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package org.eclipse.debug.ui;
/*******************************************************************************
* Copyright (c) 2000, 2003 Keith Seitz and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* Keith Seitz (keiths@redhat.com) - initial implementation
* IBM Corporation - integration and code cleanup
*******************************************************************************/
import java.util.HashMap;
import java.util.Map;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.jface.viewers.ColumnLayoutData;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
/**
* Launch configuration tab for configuring the environment passed
* into Runtime.exec(...) when a config is launched.
*/
public class EnvironmentTab extends AbstractLaunchConfigurationTab {
private TableViewer environmentTable;
private String[] envTableColumnHeaders =
{
"Variable",
"Value",
};
private ColumnLayoutData[] envTableColumnLayouts =
{
new ColumnWeightData(50),
new ColumnWeightData(50)
};
private static final String P_VARIABLE = "variable"; //$NON-NLS-1$
private static final String P_VALUE = "value"; //$NON-NLS-1$
private static String[] envTableColumnProperties =
{
P_VARIABLE,
P_VALUE
};
private Button envAddButton;
private Button envEditButton;
private Button envRemoveButton;
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
// Create main composite
Composite mainComposite = new Composite(parent, SWT.NONE);
setControl(mainComposite);
GridLayout layout = new GridLayout();
layout.numColumns = 2;
GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
mainComposite.setLayout(layout);
mainComposite.setLayoutData(gridData);
mainComposite.setFont(parent.getFont());
// Create table composite
Composite tableComposite = new Composite(mainComposite, SWT.NONE);
GridLayout glayout = new GridLayout();
glayout.marginHeight = 0;
glayout.marginWidth = 0;
glayout.numColumns = 1;
GridData gdata = new GridData(GridData.FILL_HORIZONTAL);
gdata.heightHint = 150;
tableComposite.setLayout(glayout);
tableComposite.setLayoutData(gdata);
// Create label
Label label = new Label(tableComposite, SWT.NONE);
label.setText("Environment");
// Create table
environmentTable = new TableViewer(tableComposite);
Table table = environmentTable.getTable();
TableLayout tableLayout = new TableLayout();
table.setLayout(tableLayout);
table.setHeaderVisible(true);
gdata = new GridData(GridData.FILL_BOTH);
environmentTable.getControl().setLayoutData(gdata);
environmentTable.setContentProvider(new EnvironmentVariableContentProvider());
environmentTable.setLabelProvider(new EnvironmentVariableLabelProvider());
environmentTable.setColumnProperties(envTableColumnProperties);
environmentTable.addSelectionChangedListener(new ISelectionChangedListener()
{
public void selectionChanged(SelectionChangedEvent event)
{
boolean enabled = !(environmentTable.getSelection().isEmpty());
envEditButton.setEnabled(enabled);
envRemoveButton.setEnabled(enabled);
}
});
// Create columns
for (int i = 0; i < envTableColumnHeaders.length; i++)
{
tableLayout.addColumnData(envTableColumnLayouts[i]);
TableColumn tc = new TableColumn(table, SWT.NONE, i);
tc.setResizable(envTableColumnLayouts[i].resizable);
tc.setText(envTableColumnHeaders[i]);
}
// Cell Editors
TextCellEditor[] cellEditors = new TextCellEditor[envTableColumnHeaders.length];
cellEditors[0] = new TextCellEditor(table);
cellEditors[1] = new TextCellEditor(table);
environmentTable.setCellEditors(cellEditors);
environmentTable.setCellModifier(new ICellModifier()
{
public boolean canModify(Object element, String property) { return true; }
public Object getValue(Object element, String property)
{
String result = null;
EnvironmentVariable var = (EnvironmentVariable) element;
if (property.equals(P_VARIABLE))
result = var.getName();
else if (property.equals(P_VALUE))
result = var.getValue();
return result;
}
public void modify(Object element, String property, Object value)
{
TableItem ti = (TableItem) element;
EnvironmentVariable var = (EnvironmentVariable) ti.getData();
if (property.equals(P_VARIABLE))
var.setName((String) value);
else if (property.equals(P_VALUE))
var.setValue((String) value);
else return;
// update viewer's display and update the dialog
String properties[] = new String[1];
properties[0] = property;
environmentTable.update(var, properties);
updateLaunchConfigurationDialog();
}
});
// Create button composite
Composite buttonComposite = new Composite(mainComposite, SWT.NONE);
glayout = new GridLayout();
glayout.marginHeight = 0;
glayout.marginWidth = 0;
glayout.numColumns = 1;
gdata = new GridData(GridData.VERTICAL_ALIGN_BEGINNING | GridData.HORIZONTAL_ALIGN_END);
buttonComposite.setLayout(glayout);
buttonComposite.setLayoutData(gdata);
createVerticalSpacer(buttonComposite, 1);
// Create buttons
envAddButton = createPushButton(buttonComposite, "New", null);
envAddButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent event)
{
handleEnvAddButtonSelected();
}
});
envEditButton = createPushButton(buttonComposite, "Edit", null);
envEditButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent event)
{
handleEnvEditButtonSelected();
}
});
envEditButton.setEnabled(false);
envRemoveButton = createPushButton(buttonComposite, "Remove", null);
envRemoveButton.addSelectionListener(new SelectionAdapter()
{
public void widgetSelected(SelectionEvent event)
{
handleEnvRemoveButtonSelected();
}
});
envRemoveButton.setEnabled(false);
}
/**
* Method handleEnvAddButtonSelected.
*/
private void handleEnvAddButtonSelected() {
String name = new String("variable");
String value = new String("value");
EnvironmentVariable var = new EnvironmentVariable(name, value);
environmentTable.add(var);
environmentTable.editElement(var, 0);
}
/**
* Method handleEnvEditButtonSelected.
*/
private void handleEnvEditButtonSelected() {
IStructuredSelection sel =
(IStructuredSelection) environmentTable.getSelection();
EnvironmentVariable var =
(EnvironmentVariable) sel.getFirstElement();
environmentTable.editElement(var, 1);
}
/**
* Method handleEnvRemoveButtonSelected.
*/
private void handleEnvRemoveButtonSelected() {
IStructuredSelection sel =
(IStructuredSelection) environmentTable.getSelection();
EnvironmentVariable var =
(EnvironmentVariable) sel.getFirstElement();
environmentTable.remove(var);
}
/**
* Method updateEnvironment.
* @param configuration
*/
private void updateEnvironment(ILaunchConfiguration configuration) {
environmentTable.setInput(configuration);
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
*/
public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
*/
public void initializeFrom(ILaunchConfiguration configuration) {
updateEnvironment(configuration);
}
/**
* Stores the environment in the given configuration
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
*/
public void performApply(ILaunchConfigurationWorkingCopy configuration) {
// Convert the table's items into a Map so that this can be saved in the
// configuration's attributes.
HashMap map = new HashMap();
TableItem[] items = environmentTable.getTable().getItems();
for (int i = 0; i < items.length; i++)
{
EnvironmentVariable var = (EnvironmentVariable) items[i].getData();
map.put(var.getName(), var.getValue());
}
if (map.size() == 0) {
configuration.setAttribute(IDebugUIConstants.ATTR_ENVIRONMENT_VARIABLES, (Map) null);
} else {
configuration.setAttribute(IDebugUIConstants.ATTR_ENVIRONMENT_VARIABLES, map);
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
*/
public String getName() {
return "Environment";
}
}
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