NewNodeWizardPage.java

/*
 * 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.sling.ide.eclipse.ui.wizards;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.dialogs.IDialogPage;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

public class NewNodeWizardPage extends WizardPage {
	//private Text containerText;

	private Text fileText;

	private ISelection selection;

	/**
	 * Constructor for SampleNewWizardPage.
	 * 
	 * @param pageName
	 */
	public NewNodeWizardPage(ISelection selection) {
		super("wizardPage");
        setTitle("Add a new Node");
        setDescription("Create a new node under the current selection");
		this.selection = selection;
	}

	/**
	 * @see IDialogPage#createControl(Composite)
	 */
	public void createControl(Composite parent) {
		Composite container = new Composite(parent, SWT.NULL);
		GridLayout layout = new GridLayout();
		container.setLayout(layout);
		layout.numColumns = 3;
		layout.verticalSpacing = 9;
//		Label label = new Label(container, SWT.NULL);
//		label.setText("&Container:");
//
//		containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
//		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
//		containerText.setLayoutData(gd);
//		containerText.addModifyListener(new ModifyListener() {
//			public void modifyText(ModifyEvent e) {
//				dialogChanged();
//			}
//		});
//
//		Button button = new Button(container, SWT.PUSH);
//		button.setText("Browse...");
//		button.addSelectionListener(new SelectionAdapter() {
//			public void widgetSelected(SelectionEvent e) {
//				handleBrowse();
//			}
//		});
		Label label = new Label(container, SWT.NULL);
		label.setText("Node name:");

		fileText = new Text(container, SWT.BORDER | SWT.SINGLE);
		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
		fileText.setLayoutData(gd);
		fileText.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				dialogChanged();
			}
		});
		initialize();
		dialogChanged();
		setControl(container);
	}

	/**
	 * Tests if the current workbench selection is a suitable container to use.
	 */

	private void initialize() {
		if (selection != null && selection.isEmpty() == false
				&& selection instanceof IStructuredSelection) {
			IStructuredSelection ssel = (IStructuredSelection) selection;
			if (ssel.size() > 1)
				return;
			Object obj = ssel.getFirstElement();
			if (obj instanceof IResource) {
				IContainer container;
				if (obj instanceof IContainer)
					container = (IContainer) obj;
				else
					container = ((IResource) obj).getParent();
//				containerText.setText(container.getFullPath().toString());
			}
		}
//		fileText.setText("new_file.mpe");
	}

	/**
	 * Uses the standard container selection dialog to choose the new value for
	 * the container field.
	 */

//	private void handleBrowse() {
//		ContainerSelectionDialog dialog = new ContainerSelectionDialog(
//				getShell(), ResourcesPlugin.getWorkspace().getRoot(), false,
//				"Select new file container");
//		if (dialog.open() == ContainerSelectionDialog.OK) {
//			Object[] result = dialog.getResult();
//			if (result.length == 1) {
//				containerText.setText(((Path) result[0]).toString());
//			}
//		}
//	}

	/**
	 * Ensures that both text fields are set.
	 */

	private void dialogChanged() {
//		IResource container = ResourcesPlugin.getWorkspace().getRoot()
//				.findMember(new Path(getContainerName()));
//		String fileName = getFileName();
//
//		if (getContainerName().length() == 0) {
//			updateStatus("File container must be specified");
//			return;
//		}
//		if (container == null
//				|| (container.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) {
//			updateStatus("File container must exist");
//			return;
//		}
//		if (!container.isAccessible()) {
//			updateStatus("Project must be writable");
//			return;
//		}
//		if (fileName.length() == 0) {
//			updateStatus("File name must be specified");
//			return;
//		}
//		if (fileName.replace('\\', '/').indexOf('/', 1) > 0) {
//			updateStatus("File name must be valid");
//			return;
//		}
//		int dotLoc = fileName.lastIndexOf('.');
//		if (dotLoc != -1) {
//			String ext = fileName.substring(dotLoc + 1);
//			if (ext.equalsIgnoreCase("mpe") == false) {
//				updateStatus("File extension must be \"mpe\"");
//				return;
//			}
//		}
		if (fileText.getText().length()==0) {
			updateStatus("Name must not be empty");
			return;
		}
		updateStatus(null);
	}

	private void updateStatus(String message) {
		setErrorMessage(message);
		setPageComplete(message == null);
	}

//	public String getContainerName() {
//		return containerText.getText();
//	}

	public String getFileName() {
		return fileText.getText();
	}
}