/*******************************************************************************
* Copyright (c) 2015, 2016 Red Hat Inc. 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:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.linuxtools.internal.docker.ui.wizards;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.beans.BeanProperties;
import org.eclipse.core.databinding.observable.value.IValueChangeListener;
import org.eclipse.jface.databinding.swt.ISWTObservableValue;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.fieldassist.ComboContentAdapter;
import org.eclipse.jface.fieldassist.ContentProposal;
import org.eclipse.jface.fieldassist.ContentProposalAdapter;
import org.eclipse.jface.fieldassist.IContentProposal;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.linuxtools.docker.core.IDockerConnection;
import org.eclipse.linuxtools.docker.core.IDockerContainer;
import org.eclipse.linuxtools.internal.docker.ui.databinding.BaseDatabindingModel;
import org.eclipse.linuxtools.internal.docker.ui.wizards.ImageRunSelectionModel.ContainerLinkModel;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class ContainerLinkDialog extends Dialog {
private final IDockerConnection connection;
private final ContainerLinkDialogModel model;
private final List<String> containerNames;
private final DataBindingContext dbc = new DataBindingContext();
public ContainerLinkDialog(final Shell shell,
final IDockerConnection connection) {
super(shell);
this.connection = connection;
this.model = new ContainerLinkDialogModel();
this.containerNames = WizardUtils.getContainerNames(connection);
}
public ContainerLinkDialog(final Shell shell,
final IDockerConnection connection,
final ContainerLinkModel selectedContainerLink) {
super(shell);
this.connection = connection;
this.model = new ContainerLinkDialogModel(selectedContainerLink);
this.containerNames = WizardUtils.getContainerNames(connection);
}
@Override
protected void configureShell(final Shell shell) {
super.configureShell(shell);
setShellStyle(getShellStyle() | SWT.RESIZE);
shell.setText(WizardMessages.getString("ContainerLinkDialog.title")); //$NON-NLS-1$
}
@Override
protected Point getInitialSize() {
return new Point(400, super.getInitialSize().y);
}
/**
* Disable the 'OK' button by default
*/
@Override
protected Button createButton(Composite parent, int id, String label,
boolean defaultButton) {
final Button button = super.createButton(parent, id, label,
defaultButton);
if (id == IDialogConstants.OK_ID) {
button.setEnabled(false);
}
return button;
}
@Override
protected Control createDialogArea(final Composite parent) {
final int COLUMNS = 2;
final Composite container = new Composite(parent, SWT.NONE);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL)
.span(COLUMNS, 1).grab(true, false).applyTo(container);
GridLayoutFactory.fillDefaults().numColumns(COLUMNS).margins(10, 10)
.applyTo(container);
final Label explanationLabel = new Label(container, SWT.NONE);
explanationLabel.setText(WizardMessages
.getString("ContainerLinkDialog.explanationLabel")); //$NON-NLS-1$
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
.span(COLUMNS, 1).grab(false, false).applyTo(explanationLabel);
final Label containerLabel = new Label(container, SWT.NONE);
containerLabel.setText(
WizardMessages.getString("ContainerLinkDialog.containerLabel")); //$NON-NLS-1$
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
.grab(false, false).applyTo(containerLabel);
final Combo containerSelectionCombo = new Combo(container, SWT.NONE);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
.grab(true, false).applyTo(containerSelectionCombo);
final ComboViewer containerSelectionComboViewer = new ComboViewer(
containerSelectionCombo);
containerSelectionComboViewer
.setContentProvider(new ArrayContentProvider());
containerSelectionComboViewer.setInput(model.getContainerNames());
new ContentProposalAdapter(containerSelectionCombo,
new ComboContentAdapter() {
@Override
public void insertControlContents(Control control,
String text, int cursorPosition) {
final Combo combo = (Combo) control;
final Point selection = combo.getSelection();
combo.setText(text);
selection.x = text.length();
selection.y = selection.x;
combo.setSelection(selection);
}
}, getContainerNameContentProposalProvider(
containerSelectionCombo),
null, null);
final Label aliasLabel = new Label(container, SWT.NONE);
aliasLabel.setText(
WizardMessages.getString("ContainerLinkDialog.aliasLabel")); //$NON-NLS-1$
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
.grab(false, false).applyTo(aliasLabel);
final Text containerAliasText = new Text(container, SWT.BORDER);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
.grab(true, false).applyTo(containerAliasText);
// error message
final Label errorMessageLabel = new Label(container, SWT.NONE);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
.span(COLUMNS, 1).grab(true, false).applyTo(errorMessageLabel);
final ISWTObservableValue containerNameObservable = WidgetProperties
.selection().observe(containerSelectionComboViewer.getCombo());
dbc.bindValue(containerNameObservable,
BeanProperties
.value(ContainerLinkDialogModel.class,
ContainerLinkDialogModel.CONTAINER_NAME)
.observe(model));
final ISWTObservableValue containerAliasObservable = WidgetProperties
.text(SWT.Modify).observe(containerAliasText);
dbc.bindValue(containerAliasObservable,
BeanProperties
.value(ContainerLinkDialogModel.class,
ContainerLinkDialogModel.CONTAINER_ALIAS)
.observe(model));
containerNameObservable.addValueChangeListener(
onContainerLinkSettingsChanged());
containerAliasObservable.addValueChangeListener(
onContainerLinkSettingsChanged());
return container;
}
private IValueChangeListener onContainerLinkSettingsChanged() {
return event -> validateInput();
}
public String getContainerName() {
return model.getContainerName();
}
public String getContainerAlias() {
return model.getContainerAlias();
}
/**
* Creates an {@link IContentProposalProvider} to propose
* {@link IDockerContainer} names based on the current text.
*
* @param items
* @return
*/
private IContentProposalProvider getContainerNameContentProposalProvider(
final Combo containerSelectionCombo) {
return (contents, position) -> {
final List<IContentProposal> proposals = new ArrayList<>();
for (String containerName : containerSelectionCombo.getItems()) {
if (containerName.contains(contents)) {
proposals.add(new ContentProposal(containerName,
containerName, containerName, position));
}
}
return proposals.toArray(new IContentProposal[0]);
};
}
private void validateInput() {
final String selectedContainerName = model.getContainerName();
final Object[] containerNames = model.getContainerNames().toArray();
final String containerAlias = model.getContainerAlias();
if (selectedContainerName == null || selectedContainerName.isEmpty()) {
setOkButtonEnabled(false);
} else if (Arrays.binarySearch(containerNames, 0, containerNames.length,
selectedContainerName) < 0) {
setOkButtonEnabled(false);
} else if (containerAlias == null || containerAlias.isEmpty()) {
setOkButtonEnabled(false);
return;
} else {
setOkButtonEnabled(true);
}
}
private void setOkButtonEnabled(final boolean enabled) {
getButton(IDialogConstants.OK_ID).setEnabled(enabled);
}
class ContainerLinkDialogModel extends BaseDatabindingModel {
public static final String CONTAINER_NAME = "containerName"; //$NON-NLS-1$
public static final String CONTAINER_ALIAS = "containerAlias"; //$NON-NLS-1$
private String containerName;
private String containerAlias;
public ContainerLinkDialogModel() {
}
public ContainerLinkDialogModel(
final ContainerLinkModel selectedContainerLink) {
this();
this.containerName = selectedContainerLink.getContainerName();
this.containerAlias = selectedContainerLink.getContainerAlias();
}
public IDockerConnection getConnection() {
return connection;
}
private List<String> getContainerNames() {
return containerNames;
}
public List<IDockerContainer> getContainers() {
return getConnection().getContainers();
}
public String getContainerName() {
return containerName;
}
public void setContainerName(final String containerName) {
firePropertyChange(CONTAINER_NAME, this.containerName,
this.containerName = containerName);
}
public String getContainerAlias() {
return containerAlias;
}
public void setContainerAlias(final String containerAlias) {
firePropertyChange(CONTAINER_ALIAS, this.containerAlias,
this.containerAlias = containerAlias);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + getOuterType().hashCode();
result = prime * result + ((containerAlias == null) ? 0
: containerAlias.hashCode());
result = prime * result
+ ((containerName == null) ? 0 : containerName.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ContainerLinkDialogModel other = (ContainerLinkDialogModel) obj;
if (!getOuterType().equals(other.getOuterType()))
return false;
if (containerAlias == null) {
if (other.containerAlias != null)
return false;
} else if (!containerAlias.equals(other.containerAlias))
return false;
if (containerName == null) {
if (other.containerName != null)
return false;
} else if (!containerName.equals(other.containerName))
return false;
return true;
}
private ContainerLinkDialog getOuterType() {
return ContainerLinkDialog.this;
}
}
}