/**
* Update the visibility of the buttons Only show them if the Viewport is too small for the
* content.
*/
public void showOrHideButtons() {
boolean needButtons =
vp.getViewSize().height > vp.getViewRect().height
|| vp.getViewSize().width > vp.getViewRect().width;
for (JButton b : buttons) {
b.setVisible(needButtons);
}
}
/** Move a block it's prior location to the drop location */
@Override
public boolean importData(TransferSupport supp) {
if (canImport(supp)) {
IconList list = (IconList) supp.getComponent().getParent().getParent().getParent();
JViewport panel = (JViewport) supp.getComponent().getParent();
try {
Transferable t = supp.getTransferable();
int from = (int) t.getTransferData(DataFlavor.imageFlavor);
list.move(
from,
(int)
(Math.ceil(
supp.getDropLocation().getDropPoint().getX()
* list.length()
/ panel.getViewSize().getWidth()
- 1)),
false);
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
return false;
}
@Override
public void layoutContainer(Container parent) {
if (linkedViewPort == null) {
super.layoutContainer(parent);
} else {
JViewport vp = (JViewport) parent;
Component view = vp.getView();
if (view != null) {
Point p = linkedViewPort.getViewPosition();
Dimension size = linkedViewPort.getViewSize();
if (horizontalLink) {
p.y = 0;
size.height = vp.getExtentSize().height;
} else {
p.x = 0;
size.width = vp.getExtentSize().width;
}
vp.setViewPosition(p);
vp.setViewSize(size);
}
}
}
public void scrollToLine(FilePanel fp, int line) {
JScrollPane scrollPane;
FilePanel fp2;
BufferDocumentIF bd;
JTextComponent editor;
JViewport viewport;
Rectangle rect;
int offset;
Point p;
Rectangle viewRect;
Dimension viewSize;
Dimension extentSize;
int x;
fp2 = fp == filePanelLeft ? filePanelRight : filePanelLeft;
bd = fp.getBufferDocument();
if (bd == null) {
return;
}
offset = bd.getOffsetForLine(line);
if (offset < 0) {
return;
}
viewport = fp.getScrollPane().getViewport();
editor = fp.getEditor();
try {
rect = editor.modelToView(offset);
if (rect == null) {
return;
}
p = rect.getLocation();
p.y -= getHeightOffset(fp);
p.y += getCorrectionOffset(fp2);
// Do not allow scrolling before the begin.
if (p.y < 0) {
p.y = 0;
}
// Do not allow scrolling after the end.
viewSize = viewport.getViewSize();
viewRect = viewport.getViewRect();
extentSize = viewport.getExtentSize();
if (p.y > viewSize.height - extentSize.height) {
p.y = viewSize.height - extentSize.height;
}
p.x = viewRect.x;
viewport.setViewPosition(p);
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void captureDecorated() {
JViewport view = gui.graphComponent.getViewport();
Point currentPos = view.getViewPosition();
view.setViewPosition(new Point(0, 0)); // We have to do that otherwise, top left is not painted
Dimension size = view.getViewSize();
BufferedImage image = (BufferedImage) view.createImage(size.width, size.height);
Graphics2D captureG = image.createGraphics();
view.paintComponents(captureG);
view.setViewPosition(currentPos);
ImagePlus imp = new ImagePlus("TrackScheme capture", image);
imp.show();
}
public void stateChanged(ChangeEvent e) {
JViewport viewport = (JViewport) e.getSource();
int tabPlacement = tabPane.getTabPlacement();
int tabCount = tabPane.getTabCount();
Rectangle vpRect = viewport.getBounds();
Dimension viewSize = viewport.getViewSize();
Rectangle viewRect = viewport.getViewRect();
leadingTabIndex = getClosestTab(viewRect.x, viewRect.y);
// If the tab isn't right aligned, adjust it.
if (leadingTabIndex + 1 < tabCount) {
if (rects[leadingTabIndex].x < viewRect.x) {
leadingTabIndex++;
}
}
Insets contentInsets = getContentBorderInsets(tabPlacement);
tabPane.repaint(vpRect.x, vpRect.y + vpRect.height, vpRect.width, contentInsets.top);
scrollBackwardButton.setEnabled(viewRect.x > 0);
scrollForwardButton.setEnabled(
leadingTabIndex < tabCount - 1 && viewSize.width - viewRect.x > viewRect.width);
}
public Dimension getViewSize() {
return vp.getViewSize();
}