@angular/material
Version:
Angular Material
96 lines • 11.9 kB
JavaScript
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { Directive, Input, ContentChildren, QueryList } from '@angular/core';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { CdkAccordion } from '@angular/cdk/accordion';
import { FocusKeyManager } from '@angular/cdk/a11y';
import { HOME, END, hasModifierKey } from '@angular/cdk/keycodes';
import { startWith } from 'rxjs/operators';
import { MAT_ACCORDION } from './accordion-base';
import { MatExpansionPanelHeader } from './expansion-panel-header';
/**
* Directive for a Material Design Accordion.
*/
export class MatAccordion extends CdkAccordion {
constructor() {
super(...arguments);
/** Headers belonging to this accordion. */
this._ownHeaders = new QueryList();
this._hideToggle = false;
/**
* Display mode used for all expansion panels in the accordion. Currently two display
* modes exist:
* default - a gutter-like spacing is placed around any expanded panel, placing the expanded
* panel at a different elevation from the rest of the accordion.
* flat - no spacing is placed around expanded panels, showing all panels at the same
* elevation.
*/
this.displayMode = 'default';
/** The position of the expansion indicator. */
this.togglePosition = 'after';
}
/** Whether the expansion indicator should be hidden. */
get hideToggle() { return this._hideToggle; }
set hideToggle(show) { this._hideToggle = coerceBooleanProperty(show); }
ngAfterContentInit() {
this._headers.changes
.pipe(startWith(this._headers))
.subscribe((headers) => {
this._ownHeaders.reset(headers.filter(header => header.panel.accordion === this));
this._ownHeaders.notifyOnChanges();
});
this._keyManager = new FocusKeyManager(this._ownHeaders).withWrap();
}
/** Handles keyboard events coming in from the panel headers. */
_handleHeaderKeydown(event) {
const { keyCode } = event;
const manager = this._keyManager;
if (keyCode === HOME) {
if (!hasModifierKey(event)) {
manager.setFirstItemActive();
event.preventDefault();
}
}
else if (keyCode === END) {
if (!hasModifierKey(event)) {
manager.setLastItemActive();
event.preventDefault();
}
}
else {
this._keyManager.onKeydown(event);
}
}
_handleHeaderFocus(header) {
this._keyManager.updateActiveItem(header);
}
}
MatAccordion.decorators = [
{ type: Directive, args: [{
selector: 'mat-accordion',
exportAs: 'matAccordion',
inputs: ['multi'],
providers: [{
provide: MAT_ACCORDION,
useExisting: MatAccordion
}],
host: {
class: 'mat-accordion',
// Class binding which is only used by the test harness as there is no other
// way for the harness to detect if multiple panel support is enabled.
'[class.mat-accordion-multi]': 'this.multi',
}
},] }
];
MatAccordion.propDecorators = {
_headers: [{ type: ContentChildren, args: [MatExpansionPanelHeader, { descendants: true },] }],
hideToggle: [{ type: Input }],
displayMode: [{ type: Input }],
togglePosition: [{ type: Input }]
};
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"accordion.js","sourceRoot":"","sources":["../../../../../../src/material/expansion/accordion.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,SAAS,EAAE,KAAK,EAAE,eAAe,EAAE,SAAS,EAAmB,MAAM,eAAe,CAAC;AAC7F,OAAO,EAAe,qBAAqB,EAAC,MAAM,uBAAuB,CAAC;AAC1E,OAAO,EAAC,YAAY,EAAC,MAAM,wBAAwB,CAAC;AACpD,OAAO,EAAC,eAAe,EAAC,MAAM,mBAAmB,CAAC;AAClD,OAAO,EAAC,IAAI,EAAE,GAAG,EAAE,cAAc,EAAC,MAAM,uBAAuB,CAAC;AAChE,OAAO,EAAC,SAAS,EAAC,MAAM,gBAAgB,CAAC;AACzC,OAAO,EACL,aAAa,EAId,MAAM,kBAAkB,CAAC;AAC1B,OAAO,EAAC,uBAAuB,EAAC,MAAM,0BAA0B,CAAC;AAEjE;;GAEG;AAgBH,MAAM,OAAO,YAAa,SAAQ,YAAY;IAf9C;;QAkBE,2CAA2C;QACnC,gBAAW,GAAG,IAAI,SAAS,EAA2B,CAAC;QAUvD,gBAAW,GAAY,KAAK,CAAC;QAErC;;;;;;;WAOG;QACM,gBAAW,GAA4B,SAAS,CAAC;QAE1D,+CAA+C;QACtC,mBAAc,GAA+B,OAAO,CAAC;IAsChE,CAAC;IAvDC,wDAAwD;IACxD,IACI,UAAU,KAAc,OAAO,IAAI,CAAC,WAAW,CAAC,CAAC,CAAC;IACtD,IAAI,UAAU,CAAC,IAAa,IAAI,IAAI,CAAC,WAAW,GAAG,qBAAqB,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;IAgBjF,kBAAkB;QAChB,IAAI,CAAC,QAAQ,CAAC,OAAO;aAClB,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;aAC9B,SAAS,CAAC,CAAC,OAA2C,EAAE,EAAE;YACzD,IAAI,CAAC,WAAW,CAAC,KAAK,CAAC,OAAO,CAAC,MAAM,CAAC,MAAM,CAAC,EAAE,CAAC,MAAM,CAAC,KAAK,CAAC,SAAS,KAAK,IAAI,CAAC,CAAC,CAAC;YAClF,IAAI,CAAC,WAAW,CAAC,eAAe,EAAE,CAAC;QACrC,CAAC,CAAC,CAAC;QAEL,IAAI,CAAC,WAAW,GAAG,IAAI,eAAe,CAAC,IAAI,CAAC,WAAW,CAAC,CAAC,QAAQ,EAAE,CAAC;IACtE,CAAC;IAED,gEAAgE;IAChE,oBAAoB,CAAC,KAAoB;QACvC,MAAM,EAAC,OAAO,EAAC,GAAG,KAAK,CAAC;QACxB,MAAM,OAAO,GAAG,IAAI,CAAC,WAAW,CAAC;QAEjC,IAAI,OAAO,KAAK,IAAI,EAAE;YACpB,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,EAAE;gBAC1B,OAAO,CAAC,kBAAkB,EAAE,CAAC;gBAC7B,KAAK,CAAC,cAAc,EAAE,CAAC;aACxB;SACF;aAAM,IAAI,OAAO,KAAK,GAAG,EAAE;YAC1B,IAAI,CAAC,cAAc,CAAC,KAAK,CAAC,EAAE;gBAC1B,OAAO,CAAC,iBAAiB,EAAE,CAAC;gBAC5B,KAAK,CAAC,cAAc,EAAE,CAAC;aACxB;SACF;aAAM;YACL,IAAI,CAAC,WAAW,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC;SACnC;IACH,CAAC;IAED,kBAAkB,CAAC,MAA+B;QAChD,IAAI,CAAC,WAAW,CAAC,gBAAgB,CAAC,MAAM,CAAC,CAAC;IAC5C,CAAC;;;YA7EF,SAAS,SAAC;gBACT,QAAQ,EAAE,eAAe;gBACzB,QAAQ,EAAE,cAAc;gBACxB,MAAM,EAAE,CAAC,OAAO,CAAC;gBACjB,SAAS,EAAE,CAAC;wBACV,OAAO,EAAE,aAAa;wBACtB,WAAW,EAAE,YAAY;qBAC1B,CAAC;gBACF,IAAI,EAAE;oBACJ,KAAK,EAAE,eAAe;oBACtB,4EAA4E;oBAC5E,sEAAsE;oBACtE,6BAA6B,EAAE,YAAY;iBAC5C;aACF;;;uBAQE,eAAe,SAAC,uBAAuB,EAAE,EAAC,WAAW,EAAE,IAAI,EAAC;yBAI5D,KAAK;0BAaL,KAAK;6BAGL,KAAK","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Directive, Input, ContentChildren, QueryList, AfterContentInit} from '@angular/core';\nimport {BooleanInput, coerceBooleanProperty} from '@angular/cdk/coercion';\nimport {CdkAccordion} from '@angular/cdk/accordion';\nimport {FocusKeyManager} from '@angular/cdk/a11y';\nimport {HOME, END, hasModifierKey} from '@angular/cdk/keycodes';\nimport {startWith} from 'rxjs/operators';\nimport {\n  MAT_ACCORDION,\n  MatAccordionBase,\n  MatAccordionDisplayMode,\n  MatAccordionTogglePosition\n} from './accordion-base';\nimport {MatExpansionPanelHeader} from './expansion-panel-header';\n\n/**\n * Directive for a Material Design Accordion.\n */\n@Directive({\n  selector: 'mat-accordion',\n  exportAs: 'matAccordion',\n  inputs: ['multi'],\n  providers: [{\n    provide: MAT_ACCORDION,\n    useExisting: MatAccordion\n  }],\n  host: {\n    class: 'mat-accordion',\n    // Class binding which is only used by the test harness as there is no other\n    // way for the harness to detect if multiple panel support is enabled.\n    '[class.mat-accordion-multi]': 'this.multi',\n  }\n})\nexport class MatAccordion extends CdkAccordion implements MatAccordionBase, AfterContentInit {\n  private _keyManager: FocusKeyManager<MatExpansionPanelHeader>;\n\n  /** Headers belonging to this accordion. */\n  private _ownHeaders = new QueryList<MatExpansionPanelHeader>();\n\n  /** All headers inside the accordion. Includes headers inside nested accordions. */\n  @ContentChildren(MatExpansionPanelHeader, {descendants: true})\n  _headers: QueryList<MatExpansionPanelHeader>;\n\n  /** Whether the expansion indicator should be hidden. */\n  @Input()\n  get hideToggle(): boolean { return this._hideToggle; }\n  set hideToggle(show: boolean) { this._hideToggle = coerceBooleanProperty(show); }\n  private _hideToggle: boolean = false;\n\n  /**\n   * Display mode used for all expansion panels in the accordion. Currently two display\n   * modes exist:\n   *  default - a gutter-like spacing is placed around any expanded panel, placing the expanded\n   *     panel at a different elevation from the rest of the accordion.\n   *  flat - no spacing is placed around expanded panels, showing all panels at the same\n   *     elevation.\n   */\n  @Input() displayMode: MatAccordionDisplayMode = 'default';\n\n  /** The position of the expansion indicator. */\n  @Input() togglePosition: MatAccordionTogglePosition = 'after';\n\n  ngAfterContentInit() {\n    this._headers.changes\n      .pipe(startWith(this._headers))\n      .subscribe((headers: QueryList<MatExpansionPanelHeader>) => {\n        this._ownHeaders.reset(headers.filter(header => header.panel.accordion === this));\n        this._ownHeaders.notifyOnChanges();\n      });\n\n    this._keyManager = new FocusKeyManager(this._ownHeaders).withWrap();\n  }\n\n  /** Handles keyboard events coming in from the panel headers. */\n  _handleHeaderKeydown(event: KeyboardEvent) {\n    const {keyCode} = event;\n    const manager = this._keyManager;\n\n    if (keyCode === HOME) {\n      if (!hasModifierKey(event)) {\n        manager.setFirstItemActive();\n        event.preventDefault();\n      }\n    } else if (keyCode === END) {\n      if (!hasModifierKey(event)) {\n        manager.setLastItemActive();\n        event.preventDefault();\n      }\n    } else {\n      this._keyManager.onKeydown(event);\n    }\n  }\n\n  _handleHeaderFocus(header: MatExpansionPanelHeader) {\n    this._keyManager.updateActiveItem(header);\n  }\n\n  static ngAcceptInputType_hideToggle: BooleanInput;\n}\n"]}