export class VerticalStack {

    isLayoutPanel: any;
    childPanels: any;
    eGui: any;

    constructor() {
        this.isLayoutPanel = true;
        this.childPanels = [];
        this.eGui = document.createElement('div');
        this.eGui.style.height = '100%';
    }

    addPanel(panel: any, height: any) {
        let component: any;
        if (panel.isLayoutPanel) {
            this.childPanels.push(panel);
            component = panel.getGui();
        } else {
            component = panel;
        }

        if (height) {
            component.style.height = height;
        }
        this.eGui.appendChild(component);
    }

    getGui() {
        return this.eGui;
    }

    doLayout() {
        for (let i = 0; i < this.childPanels.length; i++) {
            this.childPanels[i].doLayout();
        }
    }
}