Shared Status Line

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最新推荐文章于 2024-07-18 09:13:55 发布

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分类专栏： eclipse插件文章标签： button class access application string null

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本文介绍如何在Eclipse RCP应用中使用共享状态栏区域来显示消息，并提供了一个具体的示例，展示了如何通过视图部分设置状态栏文本。

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The shared message area can be used by all parts of the application to write messages to this area.

Whole RCP application has access to the information in the shared status line therefore the information in the shared status line might be overwritten.

The following write a text to the status line.

				


package de.vogella.rcp.intro.statusline;

import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.swt.graphics.Point;
import org.eclipse.ui.application.ActionBarAdvisor;
import org.eclipse.ui.application.IActionBarConfigurer;
import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
import org.eclipse.ui.application.WorkbenchWindowAdvisor;

public class ApplicationWorkbenchWindowAdvisor extends WorkbenchWindowAdvisor {

    public ApplicationWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
        super(configurer);
    }

    public ActionBarAdvisor createActionBarAdvisor(IActionBarConfigurer configurer) {
        return new ApplicationActionBarAdvisor(configurer);
    }
    
    @Override
    public void preWindowOpen() {
        IWorkbenchWindowConfigurer configurer = getWindowConfigurer();
        configurer.setInitialSize(new Point(400, 300));
        configurer.setShowCoolBar(false);
        configurer.setShowStatusLine(false);
        configurer.setTitle("Status Line Example");
        configurer.setShowStatusLine(true);
    }
    
 // This is the new method
	@Override
	public void postWindowOpen() {
		IStatusLineManager statusline = getWindowConfigurer()
				.getActionBarConfigurer().getStatusLineManager();
		statusline.setMessage(null, "Status line is ready");
	}
}

Run your application. You should now see the following.

Add a view with the implementation class "de.vogella.rcp.intro.statusline.ViewPart1" to your application and your perspective. This view contains a button to set the status line.

				


package de.vogella.rcp.intro.statusline;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.part.ViewPart;

public class ViewPart1 extends ViewPart {

	boolean pressed = false;

	@Override
	public void createPartControl(Composite parent) {
		Button setStatusLine = new Button(parent, SWT.PUSH);
		setStatusLine.setText("Set Statusline ");

		setStatusLine.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {

				String message = "I would like to say hello to you.";
				if (pressed) {
					message = "Thank you for using me";
				}
				setStatusLine(message);
				pressed = !pressed;
			}
		});
	}

	private void setStatusLine(String message) {
		// Get the status line and set the text
		IActionBars bars = getViewSite().getActionBars();
		bars.getStatusLineManager().setMessage(message);
	}

	@Override
	public void setFocus() {
	}

}

If you run it the result should look like the following.

From an editor you can access the status line via the following:

					


IEditorPart.getEditorSite().getActionBars();