Class PanelPlugin

Example

    // PanelPlugin lifecycle:
    //   1. createWidget(parent) — framework calls this to build the UI
    //   2. User interacts with the panel
    //   3. deinit() — framework calls this on shutdown
    const root = new Widget(parent);
    const layout = new BoxLayout();
    layout.setDirection(Direction.TopToBottom);
    layout.spacing = 8;
    root.layout = layout;

    const title = new Label(root);
    title.text = 'PanelPlugin Lifecycle';
    title.fontRole = FontRole.TitleBold;
    layout.addWidget(title);

    const status = new Label(root);
    status.text = 'createWidget() was called by the framework.';
    layout.addWidget(status);

    const toggle = new CheckBox(root);
    toggle.text = 'Enable feature';
    toggle.checked = false;
    layout.addWidget(toggle);

    this.connections.push(
      toggle.onToggle.connect((on: boolean) => {
        status.text = `Feature: ${on ? 'enabled' : 'disabled'}`;
      })
    );

    const btn = new PushButton(root);
    btn.text = 'Access pluginSystem';
    layout.addWidget(btn);

    this.connections.push(
      btn.onClick.connect(() => {
        const descriptors = this.pluginSystem.descriptors;
        status.text = `pluginSystem has ${descriptors.length} registered plugins.`;
      })
    );
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