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jrtechs-vis
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- Made nodes who lost their color revert back to default.

v3_develop
Alex de Mulder 10 years ago
parent
8e80076825
commit
cd7c71a31e
4 changed files with 397 additions and 387 deletions
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  1. +1
    -0
      HISTORY.md
  2. +385
    -383
      dist/vis.js
  3. +8
    -3
      examples/network/06_groups.html
  4. +3
    -1
      lib/network/Node.js

+ 1
- 0
HISTORY.md View File

@ -14,6 +14,7 @@ http://visjs.org
- Added a check so only one 'activator' overlay is created on clickToUse.
- Made global color options for edges overrule the inheritColors.
- Improved cleaning up of the physics configuration on destroy and in options.
- Made nodes who lost their color revert back to default.
### Graph2d

+ 385
- 383
dist/vis.js View File

@ -22495,10 +22495,10 @@ return /******/ (function(modules) { // webpackBootstrap
var Popup = __webpack_require__(58);
var MixinLoader = __webpack_require__(59);
var Activator = __webpack_require__(35);
var locales = __webpack_require__(60);
var locales = __webpack_require__(70);
// Load custom shapes into CanvasRenderingContext2D
__webpack_require__(61);
__webpack_require__(71);
/**
* @constructor Network
@ -26349,7 +26349,9 @@ return /******/ (function(modules) { // webpackBootstrap
}
}
}
else if (properties.color === undefined) {
this.options.color = constants.nodes.color;
}
// individual shape properties
if (properties.radius !== undefined) {this.baseRadiusValue = this.options.radius;}
@ -28603,13 +28605,13 @@ return /******/ (function(modules) { // webpackBootstrap
/* 59 */
/***/ function(module, exports, __webpack_require__) {
var PhysicsMixin = __webpack_require__(62);
var ClusterMixin = __webpack_require__(66);
var SectorsMixin = __webpack_require__(67);
var SelectionMixin = __webpack_require__(68);
var ManipulationMixin = __webpack_require__(69);
var NavigationMixin = __webpack_require__(70);
var HierarchicalLayoutMixin = __webpack_require__(71);
var PhysicsMixin = __webpack_require__(60);
var ClusterMixin = __webpack_require__(64);
var SectorsMixin = __webpack_require__(65);
var SelectionMixin = __webpack_require__(66);
var ManipulationMixin = __webpack_require__(67);
var NavigationMixin = __webpack_require__(68);
var HierarchicalLayoutMixin = __webpack_require__(69);
/**
* Load a mixin into the network object
@ -28807,389 +28809,117 @@ return /******/ (function(modules) { // webpackBootstrap
/* 60 */
/***/ function(module, exports, __webpack_require__) {
// English
exports['en'] = {
edit: 'Edit',
del: 'Delete selected',
back: 'Back',
addNode: 'Add Node',
addEdge: 'Add Edge',
editNode: 'Edit Node',
editEdge: 'Edit Edge',
addDescription: 'Click in an empty space to place a new node.',
edgeDescription: 'Click on a node and drag the edge to another node to connect them.',
editEdgeDescription: 'Click on the control points and drag them to a node to connect to it.',
createEdgeError: 'Cannot link edges to a cluster.',
deleteClusterError: 'Clusters cannot be deleted.'
};
exports['en_EN'] = exports['en'];
exports['en_US'] = exports['en'];
var util = __webpack_require__(1);
var RepulsionMixin = __webpack_require__(61);
var HierarchialRepulsionMixin = __webpack_require__(62);
var BarnesHutMixin = __webpack_require__(63);
// Dutch
exports['nl'] = {
edit: 'Wijzigen',
del: 'Selectie verwijderen',
back: 'Terug',
addNode: 'Node toevoegen',
addEdge: 'Link toevoegen',
editNode: 'Node wijzigen',
editEdge: 'Link wijzigen',
addDescription: 'Klik op een leeg gebied om een nieuwe node te maken.',
edgeDescription: 'Klik op een node en sleep de link naar een andere node om ze te verbinden.',
editEdgeDescription: 'Klik op de verbindingspunten en sleep ze naar een node om daarmee te verbinden.',
createEdgeError: 'Kan geen link maken naar een cluster.',
deleteClusterError: 'Clusters kunnen niet worden verwijderd.'
/**
* Toggling barnes Hut calculation on and off.
*
* @private
*/
exports._toggleBarnesHut = function () {
this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled;
this._loadSelectedForceSolver();
this.moving = true;
this.start();
};
exports['nl_NL'] = exports['nl'];
exports['nl_BE'] = exports['nl'];
/***/ },
/* 61 */
/***/ function(module, exports, __webpack_require__) {
/**
* Canvas shapes used by Network
* This loads the node force solver based on the barnes hut or repulsion algorithm
*
* @private
*/
if (typeof CanvasRenderingContext2D !== 'undefined') {
/**
* Draw a circle shape
*/
CanvasRenderingContext2D.prototype.circle = function(x, y, r) {
this.beginPath();
this.arc(x, y, r, 0, 2*Math.PI, false);
};
/**
* Draw a square shape
* @param {Number} x horizontal center
* @param {Number} y vertical center
* @param {Number} r size, width and height of the square
*/
CanvasRenderingContext2D.prototype.square = function(x, y, r) {
this.beginPath();
this.rect(x - r, y - r, r * 2, r * 2);
};
/**
* Draw a triangle shape
* @param {Number} x horizontal center
* @param {Number} y vertical center
* @param {Number} r radius, half the length of the sides of the triangle
*/
CanvasRenderingContext2D.prototype.triangle = function(x, y, r) {
// http://en.wikipedia.org/wiki/Equilateral_triangle
this.beginPath();
exports._loadSelectedForceSolver = function () {
// this overloads the this._calculateNodeForces
if (this.constants.physics.barnesHut.enabled == true) {
this._clearMixin(RepulsionMixin);
this._clearMixin(HierarchialRepulsionMixin);
var s = r * 2;
var s2 = s / 2;
var ir = Math.sqrt(3) / 6 * s; // radius of inner circle
var h = Math.sqrt(s * s - s2 * s2); // height
this.constants.physics.centralGravity = this.constants.physics.barnesHut.centralGravity;
this.constants.physics.springLength = this.constants.physics.barnesHut.springLength;
this.constants.physics.springConstant = this.constants.physics.barnesHut.springConstant;
this.constants.physics.damping = this.constants.physics.barnesHut.damping;
this.moveTo(x, y - (h - ir));
this.lineTo(x + s2, y + ir);
this.lineTo(x - s2, y + ir);
this.lineTo(x, y - (h - ir));
this.closePath();
};
this._loadMixin(BarnesHutMixin);
}
else if (this.constants.physics.hierarchicalRepulsion.enabled == true) {
this._clearMixin(BarnesHutMixin);
this._clearMixin(RepulsionMixin);
/**
* Draw a triangle shape in downward orientation
* @param {Number} x horizontal center
* @param {Number} y vertical center
* @param {Number} r radius
*/
CanvasRenderingContext2D.prototype.triangleDown = function(x, y, r) {
// http://en.wikipedia.org/wiki/Equilateral_triangle
this.beginPath();
this.constants.physics.centralGravity = this.constants.physics.hierarchicalRepulsion.centralGravity;
this.constants.physics.springLength = this.constants.physics.hierarchicalRepulsion.springLength;
this.constants.physics.springConstant = this.constants.physics.hierarchicalRepulsion.springConstant;
this.constants.physics.damping = this.constants.physics.hierarchicalRepulsion.damping;
var s = r * 2;
var s2 = s / 2;
var ir = Math.sqrt(3) / 6 * s; // radius of inner circle
var h = Math.sqrt(s * s - s2 * s2); // height
this._loadMixin(HierarchialRepulsionMixin);
}
else {
this._clearMixin(BarnesHutMixin);
this._clearMixin(HierarchialRepulsionMixin);
this.barnesHutTree = undefined;
this.moveTo(x, y + (h - ir));
this.lineTo(x + s2, y - ir);
this.lineTo(x - s2, y - ir);
this.lineTo(x, y + (h - ir));
this.closePath();
};
this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity;
this.constants.physics.springLength = this.constants.physics.repulsion.springLength;
this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant;
this.constants.physics.damping = this.constants.physics.repulsion.damping;
/**
* Draw a star shape, a star with 5 points
* @param {Number} x horizontal center
* @param {Number} y vertical center
* @param {Number} r radius, half the length of the sides of the triangle
*/
CanvasRenderingContext2D.prototype.star = function(x, y, r) {
// http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/
this.beginPath();
this._loadMixin(RepulsionMixin);
}
};
for (var n = 0; n < 10; n++) {
var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5;
this.lineTo(
x + radius * Math.sin(n * 2 * Math.PI / 10),
y - radius * Math.cos(n * 2 * Math.PI / 10)
);
/**
* Before calculating the forces, we check if we need to cluster to keep up performance and we check
* if there is more than one node. If it is just one node, we dont calculate anything.
*
* @private
*/
exports._initializeForceCalculation = function () {
// stop calculation if there is only one node
if (this.nodeIndices.length == 1) {
this.nodes[this.nodeIndices[0]]._setForce(0, 0);
}
else {
// if there are too many nodes on screen, we cluster without repositioning
if (this.nodeIndices.length > this.constants.clustering.clusterThreshold && this.constants.clustering.enabled == true) {
this.clusterToFit(this.constants.clustering.reduceToNodes, false);
}
this.closePath();
};
/**
* http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas
*/
CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) {
var r2d = Math.PI/180;
if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x
if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y
this.beginPath();
this.moveTo(x+r,y);
this.lineTo(x+w-r,y);
this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false);
this.lineTo(x+w,y+h-r);
this.arc(x+w-r,y+h-r,r,0,r2d*90,false);
this.lineTo(x+r,y+h);
this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false);
this.lineTo(x,y+r);
this.arc(x+r,y+r,r,r2d*180,r2d*270,false);
};
// we now start the force calculation
this._calculateForces();
}
};
/**
* http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas
*/
CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) {
var kappa = .5522848,
ox = (w / 2) * kappa, // control point offset horizontal
oy = (h / 2) * kappa, // control point offset vertical
xe = x + w, // x-end
ye = y + h, // y-end
xm = x + w / 2, // x-middle
ym = y + h / 2; // y-middle
this.beginPath();
this.moveTo(x, ym);
this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
};
/**
* Calculate the external forces acting on the nodes
* Forces are caused by: edges, repulsing forces between nodes, gravity
* @private
*/
exports._calculateForces = function () {
// Gravity is required to keep separated groups from floating off
// the forces are reset to zero in this loop by using _setForce instead
// of _addForce
this._calculateGravitationalForces();
this._calculateNodeForces();
/**
* http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas
*/
CanvasRenderingContext2D.prototype.database = function(x, y, w, h) {
var f = 1/3;
var wEllipse = w;
var hEllipse = h * f;
var kappa = .5522848,
ox = (wEllipse / 2) * kappa, // control point offset horizontal
oy = (hEllipse / 2) * kappa, // control point offset vertical
xe = x + wEllipse, // x-end
ye = y + hEllipse, // y-end
xm = x + wEllipse / 2, // x-middle
ym = y + hEllipse / 2, // y-middle
ymb = y + (h - hEllipse/2), // y-midlle, bottom ellipse
yeb = y + h; // y-end, bottom ellipse
this.beginPath();
this.moveTo(xe, ym);
this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
this.lineTo(xe, ymb);
this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb);
this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb);
this.lineTo(x, ym);
};
/**
* Draw an arrow point (no line)
*/
CanvasRenderingContext2D.prototype.arrow = function(x, y, angle, length) {
// tail
var xt = x - length * Math.cos(angle);
var yt = y - length * Math.sin(angle);
// inner tail
// TODO: allow to customize different shapes
var xi = x - length * 0.9 * Math.cos(angle);
var yi = y - length * 0.9 * Math.sin(angle);
// left
var xl = xt + length / 3 * Math.cos(angle + 0.5 * Math.PI);
var yl = yt + length / 3 * Math.sin(angle + 0.5 * Math.PI);
// right
var xr = xt + length / 3 * Math.cos(angle - 0.5 * Math.PI);
var yr = yt + length / 3 * Math.sin(angle - 0.5 * Math.PI);
this.beginPath();
this.moveTo(x, y);
this.lineTo(xl, yl);
this.lineTo(xi, yi);
this.lineTo(xr, yr);
this.closePath();
};
/**
* Sets up the dashedLine functionality for drawing
* Original code came from http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas
* @author David Jordan
* @date 2012-08-08
*/
CanvasRenderingContext2D.prototype.dashedLine = function(x,y,x2,y2,dashArray){
if (!dashArray) dashArray=[10,5];
if (dashLength==0) dashLength = 0.001; // Hack for Safari
var dashCount = dashArray.length;
this.moveTo(x, y);
var dx = (x2-x), dy = (y2-y);
var slope = dy/dx;
var distRemaining = Math.sqrt( dx*dx + dy*dy );
var dashIndex=0, draw=true;
while (distRemaining>=0.1){
var dashLength = dashArray[dashIndex++%dashCount];
if (dashLength > distRemaining) dashLength = distRemaining;
var xStep = Math.sqrt( dashLength*dashLength / (1 + slope*slope) );
if (dx<0) xStep = -xStep;
x += xStep;
y += slope*xStep;
this[draw ? 'lineTo' : 'moveTo'](x,y);
distRemaining -= dashLength;
draw = !draw;
}
};
// TODO: add diamond shape
}
/***/ },
/* 62 */
/***/ function(module, exports, __webpack_require__) {
var util = __webpack_require__(1);
var RepulsionMixin = __webpack_require__(63);
var HierarchialRepulsionMixin = __webpack_require__(64);
var BarnesHutMixin = __webpack_require__(65);
/**
* Toggling barnes Hut calculation on and off.
*
* @private
*/
exports._toggleBarnesHut = function () {
this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled;
this._loadSelectedForceSolver();
this.moving = true;
this.start();
};
/**
* This loads the node force solver based on the barnes hut or repulsion algorithm
*
* @private
*/
exports._loadSelectedForceSolver = function () {
// this overloads the this._calculateNodeForces
if (this.constants.physics.barnesHut.enabled == true) {
this._clearMixin(RepulsionMixin);
this._clearMixin(HierarchialRepulsionMixin);
this.constants.physics.centralGravity = this.constants.physics.barnesHut.centralGravity;
this.constants.physics.springLength = this.constants.physics.barnesHut.springLength;
this.constants.physics.springConstant = this.constants.physics.barnesHut.springConstant;
this.constants.physics.damping = this.constants.physics.barnesHut.damping;
this._loadMixin(BarnesHutMixin);
}
else if (this.constants.physics.hierarchicalRepulsion.enabled == true) {
this._clearMixin(BarnesHutMixin);
this._clearMixin(RepulsionMixin);
this.constants.physics.centralGravity = this.constants.physics.hierarchicalRepulsion.centralGravity;
this.constants.physics.springLength = this.constants.physics.hierarchicalRepulsion.springLength;
this.constants.physics.springConstant = this.constants.physics.hierarchicalRepulsion.springConstant;
this.constants.physics.damping = this.constants.physics.hierarchicalRepulsion.damping;
this._loadMixin(HierarchialRepulsionMixin);
}
else {
this._clearMixin(BarnesHutMixin);
this._clearMixin(HierarchialRepulsionMixin);
this.barnesHutTree = undefined;
this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity;
this.constants.physics.springLength = this.constants.physics.repulsion.springLength;
this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant;
this.constants.physics.damping = this.constants.physics.repulsion.damping;
this._loadMixin(RepulsionMixin);
}
};
/**
* Before calculating the forces, we check if we need to cluster to keep up performance and we check
* if there is more than one node. If it is just one node, we dont calculate anything.
*
* @private
*/
exports._initializeForceCalculation = function () {
// stop calculation if there is only one node
if (this.nodeIndices.length == 1) {
this.nodes[this.nodeIndices[0]]._setForce(0, 0);
}
else {
// if there are too many nodes on screen, we cluster without repositioning
if (this.nodeIndices.length > this.constants.clustering.clusterThreshold && this.constants.clustering.enabled == true) {
this.clusterToFit(this.constants.clustering.reduceToNodes, false);
}
// we now start the force calculation
this._calculateForces();
}
};
/**
* Calculate the external forces acting on the nodes
* Forces are caused by: edges, repulsing forces between nodes, gravity
* @private
*/
exports._calculateForces = function () {
// Gravity is required to keep separated groups from floating off
// the forces are reset to zero in this loop by using _setForce instead
// of _addForce
this._calculateGravitationalForces();
this._calculateNodeForces();
if (this.constants.physics.springConstant > 0) {
if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) {
this._calculateSpringForcesWithSupport();
}
else {
if (this.constants.physics.hierarchicalRepulsion.enabled == true) {
this._calculateHierarchicalSpringForces();
}
else {
this._calculateSpringForces();
}
}
}
};
if (this.constants.physics.springConstant > 0) {
if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) {
this._calculateSpringForcesWithSupport();
}
else {
if (this.constants.physics.hierarchicalRepulsion.enabled == true) {
this._calculateHierarchicalSpringForces();
}
else {
this._calculateSpringForces();
}
}
}
};
/**
@ -29803,7 +29533,7 @@ return /******/ (function(modules) { // webpackBootstrap
/***/ },
/* 63 */
/* 61 */
/***/ function(module, exports, __webpack_require__) {
/**
@ -29867,7 +29597,7 @@ return /******/ (function(modules) { // webpackBootstrap
/***/ },
/* 64 */
/* 62 */
/***/ function(module, exports, __webpack_require__) {
/**
@ -30026,7 +29756,7 @@ return /******/ (function(modules) { // webpackBootstrap
};
/***/ },
/* 65 */
/* 63 */
/***/ function(module, exports, __webpack_require__) {
/**
@ -30431,7 +30161,7 @@ return /******/ (function(modules) { // webpackBootstrap
/***/ },
/* 66 */
/* 64 */
/***/ function(module, exports, __webpack_require__) {
/**
@ -31574,7 +31304,7 @@ return /******/ (function(modules) { // webpackBootstrap
/***/ },
/* 67 */
/* 65 */
/***/ function(module, exports, __webpack_require__) {
var util = __webpack_require__(1);
@ -32133,7 +31863,7 @@ return /******/ (function(modules) { // webpackBootstrap
/***/ },
/* 68 */
/* 66 */
/***/ function(module, exports, __webpack_require__) {
var Node = __webpack_require__(56);
@ -32847,7 +32577,7 @@ return /******/ (function(modules) { // webpackBootstrap
/***/ },
/* 69 */
/* 67 */
/***/ function(module, exports, __webpack_require__) {
var util = __webpack_require__(1);
@ -33533,7 +33263,7 @@ return /******/ (function(modules) { // webpackBootstrap
/***/ },
/* 70 */
/* 68 */
/***/ function(module, exports, __webpack_require__) {
var util = __webpack_require__(1);
@ -33713,7 +33443,7 @@ return /******/ (function(modules) { // webpackBootstrap
/***/ },
/* 71 */
/* 69 */
/***/ function(module, exports, __webpack_require__) {
exports._resetLevels = function() {
@ -34129,6 +33859,278 @@ return /******/ (function(modules) { // webpackBootstrap
};
/***/ },
/* 70 */
/***/ function(module, exports, __webpack_require__) {
// English
exports['en'] = {
edit: 'Edit',
del: 'Delete selected',
back: 'Back',
addNode: 'Add Node',
addEdge: 'Add Edge',
editNode: 'Edit Node',
editEdge: 'Edit Edge',
addDescription: 'Click in an empty space to place a new node.',
edgeDescription: 'Click on a node and drag the edge to another node to connect them.',
editEdgeDescription: 'Click on the control points and drag them to a node to connect to it.',
createEdgeError: 'Cannot link edges to a cluster.',
deleteClusterError: 'Clusters cannot be deleted.'
};
exports['en_EN'] = exports['en'];
exports['en_US'] = exports['en'];
// Dutch
exports['nl'] = {
edit: 'Wijzigen',
del: 'Selectie verwijderen',
back: 'Terug',
addNode: 'Node toevoegen',
addEdge: 'Link toevoegen',
editNode: 'Node wijzigen',
editEdge: 'Link wijzigen',
addDescription: 'Klik op een leeg gebied om een nieuwe node te maken.',
edgeDescription: 'Klik op een node en sleep de link naar een andere node om ze te verbinden.',
editEdgeDescription: 'Klik op de verbindingspunten en sleep ze naar een node om daarmee te verbinden.',
createEdgeError: 'Kan geen link maken naar een cluster.',
deleteClusterError: 'Clusters kunnen niet worden verwijderd.'
};
exports['nl_NL'] = exports['nl'];
exports['nl_BE'] = exports['nl'];
/***/ },
/* 71 */
/***/ function(module, exports, __webpack_require__) {
/**
* Canvas shapes used by Network
*/
if (typeof CanvasRenderingContext2D !== 'undefined') {
/**
* Draw a circle shape
*/
CanvasRenderingContext2D.prototype.circle = function(x, y, r) {
this.beginPath();
this.arc(x, y, r, 0, 2*Math.PI, false);
};
/**
* Draw a square shape
* @param {Number} x horizontal center
* @param {Number} y vertical center
* @param {Number} r size, width and height of the square
*/
CanvasRenderingContext2D.prototype.square = function(x, y, r) {
this.beginPath();
this.rect(x - r, y - r, r * 2, r * 2);
};
/**
* Draw a triangle shape
* @param {Number} x horizontal center
* @param {Number} y vertical center
* @param {Number} r radius, half the length of the sides of the triangle
*/
CanvasRenderingContext2D.prototype.triangle = function(x, y, r) {
// http://en.wikipedia.org/wiki/Equilateral_triangle
this.beginPath();
var s = r * 2;
var s2 = s / 2;
var ir = Math.sqrt(3) / 6 * s; // radius of inner circle
var h = Math.sqrt(s * s - s2 * s2); // height
this.moveTo(x, y - (h - ir));
this.lineTo(x + s2, y + ir);
this.lineTo(x - s2, y + ir);
this.lineTo(x, y - (h - ir));
this.closePath();
};
/**
* Draw a triangle shape in downward orientation
* @param {Number} x horizontal center
* @param {Number} y vertical center
* @param {Number} r radius
*/
CanvasRenderingContext2D.prototype.triangleDown = function(x, y, r) {
// http://en.wikipedia.org/wiki/Equilateral_triangle
this.beginPath();
var s = r * 2;
var s2 = s / 2;
var ir = Math.sqrt(3) / 6 * s; // radius of inner circle
var h = Math.sqrt(s * s - s2 * s2); // height
this.moveTo(x, y + (h - ir));
this.lineTo(x + s2, y - ir);
this.lineTo(x - s2, y - ir);
this.lineTo(x, y + (h - ir));
this.closePath();
};
/**
* Draw a star shape, a star with 5 points
* @param {Number} x horizontal center
* @param {Number} y vertical center
* @param {Number} r radius, half the length of the sides of the triangle
*/
CanvasRenderingContext2D.prototype.star = function(x, y, r) {
// http://www.html5canvastutorials.com/labs/html5-canvas-star-spinner/
this.beginPath();
for (var n = 0; n < 10; n++) {
var radius = (n % 2 === 0) ? r * 1.3 : r * 0.5;
this.lineTo(
x + radius * Math.sin(n * 2 * Math.PI / 10),
y - radius * Math.cos(n * 2 * Math.PI / 10)
);
}
this.closePath();
};
/**
* http://stackoverflow.com/questions/1255512/how-to-draw-a-rounded-rectangle-on-html-canvas
*/
CanvasRenderingContext2D.prototype.roundRect = function(x, y, w, h, r) {
var r2d = Math.PI/180;
if( w - ( 2 * r ) < 0 ) { r = ( w / 2 ); } //ensure that the radius isn't too large for x
if( h - ( 2 * r ) < 0 ) { r = ( h / 2 ); } //ensure that the radius isn't too large for y
this.beginPath();
this.moveTo(x+r,y);
this.lineTo(x+w-r,y);
this.arc(x+w-r,y+r,r,r2d*270,r2d*360,false);
this.lineTo(x+w,y+h-r);
this.arc(x+w-r,y+h-r,r,0,r2d*90,false);
this.lineTo(x+r,y+h);
this.arc(x+r,y+h-r,r,r2d*90,r2d*180,false);
this.lineTo(x,y+r);
this.arc(x+r,y+r,r,r2d*180,r2d*270,false);
};
/**
* http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas
*/
CanvasRenderingContext2D.prototype.ellipse = function(x, y, w, h) {
var kappa = .5522848,
ox = (w / 2) * kappa, // control point offset horizontal
oy = (h / 2) * kappa, // control point offset vertical
xe = x + w, // x-end
ye = y + h, // y-end
xm = x + w / 2, // x-middle
ym = y + h / 2; // y-middle
this.beginPath();
this.moveTo(x, ym);
this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
};
/**
* http://stackoverflow.com/questions/2172798/how-to-draw-an-oval-in-html5-canvas
*/
CanvasRenderingContext2D.prototype.database = function(x, y, w, h) {
var f = 1/3;
var wEllipse = w;
var hEllipse = h * f;
var kappa = .5522848,
ox = (wEllipse / 2) * kappa, // control point offset horizontal
oy = (hEllipse / 2) * kappa, // control point offset vertical
xe = x + wEllipse, // x-end
ye = y + hEllipse, // y-end
xm = x + wEllipse / 2, // x-middle
ym = y + hEllipse / 2, // y-middle
ymb = y + (h - hEllipse/2), // y-midlle, bottom ellipse
yeb = y + h; // y-end, bottom ellipse
this.beginPath();
this.moveTo(xe, ym);
this.bezierCurveTo(xe, ym + oy, xm + ox, ye, xm, ye);
this.bezierCurveTo(xm - ox, ye, x, ym + oy, x, ym);
this.bezierCurveTo(x, ym - oy, xm - ox, y, xm, y);
this.bezierCurveTo(xm + ox, y, xe, ym - oy, xe, ym);
this.lineTo(xe, ymb);
this.bezierCurveTo(xe, ymb + oy, xm + ox, yeb, xm, yeb);
this.bezierCurveTo(xm - ox, yeb, x, ymb + oy, x, ymb);
this.lineTo(x, ym);
};
/**
* Draw an arrow point (no line)
*/
CanvasRenderingContext2D.prototype.arrow = function(x, y, angle, length) {
// tail
var xt = x - length * Math.cos(angle);
var yt = y - length * Math.sin(angle);
// inner tail
// TODO: allow to customize different shapes
var xi = x - length * 0.9 * Math.cos(angle);
var yi = y - length * 0.9 * Math.sin(angle);
// left
var xl = xt + length / 3 * Math.cos(angle + 0.5 * Math.PI);
var yl = yt + length / 3 * Math.sin(angle + 0.5 * Math.PI);
// right
var xr = xt + length / 3 * Math.cos(angle - 0.5 * Math.PI);
var yr = yt + length / 3 * Math.sin(angle - 0.5 * Math.PI);
this.beginPath();
this.moveTo(x, y);
this.lineTo(xl, yl);
this.lineTo(xi, yi);
this.lineTo(xr, yr);
this.closePath();
};
/**
* Sets up the dashedLine functionality for drawing
* Original code came from http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas
* @author David Jordan
* @date 2012-08-08
*/
CanvasRenderingContext2D.prototype.dashedLine = function(x,y,x2,y2,dashArray){
if (!dashArray) dashArray=[10,5];
if (dashLength==0) dashLength = 0.001; // Hack for Safari
var dashCount = dashArray.length;
this.moveTo(x, y);
var dx = (x2-x), dy = (y2-y);
var slope = dy/dx;
var distRemaining = Math.sqrt( dx*dx + dy*dy );
var dashIndex=0, draw=true;
while (distRemaining>=0.1){
var dashLength = dashArray[dashIndex++%dashCount];
if (dashLength > distRemaining) dashLength = distRemaining;
var xStep = Math.sqrt( dashLength*dashLength / (1 + slope*slope) );
if (dx<0) xStep = -xStep;
x += xStep;
y += slope*xStep;
this[draw ? 'lineTo' : 'moveTo'](x,y);
distRemaining -= dashLength;
draw = !draw;
}
};
// TODO: add diamond shape
}
/***/ }
/******/ ])
});

+ 8
- 3
examples/network/06_groups.html View File

@ -22,6 +22,7 @@
var nodes = null;
var edges = null;
var network = null;
var nodesData = null;
google.load('visualization', '1');
@ -130,11 +131,11 @@
nodeOffset += nodeCount;
group++;
}
nodesData = new vis.DataSet(nodes);
// create a network
var container = document.getElementById('mynetwork');
var data = {
nodes: nodes,
nodes: nodesData,
edges: edges
};
var options = {
@ -146,6 +147,10 @@
};
network = new vis.Network(container, data, options);
}
function dostuff() {
nodesData.update({id:16,group:null})
}
</script>
</head>
@ -158,7 +163,7 @@
<input type="submit" value="Go">
</form>
<br>
<input type="button" onclick="dostuff()">
<div id="mynetwork"></div>
</body>

+ 3
- 1
lib/network/Node.js View File

@ -172,7 +172,9 @@ Node.prototype.setProperties = function(properties, constants) {
}
}
}
else if (properties.color === undefined) {
this.options.color = constants.nodes.color;
}
// individual shape properties
if (properties.radius !== undefined) {this.baseRadiusValue = this.options.radius;}

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