From 3573c4d86ab96c933267174fec1ee2923d52f262 Mon Sep 17 00:00:00 2001
From: zhangjiaping <zhangjiaping@kylinos.cn>
Date: Thu, 27 May 2021 10:25:15 +0800
Subject: [PATCH] feat(frontend): Complete some functions of new frontend.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Description: 完善重构版前端部分原有功能，如字体适配、展开收起、历史记录等

Log: 完善重构版前端部分原有功能，如字体适配、展开收起、历史记录等
---
 .../stack-pages/search-page-section.cpp       | 15 ++-
 .../control/stack-pages/search-page-section.h |  4 +
 frontend/control/stack-pages/search-page.cpp  |  1 +
 frontend/control/stack-pages/search-page.h    |  1 +
 frontend/control/stacked-widget.cpp           |  1 +
 frontend/control/stacked-widget.h             |  1 +
 frontend/mainwindow.cpp                       |  1 +
 frontend/model/search-result-manager.cpp      | 18 ++++
 frontend/model/search-result-model.cpp        | 38 +++++++-
 frontend/model/search-result-model.h          |  8 ++
 frontend/view/result-view.cpp                 | 97 +++++++++++++++++--
 frontend/view/result-view.h                   | 17 +++-
 12 files changed, 191 insertions(+), 11 deletions(-)

diff --git a/frontend/control/stack-pages/search-page-section.cpp b/frontend/control/stack-pages/search-page-section.cpp
index 29e34c2..aece8cb 100644
--- a/frontend/control/stack-pages/search-page-section.cpp
+++ b/frontend/control/stack-pages/search-page-section.cpp
@@ -48,7 +48,9 @@ void ResultArea::appendWidet(ResultWidget *widget)
     //NEW_TODO
     m_mainLyt->addWidget(widget);
     setupConnectionsForWidget(widget);
-    m_widget->setFixedHeight(m_widget->height() + widget->height());
+    m_widget_list.append(widget);
+    int spacing_height = m_widget_list.length() > 1 ? m_mainLyt->spacing() : 0;
+    m_widget->setFixedHeight(m_widget->height() + widget->height() + spacing_height);
 }
 
 /**
@@ -66,6 +68,16 @@ void ResultArea::setVisibleList(const QStringList &list)
     }
 }
 
+void ResultArea::onWidgetSizeChanged()
+{
+    int whole_height = 0;
+    Q_FOREACH (ResultWidget *widget, m_widget_list) {
+        whole_height += widget->height();
+    }
+    int spacing_height = m_widget_list.length() > 1 ? m_mainLyt->spacing() : 0;
+    m_widget->setFixedHeight(whole_height + spacing_height * (m_widget_list.length() - 1));
+}
+
 void ResultArea::initUi()
 {
     QPalette pal = palette();
@@ -88,6 +100,7 @@ void ResultArea::setupConnectionsForWidget(ResultWidget *widget)
 {
     connect(this, &ResultArea::startSearch, widget, &ResultWidget::startSearch);
     connect(this, &ResultArea::stopSearch, widget, &ResultWidget::stopSearch);
+    connect(widget, &ResultWidget::sizeChanged, this, &ResultArea::onWidgetSizeChanged);
 }
 
 DetailArea::DetailArea(QWidget *parent) : QScrollArea(parent)
diff --git a/frontend/control/stack-pages/search-page-section.h b/frontend/control/stack-pages/search-page-section.h
index ec3717e..86016fa 100644
--- a/frontend/control/stack-pages/search-page-section.h
+++ b/frontend/control/stack-pages/search-page-section.h
@@ -36,6 +36,10 @@ public:
     ~ResultArea() = default;
     void appendWidet(ResultWidget *);
     void setVisibleList(const QStringList &);
+
+public Q_SLOTS:
+    void onWidgetSizeChanged();
+
 private:
     void initUi();
     void setupConnectionsForWidget(ResultWidget *);
diff --git a/frontend/control/stack-pages/search-page.cpp b/frontend/control/stack-pages/search-page.cpp
index 3c3938e..5542b74 100644
--- a/frontend/control/stack-pages/search-page.cpp
+++ b/frontend/control/stack-pages/search-page.cpp
@@ -76,4 +76,5 @@ void SearchPage::setupConnectionsForWidget(ResultWidget *widget)
     connect(widget, &ResultWidget::currentRowChanged, m_detailArea, &DetailArea::setWidgetInfo);
     connect(widget, &ResultWidget::currentRowChanged, this, &SearchPage::currentRowChanged);
     connect(this, &SearchPage::currentRowChanged, widget, &ResultWidget::clearSelectedRow);
+    connect(widget, &ResultWidget::rowClicked, this, &SearchPage::effectiveSearch);
 }
diff --git a/frontend/control/stack-pages/search-page.h b/frontend/control/stack-pages/search-page.h
index 2740da5..3c81d1a 100644
--- a/frontend/control/stack-pages/search-page.h
+++ b/frontend/control/stack-pages/search-page.h
@@ -47,6 +47,7 @@ Q_SIGNALS:
     void startSearch(const QString &);
     void stopSearch();
     void currentRowChanged(const QString &, const SearchPluginIface::ResultInfo&);
+    void effectiveSearch();
 };
 }
 
diff --git a/frontend/control/stacked-widget.cpp b/frontend/control/stacked-widget.cpp
index 2bc4040..b1a8aec 100644
--- a/frontend/control/stacked-widget.cpp
+++ b/frontend/control/stacked-widget.cpp
@@ -88,4 +88,5 @@ void StackedWidget::initConnections()
 {
     connect(this, &StackedWidget::startSearch, m_searchPage, &SearchPage::startSearch);
     connect(this, &StackedWidget::stopSearch, m_searchPage, &SearchPage::stopSearch);
+    connect(m_searchPage, &SearchPage::effectiveSearch, this, &StackedWidget::effectiveSearch);
 }
diff --git a/frontend/control/stacked-widget.h b/frontend/control/stacked-widget.h
index 4caf68d..4304947 100644
--- a/frontend/control/stacked-widget.h
+++ b/frontend/control/stacked-widget.h
@@ -48,6 +48,7 @@ public:
 Q_SIGNALS:
     void startSearch(const QString &);
     void stopSearch();
+    void effectiveSearch();
 
 private:
     void initWidgets();
diff --git a/frontend/mainwindow.cpp b/frontend/mainwindow.cpp
index 25c60a4..754db57 100644
--- a/frontend/mainwindow.cpp
+++ b/frontend/mainwindow.cpp
@@ -201,6 +201,7 @@ void MainWindow::initConnections()
         m_iconLabel->setPixmap(QIcon::fromTheme("kylin-search").pixmap(QSize(WINDOW_ICON_SIZE, WINDOW_ICON_SIZE)));
     });
     connect(m_searchLayout, &SearchBarHLayout::requestSearchKeyword, this, &MainWindow::searchKeywordSlot);
+    connect(m_stackedWidget, &StackedWidget::effectiveSearch, m_searchLayout, &SearchBarHLayout::effectiveSearchRecord);
 }
 
 /**
diff --git a/frontend/model/search-result-manager.cpp b/frontend/model/search-result-manager.cpp
index 09679ed..2dfcdb2 100644
--- a/frontend/model/search-result-manager.cpp
+++ b/frontend/model/search-result-manager.cpp
@@ -72,7 +72,25 @@ void SearchResultManager::startSearch(const QString &keyword)
         actions.append("复制路径");
         test_info.description = desc;
         test_info.actionList = actions;
+        SearchPluginIface::ResultInfo test_info_1 = test_info;
+        test_info_1.name = "文件1";
+        SearchPluginIface::ResultInfo test_info_2 = test_info;
+        test_info_2.name = "文件2";
+        SearchPluginIface::ResultInfo test_info_3 = test_info;
+        test_info_3.name = "文件3";
+        SearchPluginIface::ResultInfo test_info_4 = test_info;
+        test_info_4.name = "文件4";
+        SearchPluginIface::ResultInfo test_info_5 = test_info;
+        test_info_5.name = "文件5";
+        SearchPluginIface::ResultInfo test_info_6 = test_info;
+        test_info_6.name = "文件6";
         m_result_queue->append(test_info);
+        m_result_queue->append(test_info_1);
+        m_result_queue->append(test_info_2);
+        m_result_queue->append(test_info_3);
+        m_result_queue->append(test_info_4);
+        m_result_queue->append(test_info_5);
+        m_result_queue->append(test_info_6);
     }
     /********************测试用数据********************/
 }
diff --git a/frontend/model/search-result-model.cpp b/frontend/model/search-result-model.cpp
index 0440cff..2ee5ad8 100644
--- a/frontend/model/search-result-model.cpp
+++ b/frontend/model/search-result-model.cpp
@@ -44,7 +44,7 @@ QModelIndex SearchResultModel::parent(const QModelIndex &child) const
 
 int SearchResultModel::rowCount(const QModelIndex &index) const
 {
-    return index.isValid() ? 0 : m_item->m_result_info_list.length();
+    return index.isValid() ? 0 : (m_isExpanded ? m_item->m_result_info_list.length() : NUM_LIMIT_SHOWN_DEFAULT);
 }
 
 int SearchResultModel::columnCount(const QModelIndex &index) const
@@ -54,8 +54,6 @@ int SearchResultModel::columnCount(const QModelIndex &index) const
 
 QVariant SearchResultModel::data(const QModelIndex &index, int role) const
 {
-    if(!index.isValid())
-        return QVariant();
     switch(role) {
     case Qt::DecorationRole: {
         return m_item->m_result_info_list.at(index.row()).icon;
@@ -81,6 +79,7 @@ void SearchResultModel::appendInfo(const SearchPluginIface::ResultInfo &info)
     this->beginResetModel();
     qDebug()<<"Got a result. name ="<<info.name;
     m_item->m_result_info_list.append(info);
+    Q_EMIT this->itemListChanged(m_item->m_result_info_list.length());
     this->endResetModel();
 }
 
@@ -89,6 +88,7 @@ void SearchResultModel::startSearch(const QString &keyword)
     if (!m_item->m_result_info_list.isEmpty()) {
         this->beginResetModel();
         m_item->m_result_info_list.clear();
+        Q_EMIT this->itemListChanged(m_item->m_result_info_list.length());
         this->endResetModel();
     }
     m_search_manager->startSearch(keyword);
@@ -105,6 +105,38 @@ const SearchPluginIface::ResultInfo &SearchResultModel::getInfo(const QModelInde
     return m_item->m_result_info_list.at(index.row());
 }
 
+void SearchResultModel::setExpanded(const bool &is_expanded)
+{
+    this->beginResetModel();
+    m_isExpanded = is_expanded;
+    this->endResetModel();
+    Q_EMIT this->itemListChanged(m_item->m_result_info_list.length());
+}
+
+const bool &SearchResultModel::isExpanded()
+{
+    return m_isExpanded;
+}
+
+/**
+ * @brief SearchResultModel::getActions 获取操作列表
+ * @param index
+ * @return
+ */
+QStringList SearchResultModel::getActions(const QModelIndex &index)
+{
+    if (m_item->m_result_info_list.length() > index.row() && index.row() >= 0)
+        return m_item->m_result_info_list.at(index.row()).actionList;
+    return QStringList();
+}
+
+QString SearchResultModel::getKey(const QModelIndex &index)
+{
+    if (m_item->m_result_info_list.length() > index.row() && index.row() >= 0)
+        return m_item->m_result_info_list.at(index.row()).key;
+    return NULL;
+}
+
 SearchResultItem::SearchResultItem(QObject *parent) : QObject(parent)
 {
 
diff --git a/frontend/model/search-result-model.h b/frontend/model/search-result-model.h
index 0c2c69c..968e40b 100644
--- a/frontend/model/search-result-model.h
+++ b/frontend/model/search-result-model.h
@@ -23,6 +23,8 @@
 #include <QAbstractItemModel>
 #include "search-result-manager.h"
 
+#define NUM_LIMIT_SHOWN_DEFAULT 5
+
 namespace Zeeker {
 
 class SearchResultItem : public QObject {
@@ -48,6 +50,10 @@ public:
     QVariant data(const QModelIndex &index, int role) const override;
 //    bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex())override;
     const SearchPluginIface::ResultInfo & getInfo(const QModelIndex&);
+    void setExpanded(const bool&);
+    const bool &isExpanded();
+    QStringList getActions(const QModelIndex &);
+    QString getKey(const QModelIndex &);
 
 public Q_SLOTS:
     void appendInfo(const SearchPluginIface::ResultInfo &);
@@ -55,12 +61,14 @@ public Q_SLOTS:
 
 Q_SIGNALS:
     void stopSearch();
+    void itemListChanged(const int&);
 
 private:
     void initConnections();
     SearchResultItem * m_item = nullptr;
     QString m_plugin_id;
     SearchResultManager * m_search_manager = nullptr;
+    bool m_isExpanded = false;
 };
 }
 
diff --git a/frontend/view/result-view.cpp b/frontend/view/result-view.cpp
index 331e9ce..ae83c24 100644
--- a/frontend/view/result-view.cpp
+++ b/frontend/view/result-view.cpp
@@ -2,7 +2,7 @@
 #define MAIN_MARGINS 0,0,0,0
 #define MAIN_SPACING 0
 #define TITLE_HEIGHT 30
-#define UNFOLD_LABEL_HEIGHT 24
+#define UNFOLD_LABEL_HEIGHT 30
 
 using namespace Zeeker;
 ResultWidget::ResultWidget(const QString &plugin_id, QWidget *parent) : QWidget(parent)
@@ -27,8 +27,8 @@ void ResultWidget::setEnabled(const bool &enabled)
  */
 void ResultWidget::expandListSlot()
 {
-//NEW_TODO
     qWarning()<<"List will be expanded!";
+    m_resultView->setExpanded(true);
 }
 
 /**
@@ -36,8 +36,21 @@ void ResultWidget::expandListSlot()
  */
 void ResultWidget::reduceListSlot()
 {
-//NEW_TODO
     qWarning()<<"List will be reduced!";
+    m_resultView->setExpanded(false);
+}
+
+/**
+ * @brief ResultWidget::onListLengthChanged 响应列表长度改变的槽函数
+ */
+void ResultWidget::onListLengthChanged(const int &length)
+{
+    this->setVisible(length > 0);
+    m_showMoreLabel->setVisible(length >= NUM_LIMIT_SHOWN_DEFAULT);
+    int show_more_height = m_showMoreLabel->isVisible() ? UNFOLD_LABEL_HEIGHT : 0;
+    int whole_height = this->isVisible() ? m_resultView->showHeight() + TITLE_HEIGHT + show_more_height : 0;
+    this->setFixedHeight(whole_height);
+    Q_EMIT this->sizeChanged();
 }
 
 void ResultWidget::initUi()
@@ -53,15 +66,14 @@ void ResultWidget::initUi()
 
     m_resultView = new ResultView(m_plugin_id, this);
 
-    //NEW_TODO 当列表条目大于n？时显示
     m_showMoreLabel = new ShowMoreLabel(this);
     m_showMoreLabel->setFixedHeight(UNFOLD_LABEL_HEIGHT);
-//    m_showMoreLabel->hide();
+    m_showMoreLabel->hide();
 
     m_mainLyt->addWidget(m_titleLabel);
     m_mainLyt->addWidget(m_resultView);
     m_mainLyt->addWidget(m_showMoreLabel);
-    this->setFixedHeight(m_resultView->height() + TITLE_HEIGHT + UNFOLD_LABEL_HEIGHT);
+    this->setFixedHeight(m_resultView->height() + TITLE_HEIGHT);
 }
 
 void ResultWidget::initConnections()
@@ -73,11 +85,20 @@ void ResultWidget::initConnections()
     connect(this, &ResultWidget::stopSearch, m_resultView, &ResultView::stopSearch);
     connect(this, &ResultWidget::stopSearch, this, [ = ]() {
         m_showMoreLabel->resetLabel();
+        m_resultView->setExpanded(false);
     });
     connect(m_resultView, &ResultView::currentRowChanged, this, &ResultWidget::currentRowChanged);
     connect(this, &ResultWidget::clearSelectedRow, m_resultView, &ResultView::clearSelectedRow);
     connect(m_showMoreLabel, &ShowMoreLabel::showMoreClicked, this, &ResultWidget::expandListSlot);
     connect(m_showMoreLabel, &ShowMoreLabel::retractClicked, this, &ResultWidget::reduceListSlot);
+    connect(m_resultView, &ResultView::listLengthChanged, this, &ResultWidget::onListLengthChanged);
+    connect(m_resultView, &ResultView::rowClicked, this, &ResultWidget::rowClicked);
+    connect(qApp, &QApplication::paletteChanged, this, [ = ]() {
+        int show_more_height = m_showMoreLabel->isVisible() ? UNFOLD_LABEL_HEIGHT : 0;
+        int whole_height = this->isVisible() ? m_resultView->showHeight() + TITLE_HEIGHT + show_more_height : 0;
+        this->setFixedHeight(whole_height);
+        Q_EMIT this->sizeChanged();
+    });
 }
 
 ResultView::ResultView(const QString &plugin_id, QWidget *parent) : QTreeView(parent)
@@ -102,6 +123,19 @@ bool ResultView::isSelected()
     return m_is_selected;
 }
 
+int ResultView::showHeight()
+{
+    int height;
+    int rowheight = this->rowHeight(this->model()->index(0, 0, QModelIndex())) + 1;
+    if (this->isExpanded()) {
+        height = m_count * rowheight;
+    } else {
+        int show_count = m_count > NUM_LIMIT_SHOWN_DEFAULT ? NUM_LIMIT_SHOWN_DEFAULT : m_count;
+        height = show_count * rowheight;
+    }
+    return height;
+}
+
 void ResultView::clearSelectedRow()
 {
     if (!m_is_selected) {
@@ -152,6 +186,56 @@ void ResultView::onRowSelectedSlot(const QItemSelection &selected, const QItemSe
     }
 }
 
+void ResultView::onItemListChanged(const int &count)
+{
+    m_count = count;
+    Q_EMIT this->listLengthChanged(count);
+}
+
+void ResultView::setExpanded(const bool &is_expanded)
+{
+    m_model->setExpanded(is_expanded);
+}
+
+const bool &ResultView::isExpanded()
+{
+    return m_model->isExpanded();
+}
+
+/**
+ * @brief ResultView::onMenuTriggered 点击右键菜单的槽函数
+ * @param action
+ */
+void ResultView::onMenuTriggered(QAction *action)
+{
+    //NEW_TODO 接口调整后需要修改
+    SearchPluginIface *plugin = SearchPluginManager::getInstance()->getPlugin(m_plugin_id);
+    if (plugin) {
+        plugin->openAction(action->text(), m_model->getKey(this->currentIndex()));
+    } else {
+        qWarning()<<"Get plugin failed!";
+    }
+}
+
+void ResultView::mousePressEvent(QMouseEvent *event)
+{
+    if (event->button() == Qt::RightButton) {
+        //加一点点延时，等待列表先被选中
+        QTimer::singleShot(10, this, [ = ] {
+            QMenu * menu = new QMenu(this);
+            QStringList actions = m_model->getActions(this->currentIndex());
+            Q_FOREACH (QString action, actions) {
+                menu->addAction(new QAction(action, this));
+            }
+            menu->move(cursor().pos());
+            menu->show();
+            connect(menu, &QMenu::triggered, this, &ResultView::onMenuTriggered);
+        });
+    }
+    Q_EMIT this->rowClicked();
+    return QTreeView::mousePressEvent(event);
+}
+
 void ResultView::initConnections()
 {
 //    connect(this, &ResultView::startSearch, m_model, &SearchResultModel::startSearch);
@@ -162,4 +246,5 @@ void ResultView::initConnections()
     connect(this, &ResultView::stopSearch, m_model, &SearchResultModel::stopSearch);
     connect(this->selectionModel(), &QItemSelectionModel::selectionChanged, this, &ResultView::onRowSelectedSlot);
     connect(this, &ResultView::activated, this, &ResultView::onRowDoubleClickedSlot);
+    connect(m_model, &SearchResultModel::itemListChanged, this, &ResultView::onItemListChanged);
 }
diff --git a/frontend/view/result-view.h b/frontend/view/result-view.h
index bf61801..190cd40 100644
--- a/frontend/view/result-view.h
+++ b/frontend/view/result-view.h
@@ -3,6 +3,8 @@
 #include <QTreeView>
 #include <QVBoxLayout>
 #include <QLabel>
+#include <QMenu>
+#include <QApplication>
 #include "search-result-model.h"
 #include "show-more-label.h"
 #include "title-label.h"
@@ -17,11 +19,19 @@ public:
     ResultView(const QString &plugin_id, QWidget *parent = nullptr);
     ~ResultView() = default;
     bool isSelected();
+    int showHeight();
 
 public Q_SLOTS:
     void clearSelectedRow();
     void onRowDoubleClickedSlot(const QModelIndex &);
     void onRowSelectedSlot(const QItemSelection &, const QItemSelection &);
+    void onItemListChanged(const int &);
+    void setExpanded(const bool &);
+    const bool &isExpanded();
+    void onMenuTriggered(QAction *);
+
+protected:
+    void mousePressEvent(QMouseEvent *event) override;
 
 private:
     void initConnections();
@@ -29,12 +39,14 @@ private:
     QString m_plugin_id;
     bool m_is_selected = false;
     ResultViewDelegate * m_style_delegate = nullptr;
+    int m_count = 0;
 
 Q_SIGNALS:
     void startSearch(const QString &);
     void stopSearch();
     void currentRowChanged(const QString &, const SearchPluginIface::ResultInfo&);
-
+    void listLengthChanged(const int &);
+    void rowClicked();
 };
 
 class ResultWidget : public QWidget
@@ -49,6 +61,7 @@ public:
 public Q_SLOTS:
     void expandListSlot();
     void reduceListSlot();
+    void onListLengthChanged(const int &);
 
 private:
     QString m_plugin_id;
@@ -66,6 +79,8 @@ Q_SIGNALS:
     void stopSearch();
     void currentRowChanged(const QString &, const SearchPluginIface::ResultInfo&);
     void clearSelectedRow();
+    void sizeChanged();
+    void rowClicked();
 };
 }