org.eclipse.osbp.runtime.web.ecview.presentation.vaadin/src/org/eclipse/osbp/runtime/web/ecview/presentation/vaadin/internal/TreePresentation.java - osbp/org.eclipse.osbp.runtime.web - Git at Google

 /**
  * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *         Florian Pirchner - Initial implementation
  */
 package org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal;

 import java.util.HashSet;
 import java.util.Locale;
 import java.util.Set;

 import org.eclipse.core.databinding.observable.IObservable;
 import org.eclipse.core.databinding.observable.list.IObservableList;
 import org.eclipse.core.databinding.observable.value.IObservableValue;
 import org.eclipse.emf.databinding.EMFProperties;
 import org.eclipse.osbp.ecview.core.common.editpart.IElementEditpart;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableBindingEndpoint;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableCollectionEndpoint;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableMultiSelectionEndpoint;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableSelectionEndpoint;
 import org.eclipse.osbp.ecview.core.databinding.emf.model.ECViewModelBindable;
 import org.eclipse.osbp.ecview.core.extension.model.extension.ExtensionModelPackage;
 import org.eclipse.osbp.ecview.core.extension.model.extension.YSelectionType;
 import org.eclipse.osbp.ecview.core.extension.model.extension.YTree;
 import org.eclipse.osbp.ecview.core.ui.core.editparts.extension.ITreeEditpart;
 import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractFieldWidgetPresenter;
 import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal.util.Util;

 import com.vaadin.data.util.ObjectProperty;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.ComponentContainer;
 import com.vaadin.ui.Field;
 import com.vaadin.ui.Tree;

 // TODO: Auto-generated Javadoc
 /**
  * This presenter is responsible to render a tree on the given layout.
  */
 @SuppressWarnings("restriction")
 public class TreePresentation extends AbstractFieldWidgetPresenter<Component> {

 	/** The model access. */
 	private final ModelAccess modelAccess;

 	/** The tree. */
 	private Tree tree;

 	/** The property. */
 	private ObjectProperty<?> property;

 	/**
 	 * Constructor.
 	 *
 	 * @param editpart
 	 *            The editpart of that presenter
 	 */
 	public TreePresentation(IElementEditpart editpart) {
 		super((ITreeEditpart) editpart);
 		this.modelAccess = new ModelAccess((YTree) editpart.getModel());
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	@SuppressWarnings({ "unchecked", "rawtypes" })
 	@Override
 	public Component doCreateWidget(Object parent) {
 		if (tree == null) {

 			tree = new Tree();
 			tree.addStyleName(CSS_CLASS_CONTROL);
 			tree.setMultiSelect(modelAccess.yField.getSelectionType() == YSelectionType.MULTI);
 			tree.setImmediate(true);
 			setupComponent(tree, getCastedModel());

 			associateWidget(tree, modelAccess.yField);
 			if (modelAccess.isCssIdValid()) {
 				tree.setId(modelAccess.getCssID());
 			} else {
 				tree.setId(getEditpart().getId());
 			}

 			if (tree.isMultiSelect()) {
 				property = new ObjectProperty(new HashSet(), Set.class);
 			} else {
 				property = new ObjectProperty(null,
 						modelAccess.yField.getType());
 			}
 			tree.setPropertyDataSource(property);

 			// creates the binding for the field
 			createBindings(modelAccess.yField, tree);

 			if (modelAccess.isCssClassValid()) {
 				tree.addStyleName(modelAccess.getCssClass());
 			}

 			applyCaptions();

 			initializeField(tree);
 		}
 		return tree;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractVaadinWidgetPresenter#doUpdateLocale(java.util.Locale)
 	 */
 	@Override
 	protected void doUpdateLocale(Locale locale) {
 		// no need to set the locale to the ui elements. Is handled by vaadin
 		// internally.

 		// update the captions
 		applyCaptions();
 	}

 	/**
 	 * Applies the labels to the widgets.
 	 */
 	protected void applyCaptions() {
 		Util.applyCaptions(getI18nService(), modelAccess.getLabel(),
 				modelAccess.getLabelI18nKey(), getLocale(), tree);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractFieldWidgetPresenter#doGetField()
 	 */
 	@Override
 	protected Field<?> doGetField() {
 		return tree;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractVaadinWidgetPresenter#internalGetObservableEndpoint(org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableBindingEndpoint)
 	 */
 	@Override
 	protected IObservable internalGetObservableEndpoint(
 			YEmbeddableBindingEndpoint bindableValue) {
 		if (bindableValue == null) {
 			throw new IllegalArgumentException(
 					"BindableValue must not be null!");
 		}

 		if (bindableValue instanceof YEmbeddableCollectionEndpoint) {
 			return internalGetCollectionEndpoint();
 		} else if (bindableValue instanceof YEmbeddableSelectionEndpoint) {
 			return internalGetSelectionEndpoint((YEmbeddableSelectionEndpoint) bindableValue);
 		} else if (bindableValue instanceof YEmbeddableMultiSelectionEndpoint) {
 			return internalGetMultiSelectionEndpoint();
 		}
 		throw new IllegalArgumentException("Not a valid input: "
 				+ bindableValue);
 	}

 	/**
 	 * Returns the observable to observe the collection.
 	 *
 	 * @return the i observable list
 	 */
 	protected IObservableList internalGetCollectionEndpoint() {
 		// return the observable value for text
 		return EMFProperties.list(
 				ExtensionModelPackage.Literals.YTREE__COLLECTION).observe(
 				getModel());
 	}

 	/**
 	 * Returns the observable to observe the selection.
 	 *
 	 * @return the i observable list
 	 */
 	protected IObservableList internalGetMultiSelectionEndpoint() {
 		// return the observable value for text
 		return EMFProperties.list(
 				ExtensionModelPackage.Literals.YTREE__MULTI_SELECTION).observe(
 				getModel());
 	}

 	/**
 	 * Returns the observable to observe the selection.
 	 *
 	 * @param yEndpoint
 	 *            the y endpoint
 	 * @return the i observable value
 	 */
 	protected IObservableValue internalGetSelectionEndpoint(
 			YEmbeddableSelectionEndpoint yEndpoint) {

 		String attributePath = ECViewModelBindable.getAttributePath(
 				ExtensionModelPackage.Literals.YTREE__SELECTION,
 				yEndpoint.getAttributePath());

 		// return the observable value for text
 		return ECViewModelBindable.observeValue(castEObject(getModel()),
 				attributePath, modelAccess.yField.getType(),
 				modelAccess.yField.getEmfNsURI());
 	}

 	/**
 	 * Creates the bindings for the given values.
 	 *
 	 * @param yField
 	 *            the y field
 	 * @param field
 	 *            the field
 	 */
 	protected void createBindings(YTree yField, Tree field) {
 		// create the model binding from ridget to ECView-model
 		registerBinding(createBindings_ContainerContents(
 				castEObject(getModel()),
 				ExtensionModelPackage.Literals.YTREE__COLLECTION, field,
 				yField.getType()));

 		// create the model binding from ridget to ECView-model
 		if (modelAccess.yField.getSelectionType() == YSelectionType.MULTI) {
 			// create the model binding from ridget to ECView-model
 			registerBinding(createBindingsMultiSelection(
 					castEObject(getModel()),
 					ExtensionModelPackage.Literals.YTREE__MULTI_SELECTION,
 					field, yField.getType()));
 		} else {
 			// create the model binding from ridget to ECView-model
 			registerBinding(createBindingsSelection(castEObject(getModel()),
 					ExtensionModelPackage.Literals.YTREE__SELECTION, field,
 					yField.getType()));

 		}

 		super.createBindings(yField, field, null);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#getWidget()
 	 */
 	@Override
 	public Component getWidget() {
 		return tree;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#isRendered()
 	 */
 	@Override
 	public boolean isRendered() {
 		return tree != null;
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
 	public void doUnrender() {
 		if (tree != null) {

 			// unbind all active bindings
 			unbind();

 			Component parent = ((Component) tree.getParent());
 			if (parent != null && parent instanceof ComponentContainer) {
 				((ComponentContainer) parent).removeComponent(tree);
 			}

 			// remove assocations
 			unassociateWidget(tree);

 			tree = null;
 		}
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
 	protected void internalDispose() {
 		try {
 			unrender();
 		} finally {
 			super.internalDispose();
 		}
 	}

 	/**
 	 * A helper class.
 	 */
 	private static class ModelAccess {

 		/** The y field. */
 		private final YTree yField;

 		/**
 		 * Instantiates a new model access.
 		 *
 		 * @param yField
 		 *            the y field
 		 */
 		public ModelAccess(YTree yField) {
 			super();
 			this.yField = yField;
 		}

 		/**
 		 * Gets the css class.
 		 *
 		 * @return the css class
 		 * @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssClass()
 		 */
 		public String getCssClass() {
 			return yField.getCssClass();
 		}

 		/**
 		 * Returns true, if the css class is not null and not empty.
 		 *
 		 * @return true, if is css class valid
 		 */
 		public boolean isCssClassValid() {
 			return getCssClass() != null && !getCssClass().equals("");
 		}

 		/**
 		 * Gets the css id.
 		 *
 		 * @return the css id
 		 * @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssID()
 		 */
 		public String getCssID() {
 			return yField.getCssID();
 		}

 		/**
 		 * Returns true, if the css id is not null and not empty.
 		 *
 		 * @return true, if is css id valid
 		 */
 		public boolean isCssIdValid() {
 			return getCssID() != null && !getCssID().equals("");
 		}

 		/**
 		 * Returns the label.
 		 *
 		 * @return the label
 		 */
 		public String getLabel() {
 			return yField.getDatadescription() != null ? yField
 					.getDatadescription().getLabel() : null;
 		}

 		/**
 		 * Returns the label.
 		 *
 		 * @return the label i18n key
 		 */
 		public String getLabelI18nKey() {
 			return yField.getDatadescription() != null ? yField
 					.getDatadescription().getLabelI18nKey() : null;
 		}
 	}
 }
	/**
	* Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Florian Pirchner - Initial implementation
	*/
	package org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal;

	import java.util.HashSet;
	import java.util.Locale;
	import java.util.Set;

	import org.eclipse.core.databinding.observable.IObservable;
	import org.eclipse.core.databinding.observable.list.IObservableList;
	import org.eclipse.core.databinding.observable.value.IObservableValue;
	import org.eclipse.emf.databinding.EMFProperties;
	import org.eclipse.osbp.ecview.core.common.editpart.IElementEditpart;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableBindingEndpoint;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableCollectionEndpoint;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableMultiSelectionEndpoint;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableSelectionEndpoint;
	import org.eclipse.osbp.ecview.core.databinding.emf.model.ECViewModelBindable;
	import org.eclipse.osbp.ecview.core.extension.model.extension.ExtensionModelPackage;
	import org.eclipse.osbp.ecview.core.extension.model.extension.YSelectionType;
	import org.eclipse.osbp.ecview.core.extension.model.extension.YTree;
	import org.eclipse.osbp.ecview.core.ui.core.editparts.extension.ITreeEditpart;
	import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractFieldWidgetPresenter;
	import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal.util.Util;

	import com.vaadin.data.util.ObjectProperty;
	import com.vaadin.ui.Component;
	import com.vaadin.ui.ComponentContainer;
	import com.vaadin.ui.Field;
	import com.vaadin.ui.Tree;

	// TODO: Auto-generated Javadoc
	/**
	* This presenter is responsible to render a tree on the given layout.
	*/
	@SuppressWarnings("restriction")
	public class TreePresentation extends AbstractFieldWidgetPresenter<Component> {

	/** The model access. */
	private final ModelAccess modelAccess;

	/** The tree. */
	private Tree tree;

	/** The property. */
	private ObjectProperty<?> property;

	/**
	* Constructor.
	*
	* @param editpart
	* The editpart of that presenter
	*/
	public TreePresentation(IElementEditpart editpart) {
	super((ITreeEditpart) editpart);
	this.modelAccess = new ModelAccess((YTree) editpart.getModel());
	}

	/**
	* {@inheritDoc}
	*/
	@SuppressWarnings({ "unchecked", "rawtypes" })
	@Override
	public Component doCreateWidget(Object parent) {
	if (tree == null) {

	tree = new Tree();
	tree.addStyleName(CSS_CLASS_CONTROL);
	tree.setMultiSelect(modelAccess.yField.getSelectionType() == YSelectionType.MULTI);
	tree.setImmediate(true);
	setupComponent(tree, getCastedModel());

	associateWidget(tree, modelAccess.yField);
	if (modelAccess.isCssIdValid()) {
	tree.setId(modelAccess.getCssID());
	} else {
	tree.setId(getEditpart().getId());
	}

	if (tree.isMultiSelect()) {
	property = new ObjectProperty(new HashSet(), Set.class);
	} else {
	property = new ObjectProperty(null,
	modelAccess.yField.getType());
	}
	tree.setPropertyDataSource(property);

	// creates the binding for the field
	createBindings(modelAccess.yField, tree);

	if (modelAccess.isCssClassValid()) {
	tree.addStyleName(modelAccess.getCssClass());
	}

	applyCaptions();

	initializeField(tree);
	}
	return tree;
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractVaadinWidgetPresenter#doUpdateLocale(java.util.Locale)
	*/
	@Override
	protected void doUpdateLocale(Locale locale) {
	// no need to set the locale to the ui elements. Is handled by vaadin
	// internally.

	// update the captions
	applyCaptions();
	}

	/**
	* Applies the labels to the widgets.
	*/
	protected void applyCaptions() {
	Util.applyCaptions(getI18nService(), modelAccess.getLabel(),
	modelAccess.getLabelI18nKey(), getLocale(), tree);
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractFieldWidgetPresenter#doGetField()
	*/
	@Override
	protected Field<?> doGetField() {
	return tree;
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractVaadinWidgetPresenter#internalGetObservableEndpoint(org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableBindingEndpoint)
	*/
	@Override
	protected IObservable internalGetObservableEndpoint(
	YEmbeddableBindingEndpoint bindableValue) {
	if (bindableValue == null) {
	throw new IllegalArgumentException(
	"BindableValue must not be null!");
	}

	if (bindableValue instanceof YEmbeddableCollectionEndpoint) {
	return internalGetCollectionEndpoint();
	} else if (bindableValue instanceof YEmbeddableSelectionEndpoint) {
	return internalGetSelectionEndpoint((YEmbeddableSelectionEndpoint) bindableValue);
	} else if (bindableValue instanceof YEmbeddableMultiSelectionEndpoint) {
	return internalGetMultiSelectionEndpoint();
	}
	throw new IllegalArgumentException("Not a valid input: "
	+ bindableValue);
	}

	/**
	* Returns the observable to observe the collection.
	*
	* @return the i observable list
	*/
	protected IObservableList internalGetCollectionEndpoint() {
	// return the observable value for text
	return EMFProperties.list(
	ExtensionModelPackage.Literals.YTREE__COLLECTION).observe(
	getModel());
	}

	/**
	* Returns the observable to observe the selection.
	*
	* @return the i observable list
	*/
	protected IObservableList internalGetMultiSelectionEndpoint() {
	// return the observable value for text
	return EMFProperties.list(
	ExtensionModelPackage.Literals.YTREE__MULTI_SELECTION).observe(
	getModel());
	}

	/**
	* Returns the observable to observe the selection.
	*
	* @param yEndpoint
	* the y endpoint
	* @return the i observable value
	*/
	protected IObservableValue internalGetSelectionEndpoint(
	YEmbeddableSelectionEndpoint yEndpoint) {

	String attributePath = ECViewModelBindable.getAttributePath(
	ExtensionModelPackage.Literals.YTREE__SELECTION,
	yEndpoint.getAttributePath());

	// return the observable value for text
	return ECViewModelBindable.observeValue(castEObject(getModel()),
	attributePath, modelAccess.yField.getType(),
	modelAccess.yField.getEmfNsURI());
	}

	/**
	* Creates the bindings for the given values.
	*
	* @param yField
	* the y field
	* @param field
	* the field
	*/
	protected void createBindings(YTree yField, Tree field) {
	// create the model binding from ridget to ECView-model
	registerBinding(createBindings_ContainerContents(
	castEObject(getModel()),
	ExtensionModelPackage.Literals.YTREE__COLLECTION, field,
	yField.getType()));

	// create the model binding from ridget to ECView-model
	if (modelAccess.yField.getSelectionType() == YSelectionType.MULTI) {
	// create the model binding from ridget to ECView-model
	registerBinding(createBindingsMultiSelection(
	castEObject(getModel()),
	ExtensionModelPackage.Literals.YTREE__MULTI_SELECTION,
	field, yField.getType()));
	} else {
	// create the model binding from ridget to ECView-model
	registerBinding(createBindingsSelection(castEObject(getModel()),
	ExtensionModelPackage.Literals.YTREE__SELECTION, field,
	yField.getType()));

	}

	super.createBindings(yField, field, null);
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#getWidget()
	*/
	@Override
	public Component getWidget() {
	return tree;
	}

	/* (non-Javadoc)
	* @see org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#isRendered()
	*/
	@Override
	public boolean isRendered() {
	return tree != null;
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void doUnrender() {
	if (tree != null) {

	// unbind all active bindings
	unbind();

	Component parent = ((Component) tree.getParent());
	if (parent != null && parent instanceof ComponentContainer) {
	((ComponentContainer) parent).removeComponent(tree);
	}

	// remove assocations
	unassociateWidget(tree);

	tree = null;
	}
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	protected void internalDispose() {
	try {
	unrender();
	} finally {
	super.internalDispose();
	}
	}

	/**
	* A helper class.
	*/
	private static class ModelAccess {

	/** The y field. */
	private final YTree yField;

	/**
	* Instantiates a new model access.
	*
	* @param yField
	* the y field
	*/
	public ModelAccess(YTree yField) {
	super();
	this.yField = yField;
	}

	/**
	* Gets the css class.
	*
	* @return the css class
	* @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssClass()
	*/
	public String getCssClass() {
	return yField.getCssClass();
	}

	/**
	* Returns true, if the css class is not null and not empty.
	*
	* @return true, if is css class valid
	*/
	public boolean isCssClassValid() {
	return getCssClass() != null && !getCssClass().equals("");
	}

	/**
	* Gets the css id.
	*
	* @return the css id
	* @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssID()
	*/
	public String getCssID() {
	return yField.getCssID();
	}

	/**
	* Returns true, if the css id is not null and not empty.
	*
	* @return true, if is css id valid
	*/
	public boolean isCssIdValid() {
	return getCssID() != null && !getCssID().equals("");
	}

	/**
	* Returns the label.
	*
	* @return the label
	*/
	public String getLabel() {
	return yField.getDatadescription() != null ? yField
	.getDatadescription().getLabel() : null;
	}

	/**
	* Returns the label.
	*
	* @return the label i18n key
	*/
	public String getLabelI18nKey() {
	return yField.getDatadescription() != null ? yField
	.getDatadescription().getLabelI18nKey() : null;
	}
	}
	}