/*******************************************************************************
* Copyright (c) 2000, 2008 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.ui.actions;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.debug.internal.core.IInternalDebugCoreConstants;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.ILaunchHistoryChangedListener;
import org.eclipse.debug.internal.ui.ILaunchLabelChangedListener;
import org.eclipse.debug.internal.ui.actions.ActionMessages;
import org.eclipse.debug.internal.ui.contextlaunching.LaunchingResourceManager;
import org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationManager;
import org.eclipse.debug.internal.ui.launchConfigurations.LaunchHistory;
import org.eclipse.debug.ui.ILaunchGroup;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MenuAdapter;
import org.eclipse.swt.events.MenuEvent;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowPulldownDelegate2;
import com.ibm.icu.text.MessageFormat;
/**
* Abstract implementation of an action that displays a drop-down launch
* history for a specific launch group.
* <p>
* Clients may subclass this class.
* </p>
* @see LaunchingResourceManager
* @see ILaunchLabelChangedListener
* @since 2.1
*/
public abstract class AbstractLaunchHistoryAction implements IWorkbenchWindowPulldownDelegate2, ILaunchHistoryChangedListener {
/**
* The menu created by this action
*/
private Menu fMenu;
/**
* The action used to render this delegate.
*/
private IAction fAction;
/**
* The associated <code>ILaunchGroup</code>
* @since 3.3
*/
private ILaunchGroup fLaunchGroup = null;
/**
* Indicates whether the launch history has changed and
* the sub menu needs to be recreated.
*/
protected boolean fRecreateMenu = false;
/**
* Constructs a launch history action.
*
* @param launchGroupIdentifier unique identifier of the launch group
* extension that this action displays a launch history for.
*/
public AbstractLaunchHistoryAction(String launchGroupIdentifier) {
fLaunchGroup = getLaunchConfigurationManager().getLaunchGroup(launchGroupIdentifier);
}
/**
* A listener to be notified of launch label updates
* @since 3.3
*/
private ILaunchLabelChangedListener fLabelListener = new ILaunchLabelChangedListener() {
public ILaunchGroup getLaunchGroup() {
return fLaunchGroup;
}
public void labelChanged() {
updateTooltip();
}
};
/**
* Sets the action used to render this delegate.
*
* @param action the action used to render this delegate
*/
private void setAction(IAction action) {
fAction = action;
}
/**
* Returns the action used to render this delegate.
*
* @return the action used to render this delegate
*/
protected IAction getAction() {
return fAction;
}
/**
* Adds the given action to the specified menu with an accelerator specified
* by the given number.
*
* @param menu the menu to add the action to
* @param action the action to add
* @param accelerator the number that should appear as an accelerator
*/
protected void addToMenu(Menu menu, IAction action, int accelerator) {
StringBuffer label= new StringBuffer();
if (accelerator >= 0 && accelerator < 10) {
//add the numerical accelerator
label.append('&');
label.append(accelerator);
label.append(' ');
}
label.append(action.getText());
action.setText(label.toString());
ActionContributionItem item= new ActionContributionItem(action);
item.fill(menu, -1);
}
/**
* Initialize this action so that it can dynamically set its tool-tip. Also set the enabled state
* of the underlying action based on whether there are any registered launch configuration types that
* understand how to launch in the mode of this action.
*/
private void initialize(IAction action) {
getLaunchConfigurationManager().addLaunchHistoryListener(this);
setAction(action);
updateTooltip();
action.setEnabled(existsConfigTypesForMode());
}
/**
* Return whether there are any registered launch configuration types for
* the mode of this action.
*
* @return whether there are any registered launch configuration types for
* the mode of this action
*/
private boolean existsConfigTypesForMode() {
ILaunchConfigurationType[] configTypes = DebugPlugin.getDefault().getLaunchManager().getLaunchConfigurationTypes();
for (int i = 0; i < configTypes.length; i++) {
if (configTypes[i].supportsMode(getMode())) {
return true;
}
}
return false;
}
/**
* Updates this action's tool-tip. The tooltip is based on user preference settings
* for launching - either the previous launch, or based on the selection and which
* configuration will be launched.
* <p>
* Subclasses may override as required.
* </p>
*/
protected void updateTooltip() {
getAction().setToolTipText(getToolTip());
}
/**
* Returns the tooltip specific to a configuration.
*
* @param configuration a <code>ILauncConfiguration</code>
* @return the string for the tool tip
*/
protected String getToolTip(ILaunchConfiguration configuration) {
String launchName= configuration.getName();
String mode= getMode();
String label;
if (mode.equals(ILaunchManager.RUN_MODE)) {
label= ActionMessages.AbstractLaunchHistoryAction_1;
} else if (mode.equals(ILaunchManager.DEBUG_MODE)){
label= ActionMessages.AbstractLaunchHistoryAction_2;
} else if (mode.equals(ILaunchManager.PROFILE_MODE)){
label= ActionMessages.AbstractLaunchHistoryAction_3;
} else {
label= ActionMessages.AbstractLaunchHistoryAction_4;
}
return MessageFormat.format(ActionMessages.AbstractLaunchHistoryAction_0, new String[] {label, launchName});
}
/**
* Returns this action's tooltip. The tooltip is retrieved from the launch resource manager
* which builds tool tips asynchronously for context launching support.
*
* @return the string for the tool tip
*/
private String getToolTip() {
String launchName = getLaunchingResourceManager().getLaunchLabel(fLaunchGroup);
if(launchName == null) {
return DebugUIPlugin.removeAccelerators(internalGetHistory().getLaunchGroup().getLabel());
}
String label = null;
String mode = getMode();
if (mode.equals(ILaunchManager.RUN_MODE)) {
label = ActionMessages.AbstractLaunchHistoryAction_1;
} else if (mode.equals(ILaunchManager.DEBUG_MODE)){
label = ActionMessages.AbstractLaunchHistoryAction_2;
} else if (mode.equals(ILaunchManager.PROFILE_MODE)){
label = ActionMessages.AbstractLaunchHistoryAction_3;
} else {
label = ActionMessages.AbstractLaunchHistoryAction_4;
}
if(IInternalDebugCoreConstants.EMPTY_STRING.equals(launchName)) {
return MessageFormat.format(ActionMessages.AbstractLaunchHistoryAction_5, new String[] {label});
}
else {
return MessageFormat.format(ActionMessages.AbstractLaunchHistoryAction_0, new String[] {label, launchName});
}
}
/**
* @see ILaunchHistoryChangedListener#launchHistoryChanged()
*/
public void launchHistoryChanged() {
fRecreateMenu = true;
}
/**
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
public void dispose() {
setMenu(null);
getLaunchConfigurationManager().removeLaunchHistoryListener(this);
getLaunchingResourceManager().removeLaunchLabelChangedListener(fLabelListener);
}
/**
* Return the last launch in this action's launch history.
*
* @return the most recent configuration that was launched from this
* action's launch history that is not filtered from the menu
*/
protected ILaunchConfiguration getLastLaunch() {
return getLaunchConfigurationManager().getFilteredLastLaunch(getLaunchGroupIdentifier());
}
/**
* @see org.eclipse.ui.IWorkbenchWindowPulldownDelegate#getMenu(org.eclipse.swt.widgets.Control)
*/
public Menu getMenu(Control parent) {
setMenu(new Menu(parent));
fillMenu(fMenu);
initMenu();
return fMenu;
}
/**
* @see org.eclipse.jface.action.IMenuCreator#getMenu(org.eclipse.swt.widgets.Menu)
*/
public Menu getMenu(Menu parent) {
setMenu(new Menu(parent));
fillMenu(fMenu);
initMenu();
return fMenu;
}
/**
* Creates the menu for the action
*/
private void initMenu() {
// Add listener to re-populate the menu each time
// it is shown because of dynamic history list
fMenu.addMenuListener(new MenuAdapter() {
public void menuShown(MenuEvent e) {
if (fRecreateMenu) {
Menu m = (Menu)e.widget;
MenuItem[] items = m.getItems();
for (int i=0; i < items.length; i++) {
items[i].dispose();
}
fillMenu(m);
fRecreateMenu= false;
}
}
});
}
/**
* Sets this action's drop-down menu, disposing the previous menu.
*
* @param menu the new menu
*/
private void setMenu(Menu menu) {
if (fMenu != null) {
fMenu.dispose();
}
fMenu = menu;
}
/**
* Fills the drop-down menu with favorites and launch history
*
* @param menu the menu to fill
*/
protected void fillMenu(Menu menu) {
ILaunchConfiguration[] historyList= getHistory();
ILaunchConfiguration[] favoriteList = getFavorites();
// Add favorites
int accelerator = 1;
for (int i = 0; i < favoriteList.length; i++) {
ILaunchConfiguration launch= favoriteList[i];
LaunchAction action= new LaunchAction(launch, getMode());
addToMenu(menu, action, accelerator);
accelerator++;
}
// Separator between favorites and history
if (favoriteList.length > 0 && historyList.length > 0) {
addSeparator(menu);
}
// Add history launches next
for (int i = 0; i < historyList.length; i++) {
ILaunchConfiguration launch= historyList[i];
LaunchAction action= new LaunchAction(launch, getMode());
addToMenu(menu, action, accelerator);
accelerator++;
}
if(accelerator == 1) {
IAction action = new Action(ActionMessages.AbstractLaunchHistoryAction_6) {};
action.setEnabled(false);
ActionContributionItem item= new ActionContributionItem(action);
item.fill(menu, -1);
}
}
/**
* Adds a separator to the given menu
*
* @param menu
*/
protected void addSeparator(Menu menu) {
new MenuItem(menu, SWT.SEPARATOR);
}
/**
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
// do nothing - this is just a menu
}
/**
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection){
if (fAction == null) {
initialize(action);
}
}
/**
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
public void init(IWorkbenchWindow window) {
if (this instanceof AbstractLaunchToolbarAction) {
getLaunchingResourceManager().addLaunchLabelUpdateListener(fLabelListener);
}
}
/**
* Returns the launch history associated with this action's launch group.
*
* @return the launch history associated with this action's launch group
* @deprecated this method returns a class that is not API and is not intended
* for clients of the debug platform. Instead, use <code>getHistory()</code>,
* <code>getFavorites()</code>, and <code>getLastLaunch()</code>.
*/
protected LaunchHistory getLaunchHistory() {
return getLaunchConfigurationManager().getLaunchHistory(getLaunchGroupIdentifier());
}
/**
* Returns the launch history associated with this action's launch group.
*
* @return the launch history associated with this action's launch group
* @since 3.3
*/
private LaunchHistory internalGetHistory() {
return getLaunchConfigurationManager().getLaunchHistory(getLaunchGroupIdentifier());
}
/**
* Returns the launch history associated with this action's launch mode and group in most
* recently launched order. Configurations associated with disabled activities are not included
* in the list. As well, configurations are filtered based on workspace preference settings
* to filter configurations from closed projects, deleted projects, working sets and to filter
* specific launch configuration types.
*
* @return launch history
* @since 3.3
*/
protected ILaunchConfiguration[] getHistory() {
return LaunchConfigurationManager.filterConfigs(internalGetHistory().getHistory());
}
/**
* Returns the launch favorites associated with this action's launch mode and group in user
* preference order. Configurations associated with disabled activities are not included
* in the list. As well, configurations are filtered based on workspace preference settings
* to filter configurations from closed projects, deleted projects, working sets and to filter
* specific launch configuration types.
*
* @return favorite launch configurations
* @since 3.3
*/
protected ILaunchConfiguration[] getFavorites() {
return LaunchConfigurationManager.filterConfigs(internalGetHistory().getFavorites());
}
/**
* Returns the mode (e.g., 'run' or 'debug') of this drop down.
*
* @return the mode of this action
*/
protected String getMode() {
return internalGetHistory().getLaunchGroup().getMode();
}
/**
* Returns the launch configuration manager.
*
* @return launch configuration manager
*/
private LaunchConfigurationManager getLaunchConfigurationManager() {
return DebugUIPlugin.getDefault().getLaunchConfigurationManager();
}
/**
* Returns the <code>ContextualLaunchingResourceManager</code>
*
* @return <code>ContextualLaunchingResourceManager</code>
*/
private LaunchingResourceManager getLaunchingResourceManager() {
return DebugUIPlugin.getDefault().getLaunchingResourceManager();
}
/**
* Returns the identifier of the launch group this action is associated
* with.
*
* @return the identifier of the launch group this action is associated
* with
*/
protected String getLaunchGroupIdentifier() {
return fLaunchGroup.getIdentifier();
}
}
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