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/***************************************************************************
 *   Copyright (C) 2006-2012 by Thomas Schweitzer                          *
 *   thomas-schweitzer(at)arcor.de                                         *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License version 2.0 as   *
 *   published by the Free Software Foundation.                            *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program in the file LICENSE.GPL; if not, write to the *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef INDENTHANDLER_H
#define INDENTHANDLER_H

#include <tntqwidget.h>

class UiGuiErrorMessage;
class UiGuiIniFileParser;

class TQMenu;
class TQVBoxLayout;
class TQLabel;
class TQSpinBox;
class TQComboBox;
class TQCheckBox;
class TQLineEdit;
class TQToolButton;
class TQToolBox;


class IndentHandler : public TQWidget
{
	Q_OBJECT

	public:
		IndentHandler(int indenterID, TQWidget *mainWindow = NULL, TQWidget *parent = NULL);
		~IndentHandler();

		TQString          generateShellScript(const TQString &configFilename);
		TQString          callIndenter(TQString sourceCode, TQString inputFileExtension);
		bool              loadConfigFile(TQString filePathName);
		void              resetToDefaultValues();
		TQStringList      getAvailableIndenters();
		TQString          getPossibleIndenterFileExtensions();
		TQString          getParameterString();
		TQString          getIndenterCfgFile();
		TQString          getManual();
		void              retranslateUi();
		TQString          getCurrentIndenterName();
		TQMenu*           getIndenterMenu();
		TQList<TQAction*> getIndenterMenuActions();
		void              contextMenuEvent(TQContextMenuEvent *event);
		void              setParameterChangedCallback(void (*paramChangedCallback)(void));
		void              setWindowClosedCallback(void (*winClosedCallback)(void));
		int               getIndenterId();

	signals:
		void indenterSettingsChanged();
		void selectedIndenterIndexChanged(int index);

	protected:
		bool event(TQEvent *event);
		void closeEvent(TQCloseEvent *event);
		void wheelEvent(TQWheelEvent *event);

	private slots:
		void setIndenter(int indenterID);
		void showIndenterManual();
		void openConfigFileDialog();
		void saveasIndentCfgFileDialog();
		void createIndenterCallShellScript();
		void resetIndenterParameter();
		void handleChangedIndenterSettings();
		void updateDrawing();

	private:
		TQString callExecutableIndenter(TQString sourceCode, TQString inputFileExtension);
		TQString callJavaScriptIndenter(TQString sourceCode);
		void     saveConfigFile(TQString filePathName, TQString parameterString);
		void     readIndentIniFile(TQString iniFilePath);
		bool     createIndenterCallString();
		void     initIndenterMenu();

		//! Holds a reference to all created pages of the parameter categories toolbox and the pages
		// boxlayout
		struct IndenterParameterCategoryPage
		{
			TQWidget     *widget;
			TQVBoxLayout *vboxLayout;
		};

		TQVector<IndenterParameterCategoryPage> _indenterParameterCategoryPages;

		//! Holds a reference to all checkboxes needed for boolean parameter setting and the parameters
		// name
		struct ParamBoolean
		{
			TQString    paramName;
			TQString    trueString;
			TQString    falseString;
			TQCheckBox *checkBox;
		};

		TQVector<ParamBoolean> _paramBooleans;

		//! Holds a reference to all line edits needed for parameter setting and the parameters name
		struct ParamString
		{
			TQString    paramName;
			TQString    paramCallName;
			TQCheckBox *valueEnabledChkBox;
			TQLineEdit *lineEdit;
			TQLabel    *label;
		};

		TQVector<ParamString> _paramStrings;

		//! Hold a reference to all spin boxes needed for parameter setting and the parameters name
		struct ParamNumeric
		{
			TQString    paramName;
			TQString    paramCallName;
			TQCheckBox *valueEnabledChkBox;
			TQSpinBox  *spinBox;
			TQLabel    *label;
		};

		TQVector<ParamNumeric> _paramNumerics;

		//! Hold a reference to all combo boxes needed for parameter setting and the parameters name
		struct ParamMultiple
		{
			TQString     paramName;
			TQString     paramCallName;
			TQCheckBox  *valueEnabledChkBox;
			TQComboBox  *comboBox;
			TQStringList choicesStrings;
			TQStringList choicesStringsReadable;
		};

		TQVector<ParamMultiple> _paramMultiples;

		TQComboBox   *_indenterSelectionCombobox;
		TQToolButton *_indenterParameterHelpButton;
		//! Vertical layout box, into which the toolbox will be added
		TQVBoxLayout       *_toolBoxContainerLayout;
		TQToolBox          *_indenterParameterCategoriesToolBox;
		UiGuiIniFileParser *_indenterSettings;
		TQStringList        _indenterParameters;
		//! The indenters name in a descriptive form
		TQString _indenterName;
		//! The indenters file name (w/o extension), that is being called
		TQString           _indenterFileName;
		TQString           _indenterDirctoryStr;
		TQString           _tempDirctoryStr;
		TQString           _settingsDirctoryStr;
		TQStringList       _indenterIniFileList;
		TQString           _parameterOrder;
		TQString           _globalConfigFilename;
		TQString           _cfgFileParameterEnding;
		TQString           _inputFileParameter;
		TQString           _inputFileName;
		TQString           _outputFileParameter;
		TQString           _outputFileName;
		TQString           _fileTypes;
		TQString           _useCfgFileParameter;
		TQString           _indenterShowHelpParameter;
		TQWidget          *_mainWindow;
		UiGuiErrorMessage *_errorMessageDialog;
		TQString           _indenterExecutableCallString;
		TQString           _indenterExecutableSuffix;

		TQMenu   *_menuIndenter;
		TQAction *_actionLoadIndenterConfigFile;
		TQAction *_actionSaveIndenterConfigFile;
		TQAction *_actionCreateShellScript;
		TQAction *_actionResetIndenterParameters;
		//! Needed for the NPP plugin.
		void (*_parameterChangedCallback)(void);
		//! Needed for the NPP plugin.
		void (*_windowClosedCallback)(void);

		//TODO: This function should go into a string helper/tool class/file.
		TQString encodeToHTML(const TQString &text);
};

#endif // INDENTHANDLER_H