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import {EventListenerService, LoaderService} from "app/services";
import {CapabilitiesGroup, NodesFactory, ComponentInstance, Component, CompositionCiNodeBase, RequirementsGroup} from "app/models";
import {ComponentFactory, ComponentInstanceFactory, GRAPH_EVENTS, GraphUIObjects} from "app/utils";
import {CompositionGraphGeneralUtils} from "./composition-graph-general-utils";
import {CommonGraphUtils} from "../../common/common-graph-utils";
import 'angular-dragdrop';
import {LeftPaletteComponent} from "../../../../models/components/displayComponent";
export class CompositionGraphPaletteUtils {
constructor(private ComponentFactory:ComponentFactory,
private $filter:ng.IFilterService,
private loaderService:LoaderService,
private generalGraphUtils:CompositionGraphGeneralUtils,
private componentInstanceFactory:ComponentInstanceFactory,
private nodesFactory:NodesFactory,
private commonGraphUtils:CommonGraphUtils,
private eventListenerService:EventListenerService) {
}
/**
* Calculate the dragged element (html element) position on canvas
* @param cy
* @param event
* @param position
* @returns {Cy.BoundingBox}
* @private
*/
private _getNodeBBox(cy:Cy.Instance, event:IDragDropEvent, position?:Cy.Position) {
let bbox = <Cy.BoundingBox>{};
if (!position) {
position = this.commonGraphUtils.getCytoscapeNodePosition(cy, event);
}
let cushionWidth:number = 40;
let cushionHeight:number = 40;
bbox.x1 = position.x - cushionWidth / 2;
bbox.y1 = position.y - cushionHeight / 2;
bbox.x2 = position.x + cushionWidth / 2;
bbox.y2 = position.y + cushionHeight / 2;
return bbox;
}
/**
* Create the component instance, update data from parent component in the left palette and notify on_insert_to_ucpe if component was dragg into ucpe
* @param cy
* @param fullComponent
* @param event
* @param component
*/
private _createComponentInstanceOnGraphFromPaletteComponent(cy:Cy.Instance, fullComponent:LeftPaletteComponent, event:IDragDropEvent, component:Component) {
let componentInstanceToCreate:ComponentInstance = this.componentInstanceFactory.createComponentInstanceFromComponent(fullComponent);
let cytoscapePosition:Cy.Position = this.commonGraphUtils.getCytoscapeNodePosition(cy, event);
componentInstanceToCreate.posX = cytoscapePosition.x;
componentInstanceToCreate.posY = cytoscapePosition.y;
let onFailedCreatingInstance:(error:any) => void = (error:any) => {
this.loaderService.hideLoader('composition-graph');
};
//on success - update node data
let onSuccessCreatingInstance = (createInstance:ComponentInstance):void => {
this.loaderService.hideLoader('composition-graph');
createInstance.name = this.$filter('resourceName')(createInstance.name);
createInstance.requirements = new RequirementsGroup(createInstance.requirements);
createInstance.capabilities = new CapabilitiesGroup(createInstance.capabilities);
createInstance.componentVersion = fullComponent.version;
createInstance.icon = fullComponent.icon;
createInstance.setInstanceRC();
let newNode:CompositionCiNodeBase = this.nodesFactory.createNode(createInstance);
let cyNode:Cy.CollectionNodes = this.commonGraphUtils.addComponentInstanceNodeToGraph(cy, newNode);
//check if node was dropped into a UCPE
let ucpe:Cy.CollectionElements = this.commonGraphUtils.isInUcpe(cy, cyNode.boundingbox());
if (ucpe.length > 0) {
this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_INSERT_NODE_TO_UCPE, cyNode, ucpe, false);
}
this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_CREATE_COMPONENT_INSTANCE);
};
this.loaderService.showLoader('composition-graph');
// Create the component instance on server
this.generalGraphUtils.getGraphUtilsServerUpdateQueue().addBlockingUIAction(() => {
component.createComponentInstance(componentInstanceToCreate).then(onSuccessCreatingInstance, onFailedCreatingInstance);
});
}
/**
* Thid function applay red/green background when component dragged from palette
* @param cy
* @param event
* @param dragElement
* @param dragComponent
*/
public onComponentDrag(cy:Cy.Instance, event:IDragDropEvent, dragElement:JQuery, dragComponent:ComponentInstance) {
if (event.clientX < GraphUIObjects.DIAGRAM_PALETTE_WIDTH_OFFSET || event.clientY < GraphUIObjects.DIAGRAM_HEADER_OFFSET) { //hovering over palette. Dont bother computing validity of drop
dragElement.removeClass('red');
return;
}
let offsetPosition = {
x: event.clientX - GraphUIObjects.DIAGRAM_PALETTE_WIDTH_OFFSET,
y: event.clientY - GraphUIObjects.DIAGRAM_HEADER_OFFSET
};
let bbox = this._getNodeBBox(cy, event, offsetPosition);
if (this.generalGraphUtils.isPaletteDropValid(cy, bbox, dragComponent)) {
dragElement.removeClass('red');
} else {
dragElement.addClass('red');
}
}
/**
* This function is called when after dropping node on canvas
* Check if the capability & requirements fulfilled and if not get from server
* @param cy
* @param event
* @param component
*/
public addNodeFromPalette(cy:Cy.Instance, event:IDragDropEvent, component:Component) {
this.loaderService.showLoader('composition-graph');
let draggedComponent:LeftPaletteComponent = event.dataTransfer.component;
if (this.generalGraphUtils.componentRequirementsAndCapabilitiesCaching.containsKey(draggedComponent.uniqueId)) {
let fullComponent = this.generalGraphUtils.componentRequirementsAndCapabilitiesCaching.getValue(draggedComponent.uniqueId);
draggedComponent.capabilities = fullComponent.capabilities;
draggedComponent.requirements = fullComponent.requirements;
this._createComponentInstanceOnGraphFromPaletteComponent(cy, draggedComponent, event, component);
} else {
this.ComponentFactory.getComponentFromServer(draggedComponent.getComponentSubType(), draggedComponent.uniqueId)
.then((fullComponent:Component) => {
draggedComponent.capabilities = fullComponent.capabilities;
draggedComponent.requirements = fullComponent.requirements;
this._createComponentInstanceOnGraphFromPaletteComponent(cy, draggedComponent, event, component);
});
}
}
}
CompositionGraphPaletteUtils.$inject = [
'ComponentFactory',
'$filter',
'LoaderService',
'CompositionGraphGeneralUtils',
'ComponentInstanceFactory',
'NodesFactory',
'CommonGraphUtils',
'EventListenerService'
];
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