You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
377 lines
11 KiB
377 lines
11 KiB
var util = require('../../../util');
|
|
|
|
import Label from './unified/label'
|
|
|
|
import Box from './nodes/shapes/box'
|
|
import Circle from './nodes/shapes/circle'
|
|
import CircularImage from './nodes/shapes/circularImage'
|
|
import Database from './nodes/shapes/database'
|
|
import Dot from './nodes/shapes/dot'
|
|
import Ellipse from './nodes/shapes/ellipse'
|
|
import Icon from './nodes/shapes/icon'
|
|
import Image from './nodes/shapes/image'
|
|
import Square from './nodes/shapes/square'
|
|
import Star from './nodes/shapes/star'
|
|
import Text from './nodes/shapes/text'
|
|
import Triangle from './nodes/shapes/triangle'
|
|
import TriangleDown from './nodes/shapes/triangleDown'
|
|
|
|
/**
|
|
* @class Node
|
|
* A node. A node can be connected to other nodes via one or multiple edges.
|
|
* @param {object} options An object containing options for the node. All
|
|
* options are optional, except for the id.
|
|
* {number} id Id of the node. Required
|
|
* {string} label Text label for the node
|
|
* {number} x Horizontal position of the node
|
|
* {number} y Vertical position of the node
|
|
* {string} shape Node shape, available:
|
|
* "database", "circle", "ellipse",
|
|
* "box", "image", "text", "dot",
|
|
* "star", "triangle", "triangleDown",
|
|
* "square", "icon"
|
|
* {string} image An image url
|
|
* {string} title An title text, can be HTML
|
|
* {anytype} group A group name or number
|
|
* @param {Network.Images} imagelist A list with images. Only needed
|
|
* when the node has an image
|
|
* @param {Network.Groups} grouplist A list with groups. Needed for
|
|
* retrieving group options
|
|
* @param {Object} constants An object with default values for
|
|
* example for the color
|
|
*
|
|
*/
|
|
class Node {
|
|
constructor(options, body, imagelist, grouplist, globalOptions) {
|
|
this.options = util.bridgeObject(globalOptions);
|
|
this.body = body;
|
|
|
|
this.edges = []; // all edges connected to this node
|
|
|
|
// set defaults for the options
|
|
this.id = undefined;
|
|
this.imagelist = imagelist;
|
|
this.grouplist = grouplist;
|
|
|
|
// state options
|
|
this.x = undefined;
|
|
this.y = undefined;
|
|
this.predefinedPosition = false; // used to check if initial zoomExtent should just take the range or approximate
|
|
this.selected = false;
|
|
this.hover = false;
|
|
|
|
this.labelModule = new Label(this.body, this.options);
|
|
this.setOptions(options);
|
|
}
|
|
|
|
|
|
/**
|
|
* Attach a edge to the node
|
|
* @param {Edge} edge
|
|
*/
|
|
attachEdge(edge) {
|
|
if (this.edges.indexOf(edge) == -1) {
|
|
this.edges.push(edge);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Detach a edge from the node
|
|
* @param {Edge} edge
|
|
*/
|
|
detachEdge(edge) {
|
|
var index = this.edges.indexOf(edge);
|
|
if (index != -1) {
|
|
this.edges.splice(index, 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Enable or disable the physics.
|
|
* @param status
|
|
*/
|
|
togglePhysics(status) {
|
|
this.options.physics = status;
|
|
}
|
|
|
|
|
|
/**
|
|
* Set or overwrite options for the node
|
|
* @param {Object} options an object with options
|
|
* @param {Object} constants and object with default, global options
|
|
*/
|
|
setOptions(options) {
|
|
if (!options) {
|
|
return;
|
|
}
|
|
|
|
var fields = [
|
|
'borderWidth',
|
|
'borderWidthSelected',
|
|
'brokenImage',
|
|
'customScalingFunction',
|
|
'font',
|
|
'hidden',
|
|
'icon',
|
|
'id',
|
|
'image',
|
|
'label',
|
|
'level',
|
|
'physics',
|
|
'shape',
|
|
'size',
|
|
'value',
|
|
'x',
|
|
'y'
|
|
];
|
|
util.selectiveDeepExtend(fields, this.options, options);
|
|
// basic options
|
|
if (options.id !== undefined) {
|
|
this.id = options.id;
|
|
}
|
|
if (options.x !== undefined) {
|
|
this.x = options.x;
|
|
this.predefinedPosition = true;
|
|
}
|
|
if (options.y !== undefined) {
|
|
this.y = options.y;
|
|
this.predefinedPosition = true;
|
|
}
|
|
if (options.value !== undefined) {
|
|
this.value = options.value;
|
|
}
|
|
if (options.level !== undefined) {
|
|
this.level = options.level;
|
|
this.preassignedLevel = true;
|
|
}
|
|
|
|
if (this.id === undefined) {
|
|
throw "Node must have an id";
|
|
}
|
|
|
|
// copy group options
|
|
if (typeof options.group === 'number' || (typeof options.group === 'string' && options.group != '')) {
|
|
var groupObj = this.grouplist.get(options.group);
|
|
util.deepExtend(this.options, groupObj);
|
|
// the color object needs to be completely defined. Since groups can partially overwrite the colors, we parse it again, just in case.
|
|
this.options.color = util.parseColor(this.options.color);
|
|
}
|
|
// individual shape options
|
|
if (options.color !== undefined) {
|
|
this.options.color = util.parseColor(options.color);
|
|
}
|
|
|
|
if (this.options.image !== undefined && this.options.image != "") {
|
|
if (this.imagelist) {
|
|
this.imageObj = this.imagelist.load(this.options.image, this.options.brokenImage);
|
|
}
|
|
else {
|
|
throw "No imagelist provided";
|
|
}
|
|
}
|
|
|
|
if (options.fixed !== undefined) {
|
|
if (typeof options.fixed == 'boolean') {
|
|
this.options.fixed.x = true;
|
|
this.options.fixed.y = true;
|
|
}
|
|
else {
|
|
if (options.fixed.x !== undefined && typeof options.fixed.x == 'boolean') {
|
|
this.options.fixed.x = options.fixed.x;
|
|
}
|
|
if (options.fixed.y !== undefined && typeof options.fixed.y == 'boolean') {
|
|
this.options.fixed.y = options.fixed.y;
|
|
}
|
|
}
|
|
}
|
|
|
|
// choose draw method depending on the shape
|
|
switch (this.options.shape) {
|
|
case 'database':
|
|
this.shape = new Database(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'box':
|
|
this.shape = new Box(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'circle':
|
|
this.shape = new Circle(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'ellipse':
|
|
this.shape = new Ellipse(this.options, this.body, this.labelModule);
|
|
break;
|
|
// TODO: add diamond shape
|
|
case 'image':
|
|
this.shape = new Image(this.options, this.body, this.labelModule, this.imageObj);
|
|
break;
|
|
case 'circularImage':
|
|
this.shape = new CircularImage(this.options, this.body, this.labelModule, this.imageObj);
|
|
break;
|
|
case 'text':
|
|
this.shape = new Text(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'dot':
|
|
this.shape = new Dot(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'square':
|
|
this.shape = new Square(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'triangle':
|
|
this.shape = new Triangle(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'triangleDown':
|
|
this.shape = new TriangleDown(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'star':
|
|
this.shape = new Star(this.options, this.body, this.labelModule);
|
|
break;
|
|
case 'icon':
|
|
this.shape = new Icon(this.options, this.body, this.labelModule);
|
|
break;
|
|
default:
|
|
this.shape = new Ellipse(this.options, this.body, this.labelModule);
|
|
break;
|
|
}
|
|
|
|
this.labelModule.setOptions(this.options, options);
|
|
|
|
// reset the size of the node, this can be changed
|
|
this._reset();
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* select this node
|
|
*/
|
|
select() {
|
|
this.selected = true;
|
|
this._reset();
|
|
}
|
|
|
|
|
|
/**
|
|
* unselect this node
|
|
*/
|
|
unselect() {
|
|
this.selected = false;
|
|
this._reset();
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Reset the calculated size of the node, forces it to recalculate its size
|
|
* @private
|
|
*/
|
|
_reset() {
|
|
this.shape.width = undefined;
|
|
this.shape.height = undefined;
|
|
}
|
|
|
|
|
|
/**
|
|
* get the title of this node.
|
|
* @return {string} title The title of the node, or undefined when no title
|
|
* has been set.
|
|
*/
|
|
getTitle() {
|
|
return typeof this.title === "function" ? this.title() : this.title;
|
|
}
|
|
|
|
|
|
/**
|
|
* Calculate the distance to the border of the Node
|
|
* @param {CanvasRenderingContext2D} ctx
|
|
* @param {Number} angle Angle in radians
|
|
* @returns {number} distance Distance to the border in pixels
|
|
*/
|
|
distanceToBorder(ctx, angle) {
|
|
return this.shape.distanceToBorder(ctx,angle);
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if this node has a fixed x and y position
|
|
* @return {boolean} true if fixed, false if not
|
|
*/
|
|
isFixed() {
|
|
return (this.options.fixed.x && this.options.fixed.y);
|
|
}
|
|
|
|
|
|
/**
|
|
* check if this node is selecte
|
|
* @return {boolean} selected True if node is selected, else false
|
|
*/
|
|
isSelected() {
|
|
return this.selected;
|
|
}
|
|
|
|
|
|
/**
|
|
* Retrieve the value of the node. Can be undefined
|
|
* @return {Number} value
|
|
*/
|
|
getValue() {
|
|
return this.value;
|
|
}
|
|
|
|
|
|
/**
|
|
* Adjust the value range of the node. The node will adjust it's size
|
|
* based on its value.
|
|
* @param {Number} min
|
|
* @param {Number} max
|
|
*/
|
|
setValueRange(min, max, total) {
|
|
if (this.value !== undefined) {
|
|
var scale = this.options.scaling.customScalingFunction(min, max, total, this.value);
|
|
var sizeDiff = this.options.scaling.max - this.options.scaling.min;
|
|
if (this.options.scaling.label.enabled == true) {
|
|
var fontDiff = this.options.scaling.label.max - this.options.scaling.label.min;
|
|
this.options.font.size = this.options.scaling.label.min + scale * fontDiff;
|
|
}
|
|
this.options.size = this.options.scaling.min + scale * sizeDiff;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Draw this node in the given canvas
|
|
* The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d");
|
|
* @param {CanvasRenderingContext2D} ctx
|
|
*/
|
|
draw(ctx) {
|
|
this.shape.draw(ctx, this.x, this.y, this.selected, this.hover);
|
|
}
|
|
|
|
|
|
/**
|
|
* Recalculate the size of this node in the given canvas
|
|
* The 2d context of a HTML canvas can be retrieved by canvas.getContext("2d");
|
|
* @param {CanvasRenderingContext2D} ctx
|
|
*/
|
|
resize(ctx) {
|
|
this.shape.resize(ctx);
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if this object is overlapping with the provided object
|
|
* @param {Object} obj an object with parameters left, top, right, bottom
|
|
* @return {boolean} True if location is located on node
|
|
*/
|
|
isOverlappingWith(obj) {
|
|
return (
|
|
this.shape.left < obj.right &&
|
|
this.shape.left + this.shape.width > obj.left &&
|
|
this.shape.top < obj.bottom &&
|
|
this.shape.top + this.shape.height > obj.top
|
|
);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
export default Node;
|