Examples with Viewport org.eclipse.draw2d.Viewport used on opensource projects

Example 36 with Viewport

use of org.eclipse.draw2d.Viewport in project yamcs-studio by yamcs.

the class AbstractSWTWidgetFigure method doRelocateWidget.

private void doRelocateWidget() {
    boolean sizeWasSet = false;
    Rectangle clientArea = getClientArea();
    Rectangle rect = clientArea.getCopy();
    translateToAbsolute(rect);
    // scale the font if necessary
    double scale = (double) rect.height / (double) clientArea.height;
    if (Math.abs(scale - 1) > 0.05) {
        if (Math.abs(scale - lastScale) >= 0.05) {
            FontData fontData = getFont().getFontData()[0];
            FontData newFontData = new FontData(fontData.getName(), Math.max((int) (fontData.getHeight() * scale), 0), fontData.getStyle());
            getSWTWidget().setFont(CustomMediaFactory.getInstance().getFont(newFontData));
            lastScale = scale;
        }
    } else if (getSWTWidget().getFont() != getFont())
        getSWTWidget().setFont(getFont());
    // }
    if (wrapComposite != null && getParent().getParent() instanceof Viewport) {
        Rectangle viewPortArea = getParent().getParent().getClientArea();
        getParent().translateToAbsolute(viewPortArea);
        clientArea = rect;
        isIntersectViewPort = viewPortArea.intersects(clientArea);
        if (isIntersectViewPort) {
            // if the SWT widget is cut by viewPort
            if (!viewPortArea.contains(clientArea)) {
                Rectangle intersection = viewPortArea.getIntersection(clientArea);
                org.eclipse.swt.graphics.Rectangle oldBounds = wrapComposite.getBounds();
                if (oldBounds.x != (rect.x + intersection.x - clientArea.x) || oldBounds.y != (rect.y + intersection.y - clientArea.y) || oldBounds.width != intersection.width || oldBounds.height != intersection.height) {
                    wrapComposite.setBounds(rect.x + intersection.x - clientArea.x, rect.y + intersection.y - clientArea.y, intersection.width, intersection.height);
                }
                oldBounds = getSWTWidget().getBounds();
                if (oldBounds.x != (clientArea.x - intersection.x) || oldBounds.y != (clientArea.y - intersection.y) || oldBounds.width != rect.width || oldBounds.height != rect.height) {
                    getSWTWidget().setBounds(clientArea.x - intersection.x, clientArea.y - intersection.y, rect.width, rect.height);
                }
                sizeWasSet = true;
            } else {
                Point oldLoc = getSWTWidget().getLocation();
                if (oldLoc.x != 0 || oldLoc.y != 0)
                    getSWTWidget().setLocation(0, 0);
            }
        }
    }
    if (!sizeWasSet) {
        if (wrapComposite != null) {
            Rectangle oldBounds = new Rectangle(wrapComposite.getBounds());
            if (!oldBounds.equals(rect))
                wrapComposite.setBounds(rect.x, rect.y, rect.width, rect.height);
            Point oldSize = getSWTWidget().getSize();
            if (oldSize.x != rect.width || oldSize.y != rect.height)
                getSWTWidget().setSize(rect.width, rect.height);
        } else if (!getSWTWidget().getBounds().equals(new org.eclipse.swt.graphics.Rectangle(rect.x, rect.y, rect.width, rect.height)))
            getSWTWidget().setBounds(rect.x, rect.y, rect.width, rect.height);
    }
}

Example 37 with Viewport

use of org.eclipse.draw2d.Viewport in project whole by wholeplatform.

the class ViewportTrackingStrategy method calculateTranslateAmount.

@SuppressWarnings("unchecked")
protected Point calculateTranslateAmount() {
    translateAmount.setLocation(0, 0);
    if (childrenBounds.length == 0)
        return translateAmount;
    Viewport viewport = getViewport();
    LayeredPane layeredPane = (LayeredPane) viewport.getContents();
    ScalableFigure scalableLayeredPane = (ScalableFigure) layeredPane.getLayer(LayerConstants.SCALABLE_LAYERS);
    Rectangle clientArea = viewport.getClientArea().scale(1 / scalableLayeredPane.getScale());
    Rectangle bounds = hostFigure.getBounds();
    if (!bounds.intersects(clientArea))
        return translateAmount;
    if (compositeBounds == null) {
        List<IFigure> children = hostFigure.getChildren();
        compositeBounds = new Rectangle(children.get(0).getBounds());
        compositeBounds.translate(-bounds.x, -bounds.y);
        for (int i = 0; i < childrenBounds.length; i++) {
            childrenBounds[i].setBounds(children.get(i).getBounds());
            childrenBounds[i].translate(-bounds.x, -bounds.y);
            compositeBounds.union(childrenBounds[i]);
        }
    }
    Rectangle compositeBounds = Rectangle.SINGLETON.setBounds(this.compositeBounds);
    compositeBounds.translate(hostFigure.getBounds().x, hostFigure.getBounds().y);
    int minDX = bounds.x - compositeBounds.x;
    int minDY = bounds.y - compositeBounds.y;
    int maxDX = bounds.right() - compositeBounds.right();
    int maxDY = bounds.bottom() - compositeBounds.bottom();
    if (clientArea.height < compositeBounds.height && clientArea.width < compositeBounds.width)
        return translateAmount;
    if (viewportTracking.isHorizontal())
        translateAmount.setX(Math.max(minDX, Math.min(maxDX, clientArea.x > compositeBounds.x ? clientArea.x - compositeBounds.x : (compositeBounds.right() > clientArea.right() ? clientArea.right() - compositeBounds.right() : 0))));
    if (viewportTracking.isVertical())
        translateAmount.setY(Math.max(minDY, Math.min(maxDY, clientArea.y > compositeBounds.y ? clientArea.y - compositeBounds.y : (compositeBounds.bottom() > clientArea.bottom() ? clientArea.bottom() - compositeBounds.bottom() : 0))));
    return translateAmount;
}

Example 38 with Viewport

use of org.eclipse.draw2d.Viewport in project archi by archimatetool.

the class MouseWheelHorizontalScrollHandler method handleMouseWheel.

/**
 * Zooms the given viewer.
 *
 * @see MouseWheelHandler#handleMouseWheel(Event, EditPartViewer)
 */
@Override
public void handleMouseWheel(Event event, EditPartViewer viewer) {
    ZoomManager zoomMgr = (ZoomManager) viewer.getProperty(ZoomManager.class.toString());
    if (zoomMgr != null) {
        Viewport viewport = zoomMgr.getViewport();
        if (viewport != null) {
            viewport.setViewLocation(viewport.getViewLocation().translate(event.count * DELTA * DIRECTION, 0));
            event.doit = false;
        }
    }
}

Example 39 with Viewport

use of org.eclipse.draw2d.Viewport in project archi by archimatetool.

the class ScalableRootEditPart method createFigure.

/**
 * @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#createFigure()
 */
@Override
protected IFigure createFigure() {
    Viewport viewport = createViewport();
    innerLayers = new LayeredPane();
    createLayers(innerLayers);
    viewport.setContents(innerLayers);
    return viewport;
}

Example 40 with Viewport

use of org.eclipse.draw2d.Viewport in project archi by archimatetool.

the class ViewportAutoexposeHelper method step.

/**
 * Returns <code>true</code> if the given point is outside the viewport or
 * near its edge. Scrolls the viewport by a calculated (time based) amount
 * in the current direction.
 *
 * todo: investigate if we should allow auto expose when the pointer is
 * outside the viewport
 *
 * Phillipus added option to allow auto expose when the pointer is outside!
 *
 * @see org.eclipse.gef.AutoexposeHelper#step(org.eclipse.draw2d.geometry.Point)
 */
@Override
public boolean step(Point where) {
    Viewport port = findViewport(owner);
    Rectangle rect = Rectangle.SINGLETON;
    port.getClientArea(rect);
    port.translateToParent(rect);
    port.translateToAbsolute(rect);
    if (!(continueOutside || rect.contains(where)) || rect.shrink(threshold).contains(where))
        return false;
    // set scroll offset (speed factor)
    int scrollOffset = 0;
    // calculate time based scroll offset
    if (lastStepTime == 0)
        lastStepTime = System.currentTimeMillis();
    long difference = System.currentTimeMillis() - lastStepTime;
    if (difference > 0) {
        scrollOffset = ((int) difference / 3);
        lastStepTime = System.currentTimeMillis();
    }
    if (scrollOffset == 0)
        return true;
    rect.shrink(threshold);
    int region = rect.getPosition(where);
    Point loc = port.getViewLocation();
    if ((region & PositionConstants.SOUTH) != 0)
        loc.y += scrollOffset;
    else if ((region & PositionConstants.NORTH) != 0)
        loc.y -= scrollOffset;
    if ((region & PositionConstants.EAST) != 0)
        loc.x += scrollOffset;
    else if ((region & PositionConstants.WEST) != 0)
        loc.x -= scrollOffset;
    port.setViewLocation(loc);
    return true;
}