Ch4_Contributions.java Source code

Introduction

Here is the source code for Ch4_Contributions.java

Source

/*
SWT/JFace in Action
GUI Design with Eclipse 3.0
Matthew Scarpino, Stephen Holder, Stanford Ng, and Laurent Mihalkovic
    
ISBN: 1932394273
    
Publisher: Manning
*/

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.StatusLineManager;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;

public class Ch4_Contributions extends ApplicationWindow {
    StatusLineManager slm = new StatusLineManager();

    Ch4_StatusAction status_action = new Ch4_StatusAction(slm);

    ActionContributionItem aci = new ActionContributionItem(status_action);

    public Ch4_Contributions() {
        super(null);
        addStatusLine();
        addMenuBar();
        addToolBar(SWT.FLAT | SWT.WRAP);
    }

    protected Control createContents(Composite parent) {
        getShell().setText("Action/Contribution Example");
        parent.setSize(290, 150);
        aci.fill(parent);
        return parent;
    }

    public static void main(String[] args) {
        Ch4_Contributions swin = new Ch4_Contributions();
        swin.setBlockOnOpen(true);
        swin.open();
        Display.getCurrent().dispose();
    }

    protected MenuManager createMenuManager() {
        MenuManager main_menu = new MenuManager(null);
        MenuManager action_menu = new MenuManager("Menu");
        main_menu.add(action_menu);
        action_menu.add(status_action);
        return main_menu;
    }

    protected ToolBarManager createToolBarManager(int style) {
        ToolBarManager tool_bar_manager = new ToolBarManager(style);
        tool_bar_manager.add(status_action);
        return tool_bar_manager;
    }

    protected StatusLineManager createStatusLineManager() {
        return slm;
    }
}

class Ch4_StatusAction extends Action {
    StatusLineManager statman;

    short triggercount = 0;

    public Ch4_StatusAction(StatusLineManager sm) {
        super("&Trigger@Ctrl+T", AS_PUSH_BUTTON);
        statman = sm;
        setToolTipText("Trigger the Action");
        setImageDescriptor(ImageDescriptor.createFromFile(this.getClass(), "eclipse.gif"));
    }

    public void run() {
        triggercount++;
        statman.setMessage("The status action has fired. Count: " + triggercount);
    }
}