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revert ssr dialog interface

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This commit is contained in:
Arthur Lu
2025-06-18 21:21:00 +00:00
parent 308d133e6e
commit e41c8d2a07
5 changed files with 176 additions and 255 deletions
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82
web/scripts/dialog.js
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@@ -1,84 +1,40 @@
/**
* Custom modal dialog with form support. Assumes the following structure:
* <modal-dialog><template shadowrootmode="open">
* Spawn modal dialog from template node. Assumes the following structure:
* <template>
* <dialog>
* <p id="prompt"></p>
* <div id="body">
* <form id="form"> ... </form>
* </div>
* <div id="controls">
* <button value="..." form=""
* <button value="..." form="form"
* <button value="..." form="form"
* ...
* </div>
* </modal-dialog></template>
* </dialog>
* </template>
* Where prompt is the modal dialog's prompt or header,
* body contains an optional form or other information,
* and controls contains a series of buttons which controls the form
*/
class ModalDialog extends HTMLElement {
shadowRoot = null;
dialog = null;
constructor () {
super();
// setup shadowDOM
const internals = this.attachInternals();
this.shadowRoot = internals.shadowRoot;
this.dialog = this.shadowRoot.querySelector("dialog");
}
showModal () {
this.dialog.showModal();
}
querySelector (query) {
return this.shadowRoot.querySelector(query);
}
querySelectorAll (query) {
return this.shadowRoot.querySelectorAll(query);
}
// it is usually not safe to call this on each dialog invocation
setOnClose (callback = (result, form) => {}) {
this.dialog.addEventListener("close", () => {
const formElem = this.dialog.querySelector("form");
const formData = formElem ? new FormData(formElem) : null;
callback(this.dialog.returnValue, formData);
formElem.reset();
this.dialog.close();
});
}
}
customElements.define("modal-dialog", ModalDialog);
export function dialog (header, body, onclose = async (result, form) => { }) {
const dialog = document.createElement("dialog");
dialog.innerHTML = `
<p class="w3-large" id="prompt" style="text-align: center;"></p>
<div id="body"></div>
<div class="w3-center w3-container">
<button id="cancel" value="cancel" form="form" class="w3-button w3-margin" style="background-color: var(--negative-color, #f00); color: var(--lightbg-text-color, black);" formnovalidate>CANCEL</button>
<button id="confirm" value="confirm" form="form" class="w3-button w3-margin" style="background-color: var(--positive-color, #0f0); color: var(--lightbg-text-color, black);">CONFIRM</button>
</div>
`;
dialog.className = "w3-container w3-card w3-border-0";
dialog.querySelector("#prompt").innerText = header;
dialog.querySelector("#body").innerHTML = body;
export function dialog (template, onclose = async (result, form) => { }) {
const dialog = template.content.querySelector("dialog").cloneNode(true);
document.body.append(dialog);
dialog.addEventListener("close", async () => {
const formElem = dialog.querySelector("form");
const formData = formElem ? new FormData(formElem) : null;
await onclose(dialog.returnValue, formData);
formElem.reset();
dialog.close();
dialog.parentElement.removeChild(dialog);
});
if (!dialog.querySelector("form")) {
dialog.querySelector("#confirm").addEventListener("click", async (e) => {
e.preventDefault();
dialog.close(e.target.value);
});
dialog.querySelector("#cancel").addEventListener("click", async (e) => {
e.preventDefault();
dialog.close(e.target.value);
});
for (const control of dialog.querySelector("#controls").childNodes) {
control.addEventListener("click", async (e) => {
e.preventDefault();
dialog.close(e.target.value);
});
}
}
document.body.append(dialog);
dialog.showModal();