PolycodeTextEditor.h

/*
 Copyright (C) 2012 by Ivan Safrin
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */

#pragma once

#include "PolycodeEditor.h"
#include <PolycodeUI.h>
#include <Polycode.h>

using namespace Polycode;

class SyntaxHighlightTheme {
	public:
		void loadFromFile(String themeName);		
		String name;
		Color bgColor;
		Color selectionColor;
		Color cursorColor;
		Color lineNumberColor;
		bool useStrongHinting;
		Color colors[8];
};

class FindBar : public UIElement {
	public:
		FindBar();
		~FindBar();
		
		void setBarWidth(int width);
		void onKeyDown(PolyKEY key, wchar_t charCode);
		
		UITextInput *findInput;
		UITextInput *replaceInput;		
		UIImageButton *closeButton;		
		
		UIButton *replaceAllButton;
		UIComboBox *functionList;
		
	protected:
		UIRect *barBg;
		
};

class PolycodeSyntaxHighlighter : public UITextInputSyntaxHighlighter {
	public:
		PolycodeSyntaxHighlighter(String extension);
		~PolycodeSyntaxHighlighter();
	
		bool contains(String part, std::vector<String> *list);
		bool contains_char(char part, std::vector<char> *list);
			
		std::vector<SyntaxHighlightToken> parseText(String text, SyntaxHighlightToken overrideToken);
		std::vector<SyntaxHighlightToken> parseLua(String text, SyntaxHighlightToken overrideToken);	
		std::vector<SyntaxHighlightToken> parseGLSL(String text, SyntaxHighlightToken overrideToken);
			
		static const int MODE_LUA = 0;
		static const int MODE_GLSL = 1;
						
		int getMode();
	protected:

		int mode;
	
		std::vector<char> separators;
		std::vector<String> keywords;		
};

class PolycodeTextEditor : public PolycodeEditor {
public:
	PolycodeTextEditor();
	virtual ~PolycodeTextEditor();
	
	bool openFile(OSFileEntry filePath);
	void Resize(int x, int y);
	void saveFile();
	
	ObjectEntry *getEditorConfig();
	void applyEditorConfig(ObjectEntry *configEntry);
		
	void handleEvent(Event *event);
	
	void hideFindBar();
	void showFindBar();
	
	void highlightLine(unsigned int lineNumber);
	
	void commentText(bool uncomment = false);

protected:

	FindBar *findBar;
	bool isLoading;
	String lastFindString;
	bool firstTimeResize;

	PolycodeSyntaxHighlighter *syntaxHighligher;
	UITextInput *textInput;
	
};

class PolycodeTextEditorFactory : public PolycodeEditorFactory {
public:
	PolycodeTextEditorFactory() : PolycodeEditorFactory() {
		extensions.push_back("lua");
		extensions.push_back("txt");
		extensions.push_back("xml");
		extensions.push_back("vert");
		extensions.push_back("frag");				
	}
	PolycodeEditor *createEditor() { return new PolycodeTextEditor(); }
};