1 files changed, 235 insertions, 0 deletions
diff --git a/plugins/Skins/SkinLib/SkinnedDialog.cpp b/plugins/Skins/SkinLib/SkinnedDialog.cpp
new file mode 100644
index 0000000000..917193ad94
--- /dev/null
+++ b/plugins/Skins/SkinLib/SkinnedDialog.cpp
@@ -0,0 +1,235 @@
+#include "globals.h"
+#include "SkinnedDialog.h"
+
+#include <sys/stat.h>
+#include "V8Script.h"
+#include <utf8_helpers.h>
+#include "SkinOptions.h"
+
+
+SkinnedDialog::SkinnedDialog(const char *name) 
+		: Dialog(name), fileChangedTime(0), 
+		  script(NULL), state(NULL), opts(NULL), defaultState(NULL),
+		  errorCallback(NULL), errorCallbackParam(NULL),
+		  traceCallback(NULL), traceCallbackParam(NULL)
+{
+	V8Script::initializeEngine();
+}
+
+SkinnedDialog::~SkinnedDialog()
+{
+	releaseState();
+	releaseCompiledScript();
+}
+
+const TCHAR * SkinnedDialog::getFilename() const
+{
+	return filename.c_str();
+}
+
+void SkinnedDialog::setFilename(const TCHAR *filename)
+{
+	if (this->filename == filename)
+		return;
+
+	this->filename = filename;
+	releaseState();
+	releaseCompiledScript();
+}
+
+bool SkinnedDialog::addField(Field *field)
+{
+	if (Dialog::addField(field))
+	{
+		releaseCompiledScript();
+		releaseState();
+		field->setOnChangeCallback(SkinnedDialog::staticOnFieldChange, this);
+		return true;
+	}
+	else
+		return false;
+}
+
+void SkinnedDialog::setSize(const Size &size)
+{
+	if (getSize() == size)
+		return;
+
+	Dialog::setSize(size);
+	releaseState();
+}
+
+int SkinnedDialog::compile()
+{
+	if (!fileChanged())
+		return 1;
+
+	releaseCompiledScript();
+
+	struct _stat st = {0};
+	if (_tstat(filename.c_str(), &st) != 0)
+		return 0;
+
+	std::tstring text;
+	readFile(text);
+	if (text.size() <= 0)
+		return 0;
+
+	script = new V8Script();
+	script->setExceptionCallback(errorCallback, errorCallbackParam);
+
+	if (!script->compile(text.c_str(), this))
+	{
+		releaseCompiledScript();
+		return 0;
+	}
+
+	std::pair<SkinOptions *,DialogState *> pair = script->configure(this);
+	opts = pair.first;
+	defaultState = pair.second;
+	if (opts == NULL)
+	{
+		releaseCompiledScript();
+		return 0;
+	}
+
+	fileChangedTime = st.st_mtime;
+
+	return 2;
+}
+
+DialogState * SkinnedDialog::getState()
+{	
+	if (state != NULL && !fileChanged())
+		return state;
+
+	releaseState();
+
+	if (filename.size() <= 0)
+		return NULL;
+
+	if (!compile())
+		return NULL;
+
+	state = Dialog::createState();
+	if (!script->run(state, opts, getInfo()))
+	{
+		releaseState();
+		return NULL;
+	}
+
+	return state;
+}
+
+void SkinnedDialog::releaseCompiledScript()
+{
+	delete script;
+	script = NULL;
+	fileChangedTime = 0;
+
+	delete opts;
+	opts = NULL;
+
+	delete defaultState;
+	defaultState = NULL;
+}
+
+void SkinnedDialog::releaseState()
+{
+	delete state;
+	state = NULL;
+}
+
+bool SkinnedDialog::fileChanged()
+{
+	if (filename.size() <= 0)
+		return false;
+
+	struct _stat st = {0};
+	if (_tstat(filename.c_str(), &st) != 0)
+		return false;
+
+	return st.st_mtime > fileChangedTime;
+}
+
+void SkinnedDialog::readFile(std::tstring &ret)
+{
+	FILE* file = _tfopen(filename.c_str(), _T("rb"));
+	if (file == NULL) 
+		return;
+
+	fseek(file, 0, SEEK_END);
+	int size = ftell(file);
+	rewind(file);
+
+	char* chars = new char[size + 1];
+	chars[size] = '\0';
+	for (int i = 0; i < size;) 
+	{
+		int read = fread(&chars[i], 1, size - i, file);
+		i += read;
+	}
+	fclose(file);
+
+	ret = Utf8ToTchar(chars);
+
+	delete[] chars;
+}
+
+void SkinnedDialog::onFieldChange(const Field *field)
+{
+	releaseState();
+}
+
+
+void SkinnedDialog::staticOnFieldChange(void *param, const Field *field)
+{
+	_ASSERT(param != NULL);
+	_ASSERT(field != NULL);
+
+	SkinnedDialog *skdlg = (SkinnedDialog *) param;
+	skdlg->onFieldChange(field);
+}
+
+void SkinnedDialog::setErrorCallback(MessageCallback cb, void *param /*= NULL*/)
+{
+	errorCallback = cb;
+	errorCallbackParam = param;
+}
+
+void SkinnedDialog::setTraceCallback(MessageCallback cb, void *param /*= NULL*/)
+{
+	traceCallback = cb;
+	traceCallbackParam = param;
+}
+
+void SkinnedDialog::trace(TCHAR *msg, ...)
+{
+	if (traceCallback == NULL)
+		return;
+
+	TCHAR buff[1024];
+	memset(buff, 0, sizeof(buff));
+
+	va_list args;
+	va_start(args, msg);
+
+	_vsntprintf(buff, MAX_REGS(buff) - 1, msg, args);
+	buff[MAX_REGS(buff) - 1] = 0;
+
+	va_end(args);
+
+	traceCallback(traceCallbackParam, buff);
+}
+
+SkinOptions * SkinnedDialog::getOpts()
+{
+	compile();
+	return opts;
+}
+
+DialogState * SkinnedDialog::getDefaultState()
+{
+	compile();
+	return defaultState;
+}
+\ No newline at end of file