QtNovelUI/WordsIDE/present_container.cpp

#include "present_container.h"
#include "DocsManager.h"
#include "welcomepanel.h"

#include <QApplication>
#include <QComboBox>
#include <QGridLayout>
#include <QMenu>
#include <QPushButton>

using namespace Components;
using namespace Core;
using namespace Presents;

PresentContainer::PresentContainer(QWidget *ptr)
    : QWidget(ptr),
      title_store(new QComboBox(this)),
      stack_container(new QStackedWidget(this)),
      welcome_list(new WelcomePanel(this)),
      close_btn(new QPushButton("X", this)) {
    auto layout = new QGridLayout(this);
    layout->setSpacing(0);
    layout->setMargin(0);

    layout->addWidget(title_store, 0, 0, 1, 3);
    layout->addWidget(close_btn, 0, 3);
    close_btn->setMaximumSize(QSize(30, 30));
    close_btn->setEnabled(false);

    items_store << welcome_list;
    stack_container->addWidget(welcome_list->widget());
    layout->addWidget(stack_container, 1, 0, 1, 4);
    title_store->addItem(welcome_list->name());

    layout->setRowStretch(0, 0);
    layout->setRowStretch(1, 1);
    layout->setColumnStretch(0, 1);
    layout->setColumnStretch(1, 1);
    layout->setColumnStretch(2, 1);
    layout->setColumnStretch(3, 0);

    connect(title_store, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &PresentContainer::change_view);
    connect(close_btn, &QPushButton::toggled, this, &PresentContainer::close_current_view);
    
    connect(stack_container,  &QStackedWidget::currentChanged, [this](int idx){
        if(idx >= 0){
            auto inst = items_store.at(idx);
            for(auto &l : listeners_store)
                l->currentChanged(inst);
        }
    });
}

QWidget *PresentContainer::hostWidget() const { return (QWidget *)this; }

#include <libConfig.h>
using namespace Config;

void PresentContainer::append(FilePresent *ins) {
    if (!items_store.contains(ins)) {
        items_store.append(ins);
        title_store->addItem(ins->name());
        ins->widget()->setParent(nullptr);
        stack_container->addWidget(ins->widget());

        active(ins);
    } else
        throw new SimpleException<bool>("非法操作", "重复添加视图：" + ins->name());
}

#include <QDebug>
bool PresentContainer::active(const FilePresent *ins) {
    if (!items_store.contains(ins))
        return false;

    auto index = items_store.indexOf(ins);
    title_store->setCurrentIndex(index);
    title_store->setItemText(index, ins->name());
    stack_container->setCurrentIndex(index);
    return true;
}

void PresentContainer::remove(const FilePresent *ins) {
    if (!items_store.contains(ins))
        return;

    auto index = items_store.indexOf(ins);
    items_store.removeAt(index);
    title_store->removeItem(index);
    stack_container->removeWidget(ins->widget());
}

bool PresentContainer::contains(const FilePresent *ins) const {
    for (auto &insit : items_store) {
        if (insit == ins)
            return true;
    }
    return false;
}

bool PresentContainer::avaliable(FilePresent *vins) {
    auto global_test = QApplication::activeWindow();
    if (!global_test)
        return true;
    return this->isActiveWindow();
}

void PresentContainer::change_view(int view_index) {
    auto view_inst = items_store[view_index];
    active(view_inst);

    close_btn->setEnabled(view_index);
}

#include <QMessageBox>
void PresentContainer::close_current_view() {
    auto index = title_store->currentIndex();
    const_cast<FilePresent *>(items_store[index])->beforeClose();
}