DAChartSettingWidget.h

#ifndef DACHARTSETTINGWIDGET_H
#define DACHARTSETTINGWIDGET_H
 
#include <QWidget>
#include "DAGuiAPI.h"
#include "DAFigureWidget.h"
#include "DAChartWidget.h"
#include "qwt_plot_item.h"
#include "DAFigureElementSelection.h"
class QScrollArea;
namespace Ui
{
class DAChartSettingWidget;
}
 
namespace DA
{
class DAChartOperateWidget;
class DAChartPlotSettingWidget;
class DAChartCanvasSettingWidget;
class DAChartAxisSetWidget;
class DAChartCommonItemsSettingWidget;
class DAGUI_API DAChartSettingWidget : public QWidget
{
    Q_OBJECT
    DA_DECLARE_PRIVATE(DAChartSettingWidget)
public:
    enum SettingWidgetType
    {
        SettingPlot = 0,
        SettingCanvas,
        SettingYLeftScale,
        SettingYRightScale,
        SettingXBottomScale,
        SettingXTopScale,
        SettingPlotItems
    };
 
    enum ComboBoxRole
    {
        RolePlotItemPtr = Qt::UserRole + 1  
    };
 
public:
    explicit DAChartSettingWidget(QWidget* parent = nullptr);
    ~DAChartSettingWidget();
    // 设置绘图
    void setPlot(QwtPlot* plot);
    QwtPlot* getPlot() const;
    // 更新界面
    void updateUI();
    // 设置plotItem，注意，如果item的plot不是当前的plot，会调用setPlot把item的plot设置为当前plot
    void setCurrentPlotItem(QwtPlotItem* item);
    QwtPlotItem* getCurrentPlotItem() const;
 
    // 设置选中内容，设置窗口会根据选中内容进行配置和显示
    void setSelection(const DAFigureElementSelection& sel);
 
    // 显示绘图设置
    void showSettingWidget(SettingWidgetType widType);
    void showPlotSetting();
    void showCanvasSetting();
    void showScaleYLeftSetting();
    void showScaleYRightSetting();
    void showScaleXBottomSetting();
    void showScaleXTopSetting();
    void showPlotItemSetting(QwtPlotItem* item);
 
    // 获取设置窗口
    DAChartPlotSettingWidget* getChartPlotSettingWidget() const;
    DAChartCanvasSettingWidget* getChartCanvasSettingWidget() const;
    DAChartAxisSetWidget* getChartAxisSetWidget(int axisId) const;
    DAChartCommonItemsSettingWidget* getChartCommonItemsSettingWidget() const;
 
protected:
    void changeEvent(QEvent* e);
    // 通过plotitem，从combobox找到对应的索引
    int findComboBoxIndexFromPlotItem(const QwtPlotItem* item) const;
    // 把plotitem添加到combobox
    void appendPlotItemToComboBox(const QwtPlotItem* item);
    // 从combobox获取plotitem
    QwtPlotItem* getPlotItemFromComboBox(int index) const;
    // 把plotitem从combobox移除
    void removePlotItemFromComboBox(const QwtPlotItem* item);
protected slots:
    void onComboBoxItemIndexChanged(int index);
    // plot的item发生了变换信号
    void onItemAttached(QwtPlotItem* plotItem, bool on);
    // 重置combobox
    void resetComboBox();
 
private:
    Ui::DAChartSettingWidget* ui;
};
}
#endif  // DACHARTSETTINGWIDGET_H