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Cleaned up cursor DnD and positioning

This commit is contained in:
ejentzsx 2015-07-20 12:04:29 +02:00
parent 93f147555b
commit 1f338cbf3f
1 changed files with 19 additions and 22 deletions
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41
com.minres.scviewer.database.swt/src/com/minres/scviewer/database/swt/TxDisplay.java
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@ -31,11 +31,9 @@ import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DragSource;
import org.eclipse.swt.dnd.DragSourceAdapter;
import org.eclipse.swt.dnd.DragSourceEffect;
import org.eclipse.swt.dnd.DragSourceEvent;
import org.eclipse.swt.dnd.DropTarget;
import org.eclipse.swt.dnd.DropTargetAdapter;
@ -58,7 +56,6 @@ import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
@ -254,7 +251,6 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
createWaveDragSource(valueList);
createWaveDropTarget(nameList);
createWaveDropTarget(valueList);
//TODO: create DnD for tracklist to move painter or whatever
createTrackDragSource(trackList);
createTrackDropTarget(trackList);
}
@ -531,11 +527,14 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
@Override
public void mouseUp(MouseEvent e) {
if (e.button == 1&& e.widget == trackList) {
CursorPainter painter = cursorPainters.get(0);
setCursorTime(trackList.getTimeForOffset(e.x));
// TODO: move outside and execute asynchronous
trackList.redraw();
updateValueList();
e.widget.getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
trackList.redraw();
updateValueList();
}
});
}
}
@ -704,19 +703,11 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
}
private void createTrackDragSource(final Canvas canvas) {
final Display display = canvas.getDisplay();
Transfer[] types = new Transfer[] { LocalSelectionTransfer.getTransfer() };
DragSource dragSource = new DragSource(canvas, DND.DROP_MOVE);
dragSource.setTransfer(types);
dragSource.setDragSourceEffect(new DragSourceEffect(canvas) {
@Override
public void dragStart(DragSourceEvent event) {
// event.image = display.getSystemImage(SWT.ICON_INFORMATION);
}
});
dragSource.addDragListener(new DragSourceAdapter() {
public void dragStart(DragSourceEvent event) {
// System.out.println("dragStart");
if (currentCursorSelection!=null) {
event.doit = true;
LocalSelectionTransfer.getTransfer().setSelection(getSelection());
@ -725,7 +716,6 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
}
public void dragSetData(DragSourceEvent event) {
// System.out.println("dragSetData");
if (LocalSelectionTransfer.getTransfer().isSupportedType(event.dataType)) {
event.data =getSelection();
}
@ -739,7 +729,6 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
dropTarget.setTransfer(types);
dropTarget.addDropListener(new DropTargetAdapter() {
public void drop(DropTargetEvent event) {
// System.out.println("drop");
if (LocalSelectionTransfer.getTransfer().isSupportedType(event.currentDataType)){
ISelection sel = LocalSelectionTransfer.getTransfer().getSelection();
if(sel!=null && sel instanceof IStructuredSelection){
@ -750,16 +739,19 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
Point dropPoint = ((Canvas) tgt.getControl()).toControl(event.x, event.y);
// painter.setTime(trackList.getTimeForOffset(dropPoint.x));
setCursorTime(trackList.getTimeForOffset(dropPoint.x));
// TODO: move outside and execute asynchronous
((Canvas) tgt.getControl()).redraw();
updateValueList();
canvas.getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
updateValueList();
}
});
}
}
}
}
public void dropAccept(DropTargetEvent event) {
// System.out.println("dropAccept");
if (event.detail != DND.DROP_MOVE || event.y > trackVerticalOffset.lastKey() + trackList.getTrackHeight()) {
event.detail = DND.DROP_NONE;
}
@ -772,9 +764,14 @@ public class TxDisplay implements PropertyChangeListener, ISelectionProvider, Mo
if(selObject instanceof CursorPainter){
DropTarget tgt = (DropTarget) event.widget;
Point dropPoint = ((Canvas) tgt.getControl()).toControl(event.x, event.y);
// painter.setTime(trackList.getTimeForOffset(dropPoint.x));
setCursorTime(trackList.getTimeForOffset(dropPoint.x));
((Canvas) tgt.getControl()).redraw();
canvas.getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
updateValueList();
}
});
}
}
}