Example usage for org.eclipse.jface.action IAction DESCRIPTION

Introduction

In this page you can find the example usage for org.eclipse.jface.action IAction DESCRIPTION.

Prototype

String DESCRIPTION

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Document

Property name of an action's description (value "description").

Usage

From source file:org.eclipse.ui.internal.handlers.CommandLegacyActionWrapper.java

License:Open Source License

public final void setActionDefinitionId(final String id) {
    // Get the old values.
    final boolean oldChecked = isChecked();
    final String oldDescription = getDescription();
    final boolean oldEnabled = isEnabled();
    final boolean oldHandled = isHandled();
    final ImageDescriptor oldDefaultImage = getImageDescriptor();
    final ImageDescriptor oldDisabledImage = getDisabledImageDescriptor();
    final ImageDescriptor oldHoverImage = getHoverImageDescriptor();
    final String oldText = getText();

    // Update the command.
    final Command oldBaseCommand = command.getCommand();
    oldBaseCommand.removeCommandListener(commandListener);
    final ICommandService commandService = (ICommandService) serviceLocator.getService(ICommandService.class);
    final Command newBaseCommand = commandService.getCommand(id);
    command = new ParameterizedCommand(newBaseCommand, null);
    newBaseCommand.addCommandListener(commandListener);

    // Get the new values.
    final boolean newChecked = isChecked();
    final String newDescription = getDescription();
    final boolean newEnabled = isEnabled();
    final boolean newHandled = isHandled();
    final ImageDescriptor newDefaultImage = getImageDescriptor();
    final ImageDescriptor newDisabledImage = getDisabledImageDescriptor();
    final ImageDescriptor newHoverImage = getHoverImageDescriptor();
    final String newText = getText();

    // Fire property change events, as necessary.
    if (newChecked != oldChecked) {
        if (oldChecked) {
            firePropertyChange(IAction.CHECKED, Boolean.TRUE, Boolean.FALSE);
        } else {//  w  w  w .  j  av a2 s  . c  o m
            firePropertyChange(IAction.CHECKED, Boolean.FALSE, Boolean.TRUE);
        }
    }

    if (!Util.equals(oldDescription, newDescription)) {
        firePropertyChange(IAction.DESCRIPTION, oldDescription, newDescription);
        firePropertyChange(IAction.TOOL_TIP_TEXT, oldDescription, newDescription);
    }

    if (newEnabled != oldEnabled) {
        if (oldEnabled) {
            firePropertyChange(IAction.ENABLED, Boolean.TRUE, Boolean.FALSE);
        } else {
            firePropertyChange(IAction.ENABLED, Boolean.FALSE, Boolean.TRUE);
        }
    }

    if (newHandled != oldHandled) {
        if (oldHandled) {
            firePropertyChange(IAction.HANDLED, Boolean.TRUE, Boolean.FALSE);
        } else {
            firePropertyChange(IAction.HANDLED, Boolean.FALSE, Boolean.TRUE);
        }
    }

    if (!Util.equals(oldDefaultImage, newDefaultImage)) {
        firePropertyChange(IAction.IMAGE, oldDefaultImage, newDefaultImage);
    }

    if (!Util.equals(oldDisabledImage, newDisabledImage)) {
        firePropertyChange(IAction.IMAGE, oldDisabledImage, newDisabledImage);
    }

    if (!Util.equals(oldHoverImage, newHoverImage)) {
        firePropertyChange(IAction.IMAGE, oldHoverImage, newHoverImage);
    }

    if (!Util.equals(oldText, newText)) {
        firePropertyChange(IAction.TEXT, oldText, newText);
    }
}

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