Examples with Canvas org.eclipse.swt.widgets.Canvas used on opensource projects

Example 61 with Canvas

use of org.eclipse.swt.widgets.Canvas in project cubrid-manager by CUBRID.

the class ERDThumbnailViewPart method drawThumbnail.

/**
	 * Draw the thumbnail
	 * 
	 * @param rootEditPart
	 */
private void drawThumbnail(ScalableFreeformRootEditPart rootEditPart) {
    canvas = new Canvas(container, SWT.None);
    canvas.setLayout(new FillLayout());
    canvas.setBackground(ResourceManager.getColor(SWT.COLOR_WHITE));
    liSystem = new LightweightSystem(canvas);
    thumbnail = new ScrollableThumbnail((Viewport) rootEditPart.getFigure());
    thumbnail.setViewport((Viewport) rootEditPart.getFigure());
    thumbnail.setSource(rootEditPart.getLayer(LayerConstants.SCALABLE_LAYERS));
    liSystem.setContents(thumbnail);
    container.layout();
}

Example 62 with Canvas

use of org.eclipse.swt.widgets.Canvas in project tdi-studio-se by Talend.

the class ComponentChooseDialog method dragOver.

@Override
public void dragOver(DropTargetEvent event) {
    // multi-drag for job,context, sqlPattern.
    IStructuredSelection selection = getSelection();
    if (selection.size() > 1) {
        boolean allowed = true;
        Item temItem = null;
        Iterator iter = selection.iterator();
        while (iter.hasNext()) {
            Object next = iter.next();
            if (next instanceof RepositoryNode) {
                RepositoryNode sourceNode = (RepositoryNode) next;
                IRepositoryViewObject object = sourceNode.getObject();
                if (object != null) {
                    Item selectItem = object.getProperty().getItem();
                    if (temItem == null) {
                        temItem = selectItem;
                        continue;
                    }
                    if (selectItem instanceof ProcessItem && !(temItem instanceof ProcessItem)) {
                        allowed = false;
                    } else if (selectItem instanceof ContextItem && !(temItem instanceof ContextItem)) {
                        allowed = false;
                    } else if (selectItem instanceof SQLPatternItem && !(temItem instanceof SQLPatternItem)) {
                        allowed = false;
                    }
                }
            }
        }
        if (!allowed) {
            event.detail = DND.DROP_NONE;
        }
    } else {
        CreateRequest req = ((CreateRequest) getTargetRequest());
        Object o = null;
        try {
            o = req.getNewObject();
        } catch (Exception e) {
            return;
        }
        if (!(o instanceof Node)) {
            return;
        }
        RootEditPart rep = editor.getViewer().getRootEditPart().getRoot();
        Point viewOriginalPosition = new Point();
        if (rep instanceof ScalableFreeformRootEditPart) {
            ScalableFreeformRootEditPart root = (ScalableFreeformRootEditPart) rep;
            Viewport viewport = (Viewport) root.getFigure();
            viewOriginalPosition = viewport.getViewLocation();
        }
        org.eclipse.swt.graphics.Point swtLocation = new org.eclipse.swt.graphics.Point(event.x + viewOriginalPosition.x, event.y + viewOriginalPosition.y);
        Canvas canvas = (Canvas) editor.getViewer().getControl();
        swtLocation = canvas.toControl(swtLocation);
        // System.out.println("topLeft:" + topLeftpoint + " / event:" + swtLocation);
        org.eclipse.draw2d.geometry.Point draw2dPosition = new org.eclipse.draw2d.geometry.Point(swtLocation.x, swtLocation.y);
        double zoom = 1.0;
        if (editor.getViewer().getRootEditPart() instanceof TalendScalableFreeformRootEditPart) {
            ZoomManager zoomManager = ((TalendScalableFreeformRootEditPart) editor.getViewer().getRootEditPart()).getZoomManager();
            zoom = zoomManager.getZoom();
        }
        List<ConnectionPart> connectionParts = CreateComponentOnLinkHelper.getConnectionParts(editor.getProcessPart(), draw2dPosition, (Node) o);
        double minDistance = 1000000000;
        for (ConnectionPart part : connectionParts) {
            if (part.getFigure() instanceof PolylineConnection) {
                PolylineConnection connection = (PolylineConnection) part.getFigure();
                double distance = CreateComponentOnLinkHelper.getDistanceOrthogonal(draw2dPosition.x, draw2dPosition.y, connection, zoom);
                if (distance < minDistance) {
                    selectedConnectionPart = part;
                    minDistance = Math.min(distance, minDistance);
                }
            }
        }
        if (selectedConnectionPart != null && minDistance < 15) {
            for (Object child : editor.getProcessPart().getChildren()) {
                if (child instanceof SubjobContainerPart) {
                    CreateComponentOnLinkHelper.unselectAllConnections((SubjobContainerPart) child);
                }
            }
            CreateComponentOnLinkHelper.selectConnection(selectedConnectionPart);
        } else {
            if (selectedConnectionPart != null) {
                CreateComponentOnLinkHelper.unselectConnection(selectedConnectionPart);
            }
            selectedConnectionPart = null;
        }
    }
}

Example 63 with Canvas

use of org.eclipse.swt.widgets.Canvas in project dbeaver by dbeaver.

the class ERDOutlinePage method createControl.

/* (non-Javadoc)
     * @see org.eclipse.ui.part.IPage#createControl(org.eclipse.swt.widgets.Composite)
     */
@Override
public void createControl(Composite parent) {
    // create canvas and lws
    overview = new Canvas(parent, SWT.NONE);
    LightweightSystem lws = new LightweightSystem(overview);
    // create thumbnail
    thumbnail = new ScrollableThumbnail((Viewport) rootEditPart.getFigure());
    thumbnail.setBorder(new MarginBorder(3));
    thumbnail.setSource(rootEditPart.getLayer(LayerConstants.PRINTABLE_LAYERS));
    lws.setContents(thumbnail);
}

Example 64 with Canvas

use of org.eclipse.swt.widgets.Canvas in project dbeaver by dbeaver.

the class ProgressEditorPart method createProgressPane.

private void createProgressPane(final Composite parent) {
    progressCanvas = new Canvas(parent, SWT.NONE);
    progressCanvas.addPaintListener(new PaintListener() {

        @Override
        public void paintControl(PaintEvent e) {
            e.gc.drawText("Connecting to datasource '" + getEditorInput().getDatabaseObject().getName() + "'...", 5, 5, true);
        }
    });
    InitNodeService loadingService = new InitNodeService();
    LoadingJob<IDatabaseEditorInput> loadJob = LoadingJob.createService(loadingService, new InitNodeVisualizer(loadingService));
    loadJob.schedule();
}

Example 65 with Canvas

use of org.eclipse.swt.widgets.Canvas in project eclipse.platform.text by eclipse.

the class SourceViewer method createControl.

@Override
protected void createControl(Composite parent, int styles) {
    if (fVerticalRuler != null || fOverviewRuler != null) {
        styles = (styles & ~SWT.BORDER);
        fComposite = new Canvas(parent, SWT.NONE);
        fComposite.setLayout(createLayout());
        parent = fComposite;
    }
    super.createControl(parent, styles);
    if (fVerticalRuler != null)
        fVerticalRuler.createControl(fComposite, this);
    if (fOverviewRuler != null)
        fOverviewRuler.createControl(fComposite, this);
}