ch.elexis.actions
Class ReadOnceTreeLoader

java.lang.Object
  ch.elexis.actions.PersistentObjectLoader
      ch.elexis.actions.ReadOnceTreeLoader

All Implemented Interfaces:

DelayableJob.IWorker, ViewerConfigurer.ControlFieldListener, ViewerConfigurer.ICommonViewerContentProvider, org.eclipse.jface.viewers.IContentProvider, org.eclipse.jface.viewers.IStructuredContentProvider, org.eclipse.jface.viewers.ITreeContentProvider

public class ReadOnceTreeLoader
extends PersistentObjectLoader
implements org.eclipse.jface.viewers.ITreeContentProvider

A TreeLoader designed to read only once (for immutable data)

Nested Class Summary

Nested classes/interfaces inherited from class ch.elexis.actions.PersistentObjectLoader

PersistentObjectLoader.QueryFilter

Field Summary

protected java.lang.String	orderBy
protected java.lang.String	parentColumn

Fields inherited from class ch.elexis.actions.PersistentObjectLoader

cv, dj, orderFields, PARAM_FIELDNAMES, PARAM_VALUES, qbe

Constructor Summary

ReadOnceTreeLoader(CommonViewer cv, Query<? extends PersistentObject> qbe, java.lang.String parentField, java.lang.String orderBy)

Method Summary

java.lang.Object[]	getChildren(java.lang.Object parent)
java.lang.Object[]	getElements(java.lang.Object inputElement)
java.lang.Object	getParent(java.lang.Object element)
boolean	hasChildren(java.lang.Object element)
void	init() Called after all elements of the CommonViewer are created but before setting input
protected void	setQuery(java.lang.String parent)
org.eclipse.core.runtime.IStatus	work(org.eclipse.core.runtime.IProgressMonitor monitor, java.util.HashMap<java.lang.String,java.lang.Object> params)

Methods inherited from class ch.elexis.actions.PersistentObjectLoader

addQueryFilter, applyQueryFilters, changed, dispose, getQuery, inputChanged, isSuspended, removeQueryFilter, reorder, selected, setOrderFields, setSuspended, startListening, stopListening

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jface.viewers.IContentProvider

dispose, inputChanged

Field Detail

parentColumn

protected java.lang.String parentColumn

orderBy

protected java.lang.String orderBy

Constructor Detail

ReadOnceTreeLoader

public ReadOnceTreeLoader(CommonViewer cv,
                          Query<? extends PersistentObject> qbe,
                          java.lang.String parentField,
                          java.lang.String orderBy)

Method Detail

work

public org.eclipse.core.runtime.IStatus work(org.eclipse.core.runtime.IProgressMonitor monitor,
                                             java.util.HashMap<java.lang.String,java.lang.Object> params)

Specified by:

work in interface DelayableJob.IWorker

getElements

public java.lang.Object[] getElements(java.lang.Object inputElement)

Specified by:

getElements in interface org.eclipse.jface.viewers.IStructuredContentProvider

Specified by:

getElements in interface org.eclipse.jface.viewers.ITreeContentProvider

Overrides:

getElements in class PersistentObjectLoader

getParent

public java.lang.Object getParent(java.lang.Object element)

Specified by:

getParent in interface org.eclipse.jface.viewers.ITreeContentProvider

getChildren

public java.lang.Object[] getChildren(java.lang.Object parent)

Specified by:

getChildren in interface org.eclipse.jface.viewers.ITreeContentProvider

setQuery

protected void setQuery(java.lang.String parent)

init

public void init()

Description copied from interface: ViewerConfigurer.ICommonViewerContentProvider

Called after all elements of the CommonViewer are created but before setting input

Specified by:

init in interface ViewerConfigurer.ICommonViewerContentProvider

Overrides:

init in class PersistentObjectLoader

hasChildren

public boolean hasChildren(java.lang.Object element)

Specified by:

hasChildren in interface org.eclipse.jface.viewers.ITreeContentProvider