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/*******************************************************************************
* Copyright (C) 2007, 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Roger C. Soares <rogersoares@intelinet.com.br>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2010, Mathias Kinzler <mathias.kinzler@sap.com>
* Copyright (C) 2010, Matthias Sohn <matthias.sohn@sap.com>
* Copyright (C) 2012, Robin Stocker <robin@nibor.org>
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package org.eclipse.egit.ui.internal.components;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.transport.RemoteConfig;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
/**
* A reusable composite containing a combo for selecting a remote from a given
* list of remote configs.
*/
public class RemoteSelectionCombo extends Composite {
/**
* Interface for listening to selection changes.
*/
public static interface IRemoteSelectionListener {
/**
* @param remoteConfig
* the remote which has been selected
*/
void remoteSelected(RemoteConfig remoteConfig);
}
/**
* Type of remote selection
*/
public static enum SelectionType {
/**
* Shows the fetch URI
*/
FETCH,
/**
* Shows the push URI if available
*/
PUSH
}
private static final int REMOTE_CONFIG_TEXT_MAX_LENGTH = 80;
private SelectionType selectionType;
private final Combo remoteCombo;
private List<IRemoteSelectionListener> selectionListeners = new ArrayList<>();
private List<RemoteConfig> remoteConfigs;
/**
* Create the widget.
*
* @param parent
* the parent composite
* @param style
* @param selectionType
* type of remote selection (fetch or push)
*/
public RemoteSelectionCombo(Composite parent, int style,
SelectionType selectionType) {
super(parent, style);
this.selectionType = selectionType;
setLayout(new FillLayout());
remoteCombo = new Combo(this, SWT.READ_ONLY | SWT.DROP_DOWN);
remoteCombo.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
RemoteConfig remoteConfig = getSelectedRemote();
remoteSelected(remoteConfig);
}
});
}
/**
* Set the available items.
*
* @param remoteConfigs
* @return the initially selected remote config, defaults to the origin
* remote if there is one
*/
public RemoteConfig setItems(List<RemoteConfig> remoteConfigs) {
this.remoteConfigs = remoteConfigs;
final String items[] = new String[remoteConfigs.size()];
int i = 0;
for (final RemoteConfig rc : remoteConfigs)
items[i++] = getTextForRemoteConfig(rc);
remoteCombo.setItems(items);
RemoteConfig defaultRemoteConfig = getDefaultRemoteConfig();
setSelectedRemote(defaultRemoteConfig);
return defaultRemoteConfig;
}
/**
* Adds a selection listener.
*
* @param selectionListener
*/
public void addRemoteSelectionListener(
IRemoteSelectionListener selectionListener) {
selectionListeners.add(selectionListener);
}
/**
* @return the currently selected remote config, or null
*/
public RemoteConfig getSelectedRemote() {
final int idx = remoteCombo.getSelectionIndex();
if (remoteConfigs != null && idx != -1) {
return remoteConfigs.get(idx);
}
return null;
}
/**
* Set the selected remote
*
* @param remoteConfig
* config to set, must be one of those passed to
* {@link #setItems(List)}
*/
public void setSelectedRemote(RemoteConfig remoteConfig) {
int index = remoteConfigs.indexOf(remoteConfig);
if (index != -1)
remoteCombo.select(index);
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
remoteCombo.setEnabled(enabled);
}
private RemoteConfig getDefaultRemoteConfig() {
if (remoteConfigs == null || remoteConfigs.isEmpty())
return null;
for (final RemoteConfig rc : remoteConfigs)
if (Constants.DEFAULT_REMOTE_NAME.equals(rc.getName()))
return rc;
return remoteConfigs.get(0);
}
private String getTextForRemoteConfig(final RemoteConfig rc) {
final StringBuilder sb = new StringBuilder(rc.getName());
sb.append(": "); //$NON-NLS-1$
boolean first = true;
List<URIish> uris;
if (selectionType == SelectionType.FETCH)
uris = rc.getURIs();
else {
uris = rc.getPushURIs();
// if no push URIs are defined, use fetch URIs instead
if (uris.isEmpty())
uris = rc.getURIs();
}
for (final URIish u : uris) {
final String uString = u.toString();
if (first)
first = false;
else {
sb.append(", "); //$NON-NLS-1$
if (sb.length() + uString.length() > REMOTE_CONFIG_TEXT_MAX_LENGTH) {
sb.append("..."); //$NON-NLS-1$
break;
}
}
sb.append(uString);
}
return sb.toString();
}
private void remoteSelected(RemoteConfig remoteConfig) {
for (IRemoteSelectionListener listener : selectionListeners)
listener.remoteSelected(remoteConfig);
}
}
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