projects / deliverable / tracecompass.git / blame
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|---|---|---|
| f05aabed FC |
1 | /******************************************************************************* |
| 2 | * Copyright (c) 2009, 2010 Ericsson | |
| 3 | * | |
| 4 | * All rights reserved. This program and the accompanying materials are | |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which | |
| 6 | * accompanies this distribution, and is available at | |
| 7 | * http://www.eclipse.org/legal/epl-v10.html | |
| 8 | * | |
| 9 | * Modifications: | |
| 10 | * 2010-07-16 Yuriy Vashchuk - Base class simplification | |
| 11 | *******************************************************************************/ | |
| 12 | ||
| 6e512b93 ASL |
13 | package org.eclipse.linuxtools.lttng.ui.views.histogram; |
| 14 | ||
| 15 | import org.eclipse.swt.events.ControlEvent; | |
| 16 | import org.eclipse.swt.events.ControlListener; | |
| 17 | ||
| 18 | /** | |
| 19 | * <b><u>HistogramCanvasControlListener</u></b> | |
| 20 | * <p> | |
| 21 | * Implementation of a ControlListener for the need of the HistogramCanvas | |
| 22 | * <p> | |
| 23 | */ | |
| 24 | public class HistogramCanvasControlListener implements ControlListener { | |
| 25 | ||
| f05aabed FC |
26 | private HistogramCanvas ourCanvas = null; |
| 27 | ||
| 28 | /** | |
| 29 | * HistogramCanvasControlListener default constructor | |
| 30 | */ | |
| 31 | public HistogramCanvasControlListener() { | |
| 32 | } | |
| 6e512b93 ASL |
33 | |
| 34 | /** | |
| 35 | * HistogramCanvasControlListener constructor | |
| 36 | * | |
| 37 | * @param newCanvas Related canvas | |
| 38 | */ | |
| 39 | public HistogramCanvasControlListener(HistogramCanvas newCanvas) { | |
| f05aabed | 40 | ourCanvas = newCanvas; |
| 6e512b93 ASL |
41 | } |
| 42 | ||
| 43 | ||
| 44 | /** | |
| 45 | * Method called when the canvas is moved.<p> | |
| 46 | * | |
| 47 | * Just redraw the canvas... | |
| 48 | * | |
| 49 | * @param event The controle event generated by the move. | |
| 50 | */ | |
| d4011df2 | 51 | @Override |
| 6e512b93 | 52 | public void controlMoved(ControlEvent event) { |
| 1a971e96 FC |
53 | if (ourCanvas != null) |
| 54 | ourCanvas.redraw(); | |
| 6e512b93 ASL |
55 | } |
| 56 | ||
| 57 | /** | |
| 58 | * Method called when the canvas is resized.<p> | |
| 59 | * | |
| 3e9fdb8b | 60 | * We need to tell the content that the canvas size changed |
| 6e512b93 | 61 | * |
| 7ef9ae3f | 62 | * @param event The control event generated by the resize. |
| 6e512b93 | 63 | */ |
| d4011df2 | 64 | @Override |
| 6e512b93 ASL |
65 | public void controlResized(ControlEvent event) { |
| 66 | ||
| f05aabed | 67 | if ( (ourCanvas != null) && (ourCanvas.getHistogramContent() != null) ) { |
| 6e512b93 | 68 | // Set the new canvas size |
| f05aabed | 69 | ourCanvas.getHistogramContent().setCanvasWindowSize(ourCanvas.getSize().x); |
| 6e512b93 ASL |
70 | } |
| 71 | } | |
| 72 | } |