org.vishia.gral.swt

Class SwtCanvasStorePanel

java.lang.Object

org.vishia.gral.base.GralWidget.ImplAccess

org.vishia.gral.base.GralPanelContent.ImplAccess

org.vishia.gral.swt.SwtPanel

org.vishia.gral.swt.SwtCanvasStorePanel

All Implemented Interfaces:

GralWidgImpl_ifc

Direct Known Subclasses:

SwtGridPanel

public class SwtCanvasStorePanel
extends SwtPanel

Class to store some graphical figures to draw it in its SwtCanvasStorePanel.SwtCanvas.drawBackground(GC, int, int, int, int)-routine. The figures are stored with its coordinates and it are drawn if necessary.

It can contain some GUI-Elements like Button, Text, Label, Table etc from org.eclipse.swt.widgets. The graphical figures are shown as background than.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	SwtCanvasStorePanel.SwtCanvas Implementation class for Canvas for Swt This class is a org.eclipse.swt.widgets.Composite.
static class	SwtCanvasStorePanel.SwtPolyLine

Field Summary

Fields

Modifier and Type	Field and Description
protected org.eclipse.swt.graphics.Color	currColor
private static long	serialVersionUID The storage for the Canvas content.
protected SwtCanvasStorePanel.SwtCanvas	swtCanvas

Fields inherited from class org.vishia.gral.swt.SwtPanel

itsTabSwt, panelComposite, resizeItemListener, version

Fields inherited from class org.vishia.gral.base.GralWidget.ImplAccess

chgBitsDerived, chgColorBack, chgColorLine, chgColorText, chgEditable, chgFloat, chgFocus, chgFont, chgIntg, chgInvisible, chgObjects, chgPos, chgText, chgVisible, chgVisibleInfo, pixBounds, wdgimpl, widgg

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SwtCanvasStorePanel(GralPanelContent panelg) Constructor called in derived classes.
	SwtCanvasStorePanel(GralPanelContent panelg, org.eclipse.swt.widgets.Composite parent, int style, org.eclipse.swt.graphics.Color backGround, GralMng gralMng) Constructs the instance with a SWT-Canvas Panel.

Method Summary

Modifier and Type	Method and Description
org.eclipse.swt.widgets.Control	getWidgetImplementation() Returns the implementation class of the widget.
boolean	setFocusGThread() Sets the focus to the widget.
(package private) void	stop()
void	xxxsetForeground(org.eclipse.swt.graphics.Color color)

Methods inherited from class org.vishia.gral.swt.SwtPanel

getPixelPositionSize, getPixelSize, remove, removeWidgetImplementation, repaintGthread, setBoundsPixel, setVisibleGThread

Methods inherited from class org.vishia.gral.base.GralPanelContent.ImplAccess

gralPanel

Methods inherited from class org.vishia.gral.base.GralWidget.ImplAccess

acknChanged, actionShow, dyda, getActionChange, getChanged, gralWidgetFromImplData, setDragEnable, setDropEnable, setFocused, setTextChanged, setVisibleState, XXXfocusGained

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

swtCanvas

protected SwtCanvasStorePanel.SwtCanvas swtCanvas

serialVersionUID

private static final long serialVersionUID

The storage for the Canvas content.

See Also:

Constant Field Values

currColor

protected org.eclipse.swt.graphics.Color currColor

Constructor Detail

SwtCanvasStorePanel

public SwtCanvasStorePanel(GralPanelContent panelg,
                           org.eclipse.swt.widgets.Composite parent,
                           int style,
                           org.eclipse.swt.graphics.Color backGround,
                           GralMng gralMng)

Constructs the instance with a SWT-Canvas Panel.

Parameters:

parent -

style -

backGround -

SwtCanvasStorePanel

protected SwtCanvasStorePanel(GralPanelContent panelg)

Constructor called in derived classes. The derived class have to be instantiate the Canvas maybe with other draw routines.

Method Detail

xxxsetForeground

public void xxxsetForeground(org.eclipse.swt.graphics.Color color)

getWidgetImplementation

public org.eclipse.swt.widgets.Control getWidgetImplementation()

Description copied from interface: GralWidgImpl_ifc

Returns the implementation class of the widget. If the widget has more as one implementation widgets, this method returns one of the widgets, usual the first important one respectively that widget which represents the implementation layer. A widget of the implementation layer is a SWT.control or a Component.

If more as one widget are part of the GralWidget, use the special GralWidget._wdgImpl class which should contain the references to that implementation widgets.

Specified by:

getWidgetImplementation in interface GralWidgImpl_ifc

Overrides:

getWidgetImplementation in class SwtPanel

setFocusGThread

public boolean setFocusGThread()

Description copied from interface: GralWidgImpl_ifc

Sets the focus to the widget. See GralMng_ifc#setFocus(GralWidget).

Specified by:

setFocusGThread in interface GralWidgImpl_ifc

Overrides:

setFocusGThread in class SwtPanel

Returns:

true if it has the focus after this operation. false on any error.

stop

void stop()