primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 16.6 kB
JavaScript
import * as i0 from '@angular/core';
import { EventEmitter, Component, ViewEncapsulation, ChangeDetectionStrategy, Input, Output, ContentChildren, ViewChild, NgModule } from '@angular/core';
import * as i1 from '@angular/common';
import { CommonModule } from '@angular/common';
import { DomHandler } from 'primeng/dom';
import { PrimeTemplate, SharedModule } from 'primeng/api';
class Splitter {
constructor(cd, el) {
this.cd = cd;
this.el = el;
this.stateStorage = "session";
this.stateKey = null;
this.layout = "horizontal";
this.gutterSize = 4;
this.panelSizes = [];
this.minSizes = [];
this.onResizeEnd = new EventEmitter();
this.nested = false;
this.panels = [];
this.dragging = false;
this.mouseMoveListener = null;
this.mouseUpListener = null;
this.touchMoveListener = null;
this.touchEndListener = null;
this.size = null;
this.gutterElement = null;
this.startPos = null;
this.prevPanelElement = null;
this.nextPanelElement = null;
this.nextPanelSize = null;
this.prevPanelSize = null;
this._panelSizes = null;
this.prevPanelIndex = null;
}
ngOnInit() {
this.nested = this.isNested();
}
ngAfterContentInit() {
this.templates.forEach((item) => {
switch (item.getType()) {
case 'panel':
this.panels.push(item.template);
break;
default:
this.panels.push(item.template);
break;
}
});
}
ngAfterViewInit() {
if (this.panels && this.panels.length) {
let initialized = false;
if (this.isStateful()) {
initialized = this.restoreState();
}
if (!initialized) {
let children = [...this.el.nativeElement.children[0].children].filter(child => DomHandler.hasClass(child, 'p-splitter-panel'));
let _panelSizes = [];
this.panels.map((panel, i) => {
let panelInitialSize = this.panelSizes.length - 1 >= i ? this.panelSizes[i] : null;
let panelSize = panelInitialSize || (100 / this.panels.length);
_panelSizes[i] = panelSize;
children[i].style.flexBasis = 'calc(' + panelSize + '% - ' + ((this.panels.length - 1) * this.gutterSize) + 'px)';
});
this._panelSizes = _panelSizes;
}
}
}
onResizeStart(event, index) {
this.gutterElement = event.currentTarget;
this.size = this.horizontal() ? DomHandler.getWidth(this.containerViewChild.nativeElement) : DomHandler.getHeight(this.containerViewChild.nativeElement);
this.dragging = true;
this.startPos = this.horizontal() ? (event.pageX || event.changedTouches[0].pageX) : (event.pageY || event.changedTouches[0].pageY);
this.prevPanelElement = this.gutterElement.previousElementSibling;
this.nextPanelElement = this.gutterElement.nextElementSibling;
this.prevPanelSize = 100 * (this.horizontal() ? DomHandler.getOuterWidth(this.prevPanelElement, true) : DomHandler.getOuterHeight(this.prevPanelElement, true)) / this.size;
this.nextPanelSize = 100 * (this.horizontal() ? DomHandler.getOuterWidth(this.nextPanelElement, true) : DomHandler.getOuterHeight(this.nextPanelElement, true)) / this.size;
this.prevPanelIndex = index;
DomHandler.addClass(this.gutterElement, 'p-splitter-gutter-resizing');
DomHandler.addClass(this.containerViewChild.nativeElement, 'p-splitter-resizing');
}
onResize(event) {
let newPos;
if (this.horizontal())
newPos = (event.pageX * 100 / this.size) - (this.startPos * 100 / this.size);
else
newPos = (event.pageY * 100 / this.size) - (this.startPos * 100 / this.size);
let newPrevPanelSize = this.prevPanelSize + newPos;
let newNextPanelSize = this.nextPanelSize - newPos;
if (this.validateResize(newPrevPanelSize, newNextPanelSize)) {
this.prevPanelElement.style.flexBasis = 'calc(' + newPrevPanelSize + '% - ' + ((this.panels.length - 1) * this.gutterSize) + 'px)';
this.nextPanelElement.style.flexBasis = 'calc(' + newNextPanelSize + '% - ' + ((this.panels.length - 1) * this.gutterSize) + 'px)';
this._panelSizes[this.prevPanelIndex] = newPrevPanelSize;
this._panelSizes[this.prevPanelIndex + 1] = newNextPanelSize;
}
}
resizeEnd(event) {
if (this.isStateful()) {
this.saveState();
}
this.onResizeEnd.emit({ originalEvent: event, sizes: this._panelSizes });
DomHandler.removeClass(this.gutterElement, 'p-splitter-gutter-resizing');
DomHandler.removeClass(this.containerViewChild.nativeElement, 'p-splitter-resizing');
this.clear();
}
onGutterMouseDown(event, index) {
this.onResizeStart(event, index);
this.bindMouseListeners();
}
onGutterTouchStart(event, index) {
if (event.cancelable) {
this.onResizeStart(event, index);
this.bindTouchListeners();
event.preventDefault();
}
}
onGutterTouchEnd(event) {
this.resizeEnd(event);
this.unbindTouchListeners();
if (event.cancelable)
event.preventDefault();
}
validateResize(newPrevPanelSize, newNextPanelSize) {
if (this.minSizes.length >= 1 && this.minSizes[0] && this.minSizes[0] > newPrevPanelSize) {
return false;
}
if (this.minSizes.length > 1 && this.minSizes[1] && this.minSizes[1] > newNextPanelSize) {
return false;
}
return true;
}
bindMouseListeners() {
if (!this.mouseMoveListener) {
this.mouseMoveListener = event => this.onResize(event);
document.addEventListener('mousemove', this.mouseMoveListener);
}
if (!this.mouseUpListener) {
this.mouseUpListener = event => {
this.resizeEnd(event);
this.unbindMouseListeners();
};
document.addEventListener('mouseup', this.mouseUpListener);
}
}
bindTouchListeners() {
if (!this.touchMoveListener) {
this.touchMoveListener = event => this.onResize(event.changedTouches[0]);
document.addEventListener('touchmove', this.touchMoveListener);
}
if (!this.touchEndListener) {
this.touchEndListener = event => {
this.resizeEnd(event);
this.unbindTouchListeners();
};
document.addEventListener('touchend', this.touchEndListener);
}
}
unbindMouseListeners() {
if (this.mouseMoveListener) {
document.removeEventListener('mousemove', this.mouseMoveListener);
this.mouseMoveListener = null;
}
if (this.mouseUpListener) {
document.removeEventListener('mouseup', this.mouseUpListener);
this.mouseUpListener = null;
}
}
unbindTouchListeners() {
if (this.touchMoveListener) {
document.removeEventListener('touchmove', this.touchMoveListener);
this.touchMoveListener = null;
}
if (this.touchEndListener) {
document.removeEventListener('touchend', this.touchEndListener);
this.touchEndListener = null;
}
}
clear() {
this.dragging = false;
this.size = null;
this.startPos = null;
this.prevPanelElement = null;
this.nextPanelElement = null;
this.prevPanelSize = null;
this.nextPanelSize = null;
this.gutterElement = null;
this.prevPanelIndex = null;
}
isNested() {
if (this.el.nativeElement) {
let parent = this.el.nativeElement.parentElement;
while (parent && !DomHandler.hasClass(parent, 'p-splitter')) {
parent = parent.parentElement;
}
return parent !== null;
}
else {
return false;
}
}
isStateful() {
return this.stateKey != null;
}
getStorage() {
switch (this.stateStorage) {
case 'local':
return window.localStorage;
case 'session':
return window.sessionStorage;
default:
throw new Error(this.stateStorage + ' is not a valid value for the state storage, supported values are "local" and "session".');
}
}
saveState() {
this.getStorage().setItem(this.stateKey, JSON.stringify(this._panelSizes));
}
restoreState() {
const storage = this.getStorage();
const stateString = storage.getItem(this.stateKey);
if (stateString) {
this._panelSizes = JSON.parse(stateString);
let children = [...this.containerViewChild.nativeElement.children].filter(child => DomHandler.hasClass(child, 'p-splitter-panel'));
children.forEach((child, i) => {
child.style.flexBasis = 'calc(' + this._panelSizes[i] + '% - ' + ((this.panels.length - 1) * this.gutterSize) + 'px)';
});
return true;
}
return false;
}
containerClass() {
return {
'p-splitter p-component': true,
'p-splitter-horizontal': this.layout === "horizontal",
'p-splitter-vertical': this.layout === "vertical"
};
}
panelContainerClass() {
return {
'p-splitter-panel': true,
'p-splitter-panel-nested': true
};
}
gutterStyle() {
if (this.horizontal())
return { width: this.gutterSize + 'px' };
else
return { height: this.gutterSize + 'px' };
}
horizontal() {
return this.layout === 'horizontal';
}
}
Splitter.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.0.4", ngImport: i0, type: Splitter, deps: [{ token: i0.ChangeDetectorRef }, { token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Component });
Splitter.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "12.0.4", type: Splitter, selector: "p-splitter", inputs: { styleClass: "styleClass", panelStyleClass: "panelStyleClass", style: "style", panelStyle: "panelStyle", stateStorage: "stateStorage", stateKey: "stateKey", layout: "layout", gutterSize: "gutterSize", panelSizes: "panelSizes", minSizes: "minSizes" }, outputs: { onResizeEnd: "onResizeEnd" }, host: { properties: { "class.p-splitter-panel-nested": "nested" } }, queries: [{ propertyName: "templates", predicate: PrimeTemplate }], viewQueries: [{ propertyName: "containerViewChild", first: true, predicate: ["container"], descendants: true }], ngImport: i0, template: `
<div #container [ngClass]="containerClass()" [class]="styleClass" [ngStyle]="style">
<ng-template ngFor let-panel let-i="index" [ngForOf]="panels">
<div [ngClass]="panelContainerClass()" [class]="panelStyleClass" [ngStyle]="panelStyle">
<ng-container *ngTemplateOutlet="panel"></ng-container>
</div>
<div class="p-splitter-gutter" *ngIf="i !== (panels.length - 1)" [ngStyle]="gutterStyle()"
(mousedown)="onGutterMouseDown($event, i)" (touchstart)="onGutterTouchStart($event, i)">
<div class="p-splitter-gutter-handle"></div>
</div>
</ng-template>
</div>
`, isInline: true, styles: [".p-splitter{display:flex;flex-wrap:nowrap}.p-splitter-vertical{flex-direction:column}.p-splitter-panel{flex-grow:1}.p-splitter-panel-nested{display:flex}.p-splitter-panel p-splitter{flex-grow:1}.p-splitter-panel .p-splitter{flex-grow:1;border:0}.p-splitter-gutter{flex-grow:0;flex-shrink:0;display:flex;align-items:center;justify-content:center;cursor:col-resize}.p-splitter-horizontal.p-splitter-resizing{cursor:col-resize;-webkit-user-select:none;-ms-user-select:none;user-select:none}.p-splitter-horizontal>.p-splitter-gutter>.p-splitter-gutter-handle{height:24px;width:100%}.p-splitter-horizontal>.p-splitter-gutter{cursor:col-resize}.p-splitter-vertical.p-splitter-resizing{cursor:row-resize;-webkit-user-select:none;-ms-user-select:none;user-select:none}.p-splitter-vertical>.p-splitter-gutter{cursor:row-resize}.p-splitter-vertical>.p-splitter-gutter>.p-splitter-gutter-handle{width:24px;height:100%}"], directives: [{ type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { type: i1.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { type: i1.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet"] }, { type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.0.4", ngImport: i0, type: Splitter, decorators: [{
type: Component,
args: [{
selector: 'p-splitter',
template: `
<div #container [ngClass]="containerClass()" [class]="styleClass" [ngStyle]="style">
<ng-template ngFor let-panel let-i="index" [ngForOf]="panels">
<div [ngClass]="panelContainerClass()" [class]="panelStyleClass" [ngStyle]="panelStyle">
<ng-container *ngTemplateOutlet="panel"></ng-container>
</div>
<div class="p-splitter-gutter" *ngIf="i !== (panels.length - 1)" [ngStyle]="gutterStyle()"
(mousedown)="onGutterMouseDown($event, i)" (touchstart)="onGutterTouchStart($event, i)">
<div class="p-splitter-gutter-handle"></div>
</div>
</ng-template>
</div>
`,
encapsulation: ViewEncapsulation.None,
changeDetection: ChangeDetectionStrategy.OnPush,
styleUrls: ['./splitter.css'],
host: {
'[class.p-splitter-panel-nested]': 'nested'
}
}]
}], ctorParameters: function () { return [{ type: i0.ChangeDetectorRef }, { type: i0.ElementRef }]; }, propDecorators: { styleClass: [{
type: Input
}], panelStyleClass: [{
type: Input
}], style: [{
type: Input
}], panelStyle: [{
type: Input
}], stateStorage: [{
type: Input
}], stateKey: [{
type: Input
}], layout: [{
type: Input
}], gutterSize: [{
type: Input
}], panelSizes: [{
type: Input
}], minSizes: [{
type: Input
}], onResizeEnd: [{
type: Output
}], templates: [{
type: ContentChildren,
args: [PrimeTemplate]
}], containerViewChild: [{
type: ViewChild,
args: ['container', { static: false }]
}] } });
class SplitterModule {
}
SplitterModule.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.0.4", ngImport: i0, type: SplitterModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
SplitterModule.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "12.0.4", ngImport: i0, type: SplitterModule, declarations: [Splitter], imports: [CommonModule], exports: [Splitter, SharedModule] });
SplitterModule.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "12.0.4", ngImport: i0, type: SplitterModule, imports: [[CommonModule], SharedModule] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.0.4", ngImport: i0, type: SplitterModule, decorators: [{
type: NgModule,
args: [{
imports: [CommonModule],
exports: [Splitter, SharedModule],
declarations: [Splitter]
}]
}] });
/**
* Generated bundle index. Do not edit.
*/
export { Splitter, SplitterModule };
//# sourceMappingURL=primeng-splitter.js.map