Example usage for org.eclipse.jface.commands RadioState RadioState

Introduction

In this page you can find the example usage for org.eclipse.jface.commands RadioState RadioState.

Prototype

RadioState

Source Link

Usage

From source file:org.eclipse.ui.internal.menus.LegacyActionPersistence.java

License:Open Source License

/**
 * Determine which command to use. This is slightly complicated as actions
 * do not have to have commands, but the new architecture requires it. As
 * such, we will auto-generate a command for the action if the definitionId
 * is missing or points to a command that does not yet exist. All such
 * command identifiers are prefixed with AUTOGENERATED_COMMAND_ID_PREFIX.
 * /*from w w w.j  a  v  a  2s. com*/
 * @param element
 *            The action element from which a command must be generated;
 *            must not be <code>null</code>.
 * @param primaryId
 *            The primary identifier to use when auto-generating a command;
 *            must not be <code>null</code>.
 * @param secondaryId
 *            The secondary identifier to use when auto-generating a
 *            command; must not be <code>null</code>.
 * @param warningsToLog
 *            The collection of warnings logged while reading the extension
 *            point; must not be <code>null</code>.
 * @return the fully-parameterized command; <code>null</code> if an error
 *         occurred.
 */
private final ParameterizedCommand convertActionToCommand(final IConfigurationElement element,
        final String primaryId, final String secondaryId, final List warningsToLog) {
    String commandId = readOptional(element, ATT_DEFINITION_ID);
    Command command = null;
    if (commandId != null) {
        command = commandService.getCommand(commandId);
    }

    final IActionCommandMappingService mappingService = (IActionCommandMappingService) window
            .getService(IActionCommandMappingService.class);

    String label = null;
    if ((commandId == null) || (!command.isDefined())) {
        // Add a mapping from this action id to the command id.
        if (commandId == null && mappingService != null) {
            commandId = mappingService.getGeneratedCommandId(primaryId, secondaryId);
        }
        if (commandId == null) {
            WorkbenchPlugin.log("MappingService unavailable"); //$NON-NLS-1$
            return null;
        }

        // Read the label attribute.
        label = readRequired(element, ATT_LABEL, warningsToLog,
                "Actions require a non-empty label or definitionId", //$NON-NLS-1$
                commandId);
        if (label == null) {
            label = WorkbenchMessages.LegacyActionPersistence_AutogeneratedCommandName;
        }

        /*
         * Read the tooltip attribute. The tooltip is really the description
         * of the command.
         */
        final String tooltip = readOptional(element, ATT_TOOLTIP);

        // Define the command.
        command = commandService.getCommand(commandId);
        final Category category = commandService.getCategory(null);
        final String name = LegacyActionTools.removeAcceleratorText(Action.removeMnemonics(label));
        command.define(name, tooltip, category, null);

        // TODO Decide the command state.
        final String style = readOptional(element, ATT_STYLE);
        if (STYLE_RADIO.equals(style)) {
            final State state = new RadioState();
            // TODO How to set the id?
            final boolean checked = readBoolean(element, ATT_STATE, false);
            state.setValue((checked) ? Boolean.TRUE : Boolean.FALSE);
            command.addState(IMenuStateIds.STYLE, state);

        } else if (STYLE_TOGGLE.equals(style)) {
            final State state = new ToggleState();
            final boolean checked = readBoolean(element, ATT_STATE, false);
            state.setValue((checked) ? Boolean.TRUE : Boolean.FALSE);
            command.addState(IMenuStateIds.STYLE, state);
        }
    }
    // this allows us to look up a "commandId" give the contributionId
    // and the actionId
    if (mappingService != null && commandId != null) {
        mappingService.map(mappingService.getGeneratedCommandId(primaryId, secondaryId), commandId);
    }

    return new ParameterizedCommand(command, null);
}

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