import { IInputService } from './interfaces';
export class InputService implements IInputService {
private cursorPosition = 0;
private filterText = '';
private currentText = '';
// Text input management
getCursorPosition(): number {
return this.cursorPosition;
}
setCursorPosition(position: number): void {
this.cursorPosition = Math.max(0, Math.min(position, this.currentText.length));
}
insertText(text: string): void {
const before = this.currentText.slice(0, this.cursorPosition);
const after = this.currentText.slice(this.cursorPosition);
this.currentText = before + text + after;
this.cursorPosition += text.length;
}
deleteText(count: number, direction: 'left' | 'right'): void {
if (direction === 'left') {
const deleteStart = Math.max(0, this.cursorPosition - count);
const before = this.currentText.slice(0, deleteStart);
const after = this.currentText.slice(this.cursorPosition);
this.currentText = before + after;
this.cursorPosition = deleteStart;
} else {
const before = this.currentText.slice(0, this.cursorPosition);
const after = this.currentText.slice(this.cursorPosition + count);
this.currentText = before + after;
}
}
// Filter input
getFilterText(): string {
return this.filterText;
}
setFilterText(text: string): void {
this.filterText = text;
}
clearFilter(): void {
this.filterText = '';
}
// Helper methods
getCurrentText(): string {
return this.currentText;
}
setCurrentText(text: string): void {
this.currentText = text;
this.cursorPosition = Math.min(this.cursorPosition, text.length);
}
moveCursorLeft(): void {
this.setCursorPosition(this.cursorPosition - 1);
}
moveCursorRight(): void {
this.setCursorPosition(this.cursorPosition + 1);
}
moveCursorToStart(): void {
this.setCursorPosition(0);
}
moveCursorToEnd(): void {
this.setCursorPosition(this.currentText.length);
}
}
