[MERGE] from trunk

bzr revid: xmo@openerp.com-20120322143331-iajlifomw1hohbht

1 files changed, 527 insertions, 0 deletions

diff --git a/addons/web_process/static/lib/dracula/dracula_graph.js b/addons/web_process/static/lib/dracula/dracula_graph.js
new file mode 100644
index 00000000000..28269986e78
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+++ b/addons/web_process/static/lib/dracula/dracula_graph.js
@@ -0,0 +1,527 @@
+/*
+ *  Dracula Graph Layout and Drawing Framework 0.0.3alpha
+ *  (c) 2010 Philipp Strathausen <strathausen@gmail.com>, http://strathausen.eu
+ *  Contributions by Jake Stothard <stothardj@gmail.com>.
+ *
+ *  based on the Graph JavaScript framework, version 0.0.1
+ *  (c) 2006 Aslak Hellesoy <aslak.hellesoy@gmail.com>
+ *  (c) 2006 Dave Hoover <dave.hoover@gmail.com>
+ *
+ *  Ported from Graph::Layouter::Spring in
+ *    http://search.cpan.org/~pasky/Graph-Layderer-0.02/
+ *  The algorithm is based on a spring-style layouter of a Java-based social
+ *  network tracker PieSpy written by Paul Mutton <paul@jibble.org>.
+ *
+ *  This code is freely distributable under the MIT license. Commercial use is
+ *  hereby granted without any cost or restriction.
+ *
+ *  Links:
+ *
+ *  Graph Dracula JavaScript Framework:
+ *      http://graphdracula.net
+ *
+ /*--------------------------------------------------------------------------*/
+
+/*
+ * Edge Factory
+ */
+var AbstractEdge = function() {
+}
+AbstractEdge.prototype = {
+    hide: function() {
+        this.connection.fg.hide();
+        this.connection.bg && this.bg.connection.hide();
+    }
+};
+var EdgeFactory = function() {
+    this.template = new AbstractEdge();
+    this.template.style = new Object();
+    this.template.style.directed = false;
+    this.template.weight = 1;
+};
+EdgeFactory.prototype = {
+    build: function(source, target) {
+        var e = jQuery.extend(true, {}, this.template);
+        e.source = source;
+        e.target = target;
+        return e;
+    }
+};
+
+/*
+ * Graph
+ */
+var Graph = function() {
+    this.nodes = {};
+    this.edges = [];
+    this.snapshots = []; // previous graph states TODO to be implemented
+    this.edgeFactory = new EdgeFactory();
+};
+Graph.prototype = {
+    /*
+     * add a node
+     * @id          the node's ID (string or number)
+     * @content     (optional, dictionary) can contain any information that is
+     *              being interpreted by the layout algorithm or the graph
+     *              representation
+     */
+    addNode: function(id, content) {
+        /* testing if node is already existing in the graph */
+        if(this.nodes[id] == undefined) {
+            this.nodes[id] = new Graph.Node(id, content);
+        }
+        return this.nodes[id];
+    },
+
+    addEdge: function(source, target, style) {
+        var s = this.addNode(source);
+        var t = this.addNode(target);
+        var edge = this.edgeFactory.build(s, t);
+        jQuery.extend(edge.style,style);
+        s.edges.push(edge);
+        this.edges.push(edge);
+        // NOTE: Even directed edges are added to both nodes.
+        t.edges.push(edge);
+    },
+
+    /* TODO to be implemented
+     * Preserve a copy of the graph state (nodes, positions, ...)
+     * @comment     a comment describing the state
+     */
+    snapShot: function(comment) {
+        /* FIXME
+        var graph = new Graph();
+        graph.nodes = jQuery.extend(true, {}, this.nodes);
+        graph.edges = jQuery.extend(true, {}, this.edges);
+        this.snapshots.push({comment: comment, graph: graph});
+        */
+    },
+    removeNode: function(id) {
+        delete this.nodes[id];
+        for(var i = 0; i < this.edges.length; i++) {
+            if (this.edges[i].source.id == id || this.edges[i].target.id == id) {
+                this.edges.splice(i, 1);
+                i--;
+            }
+        }
+    }
+};
+
+/*
+ * Node
+ */
+Graph.Node = function(id, node){
+    node = node || {};
+    node.id = id;
+    node.edges = [];
+    node.hide = function() {
+        this.hidden = true;
+        this.shape && this.shape.hide(); /* FIXME this is representation specific code and should be elsewhere */
+        for(i in this.edges)
+            (this.edges[i].source.id == id || this.edges[i].target == id) && this.edges[i].hide && this.edges[i].hide();
+    };
+    node.show = function() {
+        this.hidden = false;
+        this.shape && this.shape.show();
+        for(i in this.edges)
+            (this.edges[i].source.id == id || this.edges[i].target == id) && this.edges[i].show && this.edges[i].show();
+    };
+    return node;
+};
+Graph.Node.prototype = {
+};
+
+/*
+ * Renderer base class
+ */
+Graph.Renderer = {};
+
+/*
+ * Renderer implementation using RaphaelJS
+ */
+Graph.Renderer.Raphael = function(element, graph, width, height) {
+    this.width = width || 800;
+    this.height = height || 800;
+    var selfRef = this;
+    this.r = Raphael(element, this.width, this.height);
+    this.radius = 40; /* max dimension of a node */
+    this.graph = graph;
+    this.mouse_in = false;
+
+    /* TODO default node rendering function */
+    if(!this.graph.render) {
+        this.graph.render = function() {
+            return;
+        }
+    }
+
+    /*
+     * Dragging
+     */
+    this.isDrag = false;
+    this.dragger = function (e) {
+        this.dx = e.clientX;
+        this.dy = e.clientY;
+        selfRef.isDrag = this;
+        this.set && this.set.animate({"fill-opacity": .1}, 200);
+        e.preventDefault && e.preventDefault();
+    };
+
+    var d = document.getElementById(element);
+    d.onmousemove = function (e) {
+        e = e || window.event;
+        if (selfRef.isDrag) {
+            var bBox = selfRef.isDrag.set.getBBox();
+            // TODO round the coordinates here (eg. for proper image representation)
+            var newX = e.clientX - selfRef.isDrag.dx + (bBox.x + bBox.width / 2);
+            var newY = e.clientY - selfRef.isDrag.dy + (bBox.y + bBox.height / 2);
+            /* prevent shapes from being dragged out of the canvas */
+            var clientX = e.clientX - (newX < 20 ? newX - 20 : newX > selfRef.width - 20 ? newX - selfRef.width + 20 : 0);
+            var clientY = e.clientY - (newY < 20 ? newY - 20 : newY > selfRef.height - 20 ? newY - selfRef.height + 20 : 0);
+            selfRef.isDrag.set.translate(clientX - Math.round(selfRef.isDrag.dx), clientY - Math.round(selfRef.isDrag.dy));
+            //            console.log(clientX - Math.round(selfRef.isDrag.dx), clientY - Math.round(selfRef.isDrag.dy));
+            for (var i in selfRef.graph.edges) {
+                selfRef.graph.edges[i].connection && selfRef.graph.edges[i].connection.draw();
+            }
+            //selfRef.r.safari();
+            selfRef.isDrag.dx = clientX;
+            selfRef.isDrag.dy = clientY;
+        }
+    };
+    d.onmouseup = function () {
+        selfRef.isDrag && selfRef.isDrag.set.animate({"fill-opacity": .6}, 500);
+        selfRef.isDrag = false;
+    };
+    this.draw();
+};
+Graph.Renderer.Raphael.prototype = {
+    translate: function(point) {
+        return [
+            (point[0] - this.graph.layoutMinX) * this.factorX + this.radius,
+            (point[1] - this.graph.layoutMinY) * this.factorY + this.radius
+        ];
+    },
+
+    rotate: function(point, length, angle) {
+        var dx = length * Math.cos(angle);
+        var dy = length * Math.sin(angle);
+        return [point[0]+dx, point[1]+dy];
+    },
+
+    draw: function() {
+        this.factorX = (this.width - 2 * this.radius) / (this.graph.layoutMaxX - this.graph.layoutMinX);
+        this.factorY = (this.height - 2 * this.radius) / (this.graph.layoutMaxY - this.graph.layoutMinY);
+        for (i in this.graph.nodes) {
+            this.drawNode(this.graph.nodes[i]);
+        }
+        for (var i = 0; i < this.graph.edges.length; i++) {
+            this.drawEdge(this.graph.edges[i]);
+        }
+    },
+
+    drawNode: function(node) {
+        var point = this.translate([node.layoutPosX, node.layoutPosY]);
+        node.point = point;
+
+        /* if node has already been drawn, move the nodes */
+        if(node.shape) {
+            var oBBox = node.shape.getBBox();
+            var opoint = { x: oBBox.x + oBBox.width / 2, y: oBBox.y + oBBox.height / 2};
+            node.shape.translate(Math.round(point[0] - opoint.x), Math.round(point[1] - opoint.y));
+            this.r.safari();
+            return node;
+        }/* else, draw new nodes */
+
+        var shape;
+
+        /* if a node renderer function is provided by the user, then use it
+           or the default render function instead */
+        if(!node.render) {
+            node.render = function(r, node) {
+                /* the default node drawing */
+                var color = Raphael.getColor();
+                var ellipse = r.ellipse(0, 0, 30, 20).attr({fill: color, stroke: color, "stroke-width": 2});
+                /* set DOM node ID */
+                ellipse.node.id = node.label || node.id;
+                shape = r.set().
+                    push(ellipse).
+                    push(r.text(0, 30, node.label || node.id));
+                return shape;
+            }
+        }
+        /* or check for an ajax representation of the nodes */
+        if(node.shapes) {
+            // TODO ajax representation evaluation
+        }
+
+        shape = node.render(this.r, node).hide();
+
+        shape.attr({"fill-opacity": .6});
+        /* re-reference to the node an element belongs to, needed for dragging all elements of a node */
+        shape.items.forEach(function(item){ item.set = shape; item.node.style.cursor = "move"; });
+        shape.mousedown(this.dragger);
+
+        var box = shape.getBBox();
+        shape.translate(Math.round(point[0]-(box.x+box.width/2)),Math.round(point[1]-(box.y+box.height/2)))
+        //console.log(box,point);
+        node.hidden || shape.show();
+        node.shape = shape;
+    },
+    drawEdge: function(edge) {
+        /* if this edge already exists the other way around and is undirected */
+        if(edge.backedge)
+            return;
+        if(edge.source.hidden || edge.target.hidden) {
+            edge.connection && edge.connection.fg.hide() | edge.connection.bg && edge.connection.bg.hide();
+            return;
+        }
+        /* if edge already has been drawn, only refresh the edge */
+        if(!edge.connection) {
+            edge.style && edge.style.callback && edge.style.callback(edge); // TODO move this somewhere else
+            edge.connection = this.r.connection(edge.source.shape, edge.target.shape, edge.style);
+            return;
+        }
+        //FIXME showing doesn't work well
+        edge.connection.fg.show();
+        edge.connection.bg && edge.connection.bg.show();
+        edge.connection.draw();
+    }
+};
+Graph.Layout = {};
+Graph.Layout.Spring = function(graph) {
+    this.graph = graph;
+    this.iterations = 500;
+    this.maxRepulsiveForceDistance = 6;
+    this.k = 2;
+    this.c = 0.01;
+    this.maxVertexMovement = 0.5;
+    this.layout();
+};
+Graph.Layout.Spring.prototype = {
+    layout: function() {
+        this.layoutPrepare();
+        for (var i = 0; i < this.iterations; i++) {
+            this.layoutIteration();
+        }
+        this.layoutCalcBounds();
+    },
+
+    layoutPrepare: function() {
+        for (i in this.graph.nodes) {
+            var node = this.graph.nodes[i];
+            node.layoutPosX = 0;
+            node.layoutPosY = 0;
+            node.layoutForceX = 0;
+            node.layoutForceY = 0;
+        }
+
+    },
+
+    layoutCalcBounds: function() {
+        var minx = Infinity, maxx = -Infinity, miny = Infinity, maxy = -Infinity;
+
+        for (i in this.graph.nodes) {
+            var x = this.graph.nodes[i].layoutPosX;
+            var y = this.graph.nodes[i].layoutPosY;
+
+            if(x > maxx) maxx = x;
+            if(x < minx) minx = x;
+            if(y > maxy) maxy = y;
+            if(y < miny) miny = y;
+        }
+
+        this.graph.layoutMinX = minx;
+        this.graph.layoutMaxX = maxx;
+        this.graph.layoutMinY = miny;
+        this.graph.layoutMaxY = maxy;
+    },
+
+    layoutIteration: function() {
+        // Forces on nodes due to node-node repulsions
+
+        var prev = new Array();
+        for(var c in this.graph.nodes) {
+            var node1 = this.graph.nodes[c];
+            for (var d in prev) {
+                var node2 = this.graph.nodes[prev[d]];
+                this.layoutRepulsive(node1, node2);
+
+            }
+            prev.push(c);
+        }
+
+        // Forces on nodes due to edge attractions
+        for (var i = 0; i < this.graph.edges.length; i++) {
+            var edge = this.graph.edges[i];
+            this.layoutAttractive(edge);
+        }
+
+        // Move by the given force
+        for (i in this.graph.nodes) {
+            var node = this.graph.nodes[i];
+            var xmove = this.c * node.layoutForceX;
+            var ymove = this.c * node.layoutForceY;
+
+            var max = this.maxVertexMovement;
+            if(xmove > max) xmove = max;
+            if(xmove < -max) xmove = -max;
+            if(ymove > max) ymove = max;
+            if(ymove < -max) ymove = -max;
+
+            node.layoutPosX += xmove;
+            node.layoutPosY += ymove;
+            node.layoutForceX = 0;
+            node.layoutForceY = 0;
+        }
+    },
+
+    layoutRepulsive: function(node1, node2) {
+        if (typeof node1 == 'undefined' || typeof node2 == 'undefined')
+            return;
+        var dx = node2.layoutPosX - node1.layoutPosX;
+        var dy = node2.layoutPosY - node1.layoutPosY;
+        var d2 = dx * dx + dy * dy;
+        if(d2 < 0.01) {
+            dx = 0.1 * Math.random() + 0.1;
+            dy = 0.1 * Math.random() + 0.1;
+            var d2 = dx * dx + dy * dy;
+        }
+        var d = Math.sqrt(d2);
+        if(d < this.maxRepulsiveForceDistance) {
+            var repulsiveForce = this.k * this.k / d;
+            node2.layoutForceX += repulsiveForce * dx / d;
+            node2.layoutForceY += repulsiveForce * dy / d;
+            node1.layoutForceX -= repulsiveForce * dx / d;
+            node1.layoutForceY -= repulsiveForce * dy / d;
+        }
+    },
+
+    layoutAttractive: function(edge) {
+        var node1 = edge.source;
+        var node2 = edge.target;
+
+        var dx = node2.layoutPosX - node1.layoutPosX;
+        var dy = node2.layoutPosY - node1.layoutPosY;
+        var d2 = dx * dx + dy * dy;
+        if(d2 < 0.01) {
+            dx = 0.1 * Math.random() + 0.1;
+            dy = 0.1 * Math.random() + 0.1;
+            var d2 = dx * dx + dy * dy;
+        }
+        var d = Math.sqrt(d2);
+        if(d > this.maxRepulsiveForceDistance) {
+            d = this.maxRepulsiveForceDistance;
+            d2 = d * d;
+        }
+        var attractiveForce = (d2 - this.k * this.k) / this.k;
+        if(edge.attraction == undefined) edge.attraction = 1;
+        attractiveForce *= Math.log(edge.attraction) * 0.5 + 1;
+
+        node2.layoutForceX -= attractiveForce * dx / d;
+        node2.layoutForceY -= attractiveForce * dy / d;
+        node1.layoutForceX += attractiveForce * dx / d;
+        node1.layoutForceY += attractiveForce * dy / d;
+    }
+};
+
+Graph.Layout.Ordered = function(graph, order) {
+    this.graph = graph;
+    this.order = order;
+    this.layout();
+};
+Graph.Layout.Ordered.prototype = {
+    layout: function() {
+        this.layoutPrepare();
+        this.layoutCalcBounds();
+    },
+
+    layoutPrepare: function(order) {
+        for (i in this.graph.nodes) {
+            var node = this.graph.nodes[i];
+            node.layoutPosX = 0;
+            node.layoutPosY = 0;
+        }
+            var counter = 0;
+            for (i in this.order) {
+                var node = this.order[i];
+                node.layoutPosX = counter;
+                node.layoutPosY = Math.random();
+                counter++;
+            }
+    },
+
+    layoutCalcBounds: function() {
+        var minx = Infinity, maxx = -Infinity, miny = Infinity, maxy = -Infinity;
+
+        for (i in this.graph.nodes) {
+            var x = this.graph.nodes[i].layoutPosX;
+            var y = this.graph.nodes[i].layoutPosY;
+
+            if(x > maxx) maxx = x;
+            if(x < minx) minx = x;
+            if(y > maxy) maxy = y;
+            if(y < miny) miny = y;
+        }
+
+        this.graph.layoutMinX = minx;
+        this.graph.layoutMaxX = maxx;
+
+        this.graph.layoutMinY = miny;
+        this.graph.layoutMaxY = maxy;
+    }
+};
+
+/*
+ * usefull JavaScript extensions,
+ */
+
+function log(a) {console.log&&console.log(a);}
+
+/*
+ * Raphael Tooltip Plugin
+ * - attaches an element as a tooltip to another element
+ *
+ * Usage example, adding a rectangle as a tooltip to a circle:
+ *
+ *      paper.circle(100,100,10).tooltip(paper.rect(0,0,20,30));
+ *
+ * If you want to use more shapes, you'll have to put them into a set.
+ *
+ */
+Raphael.el.tooltip = function (tp) {
+    this.tp = tp;
+    this.tp.o = {x: 0, y: 0};
+    this.tp.hide();
+    this.hover(
+        function(event){
+            this.mousemove(function(event){
+                this.tp.translate(event.clientX -
+                                  this.tp.o.x,event.clientY - this.tp.o.y);
+                this.tp.o = {x: event.clientX, y: event.clientY};
+            });
+            this.tp.show().toFront();
+        },
+        function(event){
+            this.tp.hide();
+            this.unmousemove();
+        });
+    return this;
+};
+
+/* For IE */
+if (!Array.prototype.forEach)
+{
+  Array.prototype.forEach = function(fun /*, thisp*/)
+  {
+    var len = this.length;
+    if (typeof fun != "function")
+      throw new TypeError();
+
+    var thisp = arguments[1];
+    for (var i = 0; i < len; i++)
+    {
+      if (i in this)
+        fun.call(thisp, this[i], i, this);
+    }
+  };
+}