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authorXavier Morel <xmo@openerp.com>2012-03-22 15:33:31 +0100
committerXavier Morel <xmo@openerp.com>2012-03-22 15:33:31 +0100
commit7353e02e2ef4a403d4b79c1b157f2ca00b77d2fc (patch)
treea319552e3664ea272fdfb8abf31c961bcd5e1e6e /addons/web_process/static/lib/dracula/dracula_graffle.js
parent514c63288c7d5d88d764b44696c5e3a5fc148dfb (diff)
parent1da49a44a57aa413e5eb96afe9c6d294e09848fd (diff)
[MERGE] from trunk
bzr revid: xmo@openerp.com-20120322143331-iajlifomw1hohbht
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+/**
+ * Originally grabbed from the official RaphaelJS Documentation
+ * http://raphaeljs.com/graffle.html
+ * Adopted (arrows) and commented by Philipp Strathausen http://blog.ameisenbar.de
+ * Licenced under the MIT licence.
+ */
+
+/**
+ * Usage:
+ * connect two shapes
+ * parameters:
+ * source shape [or connection for redrawing],
+ * target shape,
+ * style with { fg : linecolor, bg : background color, directed: boolean }
+ * returns:
+ * connection { draw = function() }
+ */
+Raphael.fn.connection = function (obj1, obj2, style) {
+ var selfRef = this;
+ /* create and return new connection */
+ var edge = {/*
+ from : obj1,
+ to : obj2,
+ style : style,*/
+ draw : function() {
+ /* get bounding boxes of target and source */
+ var bb1 = obj1.getBBox();
+ var bb2 = obj2.getBBox();
+ var off1 = 0;
+ var off2 = 0;
+ /* coordinates for potential connection coordinates from/to the objects */
+ var p = [
+ {x: bb1.x + bb1.width / 2, y: bb1.y - off1}, /* NORTH 1 */
+ {x: bb1.x + bb1.width / 2, y: bb1.y + bb1.height + off1}, /* SOUTH 1 */
+ {x: bb1.x - off1, y: bb1.y + bb1.height / 2}, /* WEST 1 */
+ {x: bb1.x + bb1.width + off1, y: bb1.y + bb1.height / 2}, /* EAST 1 */
+ {x: bb2.x + bb2.width / 2, y: bb2.y - off2}, /* NORTH 2 */
+ {x: bb2.x + bb2.width / 2, y: bb2.y + bb2.height + off2}, /* SOUTH 2 */
+ {x: bb2.x - off2, y: bb2.y + bb2.height / 2}, /* WEST 2 */
+ {x: bb2.x + bb2.width + off2, y: bb2.y + bb2.height / 2} /* EAST 2 */
+ ];
+
+ /* distances between objects and according coordinates connection */
+ var d = {}, dis = [];
+
+ /*
+ * find out the best connection coordinates by trying all possible ways
+ */
+ /* loop the first object's connection coordinates */
+ for (var i = 0; i < 4; i++) {
+ /* loop the seond object's connection coordinates */
+ 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].toFixed(3)] = [i, j];
+ }
+ }
+ }
+ var res = dis.length == 0 ? [0, 4] : d[Math.min.apply(Math, dis).toFixed(3)];
+ /* bezier path */
+ 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),
+ 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);
+ /* assemble path and arrow */
+ var path = ["M", x1.toFixed(3), y1.toFixed(3), "C", x2, y2, x3, y3, x4.toFixed(3), y4.toFixed(3)];
+ /* arrow */
+ if(style && style.directed) {
+ /* magnitude, length of the last path vector */
+ var mag = Math.sqrt((y4 - y3) * (y4 - y3) + (x4 - x3) * (x4 - x3));
+ /* vector normalisation to specified length */
+ var norm = function(x,l){return (-x*(l||5)/mag);};
+ /* calculate array coordinates (two lines orthogonal to the path vector) */
+ var arr = [
+ {x:(norm(x4-x3)+norm(y4-y3)+x4).toFixed(3), y:(norm(y4-y3)+norm(x4-x3)+y4).toFixed(3)},
+ {x:(norm(x4-x3)-norm(y4-y3)+x4).toFixed(3), y:(norm(y4-y3)-norm(x4-x3)+y4).toFixed(3)}
+ ];
+ path.push("M", arr[0].x, arr[0].y, "L", x4, y4, "L", arr[1].x, arr[1].y, "L", arr[0].x, arr[0].y);
+ }
+ var svgpath = path.join(' ');
+ /* function to be used for moving existent path(s), e.g. animate() or attr() */
+ var move = "attr";
+ /* applying path(s) */
+ edge.fg && edge.fg[move]({path:svgpath})
+ || (edge.fg = selfRef.path(svgpath).attr({stroke: style && style.stroke || "#000", fill: "none"}).toBack());
+ edge.bg && edge.bg[move]({path:svgpath})
+ || style && style.fill && (edge.bg = style.fill.split && selfRef.path(svgpath).attr({stroke: style.fill.split("|")[0], fill: "none", "stroke-width": style.fill.split("|")[1] || 3}).toBack());
+ /* setting label */
+ style && style.label
+ && (edge.label && edge.label.attr({x:(x1+x4)/2, y:(y1+y4)/2})
+ || (edge.label = selfRef.text((x1+x4)/2, (y1+y4)/2, style.label).attr({fill: "#000", "font-size": style["font-size"] || "12px"})));
+// && selfRef.text(x4, y4, style.label).attr({stroke: style && style.stroke || "#fff", "font-weight":"bold", "font-size":"20px"})
+// style && style.callback && style.callback(edge);
+ }
+ }
+ edge.draw();
+ return edge;
+};
+//Raphael.prototype.set.prototype.dodo=function(){console.log("works");};