/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.launchConfigurations;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.debug.core.ILaunchDelegate;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.debug.core.ILaunchMode;
import org.eclipse.debug.internal.core.IConfigurationElementConstants;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.LaunchConfigurationTabExtension;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.ILaunchConfigurationTabGroup;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.activities.IWorkbenchActivitySupport;
import org.eclipse.ui.activities.WorkbenchActivityHelper;
/**
* Manages contributed launch configuration tabs
*
* @see LaunchConfigurationTabGroupWrapper
* @see LaunchConfigurationTabExtension
* @see LaunchConfigurationTabGroupExtension
*/
public class LaunchConfigurationPresentationManager {
/**
* The singleton launch configuration presentation manager
*/
private static LaunchConfigurationPresentationManager fgDefault;
/**
* Collection of launch configuration tab group extensions
* defined in plug-in xml. Entries are keyed by launch
* configuration type identifier (<code>String</code>),
* and entries are tables of launch modes (<code>String</code>)
* to <code>LaunchConfigurationTabGroupExtension</code>. "*" is
* used to represent the default tab group (i.e. unspecified mode).
*/
private Hashtable fTabGroupExtensions;
/**
* contributed tabs are stored by the tab group id that they contribute to.
* each entry is a <code>Hashtable</code> consisting of the corresponding
* <code>LaunchConfigurationTabExtension</code> objects for each contributed tab stored by their
* id
*
* @since 3.3
*/
private Hashtable fContributedTabs;
/**
* Constructs the singleton launch configuration presentation
* manager.
*/
private LaunchConfigurationPresentationManager() {
fgDefault = this;
}
/**
* Returns the launch configuration presentation manager
*/
public static LaunchConfigurationPresentationManager getDefault() {
if (fgDefault == null) {
fgDefault = new LaunchConfigurationPresentationManager();
}
return fgDefault;
}
/**
* Creates launch configuration tab group extensions for each extension
* defined in XML, and adds them to the table of tab group extensions.
*/
private void initializeTabGroupExtensions() {
if(fTabGroupExtensions == null) {
fTabGroupExtensions = new Hashtable();
IExtensionPoint extensionPoint = Platform.getExtensionRegistry().getExtensionPoint(DebugUIPlugin.getUniqueIdentifier(), IDebugUIConstants.EXTENSION_POINT_LAUNCH_CONFIGURATION_TAB_GROUPS);
IConfigurationElement[] groups = extensionPoint.getConfigurationElements();
LaunchConfigurationTabGroupExtension group = null;
String typeId = null;
Map map = null;
List modes = null;
for (int i = 0; i < groups.length; i++) {
group = new LaunchConfigurationTabGroupExtension(groups[i]);
typeId = group.getTypeIdentifier();
map = (Map)fTabGroupExtensions.get(typeId);
if (map == null) {
map = new Hashtable();
fTabGroupExtensions.put(typeId, map);
}
modes = group.getModes();
if(modes.isEmpty()) {
String mode = "*"; //$NON-NLS-1$
reportReplacement((LaunchConfigurationTabGroupExtension) map.put(mode, group), group, mode);
}
Set ms = null;
for(Iterator iter = modes.iterator(); iter.hasNext();) {
ms = (Set) iter.next();
reportReplacement((LaunchConfigurationTabGroupExtension) map.put(ms, group), group, ms);
}
}
}
}
/**
* Reports if a tab group extension has been replaced by another contribution
* @param oldext the old tab group extension from the cache
* @param newext the new one being cached
* @param mode the mode(s) the group applies to
*
* @since 3.6
*/
void reportReplacement(LaunchConfigurationTabGroupExtension oldext, LaunchConfigurationTabGroupExtension newext, Object mode) {
if(oldext != null) {
Status status = new Status(IStatus.ERROR,
DebugUIPlugin.getUniqueIdentifier(),
NLS.bind(LaunchConfigurationsMessages.LaunchConfigurationPresentationManager_0,
new String[]{oldext.getIdentifier(), oldext.getTypeIdentifier(), mode.toString(), newext.getIdentifier()}));
DebugUIPlugin.log(status);
}
}
/**
* This method is used to collect all of the contributed tabs defined by the <code>launchConfigurationTabs</code>
* extension point
*
* @since 3.3
*/
private void initializeContributedTabExtensions() {
fContributedTabs = new Hashtable();
IExtensionPoint epoint = Platform.getExtensionRegistry().getExtensionPoint(DebugUIPlugin.getUniqueIdentifier(), IDebugUIConstants.EXTENSION_POINT_LAUNCH_TABS);
IConfigurationElement[] elements = epoint.getConfigurationElements();
LaunchConfigurationTabExtension tab = null;
Hashtable element = null;
for(int i = 0; i < elements.length; i++) {
tab = new LaunchConfigurationTabExtension(elements[i]);
element = (Hashtable) fContributedTabs.get(tab.getTabGroupId());
if(element == null) {
element = new Hashtable();
element.put(tab.getIdentifier(), tab);
fContributedTabs.put(tab.getTabGroupId(), element);
}
element.put(tab.getIdentifier(), tab);
}
}
/**
* Returns the tab group for the given launch configuration type and mode.
*
* @param type launch configuration type
* @param mode launch mode
* @return the tab group for the given type of launch configuration, or <code>null</code> if none
* @exception CoreException if an exception occurs creating the group
*/
public ILaunchConfigurationTabGroup getTabGroup(ILaunchConfigurationType type, String mode) throws CoreException {
HashSet modes = new HashSet();
modes.add(mode);
LaunchConfigurationTabGroupExtension ext = getExtension(type.getIdentifier(), modes);
if (ext == null) {
IStatus status = new Status(IStatus.ERROR, IDebugUIConstants.PLUGIN_ID, IDebugUIConstants.INTERNAL_ERROR, "No tab group defined for launch configuration type " + type.getIdentifier(), null); //$NON-NLS-1$
throw new CoreException(status);
}
return new LaunchConfigurationTabGroupWrapper(ext.newTabGroup(), ext.getIdentifier(), null);
}
/**
* Returns the tab group for the given launch configuration and the mode the dialog opened in
* @param type the type of the configuration
* @param config
* @param mode
* @return
* @throws CoreException
*/
public ILaunchConfigurationTabGroup getTabGroup(ILaunchConfiguration config, String mode) throws CoreException {
HashSet modes = new HashSet();
modes.add(mode);
LaunchConfigurationTabGroupExtension ext = getExtension(config.getType().getIdentifier(), modes);
if (ext == null) {
IStatus status = new Status(IStatus.ERROR, IDebugUIConstants.PLUGIN_ID, IDebugUIConstants.INTERNAL_ERROR, "No tab group defined for launch configuration type " + config.getType().getIdentifier(), null); //$NON-NLS-1$
throw new CoreException(status);
}
return new LaunchConfigurationTabGroupWrapper(ext.newTabGroup(), ext.getIdentifier(), config);
}
/**
* Returns the proxy elements for all contributed tabs for the specified tab group id
* @param groupid the id of the tab group
* @param config the config the tab group is opened on
* @param mode the mode the associated launch dialog is opened on
* @return the listing of all of the tab extensions or an empty array, never <code>null</code>
*
* @since 3.3
*/
protected LaunchConfigurationTabExtension[] getTabExtensions(String groupid, ILaunchConfiguration config, String mode) throws CoreException {
initializeContributedTabExtensions();
Hashtable tabs = (Hashtable) fContributedTabs.get(groupid);
if(tabs != null) {
return filterLaunchTabExtensions((LaunchConfigurationTabExtension[]) tabs.values().toArray(new LaunchConfigurationTabExtension[tabs.size()]), config, mode);
}
return new LaunchConfigurationTabExtension[0];
}
/**
* Returns a listing of <code>LaunchConfiguraitonTabExtension</code>s that does not contain any tabs
* from disabled activities
* <p>
* There are thre ways that tabs can be filtered form the launch dialog:
* <ol>
* <li>The tabs can belong to tooling that is contributed via a specific type of workbench activity, and is therefore filtered with capabilities</li>
* <li>The tabs can be filtered via the associatedDelegate extension point, if a tab is said to apply only to certain tooling, only show it in the instance when that tooling is used</li>
* <li>A tab is not part of a workbench activity, nor specifies an associated launch delegate -- show the tab</li>
* </ol>
* </p>
* @param tabs the raw listing of tabs to filter
* @return the listing of filtered <code>LaunchConfigurationTabExtension</code>s or an empty array, never <code>null</code>
*
* @since 3.3
*/
protected LaunchConfigurationTabExtension[] filterLaunchTabExtensions(LaunchConfigurationTabExtension[] tabs, ILaunchConfiguration config, String mode) throws CoreException {
IWorkbenchActivitySupport as = PlatformUI.getWorkbench().getActivitySupport();
if(as == null || config == null) {
return tabs;
}
HashSet set = new HashSet();
for(int i = 0; i < tabs.length; i ++) {
//filter capabilities
if(!WorkbenchActivityHelper.filterItem(new LaunchTabContribution(tabs[i]))) {
//filter to preferred delegate (if there is one)
HashSet modes = (HashSet) config.getModes();
modes.add(mode);
ILaunchDelegate delegate = config.getPreferredDelegate(modes);
if(delegate == null) {
delegate = config.getType().getPreferredDelegate(modes);
}
Set delegateSet = tabs[i].getDelegateSet();
if(delegate != null) {
if(delegateSet.isEmpty() || delegateSet.contains(delegate.getId())) {
set.add(tabs[i]);
}
}
else {
//otherwise filter based on the collection of delegates for the modes
ILaunchDelegate[] delegates = config.getType().getDelegates(modes);
for(int j = 0; j < delegates.length; j++) {
if(delegateSet.size() == 0 || delegateSet.contains(delegates[j].getId())) {
//associated with all modes and tab groups or only specific ones if indicated
set.add(tabs[i]);
}
}
}
}
}
return (LaunchConfigurationTabExtension[]) set.toArray(new LaunchConfigurationTabExtension[set.size()]);
}
/**
* Returns the launch tab group extension for the given type and mode, or
* <code>null</code> if none
*
* @param type launch configuration type identifier
* @param mode launch mode identifier
* @return launch tab group extension or <code>null</code>
*/
protected LaunchConfigurationTabGroupExtension getExtension(String type, Set modes) {
initializeTabGroupExtensions();
Map map = (Map)fTabGroupExtensions.get(type);
if (map != null) {
Object extension = map.get(modes);
if (extension == null) {
// get the default tabs
extension = map.get("*"); //$NON-NLS-1$
}
return (LaunchConfigurationTabGroupExtension)extension;
}
return null;
}
/**
* Returns the identifier of the help context that is associated with the
* specified launch configuration type and mode, or <code>null</code> if none.
*
* @param type launch config type
* @param mode launch mode
* @return the identifier for the help context associated with the given
* type of launch configuration, or <code>null</code>
* @exception CoreException if an exception occurs creating the group
* @since 2.1
*/
public String getHelpContext(ILaunchConfigurationType type, String mode) throws CoreException {
HashSet modes = new HashSet();
modes.add(mode);
LaunchConfigurationTabGroupExtension ext = getExtension(type.getIdentifier(), modes);
if (ext == null) {
IStatus status = new Status(IStatus.ERROR, IDebugUIConstants.PLUGIN_ID, IDebugUIConstants.INTERNAL_ERROR, "No tab group defined for launch configuration type " + type.getIdentifier(), null); //$NON-NLS-1$
throw new CoreException(status);
}
return ext.getHelpContextId();
}
/**
* Returns the description of the given configuration type
* in the specified mode or <code>null</code> if none.
*
* @param configType the config type
* @param mode the launch mode
* @return the description of the given configuration type, possible <code>null</code>
*/
public String getDescription(ILaunchConfigurationType configType, String mode) {
HashSet modes = new HashSet();
modes.add(mode);
LaunchConfigurationTabGroupExtension extension = getExtension(configType.getAttribute(IConfigurationElementConstants.ID), modes);
return (extension != null ? extension.getDescription(modes) : null);
}
/**
* Returns a sorted list of launch mode names corresponding to the given identifiers.
*
* @param modes set of launch mode identifiers
* @return sorted list of launch mode names
*/
public List getLaunchModeNames(Set modes) {
List names = new ArrayList();
Iterator iterator = modes.iterator();
ILaunchManager manager = DebugPlugin.getDefault().getLaunchManager();
while (iterator.hasNext()) {
String id = (String) iterator.next();
ILaunchMode mode = manager.getLaunchMode(id);
if (mode == null) {
names.add(id);
} else {
names.add(DebugUIPlugin.removeAccelerators(mode.getLabel()));
}
}
Collections.sort(names);
return names;
}
/**
* Returns the label of the mode id with all accelerators removed
* @param modeid the id of the mode i.e. 'run'
* @return the formatted label of the specified mode id with all accelerators removed, or <code>null</code> if no label is available
* @since 3.3
*/
public String getLaunchModeLabel(String modeid) {
String mode = null;
ILaunchManager manager = DebugPlugin.getDefault().getLaunchManager();
ILaunchMode lmode = manager.getLaunchMode(modeid);
if(lmode != null) {
return lmode.getLabel();
}
return mode;
}
}
