truly-ui
Version:
Web Components for Desktop Applications.
110 lines (108 loc) • 13.7 kB
JavaScript
/*
MIT License
Copyright (c) 2019 Temainfo Sistemas
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
import { Directive, Input } from '@angular/core';
import * as i0 from "@angular/core";
export class FixedPositionDirective {
constructor(renderer, hostElement) {
this.renderer = renderer;
this.hostElement = hostElement;
this.positionY = 'above';
this.positionX = 'after';
this.overlapTrigger = false;
}
ngAfterViewInit() {
this.listenScroll();
}
setPositioning() {
if (this.target && this.hostElement) {
this.validateTypeTarget();
this.renderer.setStyle(this.hostElement.nativeElement, 'position', 'fixed');
this.setLeftPosition();
this.setPositionY();
this.setPositionX();
}
}
listenScroll() {
this.renderer.listen(window, 'scroll', () => {
this.setPositioning();
});
}
validateTypeTarget() {
if (this.target.localName === 'tl-button') {
this.target = this.target.firstElementChild;
}
}
setLeftPosition() {
this.renderer.setStyle(this.hostElement.nativeElement, 'left', this.target.getBoundingClientRect().left + 'px');
}
setPositionY() {
switch (this.positionY) {
case 'bellow':
this.setBellowPosition();
break;
case 'above':
this.setAbovePosition();
break;
}
}
setPositionX() {
switch (this.positionX) {
case 'after':
this.setAfterPosition();
break;
case 'before':
this.setBeforePosition();
break;
}
}
setBeforePosition() {
this.renderer.setStyle(this.hostElement.nativeElement, 'left', this.target.getBoundingClientRect().left + 'px');
}
setAfterPosition() {
this.renderer.setStyle(this.hostElement.nativeElement, 'left', this.target.getBoundingClientRect().right - this.hostElement.nativeElement.offsetWidth + 'px');
}
setAbovePosition() {
const calcPos = this.target.getBoundingClientRect().top - this.hostElement.nativeElement.offsetHeight;
const calcOverlap = !this.overlapTrigger ? calcPos : calcPos + this.target.offsetHeight;
this.renderer.setStyle(this.hostElement.nativeElement, 'top', calcOverlap + 'px');
}
setBellowPosition() {
const calcPos = this.target.getBoundingClientRect().top;
const calcOverlap = !this.overlapTrigger ? calcPos + this.target.offsetHeight : calcPos;
this.renderer.setStyle(this.hostElement.nativeElement, 'top', calcOverlap + 'px');
}
}
/** @nocollapse */ FixedPositionDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.10", ngImport: i0, type: FixedPositionDirective, deps: [{ token: i0.Renderer2 }, { token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Directive });
/** @nocollapse */ FixedPositionDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "15.2.10", type: FixedPositionDirective, selector: "[fixedPosition]", inputs: { positionY: "positionY", positionX: "positionX", overlapTrigger: "overlapTrigger", target: "target" }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.10", ngImport: i0, type: FixedPositionDirective, decorators: [{
type: Directive,
args: [{
selector: '[fixedPosition]'
}]
}], ctorParameters: function () { return [{ type: i0.Renderer2 }, { type: i0.ElementRef }]; }, propDecorators: { positionY: [{
type: Input
}], positionX: [{
type: Input
}], overlapTrigger: [{
type: Input
}], target: [{
type: Input
}] } });
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IN NO EVENT SHALL THE\n AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n */\nimport { AfterViewInit, Directive, ElementRef, Input, Renderer2 } from '@angular/core';\n\n@Directive( {\n  selector: '[fixedPosition]'\n} )\nexport class FixedPositionDirective implements AfterViewInit {\n\n  @Input() positionY = 'above';\n\n  @Input() positionX = 'after';\n\n  @Input() overlapTrigger = false;\n\n  @Input() target;\n\n  constructor( private renderer: Renderer2, private hostElement: ElementRef ) {}\n\n  ngAfterViewInit() {\n    this.listenScroll();\n  }\n\n  setPositioning() {\n    if ( this.target && this.hostElement ) {\n      this.validateTypeTarget();\n      this.renderer.setStyle( this.hostElement.nativeElement, 'position', 'fixed' );\n      this.setLeftPosition();\n      this.setPositionY();\n      this.setPositionX();\n    }\n  }\n\n  private listenScroll() {\n    this.renderer.listen(window, 'scroll', () => {\n      this.setPositioning();\n    });\n  }\n\n  private validateTypeTarget() {\n    if ( this.target.localName === 'tl-button' ) {\n      this.target = this.target.firstElementChild;\n    }\n  }\n\n  private setLeftPosition() {\n    this.renderer.setStyle( this.hostElement.nativeElement, 'left',\n      this.target.getBoundingClientRect().left + 'px' );\n  }\n\n  private setPositionY() {\n    switch ( this.positionY ) {\n      case 'bellow' :\n        this.setBellowPosition();\n        break;\n      case 'above':\n        this.setAbovePosition();\n        break;\n    }\n  }\n\n  private setPositionX() {\n    switch ( this.positionX ) {\n      case 'after' :\n        this.setAfterPosition();\n        break;\n      case 'before':\n        this.setBeforePosition();\n        break;\n    }\n  }\n\n  private setBeforePosition() {\n    this.renderer.setStyle( this.hostElement.nativeElement, 'left',\n      this.target.getBoundingClientRect().left + 'px' );\n  }\n\n  private setAfterPosition() {\n    this.renderer.setStyle( this.hostElement.nativeElement, 'left',\n      this.target.getBoundingClientRect().right - this.hostElement.nativeElement.offsetWidth + 'px' );\n  }\n\n  private setAbovePosition() {\n    const calcPos = this.target.getBoundingClientRect().top - this.hostElement.nativeElement.offsetHeight;\n    const calcOverlap = !this.overlapTrigger ? calcPos : calcPos + this.target.offsetHeight;\n    this.renderer.setStyle( this.hostElement.nativeElement, 'top', calcOverlap + 'px' );\n  }\n\n  private setBellowPosition() {\n    const calcPos = this.target.getBoundingClientRect().top;\n    const calcOverlap = !this.overlapTrigger ? calcPos + this.target.offsetHeight : calcPos;\n    this.renderer.setStyle( this.hostElement.nativeElement, 'top', calcOverlap + 'px' );\n  }\n\n}\n\n"]}