SCViewer/com.minres.scviewer.e4.appl.../src/com/minres/scviewer/e4/application/internal/status/WaveStatusBarControl.java

130 lines
4.1 KiB
Java

/*******************************************************************************
* Copyright (c) 2015 MINRES Technologies GmbH and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
package com.minres.scviewer.e4.application.internal.status;
import javax.inject.Inject;
import javax.inject.Named;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.ui.di.UIEventTopic;
import org.eclipse.e4.ui.di.UISynchronize;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.e4.ui.workbench.modeling.EModelService;
import org.eclipse.jface.action.ContributionItem;
import org.eclipse.jface.action.StatusLineManager;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
public class WaveStatusBarControl extends StatusBarControl {
public static final String ZOOM_LEVEL="ZoomLevelUpdate";
public static final String CURSOR_TIME="CursorPosUpdate";
public static final String MARKER_TIME="MarkerPosUpdate";
public static final String MARKER_DIFF="MarlerDiffUpdate";
@Inject
EModelService modelService;
class TextContributionItem extends ContributionItem {
final String labelString;
final int width;
CLabel label, text;
private String content;
public TextContributionItem(String labelString, int width) {
super();
this.labelString = labelString;
this.width=width;
content="";
}
@Override
public void fill(Composite parent) {
Composite box=new Composite(parent, SWT.NONE);
box.setLayout(new GridLayout(2, false));
label=new CLabel(box, SWT.SHADOW_NONE);
label.setText(labelString);
text=new CLabel(box, SWT.SHADOW_IN);
GridData layoutData=new GridData(SWT.DEFAULT, SWT.DEFAULT, true, false);
layoutData.minimumWidth=width;
text.setLayoutData(layoutData);
}
@Override
public boolean isDynamic() {
return true;
}
public void setText(String message){
this.content=message;
if(text!=null && !text.isDisposed()) text.setText(content);
}
}
TextContributionItem cursorContribution, markerContribution, markerDiffContribution, zoomContribution;
@Inject
public WaveStatusBarControl(UISynchronize sync) {
super(sync);
cursorContribution = new TextContributionItem("C:", 80);
markerContribution = new TextContributionItem("M:", 80);
markerDiffContribution = new TextContributionItem("C-M:", 80);
zoomContribution = new TextContributionItem("Z:", 80);
manager.appendToGroup(StatusLineManager.BEGIN_GROUP,cursorContribution);
manager.appendToGroup(StatusLineManager.BEGIN_GROUP,markerContribution);
manager.appendToGroup(StatusLineManager.BEGIN_GROUP,markerDiffContribution);
manager.appendToGroup(StatusLineManager.BEGIN_GROUP, zoomContribution);
}
@Inject
public void setSelection(@Named(IServiceConstants.ACTIVE_SELECTION)@Optional IStructuredSelection selection){
if(manager!=null && selection!=null){
switch(selection.size()){
case 0:
manager.setMessage("");
break;
case 1:
manager.setMessage(selection.getFirstElement().getClass().getSimpleName()+" selected");
break;
default:
manager.setMessage(""+selection.size()+" Elements");
break;
}
}
}
@Inject @Optional
public void getZoomEvent(@UIEventTopic(ZOOM_LEVEL) String text) {
zoomContribution.setText(text);
}
@Inject @Optional
public void getCursorEvent(@UIEventTopic(CURSOR_TIME) String text) {
cursorContribution.setText(text);
}
@Inject @Optional
public void getMarkerEvent(@UIEventTopic(MARKER_TIME) String text) {
markerContribution.setText(text);
}
@Inject @Optional
public void getDiffEvent(@UIEventTopic(MARKER_DIFF) String text) {
markerDiffContribution.setText(text);
}
}