92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
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/*
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* ParameterItemDelegate.h
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*
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* Created on: 2011-9-16
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* Author: dev
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*/
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#ifndef PAI_FRAME_WORKFLOWVIEW_PARAMETERITEMDELEGATE_H
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#define PAI_FRAME_WORKFLOWVIEW_PARAMETERITEMDELEGATE_H
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#include <QStyledItemDelegate>
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class QWidget;
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namespace pai {
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namespace graphics2d {
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class CParameterEditor;
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class CPaiInfoEditor;
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class ParameterProperty;
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/**
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* @brief 参数面板的参数项的表现层控件
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*/
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class ParameterItemDelegate :public QStyledItemDelegate
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{
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Q_OBJECT
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public:
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/**
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* @brief 构造函数
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* @param pView 父View控件
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*/
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ParameterItemDelegate(CParameterEditor* pView);
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/**
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* @brief 析构函数
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*/
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virtual ~ParameterItemDelegate();
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/**
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* @brief 分别为参数名和参数值创建合适的编辑器
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* @param parent 父控件
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* @param option 绘制样式
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* @param index 参数项索引
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*/
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QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem& option , const QModelIndex & index ) const;
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/**
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* @brief 从参数项取值并向编辑器中赋值
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* @param index 参数项索引
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*/
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virtual void setEditorData(QWidget *editor, const QModelIndex &index) const;
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/**
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* @brief 从编辑器取值并向参数项赋值
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* @param editor 参数值编辑器
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* @param model 参数项索引的模型结构
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* @param index 参数项索引
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*/
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virtual void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
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/**
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* @brief 绘制每个参数项节点
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* @param painter 图形设备上下文
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* @param option 绘制样式
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* @param index 参数项索引
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*/
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virtual void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const;
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/**
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* @brief 返回每个参数项绘制的大小
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* @param option 绘制样式
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* @param index 参数项索引
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*/
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virtual QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const;
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/**
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* @brief 更新编辑器的大小和位置
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* @param editor 参数项编辑器
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* @param option 绘制样式
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* @param index 参数项索引
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*/
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void updateEditorGeometry ( QWidget * editor, const QStyleOptionViewItem & option, const QModelIndex & index ) const;
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/**
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* @brief 绘制每个参数项节点的背景
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*/
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void drawBackground ( QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index ) const;
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private slots:
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/**
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* @brief 编辑器编辑结束时通知框架
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*/
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void slotOnFinishEditing(const QString &str);
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private:
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CParameterEditor* m_pView;
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};
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}
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}
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#endif
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