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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.skynet.branch;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.osee.framework.core.data.IOseeBranch;
import org.eclipse.osee.framework.core.model.Branch;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.logging.OseeLevel;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.artifact.BranchManager;
import org.eclipse.osee.framework.ui.skynet.internal.Activator;
import org.eclipse.osee.framework.ui.swt.ALayout;
import org.eclipse.osee.framework.ui.swt.Displays;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
/**
* @author Roberto E. Escobar
*/
public class BranchSelectComposite extends Composite {
protected static final int SIZING_TEXT_FIELD_WIDTH = 250;
private Button branchSelectButton;
private Text branchSelectTextWidget;
private IOseeBranch selectedBranch;
private final Set<Listener> listeners;
private final boolean allowOnlyWorkingBranches;
public BranchSelectComposite(Composite parent, int style, boolean allowOnlyWorkingBranches) {
super(parent, style);
this.allowOnlyWorkingBranches = allowOnlyWorkingBranches;
this.listeners = Collections.synchronizedSet(new HashSet<Listener>());
createControl(this);
}
public static BranchSelectComposite createWorkingBranchSelectComposite(Composite parent, int style) {
return new BranchSelectComposite(parent, style, true);
}
public static BranchSelectComposite createBranchSelectComposite(Composite parent, int style) {
return new BranchSelectComposite(parent, style, false);
}
private void createControl(Composite parent) {
parent.setLayout(ALayout.getZeroMarginLayout(2, false));
parent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
branchSelectTextWidget = new Text(parent, SWT.BORDER | SWT.READ_ONLY);
GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL);
data.widthHint = SIZING_TEXT_FIELD_WIDTH;
branchSelectTextWidget.setLayoutData(data);
branchSelectTextWidget.setBackground(Displays.getSystemColor(SWT.COLOR_WHITE));
branchSelectTextWidget.setText(" -- Select A Branch -- ");
branchSelectTextWidget.setDoubleClickEnabled(false);
branchSelectTextWidget.addListener(SWT.MouseDoubleClick, new Listener() {
@Override
public void handleEvent(Event event) {
handleSelectedBranch(event);
notifyListener(event);
}
});
branchSelectButton = new Button(parent, SWT.PUSH);
branchSelectButton.setText("Select Branch...");
branchSelectButton.addListener(SWT.Selection, new Listener() {
@Override
public void handleEvent(Event event) {
handleSelectedBranch(event);
notifyListener(event);
}
});
branchSelectButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
branchSelectButton.addListener(SWT.MouseUp, new Listener() {
@Override
public void handleEvent(Event event) {
if (event.button == 3) {
try {
setSelected(BranchManager.getCommonBranch());
notifyListener(event);
} catch (OseeCoreException ex) {
OseeLog.log(Activator.class, OseeLevel.SEVERE_POPUP, ex);
}
}
}
});
}
public IOseeBranch getSelectedBranch() {
return selectedBranch;
}
private boolean areOnlyWorkingBranchesAllowed() {
return allowOnlyWorkingBranches;
}
private void handleSelectedBranch(Event event) {
if (event.widget == branchSelectButton || event.widget == branchSelectTextWidget && branchSelectTextWidget.getDoubleClickEnabled()) {
if (areOnlyWorkingBranchesAllowed()) {
Branch newBranch = BranchSelectionDialog.getWorkingBranchFromUser();
if (newBranch != null) {
setSelected(newBranch);
}
} else {
Branch newBranch = BranchSelectionDialog.getBranchFromUser();
if (newBranch != null) {
setSelected(newBranch);
}
}
}
}
public void setSelected(IOseeBranch branch) {
selectedBranch = branch;
if (branch == null) {
branchSelectTextWidget.setText(" -- Select A Branch -- ");
} else {
branchSelectTextWidget.setText(selectedBranch.getName());
}
}
private void notifyListener(Event event) {
synchronized (listeners) {
for (Listener listener : listeners) {
listener.handleEvent(event);
}
}
}
public void addListener(Listener listener) {
synchronized (listeners) {
listeners.add(listener);
}
}
public void removeListener(Listener listener) {
synchronized (listeners) {
listeners.remove(listener);
}
}
/**
* @param defaultSelectedBranch the defaultSelectedBranch to set
*/
public void setDefaultSelectedBranch(IOseeBranch defaultSelectedBranch) {
setSelected(defaultSelectedBranch);
}
/**
* @return the branchSelectLabel
*/
public Text getBranchSelectText() {
return branchSelectTextWidget;
}
/**
* @return the branchSelectLabel
*/
public Button getBranchSelectButton() {
return branchSelectButton;
}
}
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