/*
* Copyright 2012 GitHub Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.github.mobile.ui.code;
import static android.app.Activity.RESULT_OK;
import static com.github.mobile.Intents.EXTRA_REPOSITORY;
import static com.github.mobile.RequestCodes.REF_UPDATE;
import android.app.Activity;
import android.os.Bundle;
import android.text.method.LinkMovementMethod;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import com.github.kevinsawicki.wishlist.ViewUtils;
import com.github.mobile.R.color;
import com.github.mobile.R.id;
import com.github.mobile.R.layout;
import com.github.mobile.R.menu;
import com.github.mobile.R.string;
import com.github.mobile.core.code.FullTree;
import com.github.mobile.core.code.FullTree.Entry;
import com.github.mobile.core.code.FullTree.Folder;
import com.github.mobile.core.code.RefreshTreeTask;
import com.github.mobile.core.ref.RefUtils;
import com.github.mobile.ui.DialogFragment;
import com.github.mobile.ui.DialogFragmentActivity;
import com.github.mobile.ui.HeaderFooterListAdapter;
import com.github.mobile.ui.StyledText;
import com.github.mobile.ui.ref.BranchFileViewActivity;
import com.github.mobile.ui.ref.CodeTreeAdapter;
import com.github.mobile.ui.ref.RefDialog;
import com.github.mobile.ui.ref.RefDialogFragment;
import com.github.mobile.util.ToastUtils;
import com.github.mobile.util.TypefaceUtils;
import com.google.inject.Inject;
import java.util.LinkedList;
import org.eclipse.egit.github.core.Reference;
import org.eclipse.egit.github.core.Repository;
import org.eclipse.egit.github.core.service.DataService;
/**
* Fragment to display a repository's source code tree
*/
public class RepositoryCodeFragment extends DialogFragment implements
OnItemClickListener {
private FullTree tree;
private ListView listView;
private ProgressBar progressView;
private TextView branchIconView;
private TextView branchView;
private TextView pathView;
private View pathHeaderView;
private View branchFooterView;
private HeaderFooterListAdapter<CodeTreeAdapter> adapter;
private boolean pathShowing;
private Folder folder;
private Repository repository;
@Inject
private DataService service;
private RefDialog dialog;
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
repository = getSerializableExtra(EXTRA_REPOSITORY);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (tree == null || folder == null)
refreshTree(null);
else
setFolder(tree, folder);
}
@Override
public void onCreateOptionsMenu(Menu optionsMenu, MenuInflater inflater) {
inflater.inflate(menu.refresh, optionsMenu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case id.m_refresh:
if (tree != null)
refreshTree(new Reference().setRef(tree.reference.getRef()));
else
refreshTree(null);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
private void showLoading(final boolean loading) {
ViewUtils.setGone(progressView, !loading);
ViewUtils.setGone(listView, loading);
ViewUtils.setGone(branchFooterView, loading);
}
private void refreshTree(final Reference reference) {
showLoading(true);
new RefreshTreeTask(repository, reference, getActivity()) {
@Override
protected void onSuccess(final FullTree fullTree) throws Exception {
super.onSuccess(fullTree);
if (folder == null || folder.parent == null)
setFolder(fullTree, fullTree.root);
else {
// Look for current folder in new tree or else reset to root
Folder current = folder;
LinkedList<Folder> stack = new LinkedList<Folder>();
while (current != null && current.parent != null) {
stack.addFirst(current);
current = current.parent;
}
Folder refreshed = fullTree.root;
while (!stack.isEmpty()) {
refreshed = refreshed.folders
.get(stack.removeFirst().name);
if (refreshed == null)
break;
}
if (refreshed != null)
setFolder(fullTree, refreshed);
else
setFolder(fullTree, fullTree.root);
}
}
@Override
protected void onException(Exception e) throws RuntimeException {
super.onException(e);
showLoading(false);
ToastUtils.show(getActivity(), e, string.error_code_load);
}
}.execute();
}
private void switchBranches() {
if (tree == null)
return;
if (dialog == null)
dialog = new RefDialog((DialogFragmentActivity) getActivity(),
REF_UPDATE, repository, service);
dialog.show(tree.reference);
}
@Override
public void onDialogResult(int requestCode, int resultCode, Bundle arguments) {
if (RESULT_OK != resultCode)
return;
switch (requestCode) {
case REF_UPDATE:
refreshTree(RefDialogFragment.getSelected(arguments));
break;
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(layout.repo_code, null);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
progressView = finder.find(id.pb_loading);
listView = finder.find(android.R.id.list);
listView.setOnItemClickListener(this);
Activity activity = getActivity();
adapter = new HeaderFooterListAdapter<CodeTreeAdapter>(listView,
new CodeTreeAdapter(activity));
branchFooterView = finder.find(id.rl_branch);
branchView = finder.find(id.tv_branch);
branchIconView = finder.find(id.tv_branch_icon);
branchFooterView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
switchBranches();
}
});
pathHeaderView = activity.getLayoutInflater().inflate(layout.path_item,
null);
pathView = (TextView) pathHeaderView.findViewById(id.tv_path);
pathView.setMovementMethod(LinkMovementMethod.getInstance());
if (pathShowing)
adapter.addHeader(pathHeaderView);
TypefaceUtils.setOcticons(branchIconView,
(TextView) pathHeaderView.findViewById(id.tv_folder_icon));
listView.setAdapter(adapter);
}
/**
* Back up the currently viewed folder to its parent
*
* @return true if directory changed, false otherwise
*/
public boolean onBackPressed() {
if (folder != null && folder.parent != null) {
setFolder(tree, folder.parent);
return true;
} else
return false;
}
private void setFolder(final FullTree tree, final Folder folder) {
this.folder = folder;
this.tree = tree;
showLoading(false);
branchView.setText(tree.branch);
if (RefUtils.isTag(tree.reference))
branchIconView.setText(string.icon_tag);
else
branchIconView.setText(string.icon_fork);
adapter.getWrappedAdapter().setIndented(folder.entry != null);
if (folder.entry != null) {
int textLightColor = getResources().getColor(color.text_light);
final String[] segments = folder.entry.getPath().split("/");
StyledText text = new StyledText();
for (int i = 0; i < segments.length - 1; i++) {
final int index = i;
text.url(segments[i], new OnClickListener() {
@Override
public void onClick(View v) {
Folder clicked = folder;
for (int i = index; i < segments.length - 1; i++) {
clicked = clicked.parent;
if (clicked == null)
return;
}
setFolder(tree, clicked);
}
}).append(' ').foreground('/', textLightColor).append(' ');
}
text.bold(segments[segments.length - 1]);
pathView.setText(text);
if (!pathShowing) {
adapter.addHeader(pathHeaderView);
pathShowing = true;
}
} else if (pathShowing) {
adapter.removeHeader(pathHeaderView);
pathShowing = false;
}
adapter.getWrappedAdapter().setItems(folder);
listView.setSelection(0);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
Entry entry = (Entry) parent.getItemAtPosition(position);
if (tree == null || entry == null)
return;
if (entry instanceof Folder)
setFolder(tree, (Folder) entry);
else
startActivity(BranchFileViewActivity.createIntent(repository,
tree.branch, entry.entry.getPath(), entry.entry.getSha()));
}
}