@esri/calcite-components
Version:
Web Components for Esri's Calcite Design System.
166 lines (161 loc) • 10 kB
JavaScript
import { r as registerInstance, c as createEvent, h, H as Host, g as getElement } from './index-8fd57462.js';
import { g as getElementDir } from './dom-d9ba1da4.js';
const CSS = {
page: "page",
selected: "is-selected",
previous: "previous",
next: "next",
disabled: "is-disabled",
ellipsis: "ellipsis",
ellipsisStart: "ellipsis--start",
ellipsisEnd: "ellipsis--end"
};
const TEXT = {
nextLabel: "next",
previousLabel: "previous"
};
const calcitePaginationCss = "@-webkit-keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}@keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}:root{--calcite-popper-transition:150ms ease-in-out}:host([hidden]){display:none}:host-context([theme=dark]){--calcite-ui-blue-1:#00A0FF;--calcite-ui-blue-2:#0087D7;--calcite-ui-blue-3:#47BBFF;--calcite-ui-green-1:#36DA43;--calcite-ui-green-2:#11AD1D;--calcite-ui-green-3:#44ED51;--calcite-ui-yellow-1:#FFC900;--calcite-ui-yellow-2:#F4B000;--calcite-ui-yellow-3:#FFE24D;--calcite-ui-red-1:#FE583E;--calcite-ui-red-2:#F3381B;--calcite-ui-red-3:#FF7465;--calcite-ui-background:#202020;--calcite-ui-foreground-1:#2b2b2b;--calcite-ui-foreground-2:#353535;--calcite-ui-foreground-3:#404040;--calcite-ui-text-1:#ffffff;--calcite-ui-text-2:#bfbfbf;--calcite-ui-text-3:#9f9f9f;--calcite-ui-border-1:#4a4a4a;--calcite-ui-border-2:#404040;--calcite-ui-border-3:#353535;--calcite-ui-border-4:#757575;--calcite-ui-border-5:#9f9f9f}:host([scale=s]){--calcite-pagination-spacing:4px 8px}:host([scale=s]) .previous,:host([scale=s]) .next,:host([scale=s]) .page{font-size:12px}:host([scale=m]){--calcite-pagination-spacing:8px 12px}:host([scale=m]) .previous,:host([scale=m]) .next,:host([scale=m]) .page{font-size:16px}:host([scale=l]){--calcite-pagination-spacing:12px 16px}:host([scale=l]) .previous,:host([scale=l]) .next,:host([scale=l]) .page{font-size:20px}:host{display:-ms-inline-flexbox;display:inline-flex;-ms-writing-mode:lr-tb;-webkit-writing-mode:horizontal-tb;writing-mode:horizontal-tb}:host button{outline-offset:0;outline-color:transparent;-webkit-transition:outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out;transition:outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out}:host button:focus{outline:2px solid var(--calcite-ui-blue-1);outline-offset:-2px}.previous,.next,.page{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;background-color:transparent;border:none;border-top:3px solid transparent;border-bottom:3px solid transparent;font-family:inherit;font-size:1rem;line-height:1.5;color:var(--calcite-ui-text-3);cursor:pointer}.previous:hover,.next:hover,.page:hover{color:var(--calcite-ui-text-1);-webkit-transition:all 150ms ease-in-out;transition:all 150ms ease-in-out}.page:hover{border-bottom-color:var(--calcite-ui-border-2)}.page.is-selected{font-weight:500;color:var(--calcite-ui-text-1);border-bottom-color:var(--calcite-ui-blue-1)}.previous,.next{padding:var(--calcite-pagination-spacing)}.previous:hover,.next:hover{color:var(--calcite-ui-blue-1);background-color:var(--calcite-ui-foreground-2)}.previous:active,.next:active{background-color:var(--calcite-ui-foreground-3)}.previous.is-disabled,.next.is-disabled{background-color:transparent;pointer-events:none}.previous.is-disabled>calcite-icon,.next.is-disabled>calcite-icon{opacity:var(--calcite-ui-opacity-disabled)}.next{margin-right:0}.page,.ellipsis{padding:var(--calcite-pagination-spacing)}.ellipsis{display:-ms-flexbox;display:flex;-ms-flex-align:end;align-items:flex-end;color:var(--calcite-ui-text-3)}";
const maxPagesDisplayed = 5;
const CalcitePagination = class {
constructor(hostRef) {
registerInstance(this, hostRef);
this.calcitePaginationUpdate = createEvent(this, "calcitePaginationUpdate", 7);
//--------------------------------------------------------------------------
//
// Public Properties
//
//--------------------------------------------------------------------------
/** number of items per page */
this.num = 20;
/** index of item that should begin the page */
this.start = 1;
/** total number of items */
this.total = 0;
/** title of the next button */
this.textLabelNext = TEXT.nextLabel;
/** title of the previous button */
this.textLabelPrevious = TEXT.previousLabel;
/** The scale of the pagination */
this.scale = "m";
this.previousClicked = () => {
this.previousPage().then();
this.emitUpdate();
};
this.nextClicked = () => {
this.nextPage();
this.emitUpdate();
};
}
// --------------------------------------------------------------------------
//
// Public Methods
//
// --------------------------------------------------------------------------
/** Go to the next page of results */
async nextPage() {
this.start = Math.min(this.getLastStart(), this.start + this.num);
}
/** Go to the previous page of results */
async previousPage() {
this.start = Math.max(1, this.start - this.num);
}
// --------------------------------------------------------------------------
//
// Private Methods
//
// --------------------------------------------------------------------------
getLastStart() {
const { total, num } = this;
const lastStart = total % num === 0 ? total - num : Math.floor(total / num) * num;
return lastStart + 1;
}
showLeftEllipsis() {
return Math.floor(this.start / this.num) > 3;
}
showRightEllipsis() {
return (this.total - this.start) / this.num > 3;
}
emitUpdate() {
this.calcitePaginationUpdate.emit({
start: this.start,
total: this.total,
num: this.num
});
}
//--------------------------------------------------------------------------
//
// Render Methods
//
//--------------------------------------------------------------------------
renderPages() {
const lastStart = this.getLastStart();
let end;
let nextStart;
// if we don't need ellipses render the whole set
if (this.total / this.num <= maxPagesDisplayed) {
nextStart = 1 + this.num;
end = lastStart - this.num;
}
else {
// if we're within max pages of page 1
if (this.start / this.num < maxPagesDisplayed - 1) {
nextStart = 1 + this.num;
end = 1 + 4 * this.num;
}
else {
// if we're within max pages of last page
if (this.start + 3 * this.num >= this.total) {
nextStart = lastStart - 4 * this.num;
end = lastStart - this.num;
}
else {
nextStart = this.start - this.num;
end = this.start + this.num;
}
}
}
const pages = [];
while (nextStart <= end) {
pages.push(nextStart);
nextStart = nextStart + this.num;
}
return pages.map((page) => this.renderPage(page));
}
renderPage(start) {
const page = Math.floor(start / this.num) + (this.num === 1 ? 0 : 1);
return (h("button", { class: {
[CSS.page]: true,
[CSS.selected]: start === this.start
}, onClick: () => {
this.start = start;
this.emitUpdate();
} }, page));
}
renderLeftEllipsis(iconScale) {
if (this.total / this.num > maxPagesDisplayed && this.showLeftEllipsis()) {
return (h("span", { class: `${CSS.ellipsis} ${CSS.ellipsisStart}` }, h("calcite-icon", { icon: "ellipsis", scale: iconScale })));
}
}
renderRightEllipsis(iconScale) {
if (this.total / this.num > maxPagesDisplayed && this.showRightEllipsis()) {
return (h("span", { class: `${CSS.ellipsis} ${CSS.ellipsisEnd}` }, h("calcite-icon", { icon: "ellipsis", scale: iconScale })));
}
}
render() {
const dir = getElementDir(this.el);
const { total, num, start } = this;
const iconScale = this.scale === "l" ? "m" : "s";
const prevDisabled = num === 1 ? start <= num : start < num;
const nextDisabled = num === 1 ? start + num > total : start + num > total;
return (h(Host, { dir: dir }, h("button", { "aria-label": this.textLabelPrevious, class: {
[CSS.previous]: true,
[CSS.disabled]: prevDisabled
}, disabled: prevDisabled, onClick: this.previousClicked }, h("calcite-icon", { dir: dir, flipRtl: true, icon: "chevronLeft", scale: iconScale })), total > num ? this.renderPage(1) : null, this.renderLeftEllipsis(iconScale), this.renderPages(), this.renderRightEllipsis(iconScale), this.renderPage(this.getLastStart()), h("button", { "aria-label": this.textLabelNext, class: {
[CSS.next]: true,
[CSS.disabled]: nextDisabled
}, disabled: nextDisabled, onClick: this.nextClicked }, h("calcite-icon", { dir: dir, flipRtl: true, icon: "chevronRight", scale: iconScale }))));
}
get el() { return getElement(this); }
};
CalcitePagination.style = calcitePaginationCss;
export { CalcitePagination as calcite_pagination };