@blox/material
Version:
Material Components for Angular
125 lines • 13.8 kB
JavaScript
import { Directive, ElementRef, HostBinding, Renderer2, ContentChildren } from '@angular/core';
import { MDCNotchedOutlineFoundation } from '@material/notched-outline';
/**
* This directive styles the notch of an `mdcNotchedOutline`. It should wrap the (floating)
* label of an input like `mdcTextField` or `mdcSelect`.
*/
export class MdcNotchedOutlineNotchDirective {
constructor(_elm) {
this._elm = _elm;
/** @internal */
this._cls = true;
}
}
MdcNotchedOutlineNotchDirective.decorators = [
{ type: Directive, args: [{
selector: '[mdcNotchedOutlineNotch]'
},] }
];
MdcNotchedOutlineNotchDirective.ctorParameters = () => [
{ type: ElementRef }
];
MdcNotchedOutlineNotchDirective.propDecorators = {
_cls: [{ type: HostBinding, args: ['class.mdc-notched-outline__notch',] }]
};
/**
* The notched outline is a border around all sides of either an `mdcTextField` or an
* `mdcSelect`. It should only be used for the outlined variant of these inputs.
* This directive should wrap an `mdcNotchedOutlineNotch`, which in turn wraps the
* actual label.
*/
export class MdcNotchedOutlineDirective {
constructor(rndr, root) {
this.rndr = rndr;
this.root = root;
/** @internal */
this._cls = true;
this.notchWidth = null;
this.mdcAdapter = {
addClass: (name) => this.rndr.addClass(this.root.nativeElement, name),
removeClass: (name) => this.rndr.removeClass(this.root.nativeElement, name),
setNotchWidthProperty: (width) => this.rndr.setStyle(this.notch._elm.nativeElement, 'width', `${width}px`),
removeNotchWidthProperty: () => this.rndr.removeStyle(this.notch._elm.nativeElement, 'width')
};
this.foundation = null;
this.addSurround('mdc-notched-outline__leading');
}
ngAfterContentInit() {
this.addSurround('mdc-notched-outline__trailing');
if (this.notch)
this.initFoundation();
this._notches.changes.subscribe(() => {
this.destroyFoundation();
if (this._notches.length > 0)
this.initFoundation();
});
}
ngOnDestroy() {
this.destroyFoundation();
}
initFoundation() {
this.foundation = new MDCNotchedOutlineFoundation(this.mdcAdapter);
this.foundation.init();
if (this.notchWidth)
this.foundation.notch(this.notchWidth);
else
this.foundation.closeNotch();
}
destroyFoundation() {
if (this.foundation) {
this.foundation.destroy();
this.foundation = null;
}
}
addSurround(clazz) {
let surround = this.rndr.createElement('span');
this.rndr.addClass(surround, clazz);
this.rndr.appendChild(this.root.nativeElement, surround);
}
get notch() {
var _a;
return (_a = this._notches) === null || _a === void 0 ? void 0 : _a.first;
}
/**
* Opens the notched outline.
*
* @param width The width of the notch.
*/
open(width) {
// TODO we actually want to compare the size here as well as the open/closed state (by dropping !! on both sides)
// but this reduces the width of the label when the input has a non-empty value. Needs investigation.
if (!!this.notchWidth !== !!width) {
this.notchWidth = width;
if (this.foundation)
this.foundation.notch(width);
}
}
/**
* Closes the notched outline.
*/
close() {
if (this.notchWidth != null) {
this.notchWidth = null;
if (this.foundation)
this.foundation.closeNotch();
}
}
}
MdcNotchedOutlineDirective.decorators = [
{ type: Directive, args: [{
selector: '[mdcNotchedOutline]'
},] }
];
MdcNotchedOutlineDirective.ctorParameters = () => [
{ type: Renderer2 },
{ type: ElementRef }
];
MdcNotchedOutlineDirective.propDecorators = {
_cls: [{ type: HostBinding, args: ['class.mdc-notched-outline',] }],
_notches: [{ type: ContentChildren, args: [MdcNotchedOutlineNotchDirective,] }]
};
export const NOTCHED_OUTLINE_DIRECTIVES = [
MdcNotchedOutlineNotchDirective,
MdcNotchedOutlineDirective
];
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It should wrap the (floating)\n * label of an input like `mdcTextField` or `mdcSelect`.\n */\n@Directive({\n    selector: '[mdcNotchedOutlineNotch]'\n})\nexport class MdcNotchedOutlineNotchDirective {\n    /** @internal */\n    @HostBinding('class.mdc-notched-outline__notch') readonly _cls = true;\n\n    constructor(public _elm: ElementRef) {\n    }\n}\n\n/**\n * The notched outline is a border around all sides of either an `mdcTextField` or an\n * `mdcSelect`. It should only be used for the outlined variant of these inputs.\n * This directive should wrap an `mdcNotchedOutlineNotch`, which in turn wraps the\n * actual label.\n */\n@Directive({\n    selector: '[mdcNotchedOutline]'\n})\nexport class MdcNotchedOutlineDirective implements AfterContentInit, OnDestroy {\n    /** @internal */\n    @HostBinding('class.mdc-notched-outline') readonly _cls = true;\n    /** @internal */\n    @ContentChildren(MdcNotchedOutlineNotchDirective) _notches?: QueryList<MdcNotchedOutlineNotchDirective>;\n    private notchWidth: number | null = null;\n    private mdcAdapter: MDCNotchedOutlineAdapter = {\n        addClass: (name) => this.rndr.addClass(this.root.nativeElement, name),\n        removeClass: (name) => this.rndr.removeClass(this.root.nativeElement, name),\n        setNotchWidthProperty: (width) => this.rndr.setStyle(this.notch!._elm.nativeElement, 'width', `${width}px`),\n        removeNotchWidthProperty: () => this.rndr.removeStyle(this.notch!._elm.nativeElement, 'width')\n    };\n    private foundation: MDCNotchedOutlineFoundation | null = null;\n\n    constructor(private rndr: Renderer2, private root: ElementRef) {\n        this.addSurround('mdc-notched-outline__leading')\n    }\n\n    ngAfterContentInit() {\n        this.addSurround('mdc-notched-outline__trailing');\n        if (this.notch)\n            this.initFoundation();\n        this._notches!.changes.subscribe(() => {\n            this.destroyFoundation();\n            if (this._notches!.length > 0)\n                this.initFoundation();\n        });\n    }\n\n    ngOnDestroy() {\n        this.destroyFoundation();\n    }\n\n    private initFoundation() {\n        this.foundation = new MDCNotchedOutlineFoundation(this.mdcAdapter);\n        this.foundation.init();\n        if (this.notchWidth)\n            this.foundation.notch(this.notchWidth);\n        else\n            this.foundation.closeNotch();\n    }\n\n    private destroyFoundation() {\n        if (this.foundation) {\n            this.foundation.destroy();\n            this.foundation = null;\n        }\n    }\n\n    private addSurround(clazz: string) {\n        let surround = this.rndr.createElement('span');\n        this.rndr.addClass(surround,clazz);\n        this.rndr.appendChild(this.root.nativeElement, surround);\n    }\n\n    private get notch() {\n        return this._notches?.first;\n    }\n\n    /**\n     * Opens the notched outline.\n     * \n     * @param width The width of the notch.\n     */\n    open(width: number) {\n        // TODO we actually want to compare the size here as well as the open/closed state (by dropping !! on both sides)\n        // but this reduces the width of the label when the input has a non-empty value. Needs investigation.\n        if (!!this.notchWidth !== !!width) {\n            this.notchWidth = width;\n            if (this.foundation)\n                this.foundation.notch(width);\n        }\n    }\n\n    /**\n     * Closes the notched outline.\n     */\n    close() {\n        if (this.notchWidth != null) {\n            this.notchWidth = null;\n            if (this.foundation)\n                this.foundation.closeNotch();\n        }\n    }\n}\n\nexport const NOTCHED_OUTLINE_DIRECTIVES = [\n    MdcNotchedOutlineNotchDirective,\n    MdcNotchedOutlineDirective\n];\n"]}