com.iizigo.vs

Class ValuePanel

java.lang.Object

ScrolledComposite

com.iizigo.vs.ValuePanel

All Implemented Interfaces:

IContextMenuContributor, IContextMenuContributorFormControl<Viewer>, IVirtualSpacePanel, IVSComponentListener, IVSComponentState, IVSFieldListener

public class ValuePanel
extends ScrolledComposite
implements IVirtualSpacePanel, IContextMenuContributor, IVSFieldListener

Panel used for the Value in the VirtualSpace.

Author:

Christopher Mindus

Nested Class Summary

Nested classes/interfaces inherited from interface com.iizix.prop.vs.IVSComponentState

IVSComponentState.State

Method Summary

Modifier and Type	Method and Description
void	appendMenuItems(Viewer viewer, IzMenu menu, DesignerProp target) Called to append menu items.
boolean	doAddExpandCollapseAll(Viewer viewer, IzMenu menu, DesignerProp target) Checks if expand/collapse all menu items should be added.
Value.Type	getBestVSFieldValueType(VSRelativeReference<?> reference) Requests the value type that would best suit the listener.
DesignerProp	getTarget() Gets the default target when none other is found for the pop-up menu in the viewer.
void	onBroken(VSRelativeReference<?> reference, VSField field) Called when the property reference has been broken, i.e.
void	onConnections(IVSFieldListener[] listeners) Called to update the connections.
void	onEditedProperty(GProp<?> _field) Selection changed for panel.
void	onParentStateChanged(IVSComponent parent, IVSComponentState.State state, boolean on) Called when the parent changes state.
void	onResolved(VSRelativeReference<?> reference, VSField field) Called when the property reference has been resolved.
void	onStateChanged(VSField field, IVSComponentState.State state, boolean on) Called when the field changes state.
void	onValueChanged(VSField field, Value value, GProp<?> trigger, IPostEventProcessing pp) Called when the field value is set.
void	prependMenuItems(Viewer viewer, IzMenu menu, DesignerProp target) Called to prepend menu items.
void	saveSettings() Saves the settings.

Methods inherited from class java.lang.Object

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

Method Detail

saveSettings

public void saveSettings()

Saves the settings.

Specified by:

saveSettings in interface IVirtualSpacePanel

onEditedProperty

public void onEditedProperty(GProp<?> _field)

Selection changed for panel.

Specified by:

onEditedProperty in interface IVirtualSpacePanel

prependMenuItems

public void prependMenuItems(Viewer viewer,
                             IzMenu menu,
                             DesignerProp target)

Called to prepend menu items.

Specified by:

prependMenuItems in interface IContextMenuContributor

Specified by:

prependMenuItems in interface IContextMenuContributorFormControl<Viewer>

Parameters:

viewer - The viewer.

menu - The pop-up menu.

target - The selected target in the viewer, null for none.

appendMenuItems

public void appendMenuItems(Viewer viewer,
                            IzMenu menu,
                            DesignerProp target)

Called to append menu items.

Specified by:

appendMenuItems in interface IContextMenuContributor

Specified by:

appendMenuItems in interface IContextMenuContributorFormControl<Viewer>

Parameters:

viewer - The viewer.

menu - The pop-up menu.

target - The selected target in the viewer, null for none.

doAddExpandCollapseAll

public boolean doAddExpandCollapseAll(Viewer viewer,
                                      IzMenu menu,
                                      DesignerProp target)

Checks if expand/collapse all menu items should be added.

Specified by:

doAddExpandCollapseAll in interface IContextMenuContributor

getTarget

public DesignerProp getTarget()

Gets the default target when none other is found for the pop-up menu in the viewer.

Specified by:

getTarget in interface IContextMenuContributor

Specified by:

getTarget in interface IContextMenuContributorFormControl<Viewer>

Returns:

The target, or null to use the default edited property.

onConnections

public void onConnections(IVSFieldListener[] listeners)

Called to update the connections.

getBestVSFieldValueType

public Value.Type getBestVSFieldValueType(VSRelativeReference<?> reference)

Description copied from interface: IVSFieldListener

Requests the value type that would best suit the listener.

Specified by:

getBestVSFieldValueType in interface IVSFieldListener

Parameters:

reference - The VSRelativeReference instance holding the reference.

Returns:

null if none is available.

onResolved

public void onResolved(VSRelativeReference<?> reference,
                       VSField field)

Description copied from interface: IVSFieldListener

Called when the property reference has been resolved. UI components use this method to set its state according to the field.

Specified by:

onResolved in interface IVSFieldListener

Parameters:

reference - The VSRelativeReference instance holding the reference.

field - The target reference.

onBroken

public void onBroken(VSRelativeReference<?> reference,
                     VSField field)

Description copied from interface: IVSFieldListener

Called when the property reference has been broken, i.e. unresolved.

Specified by:

onBroken in interface IVSFieldListener

Parameters:

reference - The VSRelativeReference instance holding the reference.

field - The target reference.

onStateChanged

public void onStateChanged(VSField field,
                           IVSComponentState.State state,
                           boolean on)

Description copied from interface: IVSFieldListener

Called when the field changes state.

Specified by:

onStateChanged in interface IVSFieldListener

Parameters:

field - The VS field.

state - The state change.

on - New state.

onParentStateChanged

public void onParentStateChanged(IVSComponent parent,
                                 IVSComponentState.State state,
                                 boolean on)

Description copied from interface: IVSComponentListener

Called when the parent changes state.

Specified by:

onParentStateChanged in interface IVSComponentListener

Parameters:

parent - The parent who's state was changed.

state - The state change, possible values PARENT_ENABLED, PARENT_READONLY, PARENT_VISIBLE.

on - New state.

onValueChanged

public void onValueChanged(VSField field,
                           Value value,
                           GProp<?> trigger,
                           IPostEventProcessing pp)

Description copied from interface: IVSFieldListener

Called when the field value is set.

Specified by:

onValueChanged in interface IVSFieldListener

Parameters:

field - The VS field.

value - The value, never null, but value.isNull() could be true.

trigger - The trigger property that may be null.

pp - Post-processing instance.