/**
* This implementation of <code>javaToNative</code> converts a list of file names represented by a
* java <code>String[]</code> to a platform specific representation. Each <code>String</code> in
* the array contains the absolute path for a single file or directory. For additional information
* see <code>Transfer#javaToNative</code>.
*
* @param object a java <code>String[]</code> containing the file names to be converted
* @param transferData an empty <code>TransferData</code> object; this object will be filled in on
* return with the platform specific format of the data
*/
public void javaToNative(Object object, TransferData transferData) {
if (!checkFile(object) || !isSupportedType(transferData)) {
DND.error(DND.ERROR_INVALID_DATA);
}
String[] fileNames = (String[]) object;
StringBuffer allFiles = new StringBuffer();
for (int i = 0; i < fileNames.length; i++) {
allFiles.append(fileNames[i]);
allFiles.append(CF_HDROP_SEPARATOR); // each name is null terminated
}
TCHAR buffer =
new TCHAR(
0, allFiles.toString(), true); // there is an extra null terminator at the very end
DROPFILES dropfiles = new DROPFILES();
dropfiles.pFiles = DROPFILES.sizeof;
dropfiles.pt_x = dropfiles.pt_y = 0;
dropfiles.fNC = 0;
dropfiles.fWide = OS.IsUnicode ? 1 : 0;
// Allocate the memory because the caller (DropTarget) has not handed it in
// The caller of this method must release the data when it is done with it.
int byteCount = buffer.length() * TCHAR.sizeof;
int /*long*/ newPtr =
OS.GlobalAlloc(COM.GMEM_FIXED | COM.GMEM_ZEROINIT, DROPFILES.sizeof + byteCount);
OS.MoveMemory(newPtr, dropfiles, DROPFILES.sizeof);
OS.MoveMemory(newPtr + DROPFILES.sizeof, buffer, byteCount);
transferData.stgmedium = new STGMEDIUM();
transferData.stgmedium.tymed = COM.TYMED_HGLOBAL;
transferData.stgmedium.unionField = newPtr;
transferData.stgmedium.pUnkForRelease = 0;
transferData.result = COM.S_OK;
}
int parseMnemonics(char[] buffer, int start, int end, StringBuffer result) {
int mnemonic = -1, index = start;
while (index < end) {
if (buffer[index] == '&') {
if (index + 1 < end && buffer[index + 1] == '&') {
result.append(buffer[index]);
index++;
} else {
mnemonic = result.length();
}
} else {
result.append(buffer[index]);
}
index++;
}
return mnemonic;
}