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/*******************************************************************************
* Copyright (c) 2004, 2009 David Green 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:
* David Green - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.editors;
import java.util.SortedSet;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.mylyn.commons.ui.CommonImages;
import org.eclipse.mylyn.commons.workbench.WorkbenchUtil;
import org.eclipse.mylyn.internal.tasks.ui.editors.TaskEditorExtensions.RegisteredTaskEditorExtension;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.ui.wizards.AbstractTaskRepositoryPageContribution;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Widget;
/**
* A contribution that adds a section for 'Editor' on the task repository settings page.
*
* @author David Green
*/
public class TaskEditorExtensionSettingsContribution extends AbstractTaskRepositoryPageContribution {
private static final String LABEL_NONE = Messages.TaskEditorExtensionSettingsContribution_Plain_Text;
private static final String LABEL_DEFAULT_SUFFIX = Messages.TaskEditorExtensionSettingsContribution__default_;
private static final String DATA_EDITOR_EXTENSION = "editorExtension"; //$NON-NLS-1$
private final SelectionListener listener = new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
selectedExtensionId = (String) ((Widget) e.getSource()).getData(DATA_EDITOR_EXTENSION);
fireValidationRequired();
}
};
private String selectedExtensionId;
private Button avatarSupportButton;
public TaskEditorExtensionSettingsContribution() {
super(Messages.TaskEditorExtensionSettingsContribution_Editor,
Messages.TaskEditorExtensionSettingsContribution_Select_the_capabilities_of_the_task_editor);
}
@Override
public void applyTo(TaskRepository repository) {
TaskEditorExtensions.setTaskEditorExtensionId(repository, selectedExtensionId == null ? "none" //$NON-NLS-1$
: selectedExtensionId);
repository.setProperty(TaskEditorExtensions.REPOSITORY_PROPERTY_AVATAR_SUPPORT,
Boolean.toString(avatarSupportButton.getSelection()));
}
@Override
public boolean canFlipToNextPage() {
return true;
}
@Override
public boolean isPageComplete() {
return true;
}
@Override
public Control createControl(Composite parentControl) {
Composite parent = new Composite(parentControl, SWT.NONE);
GridLayout layout = new GridLayout(1, true);
layout.marginWidth = 0;
parent.setLayout(layout);
createGravatarControl(parent);
Group group = new Group(parent, SWT.NONE);
group.setText(Messages.TaskEditorExtensionSettingsContribution_Rendering_Group_Label);
group.setLayout(new GridLayout(1, true));
GridDataFactory.fillDefaults().grab(true, false).applyTo(group);
createTaskEditorExtensionsControl(group);
return parent;
}
private void createGravatarControl(Composite parent) {
avatarSupportButton = new Button(parent, SWT.CHECK);
avatarSupportButton.setText(Messages.TaskEditorExtensionSettingsContribution_Avatar_Button_Label);
avatarSupportButton.setSelection(getRepository() != null
&& Boolean.parseBoolean(getRepository().getProperty(
TaskEditorExtensions.REPOSITORY_PROPERTY_AVATAR_SUPPORT)));
}
private void createTaskEditorExtensionsControl(Composite parent) {
Composite infoComposite = new Composite(parent, SWT.NONE);
GridLayoutFactory.fillDefaults().numColumns(2).applyTo(infoComposite);
Label infoImage = new Label(infoComposite, SWT.NONE);
infoImage.setImage(CommonImages.getImage(CommonImages.INFORMATION));
Label infoLabel = new Label(infoComposite, SWT.NONE);
infoLabel.setText(Messages.TaskEditorExtensionSettingsContribution_Rendering_Group_Info);
String defaultExtensionId = TaskEditorExtensions.getDefaultTaskEditorExtensionId(getConnectorKind());
selectedExtensionId = getRepository() == null
? defaultExtensionId
: TaskEditorExtensions.getTaskEditorExtensionId(getRepository());
// configure a 'Plain Text' (none) button
Button noneButton = new Button(parent, SWT.RADIO);
String noneTitle = LABEL_NONE;
boolean isDefault = defaultExtensionId == null || defaultExtensionId.length() == 0;
if (isDefault) {
noneTitle += LABEL_DEFAULT_SUFFIX;
}
noneButton.setText(noneTitle);
noneButton.addSelectionListener(listener);
boolean foundSelection = false;
// now add selection buttons for all registered extensions
SortedSet<RegisteredTaskEditorExtension> allEditorExtensions = TaskEditorExtensions.getTaskEditorExtensions();
for (RegisteredTaskEditorExtension editorExtension : allEditorExtensions) {
if (WorkbenchUtil.allowUseOf(editorExtension)) {
String name = editorExtension.getName();
isDefault = editorExtension.getId().equals(defaultExtensionId);
if (isDefault) {
name += LABEL_DEFAULT_SUFFIX;
}
Button button = new Button(parent, SWT.RADIO);
button.setText(name);
if (editorExtension.getId().equals(selectedExtensionId)) {
foundSelection = true;
button.setSelection(true);
}
button.setText(name);
button.setData(DATA_EDITOR_EXTENSION, editorExtension.getId());
button.addSelectionListener(listener);
}
}
if (!foundSelection) {
noneButton.setSelection(true);
}
}
@Override
public IStatus validate() {
// nothing to validate
return null;
}
/**
* only enabled when there are installed/registered task editor extensions.
*/
@Override
public boolean isEnabled() {
return !TaskEditorExtensions.getTaskEditorExtensions().isEmpty();
}
}
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