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lib.js
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function reset(ar)
{
for (var i in ar) return ar[i];
};
// If current editor is set to edit State Machines, return valSM
// If current editor is set to edit Procedures, return valPR
// If current editor is set to edit something else, print message
function editorSwitch(valSM, valPR, eType)
{
if (!eType) eType=g.fwprop.editorType;
switch (eType)
{
case 'Sm':
return valSM;
case 'Pr':
return valPR;
default:
msg("Current editor type is not set properly, that may indicate an internal application error. This should never happen. Further work may lead to undefined results.","error");
return;
}
}
// return true if editor is set to SM or PR respectively
function editorIsSM(eType) { return editorSwitch(true,false,eType); }
function editorIsPR(eType) { return editorSwitch(false,true,eType); }
function htmlspecialchars(text)
{
text=text+"";
var map = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": '''
};
return text.replace(/[&<>"']/g, function(m) { return map[m]; }); //"
}
function extraSpacing(state,rad)
{
// this crazy stuff is just a quick approximation, needed to make the transition arrow to float nicely around choice pseudo state
if (state.fwprop && state.fwprop.type=='choice') return 10-40*Math.abs(Math.sqrt(Math.abs(Math.sin(rad)*Math.cos(rad)))*Math.sin(rad)*Math.cos(rad));
else return 0;
}
// returns an array of transition coordinates from the start to the end including intermediate vertexes
function full_coordinates(conn)
{
var coord=[];
var i=0;
var spacing=5;
var arrowsize=3;
var start,end,rad;
var s1=conn.stateFrom;
var s2=conn.stateTo;
var x1=s1.attr("x")-spacing,
y1=s1.attr("y")-spacing,
x2=s2.attr("x")-spacing-arrowsize,
y2=s2.attr("y")-spacing-arrowsize,
w1=s1.attr("width")+2*spacing,
h1=s1.attr("height")+2*spacing,
w2=s2.attr("width")+2*spacing+2*arrowsize,
h2=s2.attr("height")+2*spacing+2*arrowsize;
if (conn.movingCoord && !$.isEmptyObject(conn.movingCoord))
{
if (conn.movingEnd)
{
x2=conn.movingCoord.x;
y2=conn.movingCoord.y;
w2=0;
h2=0;
}
else
{
x1=conn.movingCoord.x;
y1=conn.movingCoord.y;
w1=0;
h1=0;
}
}
if (conn.vertexes.length>0)
{
rad=Raphael.rad(Raphael.angle(x1+w1/2,y1+h1/2,conn.vertexes[0].x,conn.vertexes[0].y));
start = angle_spot(x1 - extraSpacing(s1,rad), y1 - extraSpacing(s1,rad), w1 + 2*extraSpacing(s1,rad), h1 + 2*extraSpacing(s1,rad), (rad + Math.PI) % (2 * Math.PI));
rad=Raphael.rad(Raphael.angle(conn.vertexes[conn.vertexes.length-1].x,conn.vertexes[conn.vertexes.length-1].y,x2+w2/2,y2+h2/2));
end = angle_spot(x2 - extraSpacing(s2,rad), y2 - extraSpacing(s2,rad), w2 + 2*extraSpacing(s2,rad), h2 + 2*extraSpacing(s2,rad), rad);
}
else
{
// if we are not using any vertexes, join objects from centers if they overlap or are too close
if ( (x2 >= x1 && x2 <= x1+w1 && y2 >= y1 && y2 <= y1+h1) ||
(x2+w2 >= x1 && x2+w2 <= x1+w1 && y2 >= y1 && y2 <= y1+h1) ||
(x2+w2 >= x1 && x2+w2 <= x1+w1 && y2+h2 >= y1 && y2+h2 <= y1+h1) ||
(x2 >= x1 && x2 <= x1+w1 && y2+h2 >= y1 && y2+h2 <= y1+h1) ||
(x1 >= x2 && x1 <= x2+w2 && y1 >= y2 && y1 <= y2+h2) ||
(x1+w1 >= x2 && x1+w1 <= x2+w2 && y1 >= y2 && y1 <= y2+h2) ||
(x1+w1 >= x2 && x1+w1 <= x2+w2 && y1+h1 >= y2 && y1+h1 <= y2+h2) ||
(x1 >= x2 && x1 <= x2+w2 && y1+h1 >= y2 && y1+h1 <= y2+h2) )
{
x1=x1+w1/2; y1=y1+h1/2; x2=x2+w2/2; y2=y2+h2/2;
w1=1; h1=1; w2=1; h2=1;
}
rad=Raphael.rad(Raphael.angle(x1+w1/2,y1+h1/2,x2+w2/2,y2+h2/2));
start = angle_spot(x1 - extraSpacing(s1,rad), y1 - extraSpacing(s1,rad), w1 + 2*extraSpacing(s1,rad), h1 + 2*extraSpacing(s1,rad), (rad + Math.PI) % (2 * Math.PI));
end = angle_spot(x2 - extraSpacing(s2,rad), y2 - extraSpacing(s2,rad), w2 + 2*extraSpacing(s2,rad), h2 + 2*extraSpacing(s2,rad), rad);
}
coord.push({x: start[0], y: start[1]});
for (i=0; i<conn.vertexes.length; i++) coord.push({x: conn.vertexes[i].x, y: conn.vertexes[i].y});
coord.push({x: end[0], y: end[1]});
return coord;
}
function arrow_path_string()
{
return "M10,-1L0,5L10,11L7,6L7,4z"
}
// calculate spot on element which is going to be starting / ending point of transition path
function angle_spot(x, y, w, h, rad)
{
var cang = Math.atan(h/w);
var dxy = new Array(2);
if (rad > 2*Math.PI-cang || rad < cang)
{
dxy[0] = x + w;
dxy[1] = y + h/2 + Math.tan(rad) * w/2;
}
else if (rad >= cang && rad <= (Math.PI - cang))
{
dxy[0] = x + w/2 + Math.tan(Math.PI / 2 - rad) * h/2;
dxy[1] = y + h;
}
else if (rad > (Math.PI - cang) && rad < (Math.PI + cang))
{
dxy[0] = x;
dxy[1] = y + h/2 - Math.tan(rad) * w/2;
}
else
{
dxy[0] = x + w/2 - Math.tan(Math.PI/2 - (rad - Math.PI)) * h/2;
dxy[1] = y;
}
return dxy;
}
// ------------------------------------
// functions for calculation of length on transtition arrow on mouseover
// ------------------------------------
// linear algebra projection needs a line which is 90 degrees rotated of the original direction
function rotateOrigin(x,y,angle)
{
var rotxy = new Array();
var radangle = Raphael.rad(angle);
rotxy[0] = Math.cos(radangle)*x+Math.sin(radangle)*y;
rotxy[1] = Math.cos(radangle)*y-Math.sin(radangle)*x;
return rotxy;
}
// returns best approximation of length of given zigzag line (defined by dots) to the x/y mouse coordinates
function getLengthAtPoint(dots, x, y)
{
var diff = 10000;
var xsect_d = new Array();
var length = 0;
var length_und = 0;
for(var n = 0; n < dots.length-1; n++)
xsect_d[n] = new Array();
for(var a = 0; a < dots.length-1; a++)
{
var angle = Raphael.angle(dots[a+1].x,dots[a+1].y,dots[a].x,dots[a].y);
var pt1 = rotateOrigin(dots[a].x,dots[a].y,angle);
var pt2 = rotateOrigin(x,y,angle);
var xsect = rotateOrigin(pt2[0],pt1[1],-1*angle);
if(!(Math.max(dots[a].x,dots[a+1].x) +.1 >= xsect[0] && Math.min(dots[a].x,dots[a+1].x) -.1 <= xsect[0] && Math.max(dots[a].y,dots[a+1].y) +.1 >= xsect[1] && Math.min(dots[a].y,dots[a+1].y) -.1 <= xsect[1]))
{
var dist1 = Math.sqrt(Math.pow(dots[a].x-x,2)+Math.pow(dots[a].y-y,2));
var dist2 = Math.sqrt(Math.pow(dots[a+1].x-x,2)+Math.pow(dots[a+1].y-y,2));
if(dist1 < dist2)
{
xsect[0] = dots[a].x;
xsect[1] = dots[a].y;
}
else
{
xsect[0] = dots[a+1].x;
xsect[1] = dots[a+1].y;
}
}
xsect_d[a][0] = xsect[0];
xsect_d[a][1] = xsect[1];
xsect_d[a][2] = Math.sqrt(Math.pow(xsect[0]-x,2)+Math.pow(xsect[1]-y,2));
}
for(var t = 0; t < dots.length-1; t++)
{
length_und += Math.sqrt(Math.pow(dots[t].x-xsect_d[t][0],2)+Math.pow(dots[t].y-xsect_d[t][1],2));
if(xsect_d[t][2] < diff)
{
length += length_und;
length_und = 0;
diff = xsect_d[t][2];
}
length_und += Math.sqrt(Math.pow(dots[t+1].x-xsect_d[t][0],2)+Math.pow(dots[t+1].y-xsect_d[t][1],2));
}
return length;
}
function str_repeat(s,n)
{
// way faster than for() cycle
return new Array(Math.floor(n+1)).join(s);
}
// -------------------------------------------
//
// new state element
//
// -------------------------------------------
function newstate(type,x,y)
{
var n,m; var bbox; end=false;
x+=g.paperPanX;
y+=g.paperPanY;
var nextID=getNextStateAutoID(type);
switch (type)
{
case "state":
n=g.states.push(paper.rect(x,y, 100, editorSwitch(100,30), 10).attr({fill: "#fff", "stroke-width": 1, "stroke": "#666", "fill-opacity": 100 }).transform("t0.5,0.5"));
break;
case "choice":
n=g.states.push(paper.rect(x,y, editorSwitch(30,24),editorSwitch(30,24)).attr({fill: "#fff", "stroke-width": 1, "stroke": "#666", "fill-opacity": 100 }).transform("r45t0.5,0.5"));
break;
case "init":
n=g.states.push(paper.rect(x,y,30,30,15).attr({fill: "#fff", "stroke-width": 1, "stroke": "#666", "fill-opacity": 100 }).transform("t0.5,0.5"));
break;
case "final":
n=g.states.push(paper.rect(x,y,26,26,13).attr({fill: "#000", "stroke-width": 1, "stroke": "#000", "fill-opacity": 100 }).transform("t0.5,0.5"));
break;
case "note":
n=g.states.push(paper.rect(x,y, 100, 33, 0).attr({fill: "#fff", "stroke-width": 1, "stroke": "#666", "fill-opacity": 100, 'stroke-dasharray': '--' }).transform("t0.5,0.5"));
break;
case "notedot":
n=g.states.push(paper.rect(x,y,6,6,6).attr({fill: "#000", "stroke-width": 1, "stroke": "#000", "fill-opacity": 100 }).transform("t0.5,0.5"));
}
g.states[n-1].fwprop={};
g.states[n-1].fwprop.autoid=nextID;
g.states[n-1].fwprop.type=type;
g.states[n-1].fwprop.note="";
g.states[n-1].parentState=false;
switch (type)
{
case "state":
g.states[n-1].text=paper.text(x,y, "").attr({"font-size": 10, "cursor": "default", "text-anchor":"start"});
g.states[n-1].text.parent=g.states[n-1];
g.states[n-1].text.drag(statedragmove,statedragstart,statedragup);
g.states[n-1].text.dblclick(editboxOn);
if (editorIsSM())
{
g.states[n-1].underline=paper.path("M0,0").attr({"fill":"#000"});
g.states[n-1].underline.parent=g.states[n-1];
g.states[n-1].underline.drag(statedragmove,statedragstart,statedragup);
g.states[n-1].underline.dblclick(editboxOn);
}
g.states[n-1].fwprop.identifier=editorSwitch("STATE","NODE")+nextID;
g.states[n-1].fwprop.entryFunc="";
g.states[n-1].fwprop.doFunc="";
g.states[n-1].fwprop.exitFunc="";
g.states[n-1].fwprop.entryType="function";
g.states[n-1].fwprop.doType="function";
g.states[n-1].fwprop.exitType="function";
g.states[n-1].fwprop.entryCode="";
g.states[n-1].fwprop.doCode="";
g.states[n-1].fwprop.exitCode="";
g.states[n-1].fwprop.entryDesc="";
g.states[n-1].fwprop.doDesc="";
g.states[n-1].fwprop.exitDesc="";
updateStateText(g.states[n-1]);
break;
case "choice":
g.states[n-1].fwprop.identifier=editorSwitch("CHOICE","DECISION")+nextID;
break;
case "init":
break;
case "final":
break;
case "note":
g.states[n-1].text=paper.text(x,y, "").attr({"font-size": 10, "cursor": "default", "text-anchor":"start"});
g.states[n-1].text.parent=g.states[n-1];
g.states[n-1].text.drag(statedragmove,statedragstart,statedragup);
g.states[n-1].text.dblclick(editboxOn);
updateStateText(g.states[n-1]);
break;
}
g.states[n-1].drag(statedragmove,statedragstart,statedragup);
g.states[n-1].dblclick(editboxOn);
g.states[n-1].mousemove(statemousemove);
return g.states[n-1];
}
function addNoteConnector()
{
if (g.selected.length!=1) return;
var state=g.selected[0];
if (!stateIsNote(state)) return;
var dot=newstate('notedot',state.attr("x")+Math.floor(Math.random()*state.attr("width")),state.attr("y")+state.attr("height")+50+Math.floor(Math.random()*50));
connect(state,dot);
}
function filterOutRemovedStates() // remove from states array all empty (deleted) states
{
var i;
for (i=0; i<g.states.length; i++)
{
if (g.states[i].removed)
g.states.splice(i--,1);
}
}
function getConnectionsIndex(obj)
{
var i;
for (i=0; i<g.connections.length; i++)
if (g.connections[i].id===obj.id) return i;
return false;
}
function destroySelectors()
{
if (g.connector) { g.connector.remove(); g.connector=false; }
if (g.connectorArrow) { g.connectorArrow.arrowend.remove(); g.connectorArrow.remove(); g.connectorArrow=false; }
if (g.enlarger) { g.enlarger.remove(); g.enlarger=false; }
}
function deleteConnection(i)
{
reorderTransitions(g.connections[i].stateFrom, g.connections[i].fwprop.order, countOutgoingTransitions(g.connections[i].stateFrom) );
g.connections[i].arrowend.remove();
g.connections[i].text.remove();
g.connections[i].remove();
g.connections.splice(i,1);
g.selectedCon=false;
}
// function optimized to delete all states and connections at once
function deleteAllStates()
{
var i;
for(i=0;i<g.states.length;i++)
{
if (g.states[i].text) g.states[i].text.remove();
if (g.states[i].underline) g.states[i].underline.remove();
g.states[i].remove();
}
for(i=0;i<g.connections.length;i++)
{
g.connections[i].text.remove();
g.connections[i].arrowend.remove();
g.connections[i].remove();
}
g.states=[];
g.connections=[];
g.selected=[];
g.selectedCon=false;
}
function deleteState(state)
{
// make sure there is nothing left
destroySelectors();
var dots=findConnectionTargets(state);
var i;
for (i=0; i<g.connections.length; i++)
if (g.connections[i].stateFrom.id===state.id || g.connections[i].stateTo.id===state.id)
deleteConnection(i--);
if (state.text) state.text.remove();
if (state.underline) state.underline.remove();
if (stateIsNote(state) && dots.length>0)
for (i=0; i<dots.length; i++)
dots[i].remove();
state.remove();
filterOutRemovedStates();
refreshConnections();
}
function deleteSelectedStates()
{
var i;
for (i=0; i<g.selected.length; i++)
deleteState(g.selected[i]);
g.selected=[];
refreshToolbars();
}
function deleteSelectedConnection()
{
if (g.selectedCon)
{
if (stateIsNoteDot(g.selectedCon.stateTo)) deleteState(g.selectedCon.stateTo);
else deleteConnection(getConnectionsIndex(g.selectedCon));
}
refreshConnections();
refreshToolbars();
}
function connectionIndex(s1,s2)
{
var i;
for (i=0; i<g.connections.length; i++)
{
if (g.connections[i].stateFrom.id===s1.id && g.connections[i].stateTo.id===s2.id)
return i;
}
return false;
}
function isConnected(s1,s2)
{
return connectionIndex(s1,s2)!==false;
}
function findConnectionSource(target)
{
var i;
for (i=0; i<g.states.length; i++)
if (isConnected(g.states[i],target))
return g.states[i];
return false;
}
function findConnectionTargets(source)
{
var i;
var ret=[];
for (i=0; i<g.states.length; i++)
if (isConnected(source,g.states[i]))
ret.push(g.states[i]);
return ret;
}
function connectionsCountFrom(state)
{
var i, res=0;
for (i=0; i<g.connections.length; i++)
if (g.connections[i].stateFrom.id==state.id) res++;
return res;
}
// -------------------------------------------
// connect one state with other one by an arrow
// -------------------------------------------
function connect(s1,s2,tshiftx,tshifty,verts,sh)
{
if (editorIsSM())
{
if (s2.fwprop.type=='init') { msg("Initial state doesn't accept incomming transitions","error"); return false; }
if (s2.fwprop.type==s1.fwprop.type && s1.fwprop.type=='choice') { msg("The source and target of a transition cannot both be choice pseudo-states","error"); return false; }
if (s1.fwprop.type=='init' && connectionsCountFrom(s1)>0) { msg("Only one transition is allowed from initial state","error"); return false; }
if (s1.fwprop.type=='init' && s2.fwprop.type=='final') { msg("Transition from initial to final state makes no sense","error"); return false; }
}
if (editorIsPR())
{
if (s2.fwprop.type=='init') { msg("Initial node doesn't accept incomming control flow","error"); return false; }
if (s1.fwprop.type=='init' && connectionsCountFrom(s1)>0) { msg("Only one control flow is allowed from initial node","error"); return false; }
if (s1.fwprop.type=='state' && connectionsCountFrom(s1)>0) { msg("Only one control flow is allowed from action node","error"); return false; }
if (s1.fwprop.type=='init' && s2.fwprop.type=='final') { msg("Transition from initial to final node makes no sense","error"); return false; }
}
var order=getNextOrderID(s1);
var m=g.connections.push(paper.path("M0,0").attr({"stroke-width": 2, "stroke-linecap": "round", "stroke-linejoin": "round", color: '#000'})); // dummy path, will be updated later
g.connections[m-1].stateFrom=s1;
g.connections[m-1].stateTo=s2;
g.connections[m-1].coord=[]; // last known coordinates for full transition path, in {x,y} pairs
if (!verts) verts=[];
g.connections[m-1].vertexes=verts; // relative coordinates of points through which the arrow passes, array of {x,y} pairs
if (!sh) sh={x:0,y:0};
g.connections[m-1].shiftxy=sh; // relative shift of connection arrow
g.connections[m-1].fwprop={};
g.connections[m-1].fwprop.order=order;
g.connections[m-1].fwprop.identifier= editorSwitch( s1.fwprop.type=='state' ? "Trigger"+getNextTriggerAutoID() : "" ,"");
g.connections[m-1].fwprop.guardFunc = editorSwitch( s1.fwprop.type=='choice' ? 'Guard'+getNextGuardAutoID() : "" ,"");
g.connections[m-1].fwprop.actionFunc= editorSwitch( s1.fwprop.type=='init' ? 'Action'+getNextActionAutoID() : "" ,"");
g.connections[m-1].fwprop.guardType="function";
g.connections[m-1].fwprop.actionType="function";
g.connections[m-1].fwprop.guardCode="";
g.connections[m-1].fwprop.actionCode="";
// make connection's label somewhere on the paper, coordinates will update later
g.connections[m-1].shiftx= tshiftx ? tshiftx : 0;
g.connections[m-1].shifty= tshifty ? tshifty : 0;
g.connections[m-1].arrowend=paper.path(arrow_path_string()).attr({color: '#000', fill: '#000'});
g.connections[m-1].arrowend.parentPath=g.connections[m-1];
g.connections[m-1].arrowend.mousemove(mouseOverArrow);
g.connections[m-1].arrowend.drag(shifterdragmove,shifterdragstart,shifterdragend);
g.connections[m-1].arrowend.dblclick(editboxOn);
g.connections[m-1].text=paper.text(0,0,"").attr({"cursor": "move"});
g.connections[m-1].text.parent=g.connections[m-1];
g.connections[m-1].drag(labeldragmove,labeldragstart,labeldragup); // to handle click for selection
g.connections[m-1].dblclick(editboxOn);
g.connections[m-1].mouseover(mouseOverArrow);
g.connections[m-1].mousemove(mouseOverArrow);
g.connections[m-1].text.drag(labeldragmove,labeldragstart,labeldragup);
g.connections[m-1].text.dblclick(editboxOn);
// now update the connection on screen
refreshConnection(m-1);
return g.connections[m-1];
}
function selfConnect(state)
{
var i;
if (!state)
{
for(i=0;i<g.selected.length;i++)
if (g.selected[i].fwprop.type=='state')
{
state=g.selected[i];
break;
}
}
if (!state) return;
var X=state.attr("x"),
Y=state.attr("y");
connect(state,state,20,-15,[{x:X-20,y:Y+10},{x:X+10,y:Y-20}]);
}
function refreshBackground()
{
paper.setViewBox(g.paperPanX,g.paperPanY, paper.width*g.zoom, paper.height*g.zoom, false);
g.bg.attr({x: g.paperPanX, y: g.paperPanY, width: paper.width, height: paper.height});
}
function paperScroll(e)
{
var delta = e.type=="mousewheel" ? e.originalEvent.wheelDelta : -e.originalEvent.detail;
g.paperPanY -= delta > 0 ? 60 : -60;
refreshBackground();
}
function doZoom(zoom,x,y)
{
g.paperPanX-=x-x*g.zoom;
g.paperPanY-=y-y*g.zoom;
g.zoom=zoom;
g.paperPanX+=x-x*g.zoom;
g.paperPanY+=y-y*g.zoom;
if (g.selectionbox) g.selectionbox.attr({opacity: zoom/8});
refreshBackground();
}
function snap_area(snapx,snapy, reqcx,reqcy, snap)
{
if (!snap) snap=10;
var x=0,y=0;
if (Math.abs(snapx-reqcx)<snap) x=snapx-reqcx;
if (Math.abs(snapy-reqcy)<snap) y=snapy-reqcy;
return [x,y];
}
function build_path_string(dots)
{
var path = "";
for (var i=0; i<dots.length;i++) path = path + (i<1 ? "M" : "L") + dots[i].x + "," + dots[i].y;
return path;
}
function lastPoint(coord,dx,dy)
{
return (coord[coord.length-1].x+dx)+","+(coord[coord.length-1].y+dy);
}
function lastPointAngle(coord)
{
return Raphael.angle(coord[coord.length-2].x,coord[coord.length-2].y,coord[coord.length-1].x,coord[coord.length-1].y);
}
function window_open(url,id,forceExternal)
{
if (isChromeApp() && !forceExternal)
{
// open help in a single window all the time
if (id=='help')
{
chrome.app.window.create(url,{"id":"help","bounds":{"width":window.screen.availWidth/2,"height":window.screen.availHeight/2}},
function(w) { if (w.contentWindow.gotoHash) w.contentWindow.gotoHash(url.replace(/.*#/,"#")); }
);
return;
}
// check if a window with given id hash already exists
var allWindows=chrome.app.window.getAll();
for(var i=0; i<allWindows.length; i++)
if (allWindows[i].contentWindow.location.hash==url)
return allWindows[i].show();
// if we are so far, document is not open yet. Open it now.
return chrome.app.window.create((url.match("/")?url:"index.html"+url),{"id":"w"+(new Date).getTime(),"bounds":{"width":window.screen.availWidth,"height":window.screen.availHeight}});
}
else
return window.open(url,id);
}
function openHelp(hash)
{
window_open('./doc/'+(offline()?"index.html":"")+(hash?"#"+hash:"#"),'help');
}
function deleteKeyPressed()
{
historyAddPrepare();
deleteSelectedStates();
deleteSelectedConnection();
historyAddFinish();
refreshToolbars();
}
function updateConnectionText(conn, color)
{
if (!conn.fwprop) return;
if (stateIsNote(conn.stateFrom)) return;
stereotypeAp = svgDoubleLt()+"AP"+svgDoubleGt()+" ";
sStereotypeApGuard = conn.fwprop.guardAp?stereotypeAp:"";
sStereotypeApAction = conn.fwprop.actionAp?stereotypeAp:"";
var text= (conn.fwprop.identifier!='' ? conn.fwprop.identifier : "") +
( (conn.fwprop.guardFunc && conn.fwprop.guardFunc!='')
|| (conn.fwprop.guardCode && conn.fwprop.guardCode!='')
|| (conn.fwprop.guardDesc && conn.fwprop.guardDesc!='') ? " [ "+sStereotypeApGuard+svgNewlines(displayInfoText(conn.fwprop.guardFunc?conn.fwprop.guardFunc:conn.fwprop.guardCode,conn.fwprop.guardDesc))+" ] " : "");
text = text + ( (conn.fwprop.actionFunc && conn.fwprop.actionFunc!='')
|| (conn.fwprop.actionCode && conn.fwprop.actionCode!='')
|| (conn.fwprop.actionDesc && conn.fwprop.actionDesc!='') ? " / " + sStereotypeApAction+svgNewlines(displayInfoText(conn.fwprop.actionFunc?conn.fwprop.actionFunc:conn.fwprop.actionCode,conn.fwprop.actionDesc)) : "");
if (countOutgoingTransitions(conn.stateFrom)>1 && g.fwprop.displayOrder) text = "" + conn.fwprop.order+": "+text;
if (conn.text)
{
if (color) conn.text.attr({ "fill": color });
if (conn.text.str!=text) // update the text only if it differs, it's CPU intensive
{
conn.text.str=text;
conn.text.attr({ "text": text });
}
}
}
function arrowend_refresh(conn)
{
conn.arrowend.transform("t"+lastPoint(conn.coord,0,-5)+"r"+lastPointAngle(conn.coord)+",0,5t-4.5,0");
}
function updateConnectionAttrs(conn, color)
{
var sx=0; var sy=0;
conn.coord=full_coordinates(conn);
// shift all coordinates
if (conn.shiftxy)
for (var i=0; i<conn.coord.length; i++)
{
conn.coord[i].x+=conn.shiftxy.x;
conn.coord[i].y+=conn.shiftxy.y;
}
conn.attr( { path: build_path_string(conn.coord) } );
arrowend_refresh(conn);
conn.attr({'stroke-dasharray': ""});
if (stateIsNote(conn.stateFrom))
{
conn.attr({'stroke-dasharray': "-"});
conn.arrowend.hide();
}
if (color)
{
conn.attr({stroke: color});
conn.arrowend.attr({stroke: color, fill: color});
}
updateConnectionText(conn,color);
}
function refreshConnection(i, color)
{
if (!g.connections || i===false || !g.connections[i]) return;
var border=2;
var shiftx=g.connections[i].shiftx ? g.connections[i].shiftx : 0;
var shifty=g.connections[i].shifty ? g.connections[i].shifty : 0;
updateConnectionAttrs(g.connections[i],color);
var middle=g.connections[i].getPointAtLength(g.connections[i].getTotalLength()/2);
var newx=Math.floor(middle.x + shiftx);
var newy=Math.floor(middle.y -10 + shifty);
if (g.connections[i].text.attr("x")!=newx || g.connections[i].text.attr("y")!=newy) // update only if differs
{
g.connections[i].text.attr({ x: newx, y: newy })
}
}
function updateTitle()
{
var t="FW Profile Editor for State Machines and Procedures";
if (g.fwprop.smName!='') t=g.fwprop.smName+" :: "+editorSwitch("State Machine","Procedure");
document.title=t;
}
function refreshConnections(obj)
{
for (var i=0; i<g.connections.length; i++)
{
if (!obj || g.connections[i].stateFrom.id===obj.id || g.connections[i].stateTo.id===obj.id)
refreshConnection(i);
}
}
function refreshState(state)
{
if (state.text) updateStateText(state);
if (g.connector) g.connector.attr({x:state.attr("x")+state.attr("width")+(state.attr("height")>40?-5:-15),y: state.attr("y")+(state.attr("height")>40?15:-5)});
if (g.enlarger) g.enlarger.transform("t"+(state.attr("x")+state.attr("width")-9-0.5)+","+(state.attr("y")+state.attr("height")+0.5));
}
function refreshStates()
{
for (var i=0; i<g.states.length; i++)
refreshState(g.states[i]);
}
function stateIsNote(state)
{
if (state.fwprop && state.fwprop.type=='note') return true;
return false;
}
function stateIsNoteDot(state)
{
if (state.fwprop && state.fwprop.type=='notedot') return true;
return false;
}
// return javascript character 160, which is unicode's nonbreaking blank space
function svgEmptyChar()
{
return String.fromCharCode(160);
}
function svgDoubleLt()
{
return String.fromCharCode(60).concat(String.fromCharCode(60));
}
function svgDoubleGt()
{
return String.fromCharCode(62).concat(String.fromCharCode(62));
}
function textPFX(text,prefix,suffix,nonbsp)
{
if (text && text.replace(/\s/g,'')!='') return (prefix?prefix:"")+text+(suffix?suffix:"");
else if (!nonbsp) return svgEmptyChar();
return "";
}
function svgNewlines(text,padchars)
{
if (padchars) padchars = new Array(padchars).join(svgEmptyChar()); else padchars='';
if (isEmpty(text)) return "";
return text.replace(/\n\n/g,svgEmptyChar()+"\n"+svgEmptyChar()+"\n").replace(/\n/g,"\n"+padchars);
}
function displayInfoText(fnc,desc)
{
if (g.fwprop.displayInfo==1) return isEmpty(fnc)?"":fnc;
else if (g.fwprop.displayInfo==2) return isEmpty(desc)?"":desc;
else
{
if (!isEmpty(desc)) return desc;
else if (!isEmpty(fnc)) return fnc;
}
return "";
}
function buildStateText(state)
{
if (stateIsNote(state)) return svgNewlines(state.fwprop.note);
stereotypeAp = svgDoubleLt()+"AP"+svgDoubleGt();
if (editorIsSM())
{
sStereotypeApEntry = state.fwprop.entryAp?stereotypeAp:svgEmptyChar();
sStereotypeApDo = state.fwprop.doAp?stereotypeAp:svgEmptyChar();
sStereotypeApExit = state.fwprop.exitAp?stereotypeAp:svgEmptyChar();
var ret=svgEmptyChar()+textPFX(state.fwprop.identifier)+svgEmptyChar()+"\n"
+svgEmptyChar("")+"\n"
+svgEmptyChar("")+"\n"
+textPFX(fileNameByID(state.fwprop.embedSmId),svgEmptyChar()+'eSM: ',"\n",true)
+textPFX(sStereotypeApEntry+displayInfoText(state.fwprop.entryFunc?state.fwprop.entryFunc:svgNewlines(state.fwprop.entryCode,15),svgNewlines(state.fwprop.entryDesc,15)),svgEmptyChar("")+'Entry: ',"\n",true)
+textPFX(sStereotypeApDo+displayInfoText(state.fwprop.doFunc?state.fwprop.doFunc:svgNewlines(state.fwprop.doCode,15),svgNewlines(state.fwprop.doDesc,15)),svgEmptyChar("")+'Do: ',"\n",true)
+textPFX(sStereotypeApExit+displayInfoText(state.fwprop.exitFunc?state.fwprop.exitFunc:state.fwprop.exitCode,svgNewlines(state.fwprop.exitDesc,15)),svgEmptyChar("")+'Exit: ',"\n",true);
return ret.replace(new RegExp("("+svgEmptyChar("")+"\n)+"+'$'), '');
}
if (editorIsPR())
{
sStereotype = state.fwprop.entryAp?stereotypeAp:svgEmptyChar();
return textPFX(state.fwprop.identifier)+": "+sStereotype
+textPFX(displayInfoText(state.fwprop.entryFunc?state.fwprop.entryFunc:state.fwprop.entryCode,svgNewlines(state.fwprop.entryDesc,2)),svgEmptyChar(),"",true);
}
}
function updateStateBoxByText(state,margin,onlyWidth)
{
var w=Math.floor(state.text.getBBox().width/2)*2;
var h=Math.floor(state.text.getBBox().height/2)*2;
if (w+margin>state.attr("width"))
{
state.attr({ "width": w+margin });
refreshConnections();
}
// onlyWidth is needed to workaround some glitch when height is sometimes returned bigger on subsequent calls in one run
if (onlyWidth) return;
if (h+margin>state.attr("height"))
{
state.attr({ "height": h+margin });
refreshConnections();
}
return h;
}
function updateStateText(state,updateOnlyPosition)
{
var margin=20;
if (state.text)
{
if (!updateOnlyPosition)
{
state.text.attr("text", buildStateText(state));
}
// force pre-formated whitespace for Notes
if (stateIsNote(state)) $(state.text.node).css("white-space","pre");
var y=0
var tspans=state.text.node.childNodes;
if (tspans)
{
$(tspans[0]).css("font-weight","bold");
y=$(tspans[0]).attr("dy");
}
var h=updateStateBoxByText(state,margin);
state.text.attr({ x:state.attr("x")+(margin/2), y: state.attr("y")+(stateIsNote(state)?state.attr("height")/2:(h+margin)/2) });
var words=[];
var tspan;
if (tspans)
{
for (var i=0; i<tspans.length; i++)
{
tspan=tspans[i];
if (!$(tspan).text().match(/^.(Entry|Do|Exit|eSM):/)) continue;
words=$(tspan).text().split(" ");
if (words.length>1)
{
$(tspan).text(words.shift());
$(tspan).after($(tspan).clone().attr("dx",42).removeAttr("dy").text(words.join(" ")));
i++;
} else ($(tspan).next().attr("dy",0));
$(tspan).css("font-weight","bold");
}
$(tspans[0]).attr("dy",y);
}
updateStateBoxByText(state,margin,false);
}
if (state.underline)
{
state.underline.attr("path","M"+(state.attr("x")+(margin/2))+","+(state.attr("y")+33.5)+"l"+(state.attr("width")-margin)+",0");
if (state.attr("height")>40) state.underline.show(); else state.underline.hide();
}
}
// make sure that closest parents are updated
// accordingly to the current state.
function updateParents(states,parent)
{
var i,j;
if (!states) states=g.states;
if (!parent) parent=false;
for (i=0; i<states.length; i++)
states[i].parentState=parent;
for (i=0; i<states.length; i++)
for (j=0; j<states.length; j++)
if (stateIsInside(states[j],states[i]))
if (states[i].parentState==parent || stateIsInside(states[i].parentState,states[j]))
states[i].parentState=states[j];
}
// put given state to front