base.h

c++的guiQt做的开发

#ifndef __BASE_H__
#define __BASE_H__

#include <QMap>
#include <QStringList>
#include <guitypes.h>
class QString;

namespace gui {

class MainWindow;
class CommandParams;

/** Member function without parameter */
typedef void (MainWindow::*CommandFunc)();
/** Member function accepting list of parameters */
typedef void (MainWindow::*CommandFuncParam)(const QStringList &);
/** Map of parameter-less member functions */
typedef QMap<QString,CommandFunc> CommandMap;
/** Map of member functions with parameters */
typedef QMap<QString,CommandFuncParam> CommandMapParam;
/** Map with help texts for parameters */
typedef QMap<QString,CommandParams*> CommandParameters;

/**
 Base class serving as a system to register and invoke commands
*/
class Base {
public:
 Base();
 ~Base();
 //Enum type info
 QString enumInfo(const QString &id);
 bool isEnumType(const QString &name);
 QStringList enumKeys(const QString &name);
 QStringList enumValues(const QString &name);
 //returning help texts
 QString helpTextHtml(const QString &name, bool longText=false);
 const QStringList& commandList();
 bool validCommand(const QString &funcName);
 QString beforeParamHelp(const QString &funcName);
 QString afterParamHelp(const QString &funcName);
protected:
 //Enum types
 void registerEnum(const QString &id,const QStringList &values,const QStringList &keys);
 void registerEnum(const QString &id,const QStringList &values,int start=0);
 void registerEnum(const QString &id,const QString &values,int start=0);
 void registerEnum(const QString &id,const QString &values,const QString &keys);
 //Registering functions and help for them
 void addFunc(const QString &name,CommandFunc fn,const QString &helpText);
 void addFunc(const QString &name,CommandFuncParam fn,const QString &helpText);
 void addFuncParam(const QString &funcName,const QString &type, const QString &name,const QString &description,const QString &caption=QString::null,const QString &defValue=QString::null);
 void addFuncParamHelp(const QString &funcName,const QString &helpText);
 //Reset
 void unregisterAll();
 //Reading parameters from functions
 QString currentFunction();
 double getParamDouble(const QString &name);
 float getParamFloat(const QString &name);
 int getParamScaleInt(const QString &name);
 double getParamScaleDouble(const QString &name);
 int getParamInt(const QString &name);
 QString getParam(const QString &name);
 int minParamCount(const QString &funcName);
 void paramsToMap(const QString &funcName,const QStringList &param);
 SMap paramMap(const QString &funcName,const QStringList &param);
 QStringList paramNames(const QString &funcName);
 QStringList paramTypes(const QString &funcName);
 QStringList paramHelps(const QString &funcName);
 QStringList paramCaptions(const QString &funcName);
 //Invoking commands
 bool invokeCommand(MainWindow *context,const QString &cmd, const QStringList &params);
private:
 /** Map with commandline functions without parameters */
 CommandMap func;
 /** Map with commandline functions accepting parameters */
 CommandMapParam func_p;
 /** Map with commandline parameters */
 CommandParameters func_param;
 /** List of available commandline commands */
 QStringList commands;
 /** length of longest command name */
 int maxCommandLength;
 /** Global named parameters used by getImageAndParamFor + getParam* functions */
 SMap globalParams;
 /** Help texts */
 SMap helpTexts;
 /** true, if commands array is sorted */
 bool commandsSorted;
 /** Name of function that is currently invoked */
 QString invokedFunction;
 /** Keys of enum elements */
 QMap<QString,QStringList> enumKeyList;
 /** Values of enum elements */
 QMap<QString,QStringList> enumValueList;
};

} //namespace base

#endif