|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.eclipse.swt.widgets.Widget
org.eclipse.swt.widgets.Control
org.eclipse.swt.widgets.Scrollable
org.eclipse.swt.widgets.Composite
org.eclipse.swt.widgets.Canvas
org.eclipse.emf.compare.ui.viewer.content.part.AbstractCenterPart
public abstract class AbstractCenterPart
We want to avoid flickering as much as possible for our draw operations on the center part, yet we can't
use double buffering to draw on it. We will then draw on a Canvas
moved above that center part.
Field Summary | |
---|---|
protected org.eclipse.swt.graphics.Image |
buffer
Buffer used by this Canvas to smoothly paint its content. |
Fields inherited from class org.eclipse.swt.widgets.Composite |
---|
embeddedHandle |
Fields inherited from class org.eclipse.swt.widgets.Widget |
---|
handle |
Constructor Summary | |
---|---|
AbstractCenterPart(org.eclipse.swt.widgets.Composite parent)
Default constructor, instantiates the canvas given its parent. |
Method Summary | |
---|---|
void |
dispose()
|
abstract void |
doPaint(org.eclipse.swt.graphics.GC gc)
Clients should implement this method for the actual drawing. |
protected void |
drawLine(org.eclipse.swt.graphics.GC gc,
ModelContentMergeTabItem leftItem,
ModelContentMergeTabItem rightItem)
Draws a line connecting the given right and left items. |
protected java.util.List<DiffElement> |
retainVisibleDiffs(java.util.List<ModelContentMergeTabItem> leftVisible,
java.util.List<ModelContentMergeTabItem> rightVisible)
This will retain the visible differences in the given list. |
Methods inherited from class org.eclipse.swt.widgets.Canvas |
---|
drawBackground, getCaret, getIME, scroll, setCaret, setFont, setIME |
Methods inherited from class org.eclipse.swt.widgets.Composite |
---|
changed, checkSubclass, computeSize, drawBackground, getBackgroundMode, getChildren, getClientArea, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList |
Methods inherited from class org.eclipse.swt.widgets.Scrollable |
---|
computeTrim, getBorderWidth, getHorizontalBar, getVerticalBar |
Methods inherited from class org.eclipse.swt.widgets.Control |
---|
addControlListener, addDragDetectListener, addFocusListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTraverseListener, computeSize, dragDetect, dragDetect, forceFocus, getAccessible, getBackground, getBackgroundImage, getBounds, getCursor, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getParent, getRegion, getShell, getSize, getToolTipText, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, print, redraw, redraw, removeControlListener, removeDragDetectListener, removeFocusListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTraverseListener, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setEnabled, setForeground, setLayoutData, setLocation, setLocation, setMenu, setParent, setRedraw, setRegion, setSize, setSize, setToolTipText, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, update |
Methods inherited from class org.eclipse.swt.widgets.Widget |
---|
addDisposeListener, addListener, checkWidget, getData, getData, getDisplay, getListeners, getStyle, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, reskin, setData, setData, toString |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
---|
protected org.eclipse.swt.graphics.Image buffer
Canvas
to smoothly paint its content.
Constructor Detail |
---|
public AbstractCenterPart(org.eclipse.swt.widgets.Composite parent)
parent
- Parent of the canvas.Method Detail |
---|
public void dispose()
dispose
in class org.eclipse.swt.widgets.Widget
Widget.dispose()
public abstract void doPaint(org.eclipse.swt.graphics.GC gc)
gc
- GC
used for the painting.protected void drawLine(org.eclipse.swt.graphics.GC gc, ModelContentMergeTabItem leftItem, ModelContentMergeTabItem rightItem)
gc
- graphics configuration
on which to actually draw.leftItem
- Left of the two items to connect.rightItem
- Right of the items to connect.protected java.util.List<DiffElement> retainVisibleDiffs(java.util.List<ModelContentMergeTabItem> leftVisible, java.util.List<ModelContentMergeTabItem> rightVisible)
leftVisible
- Items visible on the left part.rightVisible
- Items visible on the right part.
|
Copyright 2006 IBM Corporation and others. All Rights Reserved. |
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |