private MergeRequestImpl(
@NotNull DiffContent left,
@NotNull DiffContent base,
@NotNull DiffContent right,
@Nullable Project project,
@Nullable final ActionButtonPresentation okButtonPresentation,
@Nullable final ActionButtonPresentation cancelButtonPresentation) {
super(project);
myOkButtonPresentation = okButtonPresentation;
myCancelButtonPresentation = cancelButtonPresentation;
myDiffContents[0] = left;
myDiffContents[1] = base;
myDiffContents[2] = right;
if (MergeTool.LOG.isDebugEnabled()) {
VirtualFile file = base.getFile();
MergeTool.LOG.debug(
new Throwable(
base.getClass()
+ " - writable: "
+ base.getDocument().isWritable()
+ ", contentType: "
+ base.getContentType()
+ ", file: "
+ (file != null ? "valid - " + file.isValid() : "null")
+ ", presentation: "
+ myOkButtonPresentation
+ "-"
+ myCancelButtonPresentation));
}
}
public static boolean canShowDiff(DiffRequest data) {
DiffContent[] contents = data.getContents();
if (contents.length != 2) return false;
for (DiffContent content : contents) {
if (content.isBinary()) return false;
VirtualFile file = content.getFile();
if (file != null && file.isDirectory()) return false;
}
return true;
}
public static FileType[] chooseContentTypes(DiffContent[] contents) {
FileType commonType = FileTypes.PLAIN_TEXT;
for (DiffContent content : contents) {
FileType contentType = content.getContentType();
if (DiffContentUtil.isTextType(contentType)) commonType = contentType;
}
FileType[] result = new FileType[contents.length];
for (int i = 0; i < contents.length; i++) {
FileType contentType = contents[i].getContentType();
result[i] = DiffContentUtil.isTextType(contentType) ? contentType : commonType;
}
return result;
}
private void setSplitterProportion(DiffContent content1, DiffContent content2) {
if (content1.isEmpty()) {
mySplitter.setProportion(0f);
mySplitter.setResizeEnabled(false);
return;
}
if (content2.isEmpty()) {
mySplitter.setProportion(1.0f);
mySplitter.setResizeEnabled(false);
return;
}
mySplitter.setProportion(0.5f);
mySplitter.setResizeEnabled(true);
}
public void setContents(DiffContent content1, DiffContent content2) {
LOG.assertTrue(content1 != null && content2 != null);
LOG.assertTrue(!myDisposed);
myData.setContents(content1, content2);
Project project = myData.getProject();
FileType[] types = DiffUtil.chooseContentTypes(new DiffContent[] {content1, content2});
VirtualFile beforeFile = content1.getFile();
VirtualFile afterFile = content2.getFile();
String path = myDiffRequest == null ? null : myDiffRequest.getWindowTitle();
myLeftSide.setHighlighterFactory(
createHighlighter(types[0], beforeFile, afterFile, path, project));
myRightSide.setHighlighterFactory(
createHighlighter(types[1], afterFile, beforeFile, path, project));
setSplitterProportion(content1, content2);
rediff();
if (myIsRequestFocus) {
myPanel.requestScrollEditors();
}
}
public static boolean isWritable(DiffContent content) {
Document document = content.getDocument();
return document != null && document.isWritable();
}