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(prototype) multiple elements on the same line #133

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(prototype) multiple elements on the same line #133

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11 changes: 6 additions & 5 deletions src/diagram.js
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Original file line number Diff line number Diff line change
Expand Up @@ -59,24 +59,28 @@
this.index = index;
};

Diagram.Signal = function(actorA, signaltype, actorB, message) {
Diagram.Signal = function(actorA, signaltype, actorB, message, indent) {
this.type = "Signal";
this.actorA = actorA;
this.actorB = actorB;
this.linetype = signaltype & 3;
this.arrowtype = (signaltype >> 2) & 3;
this.message = message;
if (indent) this.offset = 0;
else this.offset = 1;
};

Diagram.Signal.prototype.isSelf = function() {
return this.actorA.index == this.actorB.index;
};

Diagram.Note = function(actor, placement, message) {
Diagram.Note = function(actor, placement, message, indent) {
this.type = "Note";
this.actor = actor;
this.placement = placement;
this.message = message;
if (indent) this.offset = 0;
else this.offset = 1;

if (this.hasManyActors() && actor[0] == actor[1]) {
throw new Error("Note should be over two different actors");
Expand Down Expand Up @@ -158,6 +162,3 @@
delete diagram.parseError;
return diagram;
};



14 changes: 10 additions & 4 deletions src/grammar.jison
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
"note" return 'note';
"title" return 'title';
"," return ',';
"=" return 'INDENT';
[^\->:,\r\n]+ return 'ACTOR';
"--" return 'DOTLINE';
"-" return 'LINE';
Expand Down Expand Up @@ -60,8 +61,8 @@ statement
;

note_statement
: 'note' placement actor message { $$ = new Diagram.Note($3, $2, $4); }
| 'note' 'over' actor_pair message { $$ = new Diagram.Note($3, Diagram.PLACEMENT.OVER, $4); }
: indent 'note' placement actor message { $$ = new Diagram.Note($4, $3, $5, $1); }
| indent 'note' 'over' actor_pair message { $$ = new Diagram.Note($4, Diagram.PLACEMENT.OVER, $5, $1); }
;

actor_pair
Expand All @@ -75,10 +76,15 @@ placement
;

signal
: actor signaltype actor message
{ $$ = new Diagram.Signal($1, $2, $3, $4); }
: indent actor signaltype actor message
{ $$ = new Diagram.Signal($2, $3, $4, $5, $1); }
;

indent
: /* empty */ { $$ = false }
| 'INDENT' { $$ = true }
;

actor
: ACTOR { $$ = yy.parser.yy.getActor(Diagram.unescape($1)); }
;
Expand Down
22 changes: 17 additions & 5 deletions src/sequence-diagram.js
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Original file line number Diff line number Diff line change
Expand Up @@ -230,7 +230,7 @@

this.draw_title();
this.draw_actors(y);
this.draw_signals(y + this._actors_height);
this.draw_signals(y, this._actors_height);

this._paper.setFinish();
},
Expand Down Expand Up @@ -293,6 +293,7 @@
}
}

var currentLineHeight = 0;
_.each(signals, function(s) {
var a, b; // Indexes of the left and right actors involved

Expand Down Expand Up @@ -354,8 +355,14 @@
}

actor_ensure_distance(a, b, s.width + extra_width);
this._signals_height += s.height;

currentLineHeight = Math.max(currentLineHeight, s.height);
if (s.offset == 1) {
this._signals_height += currentLineHeight;
currentLineHeight = 0;
}
}, this);
this._signals_height += currentLineHeight;

// Re-jig the positions
var actors_x = 0;
Expand Down Expand Up @@ -416,9 +423,16 @@
this.draw_text_box(actor, actor.name, ACTOR_MARGIN, ACTOR_PADDING, this._font);
},

draw_signals : function (offsetY) {
draw_signals : function (offsetY, currentLineHeight) {
var y = offsetY;
_.each(this.diagram.signals, function(s) {
if (s.offset == 1) {
y += currentLineHeight;
currentLineHeight = s.height;
} else {
currentLineHeight = Math.max(currentLineHeight, s.height);
}

if (s.type == "Signal") {
if (s.isSelf()) {
this.draw_self_signal(s, y);
Expand All @@ -430,7 +444,6 @@
this.draw_note(s, y);
}

y += s.height;
}, this);
},

Expand Down Expand Up @@ -637,4 +650,3 @@
drawing.draw(container);

}; // end of drawSVG