/*******************************************************************************
* 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
******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.component;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.value.WritableValue;
import org.eclipse.core.databinding.property.list.IListProperty;
import org.eclipse.e4.tools.emf.ui.common.EStackLayout;
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.ComponentLabelProvider;
import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
import org.eclipse.e4.ui.model.application.ui.MElementContainer;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
import org.eclipse.e4.ui.model.application.ui.menu.MToolBarElement;
import org.eclipse.e4.ui.model.application.ui.menu.impl.MenuPackageImpl;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.EMFProperties;
import org.eclipse.emf.databinding.FeaturePath;
import org.eclipse.emf.databinding.IEMFListProperty;
import org.eclipse.emf.databinding.edit.EMFEditProperties;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edit.command.AddCommand;
import org.eclipse.emf.edit.command.RemoveCommand;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.databinding.viewers.ObservableListContentProvider;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
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.Display;
import org.eclipse.swt.widgets.Label;
public class ToolBarEditor extends AbstractComponentEditor {
private Composite composite;
private EMFDataBindingContext context;
private IListProperty ELEMENT_CONTAINER__CHILDREN = EMFProperties.list(UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);
private EStackLayout stackLayout;
private List<Action> actions = new ArrayList<Action>();
private static class Struct {
private final String label;
private final EClass eClass;
private final boolean separator;
public Struct(String label, EClass eClass, boolean separator) {
this.label = label;
this.eClass = eClass;
this.separator = separator;
}
}
@Inject
public ToolBarEditor() {
super();
}
@PostConstruct
void init() {
actions.add(new Action(Messages.ToolBarEditor_AddHandledToolItem, createImageDescriptor(ResourceProvider.IMG_HandledToolItem)) {
@Override
public void run() {
handleAddChild(MenuPackageImpl.Literals.HANDLED_TOOL_ITEM, false);
}
});
actions.add(new Action(Messages.ToolBarEditor_AddDirectToolItem, createImageDescriptor(ResourceProvider.IMG_DirectToolItem)) {
@Override
public void run() {
handleAddChild(MenuPackageImpl.Literals.DIRECT_TOOL_ITEM, false);
}
});
actions.add(new Action(Messages.ToolBarEditor_AddToolControl, createImageDescriptor(ResourceProvider.IMG_ToolControl)) {
@Override
public void run() {
handleAddChild(MenuPackageImpl.Literals.TOOL_CONTROL, false);
}
});
actions.add(new Action(Messages.ToolBarEditor_AddToolBarSeparator, createImageDescriptor(ResourceProvider.IMG_ToolBarSeparator)) {
@Override
public void run() {
handleAddChild(MenuPackageImpl.Literals.TOOL_BAR_SEPARATOR, true);
}
});
}
@Override
public Image getImage(Object element, Display display) {
if (element instanceof MUIElement) {
MUIElement uiElement = (MUIElement) element;
if (uiElement.isToBeRendered() && uiElement.isVisible()) {
return createImage(ResourceProvider.IMG_ToolBar);
} else {
return createImage(ResourceProvider.IMG_Tbr_ToolBar);
}
}
return null;
}
@Override
public String getLabel(Object element) {
return Messages.ToolBarEditor_Label;
}
@Override
public String getDescription(Object element) {
return Messages.ToolBarEditor_Description;
}
@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 EStackLayout();
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, EMFDataBindingContext context, WritableValue master, boolean isImport) {
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);
}
IWidgetValueProperty textProp = WidgetProperties.text(SWT.Modify);
if (isImport) {
ControlFactory.createFindImport(parent, Messages, this, context);
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));
// ------------------------------------------------------------
{
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.ToolBarEditor_ToolbarItems);
l.setLayoutData(new GridData(GridData.END, GridData.BEGINNING, false, false));
final TableViewer viewer = new TableViewer(parent);
ObservableListContentProvider cp = new ObservableListContentProvider();
viewer.setContentProvider(cp);
GridData gd = new GridData(GridData.FILL_BOTH);
viewer.getControl().setLayoutData(gd);
viewer.setLabelProvider(new ComponentLabelProvider(getEditor(), Messages));
IEMFListProperty prop = EMFEditProperties.list(getEditingDomain(), UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN);
viewer.setInput(prop.observeDetail(master));
Composite buttonComp = new Composite(parent, SWT.NONE);
buttonComp.setLayoutData(new GridData(GridData.FILL, GridData.END, false, false));
GridLayout gl = new GridLayout(2, false);
gl.marginLeft = 0;
gl.marginRight = 0;
gl.marginWidth = 0;
gl.marginHeight = 0;
buttonComp.setLayout(gl);
Button b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.ModelTooling_Common_Up);
b.setImage(createImage(ResourceProvider.IMG_Obj16_arrow_up));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false, 2, 1));
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!viewer.getSelection().isEmpty()) {
IStructuredSelection s = (IStructuredSelection) viewer.getSelection();
if (s.size() == 1) {
Object obj = s.getFirstElement();
MElementContainer<?> container = (MElementContainer<?>) getMaster().getValue();
int idx = container.getChildren().indexOf(obj) - 1;
if (idx >= 0) {
if (Util.moveElementByIndex(getEditingDomain(), (MUIElement) obj, getEditor().isLiveModel(), idx)) {
viewer.setSelection(new StructuredSelection(obj));
}
}
}
}
}
});
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.ModelTooling_Common_Down);
b.setImage(createImage(ResourceProvider.IMG_Obj16_arrow_down));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false, 2, 1));
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!viewer.getSelection().isEmpty()) {
IStructuredSelection s = (IStructuredSelection) viewer.getSelection();
if (s.size() == 1) {
Object obj = s.getFirstElement();
MElementContainer<?> container = (MElementContainer<?>) getMaster().getValue();
int idx = container.getChildren().indexOf(obj) + 1;
if (idx < container.getChildren().size()) {
if (Util.moveElementByIndex(getEditingDomain(), (MUIElement) obj, getEditor().isLiveModel(), idx)) {
viewer.setSelection(new StructuredSelection(obj));
}
}
}
}
}
});
final ComboViewer childrenDropDown = new ComboViewer(buttonComp);
childrenDropDown.getControl().setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
childrenDropDown.setContentProvider(new ArrayContentProvider());
childrenDropDown.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
Struct struct = (Struct) element;
return struct.label;
}
});
Struct defaultStruct = new Struct(Messages.ToolBarEditor_HandledToolItem, MenuPackageImpl.Literals.HANDLED_TOOL_ITEM, false);
childrenDropDown.setInput(new Struct[] { defaultStruct, new Struct(Messages.ToolBarEditor_DirectToolItem, MenuPackageImpl.Literals.DIRECT_TOOL_ITEM, false), new Struct(Messages.ToolBarEditor_ToolControl, MenuPackageImpl.Literals.TOOL_CONTROL, false), new Struct(Messages.ToolBarEditor_Separator, MenuPackageImpl.Literals.TOOL_BAR_SEPARATOR, true) });
childrenDropDown.setSelection(new StructuredSelection(defaultStruct));
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setImage(createImage(ResourceProvider.IMG_Obj16_table_add));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, false, false));
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!childrenDropDown.getSelection().isEmpty()) {
Struct struct = (Struct) ((IStructuredSelection) childrenDropDown.getSelection()).getFirstElement();
EClass eClass = struct.eClass;
handleAddChild(eClass, struct.separator);
}
}
});
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.ModelTooling_Common_Remove);
b.setImage(createImage(ResourceProvider.IMG_Obj16_table_delete));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false, 2, 1));
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!viewer.getSelection().isEmpty()) {
List<?> keybinding = ((IStructuredSelection) viewer.getSelection()).toList();
Command cmd = RemoveCommand.create(getEditingDomain(), getMaster().getValue(), UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN, keybinding);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
}
}
}
});
}
ControlFactory.createCheckBox(parent, "To Be Rendered", getMaster(), context, WidgetProperties.selection(), EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__TO_BE_RENDERED)); //$NON-NLS-1$
ControlFactory.createCheckBox(parent, "Visible", getMaster(), context, WidgetProperties.selection(), EMFEditProperties.value(getEditingDomain(), UiPackageImpl.Literals.UI_ELEMENT__VISIBLE)); //$NON-NLS-1$
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);
folder.setSelection(0);
return folder;
}
@Override
public IObservableList getChildList(Object element) {
return ELEMENT_CONTAINER__CHILDREN.observe(element);
}
@Override
public String getDetailLabel(Object element) {
return null;
}
@Override
public FeaturePath[] getLabelProperties() {
return new FeaturePath[] { FeaturePath.fromList(UiPackageImpl.Literals.UI_ELEMENT__TO_BE_RENDERED) };
}
@Override
public List<Action> getActions(Object element) {
ArrayList<Action> l = new ArrayList<Action>(super.getActions(element));
l.addAll(actions);
return l;
}
protected void handleAddChild(EClass eClass, boolean separator) {
MToolBarElement eObject = (MToolBarElement) EcoreUtil.create(eClass);
setElementId(eObject);
Command cmd = AddCommand.create(getEditingDomain(), getMaster().getValue(), UiPackageImpl.Literals.ELEMENT_CONTAINER__CHILDREN, eObject);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
if (!separator) {
getEditor().setSelection(eObject);
}
}
}
}