+/*******************************************************************************\r
+ * Copyright (c) 2013 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * Semantum Oy - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.modeling;\r
+\r
+import java.util.Map;\r
+\r
+import org.eclipse.core.runtime.Status;\r
+import org.eclipse.jface.dialogs.IDialogSettings;\r
+import org.eclipse.jface.layout.GridDataFactory;\r
+import org.eclipse.jface.layout.GridLayoutFactory;\r
+import org.eclipse.jface.resource.ImageDescriptor;\r
+import org.eclipse.jface.viewers.StructuredSelection;\r
+import org.eclipse.swt.SWT;\r
+import org.eclipse.swt.events.ModifyEvent;\r
+import org.eclipse.swt.events.ModifyListener;\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.swt.widgets.Control;\r
+import org.eclipse.swt.widgets.Label;\r
+import org.eclipse.swt.widgets.Shell;\r
+import org.eclipse.swt.widgets.Text;\r
+import org.eclipse.ui.PlatformUI;\r
+import org.simantics.Simantics;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.UniqueRead;\r
+import org.simantics.db.common.uri.UnescapedChildMapOfResource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.ui.workbench.dialogs.ResourceSelectionDialog3;\r
+import org.simantics.utils.datastructures.Pair;\r
+\r
+public class CreateSharedOntologyDialog extends ResourceSelectionDialog3<Resource> {\r
+\r
+ private String name;\r
+ private Text t;\r
+\r
+ public CreateSharedOntologyDialog(Shell shell,\r
+ Map<Resource, Pair<String, ImageDescriptor>> parameter, String title) {\r
+ super(shell, parameter, title);\r
+ this.name = "";\r
+ }\r
+\r
+ @Override\r
+ protected IDialogSettings getBaseDialogSettings() {\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ protected Control createExtendedContentArea(Composite parent) {\r
+ Composite c = new Composite(parent, SWT.NONE);\r
+ GridDataFactory.fillDefaults().grab(true, false).applyTo(c);\r
+ GridLayoutFactory.swtDefaults().numColumns(2).applyTo(c);\r
+ Label l = new Label(c, SWT.NONE); \r
+ l.setText("Enter URI for the shared library: http://");\r
+ GridDataFactory.fillDefaults().grab(false, false).applyTo(l);\r
+ t = new Text(c, SWT.BORDER);\r
+ t.addModifyListener(new ModifyListener() {\r
+ @Override\r
+ public void modifyText(ModifyEvent e) {\r
+ name = t.getText();\r
+ validatePage();\r
+ }\r
+ });\r
+ GridDataFactory.fillDefaults().grab(true, false).applyTo(t);\r
+ validatePage();\r
+ return super.createExtendedContentArea(parent);\r
+ }\r
+\r
+ @Override\r
+ public void create() {\r
+ super.create();\r
+ t.setFocus();\r
+ }\r
+ \r
+ @Override\r
+ protected void handleSelected(StructuredSelection selection) {\r
+ super.handleSelected(selection);\r
+ validatePage(); \r
+ }\r
+\r
+ protected void validatePage() {\r
+ StructuredSelection selection = getSelectedItems();\r
+ String error = validateName(name);\r
+ if (error != null) {\r
+ updateStatus(new Status(Status.ERROR, PlatformUI.PLUGIN_ID, error));\r
+ } else if (selection.isEmpty()) {\r
+ updateStatus(new Status(Status.ERROR, PlatformUI.PLUGIN_ID, "No Library selected"));\r
+ } else {\r
+ // Validate that the name is not in use.\r
+ Resource library = (Resource) selection.getFirstElement();\r
+ try {\r
+ Map<String, Resource> children = Simantics.sync(new UnescapedChildMapOfResource(library));\r
+ if (children.containsKey(name)) {\r
+ updateStatus(new Status(Status.ERROR, PlatformUI.PLUGIN_ID, "Name is already in use."));\r
+ } else {\r
+ updateStatus(new Status(Status.OK, PlatformUI.PLUGIN_ID, ""));\r
+ }\r
+ } catch (DatabaseException e) {\r
+ updateStatus(new Status(Status.ERROR, PlatformUI.PLUGIN_ID, "Failed to check validity of name. See error log.", e));\r
+ }\r
+ }\r
+ }\r
+\r
+ protected String validateName(final String name) {\r
+ \r
+ try {\r
+ boolean inUse = Simantics.sync(new UniqueRead<Boolean>() {\r
+\r
+ @Override\r
+ public Boolean perform(ReadGraph graph) throws DatabaseException {\r
+ Resource r = graph.getPossibleResource("http://" + name + "@A");\r
+ return r != null;\r
+ }\r
+ \r
+ });\r
+ if(inUse) return "Shared Library exists already";\r
+ } catch (DatabaseException e) {\r
+ return e.getMessage();\r
+ }\r
+ \r
+ if (name.trim().isEmpty())\r
+ return "Name cannot be empty";\r
+ if (name.startsWith("."))\r
+ return "Name cannot begin with a dot";\r
+ if (name.startsWith("/"))\r
+ return "Name cannot begin with a slash";\r
+ if (name.contains("//"))\r
+ return "Successive slashes are not allowed";\r
+ if (name.endsWith("/"))\r
+ return "Name cannot end with slash";\r
+ return null;\r
+ }\r
+\r
+ public String getName() {\r
+ return name;\r
+ }\r
+\r
+}
\ No newline at end of file