public Object getData(String dataId) {
if (myTreeBrowser != null && myTreeBrowser.isVisible()) {
return null;
}
if (PlatformDataKeys.NAVIGATABLE.is(dataId)) {
if (mySelectedFile == null || !mySelectedFile.isValid()) return null;
return new OpenFileDescriptor(myProject, mySelectedFile);
} else if (PlatformDataKeys.VIRTUAL_FILE_ARRAY.is(dataId)) {
return getVirtualFileArray();
} else if (VcsDataKeys.IO_FILE_ARRAY.is(dataId)) {
return getFileArray();
} else if (PlatformDataKeys.TREE_EXPANDER.is(dataId)) {
if (myGroupByChangeList) {
return myTreeBrowser != null ? myTreeBrowser.getTreeExpander() : null;
} else {
return myTreeExpander;
}
} else if (VcsDataKeys.UPDATE_VIEW_SELECTED_PATH.is(dataId)) {
return mySelectedUrl;
} else if (VcsDataKeys.UPDATE_VIEW_FILES_ITERABLE.is(dataId)) {
return myTreeIterable;
} else if (VcsDataKeys.LABEL_BEFORE.is(dataId)) {
return myBefore;
} else if (VcsDataKeys.LABEL_AFTER.is(dataId)) {
return myAfter;
}
return super.getData(dataId);
}
public void actionPerformed(AnActionEvent e) {
final DataContext dc = e.getDataContext();
if ((!isVisible(dc)) || (!isEnabled(dc))) return;
final Project project = CommonDataKeys.PROJECT.getData(dc);
final Iterable<Pair<VirtualFilePointer, FileStatus>> iterable =
VcsDataKeys.UPDATE_VIEW_FILES_ITERABLE.getData(dc);
final Label before = (Label) VcsDataKeys.LABEL_BEFORE.getData(dc);
final Label after = (Label) VcsDataKeys.LABEL_AFTER.getData(dc);
final String selectedUrl = VcsDataKeys.UPDATE_VIEW_SELECTED_PATH.getData(dc);
ShowDiffAction.showDiffForChange(
new MyIterableWrapper(iterable.iterator(), before, after),
new MySelectionMarker(selectedUrl),
project,
new ShowDiffUIContext(true));
}
private boolean isVisible(final DataContext dc) {
final Project project = CommonDataKeys.PROJECT.getData(dc);
return (project != null)
&& (VcsDataKeys.LABEL_BEFORE.getData(dc) != null)
&& (VcsDataKeys.LABEL_AFTER.getData(dc) != null);
}