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@@ -0,0 +1,463 @@
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+#include "onlineuserswidget.h"
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+#include <QApplication>
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+#include <QDateTime>
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+#include <QDebug>
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+#include <QJsonDocument>
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+
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+OnlineUsersWidget::OnlineUsersWidget(QWidget *parent)
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+ : QWidget(parent)
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+ , m_mainLayout(nullptr)
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+ , m_headerLayout(nullptr)
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+ , m_titleLabel(nullptr)
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+ , m_countLabel(nullptr)
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+ , m_refreshButton(nullptr)
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+ , m_searchEdit(nullptr)
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+ , m_usersTable(nullptr)
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+ , m_contextMenu(nullptr)
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+ , m_privateMessageAction(nullptr)
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+ , m_viewProfileAction(nullptr)
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+ , m_kickUserAction(nullptr)
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+{
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+ setupUI();
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+ setupTable();
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+ setupContextMenu();
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+ applyStyles();
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+
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+ // 添加一些示例数据
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+ addUser(OnlineUser("1", "管理员", "在线"));
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+ addUser(OnlineUser("2", "用户A", "在线"));
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+ addUser(OnlineUser("3", "用户B", "离开"));
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+ addUser(OnlineUser("4", "用户C", "忙碌"));
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+}
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+
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+OnlineUsersWidget::~OnlineUsersWidget()
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+{
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+}
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+
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+void OnlineUsersWidget::setupUI()
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+{
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+ m_mainLayout = new QVBoxLayout(this);
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+ m_mainLayout->setContentsMargins(8, 8, 8, 8);
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+ m_mainLayout->setSpacing(6);
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+
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+ // 头部布局
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+ m_headerLayout = new QHBoxLayout();
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+
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+ m_titleLabel = new QLabel("在线用户", this);
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+ m_titleLabel->setObjectName("titleLabel");
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+
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+ m_countLabel = new QLabel("(0)", this);
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+ m_countLabel->setObjectName("countLabel");
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+
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+ m_refreshButton = new QPushButton("刷新", this);
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+ m_refreshButton->setObjectName("refreshButton");
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+ m_refreshButton->setMaximumWidth(60);
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+
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+ m_headerLayout->addWidget(m_titleLabel);
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+ m_headerLayout->addWidget(m_countLabel);
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+ m_headerLayout->addStretch();
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+ m_headerLayout->addWidget(m_refreshButton);
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+
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+ // 搜索框
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+ m_searchEdit = new QLineEdit(this);
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+ m_searchEdit->setPlaceholderText("搜索用户...");
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+ m_searchEdit->setObjectName("searchEdit");
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+
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+ // 用户表格
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+ m_usersTable = new QTableWidget(this);
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+ m_usersTable->setObjectName("usersTable");
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+
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+ // 添加到主布局
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+ m_mainLayout->addLayout(m_headerLayout);
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+ m_mainLayout->addWidget(m_searchEdit);
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+ m_mainLayout->addWidget(m_usersTable);
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+
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+ // 连接信号
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+ connect(m_refreshButton, &QPushButton::clicked, this, &OnlineUsersWidget::onRefreshClicked);
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+ connect(m_searchEdit, &QLineEdit::textChanged, this, &OnlineUsersWidget::onSearchTextChanged);
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+}
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+
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+void OnlineUsersWidget::setupTable()
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+{
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+ // 设置表格列
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+ m_usersTable->setColumnCount(3);
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+ QStringList headers;
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+ headers << "状态" << "用户名" << "最后活动";
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+ m_usersTable->setHorizontalHeaderLabels(headers);
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+
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+ // 设置表格属性
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+ m_usersTable->setSelectionBehavior(QAbstractItemView::SelectRows);
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+ m_usersTable->setSelectionMode(QAbstractItemView::SingleSelection);
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+ m_usersTable->setAlternatingRowColors(true);
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+ m_usersTable->setShowGrid(false);
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+ m_usersTable->verticalHeader()->setVisible(false);
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+
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+ // 设置列宽
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+ QHeaderView *header = m_usersTable->horizontalHeader();
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+ header->setStretchLastSection(true);
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+ header->resizeSection(0, 60); // 状态列
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+ header->resizeSection(1, 120); // 用户名列
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+
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+ // 连接信号
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+ connect(m_usersTable, &QTableWidget::itemDoubleClicked,
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+ [this](QTableWidgetItem *item) {
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+ if (item) {
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+ onTableDoubleClicked(item->row(), item->column());
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+ }
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+ });
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+
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+ m_usersTable->setContextMenuPolicy(Qt::CustomContextMenu);
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+ connect(m_usersTable, &QTableWidget::customContextMenuRequested,
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+ this, &OnlineUsersWidget::onTableContextMenu);
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+}
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+
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+void OnlineUsersWidget::setupContextMenu()
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+{
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+ m_contextMenu = new QMenu(this);
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+
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+ m_privateMessageAction = new QAction("发送私信", this);
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+ m_viewProfileAction = new QAction("查看资料", this);
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+ m_kickUserAction = new QAction("踢出用户", this);
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+
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+ m_contextMenu->addAction(m_privateMessageAction);
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+ m_contextMenu->addAction(m_viewProfileAction);
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+ m_contextMenu->addSeparator();
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+ m_contextMenu->addAction(m_kickUserAction);
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+
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+ // 连接信号
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+ connect(m_privateMessageAction, &QAction::triggered, [this]() {
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+ if (!m_selectedUserId.isEmpty()) {
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+ emit privateMessageRequested(m_selectedUserId, m_selectedUsername);
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+ }
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+ });
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+
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+ connect(m_viewProfileAction, &QAction::triggered, [this]() {
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+ if (!m_selectedUserId.isEmpty()) {
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+ emit userProfileRequested(m_selectedUserId, m_selectedUsername);
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+ }
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+ });
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+
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+ connect(m_kickUserAction, &QAction::triggered, [this]() {
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+ // TODO: 实现踢出用户功能
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+ qDebug() << "踢出用户:" << m_selectedUsername;
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+ });
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+}
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+
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+void OnlineUsersWidget::applyStyles()
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+{
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+ setStyleSheet(
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+ "#titleLabel {"
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+ " font-size: 14px;"
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+ " font-weight: bold;"
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+ " color: #2c3e50;"
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+ "}"
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+
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+ "#countLabel {"
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+ " font-size: 12px;"
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+ " color: #7f8c8d;"
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+ " margin-left: 5px;"
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+ "}"
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+
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+ "#refreshButton {"
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+ " padding: 4px 8px;"
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+ " border: 1px solid #bdc3c7;"
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+ " border-radius: 3px;"
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+ " background-color: #ecf0f1;"
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+ "}"
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+
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+ "#refreshButton:hover {"
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+ " background-color: #d5dbdb;"
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+ "}"
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+
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+ "#refreshButton:pressed {"
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+ " background-color: #bdc3c7;"
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+ "}"
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+
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+ "#searchEdit {"
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+ " padding: 6px;"
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+ " border: 1px solid #bdc3c7;"
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+ " border-radius: 3px;"
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+ " font-size: 12px;"
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+ "}"
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+
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+ "#usersTable {"
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+ " border: 1px solid #bdc3c7;"
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+ " border-radius: 3px;"
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+ " background-color: white;"
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+ " gridline-color: #ecf0f1;"
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+ "}"
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+
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+ "#usersTable::item {"
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+ " padding: 8px;"
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+ " border-bottom: 1px solid #ecf0f1;"
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+ "}"
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+
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+ "#usersTable::item:selected {"
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+ " background-color: #3498db;"
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+ " color: white;"
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+ "}"
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+
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+ "#usersTable::item:hover {"
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+ " background-color: #ecf0f1;"
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+ "}"
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+ );
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+}
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+
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+void OnlineUsersWidget::addUser(const OnlineUser &user)
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+{
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+ // 检查用户是否已存在
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+ int existingRow = findUserRow(user.userId);
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+ if (existingRow >= 0) {
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+ // 更新现有用户
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+ m_users[existingRow] = user;
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+ updateTableRow(existingRow, user);
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+ return;
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+ }
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+
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+ // 添加新用户
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+ m_users.append(user);
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+
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+ // 如果当前有过滤条件，检查是否匹配
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+ if (!m_currentFilter.isEmpty()) {
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+ if (!user.username.contains(m_currentFilter, Qt::CaseInsensitive)) {
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+ updateUserCountLabel();
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+ return;
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+ }
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+ }
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+
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+ // 添加到表格
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+ int row = m_usersTable->rowCount();
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+ m_usersTable->insertRow(row);
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+ updateTableRow(row, user);
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+
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+ updateUserCountLabel();
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+}
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+
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+void OnlineUsersWidget::removeUser(const QString &userId)
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+{
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+ int row = findUserRow(userId);
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+ if (row >= 0) {
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+ m_users.removeAt(row);
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+ m_usersTable->removeRow(row);
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+ updateUserCountLabel();
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+ }
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+}
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+
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+void OnlineUsersWidget::updateUserStatus(const QString &userId, const QString &status)
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+{
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+ int userIndex = -1;
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+ for (int i = 0; i < m_users.size(); ++i) {
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+ if (m_users[i].userId == userId) {
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+ userIndex = i;
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+ break;
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+ }
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+ }
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+
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+ if (userIndex >= 0) {
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+ m_users[userIndex].status = status;
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+ m_users[userIndex].lastSeen = QDateTime::currentDateTime();
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+
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+ // 更新表格中对应的行
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+ int row = findUserRow(userId);
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+ if (row >= 0) {
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+ updateTableRow(row, m_users[userIndex]);
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+ }
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+ }
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+}
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+
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+void OnlineUsersWidget::updateUserList(const QJsonArray &users)
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+{
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+ clearUsers();
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+
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+ for (const auto &value : users) {
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+ if (value.isObject()) {
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+ QJsonObject userObj = value.toObject();
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+ OnlineUser user;
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+ user.userId = userObj["id"].toString();
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+ user.username = userObj["username"].toString();
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+ user.status = userObj["status"].toString("在线");
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+ user.isAdmin = userObj["isAdmin"].toBool(false);
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+
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+ if (userObj.contains("lastSeen")) {
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+ user.lastSeen = QDateTime::fromString(userObj["lastSeen"].toString(), Qt::ISODate);
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+ } else {
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+ user.lastSeen = QDateTime::currentDateTime();
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+ }
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+
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+ addUser(user);
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+ }
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+ }
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+}
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+
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+void OnlineUsersWidget::clearUsers()
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+{
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+ m_users.clear();
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+ m_usersTable->setRowCount(0);
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+ updateUserCountLabel();
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+}
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+
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+QList<OnlineUser> OnlineUsersWidget::getAllUsers() const
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+{
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+ return m_users;
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+}
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+
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+OnlineUser OnlineUsersWidget::getUser(const QString &userId) const
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+{
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+ for (const auto &user : m_users) {
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+ if (user.userId == userId) {
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+ return user;
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+ }
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+ }
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+ return OnlineUser();
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+}
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+
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+int OnlineUsersWidget::getUserCount() const
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+{
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+ return m_users.size();
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+}
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+
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+void OnlineUsersWidget::setSearchVisible(bool visible)
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+{
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+ m_searchEdit->setVisible(visible);
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+}
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+
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+void OnlineUsersWidget::filterUsers(const QString &keyword)
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+{
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+ m_currentFilter = keyword;
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+
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+ // 清空表格
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+ m_usersTable->setRowCount(0);
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+
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+ // 重新添加匹配的用户
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+ for (const auto &user : m_users) {
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+ if (keyword.isEmpty() || user.username.contains(keyword, Qt::CaseInsensitive)) {
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+ int row = m_usersTable->rowCount();
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+ m_usersTable->insertRow(row);
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+ updateTableRow(row, user);
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+ }
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+ }
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+
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+ updateUserCountLabel();
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+}
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+
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+void OnlineUsersWidget::onTableDoubleClicked(int row, int column)
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+{
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+ Q_UNUSED(column);
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+
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+ if (row >= 0 && row < m_usersTable->rowCount()) {
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+ QTableWidgetItem *userItem = m_usersTable->item(row, 1); // 用户名列
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+ if (userItem) {
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+ QString username = userItem->text();
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+ // 从用户列表中找到对应的userId
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+ for (const auto &user : m_users) {
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+ if (user.username == username) {
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+ emit userDoubleClicked(user.userId, username);
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+ break;
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+ }
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+ }
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+ }
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+ }
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+}
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+
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+void OnlineUsersWidget::onTableContextMenu(const QPoint &position)
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+{
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+ QTableWidgetItem *item = m_usersTable->itemAt(position);
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+ if (!item) return;
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+
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+ int row = item->row();
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+ QTableWidgetItem *userItem = m_usersTable->item(row, 1);
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+ if (!userItem) return;
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+
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+ QString username = userItem->text();
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+ // 从用户列表中找到对应的userId
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+ for (const auto &user : m_users) {
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+ if (user.username == username) {
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+ m_selectedUserId = user.userId;
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+ m_selectedUsername = username;
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+
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+ // 根据用户权限显示/隐藏菜单项
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+ m_kickUserAction->setVisible(user.isAdmin); // 示例：只有管理员能踢人
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+
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+ QPoint globalPos = m_usersTable->mapToGlobal(position);
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+ emit userRightClicked(user.userId, username, globalPos);
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+ m_contextMenu->exec(globalPos);
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+ break;
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+ }
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+ }
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+}
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+
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+void OnlineUsersWidget::onSearchTextChanged(const QString &text)
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+{
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+ filterUsers(text);
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+}
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+
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+void OnlineUsersWidget::onRefreshClicked()
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+{
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+ // TODO: 发送刷新用户列表的请求
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+ qDebug() << "刷新用户列表";
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+}
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+
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+void OnlineUsersWidget::updateUserCountLabel()
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+{
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+ int totalUsers = m_users.size();
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+ int displayedUsers = m_usersTable->rowCount();
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+
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+ if (m_currentFilter.isEmpty()) {
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+ m_countLabel->setText(QString("(%1)").arg(totalUsers));
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+ } else {
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+ m_countLabel->setText(QString("(%1/%2)").arg(displayedUsers).arg(totalUsers));
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+ }
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+}
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+
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+void OnlineUsersWidget::updateTableRow(int row, const OnlineUser &user)
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+{
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+ // 状态列
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+ QTableWidgetItem *statusItem = new QTableWidgetItem(getStatusIcon(user.status) + " " + user.status);
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+ statusItem->setFlags(statusItem->flags() & ~Qt::ItemIsEditable);
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+ m_usersTable->setItem(row, 0, statusItem);
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+
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+ // 用户名列
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+ QTableWidgetItem *nameItem = new QTableWidgetItem(user.username);
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+ nameItem->setFlags(nameItem->flags() & ~Qt::ItemIsEditable);
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+ if (user.isAdmin) {
|
|
|
+ nameItem->setText(user.username + " (管理员)");
|
|
|
+ nameItem->setForeground(QColor("#e74c3c"));
|
|
|
+ }
|
|
|
+ m_usersTable->setItem(row, 1, nameItem);
|
|
|
+
|
|
|
+ // 最后活动时间列
|
|
|
+ QString timeText = user.lastSeen.toString("hh:mm");
|
|
|
+ QTableWidgetItem *timeItem = new QTableWidgetItem(timeText);
|
|
|
+ timeItem->setFlags(timeItem->flags() & ~Qt::ItemIsEditable);
|
|
|
+ m_usersTable->setItem(row, 2, timeItem);
|
|
|
+}
|
|
|
+
|
|
|
+int OnlineUsersWidget::findUserRow(const QString &userId) const
|
|
|
+{
|
|
|
+ for (int i = 0; i < m_users.size(); ++i) {
|
|
|
+ if (m_users[i].userId == userId) {
|
|
|
+ // 在表格中查找对应行
|
|
|
+ for (int row = 0; row < m_usersTable->rowCount(); ++row) {
|
|
|
+ QTableWidgetItem *nameItem = m_usersTable->item(row, 1);
|
|
|
+ if (nameItem && nameItem->text().contains(m_users[i].username)) {
|
|
|
+ return row;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return -1;
|
|
|
+}
|
|
|
+
|
|
|
+QString OnlineUsersWidget::getStatusIcon(const QString &status) const
|
|
|
+{
|
|
|
+ if (status == "在线") {
|
|
|
+ return "🟢";
|
|
|
+ } else if (status == "离开") {
|
|
|
+ return "🟡";
|
|
|
+ } else if (status == "忙碌") {
|
|
|
+ return "🔴";
|
|
|
+ } else {
|
|
|
+ return "⚪";
|
|
|
+ }
|
|
|
+}
|
