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drawflow.js
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drawflow.js
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export default class Drawflow {
constructor(container, render = null) {
this.events = {};
this.container = container;
this.precanvas = null;
this.nodeId = 1;
this.ele_selected = null;
this.node_selected = null;
this.drag = false;
this.reroute = false;
this.reroute_fix_curvature = false;
this.curvature = 0.5;
this.reroute_curvature_start_end = 0.5;
this.reroute_curvature = 0.5;
this.reroute_width = 6;
this.drag_point = false;
this.editor_selected = false;
this.connection = false;
this.connection_ele = null;
this.connection_selected = null;
this.canvas_x = 0;
this.canvas_y = 0;
this.pos_x = 0;
this.pos_x_start = 0;
this.pos_y = 0;
this.pos_y_start = 0;
this.mouse_x = 0;
this.mouse_y = 0;
this.line_path = 5;
this.first_click = null;
this.force_first_input = false;
this.draggable_inputs = true;
this.select_elements = null;
this.noderegister = {};
this.render = render;
this.drawflow = { "drawflow": { "Home": { "data": {} }}};
// Configurable options
this.module = 'Home';
this.editor_mode = 'edit';
this.zoom = 1;
this.zoom_max = 1.6;
this.zoom_min = 0.5;
this.zoom_value = 0.1;
this.zoom_last_value = 1;
// Mobile
this.evCache = new Array();
this.prevDiff = -1;
}
start () {
// console.info("Start Drawflow!!");
this.container.classList.add("parent-drawflow");
this.container.tabIndex = 0;
this.precanvas = document.createElement('div');
this.precanvas.classList.add("drawflow");
this.container.appendChild(this.precanvas);
/* Mouse and Touch Actions */
this.container.addEventListener('mouseup', this.dragEnd.bind(this));
this.container.addEventListener('mousemove', this.position.bind(this));
this.container.addEventListener('mousedown', this.click.bind(this) );
this.container.addEventListener('touchend', this.dragEnd.bind(this));
this.container.addEventListener('touchmove', this.position.bind(this));
this.container.addEventListener('touchstart', this.click.bind(this));
/* Context Menu */
this.container.addEventListener('contextmenu', this.contextmenu.bind(this));
/* Delete */
this.container.addEventListener('keydown', this.key.bind(this));
/* Zoom Mouse */
this.container.addEventListener('wheel', this.zoom_enter.bind(this));
/* Update data Nodes */
this.container.addEventListener('input', this.updateNodeValue.bind(this));
this.container.addEventListener('dblclick', this.dblclick.bind(this));
/* Mobile zoom */
this.container.onpointerdown = this.pointerdown_handler.bind(this);
this.container.onpointermove = this.pointermove_handler.bind(this);
this.container.onpointerup = this.pointerup_handler.bind(this);
this.container.onpointercancel = this.pointerup_handler.bind(this);
this.container.onpointerout = this.pointerup_handler.bind(this);
this.container.onpointerleave = this.pointerup_handler.bind(this);
this.load();
}
/* Mobile zoom */
pointerdown_handler(ev) {
this.evCache.push(ev);
}
pointermove_handler(ev) {
for (var i = 0; i < this.evCache.length; i++) {
if (ev.pointerId == this.evCache[i].pointerId) {
this.evCache[i] = ev;
break;
}
}
if (this.evCache.length == 2) {
// Calculate the distance between the two pointers
var curDiff = Math.abs(this.evCache[0].clientX - this.evCache[1].clientX);
if (this.prevDiff > 100) {
if (curDiff > this.prevDiff) {
// The distance between the two pointers has increased
this.zoom_in();
}
if (curDiff < this.prevDiff) {
// The distance between the two pointers has decreased
this.zoom_out();
}
}
this.prevDiff = curDiff;
}
}
pointerup_handler(ev) {
this.remove_event(ev);
if (this.evCache.length < 2) {
this.prevDiff = -1;
}
}
remove_event(ev) {
// Remove this event from the target's cache
for (var i = 0; i < this.evCache.length; i++) {
if (this.evCache[i].pointerId == ev.pointerId) {
this.evCache.splice(i, 1);
break;
}
}
}
/* End Mobile Zoom */
load() {
for (var key in this.drawflow.drawflow[this.module].data) {
this.addNodeImport(this.drawflow.drawflow[this.module].data[key], this.precanvas);
}
if(this.reroute) {
for (var key in this.drawflow.drawflow[this.module].data) {
this.addRerouteImport(this.drawflow.drawflow[this.module].data[key]);
}
}
for (var key in this.drawflow.drawflow[this.module].data) {
this.updateConnectionNodes('node-'+key);
}
const editor = this.drawflow.drawflow
let number = 1;
Object.keys(editor).map(function(moduleName, index) {
Object.keys(editor[moduleName].data).map(function(id, index2) {
if(parseInt(id) >= number) {
number = parseInt(id)+1;
}
})
});
this.nodeId = number;
}
removeReouteConnectionSelected(){
if(this.reroute_fix_curvature) {
this.connection_selected.parentElement.querySelectorAll(".main-path").forEach((item, i) => {
item.classList.remove("selected");
});
}
}
click(e) {
this.dispatch('click', e);
if(this.editor_mode === 'fixed') {
//return false;
if(e.target.classList[0] === 'parent-drawflow' || e.target.classList[0] === 'drawflow') {
this.ele_selected = e.target.closest(".parent-drawflow");
} else {
return false;
}
} else {
this.first_click = e.target;
this.ele_selected = e.target;
if(e.button === 0) {
this.contextmenuDel();
}
if(e.target.closest(".drawflow_content_node") != null) {
this.ele_selected = e.target.closest(".drawflow_content_node").parentElement;
}
}
switch (this.ele_selected.classList[0]) {
case 'drawflow-node':
if(this.node_selected != null) {
this.node_selected.classList.remove("selected");
if(this.node_selected != this.ele_selected) {
this.dispatch('nodeUnselected', true);
}
}
if(this.connection_selected != null) {
this.connection_selected.classList.remove("selected");
this.removeReouteConnectionSelected();
this.connection_selected = null;
}
if(this.node_selected != this.ele_selected) {
this.dispatch('nodeSelected', this.ele_selected.id.slice(5));
}
this.node_selected = this.ele_selected;
this.node_selected.classList.add("selected");
if(!this.draggable_inputs) {
if(e.target.tagName !== 'INPUT' && e.target.tagName !== 'TEXTAREA' && e.target.hasAttribute('contenteditable') !== true) {
this.drag = true;
}
} else {
this.drag = true;
}
break;
case 'output':
this.connection = true;
if(this.node_selected != null) {
this.node_selected.classList.remove("selected");
this.node_selected = null;
this.dispatch('nodeUnselected', true);
}
if(this.connection_selected != null) {
this.connection_selected.classList.remove("selected");
this.removeReouteConnectionSelected();
this.connection_selected = null;
}
this.drawConnection(e.target);
break;
case 'parent-drawflow':
if(this.node_selected != null) {
this.node_selected.classList.remove("selected");
this.node_selected = null;
this.dispatch('nodeUnselected', true);
}
if(this.connection_selected != null) {
this.connection_selected.classList.remove("selected");
this.removeReouteConnectionSelected();
this.connection_selected = null;
}
this.editor_selected = true;
break;
case 'drawflow':
if(this.node_selected != null) {
this.node_selected.classList.remove("selected");
this.node_selected = null;
this.dispatch('nodeUnselected', true);
}
if(this.connection_selected != null) {
this.connection_selected.classList.remove("selected");
this.removeReouteConnectionSelected();
this.connection_selected = null;
}
this.editor_selected = true;
break;
case 'main-path':
if(this.node_selected != null) {
this.node_selected.classList.remove("selected");
this.node_selected = null;
this.dispatch('nodeUnselected', true);
}
if(this.connection_selected != null) {
this.connection_selected.classList.remove("selected");
this.removeReouteConnectionSelected();
this.connection_selected = null;
}
this.connection_selected = this.ele_selected;
this.connection_selected.classList.add("selected");
if(this.reroute_fix_curvature) {
this.connection_selected.parentElement.querySelectorAll(".main-path").forEach((item, i) => {
item.classList.add("selected");
});
}
break;
case 'point':
this.drag_point = true;
this.ele_selected.classList.add("selected");
break;
case 'drawflow-delete':
if(this.node_selected ) {
this.removeNodeId(this.node_selected.id);
}
if(this.connection_selected) {
this.removeConnection()
}
if(this.node_selected != null) {
this.node_selected.classList.remove("selected");
this.node_selected = null;
this.dispatch('nodeUnselected', true);
}
if(this.connection_selected != null) {
this.connection_selected.classList.remove("selected");
this.removeReouteConnectionSelected();
this.connection_selected = null;
}
break;
default:
}
if (e.type === "touchstart") {
this.pos_x = e.touches[0].clientX;
this.pos_x_start = e.touches[0].clientX;
this.pos_y = e.touches[0].clientY;
this.pos_y_start = e.touches[0].clientY;
} else {
this.pos_x = e.clientX;
this.pos_x_start = e.clientX;
this.pos_y = e.clientY;
this.pos_y_start = e.clientY;
}
this.dispatch('clickEnd', e);
}
position(e) {
if (e.type === "touchmove") {
var e_pos_x = e.touches[0].clientX;
var e_pos_y = e.touches[0].clientY;
} else {
var e_pos_x = e.clientX;
var e_pos_y = e.clientY;
}
if(this.connection) {
this.updateConnection(e_pos_x, e_pos_y);
}
if(this.editor_selected) {
/*if (e.ctrlKey) {
this.selectElements(e_pos_x, e_pos_y);
} else { */
x = this.canvas_x + (-(this.pos_x - e_pos_x))
y = this.canvas_y + (-(this.pos_y - e_pos_y))
// console.log(canvas_x +' - ' +pos_x + ' - '+ e_pos_x + ' - ' + x);
this.dispatch('translate', { x: x, y: y});
this.precanvas.style.transform = "translate("+x+"px, "+y+"px) scale("+this.zoom+")";
//}
}
if(this.drag) {
var x = (this.pos_x - e_pos_x) * this.precanvas.clientWidth / (this.precanvas.clientWidth * this.zoom);
var y = (this.pos_y - e_pos_y) * this.precanvas.clientHeight / (this.precanvas.clientHeight * this.zoom);
this.pos_x = e_pos_x;
this.pos_y = e_pos_y;
this.ele_selected.style.top = (this.ele_selected.offsetTop - y) + "px";
this.ele_selected.style.left = (this.ele_selected.offsetLeft - x) + "px";
this.drawflow.drawflow[this.module].data[this.ele_selected.id.slice(5)].pos_x = (this.ele_selected.offsetLeft - x);
this.drawflow.drawflow[this.module].data[this.ele_selected.id.slice(5)].pos_y = (this.ele_selected.offsetTop - y);
this.updateConnectionNodes(this.ele_selected.id)
}
if(this.drag_point) {
var x = (this.pos_x - e_pos_x) * this.precanvas.clientWidth / (this.precanvas.clientWidth * this.zoom);
var y = (this.pos_y - e_pos_y) * this.precanvas.clientHeight / (this.precanvas.clientHeight * this.zoom);
this.pos_x = e_pos_x;
this.pos_y = e_pos_y;
var pos_x = this.pos_x * ( this.precanvas.clientWidth / (this.precanvas.clientWidth * this.zoom)) - (this.precanvas.getBoundingClientRect().x * ( this.precanvas.clientWidth / (this.precanvas.clientWidth * this.zoom)));
var pos_y = this.pos_y * ( this.precanvas.clientHeight / (this.precanvas.clientHeight * this.zoom)) - (this.precanvas.getBoundingClientRect().y * ( this.precanvas.clientHeight / (this.precanvas.clientHeight * this.zoom)));
this.ele_selected.setAttributeNS(null, 'cx', pos_x);
this.ele_selected.setAttributeNS(null, 'cy', pos_y);
const nodeUpdate = this.ele_selected.parentElement.classList[2].slice(9)
const nodeUpdateIn = this.ele_selected.parentElement.classList[1].slice(13);
const output_class = this.ele_selected.parentElement.classList[3];
const input_class = this.ele_selected.parentElement.classList[4];
let numberPointPosition = Array.from(this.ele_selected.parentElement.children).indexOf(this.ele_selected)-1;
if(this.reroute_fix_curvature) {
const numberMainPath = this.ele_selected.parentElement.querySelectorAll(".main-path").length-1
numberPointPosition -= numberMainPath;
if(numberPointPosition < 0) {
numberPointPosition = 0;
}
}
const nodeId = nodeUpdate.slice(5);
const searchConnection = this.drawflow.drawflow[this.module].data[nodeId].outputs[output_class].connections.findIndex(function(item,i) {
return item.node === nodeUpdateIn && item.output === input_class;
});
this.drawflow.drawflow[this.module].data[nodeId].outputs[output_class].connections[searchConnection].points[numberPointPosition] = { pos_x: pos_x, pos_y: pos_y };
const parentSelected = this.ele_selected.parentElement.classList[2].slice(9);
/*this.drawflow.drawflow[this.module].data[this.ele_selected.id.slice(5)].pos_x = (this.ele_selected.offsetLeft - x);
this.drawflow.drawflow[this.module].data[this.ele_selected.id.slice(5)].pos_y = (this.ele_selected.offsetTop - y);
*/
this.updateConnectionNodes(parentSelected);
}
if (e.type === "touchmove") {
this.mouse_x = e_pos_x;
this.mouse_y = e_pos_y;
}
this.dispatch('mouseMove', {x: e_pos_x,y: e_pos_y });
}
dragEnd(e) {
if(this.select_elements != null) {
this.select_elements.remove();
this.select_elements = null;
}
if (e.type === "touchend") {
var e_pos_x = this.mouse_x;
var e_pos_y = this.mouse_y;
var ele_last = document.elementFromPoint(e_pos_x, e_pos_y);
} else {
var e_pos_x = e.clientX;
var e_pos_y = e.clientY;
var ele_last = e.target;
}
if(this.drag) {
if(this.pos_x_start != e_pos_x || this.pos_y_start != e_pos_y) {
this.dispatch('nodeMoved', this.ele_selected.id.slice(5));
}
}
if(this.drag_point) {
this.ele_selected.classList.remove("selected");
}
if(this.editor_selected) {
this.canvas_x = this.canvas_x + (-(this.pos_x - e_pos_x));
this.canvas_y = this.canvas_y + (-(this.pos_y - e_pos_y));
this.editor_selected = false;
}
if(this.connection === true) {
//console.log(ele_last)
if(ele_last.classList[0] === 'input' || (this.force_first_input && (ele_last.closest(".drawflow_content_node") != null || ele_last.classList[0] === 'drawflow-node'))) {
if(this.force_first_input && (ele_last.closest(".drawflow_content_node") != null || ele_last.classList[0] === 'drawflow-node')) {
if(ele_last.closest(".drawflow_content_node") != null) {
var input_id = ele_last.closest(".drawflow_content_node").parentElement.id;
} else {
var input_id = ele_last.id;
}
if(Object.keys(this.getNodeFromId(input_id.slice(5)).inputs).length === 0) {
var input_class = false;
} else {
var input_class = "input_1";
}
} else {
// Fix connection;
var input_id = ele_last.parentElement.parentElement.id;
var input_class = ele_last.classList[1];
}
var output_id = this.ele_selected.parentElement.parentElement.id;
var output_class = this.ele_selected.classList[1];
if(output_id !== input_id && input_class !== false) {
if(this.container.querySelectorAll('.connection.node_in_'+input_id+'.node_out_'+output_id+'.'+output_class+'.'+input_class).length === 0) {
// Conection no exist save connection
this.connection_ele.classList.add("node_in_"+input_id);
this.connection_ele.classList.add("node_out_"+output_id);
this.connection_ele.classList.add(output_class);
this.connection_ele.classList.add(input_class);
var id_input = input_id.slice(5);
var id_output = output_id.slice(5);
this.drawflow.drawflow[this.module].data[id_output].outputs[output_class].connections.push( {"node": id_input, "output": input_class});
this.drawflow.drawflow[this.module].data[id_input].inputs[input_class].connections.push( {"node": id_output, "input": output_class});
this.updateConnectionNodes('node-'+id_output);
this.updateConnectionNodes('node-'+id_input);
this.dispatch('connectionCreated', { output_id: id_output, input_id: id_input, output_class: output_class, input_class: input_class});
} else {
this.connection_ele.remove();
}
this.connection_ele = null;
} else {
// Connection exists Remove Connection;
this.connection_ele.remove();
this.connection_ele = null;
}
} else {
// Remove Connection;
this.connection_ele.remove();
this.connection_ele = null;
}
}
this.drag = false;
this.drag_point = false;
this.connection = false;
this.ele_selected = null;
this.editor_selected = false;
}
contextmenu(e) {
this.dispatch('contextmenu', e);
e.preventDefault();
if(this.editor_mode === 'fixed') {
return false;
}
if(this.precanvas.getElementsByClassName("drawflow-delete").length) {
this.precanvas.getElementsByClassName("drawflow-delete")[0].remove()
};
if(this.node_selected || this.connection_selected) {
var deletebox = document.createElement('div');
deletebox.classList.add("drawflow-delete");
deletebox.innerHTML = "x";
if(this.node_selected) {
this.node_selected.appendChild(deletebox);
}
if(this.connection_selected) {
deletebox.style.top = e.clientY * ( this.precanvas.clientHeight / (this.precanvas.clientHeight * this.zoom)) - (this.precanvas.getBoundingClientRect().y * ( this.precanvas.clientHeight / (this.precanvas.clientHeight * this.zoom)) ) + "px";
deletebox.style.left = e.clientX * ( this.precanvas.clientWidth / (this.precanvas.clientWidth * this.zoom)) - (this.precanvas.getBoundingClientRect().x * ( this.precanvas.clientWidth / (this.precanvas.clientWidth * this.zoom)) ) + "px";
this.precanvas.appendChild(deletebox);
}
}
}
contextmenuDel() {
if(this.precanvas.getElementsByClassName("drawflow-delete").length) {
this.precanvas.getElementsByClassName("drawflow-delete")[0].remove()
};
}
key(e) {
this.dispatch('keydown', e);
if(this.editor_mode === 'fixed') {
return false;
}
if (e.key === 'Delete' || (e.key === 'Backspace' && e.metaKey)) {
if(this.node_selected != null) {
if(this.first_click.tagName !== 'INPUT' && this.first_click.tagName !== 'TEXTAREA' && this.first_click.hasAttribute('contenteditable') !== true) {
this.removeNodeId(this.node_selected.id);
}
}
if(this.connection_selected != null) {
this.removeConnection();
}
}
}
zoom_enter(event, delta) {
if (event.ctrlKey) {
event.preventDefault()
if(event.deltaY > 0) {
// Zoom Out
this.zoom_out();
} else {
// Zoom In
this.zoom_in();
}
//this.precanvas.style.transform = "translate("+this.canvas_x+"px, "+this.canvas_y+"px) scale("+this.zoom+")";
}
}
zoom_refresh(){
this.dispatch('zoom', this.zoom);
this.canvas_x = (this.canvas_x / this.zoom_last_value) * this.zoom;
this.canvas_y = (this.canvas_y / this.zoom_last_value) * this.zoom;
this.zoom_last_value = this.zoom;
this.precanvas.style.transform = "translate("+this.canvas_x+"px, "+this.canvas_y+"px) scale("+this.zoom+")";
}
zoom_in() {
if(this.zoom < this.zoom_max) {
this.zoom+=this.zoom_value;
this.zoom_refresh();
}
}
zoom_out() {
if(this.zoom > this.zoom_min) {
this.zoom-=this.zoom_value;
this.zoom_refresh();
}
}
zoom_reset(){
if(this.zoom != 1) {
this.zoom = 1;
this.zoom_refresh();
}
}
createCurvature(start_pos_x, start_pos_y, end_pos_x, end_pos_y, curvature_value, type) {
var line_x = start_pos_x;
var line_y = start_pos_y;
var x = end_pos_x;
var y = end_pos_y;
var curvature = curvature_value;
//type openclose open close other
switch (type) {
case 'open':
if(start_pos_x >= end_pos_x) {
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * (curvature*-1);
} else {
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
}
return ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;
break
case 'close':
if(start_pos_x >= end_pos_x) {
var hx1 = line_x + Math.abs(x - line_x) * (curvature*-1);
var hx2 = x - Math.abs(x - line_x) * curvature;
} else {
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
}
return ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;
break;
case 'other':
if(start_pos_x >= end_pos_x) {
var hx1 = line_x + Math.abs(x - line_x) * (curvature*-1);
var hx2 = x - Math.abs(x - line_x) * (curvature*-1);
} else {
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
}
return ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;
break;
default:
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
return ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;
}
}
drawConnection(ele) {
var connection = document.createElementNS('http://www.w3.org/2000/svg',"svg");
this.connection_ele = connection;
var path = document.createElementNS('http://www.w3.org/2000/svg',"path");
path.classList.add("main-path");
path.setAttributeNS(null, 'd', '');
// path.innerHTML = 'a';
connection.classList.add("connection");
connection.appendChild(path);
this.precanvas.appendChild(connection);
}
updateConnection(eX, eY) {
const precanvas = this.precanvas;
const zoom = this.zoom;
let precanvasWitdhZoom = precanvas.clientWidth / (precanvas.clientWidth * zoom);
precanvasWitdhZoom = precanvasWitdhZoom || 0;
let precanvasHeightZoom = precanvas.clientHeight / (precanvas.clientHeight * zoom);
precanvasHeightZoom = precanvasHeightZoom || 0;
var path = this.connection_ele.children[0];
/*var line_x = this.ele_selected.offsetWidth/2 + this.line_path/2 + this.ele_selected.parentElement.parentElement.offsetLeft + this.ele_selected.offsetLeft;
var line_y = this.ele_selected.offsetHeight/2 + this.line_path/2 + this.ele_selected.parentElement.parentElement.offsetTop + this.ele_selected.offsetTop;*/
var line_x = this.ele_selected.offsetWidth/2 + (this.ele_selected.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var line_y = this.ele_selected.offsetHeight/2 + (this.ele_selected.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
var x = eX * ( this.precanvas.clientWidth / (this.precanvas.clientWidth * this.zoom)) - (this.precanvas.getBoundingClientRect().x * ( this.precanvas.clientWidth / (this.precanvas.clientWidth * this.zoom)) );
var y = eY * ( this.precanvas.clientHeight / (this.precanvas.clientHeight * this.zoom)) - (this.precanvas.getBoundingClientRect().y * ( this.precanvas.clientHeight / (this.precanvas.clientHeight * this.zoom)) );
/*
var curvature = 0.5;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
*/
//path.setAttributeNS(null, 'd', 'M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y);
var curvature = this.curvature;
var lineCurve = this.createCurvature(line_x, line_y, x, y, curvature, 'openclose');
path.setAttributeNS(null, 'd', lineCurve);
}
addConnection(id_output, id_input, output_class, input_class) {
var nodeOneModule = this.getModuleFromNodeId(id_output);
var nodeTwoModule = this.getModuleFromNodeId(id_input);
if(nodeOneModule === nodeTwoModule) {
var dataNode = this.getNodeFromId(id_output);
var exist = false;
for(var checkOutput in dataNode.outputs[output_class].connections){
var connectionSearch = dataNode.outputs[output_class].connections[checkOutput]
if(connectionSearch.node == id_input && connectionSearch.output == input_class) {
exist = true;
}
}
// Check connection exist
if(exist === false) {
//Create Connection
this.drawflow.drawflow[nodeOneModule].data[id_output].outputs[output_class].connections.push( {"node": id_input.toString(), "output": input_class});
this.drawflow.drawflow[nodeOneModule].data[id_input].inputs[input_class].connections.push( {"node": id_output.toString(), "input": output_class});
if(this.module === nodeOneModule) {
//Draw connection
var connection = document.createElementNS('http://www.w3.org/2000/svg',"svg");
var path = document.createElementNS('http://www.w3.org/2000/svg',"path");
path.classList.add("main-path");
path.setAttributeNS(null, 'd', '');
// path.innerHTML = 'a';
connection.classList.add("connection");
connection.classList.add("node_in_node-"+id_input);
connection.classList.add("node_out_node-"+id_output);
connection.classList.add(output_class);
connection.classList.add(input_class);
connection.appendChild(path);
this.precanvas.appendChild(connection);
this.updateConnectionNodes('node-'+id_output);
this.updateConnectionNodes('node-'+id_input);
}
this.dispatch('connectionCreated', { output_id: id_output, input_id: id_input, output_class: output_class, input_class: input_class});
}
}
}
updateConnectionNodes(id) {
// Aquí nos quedamos;
const idSearch = 'node_in_'+id;
const idSearchOut = 'node_out_'+id;
var line_path = this.line_path/2;
const precanvas = this.precanvas;
const curvature = this.curvature;
const createCurvature = this.createCurvature;
const reroute_curvature = this.reroute_curvature;
const reroute_curvature_start_end = this.reroute_curvature_start_end;
const reroute_fix_curvature = this.reroute_fix_curvature;
const rerouteWidth = this.reroute_width;
const zoom = this.zoom;
let precanvasWitdhZoom = precanvas.clientWidth / (precanvas.clientWidth * zoom);
precanvasWitdhZoom = precanvasWitdhZoom || 0;
let precanvasHeightZoom = precanvas.clientHeight / (precanvas.clientHeight * zoom);
precanvasHeightZoom = precanvasHeightZoom || 0;
const elemsOut = document.getElementsByClassName(idSearchOut);
Object.keys(elemsOut).map(function(item, index) {
if(elemsOut[item].querySelector('.point') === null) {
var elemtsearchId_out = document.getElementById(id);
var id_search = elemsOut[item].classList[1].replace('node_in_', '');
var elemtsearchId = document.getElementById(id_search);
var elemtsearch = elemtsearchId.querySelectorAll('.'+elemsOut[item].classList[4])[0]
/*var eX = elemtsearch.offsetWidth/2 + line_path + elemtsearch.parentElement.parentElement.offsetLeft + elemtsearch.offsetLeft;
var eY = elemtsearch.offsetHeight/2 + line_path + elemtsearch.parentElement.parentElement.offsetTop + elemtsearch.offsetTop;*/
var eX = elemtsearch.offsetWidth/2 + (elemtsearch.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var eY = elemtsearch.offsetHeight/2 + (elemtsearch.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
var elemtsearchOut = elemtsearchId_out.querySelectorAll('.'+elemsOut[item].classList[3])[0]
/*var line_x = elemtsearchId_out.offsetLeft + elemtsearchId_out.querySelectorAll('.'+elemsOut[item].classList[3])[0].offsetLeft + elemtsearchId_out.querySelectorAll('.'+elemsOut[item].classList[3])[0].offsetWidth/2 + line_path;
var line_y = elemtsearchId_out.offsetTop + elemtsearchId_out.querySelectorAll('.'+elemsOut[item].classList[3])[0].offsetTop + elemtsearchId_out.querySelectorAll('.'+elemsOut[item].classList[3])[0].offsetHeight/2 + line_path;*/
var line_x = elemtsearchOut.offsetWidth/2 + (elemtsearchOut.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var line_y = elemtsearchOut.offsetHeight/2 + (elemtsearchOut.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
var x = eX;
var y = eY;
/*
var curvature = 0.5;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
// console.log('M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y );
elemsOut[item].children[0].setAttributeNS(null, 'd', 'M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y );
*/
const lineCurve = createCurvature(line_x, line_y, x, y, curvature, 'openclose');
elemsOut[item].children[0].setAttributeNS(null, 'd', lineCurve );
} else {
const points = elemsOut[item].querySelectorAll('.point');
let linecurve = '';
const reoute_fix = [];
points.forEach((item, i) => {
if(i === 0 && ((points.length -1) === 0)) {
// M line_x line_y C hx1 line_y hx2 y x y
var elemtsearchId_out = document.getElementById(id);
var elemtsearch = item;
var eX = (elemtsearch.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom + rerouteWidth;
var eY = (elemtsearch.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom + rerouteWidth;
/*var line_x = elemtsearchId_out.offsetLeft + elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0].offsetLeft + elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0].offsetWidth/2 + line_path;
var line_y = elemtsearchId_out.offsetTop + elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0].offsetTop + elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0].offsetHeight/2 + line_path;*/
var elemtsearchOut = elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0]
var line_x = elemtsearchOut.offsetWidth/2 + (elemtsearchOut.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var line_y = elemtsearchOut.offsetHeight/2 + (elemtsearchOut.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
var x = eX;
var y = eY;
/*var curvature = 0.5;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
linecurve += ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;*/
var lineCurveSearch = createCurvature(line_x, line_y, x, y, reroute_curvature_start_end, 'open');
linecurve += lineCurveSearch;
reoute_fix.push(lineCurveSearch);
//var elemtsearchId_out = document.getElementById(id);
var elemtsearchId_out = item;
var id_search = item.parentElement.classList[1].replace('node_in_', '');
var elemtsearchId = document.getElementById(id_search);
var elemtsearch = elemtsearchId.querySelectorAll('.'+item.parentElement.classList[4])[0]
/*var eX = elemtsearch.offsetWidth/2 + line_path + elemtsearch.parentElement.parentElement.offsetLeft + elemtsearch.offsetLeft;
var eY = elemtsearch.offsetHeight/2 + line_path + elemtsearch.parentElement.parentElement.offsetTop + elemtsearch.offsetTop;*/
var elemtsearchIn = elemtsearchId.querySelectorAll('.'+item.parentElement.classList[4])[0]
var eX = elemtsearchIn.offsetWidth/2 + (elemtsearchIn.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var eY = elemtsearchIn.offsetHeight/2 + (elemtsearchIn.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
var line_x = (elemtsearchId_out.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom + rerouteWidth;
var line_y = (elemtsearchId_out.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom + rerouteWidth;
var x = eX;
var y = eY;
/*
var curvature = 0.5;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
linecurve += ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;
*/
var lineCurveSearch = createCurvature(line_x, line_y, x, y, reroute_curvature_start_end, 'close');
linecurve += lineCurveSearch;
reoute_fix.push(lineCurveSearch);
} else if(i === 0) {
//console.log("Primero");
// M line_x line_y C hx1 line_y hx2 y x y
// FIRST
var elemtsearchId_out = document.getElementById(id);
var elemtsearch = item;
var eX = (elemtsearch.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom + rerouteWidth;
var eY = (elemtsearch.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom + rerouteWidth;
/*var line_x = elemtsearchId_out.offsetLeft + elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0].offsetLeft + elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0].offsetWidth/2 + line_path;
var line_y = elemtsearchId_out.offsetTop + elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0].offsetTop + elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0].offsetHeight/2 + line_path;*/
var elemtsearchOut = elemtsearchId_out.querySelectorAll('.'+item.parentElement.classList[3])[0]
var line_x = elemtsearchOut.offsetWidth/2 + (elemtsearchOut.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var line_y = elemtsearchOut.offsetHeight/2 + (elemtsearchOut.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
var x = eX;
var y = eY;
/*
var curvature = 0.5;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
linecurve += ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;*/
var lineCurveSearch = createCurvature(line_x, line_y, x, y, reroute_curvature_start_end, 'open');
linecurve += lineCurveSearch;
reoute_fix.push(lineCurveSearch);
// SECOND
var elemtsearchId_out = item;
var elemtsearch = points[i+1];
var eX = (elemtsearch.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom + rerouteWidth;
var eY = (elemtsearch.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom + rerouteWidth;
var line_x = (elemtsearchId_out.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom + rerouteWidth;
var line_y = (elemtsearchId_out.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom + rerouteWidth;
var x = eX;
var y = eY;
/*
var curvature = reroute_curvature;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
linecurve += ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;*/
var lineCurveSearch = createCurvature(line_x, line_y, x, y, reroute_curvature, 'other');
linecurve += lineCurveSearch;
reoute_fix.push(lineCurveSearch);
} else if (i === (points.length -1)) {
//console.log("Final");
var elemtsearchId_out = item;
var id_search = item.parentElement.classList[1].replace('node_in_', '');
var elemtsearchId = document.getElementById(id_search);
var elemtsearch = elemtsearchId.querySelectorAll('.'+item.parentElement.classList[4])[0]
/*var eX = elemtsearch.offsetWidth/2 + line_path + elemtsearch.parentElement.parentElement.offsetLeft + elemtsearch.offsetLeft;
var eY = elemtsearch.offsetHeight/2 + line_path + elemtsearch.parentElement.parentElement.offsetTop + elemtsearch.offsetTop;*/
var elemtsearchIn = elemtsearchId.querySelectorAll('.'+item.parentElement.classList[4])[0]
var eX = elemtsearchIn.offsetWidth/2 + (elemtsearchIn.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var eY = elemtsearchIn.offsetHeight/2 + (elemtsearchIn.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
var line_x = (elemtsearchId_out.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * (precanvas.clientWidth / (precanvas.clientWidth * zoom)) + rerouteWidth;
var line_y = (elemtsearchId_out.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * (precanvas.clientHeight / (precanvas.clientHeight * zoom)) + rerouteWidth;
var x = eX;
var y = eY;
/*
var curvature = 0.5;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
linecurve += ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;*/
var lineCurveSearch = createCurvature(line_x, line_y, x, y, reroute_curvature_start_end, 'close');
linecurve += lineCurveSearch;
reoute_fix.push(lineCurveSearch);
} else {
var elemtsearchId_out = item;
var elemtsearch = points[i+1];
var eX = (elemtsearch.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * (precanvas.clientWidth / (precanvas.clientWidth * zoom)) + rerouteWidth;
var eY = (elemtsearch.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * (precanvas.clientHeight / (precanvas.clientHeight * zoom)) +rerouteWidth;
var line_x = (elemtsearchId_out.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * (precanvas.clientWidth / (precanvas.clientWidth * zoom)) + rerouteWidth;
var line_y = (elemtsearchId_out.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * (precanvas.clientHeight / (precanvas.clientHeight * zoom)) + rerouteWidth;
var x = eX;
var y = eY;
/*
var curvature = reroute_curvature;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
linecurve += ' M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y;*/
var lineCurveSearch = createCurvature(line_x, line_y, x, y, reroute_curvature, 'other');
linecurve += lineCurveSearch;
reoute_fix.push(lineCurveSearch);
}
});
if(reroute_fix_curvature) {
reoute_fix.forEach((itempath, i) => {
elemsOut[item].children[i].setAttributeNS(null, 'd', itempath);
});
} else {
elemsOut[item].children[0].setAttributeNS(null, 'd', linecurve);
}
}
})
const elems = document.getElementsByClassName(idSearch);
Object.keys(elems).map(function(item, index) {
// console.log("In")
if(elems[item].querySelector('.point') === null) {
var elemtsearchId_in = document.getElementById(id);
var id_search = elems[item].classList[2].replace('node_out_', '');
var elemtsearchId = document.getElementById(id_search);
var elemtsearch = elemtsearchId.querySelectorAll('.'+elems[item].classList[3])[0]
/*var line_x = elemtsearch.offsetWidth/2 + line_path + elemtsearch.parentElement.parentElement.offsetLeft + elemtsearch.offsetLeft;
var line_y = elemtsearch.offsetHeight/2 + line_path + elemtsearch.parentElement.parentElement.offsetTop + elemtsearch.offsetTop;*/
var line_x = elemtsearch.offsetWidth/2 + (elemtsearch.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var line_y = elemtsearch.offsetHeight/2 + (elemtsearch.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
/*var x = elemtsearchId_in.offsetLeft + elemtsearchId_in.querySelectorAll('.'+elems[item].classList[4])[0].offsetLeft + elemtsearchId_in.querySelectorAll('.'+elems[item].classList[4])[0].offsetWidth/2 + line_path;
var y = elemtsearchId_in.offsetTop + elemtsearchId_in.querySelectorAll('.'+elems[item].classList[4])[0].offsetTop + elemtsearchId_in.querySelectorAll('.'+elems[item].classList[4])[0].offsetHeight/2 + line_path;*/
var elemtsearchId_in = elemtsearchId_in.querySelectorAll('.'+elems[item].classList[4])[0]
var x = elemtsearchId_in.offsetWidth/2 + (elemtsearchId_in.getBoundingClientRect().x - precanvas.getBoundingClientRect().x ) * precanvasWitdhZoom;
var y = elemtsearchId_in.offsetHeight/2 + (elemtsearchId_in.getBoundingClientRect().y - precanvas.getBoundingClientRect().y ) * precanvasHeightZoom;
/*
var curvature = 0.5;
var hx1 = line_x + Math.abs(x - line_x) * curvature;
var hx2 = x - Math.abs(x - line_x) * curvature;
// console.log('M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y );
elems[item].children[0].setAttributeNS(null, 'd', 'M '+ line_x +' '+ line_y +' C '+ hx1 +' '+ line_y +' '+ hx2 +' ' + y +' ' + x +' ' + y );*/
const lineCurve = createCurvature(line_x, line_y, x, y, curvature, 'openclose');
elems[item].children[0].setAttributeNS(null, 'd', lineCurve );
} else {
const points = elems[item].querySelectorAll('.point');
let linecurve = '';
const reoute_fix = [];