(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@alyle/ui'), require('rxjs'), require('@angular/common'), require('@angular/animations'), require('rxjs/operators')) :
    typeof define === 'function' && define.amd ? define('@alyle/ui/expansion', ['exports', '@angular/core', '@alyle/ui', 'rxjs', '@angular/common', '@angular/animations', 'rxjs/operators'], factory) :
    (global = global || self, factory((global.ly = global.ly || {}, global.ly.expansion = {}), global.ng.core, global.ly.core, global.rxjs, global.ng.common, global.ng.animations, global.rxjs.operators));
}(this, (function (exports, core, ui, rxjs, common, animations, operators) { 'use strict';

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation. All rights reserved.
    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
    this file except in compliance with the License. You may obtain a copy of the
    License at http://www.apache.org/licenses/LICENSE-2.0

    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
    MERCHANTABLITY OR NON-INFRINGEMENT.

    See the Apache Version 2.0 License for specific language governing permissions
    and limitations under the License.
    ***************************************************************************** */
    /* global Reflect, Promise */

    var extendStatics = function(d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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        return extendStatics(d, b);
    };

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    function __importDefault(mod) {
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    function __classPrivateFieldGet(receiver, privateMap) {
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        return privateMap.get(receiver);
    }

    function __classPrivateFieldSet(receiver, privateMap, value) {
        if (!privateMap.has(receiver)) {
            throw new TypeError("attempted to set private field on non-instance");
        }
        privateMap.set(receiver, value);
        return value;
    }

    var STYLE_PRIORITY = -0.9;
    var STYLES = function (theme, ref) {
        var classes = ref.selectorsOf(STYLES);
        var after = theme.after;
        return {
            $priority: STYLE_PRIORITY,
            $name: LyAccordion.и,
            $global: function () { return function (className) { return className + " " + classes.panelTitle + "," + className + " " + classes.panelDescription + "{display:flex;margin-" + after + ":16px;}" + className + " " + classes.panel + ":not(" + classes.disabled + ") " + classes.panelTitle + "{color:" + theme.text.default + ";}" + className + " " + classes.panel + ":not(" + classes.disabled + ") " + classes.panelDescription + "{color:" + theme.text.secondary + ";}"; }; },
            root: (theme.expansion && theme.expansion.root) ? function () { return theme.expansion.root(classes); } : null,
            panel: function () { return function (className) { return className + "{display:block;overflow:hidden;position:relative;}" + className + ":not(" + classes.disabled + ") " + classes.panelHeader + "{cursor:pointer;}"; }; },
            panelHeader: function () { return function (className) { return className + "{display:flex;position:relative;flex-direction:row;align-items:center;padding:0 24px;transition:height " + theme.animations.durations.entering + "ms " + theme.animations.curves.standard + ";font-family:" + theme.typography.fontFamily + ";font-size:" + theme.pxToRem(15) + ";font-weight:400;}" + classes.panel + ":not(" + classes.expanded + "):not(" + classes.disabled + ") " + className + ":hover{background:" + theme.hover + ";}@media (hover: none){" + classes.panel + ":not(" + classes.expanded + "):not(" + classes.disabled + ") " + className + ":hover{background:none;}}"; }; },
            panelHeaderContent: function (className) { return className + "{display:flex;flex:1;flex-direction:row;align-items:center;overflow:hidden;}"; },
            panelContent: function (className) { return className + "{display:flex;flex-direction:column;overflow:visible;}"; },
            panelBody: function (className) { return className + "{visibility:hidden;padding:0 24px 16px;transition:visibility " + theme.animations.durations.entering + "ms " + theme.animations.curves.standard + ";font-family:" + theme.typography.fontFamily + ";font-size:" + theme.pxToRem(14) + ";font-weight:400;line-height:" + theme.pxToRem(20) + ";}"; },
            panelTitle: function (className) { return className + "{flex-grow:1;}"; },
            panelDescription: function (className) { return className + "{flex-grow:2;}"; },
            panelActionRow: function (className) { return className + "{border-top:1px solid " + theme.divider + ";display:flex;flex-direction:row;justify-content:flex-end;padding:16px 8px 16px 24px;}"; },
            expanded: function () { return function (className) { return className + " " + classes.panelBody + "{visibility:visible;}"; }; },
            disabled: function (className) { return className + "{color:" + theme.disabled.contrast + ";}"; }
        };
    };
    var LyAccordion = /** @class */ (function () {
        function LyAccordion(_theme, _renderer, _el) {
            this._theme = _theme;
            this._renderer = _renderer;
            this._el = _el;
            /** @docs-private */
            this.classes = this._theme.addStyleSheet(STYLES);
            this._hasToggle = true;
            /** Stream that emits true/false when openAll/closeAll is triggered. */
            this._openCloseAllActions = new rxjs.Subject();
        }
        Object.defineProperty(LyAccordion.prototype, "appearance", {
            get: function () {
                return this._appearance;
            },
            set: function (val) {
                this._appearance = val;
                this._appearanceClass = this._theme.addStyle("lyAccordion.appearance:" + val, function (theme, ref) {
                    if (!(theme.expansion.appearance && theme.expansion.appearance[val])) {
                        throw new Error("Value expansion.appearance['" + val + "'] not found in ThemeVariables");
                    }
                    var classes = ref.selectorsOf(STYLES);
                    return theme.expansion.appearance[val](classes);
                }, this._el.nativeElement, this._appearanceClass, STYLE_PRIORITY);
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(LyAccordion.prototype, "multiple", {
            get: function () {
                return this._multiple;
            },
            set: function (val) {
                this._multiple = ui.toBoolean(val);
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(LyAccordion.prototype, "hasToggle", {
            get: function () {
                return this._hasToggle;
            },
            set: function (val) {
                this._hasToggle = ui.toBoolean(val);
            },
            enumerable: true,
            configurable: true
        });
        LyAccordion.prototype.ngOnInit = function () {
            var expansion = this._theme.variables.expansion;
            if (expansion) {
                this._renderer.addClass(this._el.nativeElement, this.classes.root);
                // Apply default config
                if (expansion.defaultConfig && expansion.defaultConfig.appearance) {
                    if (this.appearance == null) {
                        this.appearance = expansion.defaultConfig.appearance;
                    }
                }
            }
            else {
                throw ui.getLyThemeVariableUndefinedError('expansion');
            }
        };
        LyAccordion.prototype.closeAll = function () {
            this._openCloseAll(true);
        };
        LyAccordion.prototype.openAll = function () {
            this._openCloseAll(false);
        };
        LyAccordion.prototype._openCloseAll = function (expanded) {
            if (this.multiple) {
                this._openCloseAllActions.next(expanded);
            }
        };
        /** @docs-private */
        LyAccordion.и = 'LyAccordion';
        LyAccordion.ctorParameters = function () { return [
            { type: ui.LyTheme2 },
            { type: core.Renderer2 },
            { type: core.ElementRef }
        ]; };
        __decorate([
            core.Input()
        ], LyAccordion.prototype, "appearance", null);
        __decorate([
            core.Input()
        ], LyAccordion.prototype, "multiple", null);
        __decorate([
            core.Input()
        ], LyAccordion.prototype, "hasToggle", null);
        LyAccordion = __decorate([
            core.Directive({
                selector: 'ly-accordion',
                exportAs: 'lyAccordion'
            })
        ], LyAccordion);
        return LyAccordion;
    }());

    var lyExpansionAnimations = {
        contentExpansion: animations.trigger('contentExpansion', [
            animations.state('collapsed, void', animations.style({ height: '0px', visibility: 'hidden' })),
            animations.state('expanded', animations.style({ height: '*', visibility: 'visible' })),
            animations.transition('expanded <=> collapsed, void => collapsed', animations.animate('{{panelAnimationTiming}}')),
        ])
    };

    var LyExpansionPanelContent = /** @class */ (function () {
        function LyExpansionPanelContent(_template) {
            this._template = _template;
        }
        LyExpansionPanelContent.ctorParameters = function () { return [
            { type: core.TemplateRef }
        ]; };
        LyExpansionPanelContent = __decorate([
            core.Directive({
                selector: 'ng-template[lyExpansionPanelContent]'
            })
        ], LyExpansionPanelContent);
        return LyExpansionPanelContent;
    }());

    /** @docs-private */
    var LyExpansionPanelBase = /** @class */ (function () {
        function LyExpansionPanelBase(_theme) {
            this._theme = _theme;
        }
        return LyExpansionPanelBase;
    }());
    /** @docs-private */
    var LyButtonMixinBase = ui.mixinStyleUpdater(ui.mixinBg(ui.mixinColor(ui.mixinElevation(ui.mixinShadowColor(LyExpansionPanelBase)))));
    var LyExpansionPanel = /** @class */ (function (_super) {
        __extends(LyExpansionPanel, _super);
        function LyExpansionPanel(_el, _renderer, _cd, _theme, _accordion) {
            var _this = _super.call(this, _theme) || this;
            _this._el = _el;
            _this._renderer = _renderer;
            _this._cd = _cd;
            _this._accordion = _accordion;
            /** @docs-private */
            _this.classes = _this._accordion.classes;
            _this._panelAnimationTiming = _this._theme.variables.animations.durations.entering + "ms " + _this._theme.variables.animations.curves.standard;
            /** Subscription to openAll/closeAll events. */
            _this._openCloseAllSubscription = rxjs.Subscription.EMPTY;
            _this._hasToggle = !!_this._accordion.hasToggle;
            /** Event emitted every time the LyExpansionPanel is closed. */
            _this.closed = new core.EventEmitter();
            /** Event emitted every time the LyExpansionPanel is opened. */
            _this.opened = new core.EventEmitter();
            /** An event emitted after the body's collapse animation happens. */
            _this.afterCollapse = new core.EventEmitter();
            /** An event emitted after the body's expansion animation happens. */
            _this.afterExpand = new core.EventEmitter();
            /** Event emitted when the LyExpansionPanel is destroyed. */
            _this.destroyed = new core.EventEmitter();
            /** Stream of body animation done events. */
            _this._bodyAnimationDone = new rxjs.Subject();
            _renderer.addClass(_el.nativeElement, _this._accordion.classes.panel);
            _this._openCloseAllSubscription = _this._subscribeToOpenCloseAllActions();
            _this._bodyAnimationDone.pipe(operators.distinctUntilChanged(function (x, y) {
                return x.fromState === y.fromState && x.toState === y.toState;
            })).subscribe(function (event) {
                if (event.fromState !== 'void') {
                    if (event.toState === 'expanded') {
                        _this.afterExpand.emit();
                    }
                    else if (event.toState === 'collapsed') {
                        _this.afterCollapse.emit();
                    }
                }
            });
            return _this;
        }
        Object.defineProperty(LyExpansionPanel.prototype, "disabled", {
            get: function () {
                return this._disabled;
            },
            set: function (val) {
                var newVal = ui.toBoolean(val);
                if (newVal !== this.disabled) {
                    this._disabled = newVal;
                    if (newVal) {
                        this._renderer.addClass(this._el.nativeElement, this._accordion.classes.disabled);
                    }
                    else {
                        this._renderer.removeClass(this._el.nativeElement, this._accordion.classes.disabled);
                    }
                }
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(LyExpansionPanel.prototype, "expanded", {
            get: function () {
                return this._expanded;
            },
            set: function (val) {
                var newVal = ui.toBoolean(val);
                if (newVal !== this.expanded && !this.disabled) {
                    // unselect other panels
                    if (newVal && !this._accordion.multiple) {
                        this._accordion._openCloseAllActions.next(false);
                    }
                    this._expanded = newVal;
                    if (newVal) {
                        this._renderer.addClass(this._el.nativeElement, this._accordion.classes.expanded);
                        this.opened.emit();
                    }
                    else {
                        this._renderer.removeClass(this._el.nativeElement, this._accordion.classes.expanded);
                        this.closed.emit();
                    }
                    this._cd.markForCheck();
                }
            },
            enumerable: true,
            configurable: true
        });
        Object.defineProperty(LyExpansionPanel.prototype, "hasToggle", {
            get: function () {
                return this._hasToggle == null ? this._accordion.hasToggle : this._hasToggle;
            },
            set: function (val) {
                this._hasToggle = ui.toBoolean(val);
            },
            enumerable: true,
            configurable: true
        });
        LyExpansionPanel.prototype.ngOnChanges = function () {
            this.updateStyle(this._el);
        };
        LyExpansionPanel.prototype.ngOnInit = function () {
            var requireUpdate = false;
            if (this.bg == null) {
                this.bg = 'paper';
                requireUpdate = true;
            }
            if (this.color == null) {
                this.color = 'text';
                requireUpdate = true;
            }
            if (this.elevation == null) {
                this.elevation = 2;
                requireUpdate = true;
            }
            if (requireUpdate) {
                this.ngOnChanges();
            }
        };
        LyExpansionPanel.prototype.ngAfterContentInit = function () {
            var _this = this;
            if (this._lazyContent) {
                this.opened.pipe(operators.startWith(null), operators.filter(function () { return !!_this.expanded && !_this._lazyContentRef; }), operators.first()).subscribe(function () { return _this._lazyContentRef = _this._lazyContent._template; });
            }
        };
        LyExpansionPanel.prototype.ngOnDestroy = function () {
            this._openCloseAllSubscription.unsubscribe();
        };
        LyExpansionPanel.prototype.close = function () {
            this.expanded = false;
        };
        LyExpansionPanel.prototype.open = function () {
            this.expanded = true;
        };
        LyExpansionPanel.prototype.toggle = function () {
            this.expanded = !this.expanded;
        };
        /** Gets the expanded state string. */
        LyExpansionPanel.prototype._getExpandedState = function () {
            return this.expanded ? 'expanded' : 'collapsed';
        };
        LyExpansionPanel.prototype._subscribeToOpenCloseAllActions = function () {
            var _this = this;
            return this._accordion._openCloseAllActions.subscribe(function (expanded) {
                _this.expanded = expanded;
            });
        };
        LyExpansionPanel.ctorParameters = function () { return [
            { type: core.ElementRef },
            { type: core.Renderer2 },
            { type: core.ChangeDetectorRef },
            { type: ui.LyTheme2 },
            { type: LyAccordion, decorators: [{ type: core.Inject, args: [LyAccordion,] }] }
        ]; };
        __decorate([
            core.ContentChild(LyExpansionPanelContent)
        ], LyExpansionPanel.prototype, "_lazyContent", void 0);
        __decorate([
            core.Output()
        ], LyExpansionPanel.prototype, "closed", void 0);
        __decorate([
            core.Output()
        ], LyExpansionPanel.prototype, "opened", void 0);
        __decorate([
            core.Output()
        ], LyExpansionPanel.prototype, "afterCollapse", void 0);
        __decorate([
            core.Output()
        ], LyExpansionPanel.prototype, "afterExpand", void 0);
        __decorate([
            core.Output()
        ], LyExpansionPanel.prototype, "destroyed", void 0);
        __decorate([
            core.Input()
        ], LyExpansionPanel.prototype, "disabled", null);
        __decorate([
            core.Input()
        ], LyExpansionPanel.prototype, "expanded", null);
        __decorate([
            core.Input()
        ], LyExpansionPanel.prototype, "hasToggle", null);
        LyExpansionPanel = __decorate([
            core.Component({
                selector: 'ly-expansion-panel',
                template: "<ng-content select=\"ly-expansion-panel-header\"></ng-content>\n<div [className]=\"classes.panelContent\"\n  [@contentExpansion]=\"{\n    value: _getExpandedState(),\n    params: {\n      panelAnimationTiming: _panelAnimationTiming\n    }\n  }\"\n  (@contentExpansion.done)=\"_bodyAnimationDone.next($event)\"\n>\n  <div [className]=\"classes.panelBody\">\n    <ng-content></ng-content>\n    <ng-template [ngTransclude]=\"_lazyContentRef\"></ng-template>\n  </div>\n  <ng-content select=\"ly-action-row\"></ng-content>\n</div>",
                changeDetection: core.ChangeDetectionStrategy.OnPush,
                exportAs: 'lyExpansionPanel',
                animations: [
                    lyExpansionAnimations.contentExpansion
                ],
                inputs: [
                    'bg',
                    'color',
                    'elevation',
                    'shadowColor'
                ]
            }),
            __param(4, core.Inject(LyAccordion))
        ], LyExpansionPanel);
        return LyExpansionPanel;
    }(LyButtonMixinBase));

    var LyExpansionPanelHeader = /** @class */ (function () {
        function LyExpansionPanelHeader(el, renderer, _accordion, _expansionPanel) {
            this._accordion = _accordion;
            this._expansionPanel = _expansionPanel;
            /** @docs-private */
            this.classes = this._accordion.classes;
            renderer.addClass(el.nativeElement, this._accordion.classes.panelHeader);
        }
        LyExpansionPanelHeader.ctorParameters = function () { return [
            { type: core.ElementRef },
            { type: core.Renderer2 },
            { type: LyAccordion, decorators: [{ type: core.Inject, args: [LyAccordion,] }] },
            { type: LyExpansionPanel, decorators: [{ type: core.Inject, args: [LyExpansionPanel,] }] }
        ]; };
        LyExpansionPanelHeader = __decorate([
            core.Component({
                selector: 'ly-expansion-panel-header',
                template: "<span [className]=\"classes.panelHeaderContent\">\n  <ng-content select=\"ly-panel-title\"></ng-content>\n  <ng-content select=\"ly-panel-description\"></ng-content>\n  <ng-content></ng-content>\n</span>\n<ly-expansion-icon\n  *ngIf=\"!_expansionPanel.disabled && _expansionPanel.hasToggle\"\n  [up]=\"_expansionPanel.expanded\"\n></ly-expansion-icon>",
                host: {
                    '(click)': '_expansionPanel.toggle()'
                }
            }),
            __param(2, core.Inject(LyAccordion)),
            __param(3, core.Inject(LyExpansionPanel))
        ], LyExpansionPanelHeader);
        return LyExpansionPanelHeader;
    }());

    var LyExpansionPanelTitle = /** @class */ (function () {
        function LyExpansionPanelTitle(el, renderer, accordion) {
            renderer.addClass(el.nativeElement, accordion.classes.panelTitle);
        }
        LyExpansionPanelTitle.ctorParameters = function () { return [
            { type: core.ElementRef },
            { type: core.Renderer2 },
            { type: LyAccordion, decorators: [{ type: core.Inject, args: [LyAccordion,] }] }
        ]; };
        LyExpansionPanelTitle = __decorate([
            core.Directive({
                selector: 'ly-panel-title'
            }),
            __param(2, core.Inject(LyAccordion))
        ], LyExpansionPanelTitle);
        return LyExpansionPanelTitle;
    }());

    var LyExpansionPanelDescription = /** @class */ (function () {
        function LyExpansionPanelDescription(el, renderer, accordion) {
            renderer.addClass(el.nativeElement, accordion.classes.panelDescription);
        }
        LyExpansionPanelDescription.ctorParameters = function () { return [
            { type: core.ElementRef },
            { type: core.Renderer2 },
            { type: LyAccordion, decorators: [{ type: core.Inject, args: [LyAccordion,] }] }
        ]; };
        LyExpansionPanelDescription = __decorate([
            core.Directive({
                selector: 'ly-panel-description'
            }),
            __param(2, core.Inject(LyAccordion))
        ], LyExpansionPanelDescription);
        return LyExpansionPanelDescription;
    }());

    var LyExpansionPanelAction = /** @class */ (function () {
        function LyExpansionPanelAction(el, renderer, accordion) {
            renderer.addClass(el.nativeElement, accordion.classes.panelActionRow);
        }
        LyExpansionPanelAction.ctorParameters = function () { return [
            { type: core.ElementRef },
            { type: core.Renderer2 },
            { type: LyAccordion, decorators: [{ type: core.Inject, args: [LyAccordion,] }] }
        ]; };
        LyExpansionPanelAction = __decorate([
            core.Directive({
                selector: 'ly-action-row'
            }),
            __param(2, core.Inject(LyAccordion))
        ], LyExpansionPanelAction);
        return LyExpansionPanelAction;
    }());

    var LyExpansionModule = /** @class */ (function () {
        function LyExpansionModule() {
        }
        LyExpansionModule = __decorate([
            core.NgModule({
                declarations: [
                    LyAccordion,
                    LyExpansionPanel,
                    LyExpansionPanelHeader,
                    LyExpansionPanelContent,
                    LyExpansionPanelTitle,
                    LyExpansionPanelDescription,
                    LyExpansionPanelAction
                ],
                imports: [
                    common.CommonModule,
                    ui.LyExpansionIconModule,
                    ui.NgTranscludeModule
                ],
                exports: [
                    LyAccordion,
                    LyExpansionPanel,
                    LyExpansionPanelHeader,
                    LyExpansionPanelContent,
                    LyExpansionPanelTitle,
                    LyExpansionPanelDescription,
                    LyExpansionPanelAction
                ]
            })
        ], LyExpansionModule);
        return LyExpansionModule;
    }());

    exports.LyAccordion = LyAccordion;
    exports.LyButtonMixinBase = LyButtonMixinBase;
    exports.LyExpansionModule = LyExpansionModule;
    exports.LyExpansionPanel = LyExpansionPanel;
    exports.LyExpansionPanelBase = LyExpansionPanelBase;
    exports.LyExpansionPanelContent = LyExpansionPanelContent;
    exports.LyExpansionPanelDescription = LyExpansionPanelDescription;
    exports.LyExpansionPanelHeader = LyExpansionPanelHeader;
    exports.LyExpansionPanelTitle = LyExpansionPanelTitle;
    exports.STYLES = STYLES;
    exports.ɵa = lyExpansionAnimations;
    exports.ɵb = LyExpansionPanelAction;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=alyle-ui-expansion.umd.js.map
