angular2/es6/dev/src/core/change_detection/binding_record.js

Angular 2 - a web framework for modern web apps

import { isPresent, isBlank } from 'angular2/src/facade/lang';
const DIRECTIVE_LIFECYCLE = "directiveLifecycle";
const BINDING = "native";
const DIRECTIVE = "directive";
const ELEMENT_PROPERTY = "elementProperty";
const ELEMENT_ATTRIBUTE = "elementAttribute";
const ELEMENT_CLASS = "elementClass";
const ELEMENT_STYLE = "elementStyle";
const TEXT_NODE = "textNode";
const EVENT = "event";
const HOST_EVENT = "hostEvent";
export class BindingTarget {
    constructor(mode, elementIndex, name, unit, debug) {
        this.mode = mode;
        this.elementIndex = elementIndex;
        this.name = name;
        this.unit = unit;
        this.debug = debug;
    }
    isDirective() { return this.mode === DIRECTIVE; }
    isElementProperty() { return this.mode === ELEMENT_PROPERTY; }
    isElementAttribute() { return this.mode === ELEMENT_ATTRIBUTE; }
    isElementClass() { return this.mode === ELEMENT_CLASS; }
    isElementStyle() { return this.mode === ELEMENT_STYLE; }
    isTextNode() { return this.mode === TEXT_NODE; }
}
export class BindingRecord {
    constructor(mode, target, implicitReceiver, ast, setter, lifecycleEvent, directiveRecord) {
        this.mode = mode;
        this.target = target;
        this.implicitReceiver = implicitReceiver;
        this.ast = ast;
        this.setter = setter;
        this.lifecycleEvent = lifecycleEvent;
        this.directiveRecord = directiveRecord;
    }
    isDirectiveLifecycle() { return this.mode === DIRECTIVE_LIFECYCLE; }
    callOnChanges() {
        return isPresent(this.directiveRecord) && this.directiveRecord.callOnChanges;
    }
    isDefaultChangeDetection() {
        return isBlank(this.directiveRecord) || this.directiveRecord.isDefaultChangeDetection();
    }
    static createDirectiveDoCheck(directiveRecord) {
        return new BindingRecord(DIRECTIVE_LIFECYCLE, null, 0, null, null, "DoCheck", directiveRecord);
    }
    static createDirectiveOnInit(directiveRecord) {
        return new BindingRecord(DIRECTIVE_LIFECYCLE, null, 0, null, null, "OnInit", directiveRecord);
    }
    static createDirectiveOnChanges(directiveRecord) {
        return new BindingRecord(DIRECTIVE_LIFECYCLE, null, 0, null, null, "OnChanges", directiveRecord);
    }
    static createForDirective(ast, propertyName, setter, directiveRecord) {
        var elementIndex = directiveRecord.directiveIndex.elementIndex;
        var t = new BindingTarget(DIRECTIVE, elementIndex, propertyName, null, ast.toString());
        return new BindingRecord(DIRECTIVE, t, 0, ast, setter, null, directiveRecord);
    }
    static createForElementProperty(ast, elementIndex, propertyName) {
        var t = new BindingTarget(ELEMENT_PROPERTY, elementIndex, propertyName, null, ast.toString());
        return new BindingRecord(BINDING, t, 0, ast, null, null, null);
    }
    static createForElementAttribute(ast, elementIndex, attributeName) {
        var t = new BindingTarget(ELEMENT_ATTRIBUTE, elementIndex, attributeName, null, ast.toString());
        return new BindingRecord(BINDING, t, 0, ast, null, null, null);
    }
    static createForElementClass(ast, elementIndex, className) {
        var t = new BindingTarget(ELEMENT_CLASS, elementIndex, className, null, ast.toString());
        return new BindingRecord(BINDING, t, 0, ast, null, null, null);
    }
    static createForElementStyle(ast, elementIndex, styleName, unit) {
        var t = new BindingTarget(ELEMENT_STYLE, elementIndex, styleName, unit, ast.toString());
        return new BindingRecord(BINDING, t, 0, ast, null, null, null);
    }
    static createForHostProperty(directiveIndex, ast, propertyName) {
        var t = new BindingTarget(ELEMENT_PROPERTY, directiveIndex.elementIndex, propertyName, null, ast.toString());
        return new BindingRecord(BINDING, t, directiveIndex, ast, null, null, null);
    }
    static createForHostAttribute(directiveIndex, ast, attributeName) {
        var t = new BindingTarget(ELEMENT_ATTRIBUTE, directiveIndex.elementIndex, attributeName, null, ast.toString());
        return new BindingRecord(BINDING, t, directiveIndex, ast, null, null, null);
    }
    static createForHostClass(directiveIndex, ast, className) {
        var t = new BindingTarget(ELEMENT_CLASS, directiveIndex.elementIndex, className, null, ast.toString());
        return new BindingRecord(BINDING, t, directiveIndex, ast, null, null, null);
    }
    static createForHostStyle(directiveIndex, ast, styleName, unit) {
        var t = new BindingTarget(ELEMENT_STYLE, directiveIndex.elementIndex, styleName, unit, ast.toString());
        return new BindingRecord(BINDING, t, directiveIndex, ast, null, null, null);
    }
    static createForTextNode(ast, elementIndex) {
        var t = new BindingTarget(TEXT_NODE, elementIndex, null, null, ast.toString());
        return new BindingRecord(BINDING, t, 0, ast, null, null, null);
    }
    static createForEvent(ast, eventName, elementIndex) {
        var t = new BindingTarget(EVENT, elementIndex, eventName, null, ast.toString());
        return new BindingRecord(EVENT, t, 0, ast, null, null, null);
    }
    static createForHostEvent(ast, eventName, directiveRecord) {
        var directiveIndex = directiveRecord.directiveIndex;
        var t = new BindingTarget(HOST_EVENT, directiveIndex.elementIndex, eventName, null, ast.toString());
        return new BindingRecord(HOST_EVENT, t, directiveIndex, ast, null, null, directiveRecord);
    }
}
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