private boolean checkLastImage() {
File file = new File(DesignerApplicationManager.APP_DIR, LAST_PREVIEW_IMAGE_FILE_NAME);
if (!file.exists()) {
return false;
}
try {
final VirtualFile virtualFile = toolWindowForm.getFile();
BufferedImage image =
IOUtil.readImage(
file,
new Processor<DataInputStream>() {
@Override
public boolean process(DataInputStream in) {
try {
return in.readLong() == virtualFile.getTimeStamp()
&& in.readUTF().equals(virtualFile.getUrl());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
if (image != null) {
toolWindowForm.getPreviewPanel().setImage(image);
return true;
}
} catch (IOException e) {
LogMessageUtil.LOG.warn("Can't read image for last document", e);
}
return false;
}
private void saveLastImage(final VirtualFile file) {
BufferedImage image = toolWindowForm.getPreviewPanel().getImage();
if (image != null) {
try {
IOUtil.saveImage(
toolWindowForm.getPreviewPanel().getImage(),
new File(DesignerApplicationManager.APP_DIR, LAST_PREVIEW_IMAGE_FILE_NAME),
new Consumer<DataOutputStream>() {
@Override
public void consume(DataOutputStream out) {
try {
out.writeLong(file.getTimeStamp());
out.writeUTF(file.getUrl());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
} catch (Throwable e) {
LogMessageUtil.LOG.warn("Can't save image for last document", e);
}
}
}