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/*******************************************************************************
* Copyright (c) 2012 TESIS DYNAware GmbH 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:
* Torsten Sommer <torsten.sommer@tesis.de> - initial API and implementation
*******************************************************************************/
package org.eclipse.fx.ecp;
import java.util.LinkedList;
import java.util.List;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Point2D;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ContextMenu;
import javafx.scene.control.MenuItem;
import javafx.scene.control.ScrollPane;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Priority;
import javafx.stage.Window;
import javafx.util.Duration;
import javax.inject.Inject;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.fx.ecp.ui.ECPModelElementOpener;
import org.eclipse.fx.ecp.ui.ECPUtil;
import org.eclipse.fx.ecp.ui.ModelElementEditor;
import org.eclipse.fx.ecp.ui.controls.BreadcrumbBar;
import org.eclipse.fx.ecp.ui.form.DefaultModelElementForm;
import org.eclipse.fx.ecp.ui.form.ModelElementForm;
public class ModelEditorPart2 implements ModelElementEditor {
private final ScrollPane scrollPane;
private EObject modelElement;
// TODO change this to weak references
private final LinkedList<EObject> prevModelElements = new LinkedList<>();
private final LinkedList<EObject> nextModelElements = new LinkedList<>();
private final Button forwardButton;
private final Button backButton;
private final BreadcrumbBar breadcrumbBar;
private final ContextMenu contextMenu = new ContextMenu();
private Timeline contextMenuTimeline;
private DefaultModelElementForm modelElementForm;
private final ECPModelElementOpener modelElementOpener;
@Inject
public ModelEditorPart2(BorderPane parent, final MApplication application, MPart part, ECPModelElementOpener modelElementOpener) {
this.modelElementOpener = modelElementOpener;
scrollPane = new ScrollPane();
parent.setCenter(scrollPane);
scrollPane.setFitToWidth(true);
scrollPane.getStyleClass().add("my-scroll-pane");
HBox hBox = new HBox();
parent.setTop(hBox);
backButton = new Button();
hBox.getChildren().add(backButton);
backButton.getStyleClass().add("back-button");
org.eclipse.fx.ecp.ui.ECPUtil.addMark(backButton, "arrow");
backButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
nextModelElements.push(modelElement);
modelElement = prevModelElements.pop();
if (contextMenuTimeline != null)
contextMenuTimeline.stop();
if (contextMenu != null)
contextMenu.hide();
updateControls();
}
});
backButton.setOnMousePressed(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent arg0) {
contextMenuTimeline = new Timeline(new KeyFrame(Duration.millis(250), new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
showContextMenu(backButton, true);
}
}));
contextMenuTimeline.play();
}
});
forwardButton = new Button();
hBox.getChildren().add(forwardButton);
forwardButton.getStyleClass().add("forward-button");
org.eclipse.fx.ecp.ui.ECPUtil.addMark(forwardButton, "arrow");
// why is this not working?
// forwardButton.disabledProperty().isEqualTo(nextModelElements.emptyProperty());
forwardButton.setOnMousePressed(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent arg0) {
contextMenuTimeline = new Timeline(new KeyFrame(Duration.millis(250), new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
showContextMenu(backButton, false);
}
}));
contextMenuTimeline.play();
}
});
forwardButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
prevModelElements.push(modelElement);
modelElement = nextModelElements.pop();
if (contextMenuTimeline != null)
contextMenuTimeline.stop();
if (contextMenu != null)
contextMenu.hide();
updateControls();
}
});
breadcrumbBar = new BreadcrumbBar();
HBox.setHgrow(breadcrumbBar, Priority.ALWAYS);
hBox.getChildren().add(breadcrumbBar);
final Button moreButton = new Button();
hBox.getChildren().add(moreButton);
moreButton.getStyleClass().addAll("more-button");
ECPUtil.addMark(moreButton, "lines");
moreButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
ContextMenu contextMenu2 = new ContextMenu();
MenuItem menuItem = new MenuItem("Validate");
contextMenu2.getItems().add(menuItem);
menuItem.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
// validate();
}
});
ECPUtil.showContextMenu(contextMenu2, moreButton);
}
});
}
public void setInput(EObject modelElement) {
if (modelElement != null)
prevModelElements.push(modelElement);
this.modelElement = modelElement;
nextModelElements.clear();
updateControls();
}
void updateControls() {
backButton.setDisable(prevModelElements.isEmpty());
forwardButton.setDisable(nextModelElements.isEmpty());
breadcrumbBar.setModelElement(modelElement);
if (modelElementForm != null)
modelElementForm.dispose();
// TODO: add null check
EditingDomain editingDomain = AdapterFactoryEditingDomain.getEditingDomainFor(modelElement);
modelElementForm = (DefaultModelElementForm) ModelElementForm.Factory.Registry.INSTANCE.getFactory(modelElement)
.createModelElementForm(modelElement, editingDomain, modelElementOpener);
scrollPane.setContent(modelElementForm);
}
public void showContextMenu(Node node, boolean back) {
contextMenu.getItems().clear();
List<EObject> modelElements = back ? prevModelElements : nextModelElements;
for (int i = 0; i < modelElements.size(); i++) {
final int j = back ? -i - 1 : i + 1;
EObject modelElement = modelElements.get(i);
String text = org.eclipse.fx.ecp.ui.ECPUtil.getText(modelElement);
Node graphic = org.eclipse.fx.ecp.ui.ECPUtil.getGraphic(modelElement);
MenuItem menuItem = new MenuItem(text, graphic);
contextMenu.getItems().add(menuItem);
menuItem.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
go(j);
}
});
}
Point2D position = node.localToScene(0.0, 0.0);
Scene scene = node.getScene();
Window window = scene.getWindow();
double x = position.getX() + scene.getX() + window.getX();
double y = position.getY() + scene.getY() + window.getY() + node.getLayoutBounds().getHeight() + 5;
contextMenu.show(node, x, y);
}
/**
* Go back and forward in history
*/
private void go(int position) {
while (position < 0) {
nextModelElements.push(modelElement);
modelElement = prevModelElements.pop();
position++;
}
while (position > 0) {
prevModelElements.push(modelElement);
modelElement = nextModelElements.pop();
position--;
}
updateControls();
}
}
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