/**
* Updates the radio state of the command to the given value
*
* @param command the command whose state should be updated
* @param newState the new state
* @throws ExecutionException When the command doesn't have a radio state
* @since 3.5
*/
public static void updateRadioState(Command command, String newState) throws ExecutionException {
State state = command.getState(RadioState.STATE_ID);
if (state == null)
throw new ExecutionException("The command does not have a radio state"); // $NON-NLS-1$
state.setValue(newState);
}
@Override
public void setEnabled(final Object evaluationContext) {
super.setEnabled(evaluationContext);
if (_isAppPhotoFilterInitialized == false) {
_isAppPhotoFilterInitialized = true;
/*
* initialize app photo filter, this is a hack because the whole app startup should be
* sometimes be streamlined, it's more and more confusing
*/
final Command command =
((ICommandService)
PlatformUI //
.getWorkbench()
.getService(ICommandService.class)) //
.getCommand(ActionHandlerPhotoFilter.COMMAND_ID);
final State state = command.getState(RegistryToggleState.STATE_ID);
final Boolean isPhotoFilterActive = (Boolean) state.getValue();
TourbookPlugin.setActivePhotoFilter(isPhotoFilterActive);
}
}
public final void setText(final String text) {
final State state = command.getCommand().getState(INamedHandleStateIds.NAME);
if (state instanceof TextState) {
final String currentValue = (String) state.getValue();
if (!Util.equals(text, currentValue)) {
state.setValue(text);
}
}
}
public final boolean isChecked() {
final State state = command.getCommand().getState(IMenuStateIds.STYLE);
if (state instanceof ToggleState) {
final Boolean currentValue = (Boolean) state.getValue();
return currentValue.booleanValue();
}
return false;
}
public static boolean isShowPlanNames() {
ICommandService commandService =
(ICommandService)
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getService(ICommandService.class);
Command command = commandService.getCommand("at.ac.tuwien.ieg.asbruedit.show-planname-toggle");
State state = command.getState("org.eclipse.ui.commands.toggleState");
boolean isToggled = (Boolean) state.getValue();
return isToggled;
}
/**
* Toggles the command's state.
*
* @param command The command whose state needs to be toggled
* @return the original value before toggling
* @throws ExecutionException When the command doesn't contain the toggle state or when the state
* doesn't contain a boolean value
* @since 3.5
*/
public static boolean toggleCommandState(Command command) throws ExecutionException {
State state = command.getState(RegistryToggleState.STATE_ID);
if (state == null)
throw new ExecutionException("The command does not have a toggle state"); // $NON-NLS-1$
if (!(state.getValue() instanceof Boolean))
throw new ExecutionException(
"The command's toggle state doesn't contain a boolean value"); //$NON-NLS-1$
boolean oldValue = ((Boolean) state.getValue()).booleanValue();
state.setValue(Boolean.valueOf(!oldValue));
return oldValue;
}
public final void setChecked(final boolean checked) {
final State state = command.getCommand().getState(IMenuStateIds.STYLE);
if (state instanceof ToggleState) {
final Boolean currentValue = (Boolean) state.getValue();
if (checked != currentValue.booleanValue()) {
if (checked) {
state.setValue(Boolean.TRUE);
} else {
state.setValue(Boolean.FALSE);
}
}
}
}
/**
* Checks whether the radio state of the command is same as the radio state parameter's value
*
* @param event The execution event that contains the application context
* @return <code>true</code> whe the values are same, <code>false</code> otherwise
* @throws ExecutionException When the command doesn't have the radio state or the event doesn't
* have the radio state parameter
* @since 3.5
*/
public static boolean matchesRadioState(ExecutionEvent event) throws ExecutionException {
String parameter = event.getParameter(RadioState.PARAMETER_ID);
if (parameter == null)
throw new ExecutionException(
"The event does not have the radio state parameter"); //$NON-NLS-1$
Command command = event.getCommand();
State state = command.getState(RadioState.STATE_ID);
if (state == null)
throw new ExecutionException("The command does not have a radio state"); // $NON-NLS-1$
if (!(state.getValue() instanceof String))
throw new ExecutionException(
"The command's radio state doesn't contain a String value"); //$NON-NLS-1$
return parameter.equals(state.getValue());
}