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/*******************************************************************************
* Copyright (c) 2015 Red Hat.
* 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:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.linuxtools.internal.vagrant.ui.wizards;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Map;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.forms.events.ExpansionAdapter;
import org.eclipse.ui.forms.events.ExpansionEvent;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
public class CreateVMAdvancedComposite extends ExpandableComposite {
private CreateVMPageModel model;
private final TableViewer tv;
private static final String KEY = WizardMessages
.getString("CreateVMAdvancedComposite.Key"); //$NON-NLS-1$
private static final String VALUE = WizardMessages
.getString("CreateVMAdvancedComposite.Value"); //$NON-NLS-1$
private static final String DEFAULT_KEY = WizardMessages
.getString("CreateVMAdvancedComposite.DefaultKey"); //$NON-NLS-1$
private static final String DEFAULT_VALUE = WizardMessages
.getString("CreateVMAdvancedComposite.DefaultValue"); //$NON-NLS-1$
private String[] KEY_VALUE = new String[] { KEY, VALUE };
public CreateVMAdvancedComposite(Composite parent,
ScrolledComposite scrollTop,
CreateVMPageModel model) {
super(parent, ExpandableComposite.COMPACT | ExpandableComposite.TWISTIE
| ExpandableComposite.EXPANDED | SWT.BORDER);
this.model = model;
setText(WizardMessages
.getString("CreateVMAdvancedComposite.EnvironmentVariables")); //$NON-NLS-1$
final Composite advancedComposite = new Composite(this, SWT.NONE);
setClient(advancedComposite);
addExpansionListener(new ExpansionAdapter() {
@Override
public void expansionStateChanged(ExpansionEvent e) {
Shell shell = parent.getShell();
Point minSize = shell.getMinimumSize();
shell.setMinimumSize(shell.getSize().x, minSize.y);
Point point = parent.computeSize(SWT.DEFAULT, SWT.DEFAULT);
scrollTop.setSize(point);
scrollTop.setMinSize(point);
shell.pack();
parent.layout();
shell.setMinimumSize(minSize);
}
});
advancedComposite.setLayout(new GridLayout());
tv = new TableViewer(advancedComposite,
SWT.FULL_SELECTION | SWT.BORDER);
tv.setContentProvider(new EnvironmentContentProvider());
tv.setLabelProvider(new EnvironmentLabelProvider());
// Set up the table
Table table = tv.getTable();
GridData gd = new GridData(GridData.FILL_BOTH);
gd.heightHint = 150;
table.setLayoutData(gd);
TableColumn tc1 = new TableColumn(table, SWT.CENTER);
TableColumn tc2 = new TableColumn(table, SWT.CENTER);
tc1.setText(KEY);
tc2.setText(VALUE);
tc1.setWidth(250);
tc2.setWidth(150);
table.setHeaderVisible(true);
table.setLinesVisible(true);
// Create the cell editors
CellEditor[] editors = new CellEditor[2];
editors[0] = new TextCellEditor(table);
editors[1] = new TextCellEditor(table);
// Set the editors, cell modifier, and column properties
tv.setColumnProperties(KEY_VALUE);
tv.setCellModifier(new EnvironmentCellModifier());
tv.setCellEditors(editors);
tv.setInput(ResourcesPlugin.getWorkspace());
table.addMouseListener(new MouseAdapter() {
@Override
public void mouseDoubleClick(MouseEvent e) {
String varToAdd = DEFAULT_KEY;
int i = 1;
if (model.getEnvironment().containsKey(varToAdd)) {
boolean done = false;
while (!done) {
String toTest = varToAdd + " (" + i++ + ")"; //$NON-NLS-1$ //$NON-NLS-2$
if (!model.getEnvironment().containsKey(toTest)) {
model.getEnvironment().put(toTest, DEFAULT_VALUE);
done = true;
}
}
} else {
model.getEnvironment().put(varToAdd, DEFAULT_VALUE);
}
tv.refresh();
}
});
}
public void refresh() {
if (tv != null && !tv.getTable().isDisposed())
tv.refresh();
}
private class EnvironmentContentProvider
implements IStructuredContentProvider {
@Override
public void dispose() {
}
@Override
public void inputChanged(Viewer viewer, Object oldInput,
Object newInput) {
}
@Override
public Object[] getElements(Object inputElement) {
final Map<String, String> env = model.getEnvironment();
if (env != null) {
ArrayList<String> keys = new ArrayList<>(env.keySet());
Collections.sort(keys, new Comparator<String>() {
@Override
public int compare(String o1, String o2) {
// anything with default value should sit at the bottom
boolean o1IsDefaultValue = env.get(o1)
.equals(DEFAULT_VALUE);
boolean o2IsDefaultValue = env.get(o2)
.equals(DEFAULT_VALUE);
if (o1IsDefaultValue) {
if (o2IsDefaultValue)
return o1.compareTo(o2);
return 1;
}
if (o2IsDefaultValue)
return -1;
if (o1.startsWith(DEFAULT_KEY)) {
if (o2.startsWith(DEFAULT_KEY))
return env.get(o1).compareTo(env.get(o2));
return 1;
}
if (o2.startsWith(DEFAULT_KEY))
return -1;
return o1.compareTo(o2);
}
});
return keys.toArray(new String[keys.size()]);
}
return new String[0];
}
}
private class EnvironmentLabelProvider extends LabelProvider
implements ITableLabelProvider {
@Override
public String getColumnText(Object element, int columnIndex) {
if (columnIndex == 0)
return (String) element;
if (columnIndex == 1)
return model.getEnvironment().get(element);
return null;
}
@Override
public Image getColumnImage(Object element, int columnIndex) {
// TODO Auto-generated method stub
return null;
}
}
private class EnvironmentCellModifier implements ICellModifier {
@Override
public boolean canModify(Object element, String property) {
return true;
}
@Override
public Object getValue(Object element, String property) {
if (property == KEY)
return element;
if (property == VALUE) {
return model.getEnvironment().get(element);
}
return ""; //$NON-NLS-1$
}
@Override
public void modify(Object element, String property, Object value) {
String data = (String) ((TableItem) element).getData();
if (property == KEY) {
String v = (String) value;
if (v == null || v.isEmpty()) {
model.getEnvironment().remove(data);
} else {
String currentVal = model.getEnvironment().get(data);
model.getEnvironment().remove(data);
model.getEnvironment().put((String) value, currentVal);
}
} else if (property == VALUE) {
String v = (String) value;
if (v == null || v.isEmpty()) {
model.getEnvironment().remove(data);
} else {
model.getEnvironment().put(data, (String) value);
}
}
tv.refresh();
}
}
}
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