/*
 * Implementation of WhatIf.h
 */

what_if_t::what_if_t(roster_t* current_roster) {
    /*
     * Install pointer to roster process module.
     */
    this->current_roster = current_roster;
    
    /*
     * Construct a companion view and install pointer to it.
     */
    ui = new what_if_ui_t(this);
}

Interactor* what_if_t::compose(string_list* header_labels) {

    VBox* vb = new VBox();

    vb->Insert(VGlue(10));
    vb->Insert(compose_header(header_labels));
    vb->Insert(VGlue(5));
    vb->Insert(compose_editors(columns));
    vb->Insert(VGlue(5));
    vb->Insert(compose_buttons(model));
    vb->Insert(VGlue(10));

    return new HBox(
	new HGlue(10),
	vb,
	new HGlue(10));
}