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+/**
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+ * ownCloud Android client application
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+ *
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+ * @author masensio
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+ * @author David A. Velasco
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+ * Copyright (C) 2015 ownCloud Inc.
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2,
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+ * as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ *
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+ */
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+
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+package com.owncloud.android.ui.fragment;
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+
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+import android.accounts.Account;
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+import android.os.Bundle;
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+import android.support.v4.app.Fragment;
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+import android.view.LayoutInflater;
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+import android.view.View;
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+import android.view.ViewGroup;
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+import android.widget.CheckBox;
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+import android.widget.CompoundButton;
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+import android.widget.Switch;
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+
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+import com.owncloud.android.R;
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+import com.owncloud.android.datamodel.FileDataStorageManager;
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+import com.owncloud.android.datamodel.OCFile;
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+import com.owncloud.android.lib.common.operations.RemoteOperationResult;
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+import com.owncloud.android.lib.common.utils.Log_OC;
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+import com.owncloud.android.lib.resources.shares.OCShare;
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+import com.owncloud.android.lib.resources.shares.SharePermissionsBuilder;
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+import com.owncloud.android.ui.activity.FileActivity;
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+
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+public class EditShareFragment extends Fragment {
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+
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+ private static final String TAG = EditShareFragment.class.getSimpleName();
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+
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+ /** The fragment initialization parameters */
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+ private static final String ARG_SHARE = "SHARE";
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+ private static final String ARG_FILE = "FILE";
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+ private static final String ARG_ACCOUNT = "ACCOUNT";
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+
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+ /** Ids of CheckBoxes depending on R.id.canEdit CheckBox */
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+ private static final int sSubordinateCheckBoxIds[] = {
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+ R.id.canEditCreateCheckBox,
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+ R.id.canEditChangeCheckBox,
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+ R.id.canEditDeleteCheckBox
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+ };
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+
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+ /** Share to show & edit, received as a parameter in construction time */
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+ private OCShare mShare;
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+
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+ /** File bound to mShare, received as a parameter in construction time */
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+ private OCFile mFile;
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+
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+ /** OC account holding the shared file, received as a parameter in construction time */
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+ private Account mAccount;
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+
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+ /** Listener for changes on privilege checkboxes */
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+ private CompoundButton.OnCheckedChangeListener mOnPrivilegeChangeListener;
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+
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+
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+ /**
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+ * Public factory method to create new EditShareFragment instances.
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+ *
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+ * @param shareToEdit An {@link OCShare} to show and edit in the fragment
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+ * @param sharedFile The {@link OCFile} bound to 'shareToEdit'
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+ * @param account The ownCloud account holding 'sharedFile'
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+ * @return A new instance of fragment EditShareFragment.
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+ */
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+ public static EditShareFragment newInstance(OCShare shareToEdit, OCFile sharedFile, Account account) {
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+ EditShareFragment fragment = new EditShareFragment();
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+ Bundle args = new Bundle();
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+ args.putParcelable(ARG_SHARE, shareToEdit);
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+ args.putParcelable(ARG_FILE, sharedFile);
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+ args.putParcelable(ARG_ACCOUNT, account);
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+ fragment.setArguments(args);
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+ return fragment;
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+ }
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+
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+ /**
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+ * Required empty public constructor
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+ */
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+ public EditShareFragment() {
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+ }
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+
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+
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+ /**
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+ * {@inheritDoc}
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+ */
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+ @Override
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+ public void onCreate(Bundle savedInstanceState) {
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+ super.onCreate(savedInstanceState);
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+ Log_OC.d(TAG, "onCreate");
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+ if (getArguments() != null) {
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+ mShare = getArguments().getParcelable(ARG_SHARE);
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+ mFile = getArguments().getParcelable(ARG_FILE);
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+ mAccount = getArguments().getParcelable(ARG_ACCOUNT);
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+ }
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+ }
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+
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+
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+
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+ @Override
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+ public void onActivityCreated(Bundle savedInstanceState) {
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+ super.onActivityCreated(savedInstanceState);
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+ Log_OC.d(TAG, "onActivityCreated");
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+ getActivity().setTitle(mShare.getSharedWithDisplayName());
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+ }
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+
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+
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+ /**
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+ * {@inheritDoc}
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+ */
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+ @Override
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+ public View onCreateView(LayoutInflater inflater, ViewGroup container,
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+ Bundle savedInstanceState) {
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+ Log_OC.d(TAG, "onCreateView");
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+
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+ // Inflate the layout for this fragment
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+ View view = inflater.inflate(R.layout.edit_share_layout, container, false);
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+
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+ // Setup layout
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+ refreshUiFromState(view);
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+ setPermissionsListening(view, true);
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+
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+ return view;
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+ }
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+
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+
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+ /**
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+ * Updates the UI with the current permissions in the edited {@OCShare}
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+ *
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+ * @param editShareView Root view in the fragment.
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+ */
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+ private void refreshUiFromState(View editShareView) {
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+ if (editShareView != null) {
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+ setPermissionsListening(editShareView, false);
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+
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+ int sharePermissions = mShare.getPermissions();
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+ CompoundButton compound;
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+
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canShareSwitch);
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+ compound.setChecked((sharePermissions & OCShare.SHARE_PERMISSION_FLAG) > 0);
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+
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canEditSwitch);
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+ int anyUpdatePermission =
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+ OCShare.CREATE_PERMISSION_FLAG |
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+ OCShare.UPDATE_PERMISSION_FLAG |
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+ OCShare.DELETE_PERMISSION_FLAG;
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+ boolean canEdit = (sharePermissions & anyUpdatePermission) > 0;
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+ compound.setChecked(canEdit);
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+
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+ if (mFile.isFolder()) {
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canEditCreateCheckBox);
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+ compound.setChecked((sharePermissions & OCShare.CREATE_PERMISSION_FLAG) > 0);
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+ compound.setVisibility(canEdit ? View.VISIBLE : View.GONE);
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+
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canEditChangeCheckBox);
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+ compound.setChecked((sharePermissions & OCShare.UPDATE_PERMISSION_FLAG) > 0);
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+ compound.setVisibility(canEdit ? View.VISIBLE : View.GONE);
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+
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canEditDeleteCheckBox);
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+ compound.setChecked((sharePermissions & OCShare.DELETE_PERMISSION_FLAG) > 0);
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+ compound.setVisibility(canEdit ? View.VISIBLE : View.GONE);
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+ }
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+
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+ setPermissionsListening(editShareView, true);
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+
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+ }
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+ }
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+
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+
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+ /**
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+ * Binds or unbinds listener for user actions to enable or disable a permission on the edited share
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+ * to the views receiving the user events.
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+ *
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+ * @param editShareView Root view in the fragment.
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+ * @param enable When 'true', listener is bound to view; when 'false', it is unbound.
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+ */
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+ private void setPermissionsListening(View editShareView, boolean enable) {
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+ if (enable && mOnPrivilegeChangeListener == null) {
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+ mOnPrivilegeChangeListener = new OnPrivilegeChangeListener();
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+ }
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+ CompoundButton.OnCheckedChangeListener changeListener = enable ? mOnPrivilegeChangeListener : null;
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+ CompoundButton compound;
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+
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canShareSwitch);
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+ compound.setOnCheckedChangeListener(changeListener);
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+
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canEditSwitch);
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+ compound.setOnCheckedChangeListener(changeListener);
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+
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+ if (mFile.isFolder()) {
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canEditCreateCheckBox);
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+ compound.setOnCheckedChangeListener(changeListener);
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+
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canEditChangeCheckBox);
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+ compound.setOnCheckedChangeListener(changeListener);
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+
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+ compound = (CompoundButton) editShareView.findViewById(R.id.canEditDeleteCheckBox);
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+ compound.setOnCheckedChangeListener(changeListener);
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+ }
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+
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+ }
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+
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+ /**
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+ * Listener for user actions that enable or disable a privilege
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+ */
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+ private class OnPrivilegeChangeListener
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+ implements CompoundButton.OnCheckedChangeListener {
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+
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+ /**
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+ * Called by every {@link Switch} and {@link CheckBox} in the fragment to update
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+ * the state of its associated permission.
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+ *
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+ * @param compound {@link CompoundButton} toggled by the user
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+ * @param isChecked New switch state.
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+ */
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+ @Override
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+ public void onCheckedChanged(CompoundButton compound, boolean isChecked) {
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+ if (!isResumed()) {
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+ // very important, setCheched(...) is called automatically during
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+ // Fragment recreation on device rotations
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+ return;
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+ }
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+ /// else, getView() cannot be NULL
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+
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+ CompoundButton subordinate;
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+ switch(compound.getId()) {
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+ case R.id.canShareSwitch:
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+ Log_OC.v(TAG, "canShareCheckBox toggled to " + isChecked);
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+ updatePermissionsToShare();
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+ break;
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+
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+ case R.id.canEditSwitch:
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+ Log_OC.v(TAG, "canEditCheckBox toggled to " + isChecked);
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+ /// sync subordinate CheckBoxes
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+ if (mFile.isFolder()) {
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+ if (isChecked) {
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+ for (int i = 0; i < sSubordinateCheckBoxIds.length; i++) {
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+ //noinspection ConstantConditions, prevented in the method beginning
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+ subordinate = (CompoundButton) getView().findViewById(sSubordinateCheckBoxIds[i]);
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+ subordinate.setVisibility(View.VISIBLE);
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+ if (!subordinate.isChecked() &&
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+ !mFile.isSharedWithMe()) { // see (1)
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+ toggleDisablingListener(subordinate);
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+ }
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+ }
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+ if (!mFile.isSharedWithMe()) {
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+ updatePermissionsToShare(); // see (1)
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+ }
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+
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+ } else {
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+ for (int i = 0; i < sSubordinateCheckBoxIds.length; i++) {
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+ //noinspection ConstantConditions, prevented in the method beginning
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+ subordinate = (CompoundButton) getView().findViewById(sSubordinateCheckBoxIds[i]);
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+ subordinate.setVisibility(View.GONE);
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+ if (subordinate.isChecked()) {
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+ toggleDisablingListener(subordinate);
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+ }
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+ }
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+ updatePermissionsToShare(); // see (1)
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+ }
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+ } else {
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+ updatePermissionsToShare();
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+ }
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+ // updatePermissionsToShare() // see (1)
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+ // (1) These modifications result in an exceptional UI behaviour for the case
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+ // where the switch 'can edit' is enabled for a *reshared folder*; if the same
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+ // behaviour was applied than for owned folder, and the user did not have full
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+ // permissions to update the folder, an error would be reported by the server
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+ // and the children checkboxes would be automatically hidden again
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+ break;
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+
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+ case R.id.canEditCreateCheckBox:
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+ Log_OC.v(TAG, "canEditCreateCheckBox toggled to " + isChecked);
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+ syncCanEditSwitch(compound, isChecked);
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+ updatePermissionsToShare();
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+ break;
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+
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+ case R.id.canEditChangeCheckBox:
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+ Log_OC.v(TAG, "canEditChangeCheckBox toggled to " + isChecked);
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+ syncCanEditSwitch(compound, isChecked);
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+ updatePermissionsToShare();
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+ break;
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+
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+ case R.id.canEditDeleteCheckBox:
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+ Log_OC.v(TAG, "canEditDeleteCheckBox toggled to " + isChecked);
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+ syncCanEditSwitch(compound, isChecked);
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+ updatePermissionsToShare();
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+ break;
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+ }
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+
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+ }
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+
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+ /**
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+ * Sync value of "can edit" {@link Switch} according to a change in one of its subordinate checkboxes.
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+ *
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+ * If all the subordinates are disabled, "can edit" has to be disabled.
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+ *
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+ * If any subordinate is enabled, "can edit" has to be enabled.
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+ *
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+ * @param subordinateCheckBoxView Subordinate {@link CheckBox} that was changed.
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+ * @param isChecked 'true' iif subordinateCheckBoxView was checked.
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+ */
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+ private void syncCanEditSwitch(View subordinateCheckBoxView, boolean isChecked) {
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+ CompoundButton canEditCompound = (CompoundButton) getView().findViewById(R.id.canEditSwitch);
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+ if (isChecked) {
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+ if (!canEditCompound.isChecked()) {
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+ toggleDisablingListener(canEditCompound);
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+ }
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+ } else {
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+ boolean allDisabled = true;
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+ for (int i=0; allDisabled && i<sSubordinateCheckBoxIds.length; i++) {
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+ allDisabled &=
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+ sSubordinateCheckBoxIds[i] == subordinateCheckBoxView.getId() ||
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+ !((CheckBox) getView().findViewById(sSubordinateCheckBoxIds[i])).isChecked()
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+ ;
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+ }
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+ if (canEditCompound.isChecked() && allDisabled) {
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+ toggleDisablingListener(canEditCompound);
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+ for (int i=0; i<sSubordinateCheckBoxIds.length; i++) {
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+ getView().findViewById(sSubordinateCheckBoxIds[i]).setVisibility(View.GONE);
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+ }
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+ }
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+ }
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+ }
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+
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+
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+ /**
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+ * Toggle value of received {@link CompoundButton} granting that its change listener is not called.
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+ *
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+ * @param compound {@link CompoundButton} (switch or checkBox) to toggle without reporting to
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+ * the change listener
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+ */
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+ private void toggleDisablingListener(CompoundButton compound) {
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+ compound.setOnCheckedChangeListener(null);
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+ compound.toggle();
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+ compound.setOnCheckedChangeListener(this);
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+ }
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+ }
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+
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+
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+ /**
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+ * Updates the UI after the result of an update operation on the edited {@link OCShare} permissions.
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+ *
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+ * @param result Result of an update on the edited {@link OCShare} permissions.
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+ */
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+ public void onUpdateSharePermissionsFinished(RemoteOperationResult result) {
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+ if (result.isSuccess()) {
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+ refreshUiFromDB(getView());
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+ } else if (result.getCode() == RemoteOperationResult.ResultCode.SHARE_NOT_FOUND) {
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+ // share or file was deleted from other client before completing the operation
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+ int backStackCount = getFragmentManager().getBackStackEntryCount();
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+ for (int i=0; i<backStackCount; i++) {
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+ getFragmentManager().popBackStack();
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+ }
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+ ((ShareFragmentListener)getActivity()).
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+ refreshUsersOrGroupsListFromServer();
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+ } else {
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+ refreshUiFromState(getView());
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+ }
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+ }
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+
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+
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+ /**
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+ * Get {@link OCShare} instance from DB and updates the UI.
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+ *
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+ * Depends on the parent Activity provides a {@link com.owncloud.android.datamodel.FileDataStorageManager}
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+ * instance ready to use. If not ready, does nothing.
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+ */
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+ public void refreshUiFromDB() {
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+ if (getView() != null) {
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+ refreshUiFromDB(getView());
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+ }
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+ }
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+
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+
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+ /**
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+ * Get {@link OCShare} instance from DB and updates the UI.
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+ *
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+ * Depends on the parent Activity provides a {@link com.owncloud.android.datamodel.FileDataStorageManager}
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+ * instance ready to use. If not ready, does nothing.
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+ *
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+ * @param editShareView Root view in the fragment.
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+ */
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+ private void refreshUiFromDB(View editShareView) {
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+ FileDataStorageManager storageManager = ((FileActivity) getActivity()).getStorageManager();
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+ if (storageManager != null) {
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+ // Get edited share
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+ mShare = storageManager.getShareById(mShare.getId());
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+
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+ // Updates UI with new state
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+ refreshUiFromState(editShareView);
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+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Updates the permissions of the {@link OCShare} according to the values set in the UI
|
|
|
+ */
|
|
|
+ private void updatePermissionsToShare() {
|
|
|
+ SharePermissionsBuilder spb = new SharePermissionsBuilder();
|
|
|
+ spb.setSharePermission(getCanShareSwitch().isChecked());
|
|
|
+ if (mFile.isFolder()) {
|
|
|
+ spb.setUpdatePermission(getCanEditChangeCheckBox().isChecked())
|
|
|
+ .setCreatePermission(getCanEditCreateCheckBox().isChecked())
|
|
|
+ .setDeletePermission(getCanEditDeleteCheckBox().isChecked());
|
|
|
+ } else {
|
|
|
+ spb.setUpdatePermission(getCanEditSwitch().isChecked());
|
|
|
+ }
|
|
|
+ int permissions = spb.build();
|
|
|
+
|
|
|
+ ((FileActivity) getActivity()).getFileOperationsHelper().
|
|
|
+ setPermissionsToShare(
|
|
|
+ mShare,
|
|
|
+ permissions
|
|
|
+ )
|
|
|
+ ;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Shortcut to access {@link Switch} R.id.canShareSwitch
|
|
|
+ *
|
|
|
+ * @return {@link Switch} R.id.canShareCheckBox or null if called before
|
|
|
+ * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} finished.
|
|
|
+ */
|
|
|
+ private Switch getCanShareSwitch() {
|
|
|
+ return (Switch) getView().findViewById(R.id.canShareSwitch);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Shortcut to access {@link Switch} R.id.canEditSwitch
|
|
|
+ *
|
|
|
+ * @return {@link Switch} R.id.canEditSwitch or null if called before
|
|
|
+ * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} finished.
|
|
|
+ */
|
|
|
+ private Switch getCanEditSwitch() {
|
|
|
+ return (Switch) getView().findViewById(R.id.canEditSwitch);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Shortcut to access {@link CheckBox} R.id.canEditCreateCheckBox
|
|
|
+ *
|
|
|
+ * @return {@link CheckBox} R.id.canEditCreateCheckBox or null if called before
|
|
|
+ * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} finished.
|
|
|
+ */
|
|
|
+ private CheckBox getCanEditCreateCheckBox() {
|
|
|
+ return (CheckBox) getView().findViewById(R.id.canEditCreateCheckBox);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Shortcut to access {@link CheckBox} R.id.canEditChangeCheckBox
|
|
|
+ *
|
|
|
+ * @return {@link CheckBox} R.id.canEditChangeCheckBox or null if called before
|
|
|
+ * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} finished.
|
|
|
+ */
|
|
|
+ private CheckBox getCanEditChangeCheckBox() {
|
|
|
+ return (CheckBox) getView().findViewById(R.id.canEditChangeCheckBox);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Shortcut to access {@link CheckBox} R.id.canEditDeleteCheckBox
|
|
|
+ *
|
|
|
+ * @return {@link CheckBox} R.id.canEditDeleteCheckBox or null if called before
|
|
|
+ * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} finished.
|
|
|
+ */
|
|
|
+ private CheckBox getCanEditDeleteCheckBox() {
|
|
|
+ return (CheckBox) getView().findViewById(R.id.canEditDeleteCheckBox);
|
|
|
+ }
|
|
|
+
|
|
|
+}
|