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/*******************************************************************************
* Copyright (c) 2000, 2015 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.search.internal.ui;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IMenuCreator;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.model.WorkbenchViewerSorter;
/**
* Drop down action that holds the currently registered sort actions.
* @deprecated old search
*/
@Deprecated
class SortDropDownAction extends Action implements IMenuCreator {
// Persistance tags.
private static final String TAG_SORTERS= "sorters"; //$NON-NLS-1$
private static final String TAG_DEFAULT_SORTERS= "defaultSorters"; //$NON-NLS-1$
private static final String TAG_ELEMENT= "element"; //$NON-NLS-1$
private static final String TAG_PAGE_ID= "pageId"; //$NON-NLS-1$
private static final String TAG_SORTER_ID= "sorterId"; //$NON-NLS-1$
private static Map<String, SorterDescriptor> fgLastCheckedForType= new HashMap<>(5);
private SearchResultViewer fViewer;
private String fPageId;
private Menu fMenu;
private Map<String, SorterDescriptor> fLastCheckedForType;
public SortDropDownAction(SearchResultViewer viewer) {
super(SearchMessages.SortDropDownAction_label);
SearchPluginImages.setImageDescriptors(this, SearchPluginImages.T_LCL, SearchPluginImages.IMG_LCL_SEARCH_SORT);
fViewer= viewer;
setToolTipText(SearchMessages.SortDropDownAction_tooltip);
setMenuCreator(this);
fLastCheckedForType= new HashMap<>(5);
}
@Override
public void dispose() {
if (fMenu != null && !fMenu.isDisposed())
fMenu.dispose();
fMenu= null;
}
@Override
public Menu getMenu(Control parent) {
return null;
}
void setPageId(String pageId) {
fPageId= pageId;
SorterDescriptor sorterDesc= fLastCheckedForType.get(pageId);
if (sorterDesc == null)
sorterDesc= fgLastCheckedForType.get(pageId);
if (sorterDesc == null)
sorterDesc= findSorter(fPageId);
if (sorterDesc != null) {
setChecked(sorterDesc);
fViewer.setSorter(sorterDesc.createObject());
} else {
// Use default sort workbench viewer sorter
fViewer.setSorter(new WorkbenchViewerSorter());
}
}
@Override
public Menu getMenu(final Menu parent) {
dispose(); // ensure old menu gets disposed
fMenu= new Menu(parent);
Iterator<SorterDescriptor> iter= SearchPlugin.getDefault().getSorterDescriptors().iterator();
while (iter.hasNext()) {
Object value= fLastCheckedForType.get(fPageId);
final String checkedId;
if (value instanceof SorterDescriptor)
checkedId= ((SorterDescriptor)value).getId();
else
checkedId= ""; //$NON-NLS-1$
final SorterDescriptor sorterDesc= iter.next();
if (!sorterDesc.getPageId().equals(fPageId) && !sorterDesc.getPageId().equals("*")) //$NON-NLS-1$
continue;
final ViewerSorter sorter= sorterDesc.createObject();
if (sorter != null) {
final Action action= new Action() {
@Override
public void run() {
if (!checkedId.equals(sorterDesc.getId())) {
SortDropDownAction.this.setChecked(sorterDesc);
BusyIndicator.showWhile(parent.getDisplay(), new Runnable() {
@Override
public void run() {
fViewer.setSorter(sorter);
}
});
}
}
};
action.setText(sorterDesc.getLabel());
action.setImageDescriptor(sorterDesc.getImage());
action.setToolTipText(sorterDesc.getToolTipText());
action.setChecked(checkedId.equals(sorterDesc.getId()));
addActionToMenu(fMenu, action);
}
}
return fMenu;
}
protected void addActionToMenu(Menu parent, Action action) {
ActionContributionItem item= new ActionContributionItem(action);
item.fill(parent, -1);
}
@Override
public void run() {
// nothing to do
}
private SorterDescriptor findSorter(String pageId) {
Iterator<SorterDescriptor> iter= SearchPlugin.getDefault().getSorterDescriptors().iterator();
while (iter.hasNext()) {
SorterDescriptor sorterDesc= iter.next();
if (sorterDesc.getPageId().equals(pageId) || sorterDesc.getPageId().equals("*")) //$NON-NLS-1$
return sorterDesc;
}
return null;
}
private SorterDescriptor getSorter(String sorterId) {
Iterator<SorterDescriptor> iter= SearchPlugin.getDefault().getSorterDescriptors().iterator();
while (iter.hasNext()) {
SorterDescriptor sorterDesc= iter.next();
if (sorterDesc.getId().equals(sorterId))
return sorterDesc;
}
return null;
}
private void setChecked(SorterDescriptor sorterDesc) {
fLastCheckedForType.put(fPageId, sorterDesc);
fgLastCheckedForType.put(fPageId, sorterDesc);
}
/**
* Disposes this action's menu and returns a new unused instance.
* @return the action
*/
SortDropDownAction renew() {
SortDropDownAction action= new SortDropDownAction(fViewer);
action.fLastCheckedForType= fLastCheckedForType;
action.fPageId= fPageId;
dispose();
return action;
}
//--- Persistency -------------------------------------------------
void restoreState(IMemento memento) {
if (fLastCheckedForType.isEmpty())
restoreState(memento, fLastCheckedForType, TAG_SORTERS);
if (fgLastCheckedForType.isEmpty())
restoreState(memento, fgLastCheckedForType, TAG_DEFAULT_SORTERS);
}
private void restoreState(IMemento memento, Map<String, SorterDescriptor> map, String mapName) {
memento= memento.getChild(mapName);
if (memento == null)
return;
IMemento[] mementoElements= memento.getChildren(TAG_ELEMENT);
for (int i= 0; i < mementoElements.length; i++) {
String pageId= mementoElements[i].getString(TAG_PAGE_ID);
String sorterId= mementoElements[i].getString(TAG_SORTER_ID);
SorterDescriptor sorterDesc= getSorter(sorterId);
if (sorterDesc != null)
map.put(pageId, sorterDesc);
}
}
void saveState(IMemento memento) {
saveState(memento, fgLastCheckedForType, TAG_DEFAULT_SORTERS);
saveState(memento, fLastCheckedForType, TAG_SORTERS);
}
private void saveState(IMemento memento, Map<String, SorterDescriptor> map, String mapName) {
Iterator<Entry<String, SorterDescriptor>> iter= map.entrySet().iterator();
memento= memento.createChild(mapName);
while (iter.hasNext()) {
IMemento mementoElement= memento.createChild(TAG_ELEMENT);
Entry<String, SorterDescriptor> entry= iter.next();
mementoElement.putString(TAG_PAGE_ID, entry.getKey());
mementoElement.putString(TAG_SORTER_ID, entry.getValue().getId());
}
}
int getSorterCount() {
int count= 0;
Iterator<SorterDescriptor> iter= SearchPlugin.getDefault().getSorterDescriptors().iterator();
while (iter.hasNext()) {
SorterDescriptor sorterDesc= iter.next();
if (sorterDesc.getPageId().equals(fPageId) || sorterDesc.getPageId().equals("*")) //$NON-NLS-1$
count++;
}
return count;
}
}
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