@angular2-material/core/portal/portal.js

Angular 2 Material core

var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
import { MdNullPortalHostError, MdPortalAlreadyAttachedError, MdNoPortalAttachedError, MdNullPortalError, MdPortalHostAlreadyDisposedError, MdUnknownPortalTypeError } from './portal-errors';
/**
 * A `Portal` is something that you want to render somewhere else.
 * It can be attach to / detached from a `PortalHost`.
 */
export var Portal = (function () {
    function Portal() {
    }
    /** Attach this portal to a host. */
    Portal.prototype.attach = function (host) {
        if (host == null) {
            throw new MdNullPortalHostError();
        }
        if (host.hasAttached()) {
            throw new MdPortalAlreadyAttachedError();
        }
        this._attachedHost = host;
        return host.attach(this);
    };
    /** Detach this portal from its host */
    Portal.prototype.detach = function () {
        var host = this._attachedHost;
        if (host == null) {
            throw new MdNoPortalAttachedError();
        }
        this._attachedHost = null;
        return host.detach();
    };
    Object.defineProperty(Portal.prototype, "isAttached", {
        /** Whether this portal is attached to a host. */
        get: function () {
            return this._attachedHost != null;
        },
        enumerable: true,
        configurable: true
    });
    /**
     * Sets the PortalHost reference without performing `attach()`. This is used directly by
     * the PortalHost when it is performing an `attach()` or `detatch()`.
     */
    Portal.prototype.setAttachedHost = function (host) {
        this._attachedHost = host;
    };
    return Portal;
}());
/**
 * A `ComponentPortal` is a portal that instantiates some Component upon attachment.
 */
export var ComponentPortal = (function (_super) {
    __extends(ComponentPortal, _super);
    function ComponentPortal(component, viewContainerRef, injector) {
        if (viewContainerRef === void 0) { viewContainerRef = null; }
        if (injector === void 0) { injector = null; }
        _super.call(this);
        this.component = component;
        this.viewContainerRef = viewContainerRef;
        this.injector = injector;
    }
    return ComponentPortal;
}(Portal));
/**
 * A `TemplatePortal` is a portal that represents some embedded template (TemplateRef).
 */
export var TemplatePortal = (function (_super) {
    __extends(TemplatePortal, _super);
    function TemplatePortal(template, viewContainerRef) {
        _super.call(this);
        /**
         * Additional locals for the instantiated embedded view.
         * These locals can be seen as "exports" for the template, such as how ngFor has
         * index / event / odd.
         * See https://angular.io/docs/ts/latest/api/core/EmbeddedViewRef-class.html
         */
        this.locals = new Map();
        this.templateRef = template;
        this.viewContainerRef = viewContainerRef;
    }
    Object.defineProperty(TemplatePortal.prototype, "origin", {
        get: function () {
            return this.templateRef.elementRef;
        },
        enumerable: true,
        configurable: true
    });
    TemplatePortal.prototype.attach = function (host, locals) {
        this.locals = locals == null ? new Map() : locals;
        return _super.prototype.attach.call(this, host);
    };
    TemplatePortal.prototype.detach = function () {
        this.locals = new Map();
        return _super.prototype.detach.call(this);
    };
    return TemplatePortal;
}(Portal));
/**
 * Partial implementation of PortalHost that only deals with attaching either a
 * ComponentPortal or a TemplatePortal.
 */
export var BasePortalHost = (function () {
    function BasePortalHost() {
        /** Whether this host has already been permanently disposed. */
        this._isDisposed = false;
    }
    /** Whether this host has an attached portal. */
    BasePortalHost.prototype.hasAttached = function () {
        return this._attachedPortal != null;
    };
    BasePortalHost.prototype.attach = function (portal) {
        if (portal == null) {
            throw new MdNullPortalError();
        }
        if (this.hasAttached()) {
            throw new MdPortalAlreadyAttachedError();
        }
        if (this._isDisposed) {
            throw new MdPortalHostAlreadyDisposedError();
        }
        if (portal instanceof ComponentPortal) {
            this._attachedPortal = portal;
            return this.attachComponentPortal(portal);
        }
        else if (portal instanceof TemplatePortal) {
            this._attachedPortal = portal;
            return this.attachTemplatePortal(portal);
        }
        throw new MdUnknownPortalTypeError();
    };
    BasePortalHost.prototype.detach = function () {
        if (this._attachedPortal) {
            this._attachedPortal.setAttachedHost(null);
        }
        this._attachedPortal = null;
        if (this._disposeFn != null) {
            this._disposeFn();
            this._disposeFn = null;
        }
    };
    BasePortalHost.prototype.dispose = function () {
        if (this.hasAttached()) {
            this.detach();
        }
        this._isDisposed = true;
    };
    BasePortalHost.prototype.setDisposeFn = function (fn) {
        this._disposeFn = fn;
    };
    return BasePortalHost;
}());

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