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IDEA-67198 VCS: Show file history action update() should be optimized

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This commit is contained in:
irengrig
2011-03-29 13:58:57 +04:00
parent d22bc305fc
commit e2c9ac7abf
1 changed files with 19 additions and 18 deletions
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platform/vcs-impl/src/com/intellij/openapi/vcs/actions/TabbedShowHistoryAction.java
+19 -18
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@@ -22,16 +22,16 @@ import com.intellij.openapi.vcs.*;
import com.intellij.openapi.vcs.history.VcsHistoryProvider;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.util.ArrayList;
public class TabbedShowHistoryAction extends AbstractVcsAction {
protected void update(VcsContext context, Presentation presentation) {
presentation.setEnabled(isEnabled(context));
final Project project = context.getProject();
presentation.setVisible(project != null && ProjectLevelVcsManager.getInstance(project).getAllActiveVcss().length > 0);
presentation.setVisible(project != null && ProjectLevelVcsManager.getInstance(project).hasActiveVcss());
}
protected VcsHistoryProvider getProvider(AbstractVcs activeVcs) {
@@ -39,50 +39,51 @@ public class TabbedShowHistoryAction extends AbstractVcsAction {
}
protected boolean isEnabled(VcsContext context) {
FilePath[] selectedFiles = getSelectedFiles(context);
if (selectedFiles == null) return false;
if (selectedFiles.length != 1) return false;
FilePath path = selectedFiles[0];
FilePath selectedFile = getSelectedFileOrNull(context);
if (selectedFile == null) return false;
Project project = context.getProject();
if (project == null) return false;
VirtualFile someVFile = path.getVirtualFile() != null ? path.getVirtualFile() : path.getVirtualFileParent();
VirtualFile someVFile = selectedFile.getVirtualFile() != null ?
selectedFile.getVirtualFile() : selectedFile.getVirtualFileParent();
AbstractVcs vcs = ProjectLevelVcsManager.getInstance(project).getVcsFor(someVFile);
if (vcs == null) return false;
VcsHistoryProvider vcsHistoryProvider = getProvider(vcs);
if (vcsHistoryProvider == null) return false;
if (selectedFiles[0].isDirectory() && (! vcsHistoryProvider.supportsHistoryForDirectories())) return false;
if (selectedFile.isDirectory() && (! vcsHistoryProvider.supportsHistoryForDirectories())) return false;
final FileStatus fileStatus = FileStatusManager.getInstance(project).getStatus(someVFile);
return fileStatus != FileStatus.ADDED && fileStatus != FileStatus.UNKNOWN && fileStatus != FileStatus.IGNORED;
}
protected static FilePath[] getSelectedFiles(VcsContext context) {
ArrayList<FilePath> result = new ArrayList<FilePath>();
@Nullable
protected static FilePath getSelectedFileOrNull(VcsContext context) {
FilePath result = null;
VirtualFile[] virtualFileArray = context.getSelectedFiles();
if (virtualFileArray != null) {
for (VirtualFile virtualFile : virtualFileArray) {
result.add(new FilePathImpl(virtualFile));
if (virtualFileArray.length > 1) return null;
if (virtualFileArray.length > 0) {
result = new FilePathImpl(virtualFileArray[0]);
}
}
File[] fileArray = context.getSelectedIOFiles();
if (fileArray != null) {
if (fileArray != null && fileArray.length > 0) {
for (File file : fileArray) {
final File parentIoFile = file.getParentFile();
if (parentIoFile == null) continue;
final VirtualFile parent = LocalFileSystem.getInstance().findFileByIoFile(parentIoFile);
if (parent != null) {
final FilePathImpl child = new FilePathImpl(parent, file.getName(), false);
if (! result.contains(child)) {
result.add(child);
}
if (result != null) return null;
result = child;
}
}
}
return result.toArray(new FilePath[result.size()]);
return result;
}
protected void actionPerformed(VcsContext context) {
FilePath path = getSelectedFiles(context)[0];
FilePath path = getSelectedFileOrNull(context);
if (path == null) return;
Project project = context.getProject();
VirtualFile someVFile = path.getVirtualFile() != null ? path.getVirtualFile() : path.getVirtualFileParent();
AbstractVcs activeVcs = ProjectLevelVcsManager.getInstance(project).getVcsFor(someVFile);