private void setImages(IServiceLocator locator) {
if (icon == null) {
ICommandImageService service =
(ICommandImageService) locator.getService(ICommandImageService.class);
icon = service.getImageDescriptor(command.getId(), ICommandImageService.TYPE_DEFAULT);
disabledIcon =
service.getImageDescriptor(command.getId(), ICommandImageService.TYPE_DISABLED);
hoverIcon = service.getImageDescriptor(command.getId(), ICommandImageService.TYPE_HOVER);
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.ContributionItem#dispose()
*/
public void dispose() {
if (elementRef != null) {
commandService.unregisterElement(elementRef);
elementRef = null;
}
if (commandListener != null) {
command.getCommand().removeCommandListener(commandListener);
commandListener = null;
}
command = null;
commandService = null;
disposeOldImages();
super.dispose();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.ContributionItem#isEnabled()
*/
public boolean isEnabled() {
if (command != null) {
return command.getCommand().isEnabled();
}
return false;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.ContributionItem#update(java.lang.String)
*/
public void update(String id) {
if (widget != null) {
if (widget instanceof MenuItem) {
MenuItem item = (MenuItem) widget;
String text = label;
if (text == null) {
if (command != null) {
try {
text = command.getCommand().getName();
} catch (NotDefinedException e) {
WorkbenchPlugin.log(
"Update item failed " //$NON-NLS-1$
+ getId(),
e);
}
}
}
// TODO: [bm] key bindings
// text = updateMnemonic(text);
//
// String keyBindingText = null;
// if (command != null) {
// TriggerSequence[] bindings = bindingService
// .getActiveBindingsFor(command);
// if (bindings.length > 0) {
// keyBindingText = bindings[0].format();
// }
// }
// if (text != null) {
// if (keyBindingText == null) {
item.setText(text);
// } else {
// item.setText(text + '\t' + keyBindingText);
// }
// }
updateIcons();
if (item.getSelection() != checkedState) {
item.setSelection(checkedState);
}
boolean shouldBeEnabled = isEnabled();
if (item.getEnabled() != shouldBeEnabled) {
item.setEnabled(shouldBeEnabled);
}
} else if (widget instanceof ToolItem) {
ToolItem item = (ToolItem) widget;
if (icon != null) {
updateIcons();
} else if (label != null) {
item.setText(label);
}
if (tooltip != null) item.setToolTipText(tooltip);
else {
String text = label;
if (text == null) {
if (command != null) {
try {
text = command.getCommand().getName();
} catch (NotDefinedException e) {
WorkbenchPlugin.log(
"Update item failed " //$NON-NLS-1$
+ getId(),
e);
}
}
}
if (text != null) {
item.setToolTipText(text);
}
}
if (item.getSelection() != checkedState) {
item.setSelection(checkedState);
}
boolean shouldBeEnabled = isEnabled();
if (item.getEnabled() != shouldBeEnabled) {
item.setEnabled(shouldBeEnabled);
}
}
}
}
/**
* Create a CommandContributionItem to place in a ContributionManager.
*
* @param serviceLocator a service locator that is most appropriate for this contribution.
* Typically the local {@link IWorkbenchWindow} or {@link IWorkbenchPartSite} will be
* sufficient.
* @param id The id for this item. May be <code>null</code>. Items without an id cannot be
* referenced later.
* @param commandId A command id for a defined command. Must not be <code>null</code>.
* @param parameters A map of strings to strings which represent parameter names to values. The
* parameter names must match those in the command definition.
* @param icon An icon for this item. May be <code>null</code>.
* @param disabledIcon A disabled icon for this item. May be <code>null</code>.
* @param hoverIcon A hover icon for this item. May be <code>null</code>.
* @param label A label for this item. May be <code>null</code>.
* @param mnemonic A mnemonic for this item to be applied to the label. May be <code>null</code>.
* @param tooltip A tooltip for this item. May be <code>null</code>. Tooltips are currently only
* valid for toolbar contributions.
* @param style The style of this menu contribution. See the STYLE_* contants.
*/
public CommandContributionItem(
IServiceLocator serviceLocator,
String id,
String commandId,
Map parameters,
ImageDescriptor icon,
ImageDescriptor disabledIcon,
ImageDescriptor hoverIcon,
String label,
String mnemonic,
String tooltip,
int style) {
super(id);
this.icon = icon;
this.disabledIcon = disabledIcon;
this.hoverIcon = hoverIcon;
this.label = label;
this.mnemonic = mnemonic;
this.tooltip = tooltip;
this.style = style;
menuService = (IMenuService) serviceLocator.getService(IMenuService.class);
commandService = (ICommandService) serviceLocator.getService(ICommandService.class);
handlerService = (IHandlerService) serviceLocator.getService(IHandlerService.class);
// bindingService = (IBindingService) serviceLocator
// .getService(IBindingService.class);
createCommand(commandId, parameters);
if (command != null) {
try {
UIElement callback =
new UIElement(serviceLocator) {
public void setChecked(boolean checked) {
CommandContributionItem.this.setChecked(checked);
}
public void setDisabledIcon(ImageDescriptor desc) {
CommandContributionItem.this.setDisabledIcon(desc);
}
public void setHoverIcon(ImageDescriptor desc) {
CommandContributionItem.this.setHoverIcon(desc);
}
public void setIcon(ImageDescriptor desc) {
CommandContributionItem.this.setIcon(desc);
}
public void setText(String text) {
CommandContributionItem.this.setText(text);
}
public void setTooltip(String text) {
CommandContributionItem.this.setTooltip(text);
}
public void setDropDownId(String id) {
dropDownMenuOverride = id;
}
};
elementRef = commandService.registerElementForCommand(command, callback);
command.getCommand().addCommandListener(getCommandListener());
setImages(serviceLocator);
} catch (NotDefinedException e) {
WorkbenchPlugin.log(
"Unable to register menu item \""
+ getId() //$NON-NLS-1$
+ "\", command \""
+ commandId
+ "\" not defined"); //$NON-NLS-1$ //$NON-NLS-2$
}
}
}