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package eu.etaxonomy.taxeditor.propertysheet;
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import java.util.Collection;
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import java.util.Vector;
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import org.eclipse.ui.views.properties.IPropertyDescriptor;
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import org.eclipse.ui.views.properties.PropertyDescriptor;
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/**
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* @author p.ciardelli
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* @created 08.05.2008
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* @version 1.0
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*/
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abstract public class CollectionPropertySource implements ICdmBasePropertySource {
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protected Vector<PropertyDescriptor> descriptors = new Vector<PropertyDescriptor>();
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protected Collection<?> collection;
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private Object collectionOwner;
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public CollectionPropertySource(Collection<?> collection) {
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this.collection = collection;
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for (Object item : collection) {
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addDescriptor(item);
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}
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}
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public CollectionPropertySource(Collection<?> collection, Object collectionOwner) {
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this.collection = collection;
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this.collectionOwner = collectionOwner;
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for (Object item : collection) {
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addDescriptor(item);
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}
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}
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protected Object getCollectionOwner() {
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return collectionOwner;
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}
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protected void addDescriptor(Object item) {
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String itemDisplayName = getItemDisplayName(item);
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descriptors.addElement(
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new PropertyDescriptor(item, itemDisplayName));
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}
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/**
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* Returns the label for the name of the property sheet entry.
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* Return "" if the entry should have no label.
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*
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* @param item
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* @return
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*/
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abstract protected String getItemDisplayName(Object item);
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public Object getEditableValue() {
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return this;
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}
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public IPropertyDescriptor[] getPropertyDescriptors() {
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return (IPropertyDescriptor[]) descriptors.toArray(
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new IPropertyDescriptor[descriptors.size()]);
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}
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abstract public Object getPropertyValue(Object id);
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public boolean isPropertySet(Object id) {
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return false;
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}
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public void resetPropertyValue(Object id) {}
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/* (non-Javadoc)
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* @see org.eclipse.ui.views.properties.IPropertySource#setPropertyValue(java.lang.Object, java.lang.Object)
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*/
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abstract public void setPropertyValue(Object id, Object value);
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/**
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* Returns the string that should appear in the parent
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* entry's value field, which is usually "".
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*
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* @return String
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* @see java.lang.Object#toString()
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*/
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@Override
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abstract public String toString();
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}
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