init

1 files changed, 129 insertions, 0 deletions

diff --git a/rr.js b/rr.js
new file mode 100644
index 0000000..7bdbd42
--- /dev/null
+++ b/rr.js
@@ -0,0 +1,129 @@
+Raphael.fn.connection = function (obj1, obj2, line, bg) {
+    if (obj1.line && obj1.from && obj1.to) {
+        line = obj1;
+        obj1 = line.from;
+        obj2 = line.to;
+    }
+    var bb1 = obj1.getBBox(),
+        bb2 = obj2.getBBox(),
+        p = [{x: bb1.x + bb1.width / 2, y: bb1.y - 1},
+        {x: bb1.x + bb1.width / 2, y: bb1.y + bb1.height + 1},
+        {x: bb1.x - 1, y: bb1.y + bb1.height / 2},
+        {x: bb1.x + bb1.width + 1, y: bb1.y + bb1.height / 2},
+        {x: bb2.x + bb2.width / 2, y: bb2.y - 1},
+        {x: bb2.x + bb2.width / 2, y: bb2.y + bb2.height + 1},
+        {x: bb2.x - 1, y: bb2.y + bb2.height / 2},
+        {x: bb2.x + bb2.width + 1, y: bb2.y + bb2.height / 2}],
+        d = {}, dis = [];
+    for (var i = 0; i < 4; i++) {
+        for (var j = 4; j < 8; j++) {
+            var dx = Math.abs(p[i].x - p[j].x),
+                dy = Math.abs(p[i].y - p[j].y);
+            if ((i == j - 4) || (((i != 3 && j != 6) || p[i].x < p[j].x) && ((i != 2 && j != 7) || p[i].x > p[j].x) && ((i != 0 && j != 5) || p[i].y > p[j].y) && ((i != 1 && j != 4) || p[i].y < p[j].y))) {
+                dis.push(dx + dy);
+                d[dis[dis.length - 1]] = [i, j];
+            }
+        }
+    }
+    if (dis.length == 0) {
+        var res = [0, 4];
+    } else {
+        res = d[Math.min.apply(Math, dis)];
+    }
+    var x1 = p[res[0]].x,
+        y1 = p[res[0]].y,
+        x4 = p[res[1]].x,
+        y4 = p[res[1]].y;
+    dx = Math.max(Math.abs(x1 - x4) / 2, 10);
+    dy = Math.max(Math.abs(y1 - y4) / 2, 10);
+    var x2 = [x1, x1, x1 - dx, x1 + dx][res[0]].toFixed(3),
+        y2 = [y1 - dy, y1 + dy, y1, y1][res[0]].toFixed(3),
+        x3 = [0, 0, 0, 0, x4, x4, x4 - dx, x4 + dx][res[1]].toFixed(3),
+        y3 = [0, 0, 0, 0, y1 + dy, y1 - dy, y4, y4][res[1]].toFixed(3);
+    var path = ["M", x1.toFixed(3), y1.toFixed(3), "C", x2, y2, x3, y3, x4.toFixed(3), y4.toFixed(3)].join(",");
+    if (line && line.line) {
+        line.bg && line.bg.attr({path: path});
+        line.line.attr({path: path});
+    } else {
+        var color = typeof line == "string" ? line : "#000";
+        return {
+            bg: bg && bg.split && this.path(path).attr({stroke: bg.split("|")[0], fill: "none", "stroke-width": bg.split("|")[1] || 3}),
+            line: this.path(path).attr({stroke: color, fill: "none"}),
+            from: obj1,
+            to: obj2
+        };
+    }
+};
+
+var el;
+window.onload = function () {
+    var color, i, ii, tempS, tempT,
+        dragger = function () {
+                // Original coords for main element
+            this.ox = this.type == "ellipse" ? this.attr("cx") : this.attr("x");
+            this.oy = this.type == "ellipse" ? this.attr("cy") : this.attr("y");
+            if (this.type != "text") this.animate({"fill-opacity": .2}, 500);
+                
+                // Original coords for pair element
+            this.pair.ox = this.pair.type == "ellipse" ? this.pair.attr("cx") : this.pair.attr("x");
+            this.pair.oy = this.pair.type == "ellipse" ? this.pair.attr("cy") : this.pair.attr("y");
+            if (this.pair.type != "text") this.pair.animate({"fill-opacity": .2}, 500);            
+        },
+        move = function (dx, dy) {
+                // Move main element
+            var att = this.type == "ellipse" ? {cx: this.ox + dx, cy: this.oy + dy} : 
+                                               {x: this.ox + dx, y: this.oy + dy};
+            this.attr(att);
+            
+                // Move paired element
+            att = this.pair.type == "ellipse" ? {cx: this.pair.ox + dx, cy: this.pair.oy + dy} : 
+                                               {x: this.pair.ox + dx, y: this.pair.oy + dy};
+            this.pair.attr(att);            
+            
+                // Move connections
+            for (i = connections.length; i--;) {
+                r.connection(connections[i]);
+            }
+            r.safari();
+        },
+        up = function () {
+                // Fade original element on mouse up
+            if (this.type != "text") this.animate({"fill-opacity": 0}, 500);
+            
+                // Fade paired element on mouse up
+            if (this.pair.type != "text") this.pair.animate({"fill-opacity": 0}, 500);            
+        },
+        r = Raphael("holder", 640, 480),
+        connections = [],
+        shapes = [
+                    r.rect(10, 100, 20, 20), // 0
+                    r.rect(40, 100, 20, 20), // 1
+                    r.rect(70, 100, 20, 20), // 2
+                    r.rect(10, 200, 20, 20), // 3
+                    r.rect(40, 200, 20, 20), // 4
+                    r.rect(70, 200, 20, 20)  // 5
+                ],
+        texts = [   r.text(10, 100, "1"),
+                    r.text(40, 100, "2"),
+                    r.text(70, 100, "3"),
+                    r.text(10, 200, "1"),
+                    r.text(40, 200, "2"),
+                    r.text(70, 200, "3")
+                ];
+    for (i = 0, ii = shapes.length; i < ii; i++) {
+        color = Raphael.getColor();
+        tempS = shapes[i].attr({fill: color, stroke: color, "fill-opacity": 0, "stroke-width": 2, cursor: "move"});
+        tempT = texts[i].attr({fill: color, stroke: "none", "font-size": 15, cursor: "move"});
+        shapes[i].drag(move, dragger, up);
+        texts[i].drag(move, dragger, up);
+        
+        // Associate the elements
+        tempS.pair = tempT;
+        tempT.pair = tempS;
+    }
+    connections.push(r.connection(shapes[0], shapes[3], "#fff"));
+    connections.push(r.connection(shapes[1], shapes[4], "#fff"));
+    connections.push(r.connection(shapes[2], shapes[5], "#fff"));
+
+
+};