org.apache.directory.studio.schemaeditor.controller.ProblemsViewController.java Source code

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Here is the source code for org.apache.directory.studio.schemaeditor.controller.ProblemsViewController.java

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 * 
 */
package org.apache.directory.studio.schemaeditor.controller;

import org.apache.directory.api.ldap.model.schema.AttributeType;
import org.apache.directory.api.ldap.model.schema.MutableObjectClass;
import org.apache.directory.api.ldap.model.schema.ObjectClass;
import org.apache.directory.api.ldap.model.schema.SchemaObject;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.PluginUtils;
import org.apache.directory.studio.schemaeditor.model.schemachecker.SchemaCheckerListener;
import org.apache.directory.studio.schemaeditor.view.ViewUtils;
import org.apache.directory.studio.schemaeditor.view.editors.attributetype.AttributeTypeEditor;
import org.apache.directory.studio.schemaeditor.view.editors.attributetype.AttributeTypeEditorInput;
import org.apache.directory.studio.schemaeditor.view.editors.objectclass.ObjectClassEditor;
import org.apache.directory.studio.schemaeditor.view.editors.objectclass.ObjectClassEditorInput;
import org.apache.directory.studio.schemaeditor.view.views.ProblemsView;
import org.apache.directory.studio.schemaeditor.view.widget.Folder;
import org.apache.directory.studio.schemaeditor.view.wrappers.SchemaErrorWrapper;
import org.apache.directory.studio.schemaeditor.view.wrappers.SchemaWarningWrapper;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;

/**
 * This class implements the Controller for the ProblemsView.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 */
public class ProblemsViewController {
    /** The associated view */
    private ProblemsView view;

    /** The SchemaCheckerListener */
    private SchemaCheckerListener schemaCheckerListener = new SchemaCheckerListener() {
        public void schemaCheckerUpdated() {
            Display.getDefault().asyncExec(new Runnable() {
                public void run() {
                    view.reloadViewer();
                }
            });
        }
    };

    /**
     * Creates a new instance of SchemasViewController.
     *
     * @param view
     *      the associated view
     */
    public ProblemsViewController(ProblemsView view) {
        this.view = view;

        // SchemaCheckerListener
        Activator.getDefault().getSchemaChecker().addListener(schemaCheckerListener);

        initDoubleClickListener();
    }

    /**
     * Initializes the DoubleClickListener.
     */
    private void initDoubleClickListener() {
        view.getViewer().addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();

                TreeViewer viewer = view.getViewer();

                // What we get from the treeViewer is a StructuredSelection
                StructuredSelection selection = (StructuredSelection) event.getSelection();

                // Here's the real object (an AttributeTypeWrapper, ObjectClassWrapper or IntermediateNode)
                Object objectSelection = selection.getFirstElement();
                IEditorInput input = null;
                String editorId = null;

                // Selecting the right editor and input
                if (objectSelection instanceof SchemaErrorWrapper) {
                    SchemaObject object = ((SchemaErrorWrapper) objectSelection).getLdapSchemaException()
                            .getSourceObject();

                    if (object instanceof AttributeType) {
                        input = new AttributeTypeEditorInput(
                                Activator.getDefault().getSchemaHandler().getAttributeType(object.getOid()));
                        editorId = AttributeTypeEditor.ID;
                    } else if (object instanceof ObjectClass) {
                        input = new ObjectClassEditorInput(
                                Activator.getDefault().getSchemaHandler().getObjectClass(object.getOid()));
                        editorId = ObjectClassEditor.ID;
                    }
                } else if (objectSelection instanceof SchemaWarningWrapper) {
                    SchemaObject object = ((SchemaWarningWrapper) objectSelection).getSchemaWarning().getSource();

                    if (object instanceof AttributeType) {
                        input = new AttributeTypeEditorInput((AttributeType) object);
                        editorId = AttributeTypeEditor.ID;
                    } else if (object instanceof ObjectClass) {
                        input = new ObjectClassEditorInput((MutableObjectClass) object);
                        editorId = ObjectClassEditor.ID;
                    }
                } else if ((objectSelection instanceof Folder)) {
                    // Here we don't open an editor, we just expand the node.
                    viewer.setExpandedState(objectSelection, !viewer.getExpandedState(objectSelection));
                }

                // Let's open the editor
                if (input != null) {
                    try {
                        page.openEditor(input, editorId);
                    } catch (PartInitException e) {
                        PluginUtils.logError(Messages.getString("ProblemsViewController.ErrorOpeningEditor"), e); //$NON-NLS-1$
                        ViewUtils.displayErrorMessageDialog(Messages.getString("ProblemsViewController.Error"), //$NON-NLS-1$
                                Messages.getString("ProblemsViewController.ErrorOpeningEditor")); //$NON-NLS-1$
                    }
                }
            }
        });
    }

    /**
     * Disposes the listeners.
     */
    public void dispose() {
        // SchemaCheckerListener
        Activator.getDefault().getSchemaChecker().removeListener(schemaCheckerListener);
    }
}