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modified RefreshableMultiSelectionModel

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This commit is contained in:
Lukas Furmanek committed 2015-12-04 16:49:11 +01:00
1 parent cf77d0bc77
commit bb14440220
1 file changed
+35 -28
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java/com.sap.sse.gwt/src/com/sap/sse/gwt/client/celltable/RefreshableMultiSelectionModel.java
+35 -28
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@@ -32,6 +32,7 @@ public class RefreshableMultiSelectionModel<T> extends MultiSelectionModel<T>
implements RefreshableSelectionModel<T>, HasData<T> {
private final EntityIdentityComparator<T> comp;
private final List<T> elements;
private boolean dontcheckSelectionState = false;
/**
* @param comp
@@ -66,7 +67,7 @@ public class RefreshableMultiSelectionModel<T> extends MultiSelectionModel<T>
*/
@Override
public void setSelected(T item, boolean selected) {
if (comp == null) {
if (comp == null || dontcheckSelectionState) {
super.setSelected(item, selected);
} else {
T wasSelectedBefore = null;
@@ -93,13 +94,14 @@ public class RefreshableMultiSelectionModel<T> extends MultiSelectionModel<T>
* FIXME change to private
*/
public void refreshSelectionModel(Iterable<T> newObjects) {
dontcheckSelectionState = true;
final Set<T> selectedSet = getSelectedSet();
final boolean isNotEmpty = !selectedSet.isEmpty();
clear();
if (isNotEmpty) {
clear();
for (T it : newObjects) {
if (comp == null) {
super.setSelected(it, selectedSet.contains(it));
setSelected(it, selectedSet.contains(it));
} else {
boolean isSelected = false;
for (T selected : selectedSet) {
@@ -108,11 +110,12 @@ public class RefreshableMultiSelectionModel<T> extends MultiSelectionModel<T>
break;
}
}
super.setSelected(it, isSelected);
setSelected(it, isSelected);
}
}
SelectionChangeEvent.fire(this);
}
dontcheckSelectionState = false;
}
/**
@@ -124,12 +127,13 @@ public class RefreshableMultiSelectionModel<T> extends MultiSelectionModel<T>
*/
@Override
public void refreshSelectionModel(int start, List<T> newObjects) {
dontcheckSelectionState = true;
List<T> oldElements = elements.subList(start, elements.size());
Set<T> selectedElements = new HashSet<T>();
for (T it : oldElements) {
if (isSelected(it)) {
selectedElements.add(it);
super.setSelected(it, false);
setSelected(it, false);
}
}
if (!selectedElements.isEmpty()) {
@@ -137,46 +141,49 @@ public class RefreshableMultiSelectionModel<T> extends MultiSelectionModel<T>
if (comp != null) {
for (T selected : selectedElements) {
if (comp.representSameEntity(selected, newElement)) {
super.setSelected(newElement, true);
setSelected(newElement, true);
break;
}
}
} else {
if (selectedElements.contains(newElement)) {
super.setSelected(newElement, true);
setSelected(newElement, true);
}
}
}
SelectionChangeEvent.fire(this);
}
isSelected(newObjects.iterator().next()); // Triggers a clear of unselected elements in superclass
dontcheckSelectionState = false;
}
@SuppressWarnings("unchecked")
@Override
public void setRowData(int start, List<? extends T> values) {
// refresh the selectionModel
if (start > 0 && values.size() > 0) {
refreshSelectionModel(start, (List<T>) values);
} else {
refreshSelectionModel((Iterable<T>) values);
}
// refresh the element list
// TODO discuss with Axel if this depends to much of the implementation of ListDataProvider
if (values.isEmpty()) {
elements.clear();
} else if (elements.isEmpty()) {
elements.addAll(values);
} else if (values.size() == 1) {
elements.set(start, values.get(0));
} else if (start == 0) {
elements.clear();
elements.addAll(values);
} else {
for (int i = start; i < elements.size(); i++) {
elements.remove(i);
if (!values.equals(elements.subList(start, elements.size()))) {
// refresh the selectionModel
if (start == 0 && (values.size() > 1 || values.size()==0)) {
refreshSelectionModel((Iterable<T>) values);
} else {
refreshSelectionModel(start, (List<T>) values);
}
// refresh the element list
// TODO discuss with Axel if this depends to much of the implementation of ListDataProvider
if (values.isEmpty()) {
elements.clear();
} else if (elements.isEmpty()) {
elements.addAll(values);
} else if (values.size() == 1) {
elements.set(start, values.get(0));
} else if (start == 0) {
elements.clear();
elements.addAll(values);
} else {
for (int i = start; i < elements.size(); i++) {
elements.remove(i);
}
elements.addAll(values);
}
elements.addAll(values);
}
}