Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | 1x 1x 1x 1x 1x 1x 1x | import hub from "./hub";
import { DialogChangedEvent } from "./events";
import FindFiles from "./dialogs/findFiles";
import ErrorDialog from "./dialogs/errorDialog";
import Publish from "./dialogs/publish";
import Refresh from "./dialogs/Refresh";
export type Dialog =
| typeof FindFiles
| typeof ErrorDialog
| typeof Publish
| typeof Refresh;
export type DialogInstance = InstanceType<Dialog> & {
preventNavigation?: () => boolean;
};
class DialogSystem {
private instance: DialogInstance | null;
constructor() {
this.instance = null;
this.dismissDialog = this.dismissDialog.bind(this);
}
// invoked by the application once the dialog has been created.
notifyDialogInstance(dialog: DialogInstance | null) {
this.instance = dialog;
}
// given a dialog class this will instruct the application to bring up
// the dialog and display it.
showDialog(dialog: Dialog, options?: unknown, showIfOpen = true) {
if (!showIfOpen && this.instance !== null) {
return;
}
// if the current dialog prevents navigation, then we just silently
// will not show the dialog.
if (!this.preventNavigation()) {
hub.emit(new DialogChangedEvent(dialog, options || {}));
}
}
// tells the application to dismiss the current dialog.
dismissDialog() {
if (!this.preventNavigation()) {
hub.emit(new DialogChangedEvent(null));
}
}
// returns true if the current dialog prevents navigation.
private preventNavigation() {
return this.instance?.preventNavigation?.();
}
}
const dialogSystem = new DialogSystem();
export default dialogSystem;
|