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Fix(md-menu) : Added prevent close( when user clicks inside menu panel) feature. #3897

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Fix(md-menu) : Added prevent close( when user clicks inside menu panel) feature. #3897

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c176141
Update menu-trigger.ts
ravinderpayal Apr 4, 2017
5dbb879
Update menu-trigger.ts
ravinderpayal Apr 5, 2017
4ea999f
Update menu-trigger.ts
ravinderpayal Apr 5, 2017
a740d85
Update menu-trigger.ts
ravinderpayal Apr 5, 2017
541ccab
Update menu-trigger.ts
ravinderpayal Apr 5, 2017
9a7c1fa
Update menu-trigger.ts
ravinderpayal Apr 5, 2017
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26 changes: 23 additions & 3 deletions src/lib/menu/menu-trigger.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ import {MenuPositionX, MenuPositionY} from './menu-positions';
host: {
'aria-haspopup': 'true',
'(mousedown)': '_handleMousedown($event)',
'(click)': 'toggleMenu()',
'(click)': 'toggleMenu($event)',
},
exportAs: 'mdMenuTrigger'
})
Expand All @@ -54,6 +54,9 @@ export class MdMenuTrigger implements AfterViewInit, OnDestroy {
// the first item of the list when the menu is opened via the keyboard
private _openedByMouse: boolean = false;

/** Wether the preventClose for menu instance is asked or not.*/
@Input() preventClose: boolean = false;

/** @deprecated */
@Input('md-menu-trigger-for')
get _deprecatedMdMenuTriggerFor(): MdMenuPanel { return this.menu; }
Expand Down Expand Up @@ -93,8 +96,25 @@ export class MdMenuTrigger implements AfterViewInit, OnDestroy {
get menuOpen(): boolean { return this._menuOpen; }

/** Toggles the menu between the open and closed states. */
toggleMenu(): void {
return this._menuOpen ? this.closeMenu() : this.openMenu();
toggleMenu(event): void {
/** whent it's a void function why there is a return statement? */
/** Removed `return` */

/** Checks if preventClose is defined and has true value or not. */
if (this.preventClose) {
/**
* `this._element.nativeElement.contains(event.target)`.
* Checks if the target, where click was fired, falls inside menu panel or not.
*/
if (this._menuOpen && !this._element.nativeElement.contains(event.target)) {
this.closeMenu();
} else {
this.openMenu();
}
} else {
/** If no `preventClose` is defined, it will go same old way. */
this._menuOpen ? this.closeMenu() : this.openMenu();
}
}

/** Opens the menu. */
Expand Down