386 lines
11 KiB
C++
386 lines
11 KiB
C++
#include "devicepropertypage.h"
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#include <QGuiApplication>
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#include <QTimer>
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#include <QMessageBox>
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#include <QTableView>
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#include <QVBoxLayout>
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#include <QPushButton>
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#include <QScrollBar>
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#include <QHeaderView>
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#include "globalparameters.h"
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#include "mytablemodel.h"
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#define PAGES_FORMAT_STRING ("Total %1 Pages, Current No.%2 Page")
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#define PER_PAGE_SIZE (30)
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DevicePropertyPage::DevicePropertyPage(QWidget *parent) :
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QWidget(parent),m_pTableView(nullptr),m_pButton(nullptr)
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{
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InitializeTable();
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m_pTimer = new QTimer(this);
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connect(m_pTimer, SIGNAL(timeout()), this, SLOT(handleTimeout()));
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//m_pTimer->start(AppData::getInstance()->nTimeOut);
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}
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DevicePropertyPage::~DevicePropertyPage()
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{
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}
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void DevicePropertyPage::handleTimeout()
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{
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if(m_pTimer->isActive())
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{
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m_pTimer->stop();
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Refresh();
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int nInterval = 5000;
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m_pTimer->start(nInterval*1000);
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}
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}
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void DevicePropertyPage::InitializeTableView(MyTableModel *model, QTableView *tableView)
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{
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//设置tableview的model
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model->setHeadData(AppData::getInstance()->lstDataTableHeaderText);
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tableView->setModel(model);
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QHeaderView* pHeaderView = tableView->horizontalHeader();
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//pHeaderView->setStyleSheet("QHeaderView::section {color: black;padding-left: 4px;border: 1px solid #6c6c6c;}");
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pHeaderView->setStyleSheet("QHeaderView::section{background:lightgray;}");
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// pHeaderView->setSectionResizeMode(QHeaderView::Stretch); //Stretch
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pHeaderView->setHidden(false); //false 显示行号列 true Hide
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//pHeaderView->setVisible(true);
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//pHeaderView->setFixedHeight(40);
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//点击表时不对表头行光亮（获取焦点）
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pHeaderView->setHighlightSections(false);
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// pHeaderView->setDefaultSectionSize(200);
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// //设置表头字体加粗
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// QFont font = pHeaderView->font();
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// font.setBold(true);
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// pHeaderView->setFont(font);
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//设置表头字体
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pHeaderView->setFont(QFont("Arial", 12));
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// 设置表头列宽自动调整
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for (int i = 0; i < model->columnCount(); ++i)
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{
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pHeaderView->setSectionResizeMode(i, QHeaderView::Interactive);
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}
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// 允许用户通过拖动表头边缘调整列宽
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//pHeaderView->setSectionResizeMode(QHeaderView::Interactive);
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tableView->verticalHeader()->setDefaultSectionSize(30); //行高
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tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
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tableView->setSelectionMode(QAbstractItemView::SingleSelection);
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tableView->setAlternatingRowColors(true);
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tableView->setTextElideMode(Qt::ElideMiddle);
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//所有单元格的字体 设置成一样
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tableView->setFont(QFont("Arial", 9));
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//设置表格数据区内的所有单元格都不允许编辑
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tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
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#if 1
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//设置列宽
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int base = 120; //w / (model->columnCount()-1);
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tableView->setColumnWidth(0,base-30);
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tableView->setColumnWidth(1,base*5);
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tableView->setColumnWidth(2,base);
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tableView->setColumnWidth(3,base-40);
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tableView->setColumnWidth(4,base+60);
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#endif
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tableView->show();
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}
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void DevicePropertyPage::InitializeTable()
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{
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m_myModel = new MyTableModel(this);
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m_myModel->setHeadData(AppData::getInstance()->lstDataTableHeaderText);
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m_pTableView = new QTableView(this);
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m_pButton = new QPushButton(tr("Refresh"), this);
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m_pFirstButton = new QPushButton(tr("First"), this);
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m_pForwardButton = new QPushButton(tr("Forward"), this);
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m_pNextButton = new QPushButton(tr("Next"), this);
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m_pLastButton = new QPushButton(tr("Last"), this);
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m_pGotoPageNumberLineEdit = new QLineEdit(tr("1"), this);
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m_pGotoPageNumberLineEdit->setFixedWidth(40);
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m_pValidator = new QIntValidator(this);
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m_pGotoPageNumberLineEdit->setValidator(m_pValidator);
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m_pValidator->setRange(0, 100);
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m_pGotoPageNumberLabel = new QLabel(tr("Page"), this);
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m_pGotoPageNumberButton = new QPushButton(tr("Goto"), this);
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m_pPagesLabel = new QLabel(tr("Total %d Pages, Current No.%d Page"), this);
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// 创建主布局
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QVBoxLayout *mainLayout = new QVBoxLayout(this);
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InitializeTableView(m_myModel,m_pTableView);
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mainLayout->addWidget(m_pTableView);
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// 创建一个水平布局来包含按钮
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QHBoxLayout *buttonLayout = new QHBoxLayout();
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buttonLayout->addStretch(); // 让按钮保持在右侧
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buttonLayout->addWidget(m_pPagesLabel);
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QSpacerItem *spacer0 = new QSpacerItem(10, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
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buttonLayout->addItem(spacer0);
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buttonLayout->addWidget(m_pFirstButton);
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buttonLayout->addWidget(m_pForwardButton);
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buttonLayout->addWidget(m_pNextButton);
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buttonLayout->addWidget(m_pLastButton);
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QSpacerItem *spacer = new QSpacerItem(10, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
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buttonLayout->addItem(spacer);
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buttonLayout->addWidget(m_pGotoPageNumberLabel);
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buttonLayout->addWidget(m_pGotoPageNumberLineEdit);
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buttonLayout->addWidget(m_pGotoPageNumberButton);
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buttonLayout->addWidget(m_pButton);
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buttonLayout->setContentsMargins(0, 0, 0, 0); // 取消按钮的边距
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// 将表格视图和按钮布局添加到主布局
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mainLayout->addLayout(buttonLayout);
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mainLayout->setContentsMargins(0, 0, 0, 0); // 取消主布局的边距
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mainLayout->setSpacing(10); // 取消布局间的间距
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// 设置固定大小和位置的按钮
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m_pButton->setFixedSize(100, 30); // 设置按钮的固定大小
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// 连接信号和槽
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connect(m_pTableView, &QTableView::doubleClicked, this, &DevicePropertyPage::onTableViewDoubleClicked);
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connect(m_pButton, &QPushButton::clicked, this, &DevicePropertyPage::onButtonClicked);
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connect(m_pFirstButton, &QPushButton::clicked, this, &DevicePropertyPage::onFirstButtonClicked);
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connect(m_pLastButton, &QPushButton::clicked, this, &DevicePropertyPage::onLastButtonClicked);
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connect(m_pForwardButton, &QPushButton::clicked, this, &DevicePropertyPage::onForwardButtonClicked);
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connect(m_pNextButton, &QPushButton::clicked, this, &DevicePropertyPage::onNextButtonClicked);
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connect(m_pGotoPageNumberButton, &QPushButton::clicked, this, &DevicePropertyPage::onGotoButtonClicked);
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setLayout(mainLayout);
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}
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void DevicePropertyPage::setBaseType(unsigned int base, unsigned int mask)
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{
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filterBaseType = base;
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mask_code = mask;
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}
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void DevicePropertyPage::onButtonClicked()
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{
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m_pTimer->stop();
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Refresh();
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}
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void DevicePropertyPage::Refresh()
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{
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QGuiApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
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m_TotalTableData.clear();
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if (Fetch(m_TotalTableData,106))
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{
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PageDataProcess();
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m_myModel->setModelData(m_currentPageData);
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}
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updatePageButtonState();
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updatePageLabel();
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QGuiApplication::restoreOverrideCursor();
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}
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int DevicePropertyPage::PageDataProcess()
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{
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//获取数据总数
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m_totalRows = m_TotalTableData.size();
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m_totalPageCount = 1;
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m_currentPage = 1;
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m_currentPageData.clear();
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if (m_totalRows <= PER_PAGE_SIZE)
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{
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m_currentPageData = m_TotalTableData;
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return 1;
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}
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m_totalPageCount = int(m_totalRows / PER_PAGE_SIZE) + 1;
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m_currentPageData = m_TotalTableData.mid(0, PER_PAGE_SIZE);
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return 1;
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}
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void DevicePropertyPage::updatePageLabel()
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{
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QString s = QString(PAGES_FORMAT_STRING).arg(m_totalPageCount).arg(m_currentPage);
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m_pPagesLabel->setText(s);
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}
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void DevicePropertyPage::updatePageButtonState()
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{
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if ( m_currentPage == m_totalPageCount) //翻到底了，超过最大的页数
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{
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m_pNextButton->setEnabled(false);
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m_pForwardButton->setEnabled(true);
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m_pLastButton->setEnabled(false);
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m_pFirstButton->setEnabled(true);
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}
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else if (m_currentPage == 1) //翻到头了
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{
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m_pNextButton->setEnabled(true);
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m_pForwardButton->setEnabled(false);
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m_pLastButton->setEnabled(true);
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m_pFirstButton->setEnabled(false);
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}
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else if (m_currentPage < m_totalPageCount) //页数在中间状态
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{
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m_pNextButton->setEnabled(true);
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m_pForwardButton->setEnabled(true);
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m_pLastButton->setEnabled(true);
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m_pFirstButton->setEnabled(true);
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}
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else
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{
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assert(false);
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}
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}
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void DevicePropertyPage::pageTo(int page)
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{
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m_currentPageData.clear();
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int numLeftElements = m_totalRows - (page - 1) * PER_PAGE_SIZE;
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int numElements = numLeftElements >= PER_PAGE_SIZE ? PER_PAGE_SIZE : numLeftElements;
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m_currentPageData = m_TotalTableData.mid((page-1) * PER_PAGE_SIZE, numElements);
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m_myModel->setModelData(m_currentPageData);
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}
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void DevicePropertyPage::onTableViewDoubleClicked(const QModelIndex &index)
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{
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//QAbstractItemModel *model=ui->tableView->model();
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MyTableModel *model = (MyTableModel *)m_pTableView->model();
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QModelIndex mindex = model->index(index.row(),7); //index.row()为算选择的行号。7为所选中行的第8列。。
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QVariant datatemp=model->data(mindex);
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}
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void DevicePropertyPage::onFirstButtonClicked()
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{
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m_currentPage = 1;
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updatePageButtonState();
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pageTo(m_currentPage);
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updatePageLabel();
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}
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void DevicePropertyPage::onLastButtonClicked()
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{
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m_currentPage = m_totalPageCount;
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updatePageButtonState();
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pageTo(m_currentPage);
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updatePageLabel();
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}
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void DevicePropertyPage::onForwardButtonClicked()
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{
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m_currentPage--;
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updatePageButtonState();
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m_currentPageData.clear();
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pageTo(m_currentPage);
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updatePageLabel();
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}
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void DevicePropertyPage::onNextButtonClicked()
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{
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m_currentPage++;
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updatePageButtonState();
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m_currentPageData.clear();
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pageTo(m_currentPage);
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updatePageLabel();
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}
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void DevicePropertyPage::onGotoButtonClicked()
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{
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int page = m_pGotoPageNumberLineEdit->text().toInt();
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if (page <=0 || page>m_totalPageCount)
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{
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QString s = QString(tr("Page number should be large than 0 and less than %1 !")).arg(m_totalPageCount);
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QMessageBox::critical(this, tr("Critical Message"),s);
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return ;
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}
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m_currentPage = page;
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updatePageButtonState();
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m_currentPageData.clear();
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pageTo(m_currentPage);
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updatePageLabel();
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}
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void DevicePropertyPage::resizeEvent(QResizeEvent *event)
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{
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QWidget::resizeEvent(event);
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#if 0
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// 获取当前QTableView的总宽度
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int currentTotalWidth = m_pTableView->viewport()->width();
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// 计算总的初始宽度
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int initialTotalWidth = 0;
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for (int width : columnWidths)
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{
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initialTotalWidth += width;
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}
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// 计算比例因子
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double scaleFactor = static_cast<double>(currentTotalWidth) / initialTotalWidth;
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// 重新设置列宽，按比例调整
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for (int i = 0; i < columnWidths.size(); ++i)
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{
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int newWidth = static_cast<int>(columnWidths[i] * scaleFactor);
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m_pTableView->setColumnWidth(i, newWidth);
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}
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#endif
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}
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