Java tutorial
/* Copyright (C) 2009 Mobile Sorcery AB This program is free software; you can redistribute it and/or modify it under the terms of the Eclipse Public License v1.0. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Eclipse Public License v1.0 for more details. You should have received a copy of the Eclipse Public License v1.0 along with this program. It is also available at http://www.eclipse.org/legal/epl-v10.html */ package com.mobilesorcery.sdk.profiles.ui.internal; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.text.MessageFormat; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.ListenerList; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.preference.PreferenceDialog; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.ISelectionProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.SashForm; import org.eclipse.swt.custom.StackLayout; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Listener; import org.eclipse.ui.IViewSite; import org.eclipse.ui.PartInitException; import org.eclipse.ui.dialogs.PreferencesUtil; import org.eclipse.ui.part.ViewPart; import com.mobilesorcery.sdk.core.CoreMoSyncPlugin; import com.mobilesorcery.sdk.core.IUpdater; import com.mobilesorcery.sdk.core.MoSyncProject; import com.mobilesorcery.sdk.core.MoSyncTool; import com.mobilesorcery.sdk.profiles.IDeviceFilter; import com.mobilesorcery.sdk.profiles.IProfile; import com.mobilesorcery.sdk.profiles.IVendor; import com.mobilesorcery.sdk.profiles.filter.CompositeDeviceFilter; import com.mobilesorcery.sdk.profiles.ui.DeviceFilterComposite; import com.mobilesorcery.sdk.profiles.ui.DeviceViewerFilter; import com.mobilesorcery.sdk.profiles.ui.internal.actions.FinalizeForProfileAction; import com.mobilesorcery.sdk.profiles.ui.internal.actions.SetTargetProfileAction; import com.mobilesorcery.sdk.profiles.ui.internal.actions.ShowProfileInfoAction; import com.mobilesorcery.sdk.ui.MosyncUIPlugin; import com.mobilesorcery.sdk.ui.ProfileContentProvider; import com.mobilesorcery.sdk.ui.ProfileLabelProvider; public class ProfilesView extends ViewPart implements PropertyChangeListener { class InternalSelectionProvider implements ISelectionProvider { // The class is a fix for bug #917 -- if useful for other plugins please refactor ListenerList listeners = new ListenerList(); private ISelection selection = new StructuredSelection(); @Override public void addSelectionChangedListener(ISelectionChangedListener listener) { listeners.add(listener); } @Override public ISelection getSelection() { return selection; } @Override public void removeSelectionChangedListener(ISelectionChangedListener listener) { listeners.remove(listener); } @Override public void setSelection(ISelection selection) { this.selection = selection; for (Object listener : listeners.getListeners()) { SelectionChangedEvent event = new SelectionChangedEvent(this, selection); ((ISelectionChangedListener) listener).selectionChanged(event); } } } private final SetTargetProfileAction setTargetAction = new SetTargetProfileAction(); private final ShowProfileInfoAction showProfileInfo = new ShowProfileInfoAction(); private final FinalizeForProfileAction buildForProfile = new FinalizeForProfileAction(); private TreeViewer profileTree; private ProfileLabelProvider profileLabelProvider; private DeviceFilterComposite deviceFilter; private Label projectLabel; private StackLayout stackLayout; private Composite profilePane; private Composite main; private Composite errorPane; private Link errorMessage; private MoSyncProject currentProject; private Link currentTarget; private InternalSelectionProvider selectionProvider; public ProfilesView() { } @Override public void setFocus() { } @Override public void init(IViewSite site) throws PartInitException { super.init(site); MoSyncTool.getDefault().addPropertyChangeListener(this); } @Override public void dispose() { MosyncUIPlugin.getDefault().removeListener(this); profileLabelProvider.dispose(); MoSyncTool.getDefault().removePropertyChangeListener(this); } @Override public void createPartControl(Composite parent) { main = new Composite(parent, SWT.NONE); stackLayout = new StackLayout(); main.setLayout(stackLayout); createProfilesControl(main); createErrorPane(main); updateVisiblePane(); } private void updateVisiblePane() { String errorMessage = MoSyncTool.getDefault().validate(); updateErrorMessage(); stackLayout.topControl = errorMessage == null ? profilePane : errorPane; main.layout(); } private void createErrorPane(Composite parent) { errorPane = new Composite(parent, SWT.NONE); errorPane.setLayout(new GridLayout(1, false)); errorMessage = new Link(errorPane, SWT.WRAP); errorMessage.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, true, true)); errorMessage.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent event) { PreferenceDialog dialog = PreferencesUtil.createPreferenceDialogOn( ProfilesView.this.getSite().getShell(), "com.mobilesorcery.sdk.preferences.main", //$NON-NLS-1$ new String[] { "com.mobilesorcery.sdk.preferences.main" }, null); //$NON-NLS-1$ dialog.open(); } }); updateErrorMessage(); } private void updateErrorMessage() { String errorMessage = MoSyncTool.getDefault().validate(); if (errorMessage != null) { this.errorMessage.setText( MessageFormat.format(Messages.ProfilesView_MoSyncToolConfigurationError, errorMessage)); errorPane.layout(); } } public void createProfilesControl(Composite parent) { hookSelectionListener(); profilePane = new Composite(parent, SWT.NONE); profilePane.setLayout(new GridLayout(1, false)); projectLabel = new Label(profilePane, SWT.NONE); GridData projectLabelData = new GridData(SWT.FILL, SWT.DEFAULT, true, false); projectLabel.setLayoutData(projectLabelData); currentTarget = new Link(profilePane, SWT.NONE); currentTarget.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); currentTarget.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { if (currentProject != null) { profileTree.setSelection(new StructuredSelection(currentProject.getTargetProfile()), true); profileTree.getControl().setFocus(); } } }); SashForm main = new SashForm(profilePane, SWT.VERTICAL); GridData mainData = new GridData(SWT.FILL, SWT.FILL, true, true); main.setLayoutData(mainData); // main.setLayout(new FillLayout()); profileTree = new TreeViewer(main, SWT.BORDER); profileLabelProvider = new ProfileLabelProvider(SWT.NONE); profileTree.setLabelProvider(profileLabelProvider); profileTree.setContentProvider(new ProfileContentProvider()); profileTree .setInput(MoSyncTool.getDefault().getProfileManager(MoSyncTool.LEGACY_PROFILE_TYPE).getVendors()); profileTree.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { setTargetAction.setSelection(event.getSelection()); showProfileInfo.setSelection(event.getSelection()); buildForProfile.setSelection(event.getSelection()); } }); initMenu(profileTree.getControl()); profileTree.addDoubleClickListener(new IDoubleClickListener() { @Override public void doubleClick(DoubleClickEvent event) { // Double click should expand, unless it's a leaf. IStructuredSelection selection = (IStructuredSelection) event.getSelection(); if (selection.getFirstElement() instanceof IVendor) { profileTree.setExpandedState(selection.getFirstElement(), !profileTree.getExpandedState(selection.getFirstElement())); } else { setTargetAction.run(); } } }); deviceFilter = new DeviceFilterComposite(main, SWT.NONE); main.setWeights(new int[] { 3, 2 }); Link updateProfiles = new Link(profilePane, SWT.NONE); updateProfiles.setText(Messages.ProfilesView_UpdateProfilesLink); updateProfiles.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent event) { IUpdater updater = CoreMoSyncPlugin.getDefault().getUpdater(); if (updater != null) { updater.update(true); } else { MessageDialog.openError(getSite().getShell(), Messages.ProfilesView_InternalError, Messages.ProfilesView_NoUpdaterPlugin); } } }); updateProfiles.setLayoutData(new GridData(SWT.RIGHT, SWT.BOTTOM, true, false)); selectionProvider = new InternalSelectionProvider(); getSite().setSelectionProvider(selectionProvider); projectChanged(null, null); currentProjectChanged(false); } private void initMenu(Control control) { final MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$ menuMgr.setRemoveAllWhenShown(true); menuMgr.addMenuListener(new IMenuListener() { @Override public void menuAboutToShow(IMenuManager manager) { IStructuredSelection selection = (IStructuredSelection) profileTree.getSelection(); if (selection.size() == 1 && selection.getFirstElement() instanceof IProfile) { menuMgr.add(setTargetAction); menuMgr.add(buildForProfile); menuMgr.add(new Separator()); menuMgr.add(showProfileInfo); } } }); control.setMenu(menuMgr.createContextMenu(control)); } private void hookSelectionListener() { MosyncUIPlugin.getDefault().addListener(this); } private void currentProjectChanged(boolean force) { MoSyncProject newProject = MosyncUIPlugin.getDefault() .getCurrentlySelectedProject(getSite().getWorkbenchWindow()); if (force || currentProject != newProject) { // So we really changed to another // project! projectChanged(currentProject, newProject); } } private void projectChanged(MoSyncProject oldProject, final MoSyncProject newProject) { if (oldProject != null) { oldProject.removePropertyChangeListener(this); } currentProject = newProject; if (newProject != null) { newProject.addPropertyChangeListener(this); } setTargetAction.setCurrentProject(currentProject); buildForProfile.setCurrentProject(currentProject); profileLabelProvider.setTargetProfileProvider(currentProject); profileTree.getTree().getDisplay().asyncExec(new Runnable() { @Override public void run() { if (newProject != null) { profileTree.setInput(newProject.getFilteredVendors()); profileTree.setFilters( new ViewerFilter[] { new DeviceViewerFilter(newProject.getDeviceFilter()) }); deviceFilter.setCurrentProject(newProject); IProfile target = newProject.getTargetProfile(); if (target != null) { profileTree.reveal(newProject.getTargetProfile()); } updateProjectText(newProject); } else { profileTree.setInput( MoSyncTool.getDefault().getProfileManager(MoSyncTool.LEGACY_PROFILE_TYPE).getVendors()); profileTree .setFilters(new ViewerFilter[] { new DeviceViewerFilter(new CompositeDeviceFilter()) }); profileTree.refresh(); } profileTree.getControl().setEnabled(newProject != null); deviceFilter.setEnabled(newProject != null); updateTargetProfileLink(newProject != null ? newProject.getTargetProfile() : null); } }); selectionProvider.setSelection(newProject == null ? new StructuredSelection() : new StructuredSelection(newProject.getWrappedProject())); } protected void updateProjectText(MoSyncProject project) { projectLabel.setText(MessageFormat.format(Messages.ProfilesView_ProfilesForProject, project.getName())); } @Override public void propertyChange(PropertyChangeEvent event) { if (profilePane.isDisposed()) { return; } MoSyncProject currentProject = MosyncUIPlugin.getDefault() .getCurrentlySelectedProject(getSite().getWorkbenchWindow()); if (event.getPropertyName() == MosyncUIPlugin.CURRENT_PROJECT_CHANGED) { currentProjectChanged(false); } else if (event.getPropertyName() == MoSyncTool.MOSYNC_HOME_UPDATED) { updateVisiblePane(); if (currentProject != null) { profileTree.setFilters( new ViewerFilter[] { new DeviceViewerFilter(currentProject.getDeviceFilter()) }); profileTree.setInput( MoSyncTool.getDefault().getProfileManager(MoSyncTool.LEGACY_PROFILE_TYPE).getVendors()); } } else if (event.getPropertyName() == MoSyncProject.TARGET_PROFILE_CHANGED) { Object oldValue = event.getOldValue(); Object newValue = event.getNewValue(); if (oldValue != null) { profileTree.refresh(event.getOldValue()); } if (newValue != null) { profileTree.refresh(event.getNewValue()); } updateTargetProfileLink(currentProject.getTargetProfile()); } else if (event.getSource() instanceof IDeviceFilter) { deviceFilter.setCurrentProject(currentProject); profileTree.setFilters(new ViewerFilter[] { new DeviceViewerFilter(currentProject.getDeviceFilter()) }); profileTree.setInput(currentProject == null ? MoSyncTool.getDefault().getProfileManager(MoSyncTool.LEGACY_PROFILE_TYPE).getVendors() : currentProject.getFilteredVendors()); } else if (event.getPropertyName() == MoSyncTool.PROFILES_UPDATED || event.getPropertyName() == MoSyncProject.PROFILE_MANAGER_TYPE_KEY) { profileTree.getControl().getDisplay().asyncExec(new Runnable() { @Override public void run() { currentProjectChanged(true); } }); } } private void updateTargetProfileLink(IProfile targetProfile) { if (targetProfile != null) { currentTarget.setText(MessageFormat.format(Messages.ProfilesView_CurrentProfile, targetProfile)); } else { currentTarget.setText(Messages.ProfilesView_NoProfileSelected); } } @Override public Object getAdapter(Class adapter) { if (IResource.class.equals(adapter) || IProject.class.equals(adapter)) { return currentProject == null ? null : currentProject.getWrappedProject(); } if (IProfile.class.equals(adapter)) { return currentProject == null ? null : currentProject.getTargetProfile(); } return super.getAdapter(adapter); } }