse() {
    // console.log('FUN t.minimap:trackMouse')
    if(!shift_key) {
        // $.doTimeout(300,function (){
            var ctx = partialGraph._core.domElements.mouse.getContext('2d');
            ctx.globalCompositeOperation = "source-over";
            ctx.clearRect(0, 0, partialGraph._core.domElements.nodes.width, partialGraph._core.domElements.nodes.height);

            x = partialGraph._core.mousecaptor.mouseX;
            y = partialGraph._core.mousecaptor.mouseY;

            ctx.strokeStyle = '#000';
            ctx.lineWidth = 1;
            ctx.fillStyle = "#71C3FF";
            ctx.globalAlpha = 0.5;
            ctx.beginPath();

            if(partialGraph._core.mousecaptor.ratio>showLabelsIfZoom){
                for(var i in partialGraph._core.graph.nodesIndex){
                        n=partialGraph._core.graph.nodesIndex[i];
                        if(n.hidden==false){
                            distance = Math.sqrt(
                                Math.pow((x-parseInt(n.displayX)),2) +
                                Math.pow((y-parseInt(n.displayY)),2)
                                );
                            if(parseInt(distance)<=cursor_size) {
                                partialGraph._core.graph.nodesIndex[i].forceLabel=true;
                            } else {
                                if(typeof(n.neighbour)!=="undefined") {
                                    if(!n.neighbour) partialGraph._core.graph.nodesIndex[i].forceLabel=false;
                                } else partialGraph._core.graph.nodesIndex[i].forceLabel=false;
                            }
                        }
                }
                if(partialGraph.forceatlas2 && partialGraph.forceatlas2.count<=1) {
                    partialGraph.draw(2,2,2);
                }
            } else {
                for(var i in partialGraph._core.graph.nodesIndex){
                    n=partialGraph._core.graph.nodesIndex[i];
                    if(!n.hidden){
                        partialGraph._core.graph.nodesIndex[i].forceLabel=false;
                        if(typeof(n.neighbour)!=="undefined") {
                            if(!n.neighbour) partialGraph._core.graph.nodesIndex[i].forceLabel=false;
                            else partialGraph._core.graph.nodesIndex[i].forceLabel=true;
                        } else partialGraph._core.graph.nodesIndex[i].forceLabel=false;
                    }
                }
                if(partialGraph.forceatlas2 && partialGraph.forceatlas2.count<=1) {
                    partialGraph.draw(2,2,2);
                }
            }
            ctx.arc(x, y, cursor_size, 0, Math.PI * 2, true);
            //ctx.arc(partialGraph._core.width/2, partialGraph._core.height/2, 4, 0, 2 * Math.PI, true);/*todel*/
            ctx.closePath();
            ctx.fill();
            ctx.stroke();
        // });
    }
};

function changeGraphPosition(evt, echelle) {
    // console.log('FUN t.minimap:changeGraphPosition')
    document.body.style.cursor = "move";
    var _coord = {
        x : evt.pageX,
        y : evt.pageY
    };
    console.log("changeGraphPosition... cordx: "+_coord.x+" - cordy: "+_coord.y);
    partialGraph.centreX += ( partialGraph.lastMouse.x - _coord.x ) / echelle;
    partialGraph.centreY += ( partialGraph.lastMouse.y - _coord.y ) / echelle;
    partialGraph.lastMouse = _coord;
}

function onOverviewMove(evt) {
    // console.log('FUN t.minimap:onOverviewMove')
    /*
     pageX: 1247   pageY: 216
     screenX: 1188  screenY: 307

     pageX: 1444    pageY: 216
     screenX: 1365  screenY: 307
     */

    if (partialGraph.dragOn) {
        changeGraphPosition(evt,-overviewScale);
    }
}

function startMove(evt){
    // console.log('FUN t.minimap:startMove')
    evt.preventDefault();
    partialGraph.dragOn = true;
    partialGraph.lastMouse = {
        x : evt.pageX,
        y : evt.pageY
    }
    partialGraph.mouseHasMoved = false;
}

function endMove(evt){
    // console.log('FUN t.minimap:endMove')
    document.body.style.cursor = "default";
    partialGraph.dragOn = false;
    partialGraph.mouseHasMoved = false;
}

function onGraphScroll(evt, delta) {
    // console.log('FUN t.minimap:onGraphScroll')
    $("#zoomSlider").slider("value",partialGraph.position().ratio);
    // partialGraph.totalScroll += delta;
    // if (Math.abs(partialGraph.totalScroll) >= 1) {
    //     if (partialGraph.totalScroll < 0) {
    //         //ZoomOUT
    //         if (partialGraph.position().ratio > sigmaJsMouseProperties.minRatio) {
    //             //partialGraph.zoomTo(partialGraph._core.width / 2, partialGraph._core.height / 2, partialGraph._core.mousecaptor.ratio * 0.5);
    //             //var _el = $(this),
    //             //_off = $(this).offset(),
    //             //_deltaX = evt.pageX - _el.width() / 2 - _off.left,
    //             //_deltaY = evt.pageY - _el.height() / 2 - _off.top;
    //             var
    //             mx=evt.offsetX,
    //             my=evt.offsetY;
    //             partialGraph.centreX=mx*((partialGraph._core.width-1)/(overviewWidth)),
    //             partialGraph.centreY=my*((partialGraph._core.height-1)/(overviewHeight));

    //             //                console.log("mx: "+mx+" - my: "+ my);
    //             //                console.log("cx: "+cx+" - cy: "+ cy);
    //             //                partialGraph.centreX =cx;
    //             //                partialGraph.centreY =cy;
    //             partialGraph.zoomTo(partialGraph.centreX, partialGraph.centreY, partialGraph._core.mousecaptor.ratio * 0.5);
    //             //                partialGraph.centreX -= ( Math.SQRT2 - 1 ) * _deltaX / partialGraph.echelleGenerale;
    //             //                partialGraph.centreY -= ( Math.SQRT2 - 1 ) * _deltaY / partialGraph.echelleGenerale;
    //             //                partialGraph.zoomTo(partialGraph._core.width / 2, partialGraph._core.height / 2, partialGraph._core.mousecaptor.ratio * 0.5);
    //             $("#zoomSlider").slider("value",partialGraph.position().ratio);
    //         }
    //     } else {
    //         //ZoomIN
    //         if (partialGraph.position().ratio < sigmaJsMouseProperties.maxRatio) {
    //             //                partialGraph.zoomTo(partialGraph._core.width / 2, partialGraph._core.height / 2, partialGraph._core.mousecaptor.ratio * 1.5);
    //             //                partialGraph.echelleGenerale = Math.pow( Math.SQRT2, partialGraph.position().ratio );
    //             //var _el = $(this),
    //             //_off = $(this).offset(),
    //             //_deltaX = evt.pageX - _el.width() / 2 - _off.left,
    //             //_deltaY = evt.pageY - _el.height() / 2 - _off.top;
    //             var
    //             mx=evt.offsetX,
    //             my=evt.offsetY;
    //             partialGraph.centreX=mx*((partialGraph._core.width-1)/(overviewWidth)),
    //             partialGraph.centreY=my*((partialGraph._core.height-1)/(overviewHeight));

    //             //                console.log("mx: "+mx+" - my: "+ my);
    //             //                console.log("cx: "+cx+" - cy: "+ cy);
    //             //                partialGraph.centreX =cx;
    //             //                partialGraph.centreY =cy;
    //             partialGraph.zoomTo(partialGraph.centreX, partialGraph.centreY, partialGraph._core.mousecaptor.ratio * 1.5);
    //             $("#zoomSlider").slider("value",partialGraph.position().ratio);
    //         }
    //     }
    //     partialGraph.totalScroll = 0;
    // }
}

function initializeMap() {
    // console.log('FUN t.minimap:initializeMap')
    clearInterval(partialGraph.timeRefresh);
    partialGraph.oldParams = {};

    if(minimap){
        $("#overviewzone").css({
            width : overviewWidth + "px",
            height : overviewHeight + "px"
        });
        $("#overview").attr({
            width : overviewWidth,
            height : overviewHeight
        });
        partialGraph.timeRefresh = setInterval(traceMap,60);
    }
}

function updateMap(){
    // console.log('FUN t.minimap:updateMap')
    if(minimap){
        partialGraph.imageMini="";
        partialGraph.ctxMini="";
        partialGraph.ctxMini = document.getElementById('overview').getContext('2d');
        partialGraph.ctxMini.clearRect(0, 0, overviewWidth, overviewHeight);

        partialGraph.iterNodes(function(n){
            if(n.hidden==false){
                partialGraph.ctxMini.fillStyle = n.color;
                partialGraph.ctxMini.beginPath();
                numPosibilidades = 2.5 - 0.9;
                aleat = Math.random() * numPosibilidades;
                partialGraph.ctxMini.arc(((n.displayX/1.2)-200)*0.25 , ((n.displayY/1.2)+110)*0.25 , (0.9 + aleat)*0.25+1 , 0 , Math.PI*2 , true);
                //        //console.log(n.x*1000 +" * 0.25"+" _ "+ n.y*1000 +" * 0.25"+" _ "+ (0.9 + aleat) +" * 0.25 + 1");
                //
                partialGraph.ctxMini.closePath();
                partialGraph.ctxMini.fill();
            }
        //
        });
        partialGraph.imageMini = partialGraph.ctxMini.getImageData(0, 0, overviewWidth, overviewHeight);
    }
}

function traceMap() {
    // console.log('FUN t.minimap:traceMap')
    //pr("\ttracingmap");
    partialGraph.echelleGenerale = Math.pow( Math.SQRT2, partialGraph.position().ratio );
    partialGraph.ctxMini.putImageData(partialGraph.imageMini, 0, 0);

    var _r = 0.25 / partialGraph.echelleGenerale,
    cx =  partialGraph.centreX,
    cy =  partialGraph.centreY,
    _w = _r * partialGraph._core.width,
    _h = _r * partialGraph._core.height;
    partialGraph.ctxMini.strokeStyle = "rgb(220,0,0)";
    partialGraph.ctxMini.lineWidth = 3;
    partialGraph.ctxMini.fillStyle = "rgba(120,120,120,0.2)";
    partialGraph.ctxMini.beginPath();
    partialGraph.ctxMini.fillRect( cx-_w/2, cy-_h/2, _w, _h );
    partialGraph.ctxMini.strokeRect( cx-_w/2, cy-_h/2, _w, _h );
    partialGraph.ctxMini.closePath();
}

function startMiniMap(){
    // console.log('FUN t.minimap:startMiniMap')
    if(minimap){
        partialGraph.ctxMini = document.getElementById('overview').getContext('2d');
        partialGraph.ctxMini.clearRect(0, 0, overviewWidth, overviewHeight);
        partialGraph.totalScroll=0;
        partialGraph.centreX = partialGraph._core.width/2;
        partialGraph.centreY = partialGraph._core.heigth/2;
    }
}