@angular/flex-layout
Version:
Angular Flex-Layout =======
194 lines • 26.5 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, Injectable } from '@angular/core';
import { BaseDirective2, StyleBuilder, } from '@angular/flex-layout/core';
import { takeUntil } from 'rxjs/operators';
import { extendObject } from '@angular/flex-layout/_private-utils';
import { LAYOUT_VALUES, isFlowHorizontal } from '@angular/flex-layout/_private-utils';
import * as i0 from "@angular/core";
import * as i1 from "@angular/flex-layout/core";
export class LayoutAlignStyleBuilder extends StyleBuilder {
buildStyles(align, parent) {
const css = {}, [mainAxis, crossAxis] = align.split(' ');
// Main axis
switch (mainAxis) {
case 'center':
css['justify-content'] = 'center';
break;
case 'space-around':
css['justify-content'] = 'space-around';
break;
case 'space-between':
css['justify-content'] = 'space-between';
break;
case 'space-evenly':
css['justify-content'] = 'space-evenly';
break;
case 'end':
case 'flex-end':
css['justify-content'] = 'flex-end';
break;
case 'start':
case 'flex-start':
default:
css['justify-content'] = 'flex-start'; // default main axis
break;
}
// Cross-axis
switch (crossAxis) {
case 'start':
case 'flex-start':
css['align-items'] = css['align-content'] = 'flex-start';
break;
case 'center':
css['align-items'] = css['align-content'] = 'center';
break;
case 'end':
case 'flex-end':
css['align-items'] = css['align-content'] = 'flex-end';
break;
case 'space-between':
css['align-content'] = 'space-between';
css['align-items'] = 'stretch';
break;
case 'space-around':
css['align-content'] = 'space-around';
css['align-items'] = 'stretch';
break;
case 'baseline':
css['align-content'] = 'stretch';
css['align-items'] = 'baseline';
break;
case 'stretch':
default: // 'stretch'
css['align-items'] = css['align-content'] = 'stretch'; // default cross axis
break;
}
return extendObject(css, {
'display': parent.inline ? 'inline-flex' : 'flex',
'flex-direction': parent.layout,
'box-sizing': 'border-box',
'max-width': crossAxis === 'stretch' ?
!isFlowHorizontal(parent.layout) ? '100%' : null : null,
'max-height': crossAxis === 'stretch' ?
isFlowHorizontal(parent.layout) ? '100%' : null : null,
});
}
}
LayoutAlignStyleBuilder.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: LayoutAlignStyleBuilder, deps: null, target: i0.ɵɵFactoryTarget.Injectable });
LayoutAlignStyleBuilder.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: LayoutAlignStyleBuilder, providedIn: 'root' });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: LayoutAlignStyleBuilder, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}] });
const inputs = [
'fxLayoutAlign', 'fxLayoutAlign.xs', 'fxLayoutAlign.sm', 'fxLayoutAlign.md',
'fxLayoutAlign.lg', 'fxLayoutAlign.xl', 'fxLayoutAlign.lt-sm', 'fxLayoutAlign.lt-md',
'fxLayoutAlign.lt-lg', 'fxLayoutAlign.lt-xl', 'fxLayoutAlign.gt-xs', 'fxLayoutAlign.gt-sm',
'fxLayoutAlign.gt-md', 'fxLayoutAlign.gt-lg'
];
const selector = `
[fxLayoutAlign], [fxLayoutAlign.xs], [fxLayoutAlign.sm], [fxLayoutAlign.md],
[fxLayoutAlign.lg], [fxLayoutAlign.xl], [fxLayoutAlign.lt-sm], [fxLayoutAlign.lt-md],
[fxLayoutAlign.lt-lg], [fxLayoutAlign.lt-xl], [fxLayoutAlign.gt-xs], [fxLayoutAlign.gt-sm],
[fxLayoutAlign.gt-md], [fxLayoutAlign.gt-lg]
`;
/**
* 'layout-align' flexbox styling directive
* Defines positioning of child elements along main and cross axis in a layout container
* Optional values: {main-axis} values or {main-axis cross-axis} value pairs
*
* @see https://css-tricks.com/almanac/properties/j/justify-content/
* @see https://css-tricks.com/almanac/properties/a/align-items/
* @see https://css-tricks.com/almanac/properties/a/align-content/
*/
export class LayoutAlignDirective extends BaseDirective2 {
constructor(elRef, styleUtils, styleBuilder, marshal) {
super(elRef, styleBuilder, styleUtils, marshal);
this.DIRECTIVE_KEY = 'layout-align';
this.layout = 'row'; // default flex-direction
this.inline = false; // default inline value
this.init();
this.marshal.trackValue(this.nativeElement, 'layout')
.pipe(takeUntil(this.destroySubject))
.subscribe(this.onLayoutChange.bind(this));
}
// *********************************************
// Protected methods
// *********************************************
/**
*
*/
updateWithValue(value) {
const layout = this.layout || 'row';
const inline = this.inline;
if (layout === 'row' && inline) {
this.styleCache = layoutAlignHorizontalInlineCache;
}
else if (layout === 'row' && !inline) {
this.styleCache = layoutAlignHorizontalCache;
}
else if (layout === 'row-reverse' && inline) {
this.styleCache = layoutAlignHorizontalRevInlineCache;
}
else if (layout === 'row-reverse' && !inline) {
this.styleCache = layoutAlignHorizontalRevCache;
}
else if (layout === 'column' && inline) {
this.styleCache = layoutAlignVerticalInlineCache;
}
else if (layout === 'column' && !inline) {
this.styleCache = layoutAlignVerticalCache;
}
else if (layout === 'column-reverse' && inline) {
this.styleCache = layoutAlignVerticalRevInlineCache;
}
else if (layout === 'column-reverse' && !inline) {
this.styleCache = layoutAlignVerticalRevCache;
}
this.addStyles(value, { layout, inline });
}
/**
* Cache the parent container 'flex-direction' and update the 'flex' styles
*/
onLayoutChange(matcher) {
const layoutKeys = matcher.value.split(' ');
this.layout = layoutKeys[0];
this.inline = matcher.value.includes('inline');
if (!LAYOUT_VALUES.find(x => x === this.layout)) {
this.layout = 'row';
}
this.triggerUpdate();
}
}
LayoutAlignDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: LayoutAlignDirective, deps: [{ token: i0.ElementRef }, { token: i1.StyleUtils }, { token: LayoutAlignStyleBuilder }, { token: i1.MediaMarshaller }], target: i0.ɵɵFactoryTarget.Directive });
LayoutAlignDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "13.0.2", type: LayoutAlignDirective, usesInheritance: true, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: LayoutAlignDirective, decorators: [{
type: Directive
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i1.StyleUtils }, { type: LayoutAlignStyleBuilder }, { type: i1.MediaMarshaller }]; } });
export class DefaultLayoutAlignDirective extends LayoutAlignDirective {
constructor() {
super(...arguments);
this.inputs = inputs;
}
}
DefaultLayoutAlignDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: DefaultLayoutAlignDirective, deps: null, target: i0.ɵɵFactoryTarget.Directive });
DefaultLayoutAlignDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "13.0.2", type: DefaultLayoutAlignDirective, selector: "\n [fxLayoutAlign], [fxLayoutAlign.xs], [fxLayoutAlign.sm], [fxLayoutAlign.md],\n [fxLayoutAlign.lg], [fxLayoutAlign.xl], [fxLayoutAlign.lt-sm], [fxLayoutAlign.lt-md],\n [fxLayoutAlign.lt-lg], [fxLayoutAlign.lt-xl], [fxLayoutAlign.gt-xs], [fxLayoutAlign.gt-sm],\n [fxLayoutAlign.gt-md], [fxLayoutAlign.gt-lg]\n", inputs: { fxLayoutAlign: "fxLayoutAlign", "fxLayoutAlign.xs": "fxLayoutAlign.xs", "fxLayoutAlign.sm": "fxLayoutAlign.sm", "fxLayoutAlign.md": "fxLayoutAlign.md", "fxLayoutAlign.lg": "fxLayoutAlign.lg", "fxLayoutAlign.xl": "fxLayoutAlign.xl", "fxLayoutAlign.lt-sm": "fxLayoutAlign.lt-sm", "fxLayoutAlign.lt-md": "fxLayoutAlign.lt-md", "fxLayoutAlign.lt-lg": "fxLayoutAlign.lt-lg", "fxLayoutAlign.lt-xl": "fxLayoutAlign.lt-xl", "fxLayoutAlign.gt-xs": "fxLayoutAlign.gt-xs", "fxLayoutAlign.gt-sm": "fxLayoutAlign.gt-sm", "fxLayoutAlign.gt-md": "fxLayoutAlign.gt-md", "fxLayoutAlign.gt-lg": "fxLayoutAlign.gt-lg" }, usesInheritance: true, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: DefaultLayoutAlignDirective, decorators: [{
type: Directive,
args: [{ selector, inputs }]
}] });
const layoutAlignHorizontalCache = new Map();
const layoutAlignVerticalCache = new Map();
const layoutAlignHorizontalRevCache = new Map();
const layoutAlignVerticalRevCache = new Map();
const layoutAlignHorizontalInlineCache = new Map();
const layoutAlignVerticalInlineCache = new Map();
const layoutAlignHorizontalRevInlineCache = new Map();
const layoutAlignVerticalRevInlineCache = new Map();
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* @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 */\nimport {Directive, ElementRef, Injectable} from '@angular/core';\nimport {\n  BaseDirective2,\n  StyleBuilder,\n  StyleDefinition,\n  StyleUtils,\n  MediaMarshaller,\n  ElementMatcher,\n} from '@angular/flex-layout/core';\nimport {takeUntil} from 'rxjs/operators';\n\nimport {extendObject} from '@angular/flex-layout/_private-utils';\nimport {LAYOUT_VALUES, isFlowHorizontal} from '@angular/flex-layout/_private-utils';\n\nexport interface LayoutAlignParent {\n  layout: string;\n  inline: boolean;\n}\n\n@Injectable({providedIn: 'root'})\nexport class LayoutAlignStyleBuilder extends StyleBuilder {\n  buildStyles(align: string, parent: LayoutAlignParent) {\n    const css: StyleDefinition = {}, [mainAxis, crossAxis] = align.split(' ');\n\n    // Main axis\n    switch (mainAxis) {\n      case 'center':\n        css['justify-content'] = 'center';\n        break;\n      case 'space-around':\n        css['justify-content'] = 'space-around';\n        break;\n      case 'space-between':\n        css['justify-content'] = 'space-between';\n        break;\n      case 'space-evenly':\n        css['justify-content'] = 'space-evenly';\n        break;\n      case 'end':\n      case 'flex-end':\n        css['justify-content'] = 'flex-end';\n        break;\n      case 'start':\n      case 'flex-start':\n      default :\n        css['justify-content'] = 'flex-start';  // default main axis\n        break;\n    }\n\n    // Cross-axis\n    switch (crossAxis) {\n      case 'start':\n      case 'flex-start':\n        css['align-items'] = css['align-content'] = 'flex-start';\n        break;\n      case 'center':\n        css['align-items'] = css['align-content'] = 'center';\n        break;\n      case 'end':\n      case 'flex-end':\n        css['align-items'] = css['align-content'] = 'flex-end';\n        break;\n      case 'space-between':\n        css['align-content'] = 'space-between';\n        css['align-items'] = 'stretch';\n        break;\n      case 'space-around':\n        css['align-content'] = 'space-around';\n        css['align-items'] = 'stretch';\n        break;\n      case 'baseline':\n        css['align-content'] = 'stretch';\n        css['align-items'] = 'baseline';\n        break;\n      case 'stretch':\n      default : // 'stretch'\n        css['align-items'] = css['align-content'] = 'stretch';   // default cross axis\n        break;\n    }\n\n    return extendObject(css, {\n      'display' : parent.inline ? 'inline-flex' : 'flex',\n      'flex-direction' : parent.layout,\n      'box-sizing' : 'border-box',\n      'max-width': crossAxis === 'stretch' ?\n        !isFlowHorizontal(parent.layout) ? '100%' : null : null,\n      'max-height': crossAxis === 'stretch' ?\n        isFlowHorizontal(parent.layout) ? '100%' : null : null,\n    }) as StyleDefinition;\n  }\n}\n\nconst inputs = [\n  'fxLayoutAlign', 'fxLayoutAlign.xs', 'fxLayoutAlign.sm', 'fxLayoutAlign.md',\n  'fxLayoutAlign.lg', 'fxLayoutAlign.xl', 'fxLayoutAlign.lt-sm', 'fxLayoutAlign.lt-md',\n  'fxLayoutAlign.lt-lg', 'fxLayoutAlign.lt-xl', 'fxLayoutAlign.gt-xs', 'fxLayoutAlign.gt-sm',\n  'fxLayoutAlign.gt-md', 'fxLayoutAlign.gt-lg'\n];\nconst selector = `\n  [fxLayoutAlign], [fxLayoutAlign.xs], [fxLayoutAlign.sm], [fxLayoutAlign.md],\n  [fxLayoutAlign.lg], [fxLayoutAlign.xl], [fxLayoutAlign.lt-sm], [fxLayoutAlign.lt-md],\n  [fxLayoutAlign.lt-lg], [fxLayoutAlign.lt-xl], [fxLayoutAlign.gt-xs], [fxLayoutAlign.gt-sm],\n  [fxLayoutAlign.gt-md], [fxLayoutAlign.gt-lg]\n`;\n\n/**\n * 'layout-align' flexbox styling directive\n *  Defines positioning of child elements along main and cross axis in a layout container\n *  Optional values: {main-axis} values or {main-axis cross-axis} value pairs\n *\n *  @see https://css-tricks.com/almanac/properties/j/justify-content/\n *  @see https://css-tricks.com/almanac/properties/a/align-items/\n *  @see https://css-tricks.com/almanac/properties/a/align-content/\n */\n@Directive()\nexport class LayoutAlignDirective extends BaseDirective2 {\n  protected DIRECTIVE_KEY = 'layout-align';\n  protected layout = 'row';  // default flex-direction\n  protected inline = false;  // default inline value\n\n  constructor(elRef: ElementRef,\n              styleUtils: StyleUtils,\n              styleBuilder: LayoutAlignStyleBuilder,\n              marshal: MediaMarshaller) {\n    super(elRef, styleBuilder, styleUtils, marshal);\n    this.init();\n    this.marshal.trackValue(this.nativeElement, 'layout')\n      .pipe(takeUntil(this.destroySubject))\n      .subscribe(this.onLayoutChange.bind(this));\n  }\n\n  // *********************************************\n  // Protected methods\n  // *********************************************\n\n  /**\n   *\n   */\n  protected updateWithValue(value: string) {\n    const layout = this.layout || 'row';\n    const inline = this.inline;\n    if (layout === 'row' && inline) {\n      this.styleCache = layoutAlignHorizontalInlineCache;\n    } else if (layout === 'row' && !inline) {\n      this.styleCache = layoutAlignHorizontalCache;\n    } else if (layout === 'row-reverse' && inline) {\n      this.styleCache = layoutAlignHorizontalRevInlineCache;\n    } else if (layout === 'row-reverse' && !inline) {\n      this.styleCache = layoutAlignHorizontalRevCache;\n    } else if (layout === 'column' && inline) {\n      this.styleCache = layoutAlignVerticalInlineCache;\n    } else if (layout === 'column' && !inline) {\n      this.styleCache = layoutAlignVerticalCache;\n    } else if (layout === 'column-reverse' && inline) {\n      this.styleCache = layoutAlignVerticalRevInlineCache;\n    } else if (layout === 'column-reverse' && !inline) {\n      this.styleCache = layoutAlignVerticalRevCache;\n    }\n    this.addStyles(value, {layout, inline});\n  }\n\n  /**\n   * Cache the parent container 'flex-direction' and update the 'flex' styles\n   */\n  protected onLayoutChange(matcher: ElementMatcher) {\n    const layoutKeys: string[] = matcher.value.split(' ');\n    this.layout = layoutKeys[0];\n    this.inline = matcher.value.includes('inline');\n    if (!LAYOUT_VALUES.find(x => x === this.layout)) {\n      this.layout = 'row';\n    }\n    this.triggerUpdate();\n  }\n}\n\n@Directive({selector, inputs})\nexport class DefaultLayoutAlignDirective extends LayoutAlignDirective {\n  protected inputs = inputs;\n}\n\nconst layoutAlignHorizontalCache: Map<string, StyleDefinition> = new Map();\nconst layoutAlignVerticalCache: Map<string, StyleDefinition> = new Map();\nconst layoutAlignHorizontalRevCache: Map<string, StyleDefinition> = new Map();\nconst layoutAlignVerticalRevCache: Map<string, StyleDefinition> = new Map();\nconst layoutAlignHorizontalInlineCache: Map<string, StyleDefinition> = new Map();\nconst layoutAlignVerticalInlineCache: Map<string, StyleDefinition> = new Map();\nconst layoutAlignHorizontalRevInlineCache: Map<string, StyleDefinition> = new Map();\nconst layoutAlignVerticalRevInlineCache: Map<string, StyleDefinition> = new Map();\n"]}