/*
* FindOutputPresenter.java
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.studio.client.workbench.views.output.find;
import com.google.gwt.core.client.JsArrayString;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.HasClickHandlers;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.inject.Inject;
import org.rstudio.core.client.CodeNavigationTarget;
import org.rstudio.core.client.StringUtil;
import org.rstudio.core.client.events.HasEnsureHiddenHandlers;
import org.rstudio.core.client.events.HasSelectionCommitHandlers;
import org.rstudio.core.client.events.SelectionCommitEvent;
import org.rstudio.core.client.events.SelectionCommitHandler;
import org.rstudio.core.client.files.FileSystemItem;
import org.rstudio.core.client.js.JsObject;
import org.rstudio.core.client.widget.OperationWithInput;
import org.rstudio.core.client.widget.events.SelectionChangedEvent;
import org.rstudio.core.client.widget.events.SelectionChangedHandler;
import org.rstudio.studio.client.application.events.EventBus;
import org.rstudio.studio.client.common.SimpleRequestCallback;
import org.rstudio.studio.client.common.filetypes.FileTypeRegistry;
import org.rstudio.studio.client.server.VoidServerRequestCallback;
import org.rstudio.studio.client.workbench.WorkbenchContext;
import org.rstudio.studio.client.workbench.WorkbenchView;
import org.rstudio.studio.client.workbench.model.ClientState;
import org.rstudio.studio.client.workbench.model.Session;
import org.rstudio.studio.client.workbench.model.helper.JSObjectStateValue;
import org.rstudio.studio.client.workbench.views.BasePresenter;
import org.rstudio.studio.client.workbench.views.output.find.events.FindInFilesEvent;
import org.rstudio.studio.client.workbench.views.output.find.events.FindOperationEndedEvent;
import org.rstudio.studio.client.workbench.views.output.find.events.FindResultEvent;
import org.rstudio.studio.client.workbench.views.output.find.model.FindInFilesServerOperations;
import org.rstudio.studio.client.workbench.views.output.find.model.FindInFilesState;
import org.rstudio.studio.client.workbench.views.output.find.model.FindResult;
import java.util.ArrayList;
public class FindOutputPresenter extends BasePresenter
{
public interface Display extends WorkbenchView,
HasSelectionCommitHandlers<CodeNavigationTarget>,
HasEnsureHiddenHandlers
{
void addMatches(ArrayList<FindResult> findResults);
void clearMatches();
void ensureVisible(boolean activate);
HasClickHandlers getStopSearchButton();
void setStopSearchButtonVisible(boolean visible);
void ensureSelectedRowIsVisible();
HandlerRegistration addSelectionChangedHandler(SelectionChangedHandler handler);
void showOverflow();
void showSearchCompleted();
void updateSearchLabel(String query, String path);
void clearSearchLabel();
}
@Inject
public FindOutputPresenter(Display view,
EventBus events,
FindInFilesServerOperations server,
final FileTypeRegistry ftr,
Session session,
WorkbenchContext workbenchContext)
{
super(view);
view_ = view;
events_ = events;
server_ = server;
session_ = session;
workbenchContext_ = workbenchContext;
view_.addSelectionChangedHandler(new SelectionChangedHandler()
{
@Override
public void onSelectionChanged(SelectionChangedEvent e)
{
view_.ensureSelectedRowIsVisible();
}
});
view_.addSelectionCommitHandler(new SelectionCommitHandler<CodeNavigationTarget>()
{
@Override
public void onSelectionCommit(SelectionCommitEvent<CodeNavigationTarget> event)
{
CodeNavigationTarget target = event.getSelectedItem();
if (target == null)
return;
ftr.editFile(FileSystemItem.createFile(target.getFile()),
target.getPosition());
}
});
view_.getStopSearchButton().addClickHandler(new ClickHandler()
{
@Override
public void onClick(ClickEvent event)
{
stop();
}
});
events_.addHandler(FindResultEvent.TYPE, new FindResultEvent.Handler()
{
@Override
public void onFindResult(FindResultEvent event)
{
if (!event.getHandle().equals(currentFindHandle_))
return;
view_.addMatches(event.getResults());
view_.ensureVisible(true);
}
});
events_.addHandler(FindOperationEndedEvent.TYPE, new FindOperationEndedEvent.Handler()
{
@Override
public void onFindOperationEnded(
FindOperationEndedEvent event)
{
if (event.getHandle().equals(currentFindHandle_))
{
currentFindHandle_ = null;
view_.setStopSearchButtonVisible(false);
view_.showSearchCompleted();
}
}
});
new JSObjectStateValue(GROUP_FIND_IN_FILES, KEY_DIALOG_STATE,
ClientState.PROJECT_PERSISTENT,
session.getSessionInfo().getClientState(),
false)
{
@Override
protected void onInit(JsObject value)
{
dialogState_ = value == null
? null
: value.<FindInFilesDialog.State>cast();
}
@Override
protected JsObject getValue()
{
return dialogState_.cast();
}
};
}
public void initialize(FindInFilesState state)
{
view_.ensureVisible(false);
currentFindHandle_ = state.getHandle();
view_.addMatches(state.getResults().toArrayList());
updateSearchLabel(state.getInput(), state.getPath(), state.isRegex());
if (state.isRunning())
view_.setStopSearchButtonVisible(true);
else
events_.fireEvent(new FindOperationEndedEvent(state.getHandle()));
}
public void onFindInFiles(FindInFilesEvent event)
{
FindInFilesDialog dialog = new FindInFilesDialog(new OperationWithInput<FindInFilesDialog.State>()
{
@Override
public void execute(final FindInFilesDialog.State input)
{
dialogState_ = input;
stopAndClear();
FileSystemItem searchPath =
FileSystemItem.createDir(input.getPath());
JsArrayString filePatterns = JsArrayString.createArray().cast();
for (String pattern : input.getFilePatterns())
filePatterns.push(pattern);
server_.beginFind(input.getQuery(),
input.isRegex(),
!input.isCaseSensitive(),
searchPath,
filePatterns,
new SimpleRequestCallback<String>()
{
@Override
public void onResponseReceived(String handle)
{
currentFindHandle_ = handle;
updateSearchLabel(input.getQuery(),
input.getPath(),
input.isRegex());
view_.setStopSearchButtonVisible(true);
super.onResponseReceived(handle);
view_.ensureVisible(true);
}
});
}
});
if (!StringUtil.isNullOrEmpty(event.getSearchPattern()))
dialog.setSearchPattern(event.getSearchPattern());
if (dialogState_ == null)
{
dialog.setDirectory(
session_.getSessionInfo().getActiveProjectDir() != null ?
session_.getSessionInfo().getActiveProjectDir() :
workbenchContext_.getCurrentWorkingDir());
}
else
{
dialog.setState(dialogState_);
}
dialog.showModal();
}
public void onDismiss()
{
stopAndClear();
server_.clearFindResults(new VoidServerRequestCallback());
}
private void updateSearchLabel(String query, String path, boolean regex)
{
if (regex)
query = "/" + query + "/";
else
query = "\"" + query + "\"";
view_.updateSearchLabel(query, path);
}
private void stopAndClear()
{
stop();
view_.clearMatches();
view_.clearSearchLabel();
}
private void stop()
{
if (currentFindHandle_ != null)
{
server_.stopFind(currentFindHandle_,
new VoidServerRequestCallback());
currentFindHandle_ = null;
}
view_.setStopSearchButtonVisible(false);
}
private String currentFindHandle_;
private FindInFilesDialog.State dialogState_;
private final Display view_;
private final FindInFilesServerOperations server_;
private final Session session_;
private final WorkbenchContext workbenchContext_;
private EventBus events_;
private static final String GROUP_FIND_IN_FILES = "find-in-files";
private static final String KEY_DIALOG_STATE = "dialog-state";
}