diff options
| -rw-r--r-- | lttng/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/widgets/TimeGraphControl.java | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/lttng/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/widgets/TimeGraphControl.java b/lttng/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/widgets/TimeGraphControl.java index 85036aa9c8..9a2ecb04be 100644 --- a/lttng/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/widgets/TimeGraphControl.java +++ b/lttng/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/widgets/TimeGraphControl.java @@ -15,6 +15,7 @@ * provide base classes for time graph view * Add display of links between items * Xavier Raynaud, Kalray - Code optimization + * Generoso Pagano, Inria - Support for drag selection listeners *****************************************************************************/ package org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets; @@ -40,8 +41,10 @@ import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestampDelta; import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphColorListener; import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider; import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider2; +import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphTimeListener; import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphTreeListener; import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem; +import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphTimeEvent; import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphTreeExpansionEvent; import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ILinkEvent; import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent; @@ -139,6 +142,7 @@ public class TimeGraphControl extends TimeGraphBaseControl private ITimeGraphPresentationProvider fTimeGraphProvider = null; private ItemData fItemData = null; private List<SelectionListener> fSelectionListeners; + private List<ITimeGraphTimeListener> fDragSelectionListeners; private final List<ISelectionChangedListener> fSelectionChangedListeners = new ArrayList<>(); private final List<ITimeGraphTreeListener> fTreeListeners = new ArrayList<>(); private final List<MenuDetectListener> fTimeGraphEntryMenuListeners = new ArrayList<>(); @@ -360,6 +364,65 @@ public class TimeGraphControl extends TimeGraphBaseControl } /** + * Add a drag selection listener + * + * @param listener + * The listener to add + * @since 3.1 + */ + public void addDragSelectionListener(ITimeGraphTimeListener listener) { + if (listener == null) { + SWT.error(SWT.ERROR_NULL_ARGUMENT); + } + if (null == fDragSelectionListeners) { + fDragSelectionListeners = new ArrayList<>(); + } + fDragSelectionListeners.add(listener); + } + + /** + * Remove a drag selection listener + * + * @param listener + * The listener to remove + * @since 3.1 + */ + public void removeDragSelectionListener(ITimeGraphTimeListener listener) { + if (null != fDragSelectionListeners) { + fDragSelectionListeners.remove(listener); + } + } + + /** + * Drag Selection changed callback + * + * @param start + * Time interval start + * @param end + * Time interval end + * @since 3.1 + */ + public void fireDragSelectionChanged(long start, long end) { + // check for backward intervals + long beginTime, endTime; + if (start > end) { + beginTime = end; + endTime = start; + } else { + beginTime = start; + endTime = end; + } + // call the listeners + if (null != fDragSelectionListeners) { + Iterator<ITimeGraphTimeListener> it = fDragSelectionListeners.iterator(); + while (it.hasNext()) { + ITimeGraphTimeListener listener = it.next(); + listener.timeSelected(new TimeGraphTimeEvent(this, beginTime, endTime)); + } + } + } + + /** * Get the traces in the model * * @return The array of traces @@ -2015,6 +2078,7 @@ public class TimeGraphControl extends TimeGraphBaseControl fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), size.x - RIGHT_MARGIN); redraw(); fTimeGraphScale.setDragRange(fDragX0, fDragX); + fireDragSelectionChanged(getTimeAtX(fDragX0), getTimeAtX(fDragX)); } else if (DRAG_ZOOM == fDragState) { fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), size.x - RIGHT_MARGIN); redraw(); |