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Open a shared model in the editor when it is clicked from the model r…
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…epository browser. Closes eclipse-vorto#91

Signed-off-by: Erle Czar Mantos <[email protected]>
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Erle Czar Mantos committed Apr 13, 2016
1 parent 5fdaffc commit ac4dca9
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Showing 2 changed files with 150 additions and 37 deletions.
24 changes: 24 additions & 0 deletions ...es/org.eclipse.vorto.perspective/src/org/eclipse/vorto/perspective/util/ViewPartUtil.java
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@@ -0,0 +1,24 @@
package org.eclipse.vorto.perspective.util;

import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;

public class ViewPartUtil {

public static Object getFirstSelectedObject(final Class<?> selectionClass, SelectionChangedEvent event) {
if (event.getSelection().isEmpty()) {
return null;
}

if (event.getSelection() instanceof IStructuredSelection) {
IStructuredSelection selection = (IStructuredSelection) event.getSelection();
if (selection.size() > 0) {
if (selectionClass.isInstance(selection.getFirstElement())) {
return selection.getFirstElement();
}
}
}

return null;
}
}
163 changes: 126 additions & 37 deletions ...pse.vorto.perspective/src/org/eclipse/vorto/perspective/view/ModelRepositoryViewPart.java
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Expand Up @@ -14,17 +14,24 @@
*******************************************************************************/
package org.eclipse.vorto.perspective.view;

import java.io.File;
import java.io.IOException;
import java.util.List;

import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.util.LocalSelectionTransfer;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.Transfer;
Expand All @@ -39,6 +46,12 @@
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.part.ViewPart;
import org.eclipse.vorto.codegen.ui.display.MessageDisplayFactory;
import org.eclipse.vorto.core.api.model.model.ModelType;
Expand All @@ -49,6 +62,9 @@
import org.eclipse.vorto.perspective.contentprovider.ModelRepositoryContentProvider;
import org.eclipse.vorto.perspective.dnd.ModelDragListener;
import org.eclipse.vorto.perspective.labelprovider.ModelRepositoryLabelProvider;
import org.eclipse.vorto.perspective.util.ViewPartUtil;

import com.google.common.io.Files;

public class ModelRepositoryViewPart extends ViewPart {

Expand All @@ -65,8 +81,7 @@ public class ModelRepositoryViewPart extends ViewPart {
*/
public static final String ID = "org.eclipse.vorto.perspective.views.ModelRepositoryViewPart";

private IModelRepository modelRepo = ModelRepositoryFactory
.getModelRepository();
private IModelRepository modelRepo = ModelRepositoryFactory.getModelRepository();

private TableViewer viewer;

Expand Down Expand Up @@ -96,53 +111,131 @@ public void widgetSelected(SelectionEvent e) {
searchField = createSearchField(parent, btnSearch);

viewer = createTableViewer(parent, btnSearch);


addOpenSharedModelInEditorListener(viewer);

initContextMenu();
}

private void addOpenSharedModelInEditorListener(TableViewer viewer) {
final IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
if (page == null) {
MessageDisplayFactory.getMessageDisplay().displayError("Cannot get active workbench page. Opening shared model in Editor not possible.");
return;
}

viewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {

ModelResource resource = (ModelResource) ViewPartUtil.getFirstSelectedObject(ModelResource.class, event);

if (resource != null) {
try {
// Create temporary file
File file = File.createTempFile("temp_model_",
getExtension(resource.getId().getModelType()));

// Download shared model and put in temporary file
Files.write(modelRepo.downloadContent(resource.getId()), file);

// Open temporary file in editor
IEditorPart editor = openFileInEditor(page, file);

// Add listener to editor close event, so we can delete the file when editor is closed
if (editor != null) {
page.addPartListener(onEditorCloseListener(page, editor, file));
}
} catch (IOException | RuntimeException e) {
e.printStackTrace();
}
}
}
});
}

private IPartListener onEditorCloseListener(final IWorkbenchPage page, final IWorkbenchPart editor, final File file) {
return new IPartListener() {
public void partActivated(IWorkbenchPart part) {}
public void partBroughtToTop(IWorkbenchPart part) {}
public void partDeactivated(IWorkbenchPart part) {}
public void partOpened(IWorkbenchPart part) {}

public void partClosed(IWorkbenchPart part) {
if (part == editor) {
if (file.delete()) {
page.removePartListener(this);
}
}
}
};
}

private IEditorPart openFileInEditor(IWorkbenchPage page, File file) {
if (file.exists()) {
try {
return IDE.openEditorOnFileStore(page, EFS.getStore(file.toURI()));
} catch (CoreException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
} else {
return null;
}
}

private String getExtension(ModelType modelType) {
if (modelType == ModelType.Datatype) {
return ".type";
} else if (modelType == ModelType.Functionblock) {
return ".fbmodel";
} else {
return ".infomodel";
}
}

/**
* Create the context menu
*
*/
private void initContextMenu() {
MenuManager menuMgr = new MenuManager("#PopupMenu");
Menu menu = menuMgr.createContextMenu(viewer.getControl());
menuMgr.addMenuListener(new IMenuListener() {
@Override
public void menuAboutToShow(IMenuManager manager) {
if (viewer.getSelection().isEmpty()) {
return;
}
ModelResource model = (ModelResource) viewer.getStructuredSelection().getFirstElement();
if (model.getId().getModelType() == ModelType.InformationModel) {
addListGeneratorsToMenu(manager, model);
}
}
});
menuMgr.setRemoveAllWhenShown(true);
viewer.getControl().setMenu(menu);
menuMgr.addMenuListener(new IMenuListener() {
@Override
public void menuAboutToShow(IMenuManager manager) {
if (viewer.getSelection().isEmpty()) {
return;
}
ModelResource model = (ModelResource) viewer.getStructuredSelection().getFirstElement();
if (model.getId().getModelType() == ModelType.InformationModel) {
addListGeneratorsToMenu(manager, model);
}
}
});
menuMgr.setRemoveAllWhenShown(true);
viewer.getControl().setMenu(menu);
}

/**
* Fill context menu
*
* @param contextMenu
*/
protected void addListGeneratorsToMenu(IMenuManager contextMenu, final ModelResource model) {
contextMenu.add(new Action("Generate code") {
@Override
public void run() {
List<GeneratorResource> codegens = modelRepo.listGenerators();
GeneratorDialog dialog = new GeneratorDialog(new Shell(), model, codegens);
dialog.create();
dialog.open();
}
});
@Override
public void run() {
List<GeneratorResource> codegens = modelRepo.listGenerators();
GeneratorDialog dialog = new GeneratorDialog(new Shell(), model, codegens);
dialog.create();
dialog.open();
}
});
}

private TableViewer createTableViewer(Composite parent, Button btnSearch) {
TableViewer viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL
| SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
TableViewer viewer = new TableViewer(parent,
SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);

FormData fd_table = new FormData();
fd_table.top = new FormAttachment(btnSearch, 2);
Expand All @@ -163,17 +256,14 @@ private TableViewer createTableViewer(Composite parent, Button btnSearch) {
viewer.setLabelProvider(new ModelRepositoryLabelProvider());
viewer.setSorter(new NameSorter());
viewer.setInput(getViewSite());
viewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE,
new Transfer[] { LocalSelectionTransfer.getTransfer() },
viewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, new Transfer[] { LocalSelectionTransfer.getTransfer() },
new ModelDragListener(viewer));

return viewer;
}

private TableViewerColumn createTableViewerColumn(TableViewer viewer,
String title, int bound) {
final TableViewerColumn viewerColumn = new TableViewerColumn(viewer,
SWT.NONE);
private TableViewerColumn createTableViewerColumn(TableViewer viewer, String title, int bound) {
final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
final TableColumn column = viewerColumn.getColumn();
column.setText(title);
column.setWidth(bound);
Expand Down Expand Up @@ -211,6 +301,5 @@ private Button createSearchButton(Composite parent) {
public void setFocus() {
viewer.getControl().setFocus();
}



}

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