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/*******************************************************************************
* Copyright (c) 2006, 2007 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.team.internal.ui.mapping;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.resources.mapping.*;
import org.eclipse.jface.action.*;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.*;
import org.eclipse.team.core.mapping.*;
import org.eclipse.team.internal.ui.*;
import org.eclipse.team.ui.TeamImages;
import org.eclipse.team.ui.TeamUI;
import org.eclipse.team.ui.mapping.ITeamContentProviderDescriptor;
import org.eclipse.team.ui.mapping.ITeamContentProviderManager;
import org.eclipse.team.ui.synchronize.*;
public class ModelSelectionDropDownAction extends Action implements ISynchronizationScopeChangeListener {
private final ISynchronizePageConfiguration configuration;
private MenuManager menuManager;
private Action showAllAction;
private org.eclipse.jface.util.IPropertyChangeListener listener;
private MenuCreator menuCreator;
private Action showAllFlatAction;
private class MenuCreator implements IMenuCreator {
@Override
public void dispose() {
if(menuManager != null) {
menuManager.dispose();
menuManager = null;
}
}
@Override
public Menu getMenu(Control parent) {
Menu fMenu = null;
if (menuManager == null) {
menuManager = new MenuManager();
fMenu = menuManager.createContextMenu(parent);
menuManager.add(showAllAction);
showAllAction.setChecked(getActiveProviderId().equals(ModelSynchronizeParticipant.ALL_MODEL_PROVIDERS_VISIBLE));
showAllFlatAction.setChecked(isFlatEnabled());
ModelProvider[] modelProviders = getEnabledModelProviders();
if (modelProviders.length > 0)
menuManager.add(new Separator());
addModelsToMenu(modelProviders);
menuManager.add(new Separator());
menuManager.add(showAllFlatAction);
menuManager.update(true);
} else {
fMenu = menuManager.getMenu();
}
return fMenu;
}
@Override
public Menu getMenu(Menu parent) {
return null;
}
}
public ModelSelectionDropDownAction(ISynchronizePageConfiguration configuration) {
Utils.initAction(this, "action.pickModels."); //$NON-NLS-1$
this.configuration = configuration;
listener = new org.eclipse.jface.util.IPropertyChangeListener() {
@Override
public void propertyChange(org.eclipse.jface.util.PropertyChangeEvent event) {
if (event.getProperty() == ModelSynchronizeParticipant.P_VISIBLE_MODEL_PROVIDER) {
update();
}
if (event.getProperty().equals(ITeamContentProviderManager.PROP_ENABLED_MODEL_PROVIDERS)) {
rebuildMenu();
}
}
};
this.configuration.addPropertyChangeListener(listener);
TeamUI.getTeamContentProviderManager().addPropertyChangeListener(listener);
getSynchronizationContext().getScope().addScopeChangeListener(this);
showAllAction = new Action(TeamUIMessages.ModelSelectionDropDownAction_0, IAction.AS_RADIO_BUTTON) {
@Override
public void run() {
ModelSelectionDropDownAction.this.configuration.setProperty(
ModelSynchronizeParticipant.P_VISIBLE_MODEL_PROVIDER,
ModelSynchronizeParticipant.ALL_MODEL_PROVIDERS_VISIBLE);
}
};
//showAllAction.setImageDescriptor(TeamImages.getImageDescriptor(ITeamUIImages.IMG_HIERARCHICAL));
//showAllAction.setActionDefinitionId("org.eclipse.team.ui.showAllModels"); //$NON-NLS-1$
showAllFlatAction = new Action(TeamUIMessages.ModelSelectionDropDownAction_2, IAction.AS_CHECK_BOX) {
@Override
public void run() {
boolean checked = showAllFlatAction.isChecked();
ModelSelectionDropDownAction.this.configuration.setProperty(
ITeamContentProviderManager.PROP_PAGE_LAYOUT,
checked ? ITeamContentProviderManager.FLAT_LAYOUT : ITeamContentProviderManager.TREE_LAYOUT);
}
};
showAllFlatAction.setImageDescriptor(TeamImages.getImageDescriptor(ITeamUIImages.IMG_FLAT));
//showAllAction.setActionDefinitionId("org.eclipse.team.ui.showAllModels"); //$NON-NLS-1$
menuCreator = new MenuCreator();
setMenuCreator(menuCreator);
update();
}
private ISynchronizationContext getSynchronizationContext() {
return (ISynchronizationContext)configuration.getProperty(ITeamContentProviderManager.P_SYNCHRONIZATION_CONTEXT);
}
public void dispose() {
if (menuCreator != null)
menuCreator.dispose();
getSynchronizationContext().getScope().removeScopeChangeListener(this);
configuration.removePropertyChangeListener(listener);
TeamUI.getTeamContentProviderManager().removePropertyChangeListener(listener);
}
private ModelProvider[] getEnabledModelProviders() {
Set result = new HashSet();
ModelProvider[] providers = ((ModelSynchronizeParticipant)configuration.getParticipant()).getEnabledModelProviders();
providers = ModelMergeOperation.sortByExtension(providers);
for (int i = 0; i < providers.length; i++) {
ModelProvider provider = providers[i];
ITeamContentProviderDescriptor desc = TeamUI.getTeamContentProviderManager().getDescriptor(provider.getId());
if (desc != null && desc.isEnabled()) {
result.add(provider);
}
}
return (ModelProvider[]) result.toArray(new ModelProvider[result.size()]);
}
private void addModelsToMenu(ModelProvider[] modelProviders) {
String id = getActiveProviderId();
for (int i = 0; i < modelProviders.length; i++) {
ModelProvider provider = modelProviders[i];
Action action = new ShowModelProviderAction(configuration, provider);
action.setChecked(provider.getDescriptor().getId().equals(id));
menuManager.add(action);
}
}
private String getActiveProviderId() {
String id = (String)configuration.getProperty(ModelSynchronizeParticipant.P_VISIBLE_MODEL_PROVIDER);
if (id == null)
id = ModelSynchronizeParticipant.ALL_MODEL_PROVIDERS_VISIBLE;
return id;
}
private ModelProvider getNextProvider() {
ModelProvider[] providers = getSynchronizationContext().getScope().getModelProviders();
if (providers.length == 0)
return null;
providers = ModelOperation.sortByExtension(providers);
String id = getActiveProviderId();
int index = 0;
if (id != null) {
for (int i = 0; i < providers.length; i++) {
ModelProvider provider = providers[i];
if (provider.getDescriptor().getId().equals(id)) {
index = i + 1;
break;
}
}
if (index == providers.length)
index = 0;
}
return providers[index];
}
public void update() {
ModelProvider next = getNextProvider();
if (next == null) return;
String text = NLS.bind(TeamUIMessages.ModelSelectionDropDownAction_1, next.getDescriptor().getLabel());
setToolTipText(text);
setText(text);
if (menuManager != null) {
showAllAction.setChecked(getActiveProviderId().equals(ModelSynchronizeParticipant.ALL_MODEL_PROVIDERS_VISIBLE));
showAllFlatAction.setChecked(isFlatEnabled());
IContributionItem[] items = menuManager.getItems();
for (int i = 0; i < items.length; i++) {
IContributionItem item = items[i];
if (item instanceof ActionContributionItem) {
ActionContributionItem aci = (ActionContributionItem) item;
IAction a = aci.getAction();
if (a instanceof ShowModelProviderAction) {
ShowModelProviderAction action = (ShowModelProviderAction) a;
action.setChecked(action.getProviderId().equals(getActiveProviderId()));
}
}
}
}
// TODO: need to update the check mark
}
private boolean isFlatEnabled() {
String p = (String)configuration.getProperty(ITeamContentProviderManager.PROP_PAGE_LAYOUT);
return p != null && p.equals(ITeamContentProviderManager.FLAT_LAYOUT);
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IAction#run()
*/
@Override
public void run() {
ModelProvider next = getNextProvider();
if (next == null) return;
Action action = new ShowModelProviderAction(configuration, next);
action.run();
}
/* (non-Javadoc)
* @see org.eclipse.team.core.mapping.ISynchronizationScopeChangeListener#scopeChanged(org.eclipse.team.core.mapping.ISynchronizationScope, org.eclipse.core.resources.mapping.ResourceMapping[], org.eclipse.core.resources.mapping.ResourceTraversal[])
*/
@Override
public void scopeChanged(ISynchronizationScope scope, ResourceMapping[] newMappings, ResourceTraversal[] newTraversals) {
if (newMappings.length > 0) {
rebuildMenu();
}
}
private void rebuildMenu() {
Display display = TeamUIPlugin.getStandardDisplay();
display.asyncExec(new Runnable() {
@Override
public void run() {
if(menuManager != null) {
menuManager.dispose();
menuManager = null;
}
update();
}
});
}
}
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