diff options
Diffstat (limited to 'plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.common/src/org/eclipse/papyrus/uml/diagram/common/dialogs/CreateOrShowExistingLinkDialog.java')
| -rw-r--r-- | plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.common/src/org/eclipse/papyrus/uml/diagram/common/dialogs/CreateOrShowExistingLinkDialog.java | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.common/src/org/eclipse/papyrus/uml/diagram/common/dialogs/CreateOrShowExistingLinkDialog.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.common/src/org/eclipse/papyrus/uml/diagram/common/dialogs/CreateOrShowExistingLinkDialog.java new file mode 100644 index 00000000000..8c30250ef25 --- /dev/null +++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.common/src/org/eclipse/papyrus/uml/diagram/common/dialogs/CreateOrShowExistingLinkDialog.java @@ -0,0 +1,346 @@ +/*****************************************************************************
+ * Copyright (c) 2013 CEA LIST.
+ *
+ *
+ * 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:
+ * Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.uml.diagram.common.dialogs;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ArrayContentProvider;
+import org.eclipse.jface.viewers.CellEditor;
+import org.eclipse.jface.viewers.CheckboxCellEditor;
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.EditingSupport;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TableViewerColumn;
+import org.eclipse.jface.viewers.ViewerColumn;
+import org.eclipse.papyrus.infra.widgets.Activator;
+import org.eclipse.papyrus.uml.diagram.common.messages.Messages;
+import org.eclipse.papyrus.uml.diagram.common.util.EdgeEndsMapper;
+import org.eclipse.papyrus.uml.tools.providers.UMLLabelProvider;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+
+
+
+/**
+ * This dialog is used to ask to the user if he wants create a new instance of a link, or show an existing link on the diagram
+ *
+ * @author VL222926
+ *
+ */
+public class CreateOrShowExistingLinkDialog extends MessageDialog {
+
+ /**
+ * indexes of the button
+ */
+ public static final int CREATE = Dialog.OK;
+
+ public static final int RESTORE_SELECTED_LINK = CREATE + 1;
+
+ public static final int CANCEL = RESTORE_SELECTED_LINK + 1;
+
+ /**
+ * title for the dialog
+ */
+ public static final String DIALOG_TITLE = Messages.CreateOrShowExistingLinkDialog_ShowOrCreate;
+
+ /**
+ * Message for the Buttons
+ */
+ private static final String CREATE_STRING = Messages.CreateOrShowExistingLinkDialog_Create;
+
+ private static final String RESTORE_SELECTION = Messages.CreateOrShowExistingLinkDialog_RestoreSelection;
+
+ private static final String CANCEL_STRING = "Cancel"; //$NON-NLS-1$
+
+
+ /**
+ * Titles for the columns
+ */
+ private static final String NAME = Messages.CreateOrShowExistingLinkDialog_Name;
+
+ private static final String ENDS = Messages.CreateOrShowExistingLinkDialog_Ends;
+
+ private static final String SOURCES = Messages.CreateOrShowExistingLinkDialog_Sources;
+
+ private static final String TARGETS = Messages.CreateOrShowExistingLinkDialog_Targets;
+
+ /**
+ * Size for the columns
+ */
+ private static final int COLUMN_NAME_SIZE = 150;
+
+ private static final int COLUMN_SIZE = 200;
+
+ /**
+ * the list of the elements to display in the Table
+ */
+ private final List<EdgeEndsMapper> existingLinks;
+
+ //FIXME : move the label provider!
+ final UMLLabelProvider labelProvider = new UMLLabelProvider();
+
+ /**
+ * the string displayed when there is no value to display
+ */
+ private static final String NOT_AVAILABLE = "N/A"; //$NON-NLS-1$
+
+ /**
+ * the image to display when the link is selected
+ */
+ private static final String CHECKED_ICON_PATH = "/icons/checkedRadioButton.gif"; //$NON-NLS-1$
+
+ /**
+ * the image to display when the link is not selected
+ */
+ private static final String UNCHECKED_ICON_PATH = "/icons/uncheckedRadioButton.gif"; //$NON-NLS-1$
+
+ /**
+ * the index of the selected element
+ */
+ private int selectedElementIndex = 0;
+
+ /**
+ * the selected element
+ */
+ private EObject result = null;
+
+ /**
+ *
+ * Constructor.
+ *
+ * @param dialogTitle
+ * the title for the dialog
+ * @param dialogMessage
+ * the message for the dialog
+ * @param elements
+ * the list of the possible elements
+ */
+ public CreateOrShowExistingLinkDialog(final String dialogTitle, final String dialogMessage, final List<EdgeEndsMapper> elements) {
+ super(Display.getDefault().getActiveShell(), dialogTitle, null, dialogMessage, MessageDialog.QUESTION, new String[]{ CREATE_STRING, RESTORE_SELECTION, CANCEL_STRING }, RESTORE_SELECTED_LINK);
+ this.existingLinks = elements;
+ }
+
+ /**
+ * Constructor.
+ *
+ * @param title
+ * @param bound
+ * @param viewer
+ * @return
+ */
+ private TableViewerColumn createTableViewerColumn(String title, int bound, TableViewer viewer) {
+ final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
+ final TableColumn column = viewerColumn.getColumn();
+ column.setText(title);
+ column.setWidth(bound);
+ column.setResizable(false);
+ column.setMoveable(false);
+ return viewerColumn;
+ }
+
+ /**
+ *
+ * @see org.eclipse.jface.dialogs.MessageDialog#createCustomArea(org.eclipse.swt.widgets.Composite)
+ *
+ * @param parent
+ * @return
+ */
+ @Override
+ protected Control createCustomArea(final Composite parent) {
+ final Composite composite = parent;
+ final TableViewer viewer = new TableViewer(composite, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
+ viewer.setContentProvider(new ArrayContentProvider());
+ final Table table = viewer.getTable();
+ table.setHeaderVisible(true);
+
+ ViewerColumn colCheckbox = createTableViewerColumn("", 20, viewer); //$NON-NLS-1$
+ colCheckbox.setLabelProvider(new ColumnLabelProvider() {
+
+ @Override
+ public String getText(Object element) {
+ return ""; //$NON-NLS-1$
+ }
+
+ @Override
+ public Image getImage(Object element) {
+ if(existingLinks.get(selectedElementIndex) == element) {
+ return Activator.getDefault().getImage(org.eclipse.papyrus.uml.diagram.common.Activator.ID, CHECKED_ICON_PATH);
+ }
+ return Activator.getDefault().getImage(org.eclipse.papyrus.uml.diagram.common.Activator.ID, UNCHECKED_ICON_PATH);
+ }
+
+ });
+ colCheckbox.setEditingSupport(new EditingSupport(viewer) {
+
+ private CheckboxCellEditor checkboxCellEditor;
+
+ @Override
+ protected void setValue(Object element, Object value) {
+ if(checkboxCellEditor.getValue() == Boolean.TRUE) {
+ selectedElementIndex = existingLinks.indexOf(element);
+ }
+ for(final EdgeEndsMapper current : existingLinks) {
+ viewer.update(current, null);
+ }
+ }
+
+ @Override
+ protected Object getValue(Object element) {
+ return existingLinks.get(selectedElementIndex) == element;
+ }
+
+ @Override
+ protected CellEditor getCellEditor(Object element) {
+ checkboxCellEditor = new CheckboxCellEditor(parent, SWT.CHECK | SWT.READ_ONLY);
+ return checkboxCellEditor;
+ }
+
+ @Override
+ protected boolean canEdit(Object element) {
+ return true;
+ }
+ });
+ TableViewerColumn columnName = createTableViewerColumn(NAME, COLUMN_NAME_SIZE, viewer);
+ configureColumn(columnName);
+ columnName.setLabelProvider(new ColumnLabelProvider() {
+
+ @Override
+ public String getText(Object element) {
+ if(element instanceof EdgeEndsMapper) {
+ return labelProvider.getText(((EdgeEndsMapper)element).getLink());
+ }
+ //not possible
+ return NOT_AVAILABLE;
+ }
+
+ @Override
+ public Image getImage(Object element) {
+ return null;
+ }
+
+
+ });
+
+ TableViewerColumn columnEnds = createTableViewerColumn(ENDS, COLUMN_SIZE, viewer);
+ configureColumn(columnEnds);
+ columnEnds.setLabelProvider(new ColumnLabelProvider() {
+
+ @Override
+ public String getText(Object element) {
+ if(element instanceof EdgeEndsMapper) {
+ return getLabel(((EdgeEndsMapper)element).getEnds());
+ }
+ return NOT_AVAILABLE;
+ }
+ });
+
+
+ TableViewerColumn columnSources = createTableViewerColumn(SOURCES, COLUMN_SIZE, viewer);
+ configureColumn(columnSources);
+ columnSources.setLabelProvider(new ColumnLabelProvider() {
+
+ @Override
+ public String getText(Object element) {
+ if(element instanceof EdgeEndsMapper) {
+ return getLabel(((EdgeEndsMapper)element).getSources());
+ }
+ return NOT_AVAILABLE;
+ }
+ });
+
+ TableViewerColumn columnTargets = createTableViewerColumn(TARGETS, COLUMN_SIZE, viewer);
+ configureColumn(columnTargets);
+ columnTargets.setLabelProvider(new ColumnLabelProvider() {
+
+ @Override
+ public String getText(Object element) {
+ if(element instanceof EdgeEndsMapper) {
+ return getLabel(((EdgeEndsMapper)element).getTargets());
+ }
+ return NOT_AVAILABLE;
+ }
+ });
+
+ GridData gridData = new GridData();
+ gridData.verticalAlignment = GridData.FILL;
+ gridData.horizontalSpan = 2;
+ gridData.grabExcessHorizontalSpace = true;
+ gridData.grabExcessVerticalSpace = true;
+ gridData.horizontalAlignment = GridData.FILL;
+ viewer.getControl().setLayoutData(gridData);
+ viewer.setInput(existingLinks);
+ parent.pack();
+ return parent;
+ }
+
+ @Override
+ protected void buttonPressed(int buttonId) {
+ if(buttonId == RESTORE_SELECTED_LINK && this.existingLinks.size() >= this.selectedElementIndex) {
+ this.result = this.existingLinks.get(this.selectedElementIndex).getLink();
+ }
+ super.buttonPressed(buttonId);
+ }
+
+ /**
+ *
+ * @param viewerColumn
+ * the viewerColumn to configure
+ */
+ protected void configureColumn(final TableViewerColumn viewerColumn) {
+ viewerColumn.getColumn().setMoveable(true);
+ viewerColumn.getColumn().setResizable(true);
+ }
+
+ /**
+ *
+ * @param list
+ * the list of the elements for which we want the label
+ * @return
+ * the string to display for this list
+ */
+ private String getLabel(final Collection<?> list) {
+ if(list != null) {
+ final StringBuilder builder = new StringBuilder();
+ final Iterator<?> iter = list.iterator();
+ while(iter.hasNext()) {
+ builder.append(labelProvider.getText(iter.next()));
+ if(iter.hasNext()) {
+ builder.append(","); //$NON-NLS-1$
+ }
+ }
+ return builder.toString();
+ }
+ return NOT_AVAILABLE;
+ }
+
+ /**
+ *
+ * @return
+ * the selected link
+ */
+ public EObject getResult() {
+ return this.result;
+ }
+}
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