Example usage for javax.swing JViewport setViewPosition

Introduction

In this page you can find the example usage for javax.swing JViewport setViewPosition.

Prototype

public void setViewPosition(Point p) 

Source Link

Document

Sets the view coordinates that appear in the upper left hand corner of the viewport, does nothing if there's no view.

Usage

From source file:edu.purdue.cc.bionet.ui.HeatMap.java

/**
 * Scales to the given zoom level, 1.0 being 100%, centered on the 
 * given point./*www.  j a v a  2  s . com*/
 * 
 * @param level The level to zoom to.
 * @param center The center point for the scaling operation.
 * @return The new zoom level.
 */
public float scaleTo(float level, Point2D center) {
    float oldZoom = this.currentZoom;
    this.currentZoom = Math.max(level, 0.99f);
    Dimension viewSize;
    if (level < 1.0f) {
        viewSize = this.scrollPane.getSize();
    } else {
        viewSize = this.scrollPane.getViewport().getExtentSize();
    }
    Dimension newSize = new Dimension((int) (viewSize.width * currentZoom),
            (int) (viewSize.height * currentZoom));
    this.setPreferredSize(newSize);
    this.setSize(newSize);

    // translate the new view position so the mouse is in the same place
    // on the scaled view.
    JViewport vp = this.scrollPane.getViewport();
    double centerX = center.getX();
    double centerY = center.getY();
    double viewPortMouseX = centerX - vp.getViewPosition().getX();
    double viewPortMouseY = centerY - vp.getViewPosition().getY();
    centerX *= currentZoom / oldZoom;
    centerY *= currentZoom / oldZoom;
    viewPortMouseX = centerX - viewPortMouseX;
    viewPortMouseY = centerY - viewPortMouseY;
    vp.setViewPosition(new Point((int) viewPortMouseX, (int) viewPortMouseY));

    return this.currentZoom;
}

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From source file:de.codesourcery.jasm16.utils.ASTInspector.java

public void centerCurrentLineInScrollPane() {
    final Container container = SwingUtilities.getAncestorOfClass(JViewport.class, editorPane);

    if (container == null) {
        return;//www . j  a v  a2s.  c om
    }

    try {
        final Rectangle r = editorPane.modelToView(editorPane.getCaretPosition());
        final JViewport viewport = (JViewport) container;
        final int extentHeight = viewport.getExtentSize().height;
        final int viewHeight = viewport.getViewSize().height;

        int y = Math.max(0, r.y - (extentHeight / 2));
        y = Math.min(y, viewHeight - extentHeight);

        viewport.setViewPosition(new Point(0, y));
    } catch (BadLocationException ble) {
    }
}

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From source file:com.floreantpos.jasperreport.swing.JRViewerPanel.java

void pnlLinksMouseDragged(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pnlLinksMouseDragged
    // Add your handling code here:

    Container container = pnlInScroll.getParent();
    if (container instanceof JViewport) {
        JViewport viewport = (JViewport) container;
        Point point = viewport.getViewPosition();
        int newX = point.x - (evt.getX() - downX);
        int newY = point.y - (evt.getY() - downY);

        int maxX = pnlInScroll.getWidth() - viewport.getWidth();
        int maxY = pnlInScroll.getHeight() - viewport.getHeight();

        if (newX < 0) {
            newX = 0;/*from w  ww. j a va2 s. com*/
        }
        if (newX > maxX) {
            newX = maxX;
        }
        if (newY < 0) {
            newY = 0;
        }
        if (newY > maxY) {
            newY = maxY;
        }

        viewport.setViewPosition(new Point(newX, newY));
    }
}

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From source file:edu.purdue.cc.bionet.ui.GraphVisualizer.java

/**
 * Scales to the given zoom level, 1.0 being 100%, centered on the 
 * given point./*  w  w w.j a  v  a 2  s .c o m*/
 * 
 * @param level The level to zoom to.
 * @param center The center point for the scaling operation.
 * @return The new zoom level.
 */
public float scaleTo(float level, Point2D center) {
    if (this.scrollPane == null)
        return 1.0f;
    float oldZoom = this.currentZoom;
    this.currentZoom = Math.max(minimumZoom, level);
    //      this.absoluteViewScaler.scale( this, level, center );
    Dimension viewSize;
    if (level < 1.0f) {
        viewSize = this.scrollPane.getSize();
    } else {
        viewSize = this.scrollPane.getViewport().getExtentSize();
    }
    Dimension newSize = new Dimension((int) (viewSize.width * currentZoom),
            (int) (viewSize.height * currentZoom));
    this.setPreferredSize(newSize);
    this.setSize(newSize);
    //      new LayoutScaler( this.getGraphLayout( )).setSize( newSize );
    if (Float.compare(level, 1.0f) <= 0)
        this.center();

    // translate the new view position so the mouse is in the same place
    // on the scaled view.
    JViewport vp = this.scrollPane.getViewport();
    double centerX = center.getX();
    double centerY = center.getY();
    double viewPortMouseX = centerX - vp.getViewPosition().getX();
    double viewPortMouseY = centerY - vp.getViewPosition().getY();
    centerX *= currentZoom / oldZoom;
    centerY *= currentZoom / oldZoom;
    viewPortMouseX = centerX - viewPortMouseX;
    viewPortMouseY = centerY - viewPortMouseY;
    vp.setViewPosition(new Point((int) viewPortMouseX, (int) viewPortMouseY));

    return this.currentZoom;
}

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From source file:com.floreantpos.jasperreport.swing.JRViewerPanel.java

/**
 *
 *//*from   w  ww .j  av a 2  s. c o m*/
public void gotoHyperlink(JRPrintHyperlink hyperlink) {
    switch (hyperlink.getHyperlinkTypeValue()) {
    case REFERENCE: {
        if (isOnlyHyperlinkListener()) {
            System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
            System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
    }
    case LOCAL_ANCHOR: {
        if (hyperlink.getHyperlinkAnchor() != null) {
            Map anchorIndexes = viewerContext.getJasperPrint().getAnchorIndexes();
            JRPrintAnchorIndex anchorIndex = (JRPrintAnchorIndex) anchorIndexes
                    .get(hyperlink.getHyperlinkAnchor());
            if (anchorIndex.getPageIndex() != viewerContext.getPageIndex()) {
                viewerContext.setPageIndex(anchorIndex.getPageIndex());
                viewerContext.refreshPage();
            }
            Container container = pnlInScroll.getParent();
            if (container instanceof JViewport) {
                JViewport viewport = (JViewport) container;

                int newX = (int) (anchorIndex.getElementAbsoluteX() * realZoom);
                int newY = (int) (anchorIndex.getElementAbsoluteY() * realZoom);

                int maxX = pnlInScroll.getWidth() - viewport.getWidth();
                int maxY = pnlInScroll.getHeight() - viewport.getHeight();

                if (newX < 0) {
                    newX = 0;
                }
                if (newX > maxX) {
                    newX = maxX;
                }
                if (newY < 0) {
                    newY = 0;
                }
                if (newY > maxY) {
                    newY = maxY;
                }

                viewport.setViewPosition(new Point(newX, newY));
            }
        }

        break;
    }
    case LOCAL_PAGE: {
        int page = viewerContext.getPageIndex() + 1;
        if (hyperlink.getHyperlinkPage() != null) {
            page = hyperlink.getHyperlinkPage().intValue();
        }

        if (page >= 1 && page <= viewerContext.getJasperPrint().getPages().size()
                && page != viewerContext.getPageIndex() + 1) {
            viewerContext.setPageIndex(page - 1);
            viewerContext.refreshPage();
            Container container = pnlInScroll.getParent();
            if (container instanceof JViewport) {
                JViewport viewport = (JViewport) container;
                viewport.setViewPosition(new Point(0, 0));
            }
        }

        break;
    }
    case REMOTE_ANCHOR: {
        if (isOnlyHyperlinkListener()) {
            System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
            System.out.println("Hyperlink anchor    : " + hyperlink.getHyperlinkAnchor());
            System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
    }
    case REMOTE_PAGE: {
        if (isOnlyHyperlinkListener()) {
            System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
            System.out.println("Hyperlink page      : " + hyperlink.getHyperlinkPage());
            System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
    }
    case CUSTOM: {
        if (isOnlyHyperlinkListener()) {
            System.out.println("Hyperlink of type " + hyperlink.getLinkType());
            System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
    }
    case NONE:
    default: {
        break;
    }
    }
}

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From source file:net.sf.jasperreports.swing.JRViewerPanel.java

@Override
public void gotoHyperlink(JRPrintHyperlink hyperlink) {
    switch (hyperlink.getHyperlinkTypeValue()) {
    case REFERENCE: {
        if (isOnlyHyperlinkListener()) {
            System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
            System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }/*from   ww  w.ja va 2 s  . c o  m*/
        break;
    }
    case LOCAL_ANCHOR: {
        if (hyperlink.getHyperlinkAnchor() != null) {
            Map<String, JRPrintAnchorIndex> anchorIndexes = viewerContext.getJasperPrint().getAnchorIndexes();
            JRPrintAnchorIndex anchorIndex = anchorIndexes.get(hyperlink.getHyperlinkAnchor());
            if (anchorIndex.getPageIndex() != viewerContext.getPageIndex()) {
                viewerContext.setPageIndex(anchorIndex.getPageIndex());
                viewerContext.refreshPage();
            }
            Container container = pnlInScroll.getParent();
            if (container instanceof JViewport) {
                JViewport viewport = (JViewport) container;

                int newX = (int) (anchorIndex.getElementAbsoluteX() * realZoom);
                int newY = (int) (anchorIndex.getElementAbsoluteY() * realZoom);

                int maxX = pnlInScroll.getWidth() - viewport.getWidth();
                int maxY = pnlInScroll.getHeight() - viewport.getHeight();

                if (newX < 0) {
                    newX = 0;
                }
                if (newX > maxX) {
                    newX = maxX;
                }
                if (newY < 0) {
                    newY = 0;
                }
                if (newY > maxY) {
                    newY = maxY;
                }

                viewport.setViewPosition(new Point(newX, newY));
            }
        }

        break;
    }
    case LOCAL_PAGE: {
        int page = viewerContext.getPageIndex() + 1;
        if (hyperlink.getHyperlinkPage() != null) {
            page = hyperlink.getHyperlinkPage();
        }

        if (page >= 1 && page <= viewerContext.getJasperPrint().getPages().size()
                && page != viewerContext.getPageIndex() + 1) {
            viewerContext.setPageIndex(page - 1);
            viewerContext.refreshPage();
            Container container = pnlInScroll.getParent();
            if (container instanceof JViewport) {
                JViewport viewport = (JViewport) container;
                viewport.setViewPosition(new Point(0, 0));
            }
        }

        break;
    }
    case REMOTE_ANCHOR: {
        if (isOnlyHyperlinkListener()) {
            System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
            System.out.println("Hyperlink anchor    : " + hyperlink.getHyperlinkAnchor());
            System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
    }
    case REMOTE_PAGE: {
        if (isOnlyHyperlinkListener()) {
            System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
            System.out.println("Hyperlink page      : " + hyperlink.getHyperlinkPage());
            System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
    }
    case CUSTOM: {
        if (isOnlyHyperlinkListener()) {
            System.out.println("Hyperlink of type " + hyperlink.getLinkType());
            System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
    }
    case NONE:
    default: {
        break;
    }
    }
}

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From source file:org.eurocarbdb.application.glycoworkbench.plugin.reporting.AnnotationReportCanvas.java

private void dragAndScroll(MouseEvent e) {
    // move view if near borders                
    Point point = e.getPoint();//from w w w.  ja va  2 s.c  o  m
    JViewport view = theScrollPane.getViewport();
    Rectangle inner = view.getViewRect();
    inner.grow(-10, -10);

    if (!inner.contains(point)) {
        Point orig = view.getViewPosition();
        if (point.x < inner.x)
            orig.x -= 10;
        else if (point.x > (inner.x + inner.width))
            orig.x += 10;
        if (point.y < inner.y)
            orig.y -= 10;
        else if (point.y > (inner.y + inner.height))
            orig.y += 10;

        int maxx = getBounds().width - view.getViewRect().width;
        int maxy = getBounds().height - view.getViewRect().height;
        if (orig.x < 0)
            orig.x = 0;
        if (orig.x > maxx)
            orig.x = maxx;
        if (orig.y < 0)
            orig.y = 0;
        if (orig.y > maxy)
            orig.y = maxy;

        view.setViewPosition(orig);
    }
}

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From source file:de.codesourcery.jasm16.ide.ui.views.SourceCodeView.java

public final void centerCurrentLineInScrollPane() {
    final Runnable r = new Runnable() {
        @Override/*from  w ww. ja  v a2  s  .c  o m*/
        public void run() {

            final Container container = SwingUtilities.getAncestorOfClass(JViewport.class, editorPane);

            if (container == null) {
                return;
            }

            try {
                final Rectangle r = editorPane.modelToView(editorPane.getCaretPosition());
                if (r == null) {
                    return;
                }
                final JViewport viewport = (JViewport) container;
                final int extentHeight = viewport.getExtentSize().height;
                final int viewHeight = viewport.getViewSize().height;

                int y = Math.max(0, r.y - (extentHeight / 2));
                y = Math.min(y, viewHeight - extentHeight);

                viewport.setViewPosition(new Point(0, y));
            } catch (BadLocationException ble) {
                LOG.error("centerCurrentLineInScrollPane(): ", ble);
            }
        }

    };

    UIUtils.invokeLater(r);
}

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From source file:cn.pholance.datamanager.common.components.JRViewer.java

void pnlLinksMouseDragged(MouseEvent evt) {//GEN-FIRST:event_pnlLinksMouseDragged
    // Add your handling code here:

    Container container = pnlInScroll.getParent();
    if (container instanceof JViewport) {
        JViewport viewport = (JViewport) container;
        Point point = viewport.getViewPosition();
        int newX = point.x - (evt.getX() - downX);
        int newY = point.y - (evt.getY() - downY);

        int maxX = pnlInScroll.getWidth() - viewport.getWidth();
        int maxY = pnlInScroll.getHeight() - viewport.getHeight();

        if (newX < 0) {
            newX = 0;/*from w w w . j  a  v  a 2s .  co m*/
        }
        if (newX > maxX) {
            newX = maxX;
        }
        if (newY < 0) {
            newY = 0;
        }
        if (newY > maxY) {
            newY = maxY;
        }

        viewport.setViewPosition(new Point(newX, newY));
    }
}

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From source file:ireport_5_6_0.view.JRViewer.java

void pnlLinksMouseDragged(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pnlLinksMouseDragged
    // Add your handling code here:
    Container container = pnlInScroll.getParent();
    if (container instanceof JViewport) {
        JViewport viewport = (JViewport) container;
        Point point = viewport.getViewPosition();
        int newX = point.x - (evt.getX() - downX);
        int newY = point.y - (evt.getY() - downY);

        int maxX = pnlInScroll.getWidth() - viewport.getWidth();
        int maxY = pnlInScroll.getHeight() - viewport.getHeight();

        if (newX < 0) {
            newX = 0;/*from  w  ww.j av a 2  s  .com*/
        }
        if (newX > maxX) {
            newX = maxX;
        }
        if (newY < 0) {
            newY = 0;
        }
        if (newY > maxY) {
            newY = maxY;
        }

        viewport.setViewPosition(new Point(newX, newY));
    }
}

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