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/**
* Created by obarda on 11/9/2016.
*/
/// <reference path="../../../../references"/>
module Sdc.Graph.Utils {
export class CompositionGraphNodesUtils {
constructor(private NodesFactory:Sdc.Utils.NodesFactory, private $log:ng.ILogService,
private GeneralGraphUtils:Graph.Utils.CompositionGraphGeneralUtils,
private commonGraphUtils: Sdc.Graph.Utils.CommonGraphUtils,
private eventListenerService: Services.EventListenerService,
private loaderService:Services.LoaderService) {
}
/**
* Returns component instances for all nodes passed in
* @param nodes - Cy nodes
* @returns {any[]}
*/
public getAllNodesData(nodes:Cy.CollectionNodes) {
return _.map(nodes, (node:Cy.CollectionFirstNode)=> {
return node.data();
})
};
/**
* Deletes component instances on server and then removes it from the graph as well
* @param cy
* @param component
* @param nodeToDelete
*/
public deleteNode(cy: Cy.Instance, component:Models.Components.Component, nodeToDelete:Cy.CollectionNodes):void {
this.loaderService.showLoader('composition-graph');
let onSuccess:(response:Models.ComponentsInstances.ComponentInstance) => void = (response:Models.ComponentsInstances.ComponentInstance) => {
console.info('onSuccess', response);
//if node to delete is a UCPE, remove all children (except UCPE-CPs) and remove their "hostedOn" links
if (nodeToDelete.data().isUcpe){
_.each(cy.nodes('[?isInsideGroup]'), (node)=>{
this.eventListenerService.notifyObservers(Sdc.Utils.Constants.GRAPH_EVENTS.ON_REMOVE_NODE_FROM_UCPE, node, nodeToDelete);
});
}
//check whether the node is connected to any VLs that only have one other connection. If so, delete that VL as well
if(!(nodeToDelete.data() instanceof Sdc.Models.Graph.CompositionCiNodeVl)){
let connectedVls:Array<Cy.CollectionFirstNode> = this.getConnectedVlToNode(nodeToDelete);
this.handleConnectedVlsToDelete(connectedVls);
}
//update UI
cy.remove(nodeToDelete);
};
let onFailed:(response:any) => void = (response:any) => {
console.info('onFailed', response);
};
this.GeneralGraphUtils.getGraphUtilsServerUpdateQueue().addBlockingUIActionWithReleaseCallback(
() => component.deleteComponentInstance(nodeToDelete.data().componentInstance.uniqueId).then(onSuccess, onFailed),
() => this.loaderService.hideLoader('composition-graph')
);
};
/**
* Finds all VLs connected to a single node
* @param node
* @returns {Array<Cy.CollectionFirstNode>}
*/
public getConnectedVlToNode = (node: Cy.CollectionNodes): Array<Cy.CollectionFirstNode> => {
let connectedVls: Array<Cy.CollectionFirstNode> = new Array<Cy.CollectionFirstNode>();
_.forEach(node.connectedEdges().connectedNodes(), (node: Cy.CollectionFirstNode) => {
if (node.data() instanceof Models.Graph.CompositionCiNodeVl) {
connectedVls.push(node);
}
});
return connectedVls;
};
/**
* Delete all VLs that have only two connected nodes (this function is called when deleting a node)
* @param connectedVls
*/
public handleConnectedVlsToDelete = (connectedVls: Array<Cy.CollectionFirstNode>) => {
_.forEach(connectedVls, (vlToDelete: Cy.CollectionNodes) => {
if (vlToDelete.connectedEdges().length === 2) { // if vl connected only to 2 nodes need to delete the vl
this.eventListenerService.notifyObservers(Sdc.Utils.Constants.GRAPH_EVENTS.ON_DELETE_COMPONENT_INSTANCE, vlToDelete.data().componentInstance);
}
});
};
/**
* This function is called when moving a node in or out of UCPE.
* Deletes all connected VLs that have less than 2 valid connections remaining after the move
* Returns the collection of vls that are in the process of deletion (async) to prevent duplicate calls while deletion is in progress
* @param component
* @param cy
* @param node - node that was moved in/out of ucpe
*/
public deleteNodeVLsUponMoveToOrFromUCPE = (component:Models.Components.Component, cy:Cy.Instance, node:Cy.CollectionNodes):Cy.CollectionNodes =>{
if(node.data() instanceof Models.Graph.CompositionCiNodeVl){ return;}
let connectedVLsToDelete:Cy.CollectionNodes = cy.collection();
_.forEach(node.neighborhood('node'), (connectedNode) => {
//Find all neighboring nodes that are VLs
if(connectedNode.data() instanceof Models.Graph.CompositionCiNodeVl){
//check VL's neighbors to see if it has 2 or more nodes whose location is compatible with VL (regardless of whether VL is in or out of UCPE)
let compatibleNodeCount = 0;
let vlNeighborhood = connectedNode.neighborhood('node');
_.forEach(vlNeighborhood, (vlNeighborNode)=>{
if(this.commonGraphUtils.nodeLocationsCompatible(cy, connectedNode, vlNeighborNode)) {
compatibleNodeCount ++;
}
});
if(compatibleNodeCount < 2) {
connectedVLsToDelete = connectedVLsToDelete.add(connectedNode);
}
}
});
connectedVLsToDelete.each((i, vlToDelete:Cy.CollectionNodes)=>{
this.deleteNode(cy, component, vlToDelete);
});
return connectedVLsToDelete;
};
/**
* This function will update nodes position. if the new position is into or out of ucpe, the node will trigger the ucpe events
* @param cy
* @param component
* @param nodesMoved - the node/multiple nodes now moved by the user
*/
public onNodesPositionChanged = (cy: Cy.Instance, component:Models.Components.Component, nodesMoved: Cy.CollectionNodes): void => {
if (nodesMoved.length === 0) {
return;
}
let isValidMove:boolean = this.GeneralGraphUtils.isGroupValidDrop(cy, nodesMoved);
if (isValidMove) {
this.$log.debug(`composition-graph::ValidDrop:: updating node position`);
let instancesToUpdateInNonBlockingAction:Array<Models.ComponentsInstances.ComponentInstance> = new Array<Models.ComponentsInstances.ComponentInstance>();
_.each(nodesMoved, (node:Cy.CollectionFirstNode)=> { //update all nodes new position
if(node.data().isUcpePart && !node.data().isUcpe){ return; }//No need to update UCPE-CPs
//update position
let newPosition:Cy.Position = this.commonGraphUtils.getNodePosition(node);
node.data().componentInstance.updatePosition(newPosition.x, newPosition.y);
//check if node moved to or from UCPE
let ucpe = this.commonGraphUtils.isInUcpe(node.cy(), node.boundingbox());
if(node.data().isInsideGroup || ucpe.length) {
this.handleUcpeChildMove(node, ucpe, instancesToUpdateInNonBlockingAction);
} else {
instancesToUpdateInNonBlockingAction.push(node.data().componentInstance);
}
});
if (instancesToUpdateInNonBlockingAction.length > 0) {
this.GeneralGraphUtils.pushMultipleUpdateComponentInstancesRequestToQueue(false, instancesToUpdateInNonBlockingAction, component);
}
} else {
this.$log.debug(`composition-graph::notValidDrop:: node return to latest position`);
//reset nodes position
nodesMoved.positions((i, node) => {
return {
x: +node.data().componentInstance.posX,
y: +node.data().componentInstance.posY
};
})
}
this.GeneralGraphUtils.getGraphUtilsServerUpdateQueue().addBlockingUIActionWithReleaseCallback(() => {
}, () => {
this.loaderService.hideLoader('composition-graph');
});
};
/**
* Checks whether the node has been added or removed from UCPE and triggers appropriate events
* @param node - node moved
* @param ucpeContainer - UCPE container that the node has been moved to. When moving a node out of ucpe, param will be empty
* @param instancesToUpdateInNonBlockingAction
*/
public handleUcpeChildMove(node:Cy.CollectionFirstNode, ucpeContainer:Cy.CollectionElements, instancesToUpdateInNonBlockingAction:Array<Models.ComponentsInstances.ComponentInstance>){
if(node.data().isInsideGroup){
if(ucpeContainer.length){ //moving node within UCPE. Simply update position
this.commonGraphUtils.updateUcpeChildPosition(<Cy.CollectionNodes>node, ucpeContainer);
instancesToUpdateInNonBlockingAction.push(node.data().componentInstance);
} else { //removing node from UCPE. Notify observers
this.eventListenerService.notifyObservers(Sdc.Utils.Constants.GRAPH_EVENTS.ON_REMOVE_NODE_FROM_UCPE, node, ucpeContainer);
}
} else if(!node.data().isInsideGroup && ucpeContainer.length && !node.data().isUcpePart){ //adding node to UCPE
this.eventListenerService.notifyObservers(Sdc.Utils.Constants.GRAPH_EVENTS.ON_INSERT_NODE_TO_UCPE, node, ucpeContainer, true);
}
}
}
CompositionGraphNodesUtils.$inject = ['NodesFactory', '$log', 'CompositionGraphGeneralUtils', 'CommonGraphUtils', 'EventListenerService', 'LoaderService'];
}
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