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/*******************************************************************************
* Copyright (c) 2015, 2017 Red Hat.
* 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:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.linuxtools.internal.vagrant.ui.views;
import java.util.List;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.layout.TableColumnLayout;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.linuxtools.vagrant.core.IVagrantBox;
import org.eclipse.linuxtools.vagrant.core.IVagrantBoxListener;
import org.eclipse.linuxtools.vagrant.core.IVagrantConnection;
import org.eclipse.linuxtools.vagrant.core.IVagrantVM;
import org.eclipse.linuxtools.vagrant.core.VagrantService;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.widgets.Form;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.part.ViewPart;
public class VagrantBoxView extends ViewPart implements IVagrantBoxListener {
public static final String VIEW_ID = "org.eclipse.linuxtools.vagrant.ui.vagrantBoxView"; //$NON-NLS-1$
private final static String DaemonMissing = "ViewerDaemonMissing.msg"; //$NON-NLS-1$
private Form form;
private Text search;
private TableViewer viewer;
private IVagrantConnection connection;
@Override
public void setFocus() {
}
@Override
public void dispose() {
connection.removeBoxListener(this);
super.dispose();
}
private void hookContextMenu() {
MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
menuMgr.setRemoveAllWhenShown(true);
Menu menu = menuMgr.createContextMenu(viewer.getControl());
viewer.getControl().setMenu(menu);
getSite().registerContextMenu(menuMgr, viewer);
}
@Override
public void createPartControl(final Composite parent) {
final FormToolkit toolkit = new FormToolkit(parent.getDisplay());
form = toolkit.createForm(parent);
form.setText(DVMessages.getString(DaemonMissing));
final Composite container = form.getBody();
GridLayoutFactory.fillDefaults().numColumns(1).margins(0, 0).applyTo(container);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(container);
createTableViewer(container);
hookContextMenu();
}
private void createTableViewer(final Composite container) {
search = new Text(container, SWT.SEARCH | SWT.ICON_SEARCH);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, false).applyTo(search);
search.addModifyListener(onSearch());
Composite tableArea = new Composite(container, SWT.NONE);
GridLayoutFactory.fillDefaults().numColumns(1).margins(0, 0).applyTo(tableArea);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL)
.grab(true, true).applyTo(tableArea);
final TableColumnLayout tableLayout = new TableColumnLayout();
tableArea.setLayout(tableLayout);
this.viewer = new TableViewer(tableArea, SWT.FULL_SELECTION | SWT.MULTI
| SWT.H_SCROLL | SWT.V_SCROLL);
this.viewer.setContentProvider(new VagrantBoxContentProvider());
final Table table = viewer.getTable();
GridLayoutFactory.fillDefaults().numColumns(1).margins(0, 0)
.applyTo(table);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL)
.grab(true, true).applyTo(table);
table.setLinesVisible(true);
table.setHeaderVisible(true);
// 'NAME' column
final TableViewerColumn idColumn = createColumn(DVMessages
.getString("NAME")); //$NON-NLS-1$
setLayout(idColumn, tableLayout, 150);
idColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(final Object element) {
if (element instanceof IVagrantBox) {
return ((IVagrantBox) element).getName();
}
return super.getText(element);
}
});
// 'PROVIDER' column
final TableViewerColumn tagsColumn = createColumn(DVMessages
.getString("PROVIDER")); //$NON-NLS-1$
setLayout(tagsColumn, tableLayout, 150);
tagsColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(final Object element) {
if (element instanceof IVagrantBox) {
return ((IVagrantBox) element).getProvider();
}
return super.getText(element);
}
});
// 'VERSION' column
final TableViewerColumn creationDateColumn = createColumn(DVMessages
.getString("VERSION")); //$NON-NLS-1$
setLayout(creationDateColumn, tableLayout, 150);
creationDateColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(final Object element) {
if (element instanceof IVagrantBox) {
return ((IVagrantBox) element).getVersion().toString();
}
return super.getText(element);
}
});
// comparator
final VagrantBoxComparator comparator = new VagrantBoxComparator(this.viewer);
viewer.setComparator(comparator);
// apply search filter
this.viewer.addFilter(getImagesFilter());
setConnection(VagrantService.getInstance());
connection.addBoxListener(this);
// get the current selection in the tableviewer
getSite().setSelectionProvider(viewer);
}
private TableViewerColumn createColumn(final String title) {
final TableViewerColumn propertyColumn = new TableViewerColumn(viewer,
SWT.BORDER);
propertyColumn.getColumn().setText(title);
propertyColumn.getColumn().addSelectionListener(onColumnSelected());
return propertyColumn;
}
private SelectionListener onColumnSelected() {
return SelectionListener.widgetSelectedAdapter(e -> {
final TableColumn sortColumn = (TableColumn) e.getSource();
final VagrantBoxComparator comparator = (VagrantBoxComparator) viewer
.getComparator();
comparator.setColumn(sortColumn);
viewer.refresh();
}
);
}
private void setLayout(final TableViewerColumn viewerColumn, final TableColumnLayout tableLayout, final int weight) {
tableLayout.setColumnData(viewerColumn.getColumn(), new ColumnWeightData(weight, true));
}
/**
* Filters {@link IVagrantVM} and {@link IVagrantBox} using the input text in the search widget of this view.
* @return
*/
private ModifyListener onSearch() {
return e -> VagrantBoxView.this.viewer.refresh();
}
/**
* @return a {@link ViewerFilter} that will retain {@link IVagrantVM} that match the
* content of the {@link VagrantBoxView#search} text widget.
*/
private ViewerFilter getImagesFilter() {
return new ViewerFilter() {
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
if (element instanceof IVagrantBox) {
return element.toString().contains(VagrantBoxView.this.search.getText());
}
return false;
}
};
}
@Override
public void listChanged(final IVagrantConnection connection,
final List<IVagrantBox> images) {
if (!viewer.getControl().isDisposed()) {
Display.getDefault().asyncExec(() -> {
// remember the current selection before the viewer is refreshed
final ISelection currentSelection = VagrantBoxView.this.viewer
.getSelection();
VagrantBoxView.this.viewer.refresh();
// restore the selection
if (currentSelection != null) {
VagrantBoxView.this.viewer.setSelection(currentSelection);
}
refreshViewTitle();
});
}
}
private void refreshViewTitle() {
if (this.viewer == null || this.viewer.getControl().isDisposed()
|| this.form == null
|| this.connection == null) {
return;
} else if (!this.connection.isBoxesLoaded()) {
form.setText(connection.getName());
} else {
this.form.setText(DVMessages.getFormattedString(
"VagrantBoxViewTitle.all.msg", connection.getName(), //$NON-NLS-1$
Integer.toString(connection.getBoxes().size())));
}
}
/**
* @return the {@link IVagrantConnection} used to display the current {@link IVagrantVM}
*/
public IVagrantConnection getConnection() {
return connection;
}
public void setConnection(IVagrantConnection conn) {
this.connection = conn;
if (conn != null) {
viewer.setInput(conn);
refreshViewTitle();
} else {
viewer.setInput(new IVagrantBox[0]);
form.setText(DVMessages.getString(DaemonMissing));
}
}
/**
* @return the current selection
*/
public IStructuredSelection getStructuredSelection() {
if (this.viewer != null) {
return this.viewer.getStructuredSelection();
}
return StructuredSelection.EMPTY;
}
/**
* @return the {@link TableViewer} showing the containers
*/
public TableViewer getViewer() {
return this.viewer;
}
}
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