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/*******************************************************************************
* Copyright (c) 2010-2014 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
* Marco Descher <marco@descher.at> - Bug 422465
******************************************************************************/
package org.eclipse.e4.tools.emf.ui.common.component;
import java.util.Collections;
import java.util.List;
import javax.inject.Inject;
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.core.services.translation.TranslationService;
import org.eclipse.e4.tools.emf.ui.common.AbstractElementEditorContribution;
import org.eclipse.e4.tools.emf.ui.common.Util;
import org.eclipse.e4.tools.emf.ui.internal.Messages;
import org.eclipse.e4.tools.emf.ui.internal.common.ModelEditor;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory;
import org.eclipse.e4.tools.emf.ui.internal.common.properties.ProjectOSGiTranslationProvider;
import org.eclipse.e4.tools.services.IClipboardService.Handler;
import org.eclipse.e4.tools.services.IResourcePool;
import org.eclipse.e4.tools.services.Translation;
import org.eclipse.e4.tools.services.impl.ResourceBundleTranslationProvider;
import org.eclipse.e4.ui.model.application.MApplicationElement;
import org.eclipse.e4.ui.model.application.ui.MUILabel;
import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.FeaturePath;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
public abstract class AbstractComponentEditor {
private static final String CSS_CLASS_KEY = "org.eclipse.e4.ui.css.CssClassName"; //$NON-NLS-1$
private WritableValue master = new WritableValue();
public static final int SEARCH_IMAGE = 0;
public static final int TABLE_ADD_IMAGE = 1;
public static final int TABLE_DELETE_IMAGE = 2;
public static final int ARROW_UP = 3;
public static final int ARROW_DOWN = 4;
protected static final int VERTICAL_LIST_WIDGET_INDENT = 10;
@Inject
private EditingDomain editingDomain;
@Inject
private ModelEditor editor;
@Inject
protected IResourcePool resourcePool;
@Inject
@Optional
protected IProject project;
@Inject
@Translation
protected Messages Messages;
@Inject
@Optional
private ProjectOSGiTranslationProvider translationProvider;
private Composite editorControl;
public EditingDomain getEditingDomain() {
return editingDomain;
}
public ModelEditor getEditor() {
return editor;
}
public WritableValue getMaster() {
return master;
}
protected void setElementId(Object element) {
if (getEditor().isAutoCreateElementId() && element instanceof MApplicationElement) {
MApplicationElement el = (MApplicationElement) element;
if (el.getElementId() == null || el.getElementId().trim().length() == 0) {
el.setElementId(Util.getDefaultElementId(((EObject) getMaster().getValue()).eResource(), el, getEditor().getProject()));
}
}
}
public Image createImage(String key) {
return resourcePool.getImageUnchecked(key);
}
public ImageDescriptor createImageDescriptor(String key) {
if (key == null) {
return null;
}
return ImageDescriptor.createFromImage(createImage(key));
}
public abstract Image getImage(Object element, Display display);
public abstract String getLabel(Object element);
public abstract String getDetailLabel(Object element);
public abstract String getDescription(Object element);
public Composite getEditor(Composite parent, Object object) {
return editorControl = doGetEditor(parent, object);
}
protected abstract Composite doGetEditor(Composite parent, Object object);
public abstract IObservableList getChildList(Object element);
public FeaturePath[] getLabelProperties() {
return new FeaturePath[] {};
}
public List<Action> getActions(Object element) {
return Collections.emptyList();
}
/**
* Translates an input <code>String</code> using the current
* {@link ResourceBundleTranslationProvider} and <code>locale</code> from
* the {@link TranslationService}.
*
* @param string
* the string to translate, may not be null.
* @return the translated string or the input string if it could not be
* translated.
*/
public String translate(String string) {
return ControlFactory.tr(translationProvider, string);
}
/**
* @param element
* @return the list of actions that are populated in the import menu. Can be
* empty but is never null.
*/
public List<Action> getActionsImport(Object element) {
return Collections.emptyList();
}
protected String getLocalizedLabel(MUILabel element) {
return ControlFactory.getLocalizedLabel(translationProvider, element);
}
private boolean isFocusChild(Control control) {
Control c = control;
while (c != null && c != editorControl) {
c = c.getParent();
}
return c != null;
}
public void handleCopy() {
if (editorControl != null) {
Control focusControl = editorControl.getDisplay().getFocusControl();
if (isFocusChild(focusControl) && focusControl.getData(ControlFactory.COPY_HANDLER) != null) {
((Handler) focusControl.getData(ControlFactory.COPY_HANDLER)).copy();
}
}
}
public void handlePaste() {
if (editorControl != null) {
Control focusControl = editorControl.getDisplay().getFocusControl();
if (isFocusChild(focusControl) && focusControl.getData(ControlFactory.COPY_HANDLER) != null) {
((Handler) focusControl.getData(ControlFactory.COPY_HANDLER)).paste();
}
}
}
public void handleCut() {
if (editorControl != null) {
Control focusControl = editorControl.getDisplay().getFocusControl();
if (isFocusChild(focusControl) && focusControl.getData(ControlFactory.COPY_HANDLER) != null) {
((Handler) focusControl.getData(ControlFactory.COPY_HANDLER)).cut();
}
}
}
protected Composite createScrollableContainer(Composite parent) {
final ScrolledComposite scrolling = new ScrolledComposite(parent, SWT.H_SCROLL | SWT.V_SCROLL);
scrolling.setBackgroundMode(SWT.INHERIT_DEFAULT);
scrolling.setData(CSS_CLASS_KEY, "formContainer"); //$NON-NLS-1$
final Composite contentContainer = new Composite(scrolling, SWT.NONE);
contentContainer.setData(CSS_CLASS_KEY, "formContainer"); //$NON-NLS-1$
scrolling.setExpandHorizontal(true);
scrolling.setExpandVertical(true);
scrolling.setContent(contentContainer);
scrolling.addControlListener(new ControlAdapter() {
@Override
public void controlResized(ControlEvent e) {
Rectangle r = scrolling.getClientArea();
scrolling.setMinSize(contentContainer.computeSize(r.width, SWT.DEFAULT));
}
});
scrolling.setLayoutData(new GridData(GridData.FILL_BOTH));
GridLayout gl = new GridLayout(3, false);
gl.horizontalSpacing = 10;
contentContainer.setLayout(gl);
return contentContainer;
}
protected void createContributedEditorTabs(CTabFolder folder, EMFDataBindingContext context, WritableValue master, Class<?> clazz) {
List<AbstractElementEditorContribution> contributionList = editor.getTabContributionsForClass(clazz);
for (AbstractElementEditorContribution eec : contributionList) {
CTabItem item = new CTabItem(folder, SWT.BORDER);
item.setText(eec.getTabLabel());
Composite parent = createScrollableContainer(folder);
item.setControl(parent.getParent());
eec.createContributedEditorTab(parent, context, master, getEditingDomain(), project);
}
}
}
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