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/*******************************************************************************
* Copyright (c) 2010 BestSolution.at 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:
* Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
* Olivier Prouvost <olivier.prouvost@opcoach.com> - Bug 472706
******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.component;
import javax.inject.Inject;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.conversion.Converter;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.value.WritableValue;
import org.eclipse.core.resources.IProject;
import org.eclipse.e4.core.di.annotations.Optional;
import org.eclipse.e4.tools.emf.ui.common.IModelResource;
import org.eclipse.e4.tools.emf.ui.common.Util;
import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor;
import org.eclipse.e4.tools.emf.ui.internal.ResourceProvider;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory.TextPasteHandler;
import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.SharedElementsDialog;
import org.eclipse.e4.tools.emf.ui.internal.common.uistructure.UIViewer;
import org.eclipse.e4.ui.di.UIEventTopic;
import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.MUILabel;
import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder;
import org.eclipse.e4.ui.model.application.ui.advanced.impl.AdvancedPackageImpl;
import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
import org.eclipse.e4.ui.workbench.UIEvents;
import org.eclipse.e4.ui.workbench.UIEvents.EventTags;
import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.FeaturePath;
import org.eclipse.emf.databinding.edit.EMFEditProperties;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
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.Label;
import org.eclipse.swt.widgets.Text;
public class PlaceholderEditor extends AbstractComponentEditor {
private Composite composite;
private EMFDataBindingContext context;
private StackLayout stackLayout;
@Inject
@Optional
private IProject project;
@Inject
private IModelResource resource;
@Inject
public PlaceholderEditor() {
super();
}
@Override
public Image getImage(Object element) {
return getImage(element, ResourceProvider.IMG_Placeholder);
}
@Override
public String getLabel(Object element) {
return Messages.PlaceholderEditor_Label;
}
@Override
public String getDetailLabel(Object element) {
final MPlaceholder pl = (MPlaceholder) element;
if (pl.getRef() != null) {
final StringBuilder b = new StringBuilder();
b.append(((EObject) pl.getRef()).eClass().getName());
if (pl.getRef() instanceof MUILabel) {
final MUILabel label = (MUILabel) pl.getRef();
final String l = getLocalizedLabel(label);
if (l != null && l.trim().length() > 0) {
b.append(" (" + l + ")"); //$NON-NLS-1$//$NON-NLS-2$
} else if (label.getTooltip() != null && label.getTooltip().trim().length() > 0) {
b.append(" (" + label.getTooltip() + ")"); //$NON-NLS-1$ //$NON-NLS-2$
} else {
if (pl.getRef().getElementId() != null && pl.getRef().getElementId().trim().length() > 0) {
b.append(" (" + pl.getRef().getElementId() + ")"); //$NON-NLS-1$ //$NON-NLS-2$
}
}
} else {
if (pl.getRef().getElementId() != null && pl.getRef().getElementId().trim().length() > 0) {
b.append(" (" + pl.getRef().getElementId() + ")"); //$NON-NLS-1$//$NON-NLS-2$
}
}
return b.toString();
}
return null;
}
@Override
public String getDescription(Object element) {
return Messages.PlaceholderEditor_Descriptor;
}
@Override
public Composite doGetEditor(Composite parent, Object object) {
if (composite == null) {
context = new EMFDataBindingContext();
if (getEditor().isModelFragment()) {
composite = new Composite(parent, SWT.NONE);
stackLayout = new StackLayout();
composite.setLayout(stackLayout);
createForm(composite, context, getMaster(), false);
createForm(composite, context, getMaster(), true);
} else {
composite = createForm(parent, context, getMaster(), false);
}
}
if (getEditor().isModelFragment()) {
Control topControl;
if (Util.isImport((EObject) object)) {
topControl = composite.getChildren()[1];
} else {
topControl = composite.getChildren()[0];
}
if (stackLayout.topControl != topControl) {
stackLayout.topControl = topControl;
composite.layout(true, true);
}
}
getMaster().setValue(object);
return composite;
}
private Composite createForm(Composite parent, final EMFDataBindingContext context, WritableValue master, boolean isImport) {
final CTabFolder folder = new CTabFolder(parent, SWT.BOTTOM);
CTabItem item = new CTabItem(folder, SWT.NONE);
item.setText(Messages.ModelTooling_Common_TabDefault);
parent = createScrollableContainer(folder);
item.setControl(parent.getParent());
if (getEditor().isShowXMIId() || getEditor().isLiveModel()) {
ControlFactory.createXMIId(parent, this);
}
final IWidgetValueProperty textProp = WidgetProperties.text(SWT.Modify);
if (isImport) {
ControlFactory.createFindImport(parent, Messages, this, context);
folder.setSelection(0);
return folder;
}
ControlFactory.createTextField(parent, Messages.ModelTooling_Common_Id, master, context, textProp, EMFEditProperties.value(getEditingDomain(), ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID));
ControlFactory.createTextField(parent, Messages.ModelTooling_UIElement_AccessibilityPhrase, getMaster(), context, textProp, EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__ACCESSIBILITY_PHRASE));
ControlFactory.createTextField(parent, Messages.PlaceholderEditor_ContainerData, master, context, textProp, EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__CONTAINER_DATA));
// ------------------------------------------------------------
{
final Label l = new Label(parent, SWT.NONE);
l.setText(Messages.PlaceholderEditor_Reference);
l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
final Text t = new Text(parent, SWT.BORDER);
TextPasteHandler.createFor(t);
t.setEditable(false);
final GridData gd = new GridData(GridData.FILL_HORIZONTAL);
t.setLayoutData(gd);
final UpdateValueStrategy t2m = new UpdateValueStrategy();
t2m.setConverter(new Converter(String.class, MUIElement.class) {
@Override
public Object convert(Object fromObject) {
return null;
}
});
final UpdateValueStrategy m2t = new UpdateValueStrategy();
m2t.setConverter(new Converter(MUIElement.class, String.class) {
@Override
public Object convert(Object fromObject) {
if (fromObject != null) {
final EObject o = (EObject) fromObject;
if (o instanceof MUILabel) {
final MUILabel label = (MUILabel) o;
final String l = getLocalizedLabel(label);
if (!Util.isNullOrEmpty(l)) {
return o.eClass().getName() + " - " + l; //$NON-NLS-1$
}
}
return o.eClass().getName() + " - " + ((MUIElement) fromObject).getElementId(); //$NON-NLS-1$
}
return null;
}
});
context.bindValue(textProp.observe(t),
EMFEditProperties.value(getEditingDomain(), AdvancedPackageImpl.Literals.PLACEHOLDER__REF)
.observeDetail(getMaster()),
t2m, m2t);
final Button b = new Button(parent, SWT.PUSH | SWT.FLAT);
b.setImage(createImage(ResourceProvider.IMG_Obj16_zoom));
b.setText(Messages.ModelTooling_Common_FindEllipsis);
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
final SharedElementsDialog dialog = new SharedElementsDialog(b.getShell(), getEditor(), (MPlaceholder) getMaster().getValue(), resource, Messages);
dialog.open();
}
});
}
ControlFactory.createCheckBox(parent, Messages.PlaceholderEditor_Closeable, getMaster(), context, WidgetProperties.selection(), EMFEditProperties.value(getEditingDomain(), AdvancedPackageImpl.Literals.PLACEHOLDER__CLOSEABLE));
ControlFactory.createCheckBox(parent, Messages.ModelTooling_UIElement_ToBeRendered, getMaster(), context, WidgetProperties.selection(), EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__TO_BE_RENDERED));
ControlFactory.createCheckBox(parent, Messages.ModelTooling_UIElement_Visible, getMaster(), context, WidgetProperties.selection(), EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__VISIBLE));
item = new CTabItem(folder, SWT.NONE);
item.setText(Messages.ModelTooling_Common_TabSupplementary);
parent = createScrollableContainer(folder);
item.setControl(parent.getParent());
ControlFactory.createStringListWidget(parent, Messages, this, Messages.CategoryEditor_Tags, ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__TAGS, VERTICAL_LIST_WIDGET_INDENT);
ControlFactory.createMapProperties(parent, Messages, this, Messages.ModelTooling_Contribution_PersistedState, ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__PERSISTED_STATE, VERTICAL_LIST_WIDGET_INDENT);
if (project == null) {
createUITreeInspection(folder);
}
createContributedEditorTabs(folder, context, getMaster(), MPlaceholder.class);
folder.setSelection(0);
return folder;
}
private void createUITreeInspection(CTabFolder folder) {
final CTabItem item = new CTabItem(folder, SWT.NONE);
item.setText(Messages.ModelTooling_Common_RuntimeWidgetTree);
final Composite container = new Composite(folder, SWT.NONE);
container.setLayout(new GridLayout());
item.setControl(container);
final UIViewer objectViewer = new UIViewer();
final TreeViewer viewer = objectViewer.createViewer(container, UiPackageImpl.Literals.UI_ELEMENT__WIDGET, getMaster(), resourcePool, Messages);
viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
}
@Override
public IObservableList getChildList(Object element) {
return null;
}
@Override
public FeaturePath[] getLabelProperties() {
return new FeaturePath[] { FeaturePath.fromList(AdvancedPackageImpl.Literals.PLACEHOLDER__REF) };
}
/**
* If model is saved (becomes not dirty) must refresh the bindings so as to
* have the correct name in the ref editor
*/
@Inject
@Optional
public void refreshOnSave(
@UIEventTopic(UIEvents.Dirtyable.TOPIC_DIRTY) org.osgi.service.event.Event event) {
// When application model is saved, must refresh values (bug 472706)
final Object type = event.getProperty(EventTags.TYPE);
final Object newValue = event.getProperty(EventTags.NEW_VALUE);
if (UIEvents.EventTypes.SET.equals(type) && Boolean.FALSE.equals(newValue) && context != null) {
context.updateTargets();
}
}
}
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